gcc/ChangeLog

   1 2007-05-12  Richard Guenther  <rguenther@suse.de>
   2
   3         PR tree-optimization/31797
   4         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
   5         propagate into a stmt that has volatile ops.
   6
   7 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
   8
   9         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
  10         (gcc_tooldir): Likewise.
  11         * configure: Regenerate.
  12         * Makefile.in (libsubdir_to_prefix): New variable, based on the
  13         old configure.ac gcc_tooldir setting.
  14         (prefix_to_exec_prefix): New variable.
  15         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
  16         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
  17
  18 2007-05-11  Silvius Rus  <rus@google.com>
  19
  20         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
  21         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
  22         * c-common.h (strict_aliasing_warning): Change return type.
  23         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
  24         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
  25         (build_c_cast): Condition call to strict_aliasing_warning.
  26         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
  27         * flags.h (set_Wstrict_aliasing): Declare.
  28         * opts.c (set_Wstrict_alising): Define, add call to.
  29         * tree-flow.h (strict_aliasing_warning_backend): Declare.
  30         * tree-ssa-alias-warnings.c: New file.
  31         * tree-ssa-alias.c (compute_may_aliases): Add call to
  32         strict_aliasing_warning_backend.
  33
  34 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
  35
  36         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
  37         Use loop_depth and loop_outer accessor functions.
  38         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
  39         determine_invariantness_stmt, move_computations_stmt): Ditto.
  40         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
  41         add_loop, loopify, unloop, fix_loop_structure): Ditto.
  42         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
  43         * tree-scalar-evolution.c (interpret_loop_phi,
  44         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
  45         instantiate_parameters_1, scev_const_prop): Ditto.
  46         * cfghooks.c (make_forwarder_block): Ditto.
  47         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
  48         * modulo-sched.c (loop_canon_p): Ditto.
  49         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
  50         slpeel_can_duplicate_loop_p): Ditto.
  51         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
  52         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
  53         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
  54         cancel_loop, verify_loop_structure): Ditto.
  55         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
  56         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
  57         superloops vector instead of "pred" array.
  58         (establish_preds): Take father loop as an argument.  Initialize the
  59         superloops vector.
  60         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
  61         initialize loop->outer.
  62         (flow_loop_tree_node_remove): Truncate the superloops vector.
  63         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
  64         "pred" merged to "superloops" vector.
  65         (loop_depth, loop_outer): New.
  66         (fel_init): Use loop_outer.
  67
  68 2007-05-11  Jan Hubicka  <jh@suse.cz>
  69
  70         * cgraphunit.c: Include gt-cgraphunit.h
  71         (static_ctors, static_dtors): New static vars.
  72         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
  73         based on implementation in c-common.c
  74         (cgraph_finalize_function): Call record_cdtor_fn.
  75         (cgraph_optimize): Call cgraph_build_cdtor_fns.
  76         * decl.c (finish_function): Do not call c_record_cdtor_fn.
  77         (c_write_global_declarations): Do not call c_build_cdtor_fns.
  78         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
  79         build_cdtor, c_build_cdtor_fns): Remove.
  80         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
  81         c_build_cdtor_fns): Remove prototype.
  82
  83 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
  84
  85         PR other/31852
  86         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
  87         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
  88         * builtins.c (fold_builtin_memchr): New.
  89         (expand_builtin_memchr): Call the latter.
  90         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
  91         * doc/extend.texi ([Other built-in functions provided by GCC]):
  92         Document memchr.
  93
  94 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
  95
  96         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
  97         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
  98         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
  99         PFPO_OP1_TYPE_SHIFT): Constants added.
 100         (DFP_ALL): Mode macro defined.
 101         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
 102         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
 103         Insn definitions added.
 104         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
 105         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
 106         Expanders added.
 107
 108 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
 109
 110         PR tree-optimization/31885
 111         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
 112         to be undetermined.
 113         (automatically_generated_chrec_p): Return false for NULL.
 114
 115 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 116
 117         * config/bfin/bfin.h (MOVE_RATIO): Define.
 118
 119 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
 120
 121         * config.gcc (sparc-wrs-vxworks): New target.
 122         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
 123         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
 124         * config/sparc/sparc.h: Include vxworks-dummy.h.
 125         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
 126         include LABEL_REFs too.
 127         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
 128         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
 129         VxWorks.
 130         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
 131         on VxWorks.
 132         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
 133         (sparc_emit_call_insn): New function.
 134         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
 135         functions when generating VxWorks PIC.
 136         * config/sparc/sparc.md (vxworks_load_got): New pattern.
 137         (call, call_value): Use sparc_emit_call_insn instead of
 138         emit_call_insn.
 139
 140 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 141
 142         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
 143
 144 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 145
 146         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
 147         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
 148         instead of operand_subword.
 149
 150 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 151
 152         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
 153         * config/bfin/bfin.c (bfin_local_alignment): New function.
 154         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
 155
 156 2007-05-08  Chao-ying Fu  <fu@mips.com>
 157
 158         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
 159         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
 160         (smsub_widen_optab, umsub_widen_optab): Define.
 161         * optabs.c (init_optabs): Initialize smsub_widen_optab and
 162         umsub_widen_optab.
 163         * genopinit.c (optabs): Fill in smsub_widen_optab and
 164         umsub_widen_optab.
 165         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
 166         and umsub_widen_optab to implement multiply-subtract sequences.
 167         * config/mips/mips.md (*msac<u>_di): Rename to...
 168         (<u>msubsidi4): ...this.  Extend condition to include
 169         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 170         of operand 0 to "ka" and use the three-operand form of msub<u>
 171         for TARGET_DSPR2.
 172         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
 173         to define_expands.
 174
 175 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
 176
 177         PR rtl-optimization/28011
 178         * reload.c (push_reload): Set dont_share if IN appears in OUT
 179         also when IN is a PLUS rtx.
 180         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
 181         are same PLUS rtx.
 182
 183 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
 184
 185         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
 186         call unshare_all_decls.
 187         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
 188         (unshare_all_decls): Remove.
 189
 190 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
 191
 192         PR 31847
 193         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
 194         dumps.
 195
 196 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
 197             Nigel Stephens  <nigel@mips.com>
 198
 199         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
 200         Update comments and all uses.
 201         (MIN_FPRS_PER_FMT): Define.
 202         * config/mips/mips.c (function_arg): Fix to correctly handle
 203         the -mips32r2 -mfp64 -mabi=32 case.
 204         (override_options): Enable use of odd-numbered registers for
 205         SFmode values on MIPS32.
 206         (mips_save_reg_p): Save whole floating-point register pair if
 207         either half is used.
 208         (compute_frame_size): Fix comment.
 209
 210 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
 211
 212         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
 213         argument of type bool.
 214         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
 215         argument. Safely select temporary P register according to it.
 216         (do_link): Change call site of add_to_reg accordingly.
 217         (do_unlink): Add epilogue_p as a fourth argument and pass it
 218         to add_to_reg.
 219         (expand_interrupt_handler_epilogue): Change call of do_unlink
 220         accordingly.
 221         (bfin_expand_prologue): Add a third argument sibcall_p.
 222         * config/bfin/bfin.md (epilogue): Change call of
 223         bfin_expand_epilogue accordingly.
 224         (sibcall_epilogue): Likewise.
 225         (eh_return_internal): Likewise.
 226
 227         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
 228         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
 229         * config/bfin/bfin.c (bfin_handle_option): Handle
 230         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
 231         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
 232         Support bf534, bf536 and bf561.
 233         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
 234
 235 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
 236
 237         PR target/31854
 238         * config/i386/i386.c (ix86_function_regparm): Process local
 239         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
 240
 241 2007-05-07  Mike Stump  <mrs@apple.com>
 242
 243         * doc/invoke.texi (Warning Options): Document that -Wempty-body
 244         also checks for and while statements in C++.
 245
 246 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
 247
 248         * gcc.c (at_file_supplied): New variable.
 249         (main): Set it if we expanded argv.
 250         (do_spec_1): Pass an @-file to the linker if we were called with
 251         an @-file argument and HAVE_GNU_LD.
 252         * collect2.c (at_file_supplied): New variable.
 253         (response_file): New variable.
 254         (collect_exit): Unlink response_file if necessary.
 255         (handler): Likewise.
 256         (do_wait): Likewise.
 257         (main): Set at_file_supplied if we expanded argv.
 258         (collect_execute): Pass an @-file to subprocesses if we were called
 259         with an @-file argument.
 260         * configure.ac: Add define for HAVE_GNU_LD.
 261         * configure: Regenerate.
 262         * config.in: Regenerate.
 263
 264 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
 265
 266         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
 267         operand to HI mode.
 268         (mulsi3): New.
 269         (divsi3): New.
 270         (udivsi3): New.
 271
 272 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
 273
 274         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 275         (TARGET_ENCODE_SECTION_INFO): Re-define.
 276         (m32c_encode_section_info): New
 277         (function_vector_handler): New
 278         (current_function_special_page_vector): New
 279         (m32c_special_page_vector_p): New.
 280         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
 281         Prototype.
 282         * config/m32c/jump.md: Added instruction JSRS for functions
 283         with attribute "function_vector".
 284         * doc/extend.texi (function_vector): Added description
 285         for M16C, M32C targets.
 286
 287 2007-05-07  DJ Delorie  <dj@redhat.com>
 288
 289         PR 31794
 290         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
 291         ashrpsi3, lshrpsi3): Update shift count constraint.
 292
 293 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
 294             Nathan Froyd  <froydnj@codesourcery.com>
 295
 296         PR 22133
 297         * c-incpath.c (add_path): Strip trailing path separators.
 298
 299 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
 300
 301         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
 302         Free dominance info before purging EH edges.
 303         (eliminate_degenerate_phis): Likewise.
 304         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
 305
 306 2007-05-07  Jan Hubicka  <jh@suse.cz>
 307
 308         * gimplify.c (gimplify_expr): Do not crash when folding
 309         (void *)(int)&a + 4.
 310
 311 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 312
 313         PR driver/31694
 314         * c-opts.c (lang_fortran): Make it non static.
 315         * c-common.h (lang_fortran): New prototype.
 316         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
 317         -lang-fortran option was passed by the driver.
 318
 319 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
 320
 321         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
 322         of ASSERT_CHECKING.  Tweak message.
 323
 324 2007-05-06  Revital Eres  <eres@il.ibm.com>
 325
 326         PR 30957
 327         * loop-unroll.c (insert_var_expansion_initialization):
 328         Initialize the expansions with -zero instead of +zero.
 329
 330 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
 331
 332         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
 333         into pic and non-pic versions. Mark r19 as used for
 334         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
 335         for tgd_load, tld_load and tie_load .
 336         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
 337         version of tgd_load, tld_load and tie_load depending on the
 338         value of flag_pic.
 339
 340 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
 341             Jakub Jelinek  <jakub@redhat.com>
 342
 343         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
 344         (__do_global_dtors_aux): Use more paranoid loop to run
 345         destructors if HIDDEN_DTOR_LIST_END.
 346         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
 347
 348 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
 349
 350         * varasm.c (align_variable): Don't increase alignment for
 351         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
 352         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
 353
 354 2007-05-04  Josh Conner  <jconner@apple.com>
 355
 356         * basic-block.h (cdi_direction): Assign values to all enumeration
 357         constants.
 358         (dom_computed): Remove.
 359         (dom_info_state): New.
 360         (set_dom_info_availability): New.
 361         * tree-ssa-loop-im.c (determine_invariantness): Initialize
 362         walk_data.dom_direction.
 363         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
 364         instead of dom_computed[].
 365         (split_edge): Likewise.
 366         (create_basic_block): Likewise.
 367         (merge_blocks): Likewise.
 368         * ifcvt.c (find_if_header): Likewise.
 369         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
 370         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
 371         * tree-ssa.c (verify_ssa): Likewise.
 372         * tree-cfg.c (tree_verify_flow_info): Likewise.
 373         (remove_edge_and_dominated_blocks): Likewise.
 374         * dominance.c (dom_computed): Make static.
 375         (calc_dfs_tree_nonrec): Change third param to a bool.
 376         (calc_dfs_tree): Change second param to a bool.
 377         (calc_idioms): Change second param to a bool.  Use
 378         dom_convert_dir_to_idx.
 379         (init_dom_info): Validate dir before using.
 380         (dom_convert_dir_to_idx): New.
 381         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
 382         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
 383         (free_dominance_info): Use dom_convert_dir_to_idx.
 384         (get_immediate_dominator): Likewise.
 385         (set_immediate_dominator): Likewise.
 386         (get_dominated_by): Likewise.
 387         (redirect_immediate_dominators): Likewise.
 388         (nearest_common_denominator): Likewise.
 389         (dominated_by_p): Likewise.
 390         (bb_dom_dfs_in): Likewise.
 391         (bb_dom_dfs_out): Likewise.
 392         (recount_dominator): Likewise.
 393         (iterate_fix_dominators): Likewise.
 394         (add_to_dominance_info): Likewise.
 395         (delete_from_dominance_info): Likewise.
 396         (first_dom_son): Likewise.
 397         (next_dom_son): Likewise.
 398         (dom_info_available_p): Likewise.
 399         (dom_info_state): New.
 400         (set_dom_info_availability): New.
 401
 402 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 403
 404         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
 405         Expander removed.
 406         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
 407
 408 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
 409
 410         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
 411         (subdi3, subdi_carry): Delete.
 412
 413 2007-05-04  Jan Hubicka  <jh@suse.cz>
 414             Richard Guenther  <rguenther@suse.de>
 415
 416         * opts.c (decode_options): Do not fiddle with inlining
 417         parameters in case of optimizing for size.
 418         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
 419         for size do nothing.
 420         (cgraph_decide_inlining_of_small_function): When optimizing for
 421         size never inline functions increasing caller size.
 422         (cgraph_early_inlining): Inline for size when optimizing for size.
 423
 424 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 425
 426         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
 427         logical operations piecewise.
 428         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
 429         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
 430         subdi_sesidi_di): Delete.
 431         (add_with_carry): Produce carry in CC instead of a DREG to shorten
 432         the generated sequence.  Allow three-reg add in constraints.  Rewrite
 433         the rtl expression for carry to avoid zero_extend of a constant.
 434         (sub_with_carry): New pattern.
 435         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
 436         different sequence not involving jumps.
 437         (notbi): Now a named pattern.
 438
 439 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
 440
 441         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
 442         Add the note about a significant loss of accuracy of some
 443         mathematical routines when these options are used.
 444
 445 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 446
 447         * haifa-sched.c (rtx_vec_t): New typedef.
 448         (contributes_to_priority_p): Extract piece of priority () into new
 449         static function.
 450         (priority): Use the function.  Add assertion.
 451         (rank_for_schedule, set_priorities): Add assertion to check that
 452         insn's priority is initialized.
 453         (clear_priorities, calc_priorities): Change signature.  Make it update
 454         all relevant insns.  Update all callers ('add_to_speculative_block ()'
 455         and 'create_block_check_twin ()').
 456         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
 457         Add new field 'priority_status'.
 458         (INSN_PRIORITY_STATUS): New macro.
 459         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
 460
 461 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 462
 463         * sched-ebb.c (debug_ebb_dependencies): New static function.
 464         (init_ready_list): Use it.
 465
 466         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
 467         with changed signature and 'debug_rgn_dependencies ()'.
 468         (debug_rgn_dependencies): New static function.
 469         (init_ready_list): Use it.
 470
 471         * sched-int.h (debug_dependencies): Declare.
 472
 473 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 474
 475         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
 476
 477 2007-05-04  Dirk Mueller  <dmueller@suse.de>
 478
 479         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
 480
 481 2007-05-03  Jan Hubicka  <jh@suse.cz>
 482
 483         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
 484         for pointer type in more cases than before.
 485
 486         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
 487
 488         * tree-object-size.c (plus_expr_object_size): When operand size is
 489         unknown, return unknown.
 490
 491 2007-05-03  Dirk Mueller  <dmueller@suse.de>
 492
 493         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
 494
 495         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
 496         options.
 497
 498         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
 499
 500 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
 501
 502         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
 503
 504 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
 505
 506         * config/soft-fp/double.h, config/soft-fp/extended.h,
 507         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
 508         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
 509         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
 510         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
 511         glibc CVS.
 512
 513 2007-05-03  Ian Lance Taylor  <iant@google.com>
 514
 515         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 516         MASK_PPC_GFXOPT for 8540 or 8548.
 517
 518 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 519
 520         * tree-vect-transform.c (vect_update_inits_of_drs): Use
 521         vect_print_dump_info() to output debug information.
 522
 523 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 524
 525         PR target/31768
 526         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
 527         operands of size 2 when operand is not MEM_P.
 528
 529 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 530
 531         PR tree-optimization/30565
 532         * lambda-code.c (perfect_nestify): Fix updating of dominators.
 533
 534 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
 535
 536         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
 537         (umulsi3_highpart): Use them.
 538         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
 539         for final accumulator to D regisster tranfser.
 540
 541 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
 542
 543         PR tree-optimization/31699
 544         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
 545         code.
 546         (vect_enhance_data_refs_alignment): Compute peel amount using
 547         TYPE_VECTOR_SUBPARTS instead of vf.
 548         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
 549
 550 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
 551
 552         PR bootstrap/31776
 553         * system.h: Remove inclusion of double-int.h
 554         * tree.h: Include double-int.h
 555         * gengtype.c: Likewise
 556         * cfgloop.h: Likewise
 557         * Makefile.in: Adjust dependencies on double-int.h
 558
 559 2007-05-02  Eric Christopher  <echristo@apple.com>
 560
 561         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
 562         -shared to -Zdynamiclib.
 563
 564 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
 565
 566         PR c++/31663
 567         * c-common.c (strip_pointer_or_array_types): New function.
 568         * c-common.h (strip_pointer_or_array_types): New function declaration.
 569
 570 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 571
 572         PR tree-optimization/31771
 573         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
 574
 575 2007-05-02  Paul Brook  <paul@codesourcery.com>
 576
 577         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
 578
 579 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 580
 581         PR middle-end/29715
 582         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
 583         transformation.
 584
 585 2007-05-02  Nick Clifton  <nickc@redhat.com>
 586
 587         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
 588
 589 2007-05-02  Richard Guenther  <rguenther@suse.de>
 590
 591         PR tree-optimization/31146
 592         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
 593         argument, single_use_p.  If we have a single use that is
 594         a conversion to the definition rhs type, propagate that rhs.
 595         (forward_propagate_addr_expr): Pass single_use_p argument
 596         to forward_propagate_addr_expr_1.
 597
 598 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 599
 600         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
 601         variable.
 602
 603 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 604
 605         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
 606         'AMD Family 10 core'.
 607
 608 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 609
 610         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
 611         and athlon64-sse3 as improved versions of k8, opteron and athlon64
 612         with SSE3 instruction set support.
 613         * doc/invoke.texi: Likewise.
 614
 615 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 616
 617         * config/i386/i386.c (override_options): Tuning 32-byte loop
 618         alignment for amdfam10 architecture. Increasing the max loop
 619         alignment to 24 bytes.
 620
 621 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
 622
 623         * config/m68k/constraints.md: New.
 624         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
 625         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
 626         EXTRA_CONSTRAINT): Remove.
 627         * config/m68k/m68k.md: Include constraints.md.
 628         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
 629
 630 2007-05-01  Ian Lance Taylor  <iant@google.com>
 631
 632         PR tree-optimization/31739
 633         * tree-vrp.c (vrp_val_is_max): New static function.
 634         (vrp_val_is_min): New static function.
 635         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
 636         copying the node.
 637         (set_value_range): Use vrp_val_is_{max,min}.
 638         (extract_range_from_assert): Likewise.
 639         (extract_range_from_binary_expr): Likewise.
 640         (extract_range_from_unary_expr): Likewise.
 641         (dump_value_range, vrp_meet): Likewise.
 642         (vrp_visit_phi_node): Likewise.
 643         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
 644
 645 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
 646
 647         * config/i386/gmon-sol2.c (size_t): New type.
 648         (intptr_t): Likewise.
 649         (s_textsize): Declare as size_t.
 650         (sbrk): Declare.
 651         (monstartup): Use size_t for sizes.
 652         (_mcount): Save and restore registers.
 653         (internal_mcount): Pass 0 as the first argument to monstartup
 654         in 64-bit mode.
 655         (moncontrol): Convert pointer to appropriately sized integer
 656         before passing to profil.
 657
 658 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 659
 660         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 661         __NO_FPRS__, not just if _SOFT_DOUBLE.
 662         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 663         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 664         also for E500 double.
 665         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 666         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 667         && !TARGET_FPRS).
 668
 669 2007-05-01  Richard Guenther  <rguenther@suse.de>
 670
 671         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 672         is NULL.
 673
 674 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 675
 676         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 677
 678 2007-05-01  Jan Hubicka  <jh@suse.cz>
 679
 680         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 681         invariant.
 682
 683 2007-05-01  Jan Hubicka  <jh@suse.cz>
 684
 685         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 686         (maybe_fold_offset_to_reference): Declare.
 687         * fold-const.c (fold_unary): Do not fold
 688         (type *)&A into &A->field_of_type_and_offset_0
 689         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 690         size is unknown, give up.
 691         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 692         offsets.
 693         (maybe_fold_offset_to_reference): New.
 694         (maybe_fold_stmt_indirect): Use it.
 695         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 696         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 697         field references.
 698         (gimplify_expr): Likewise for plus_expr.
 699
 700 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 701
 702         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 703         bsi_after_labels.  Always insert statements before bsi.
 704         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 705         * predict.c (apply_return_prediction): Check for empty blocks.
 706         * cfgexpand.c (lab_rtx_for_bb): New variable.
 707         (label_rtx_for_bb): Do not create new tree labels.
 708         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 709         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 710         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 711         creating edges.
 712         (label_for_bb): Add field used.
 713         (update_eh_label, main_block_label): Mark the label used.
 714         (cleanup_dead_labels): Remove unused labels.
 715
 716 2007-05-01  Richard Guenther  <rguenther@suse.de>
 717
 718         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 719         if it is not about to be set.
 720         (get_value_range): Do not pre-allocate equiv bitmap.
 721         (update_value_range): No need to clear equiv field.
 722         (add_equivalence): Change prototype to get bitmap pointer.
 723         Allocate bitmap here if it is not already.
 724         (extract_range_from_assert): Do not allocate bitmap here.
 725         Update callers to add_equivalence.
 726         (extract_range_from_ssa_name): Likewise.
 727         (get_vr_for_comparison): New static helper.
 728         (compare_name_with_value): Handle NULL equiv bitmap by
 729         peeling the first iteration of the comparison loop.
 730         Use get_vr_for_comparison.
 731         (compare_names): Handle NULL equiv bitmaps by using fake
 732         ones.  Use get_vr_for_comparison.
 733
 734 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 735
 736         * double-int.c (mpz_set_double_int): Moved from
 737         tree-ssa-loop-niter.c.
 738         (mpz_get_double_int): Likewise; also, add option to wrap
 739         out-of-range integers.
 740         * double-int.h: New prototypes for above.
 741         * tree.c (get_static_type_bounds): Moved from
 742         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 743         TYPE_MAX_VALUE if they exist..
 744         * tree.h: New prototype for above.
 745         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 746         get_type_bounds calls.
 747         (mpz_set_double_int): Move to double-int.c.
 748         (get_type_bounds): Move to tree.c, rename to
 749         get_static_type_bounds.
 750         (mpz_to_double_int): Move to double-int.c, rename to
 751         mpz_get_double_int.
 752
 753 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
 754
 755         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
 756         DIV0 exception can fall through to a normal return.
 757
 758 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 759
 760         PR middle-end/22156
 761         Temporarily revert:
 762         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 763         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 764         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 765         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 766         initialize align to silence bogus warning.
 767         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 768         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 769         all_no_warning.
 770         (struct sra_walk_fns): Remove use_all parameter from use.
 771         (sra_hash_tree): Handle BIT_FIELD_REFs.
 772         (sra_elt_hash): Don't hash bitfld blocks.
 773         (sra_elt_eq): Skip them in parent compares as well.  Handle
 774         BIT_FIELD_REFs.
 775         (sra_walk_expr): Don't maintain or pass down use_all_p.
 776         (scan_use): Remove use_all parameter.
 777         (scalarize_use): Likewise.  Re-expand assignment to
 778         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 779         output, and re-scalarize after output.  Don't mark anything
 780         for no warning.
 781         (scalarize_ldst): Adjust.
 782         (scalarize_walk_gimple_modify_statement): Likewise.
 783         (build_element_name_1): Handle BIT_FIELD_REFs.
 784         (instantiate_element): Don't warn for any element whose parent
 785         is used as a whole.
 786         (instantiate_missing_elements_1): Return the sra_elt.
 787         (canon_type_for_field): New.
 788         (try_instantiate_multiple_fields): New.
 789         (instantiate_missing_elemnts): Use them.
 790         (mark_no_warning): Removed.
 791         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 792         (REPLDUP, sra_build_elt_assignment): New.
 793         (generate_copy_inout): Use them.
 794         (generate_element_copy): Likewise.  Handle bitfld differences.
 795         (generate_element_zero): Don't recurse for blocks.  Use
 796         sra_build_elt_assignment.
 797         (generate_one_element_int): Take elt instead of var.  Use
 798         sra_build_elt_assignment.
 799         (generate_element_init_1): Adjust.
 800         (scalarize_use, scalarize_copy): Use REPLDUP.
 801         (scalarize_ldst): Move assert before dereference.
 802         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 803
 804 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 805
 806         PR C++/31721
 807         * tree.c (reconstruct_complex_type): Reconstruct a reference
 808         correctly.
 809         Also use the same mode for the pointer as the old pointer type.
 810
 811 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 812
 813         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 814         Fortran compiler.
 815
 816 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 817
 818         PR rtl-optimization/31676
 819         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 820         (df_refs_record): Call it.
 821
 822 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 823
 824         * rtl.def (SS_ABS): New code.
 825         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 826         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 827         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 828         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 829         (bfin_init_builtins): Define them.
 830         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 831         (bfin_expand_builtin): ... and handle the others here.
 832         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 833         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 834         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 835         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 836         operand is only HImode.
 837
 838 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 839
 840         * regclass.c (scan_one_insn): Remove splitting of
 841         two address insns.
 842
 843 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 844             Nigel Stephens  <nigel@mips.com>
 845
 846         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 847
 848 2007-04-28  Jan Hubicka  <jh@suse.cz>
 849
 850         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 851         insn_locators_alloc instead of insn_locators_initialize;
 852         call reset_block_changes.
 853         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 854         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 855         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 856         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 857         * config/score/score.c (th_output_mi_thunk): Likewise.
 858         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 859         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 860         tolerate uninitialized locator info.
 861
 862         Re-apply:
 863         * function.c (init_function_start): Don't init line number info.
 864         (expand_function_end): Update.
 865         (reset_block_changes, record_block_change, finalize_block_changes,
 866         check_block_change, free_block_changes): Kill.
 867         * function.h (reset_block_changes, record_block_change,
 868         finalize_block_changes, check_block_change, free_block_changes): Remove
 869         prototypes.
 870         (struct function): Remove ib_boundaries_block.
 871         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 872         Use curr_insn_locator to initialize locator.
 873         (emit_line_note): Remove.
 874         * cfgexpand.c (expand_gimple_cond_expr): Update.
 875         (construct_exit_block): Likewise.
 876         (tree_expand_cfg): Initialize/finalize locators.
 877         * expr.c (expand_expr_real): Update.
 878         * cfglayout.c (line_locators_locs, line_locators_lines,
 879         file_locators_locs, file_locators_files): Remove.
 880         (set_block_levels): Move to cfgexpand.c.
 881         (insn_locators_initialize): Remove.
 882         (pass_insn_locators_initialize): Remove.
 883         (locations_locators_locs, locations_locators_vals): New static vars.
 884         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 885         Likewise.
 886         (insn_locators_alloc, insn_locators_finalize,
 887         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 888         New functions.
 889         (locator_location): New.
 890         (locator_line, locator_file): Rewrite.
 891         * rtl.h (emit_line_note): Kill.
 892         (insn_locators_alloc, insn_locators_finalize,
 893         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 894         Declare.
 895         * tree-inline.c (initialize_cfun): Do not initialize
 896         ib_boundaries_block.
 897         * passes.c (pass_insn_locators_initialize): Remove.
 898
 899 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 900
 901         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 902         info.  Update last_basic_block correctly.
 903
 904 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 905
 906         PR target/31701
 907         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 908         register itself to hold the offset constant.  Tell flow the use
 909         of r4 and r5 when they are used.
 910
 911 2007-04-27  Richard Guenther  <rguenther@suse.de>
 912
 913         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 914         if we simplified anything.
 915         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 916         warnings until we did a simplification and the stmt was not
 917         marked as TREE_NO_WARNING.
 918
 919 2007-04-27  Mike Stump  <mrs@apple.com>
 920
 921         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 922
 923 2007-04-27  Ian Lance Taylor  <iant@google.com>
 924
 925         PR middle-end/31710
 926         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 927         TYPE_MAX_VALUE exist, convert them to the new type.
 928
 929 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 930
 931         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 932         if it claims to be available.
 933         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 934         edge is redirected.
 935         (perform_tree_ssa_dce): Always free postdominators.
 936
 937 2007-04-27  Richard Henderson  <rth@redhat.com>
 938
 939         * config/alpha/predicates.md (aligned_memory_operand): Mark
 940         as define_special_predicate.
 941         (unaligned_memory_operand, normal_memory_operand): Likewise.
 942         (reg_or_unaligned_mem_operand): Remove.
 943         (any_memory_operand): Match the documentation and check for
 944         non-renumbered pseudos during reload.
 945         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 946         alpha_secondary_reload_class, update to new interface, make static.
 947         Handle CQImode like HImode.  Remove FP subreg check.
 948         (alpha_expand_mov): Use replace_equiv_address.
 949         (alpha_expand_mov_nobwx): Use any_memory_operand.
 950         (TARGET_SECONDARY_RELOAD): New.
 951         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 952         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 953         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 954         * config/alpha/alpha.md: ... here.
 955         (RELOAD12, reloadmode): New.
 956         (movcqi): New.
 957         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 958         Don't handle the aligned case here.
 959         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 960         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 961         reload_inhi_help.  Don't expect a scratch register.
 962         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 963         reload_outhi_help.
 964         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 965
 966 2007-04-27  Richard Guenther  <rguenther@suse.de>
 967
 968         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 969
 970 2007-04-27  Richard Guenther  <rguenther@suse.de>
 971
 972         PR tree-optimization/30965
 973         PR tree-optimization/30978
 974         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 975         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 976         (find_equivalent_equality_comparison): Likewise.
 977         (simplify_cond): Likewise.
 978         (get_prop_source_stmt): New helper.
 979         (get_prop_dest_stmt): Likewise.
 980         (can_propagate_from): Likewise.
 981         (remove_prop_source_from_use): Likewise.
 982         (combine_cond_expr_cond): Likewise.
 983         (forward_propagate_comparison): New function.
 984         (forward_propagate_into_cond): Rewrite to use fold for
 985         tree combining.
 986         (tree_ssa_forward_propagate_single_use_vars): Call
 987         forward_propagate_comparison to propagate comparisons.
 988
 989 2007-04-27  Richard Guenther  <rguenther@suse.de>
 990
 991         PR tree-optimization/31715
 992         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
 993         sure to do computation on the offset in an appropriate
 994         signed type.
 995
 996 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
 997
 998         * reload.h (elimination_target_reg_p): Declare.
 999         * reload.c (find_reloads): Don't apply the reg_rtx move
1000         optimization if the SET_DEST satisfies elimination_target_reg_p.
1001         * reload1.c (elimination_target_reg_p): New function.
1002         (gen_reload): In the move/add2 fallback, make sure that op0
1003         does not overlap the destination register.
1004
1005 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1006
1007         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1008         transform only GIMPLE_MODIFY_STMTs.
1009         * tree-complex.c (expand_complex_operations_1): Ditto.
1010         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1011         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1012         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1013         branches.
1014         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1015         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1016         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1017         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1018         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1019         slpeel_add_loop_guard): Ditto.
1020         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1021         * lambda-code.c (perfect_nestify): Ditto.
1022         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1023         before the first statement.
1024         * tree-optimize.c (execute_free_datastructures): Fix comments.
1025         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1026         * tree-flow.h (disband_implicit_edges): Declaration removed.
1027         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1028         branches.
1029         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1030         without gotos.
1031         (disband_implicit_edges, has_label_p): Removed.
1032         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1033         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1034         branches.
1035         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1036         side effects.
1037         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1038         also for COND_EXPRs.
1039         * cfgexpand.c (label_rtx_for_bb): New function.
1040         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1041         Use label_rtx_for_bb to find the labels.
1042         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1043         last block.  Detect fallthru edges.
1044
1045 2007-04-26  Ian Lance Taylor  <iant@google.com>
1046
1047         PR target/28675
1048         * reload.c (find_reloads_subreg_address): If the address was valid
1049         in the original mode but not in the new mode, reload the whole
1050         address.
1051
1052 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1053
1054         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1055         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1056         (cleanup_control_expr_graph): Do not invalidate dominance info.
1057         Record altered blocks.
1058         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1059         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1060         cleanup_tree_cfg_bb): New functions.
1061         (remove_forwarder_block): Do not maintain the worklist of blocks.
1062         Record altered blocks.
1063         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1064         not over whole cfg.
1065         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
1066         delete_unreachable_blocks if dominators are not available.
1067         * tree-inline.c (optimize_inline_calls): Free dominance information
1068         earlier.
1069         * tree-flow.h (remove_edge_and_dominated_blocks,
1070         cfgcleanup_altered_bbs): Altered.
1071         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1072         blocks.
1073         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1074         functions.
1075         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1076         do not invalidate dominators.
1077
1078 2007-04-26  Anatoly Sokolov <aesok@post.ru>
1079
1080         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1081         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1082         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1083         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1084
1085 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
1086
1087         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
1088
1089 2007-04-26  Richard Guenther  <rguenther@suse.de>
1090
1091         PR tree-optimization/31703
1092         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1093         the right type for the target of the bittest.
1094
1095 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1096
1097         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1098         ix86_sol10_return_in_memory.
1099
1100 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1101
1102         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1103         variables.
1104
1105 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
1106
1107         PR c++/31598
1108         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1109
1110         PR tree-optimization/30558
1111         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1112         clear this_state.prev_try.
1113
1114 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1115             Mark Mitchell  <mark@codesourcery.com>
1116
1117         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1118         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1119         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1120
1121 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1122
1123         PR driver/31107
1124         * doc/invoke.texi (%:print-asm-header): Document.
1125         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1126         and -ftarget-help.
1127         (static_spec_functions): Add print-asm-header.
1128         (main): Print a banner before the --target-help linker options.
1129         (print_asm_header_spec_function): New function.
1130
1131 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1132
1133         PR target/31403
1134         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1135         (movsf_ie): Likewise.
1136
1137 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
1138
1139         * doc/extend.texi ([Type Traits]): Adjust per N2255.
1140
1141 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
1142
1143         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1144         for divide-by-zero.
1145         (__umodsi3, __modsi3): Likewise.
1146
1147 2007-04-25  Dirk Mueller  <dmueller@suse.de>
1148
1149         * c-typeck.c (build_compound_expr): Annotate warning()
1150         call with OPT_Wunused_value.
1151         * tree-ssa.c (warn_uninit): Annotate warning with
1152         OPT_Wunintialized.
1153         * c-common.c (handle_sentinel_attribute): Annotate warning
1154         call with OPT_Wattributes.
1155
1156 2007-04-25  Thiemo Seufer  <ths@mips.com>
1157
1158         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1159         (mips16): Fix typo.
1160         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1161         on to the assembler.  Improve handling of -mno-mips16.  Add handling
1162         of -mno-mips3d, -mno-dsp, -mno-dspr2.
1163         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
1164         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1165         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1166
1167 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
1168
1169         PR target/31680
1170         * config/i386/winnt.c (i386_pe_file_end): Strip only
1171         USER_LABEL_PREFIX when writing export name.
1172
1173 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
1174
1175         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
1176         sh/elf.h, vx-common.h and vxworks.h.
1177         * config/sh/sh.h: Include config/vxworks-dummy.h.
1178         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1179         (OVERRIDE_OPTIONS): Use it.
1180         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1181         (vxworks_picreg): New pattern.
1182         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1183         VXWORKS_OS_CPP_BUILTINS.
1184         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1185         to their VXWORKS_* equivalents.
1186         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1187         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1188         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1189         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1190         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1191         -mrtp/-fPIC multilibs.
1192         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1193         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1194         (MULTILIB_OSDIRNAMES): Delete.
1195
1196 2007-04-25  Anatoly Sokolov <aesok@post.ru>
1197
1198         PR target/18989
1199         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1200
1201 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
1202
1203         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1204         rounding mode to be specified by the caller.
1205         (real_to_mpfr) Likewise.
1206         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1207         include new arguments.
1208         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1209
1210 2007-04-24  Ian Lance Taylor  <iant@google.com>
1211
1212         PR tree-optimization/31605
1213         * tree-vrp.c (set_value_range): Check that min and max are not
1214         both overflow infinities.
1215         (set_value_range_to_value): New static function.
1216         (extract_range_from_binary_expr): Call set_value_range_to_value.
1217         (extract_range_from_cond_expr): Likewise.
1218         (extract_range_from_expr): Likewise.
1219         (extract_range_from_unary_expr): Likewise.  Don't create a range
1220         which overflows on both sides.
1221         (vrp_meet): Check for a useless range.
1222         (vrp_visit_phi_node): If we see a constant which looks like an
1223         overflow infinity, turn off the TREE_OVERFLOW flag.
1224
1225 2007-04-24  Ian Lance Taylor  <iant@google.com>
1226
1227         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1228
1229 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
1230
1231         PR diagnostic/25923
1232         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1233         diagnostic message is being built.
1234         * tree-pretty-print.c (dump_generic_node): Only write the
1235         formatted text into BUFFER's stream if we are not building a
1236         diagnostic message.
1237         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1238         dump_generic_node.
1239         * Makefile.in (toplev.o): Depend on tree-pass.h.
1240
1241 2007-04-24  Ian Lance Taylor  <iant@google.com>
1242
1243         PR tree-optimization/31602
1244         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1245         conditionals in the copied loop header.
1246         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1247         warnings if TREE_NO_WARNING is set.
1248         * doc/invoke.texi (Warning Options): Clarify that
1249         -Wstrict-overflow does not warn about loops.
1250
1251 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1252
1253         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1254         expand on the comment about _Decimal128 arguments and check the
1255         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1256         that _Decimal128 argument uses even/odd register pair.
1257         (function_arg): Ditto.
1258
1259 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1260
1261         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1262         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1263
1264 2007-04-24  Richard Guenther  <rguenther@suse.de>
1265             Olga Golovanevsky  <olga@il.ibm.com>
1266
1267         * fold-const.c (multiple_of_p): Check for bottom
1268         to be zero.
1269
1270 2007-04-24  Richard Henderson  <rth@redhat.com>
1271
1272         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1273         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1274         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1275         looking for non-zero bits shifted out.  Avoid a recursive call
1276         when constructing the scalar.
1277         (__floatundisf): Likewise.
1278
1279 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1280
1281         * dwarf2out.c (field_byte_offset): Move the existing logic
1282         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1283         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1284
1285 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1286
1287         PR target/31641
1288         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1289         argument of 0 for memset.
1290         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1291         unsigned shift instead of the signed variant.
1292
1293 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1294
1295         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1296         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1297         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1298         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1299         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1300         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1301         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1302         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1303         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1304         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1305         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1306         "mul<mode>3", "div<mode>3"): Insn definitions added.
1307         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1308         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1309         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1310         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1311         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1312         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1313         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1314         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1315         TARGET_FLOAT_FORMAT): Macro definitions removed.
1316         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1317         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1318         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1319         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1320         (s390_gen_rtx_const_DI): Function removed.
1321         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1322
1323 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1324
1325         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1326         over an external ffs function.
1327
1328 2007-04-24  Chao-ying Fu  <fu@mips.com>
1329             Richard Sandiford  <richard@nildram.co.uk>
1330
1331         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1332         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1333         (smadd_widen_optab, umadd_widen_optab): Define.
1334         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1335         umadd_widen_optab.
1336         * genopinit.c (optabs): Fill in smadd_widen_optab and
1337         umadd_widen_optab.
1338         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1339         and umadd_widen_optab to implement multiply-add sequences.
1340         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1341         (<u>maddsidi4): ...this.  Extend condition to include
1342         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1343         of operand 0 to "ka" and use the three-operand form of madd<u>
1344         for TARGET_DSPR2.
1345         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1346         to define_expands.
1347         * config/mips/constraints.md (ka): New register constraint.
1348
1349 2007-04-24  Jan Hubicka  <j@suse.cz>
1350
1351         Revert:
1352
1353         2007-04-23  Jan Hubicka  <jh@suse.cz>
1354         * function.c (init_function_start): Don't init line number info.
1355         (expand_function_end): Update.
1356         (reset_block_changes, record_block_change, finalize_block_changes,
1357         check_block_change, free_block_changes): Kill.
1358         * function.h (reset_block_changes, record_block_change,
1359         finalize_block_changes, check_block_change, free_block_changes): Remove
1360         prototypes.
1361         (struct function): Remove ib_boundaries_block.
1362         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1363         Use curr_insn_locator to initialize locator.
1364         (emit_line_note): Remove.
1365         * cfgexpand.c (expand_gimple_cond_expr): Update.
1366         (construct_exit_block): Likewise.
1367         (tree_expand_cfg): Initialize/finalize locators.
1368         * expr.c (expand_expr_real): Update.
1369         * cfglayout.c (line_locators_locs, line_locators_lines,
1370         file_locators_locs, file_locators_files): Remove.
1371         (set_block_levels): Move to cfgexpand.c.
1372         (insn_locators_initialize): Remove.
1373         (pass_insn_locators_initialize): Remove.
1374         (locations_locators_locs, locations_locators_vals): New static vars.
1375         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1376         Likewise.
1377         (insn_locators_alloc, insn_locators_finalize,
1378         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1379         New functions.
1380         (locator_location): New.
1381         (locator_line, locator_file): Rewrite.
1382         * rtl.h (emit_line_note): Kill.
1383         (insn_locators_alloc, insn_locators_finalize,
1384         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1385         Declare.
1386         * tree-inline.c (initialize_cfun): Do not initialize
1387         ib_boundaries_block.
1388         * passes.c (pass_insn_locators_initialize): Remove.
1389
1390 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1391
1392         * doc/invoke.texi: Removed leading '-' from option index entries.
1393
1394 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1395
1396         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1397         Use phi_nodes_ptr.
1398         (create_phi_node): Use set_phi_nodes.
1399         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1400         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1401         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1402         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1403         (bsi_start, bsi_last): Use bb_stmt_list.
1404         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1405         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1406         Traverse the statements using tsi iterator.
1407         * basic-block.h (struct basic_block_def): Fields stmt_list
1408         and phi_nodes moved to ...
1409         (struct tree_bb_info): ... new structure.
1410         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1411         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1412         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1413         (tree_verify_flow_info): Verify that il.tree is not set for
1414         entry and exit block.
1415         (tree_split_block): Use set_bb_stmt_list.
1416
1417 2007-04-23  Mike Stump  <mrs@apple.com>
1418
1419         * config/i386/i386.c (ix86_tune_features
1420         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1421         nocona and core2.
1422
1423 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1424
1425         * config/i386/i386.md (prefix_extra): New attribute.
1426         (length): Add prefix_extra.
1427
1428         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1429         (sse2_movntv2di): Likewise.
1430         (sse2_cvtps2dq): Likewise.
1431         (sse2_cvtpd2pi): Likewise.
1432         (sse2_cvttpd2pi): Likewise.
1433         (*sse2_cvtpd2ps): Likewise.
1434         (*add<mode>3): Likewise.
1435         (sse2_ssadd<mode>3): Likewise.
1436         (sse2_usadd<mode>3): Likewise.
1437         (*sub<mode>3): Likewise.
1438         (sse2_sssub<mode>3): Likewise.
1439         (sse2_ussub<mode>3): Likewise.
1440         (*mulv8hi3): Likewise.
1441         (*smulv8hi3_highpart): Likewise.
1442         (*umulv8hi3_highpart): Likewise.
1443         (sse2_umulv2siv2di3): Likewise.
1444         (sse2_pmaddwd): Likewise.
1445         (ashr<mode>3): Likewise.
1446         (lshr<mode>3): Likewise.
1447         (ashl<mode>3): Likewise.
1448         (sse2_ashlti3): Likewise.
1449         (sse2_lshrti3): Likewise.
1450         (*umaxv16qi3): Likewise.
1451         (*smaxv8hi3): Likewise.
1452         (*uminv16qi3): Likewise.
1453         (*sminv8hi3): Likewise.
1454         (sse2_eq<mode>3): Likewise.
1455         (sse2_gt<mode>3): Likewise.
1456         (*and<mode>3): Likewise.
1457         (sse2_nand<mode>3): Likewise.
1458         (*ior<mode>3): Likewise.
1459         (*xor<mode>3): Likewise.
1460         (sse2_packsswb): Likewise.
1461         (sse2_packssdw): Likewise.
1462         (sse2_packuswb): Likewise.
1463         (sse2_punpckhbw): Likewise.
1464         (sse2_punpcklbw): Likewise.
1465         (sse2_punpckhwd): Likewise.
1466         (sse2_punpcklwd): Likewise.
1467         (sse2_punpckhdq): Likewise.
1468         (sse2_punpckldq): Likewise.
1469         (sse2_punpckhqdq): Likewise.
1470         (sse2_punpcklqdq): Likewise.
1471         (*sse2_pinsrw): Likewise.
1472         (*sse2_pextrw): Likewise.
1473         (sse2_pshufd_1): Likewise.
1474         (sse2_uavgv16qi3): Likewise.
1475         (sse2_uavgv8hi3): Likewise.
1476         (sse2_psadbw): Likewise.
1477         (sse2_pmovmskb): Likewise.
1478         (*sse2_maskmovdqu): Likewise.
1479         (*sse2_maskmovdqu_rex64): Likewise.
1480         (sse4a_extrqi): Likewise.
1481         (sse4a_extrq): Likewise.
1482         (sse3_lddqu): Set prefix_rep.
1483         (sse3_addsubv4sf3): Likewise.
1484         (sse3_haddv4sf3): Likewise.
1485         (sse3_hsubv4sf3): Likewise.
1486         (sse_cvtss2si): Likewise.
1487         (sse_cvtss2si_2): Likewise.
1488         (sse_cvtss2siq): Likewise.
1489         (sse_cvtss2siq_2): Likewise.
1490         (sse_cvttss2si): Likewise.
1491         (sse_cvttss2siq): Likewise.
1492         (sse2_cvttps2dq): Likewise.
1493         (sse3_movshdup): Likewise.
1494         (sse3_movsldup): Likewise.
1495         (sse2_cvtsd2si): Likewise.
1496         (sse2_cvtsd2si_2): Likewise.
1497         (sse2_cvtsd2siq): Likewise.
1498         (sse2_cvtsd2siq_2): Likewise.
1499         (sse2_cvttsd2si): Likewise.
1500         (sse2_cvttsd2siq): Likewise.
1501         (*sse2_cvtpd2dq): Likewise.
1502         (*sse2_cvttpd2dq): Likewise.
1503         (sse2_pshuflw_1): Likewise.
1504         (sse2_pshufhw_1): Likewise.
1505         (sse4a_insertqi): Likewise.
1506         (sse4a_insertq): Likewise.
1507         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1508         (ssse3_phadddv4si3): Likewise.
1509         (ssse3_phaddswv8hi3): Likewise.
1510         (ssse3_phsubwv8hi3): Likewise.
1511         (ssse3_phsubdv4si3): Likewise.
1512         (ssse3_phsubswv8hi3): Likewise.
1513         (ssse3_pmaddubswv8hi3): Likewise.
1514         (ssse3_pmulhrswv8hi3): Likewise.
1515         (ssse3_pshufbv16qi3): Likewise.
1516         (ssse3_psign<mode>3): Likewise.
1517         (ssse3_palignrti): Likewise.
1518         (abs<mode>2): Likewise.
1519         (ssse3_phaddwv4hi3): Set prefix_extra.
1520         (ssse3_phadddv2si3): Likewise.
1521         (ssse3_phaddswv4hi3): Likewise.
1522         (ssse3_phsubwv4hi3): Likewise.
1523         (ssse3_phsubdv2si3): Likewise.
1524         (ssse3_phsubswv4hi3): Likewise.
1525         (ssse3_pmaddubswv4hi3): Likewise.
1526         (ssse3_pmulhrswv4hi3): Likewise.
1527         (ssse3_pshufbv8qi3): Likewise.
1528         (ssse3_psign<mode>3): Likewise.
1529         (ssse3_palignrdi): Likewise.
1530         (abs<mode>2): Likewise.
1531         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1532         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1533         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1534
1535 2007-04-23  Nick Clifton  <nickc@redhat.com>
1536
1537         * params.def: Fix formatting of emacs local variables.
1538
1539 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1540
1541         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1542         move if inter-unit move isn't allowed.
1543         Don't split moving the first element of V2DI to DI to inter-unit
1544         move if inter-unit move isn't allowed.
1545
1546 2007-04-23  Richard Guenther  <rguenther@suse.de>
1547
1548         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1549         and CDI_POST_DOMINATORS separately.
1550
1551 2007-04-23  Nick Clifton  <nickc@redhat.com>
1552
1553         * c.opt (Wformat-contains-nul): Add warning attribute.
1554
1555 2007-04-23  Jan Hubicka  <jh@suse.cz>
1556
1557         * function.c (init_function_start): Don't init line number info.
1558         (expand_function_end): Update.
1559         (reset_block_changes, record_block_change, finalize_block_changes,
1560         check_block_change, free_block_changes): Kill.
1561         * function.h (reset_block_changes, record_block_change,
1562         finalize_block_changes, check_block_change, free_block_changes): Remove
1563         prototypes.
1564         (struct function): Remove ib_boundaries_block.
1565         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1566         Use curr_insn_locator to initialize locator.
1567         (emit_line_note): Remove.
1568         * cfgexpand.c (expand_gimple_cond_expr): Update.
1569         (construct_exit_block): Likewise.
1570         (tree_expand_cfg): Initialize/finalize locators.
1571         * expr.c (expand_expr_real): Update.
1572         * cfglayout.c (line_locators_locs, line_locators_lines,
1573         file_locators_locs, file_locators_files): Remove.
1574         (set_block_levels): Move to cfgexpand.c.
1575         (insn_locators_initialize): Remove.
1576         (pass_insn_locators_initialize): Remove.
1577         (locations_locators_locs, locations_locators_vals): New static vars.
1578         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1579         Likewise.
1580         (insn_locators_alloc, insn_locators_finalize,
1581         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1582         New functions.
1583         (locator_location): New.
1584         (locator_line, locator_file): Rewrite.
1585         * rtl.h (emit_line_note): Kill.
1586         (insn_locators_alloc, insn_locators_finalize,
1587         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1588         Declare.
1589         * tree-inline.c (initialize_cfun): Do not initialize
1590         ib_boundaries_block.
1591         * passes.c (pass_insn_locators_initialize): Remove.
1592
1593 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1594
1595         PR middle-end/31448
1596         * expr.c (reduce_to_bit_field_precision): Handle
1597         CONST_INT rtx's.
1598
1599 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1600
1601         PR tree-optimization/24659
1602         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1603         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1604         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1605         * genopinit.c (optabs): Rename vec_pack_mod_optab
1606         to vec_pack_trunc_optab.
1607         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1608         early for scalar floating point operands for NOP_EXPR.
1609         (vectorizable_type_promotion): Ditto.
1610         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1611         vec_pack_trunc_optab.
1612         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1613
1614         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1615         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1616         Rename from VEC_PACK_MOD_EXPR.
1617         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1618         * expr.c (expand_expr_real_1): Ditto.
1619         * tree-inline.c (estimate_num_insns_1): Ditto.
1620         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1621
1622         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1623         (vec_unpacks_lo_v4sf): Ditto.
1624         (vec_pack_trunc_v2df): Ditto.
1625         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1626         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1627         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1628
1629         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1630         vec_pack_mod_v8hi.
1631         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1632
1633         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1634         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1635         packing of floating point operands.
1636         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1637         represent unpacking of floating point operands.
1638         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1639         [vec_unpacks_hi]: Ditto.
1640         [vec_unpacks_lo]: Ditto.
1641
1642 2007-04-22  Jan Hubicka  <jh@suse.cz>
1643
1644         * final.c (rest_of_handle_final): Call
1645         targetm.asm_out.constructor/targetm.asm_out.destructor
1646         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1647         proper priority via decl_*_priority_insert.
1648         * c-common.c (c_expand_body): Likewise.
1649
1650 2007-04-22  Richard Guenther  <rguenther@suse.de>
1651
1652         PR tree-optimization/29789
1653         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1654         (rewrite_reciprocal): New helper split out from
1655         determine_invariantness_stmt.
1656         (rewrite_bittest): Likewise.
1657         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1658         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1659         is not.
1660
1661 2007-04-22  Revital Eres  <eres@il.ibm.com>
1662
1663         * loop-unroll.c (var_to_expand): New field to support also
1664         insns of the form x = something + x.
1665         (analyze_insn_to_expand_var): Use it.
1666         (expand_var_during_unrolling): Likewise.
1667
1668 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1669
1670         * predict.c: Include pointer-set.h.
1671         (bb_predictions): New variable.
1672         (tree_predicted_by_p, tree_predict_edge,
1673         remove_predictions_associated_with_edge): Use bb_predictions map
1674         instead of bb->predictions.
1675         (clear_bb_predictions, assert_is_empty): New functions.
1676         (combine_predictions_for_bb): Use bb_predictions map.  Call
1677         clear_bb_predictions.
1678         (tree_estimate_probability): Create and free bb_predictions map.
1679         * Makefile.in (predict.o): Add pointer-set.h dependency.
1680         * basic-block.h (struct basic_block_def): Remove predictions
1681         field.
1682         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1683
1684 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1685
1686         PR target/31480
1687         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1688         is null.
1689
1690 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1691
1692         * timevar.c (timevar_print): Change reference of --disable-checking to
1693         --enable-checking=release.  Also warn if assert checking is disabled.
1694
1695 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1696
1697         PR C/30265
1698         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1699         decl as addressable if the compound literal was marked as
1700         addressable.
1701         Mark the decl as a gimple register if it is a complex or
1702         vector decl and does not live in memory.
1703
1704 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1705
1706         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1707         (GENERIC_NEXT): New function macro.
1708         (PHI_CHAIN): Use phi_node's new chain variable.
1709         (tree_phi_node): Change tree_common to tree_base
1710         and add the chain field.
1711         * tree-phinodes.c (make_phi_node): Don't set
1712         TREE_TYPE on the new node.
1713         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1714         instead of checking GIMPLE_TUPLE_P in chain_next.
1715         * tree-vect-transform.c
1716         (get_initial_def_for_induction): Look at
1717         PHI_RESULT_TREE for the type of the phi node.
1718         (update_vuses_to_preheader): Use PHI_CHAIN
1719         instead of TREE_CHAIN on the phi node.
1720         * tree-ssa-structalias.c (compute_points_to_sets):
1721         Likewise.
1722         (ipa_pta_execute): Likewise.
1723
1724 2007-04-21  Richard Guenther  <rguenther@suse.de>
1725
1726         PR middle-end/31136
1727         * fold-const.c (fold_unary): Call fold_convert_const on the
1728         original tree.
1729
1730 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1731
1732         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1733         (store_killed_in_pat): New.
1734
1735 2007-04-20  Richard Henderson  <rth@redhat.com>
1736
1737         PR target/31628
1738         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1739         TREE_LIST with a void_type_node value, not void_list_node exactly.
1740
1741 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1742
1743         * doc/standards.texi: Re-arrange into language-specific
1744         subsections. Add a C++ section, documenting which standards we
1745         support.
1746
1747 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1748
1749         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1750         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1751
1752 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1753
1754         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1755         ecrti.o and crtbegin.o.
1756         (LIB_DEFAULT_SPEC): Include -lc.
1757         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1758
1759 2007-04-20  Richard Henderson  <rth@redhat.com>
1760
1761         PR target/28623
1762         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1763         argument; update all callers.
1764         (get_unaligned_offset): New.
1765         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1766         get_unaligned_address, just pass on the address directly.
1767         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1768         the subreg in the helper patterns.
1769         (unaligned_extendqidi_le): Use get_unaligned_offset.
1770         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1771         (unaligned_extendhidi_be): Likewise.
1772         (unaligned_extendhidi): Tidy.
1773         * config/alpha/alpha-protos.h: Update.
1774
1775 2007-04-20  Richard Henderson  <rth@redhat.com>
1776
1777         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1778         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1779         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1780         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1781         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1782         (CPP_SPEC): Don't include %(cpp_subtarget).
1783         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1784         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1785         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1786
1787 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1788
1789         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1790         for __builtin_ia32_cmpordss.
1791
1792         PR tree-optimization/31632
1793         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1794         and arg1 for optimizations of comparison against min/max values.
1795         Fold arg0 to arg1's type for optimizations of comparison against
1796         min+1 and max-1 values.
1797
1798 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1799
1800         * reload.c (combine_reloads): When trying to use a dying register,
1801         check whether it's uninitialized and don't use if so.
1802
1803 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1804
1805         * fold-const.c: Remove prototypes for native_encode_expr and
1806         native_interpret_expr.
1807         (native_encode_expr): Make non-static.
1808         (native_interpret_expr): Likewise.
1809         * tree.h: Add prototypes for the above.
1810
1811 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1812
1813         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1814         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1815         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1816         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1817         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1818         Add length attributes.
1819
1820 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1821
1822         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1823         not that it is 1.
1824
1825         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1826         __STDC_WANT_DEC_FP__.
1827
1828 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1829
1830         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1831         for long double compatibility.
1832         * configure: Regenerate.
1833
1834 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1835
1836         PR rtl-optimization/29841
1837         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1838         trap instructions.
1839         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1840         that may cause control flow transfer from being moved.
1841
1842 2007-04-18  Jan Hubicka  <jh@suse.cz>
1843
1844         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1845         types.
1846
1847 2007-04-18  Eric Christopher  <echristo@apple.com>
1848
1849         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1850         only. Update operands.
1851         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1852         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1853         link register to pic register.
1854
1855 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1856
1857         PR diagnostic/31227
1858         * tree-vrp.c (search_for_addr_array): New.
1859         (check_array_bounds): Suppress warning about
1860         address taken of array refs if its not de-referenced.
1861
1862 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1863
1864         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1865         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1866
1867         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1868         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1869         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1870
1871         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1872         dump print.
1873         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1874         print message.
1875         (vect_analyze_scalar_cycles): Fix indentation.
1876         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1877         (vect_mark_relevant): Include phis in relevance analysis.
1878
1879         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1880
1881 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1882
1883         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1884         output_operand_lossage().
1885
1886 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1887
1888         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1889         the unused code for reduction without adjust-in-epilog to simplify the
1890         function.
1891
1892 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1893
1894         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1895         (S390_TDC_NEGATIVE_ZERO): New constant.
1896         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1897         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1898         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1899         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1900         (S390_TDC_POSITIVE_INFINITY): New constant.
1901         (S390_TDC_NEGATIVE_INFINITY): New constant.
1902         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1903         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1904         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1905         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1906         (S390_TDC_INFINITY): New constant.
1907         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1908         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1909         optimization for UNSPEC_CCZ_TO_INT.
1910         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1911         ("*ccz_to_int"): New insn.
1912         ("isinf<mode>2"): New insn.
1913         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1914         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1915         (UNSPEC_CCZ_TO_INT): New constant.
1916
1917 2007-04-18  Richard Guenther  <rguenther@suse.de>
1918
1919         PR tree-optimization/19431
1920         PR tree-optimization/21463
1921         * tree-pass.h (pass_phiprop): Declare.
1922         * passes.c (init_optimization_passes): New phiprop pass.
1923         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1924         (phivn_valid_p): New helper function.
1925         (phiprop_insert_phi): Likewise.
1926         (propagate_with_phi): Likewise.
1927         (tree_ssa_phiprop): New propagator propagating loads
1928         through phi nodes if profitable.
1929
1930 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1931
1932         * tree-vect-analyze.c (process_use): New function.
1933         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1934         Check phis in all bbs.
1935         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1936         assert.
1937
1938 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1939
1940         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1941         we use REG_EQUAL.
1942
1943 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1944
1945         PR target/30483
1946         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1947         error().
1948
1949 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1950
1951         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1952         on "0".
1953         (sse_vmmulv4sf3): Likewise.
1954         (sse2_vmaddv2df3): Likewise.
1955         (sse2_vmmulv2df3): Likewise.
1956
1957 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1958
1959         PR rtl-optimization/31360
1960         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1961         (target_reg_cost): New.
1962         (init_set_costs): Initialize target_reg_cost.  Add comments
1963         regarding the rationale of the costs.
1964         (global_cost_for_size): Renamed to...
1965         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1966         of register pressure.
1967         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1968         estimate_reg_pressure_cost.  Add number of ivs.
1969         (determine_set_costs): Dump target_reg_cost.
1970         * loop-invariant.c (gain_for_invariant):  Use
1971         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1972         (best_gain_for_invariant, find_invariants_to_move): Remove
1973         n_inv_uses.
1974         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1975         (target_reg_cost): Declare.
1976         (global_cost_for_size): Declaration removed.
1977         (estimate_reg_pressure_cost): Declare.
1978
1979 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1980
1981         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1982         regnos into even/odd register pairs.
1983         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1984         TDmode similar to the other floating point modes.
1985         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1986         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1987         define_expand's.
1988         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1989         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1990         (movdd_hardfloat64): Use TARGET_MFPGPR.
1991
1992 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1993
1994         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1995
1996         Revert
1997         2005-01-05  Richard Henderson  <rth@redhat.com>
1998         PR rtl-opt/10692
1999         * reload1.c (do_input_reload): Restrict the optimization deleteing
2000         a previous output reload to RELOAD_FOR_INPUT.
2001
2002 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
2003
2004         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2005         induc_vec_info_type.
2006         (vectorizable_induction): New function declaration.
2007         * tree-vect-transform.c (get_initial_def_for_induction): No need to
2008         check if already vectorized.  Find first place in BB where new stmts
2009         can be inserted.  Takes only one argument.
2010         (vectorizable_induction): New function.
2011         (vect_transform_stmt): Add case for induc_vec_info_type to call
2012         vectorizable_induction.
2013         (vect_transform_loop): Consider phis for vectorization.
2014         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2015         condition.
2016         (analyze_operations): Call vectorizable_induction when analyzing phis.
2017         Fix comment.
2018         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2019         (vect_mark_relevant): Include phis in relevance analysis.
2020         (vect_mark_stmts_to_be_vectorize): Likewise.
2021         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2022
2023 2007-04-16  Lawrence Crowl  <crowl@google.com>
2024
2025         * doc/invoke.texi (Debugging Options): Add documentation for the
2026         -femit-struct-debug options -femit-struct-debug-baseonly,
2027         -femit-struct-debug-reduced, and
2028         -femit-struct-debug-detailed[=...].
2029
2030         * c-opts.c (c_common_handle_option): Add
2031         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2032         and OPT_femit_struct_debug_detailed_.
2033         * c.opt: Add specifications for
2034         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2035         and -femit-struct-debug-detailed[=...].
2036         * opts.c (set_struct_debug_option): Parse the
2037         -femit-struct-debug-... options.
2038         * opts.c (matches_main_base, main_input_basename,
2039         main_input_baselength, base_of_path, matches_main_base): Add
2040         variables and functions to compare header base name to compilation
2041         unit base name.
2042         * opts.c (should_emit_struct_debug): Add to determine to emit a
2043         structure based on the option.
2044         (dump_struct_debug) Also disabled function to debug this
2045         function.
2046         * opts.c (handle_options): Save the base name of the
2047         compilation unit.
2048
2049         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2050         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2051         This hook indicates if a type is generic.  Set it by default
2052         to "never generic".
2053         * langhooks.h (struct lang_hooks_for_types): Add a new hook
2054         to determine if a struct type is generic or not.
2055         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2056         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2057         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2058         with live C++ hook.
2059
2060         * flags.h (enum debug_info_usage): Add an enumeration to describe
2061         a program's use of a structure type.
2062         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2063         to indicate the program's usage of the type.  Filter structs based
2064         on the -femit-struct-debug-... specification.
2065         (gen_type_die): Split into two routines, gen_type_die and
2066         gen_type_die_with_usage.  gen_type_die is now a wrapper
2067         that assumes direct usage.
2068         (gen_type_die_with_usage): Replace calls to gen_type_die
2069         with gen_type_die_with_usage adding the program usage of
2070         the referenced type.
2071         (dwarf2out_imported_module_or_decl): Suppress struct debug
2072         information using should_emit_struct_debug when appropriate.
2073
2074 2007-04-16  Ian Lance Taylor  <iant@google.com>
2075
2076         PR tree-optimization/31522
2077         * tree-vrp.c (vr_phi_edge_counts): New static variable.
2078         (vrp_initialize): Allocate vr_phi_edge_counts.
2079         (vrp_visit_phi_node): Don't push to infinity if we saw a new
2080         executable edge.  Drop test for all constants.
2081         (vrp_finalize): Free vrp_phi_edge_counts.
2082
2083         * doc/cpp.texi (Common Predefined Macros): Clarify description of
2084         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2085
2086         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2087         predecessors at head rather than tail.
2088
2089 2007-04-16  Matthias Klose  <doko@debian.org>
2090
2091         * config/alpha/linux.h (CPP_SPEC): Define.
2092         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2093
2094 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
2095
2096         * function.h: Remove sequence_stack extern declaration.
2097
2098 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2099
2100         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2101         TARGET_FIDOA.
2102         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2103         defined.
2104
2105 2007-04-16  Anatoly Sokolov <aesok@post.ru>
2106
2107         * config/avr/avr.c (avr_arch_types): Rearranging  array.
2108         (enum avr_arch): Add.
2109         (avr_mcu_types): Use avr_arch enumeration constants instead of
2110         numbers.
2111         * config/avr/avr.h (LINK_SPEC): Simplify.
2112
2113 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2114
2115         * config/m68k/m68k.c (m68k_libcall_value,
2116         m68k_function_value): Use macros for register names more.
2117
2118         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2119         instead.
2120         (M68K_REGNAME): Use A6_REG.
2121         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2122
2123 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2124
2125         PR middle-end/28071
2126         * sched-int.h (struct deps): Split field 'pending_lists_length' into
2127         'pending_read_list_length' and 'pending_write_list_length'.  Update
2128         comment.
2129         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
2130         to handle two length counters instead of one.  Update all uses.
2131         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2132         two length counters instead of one.
2133         * sched-rgn.c (propagate_deps): Update to handle two length counters
2134         instead of one.
2135
2136 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2137
2138         PR target/31582
2139         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2140         copy of source, pass it to ix86_expand_vector_set and return
2141         it as target.
2142
2143 2007-04-16  David Ung  <davidu@mips.com>
2144             Joseph Myers  <joseph@codesourcery.com>
2145
2146         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2147         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2148         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2149         Add 74K processor information.
2150         * config/mips/mips.md: Include 74k.md.
2151         (cpu): Add 74kc,74kf,74kx.
2152         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2153         * config/mips/74k.md: New.
2154         * doc/invoke.texi (MIPS Options): Document 74K support.
2155
2156 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2157
2158         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2159         vectorizable_* functions.
2160         * tree-vect-transform.c (vectorizable_call): Add check for
2161         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2162         (vectorizable_store): likewise.
2163         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2164         Add comments.
2165         (vectorizable_operation, vectorizable_type_demotion): Likewise.
2166         (vectorizable_type_promotion, vectorizable_load): Likewise.
2167         (vectorizable_live_operation, vectorizable_condition): Likewise.
2168         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2169         STMT_VINFO_LIVE_P.
2170         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2171
2172 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2173
2174         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2175         register numbers more.
2176         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2177         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2178         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2179         FUNCTION_VALUE_REGNO_P): Likewise.
2180         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2181         STATIC_CHAIN_REGNUM): Likewise.
2182         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2183         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2184         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2185         * config/m68k/m68k.md (FP_REG): New.
2186
2187 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2188
2189         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2190         alignment on fido.
2191
2192 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2193
2194         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2195         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2196         comment typos.
2197
2198 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2199
2200         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2201         cold loops.
2202
2203 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2204
2205         PR c/31520
2206         * c-decl.c (finish_decl): Grab the type of the decl after the call
2207         to store_init_value.
2208
2209 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
2210
2211         * common.opt (fforward-propagate): Fix "Optimization" annotation.
2212
2213 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
2214
2215         PR c++/25874
2216         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2217         post dominators and cleanup cfg before returning.
2218
2219 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2220
2221         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2222         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2223
2224 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
2225
2226         * config.gcc: Recognize fido.
2227         * config/m68k/m68k-devices.def (fidoa): New.
2228         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2229         __mfido__.
2230         (FL_FIDOA, TARGET_FIDOA): New.
2231         * config/m68k/m68k.opt (mfidoa): New.
2232
2233 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2234
2235         PR middle-end/31322
2236         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2237         when a personality function is used.
2238
2239 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2240
2241         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2242
2243 2007-04-13  Mike Stump  <mrs@apple.com>
2244
2245         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2246         we can...
2247         * config/darwin.opt (fapple-kext): Make C++ only.
2248         * config/darwin.c (darwin_override_options): Remove code to ensure
2249         -fapple-kext is given for C++ only.
2250
2251 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2252
2253         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2254         * config/mips/mips.c (override_options): Call
2255         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2256
2257 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2258
2259         * config/i386/i386.opt (msvr3-shlib): Removed.
2260
2261         * doc/invoke.texi: Remove -msvr3-shlib.
2262
2263 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2264
2265         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2266         with "popcnt" instruction.
2267
2268 2007-04-13  Richard Guenther  <rguenther@suse.de>
2269
2270         PR tree-optimization/21258
2271         * tree-vrp.c (compare_case_labels): New helper.
2272         (find_switch_asserts): New function.
2273         (find_assert_locations): Call it for SWITCH_EXPRs.
2274
2275 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2276
2277         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2278         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2279         check is now implied in X87_FLOAT_MODE_P.
2280         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2281         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2282         (fix_trunc<mode>_i386_fisttp): Ditto.
2283         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2284         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2285         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2286         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2287         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2288         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2289         (unnamed_splitters): Ditto.
2290         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2291         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2292         FIRST_SSE_REG for local functions when SSE math is enabled or
2293         for functions with sseregparm attribute.
2294         (standard_80387_constant_p): Return -1 if mode is not
2295         X87_FLOAT_MODE_P.
2296         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2297         (ix86_expand_compare): Ditto.
2298         (ix86_expand_carry_flag_compare): Ditto.
2299         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2300         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2301         DECIMAL_FLOAT_MODE_P.
2302         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2303         of SCALAR_FLOAT_MODE_P.
2304         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2305         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2306         checks before FLOAT_MODE_P.
2307         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2308         before FLOAT_MODE_P.
2309         [DIV]: Ditto.
2310         [NEG]: Ditto.
2311         [ABS]: Ditto.
2312         [SQRT]: Ditto.
2313         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2314
2315 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2316             Charles Wilson  <libtool@cwilson.fastmail.fm>
2317
2318         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2319         (libgcc.mvars): Don't depend on them.
2320         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2321         * exec-tool.in: New.
2322
2323 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2324
2325         * doc/invoke.text (--help): Document --help=common.
2326
2327 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2328
2329         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2330
2331 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2332
2333         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2334         * genemit.c (main): Emit #include "integrate.h".
2335         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2336         (LOADGP_RTP): New mips_loadgp_style.
2337         * config/mips/mips.h: Include config/vxworks-dummy.h.
2338         (TARGET_RTP_PIC): New macro.
2339         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2340         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2341         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2342         for TARGET_RTP_PIC.
2343         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2344         -mvxworks-pic when using -mrtp and a PIC option.
2345         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2346         for RTP PIC.
2347         (mips_symbolic_constant_p, mips_symbolic_address_p)
2348         (mips_symbol_insns): Handle SYMBOL_HALF.
2349         (override_options): Warn about -G and -mrtp being used together.
2350         Initialize mips_lo_relocs[SYMBOL_HALF].
2351         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2352         (mips_emit_loadgp): Handle LOADGP_RTP.
2353         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2354         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2355         (tablejump): Handle function-relative case table entries if
2356         TARGET_RTP_PIC.
2357         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2358
2359 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2360
2361         * config/mips/mips.md (load_call<mode>): Allow any general register.
2362         destination.
2363         (sibcall_value_internal, sibcall_value_multiple_internal)
2364         (call_value_internal, call_value_split, call_value_multiple_internal)
2365         (call_value_multiple_split): Remove constraints from operand 0.
2366
2367 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2368
2369         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2370         rather than loadgp_noshared.
2371         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2372         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2373         gen_loadgp.
2374         * config/mips/mips.md (loadgp): Rename to...
2375         (loadgp_newabi): ...this.
2376         (loadgp_noshared): Rename to...
2377         (loadgp_absolute): ...this.
2378
2379 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2380
2381         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2382         false for locally-binding symbols.
2383         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2384
2385 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2386
2387         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2388         (SYMBOL_GOT_PAGE_OFST): ...this.
2389         (SYMBOL_GOT_GLOBAL): Rename to...
2390         (SYMBOL_GOT_DISP): ...this.
2391         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2392         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2393         * config/mips/mips.c (mips_global_symbol_p): New function.
2394         (mips_symbol_binds_local_p): Likewise.
2395         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2396         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2397         and mips_symbol_binds_local_p.
2398         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2399         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2400         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2401         SYMBOL_GOTOFF_DISP.
2402         (mips_ok_for_lazy_binding_p): New function.
2403         (mips_load_call_address, mips_expand_call): Use it.
2404         (mips_dangerous_for_la25_p): Likewise.
2405         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2406         (*got_disp<mode>): Use got_disp_operand instead of
2407         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2408         SYMBOL_GOTOFF_GLOBAL.
2409         (*got_page<mode>): Use got_page_ofst_operand instead of
2410         local_got_operand.
2411         * config/mips/predicates.md (const_call_insn_operand): Use
2412         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2413         (global_got_operand): Rename to...
2414         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2415         SYMBOL_GOT_GLOBAL.
2416         (local_got_operand): Rename to...
2417         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2418         of SYMBOL_GOT_LOCAL.
2419
2420 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2421
2422         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2423         TARGET_CALL_CLOBBERED_GP.
2424         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2425         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2426         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2427         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2428         of TARGET_ABICALLS && !TARGET_NEWABI.
2429         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2430         * config/mips/mips.c (mips_load_call_address): Check
2431         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2432         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2433         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2434         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2435         TARGET_ABICALLS && TARGET_NEWABI.
2436         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2437         TARGET_ABICALLS.
2438         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2439         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2440         TARGET_ABICALLS && TARGET_NEWABI.
2441         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2442         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2443         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2444         whether indirect calls must use $25.
2445         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2446         TARGET_ABICALLS.
2447         * config/mips/mips.md (jal_macro): Check flag_pic and
2448         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2449         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2450         instead of TARGET_ABICALLS.
2451         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2452         TARGET_ABICALLS && TARGET_OLDABI.
2453         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2454         (sibcall): In the comment above the define_insn, mention
2455         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2456         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2457         instead of TARGET_ABICALLS.
2458
2459 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2460
2461         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2462         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2463         (MACFLAGS_MATCH_P): New macro.
2464         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2465         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2466         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2467         the other MACFLAG constants.
2468         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2469         (flag_machi): Tighten constraints.  Renumber some of the operands.
2470         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2471         output template.
2472         (flag_machi_parts_acconly): New pattern.
2473         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2474         used.
2475         (flag_macinit1hi): Tighten constraints.
2476         (flag_mul_macv2hi_parts_acconly): New pattern.
2477
2478         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2479         Use a more efficient implementation.
2480         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2481         inline sequences when not optimizing for size.
2482
2483         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2484         movhi_high2low): Delete, merge functionality into...
2485         (packv2hi): ... this pattern.
2486
2487         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2488         * config/bfin/bfin.opt (msim): New option.
2489         (mcpu=): New option.
2490         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2491         (bfin_cpu_t): Typedef of enum bfin_cpu.
2492         (bfin_cpu_type): New declaration.
2493         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2494         -msim and -mcpu= options.
2495         (LIB_SPEC): Likewise.
2496         * config/bfin/bfin.c (bfin_cpu_type): Define.
2497         (bfin_handle_option): Handle -mcpu= option.
2498         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2499         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2500         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2501
2502 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2503
2504         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2505         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2506         (powerpc-wrs-vxworksae): Use ${tm_file}.
2507         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2508         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2509         * config/i386/vx-common.h: New file.
2510
2511 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2512
2513         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2514         of crt0.o%s.
2515
2516 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2517
2518         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2519         ldxtr.
2520
2521 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2522
2523         PR c++/31078
2524         PR c++/31103
2525         * c-common.c (c_build_qualified_type): Set canonical type
2526         appropriately.
2527
2528 2007-04-12  Richard Guenther  <rguenther@suse.de>
2529
2530         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2531         lower bound and element size if lower bound is not zero
2532         or either of the ARRAY_REF operands is set.
2533
2534 2007-04-12  Richard Guenther  <rguenther@suse.de>
2535
2536         PR tree-optimization/24689
2537         PR tree-optimization/31307
2538         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2539         indices by value.
2540         * gimplify.c (canonicalize_addr_expr): To be consistent with
2541         gimplify_compound_lval only set operands two and three of
2542         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2543         it never at this place.
2544         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2545
2546 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2547
2548         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2549         null before emitting a .nsubspa directive.
2550
2551 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2552
2553         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2554         need_to_partition_p if there are no memory statements in the
2555         function.
2556
2557 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2558
2559         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2560         (gcd_of_steps_may_divide_p): New function.
2561         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2562
2563 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2564
2565         * reload.c (find_reloads_toplev, find_reloads_address,
2566         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2567         not a pointer equality test, to decide if we need to call
2568         push_reg_equiv_alt_mem.
2569
2570 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2571
2572         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2573         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2574         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2575
2576 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2577
2578         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2579         vector to be positive.
2580
2581 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2582
2583         PR 30735
2584         PR 31090
2585         * doc/invoke.texi: Document --params max-aliased-vops and
2586         avg-aliased-vops.
2587         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2588         debug_memory_partitions): Move to tree-flow.h
2589         * params.h (AVG_ALIASED_VOPS): Define.
2590         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2591         users.
2592         (mp_info_t): Likewise.
2593         (get_mem_sym_stats_for): New.
2594         (set_memory_partition): Move from tree-flow-inline.h.
2595         (mark_non_addressable): Only clear the set of symbols for the
2596         partition if it exists.
2597         (dump_memory_partitions): Move from tree-ssa-operands.c
2598         (debug_memory_partitions): Likewise.
2599         (need_to_partition_p): New.
2600         (dump_mem_ref_stats): New.
2601         (debug_mem_ref_stats): New.
2602         (dump_mem_sym_stats): New.
2603         (debug_mem_sym_stats): New.
2604         (update_mem_sym_stats_from_stmt): New.
2605         (compare_mp_info_entries): New.
2606         (mp_info_cmp): Call it.
2607         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2608         objects.
2609         (get_mpt_for): Move from tree-ssa-operands.c.
2610         (find_partition_for): New.
2611         (create_partition_for): Remove.
2612         (estimate_vop_reduction): New.
2613         (update_reference_counts): New.
2614         (build_mp_info): New.
2615         (compute_memory_partitions): Refactor.
2616         Document new heuristic.
2617         Call build_mp_info, update_reference_counts,
2618         find_partition_for and estimate_vop_reduction.
2619         (compute_may_aliases): Populate virtual operands before
2620         calling debugging dumps.
2621         (delete_mem_sym_stats): New.
2622         (delete_mem_ref_stats): New.
2623         (init_mem_ref_stats): New.
2624         (init_alias_info): Call it.
2625         (maybe_create_global_var): Remove alias_info argument.
2626         Get number of call sites and number of pure/const call sites
2627         from gimple_mem_ref_stats().
2628         (dump_alias_info): Call dump_memory_partitions first.
2629         (dump_points_to_info_for): Show how many times a pointer has
2630         been dereferenced.
2631         * opts.c (decode_options): For -O2 set --param
2632         max-aliased-vops to 500.
2633         For -O3 set --param max-aliased-vops to 1000 and --param
2634         avg-aliased-vops to 3.
2635         * fortran/options.c (gfc_init_options): Remove assignment to
2636         MAX_ALIASED_VOPS.
2637         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2638         * tree-dfa.c (dump_variable): Dump memory reference
2639         statistics.
2640         Dump NO_ALIAS* settings.
2641         (referenced_var_lookup): Tidy.
2642         (mem_sym_stats): New.
2643         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2644         and ORIG are different SSA names for a memory partition.
2645         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2646         * tree-flow.h (struct mem_sym_stats_d): Define.
2647         (mem_sym_stats_t): Define.
2648         (struct mem_ref_stats_d): Define.
2649         (struct gimple_df): Add field mem_ref_stats.
2650         (enum noalias_state): Define.
2651         (struct var_ann_d): Add bitfield noalias_state.
2652         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2653         debug_mem_ref_stats, debug_memory_partitions,
2654         debug_mem_sym_stats): Declare.
2655         * tree-ssa-structalias.c (update_alias_info): Update call
2656         sites, pure/const call sites and asm sites in structure
2657         returned by gimple_mem_ref_stats.
2658         Remove local variable IS_POTENTIAL_DEREF.
2659         Increase NUM_DEREFS if the memory expression is a potential
2660         dereference.
2661         Call update_mem_sym_stats_from_stmt.
2662         If the memory references memory, call
2663         update_mem_sym_stats_from_stmt for all the direct memory
2664         symbol references found.
2665         (intra_create_variable_infos): Set noalias_state field for
2666         pointer arguments according to the value of
2667         flag_argument_noalias.
2668         * tree-ssa-structalias.h (struct alias_info): Remove fields
2669         num_calls_found and num_pure_const_calls_found.
2670         (update_mem_sym_stats_from_stmt): Declare.
2671         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2672         Set default value to 100.
2673         (PARAM_AVG_ALIASED_VOPS): Define.
2674
2675 2007-04-11  Richard Guenther  <rguenther@suse.de>
2676
2677         PR middle-end/31530
2678         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2679         a * -b + c as c - a * b if we honor sign dependent rounding.
2680
2681 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2682
2683         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2684         bfin_expand_strmov.
2685         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2686         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2687         variables.
2688         (initialize_trampoline): Don't use old-style function definition.
2689         (bfin_secondary_reload): Mark IN_P argument as unused.
2690
2691 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2692
2693         PR tree-optimization/31343
2694         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2695         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2696         * testsuite/gcc.dg/vect/pr31343.c: New.
2697
2698 2007-04-10  Eric Christopher  <echristo@apple.com>
2699
2700         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2701         * config/i386/i386.md (*cmpfp0): Use.
2702         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2703         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2704         (fix_trunc<mode>_i386_fisttp): Ditto.
2705         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2706         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2707         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2708         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2709         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2710         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2711         (unnamed_splitters): Ditto.
2712         * config/i386/i386.c (output_fix_trunc): Assert that
2713         we're not being passed a TFmode operand.
2714
2715 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2716
2717         PR tree-optimization/31526
2718         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2719         n_basic_blocks to find newly added blocks.
2720
2721 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2722
2723         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2724         alternative.
2725         (fix_trunc<mode>si_sse): Ditto.
2726         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2727         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2728         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2729         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2730         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2731         expander using SSEMODEF mode macro.
2732         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2733         expander using SSEMODEF mode macro.
2734         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2735         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2736         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2737         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2738         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2739         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2740         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2741         Macroize insn using X87MODEF mode macro.
2742
2743 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2744
2745         * config/i386/sse.md (sse2_pinsrw): Removed.
2746         (sse2_pextrw): Renamed to ...
2747         (*sse2_pextrw): This.
2748
2749 2007-04-09  Jan Hubicka  <jh@suse.cz>
2750
2751         PR target/27869
2752         * config/i386/sse.md
2753         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2754         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2755         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2756         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2757
2758 2007-04-09  Jan Hubicka  <jh@suse.cz>
2759
2760         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2761         multiple fields of union.
2762
2763 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2764
2765         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2766         (create_preheaders): Check that loops are available.
2767         (fix_loop_structure): Clean up, improve comments.
2768         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2769         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2770         state flags.
2771         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2772         * predict.c (tree_estimate_probability): Do not call
2773         calculate_dominance_info.  Call create_preheaders.
2774         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2775         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2776         flags.
2777         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2778         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2779         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2780         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2781         arguments.
2782
2783 2007-04-08  Jan Hubicka  <jh@suse.cz>
2784
2785         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2786         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2787         * fold-const.c (fold_unary): Use it.
2788
2789 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2790
2791         * varasm.c (assemble_variable): Remove call to
2792         lang_hooks.decls.prepare_assemble_variable.
2793         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2794         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2795         * langhooks.h (lang_hooks_for_decls): Remove
2796         prepare_assemble_variable.
2797
2798 2007-04-08  Mike Stump  <mrs@apple.com>
2799
2800         * config/i386/i386.c: Use inc/dec on Core2.
2801
2802 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2803
2804         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2805         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2806         lhd_tree_inlining_end_inlining): Remove.
2807         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2808         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2809         end_inlining hooks.
2810         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2811         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2812         lhd_tree_inlining_end_inlining): Remove prototypes.
2813         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2814         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2815         LANG_HOOKS_TREE_INLINING_START_INLINING,
2816         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2817
2818         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2819         not set it.
2820
2821 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2822
2823         PR target/29932
2824         * config/avr/predicates.md (io_address_operand): Delete predicate.
2825         (low_io_address_operand): Don't use 'mode' argument.
2826         (higth_io_address_operand): Rename ...
2827         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2828         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2829         for above change.
2830
2831 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2832
2833         Revert change removing staticp.
2834
2835 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2836
2837         PR target/30289
2838         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2839         earlyclobber.
2840
2841 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2842
2843         * c.opt: Add -Wformat-contains-nul.
2844         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2845           -Wformat setting.
2846         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2847         the NUL byte warning.
2848
2849 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2850
2851         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2852
2853 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2854
2855         * tree.c (staticp): No longer use staticp langhook.
2856         * langhooks.c (lhd_staticp): Removed.
2857         * langhooks.h (struct lang_hooks): Remove staticp.
2858         * c-common.c (c_staticp): Remove.
2859         * c-common.h (c_staticp): Ditto.
2860         * langhooks-defs.h (lhd_staticp): Ditto.
2861         (LHD_HOOKS_STATICP): Ditto
2862         * tree.h (gcc_assert_lowered): New macro.
2863
2864 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2865
2866         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2867         argument "reliable".
2868         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2869         Add argument "reliable".  Propagate it through calls.
2870         (infer_loop_bounds_from_undefined):  Derive number of iterations
2871         estimates from references in blocks that do not dominate loop latch.
2872         (gcov_type_to_double_int): New function.
2873         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2874         and expected_loop_iterations_unbounded.
2875         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2876         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2877         * tree-data-ref.c (estimated_loop_iterations): Export.
2878         (get_references_in_stmt): Fix -- do not return addresses of local
2879         objects.
2880         * cfgloop.h (expected_loop_iterations_unbounded,
2881         estimated_loop_iterations): Declare.
2882
2883 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2884
2885         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2886
2887 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2888
2889         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2890         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2891         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2892         Use output_387_reg_move().
2893         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2894         expander using X87MODEF12 mode macro.
2895         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2896         choosing register preferences.  Use output_387_reg_move().
2897         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2898         instead of "x".  Use output_387_reg_move().
2899         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2900         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2901         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2902         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2903         Use output_387_reg_move().
2904         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2905         mode macro.
2906         (*truncxf?f_i387 splitter): Ditto.
2907
2908 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2909
2910         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2911         LANG_HOOKS_SAFE_FROM_P.
2912         * expr.c (safe_from_p): Remove langhook call.
2913         * langhooks.h (lang_hooks): Remove safe_from_p.
2914         (lhd_safe_from_p): Remove prototype.
2915         * langhooks.c (lhd_safe_from_p): Remove.
2916
2917 2007-04-06  Jan Hubicka  <jh@suse.cz>
2918
2919         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2920         functions.
2921
2922 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2923
2924         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2925         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2926         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2927         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2928         alternative.
2929         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2930         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2931
2932 2007-04-05  Richard Henderson  <rth@redhat.com>
2933
2934         * config/alpha/alpha.c (print_operand) [+]: Remove.
2935         (alpha_end_function): Print nop if call at end of function.
2936         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2937         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2938         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2939         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2940         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2941         the call pattern. Update peepholes to match.
2942
2943 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2944
2945         * doc/extend.texi (Other Builtins): Add decimal float variants
2946         of signbit.
2947         * builtins.def: Ditto.
2948         * builtins.c (expand_builtin): Ditto.
2949
2950 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2951             H.J. Lu  <hongjiu.lu@intel.com>
2952
2953         PR target/31478
2954         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2955         of V8HImode when calling ix86_binary_operator_ok.
2956         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2957         (sdot_prodv8hi): Operands 1 and 2 must be register.
2958
2959 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2960
2961         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2962         initialize align to silence bogus warning.
2963
2964 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2965
2966         PR middle-end/22156
2967         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2968         all_no_warning.
2969         (struct sra_walk_fns): Remove use_all parameter from use.
2970         (sra_hash_tree): Handle BIT_FIELD_REFs.
2971         (sra_elt_hash): Don't hash bitfld blocks.
2972         (sra_elt_eq): Skip them in parent compares as well.  Handle
2973         BIT_FIELD_REFs.
2974         (sra_walk_expr): Don't maintain or pass down use_all_p.
2975         (scan_use): Remove use_all parameter.
2976         (scalarize_use): Likewise.  Re-expand assignment to
2977         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2978         output, and re-scalarize after output.  Don't mark anything
2979         for no warning.
2980         (scalarize_ldst): Adjust.
2981         (scalarize_walk_gimple_modify_statement): Likewise.
2982         (build_element_name_1): Handle BIT_FIELD_REFs.
2983         (instantiate_element): Don't warn for any element whose parent
2984         is used as a whole.
2985         (instantiate_missing_elements_1): Return the sra_elt.
2986         (canon_type_for_field): New.
2987         (try_instantiate_multiple_fields): New.
2988         (instantiate_missing_elemnts): Use them.
2989         (mark_no_warning): Removed.
2990         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2991         (REPLDUP, sra_build_elt_assignment): New.
2992         (generate_copy_inout): Use them.
2993         (generate_element_copy): Likewise.  Handle bitfld differences.
2994         (generate_element_zero): Don't recurse for blocks.  Use
2995         sra_build_elt_assignment.
2996         (generate_one_element_int): Take elt instead of var.  Use
2997         sra_build_elt_assignment.
2998         (generate_element_init_1): Adjust.
2999         (scalarize_use, scalarize_copy): Use REPLDUP.
3000         (scalarize_ldst): Move assert before dereference.
3001         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3002
3003 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3004
3005         * regmove.c: Fix unused variable warnings due to previous commit.
3006
3007 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3008
3009         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3010         (regmove_bb_head): Remove.
3011         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3012         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3013         problems with fixup_match_1.
3014         Don't initialize/free regmove_bb_head.
3015
3016         (reg_is_remote_constant_p): If an insn is in the same basic block
3017         but not before INSN, consider it remote, too.
3018
3019 2007-04-05  Anatoly Sokolov <aesok@post.ru>
3020
3021         PR target/25448
3022         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3023         DECL_ASSEMBLER_NAME, not the DECL_NAME.
3024
3025 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
3026
3027         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3028         (CONDITIONAL_REGISTER_USAGE): Likewise.
3029
3030 2007-04-04  Richard Henderson  <rth@redhat.com>
3031
3032         * config/alpha/lib1funcs.asm: Remove unused file.
3033
3034 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3035
3036         PR other/31356
3037         * opts.c (print_specific_help): Fix --help=<language>
3038         header line.
3039         (common_handle_option): Support --help=common.
3040
3041 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3042
3043         PR other/31353
3044         * gcc.c (main): Do not run the linker if
3045         print_subprocess_help indicates that it shouldn't be
3046         run.
3047
3048 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3049
3050         PR doc/31355
3051         * doc/invoke.texi (--help=): Document <languages> value, fix
3052         formatting in tables of values.
3053
3054 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
3055
3056         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3057         dllimport attribute of virtual methods.
3058
3059 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
3060
3061         * config/score/crti.asm: Change _bss_start to __bss_start.
3062         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3063         (OUTGOING_REG_PARM_STACK_SPACE) update.
3064         * config/score/score.opt: add options to make backend support
3065         score5, score5u, score7 and score7d.
3066         * config/score/score.md: Likewise.
3067         * config/score/misc.md: Likewise.
3068         * config/score/mac.md: Likewise.
3069         * doc/invoke.texi: Likewise.
3070         * doc/md.texi: update constraints define.
3071
3072 2007-04-03  Richard Henderson  <rth@redhat.com>
3073
3074         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3075         an appropriate type, use the mode instead.
3076
3077 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
3078
3079         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3080         Set the default --with-arch setting to mips2.
3081         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3082         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3083         (MULTILIB_OSDIRNAMES): Delete.
3084         (MULTILIB_DIRNAMES): Define.
3085         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3086         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3087         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3088         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
3089         VXWORKS_OS_CPP_BUILTINS.
3090         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3091         (MIPS_DEBUGGING_INFO): Undefine.
3092         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3093
3094 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
3095
3096         PR middle-end/30704
3097         * fold-const.c (native_encode_real): Encode real.c provided longs
3098         as a series of 32-bit native integers.
3099         (native_interpret_real): Interpret buffer as a series of 32-bit
3100         native integers.
3101
3102 2007-04-03  Richard Guenther  <rguenther@suse.de>
3103
3104         * genpreds.c (write_insn_constraint_len): Write function
3105         optimized for CONSTRAINT_LEN implementation.
3106         (write_tm_preds_h): Output insn_constraint_len inline and
3107         use it for CONSTRAINT_LEN.
3108         (write_insn_preds_c): Don't output insn_constraint_len.
3109         * doc/md.texi (define_register_constraint): Document multi-letter
3110         constraints shall have the same length if they start with the same
3111         letter.
3112
3113 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3114
3115         PR target/31175
3116         * config/i386/i386.md (isinf<mode>2): Expand only when
3117         TARGET_C99_FUNCTIONS is set.
3118
3119 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3122         (x86_64-*-linux*): Ditto.
3123         * config/i386/i386.opt (mpc): New option.
3124         * config/i386/i386.c (overrride_options): Handle
3125         ix87_precision_string.
3126         * config/i386/crtprec.c: New file.
3127         * config/i386/t-crtpc: Ditto.
3128         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3129         and -mpc80 options.
3130         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3131         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3132         crtprec32.o, crtprec64.o and crtprec80.o.
3133
3134         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3135         and -mpc80 options.
3136         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3137
3138 2007-04-02  Eric Christopher  <echristo@apple.com>
3139
3140         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3141         limitations on darwin.
3142
3143 2007-04-02  Anatoly Sokolov <aesok@post.ru>
3144
3145         PR target/31137
3146         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3147
3148 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3149
3150         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3151
3152 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3153
3154         * libgcc2.h (exception_descriptor): Don't forward-declare.
3155         (__get_eh_table_language, __get_eh_table_version): Delete
3156         prototypes of long-dead functions.
3157
3158 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
3159
3160         * ebitmap.h: New file
3161         * ebitmap.c: New file
3162         * Makefile.in (ebitmap.o): New target.
3163
3164 2007-04-01  Jan Hubicka  <jh@suse.cz>
3165
3166         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3167         before very first instruction.
3168
3169 2007-04-01  Jan Hubicka  <jh@suse.cz>
3170
3171         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3172         waring on 64bit hosts.
3173         * bitmap.h: Fix typo in bitmap_head_def.
3174
3175 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3176
3177         PR rtl-optimization/31391
3178         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3179         into a DELETED_LABEL note, and the label is in an empty basic
3180         block, update BB_END as well as BB_HEAD.
3181
3182 2007-04-01  Richard Henderson  <rth@redhat.com>
3183
3184         PR tree-optimization/31169
3185         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3186         to varying if the range is outside [0,  prec-1].
3187
3188 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
3189
3190         PR target/31388
3191         * config/mips/mips.md (load_const_gp): New insn.
3192         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3193         the MIPS16 GP pseudo register if no_new_pseudos.
3194         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3195
3196 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3197
3198         PR target/31364
3199         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3200         secureplt.
3201         (call_value): Likewise.
3202
3203 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
3204             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3205
3206         PR 14737
3207         * doc/invoke.texi: (optimization options): Reword description
3208         of -ffast-math. Document its primary purpose.
3209
3210 2007-03-31  Richard Guenther  <rguenther@suse.de>
3211
3212         * omp-low.c (splay-tree.h): Include.
3213         (lookup_decl): Replace splay-tree usage by pointer-map.
3214         (maybe_lookup_decl): Likewise.
3215         (new_omp_context): Likewise.
3216         (delete_omp_context): Likewise.
3217         * gimplify.c (splay-tree.h): Include.
3218         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3219         pointer-map.
3220         (remap_ssa_name): Likewise.
3221         (remap_decl): Likewise.
3222         (remap_type_1): Likewise.
3223         (remap_type): Likewise.
3224         (copy_body_r): Likewise.
3225         (expand_call_inline): Likewise.
3226         (clone_body): Likewise.
3227         (copy_tree_r): Likewise.
3228         (remap_save_expr): Likewise.
3229         (unsave_r): Likewise.
3230         (unsave_expr_now): Likewise.
3231         (tree_function_versioning): Likewise.
3232         (build_duplicate_type): Likewise.
3233         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3234         (struct copy_body_data): Replace splay-tree by pointer-map.
3235         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3236         not $(SPLAY_TREE_H).
3237         (gimplify.o): Depend on $(SPLAY_TREE_H).
3238         (omp-low.p): Likewise.
3239
3240 2007-03-31  Anatoly Sokolov <aesok@post.ru>
3241
3242         * config/avr/predicates.md (even_register_operand,
3243         odd_register_operand): New predicates.
3244         * config/avr/avr.md (movw peephole2): New.
3245         (movw_r peephole2): New.
3246
3247 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3248
3249         * tree.h (get_signed_or_unsigned_type): New.
3250         * fold-const.c (operand_equal_for_comparison_p): Use
3251         get_signed_or_unsigned_type instead of
3252         lang_hooks.types.signed_or_unsigned_type.
3253         * expr.c (store_expr): Ditto.
3254         * langhooks.c (get_signed_or_unsigned_type): New.
3255         (lhd_signed_or_unsigned_type): New.
3256         * langhooks.h (lhd_signed_or_unsigned_type): New.
3257         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3258
3259 2007-03-30  Richard Henderson  <rth@redhat.com>
3260
3261         * tree-ssa-loop-ivopts.c: Include target.h.
3262         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3263         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3264         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3265         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3266
3267 2007-03-30  Richard Henderson  <rth@redhat.com>
3268             Kai Tietz  <kai.tietz@onevision.com>
3269
3270         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3271         default for 64-bit.
3272         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3273         (TARGET_64BIT_MS_ABI): New.
3274         (DBX_REGISTER_NUMBER): Handle 64-bit.
3275         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3276         (LONG_TYPE_SIZE): Force to 32.
3277         (REG_PARM_STACK_SPACE): New.
3278         (OUTGOING_REG_PARM_STACK_SPACE): New.
3279         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3280         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3281         (STACK_BOUNDARY): Use 128 for 64-bit.
3282         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3283         Add 64-bit implementation.
3284         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3285         argument unused.
3286         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3287         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3288         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3289         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3290         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3291         TARGET_64BIT_MS_ABI.
3292         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3293         (ix86_pass_by_reference): Likewise.
3294         (ix86_function_value_regno_p): Likewise.
3295         (ix86_build_builtin_va_list): Likewise.
3296         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3297         (function_arg_advance_ms_64): New.
3298         (function_arg_advance): Call it.
3299         (function_arg_ms_64): New.
3300         (function_arg): Call it.
3301         (function_value_ms_64): New.
3302         (ix86_function_value_1): Call it.
3303         (return_in_memory_ms_64): New.
3304         (ix86_return_in_memory): Call it.
3305         (setup_incoming_varargs_ms_64): New.
3306         (ix86_setup_incoming_varargs): Call it.
3307         (ix86_expand_prologue): Handle 64-bit stack probing.
3308         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3309         (output_pic_addr_const): Likewise.
3310         (x86_this_parameter): Likewise.
3311         (x86_output_mi_thunk): Likewise.
3312         (x86_function_profiler): Likewise.
3313         (TARGET_STRICT_ARGUMENT_NAMING): New.
3314         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3315         (TARGET_64BIT_MS_ABI): New.
3316         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3317         * config/i386/i386.md (allocate_stack_worker): Remove.
3318         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3319         describe the clobber of eax without a match_scratch.
3320         (allocate_stack_worker_postreload): Remove.
3321         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3322         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3323         (allocate_stack_worker_rex64_postreload): Remove.
3324         (allocate_stack): Handle 64-bit.
3325         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3326         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3327         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3328         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3329         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3330         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3331         * config.build (x86_64-*-mingw*): New host.
3332         * config.host (x86_64-*-mingw*): New host.
3333         * config.gcc (x86_64-*-mingw*): New target.
3334         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3335
3336 2007-03-30  Richard Henderson  <rth@redhat.com>
3337             Kai Tietz  <kai.tietz@onevision.com>
3338
3339         * c-pragma.c (struct def_pragma_macro_value): New.
3340         (struct def_pragma_macro): New.
3341         (pushed_macro_table): New.
3342         (dpm_hash, dpm_eq): New.
3343         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3344         (init_pragma): Install them.
3345         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3346
3347 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3348
3349         * config/avr/avr.c (avr_override_options): Clear
3350         'flag_delete_null_pointer_checks'.
3351
3352 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3353
3354         PR c++/26099
3355         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3356         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3357         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3358         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3359         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3360         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3361         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3362         C++ extensions.
3363         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3364
3365 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3366
3367         * regmove.c: Move all of pass_stack_adjustments from here...
3368         * combine-stack-adj.c: ...to this new file.
3369         * Makefile.in: Add rules for combine-stack-adj.o.
3370
3371 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3372
3373         PR tree-optimization/31383
3374         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3375         to have the same length.
3376
3377 2007-03-30  Jan Hubicka  <jh@suse.cz>
3378
3379         PR middle-end/30700
3380         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3381         availablility; add more sanity checking; ask varpool only about
3382         VAR_DECL.
3383
3384 2007-03-29  Richard Henderson  <rth@redhat.com>
3385
3386         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3387         to decide, but __SIZEOF_LONG_LONG__.
3388
3389 2007-03-29  Richard Henderson  <rth@redhat.com>
3390
3391         * emutls.c (struct __emutls_array): New.
3392         (emutls_destroy): Use it instead of casting element 0 from void*.
3393         (__emutls_get_address): Likewise.
3394
3395 2007-03-29  Richard Henderson  <rth@redhat.com>
3396
3397         * varasm.c (initializer_constant_valid_p): Don't deny
3398         DECL_DLLIMPORT_P on functions.
3399
3400         * config/i386/cygming.h: Remove function declarations.
3401         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3402         (ASM_OUTPUT_LABELREF): Remove.
3403         (COMMON_ASM_OP): Remove.
3404         (ASM_OUTPUT_COMMON): Remove.
3405         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3406         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3407         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3408         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3409         Rename from TARGET_ENCODE_SECTION_INFO.
3410         * config/i386/netware.h: Likewise.
3411         * config/i386/i386-protos.h: Update.
3412         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3413         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3414         (legitimate_constant_p): Reject dllimports.
3415         (dllimport_map, get_dllimport_decl): New.
3416         (legitimize_dllimport_symbol): New.
3417         (legitimize_address, ix86_expand_move): Use it.
3418         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3419         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3420         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3421         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3422         * config/i386/predicates.md (constant_call_address_operand): Only
3423         accept symbols; reject dllimport_p symbols.
3424         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3425         i386_pe_maybe_record_exported_symbol.
3426         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3427         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3428         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3429         trust the setting of DECL_DLLIMPORT_P.
3430         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3431         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3432         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3433         tidy the argument scanning loop.
3434         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3435         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3436         (i386_pe_strip_name_encoding): Remove.
3437         (i386_pe_binds_local_p): New.
3438         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3439         (i386_pe_output_labelref): Remove.
3440         (i386_pe_asm_output_aligned_decl_common): New.
3441         (i386_pe_maybe_record_exported_symbol): Rename from
3442         i386_pe_record_exported_symbol; check for dllexported symbols.
3443
3444 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3445
3446         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3447         add comment explaining why vsnprintf cannot be used.
3448
3449 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3450
3451         PR tree-optimization/30666
3452         * tree.c (build_complex_type): When creating type names for DWARF2
3453         debug info, create TYPE_DECLs for TYPE_NAME instead of
3454         IDENTIFIER_NODEs.
3455         (build_common_tree_nodes_2): Use build_complex_type when building
3456         predefined complex types, to preserve canonical types.
3457
3458 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3459
3460         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3461         (noce_get_alt_condition): Look at it to determine whether to
3462         reverse the condition or not.
3463         (noce_get_condition): Substitute the truth for lies.
3464         (noce_find_if_block): Set the then_else_reversed field.
3465
3466 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3467
3468         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3469         destination of this insn.
3470         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3471         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3472         'address + 4' rather than a stack based temporary which can be
3473         mis-optimized away.
3474
3475 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3476
3477         * config/s390/s390.c (s390_secondary_input_reload_class,
3478         s390_secondary_output_reload_class): Functions removed.
3479         (s390_secondary_reload): New function.
3480         (TARGET_SECONDARY_RELOAD): Target macro defined.
3481         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3482         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3483         * config/s390/s390.md ("reload_outti", "reload_outdi",
3484         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3485         "reload_out<mode>"): Expanders removed.
3486         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3487         "reload<mode>_nonoffmem_out"): Expanders added.
3488
3489 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3490
3491         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3492         SRC->DEST replacement failed anyway.
3493
3494 2007-03-28  Mike Stump  <mrs@apple.com>
3495
3496         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3497         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3498         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3499
3500 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3501
3502         * config.gcc: Accept barcelona as a variant of amdfam10.
3503         * config/i386/i386.c (override_options): Likewise.
3504         * doc/invoke.texi: Likewise.
3505
3506 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3507
3508         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3509         offsets for BIT_FIELD_REF and COMPONENT_REF.
3510
3511 2007-03-28  Richard Guenther  <rguenther@suse.de>
3512
3513         * tree.c (is_global_var): Move ...
3514         * tree-flow-inline.h (is_global_var): ... here.
3515         * tree.h (is_global_var): Remove declaration.
3516
3517 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3518
3519         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3520         option.
3521         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3522         * config/i386/i386.c (ix86_tune_features): Initialize new
3523         tuning option.
3524         * config/i386/predicates.md (promotable_binary_operator): Use
3525         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3526
3527 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3528
3529         PR target/31380
3530         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3531
3532 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3533
3534         * config/fr30/fr30.md (movsi_internal): Change destination
3535         constraint from m to V and add m to the end.
3536
3537 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3538
3539         * config/sh/sh.md (movsi_i): Fix type attribute.
3540
3541 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3542
3543         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3544         (movsf_ie): Likewise.
3545
3546 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3547
3548         * config.gcc: Add sh4-300 to multilib.
3549         * config/sh/t-mlib-sh4-300: New file.
3550
3551 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3552
3553         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3554         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3555         fix_trunc<mode>di2.
3556         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3557         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3558         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3559         "fixuns_trunctddi2"): Whitespace fix.
3560
3561 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3562
3563         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3564         the definition of struct sh_args.
3565         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3566         CALL_COOKIE_INT_REG_GET): Likewise.
3567
3568 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3569
3570         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3571         transformations are applied successfully.
3572
3573 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3574
3575         * tree.c (tree_contains_struct): Permit 512 tree codes.
3576         * tree.h (tree_contains_struct): Ditto.
3577         (MAX_TREE_CODES): Ditto.
3578         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3579         SPARE member to store remaining padding bits.
3580
3581 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3582
3583         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3584         architecture.
3585
3586 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3587
3588         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3589         * configure: Regenerate.
3590
3591         * configure: Regenerate using the correct version of autoconf.
3592
3593 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3594
3595         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3596         pointer regs.
3597         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3598         regs to "__SP_L__" and "__SP_H__".
3599
3600 2007-03-27  Richard Guenther  <rguenther@suse.de>
3601
3602         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3603         computations with it with a HOST_WIDE_INT variable.
3604
3605 2007-03-26  Mike Stump  <mrs@apple.com>
3606
3607         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3608         objective-c-header, objective-c++-header and objc++-cpp-output
3609         support.
3610         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3611
3612 2007-03-26  Richard Henderson  <rth@redhat.com>
3613
3614         PR target/31361
3615         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3616         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3617         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3618         IX86_BUILTIN_PSRLQ128): New.
3619         (ix86_init_mmx_sse_builtins): Add them.
3620         (ix86_expand_builtin): Expand them.
3621         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3622         operand 2 be TImode.
3623         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3624         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3625         _mm_srli_epi64): Mark __B const.
3626         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3627         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3628         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3629         new two-vector shift builtins.
3630
3631 2007-03-26  Ian Lance Taylor  <iant@google.com>
3632
3633         PR tree-optimization/31345
3634         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3635         [+INF, +INF(OVF)] into VARYING.
3636
3637 2007-03-26  Zack Weinberg  <zackw@panix.com>
3638
3639         * gengtype-parse.c: New file.
3640         * gengtype-yacc.y: Delete.
3641         * gengtype-lex.l: Don't include gengtype-yacc.h.
3642         Define YY_DECL and yyterminate appropriately for recursive
3643         descent parser.  yylval is now a string out-parameter to yylex.
3644         (HWS, EOID): New shorthand.
3645         (IWORD): Add a couple more types.
3646         (yylex): Add a setup stanza.  Remove the complex rules for
3647         detecting GTY'ed types and typedefs; replace with simple
3648         keyword detectors.  Adjust everything for the changed
3649         definition of yylval.  Ignore all pp-directives, not just #define.
3650         (yyerror): Delete.
3651         (parse_file): Rename yybegin; do not call yyparse.
3652         (yyend): New.
3653         * gengtype.c (xasprintf): Export again.
3654         (this_file): New.  Use everywhere __FILE__ was being used.
3655         (get_lang_bitmap): Special case types defined in gengtype.c.
3656         (do_typedef, new_structure): Suppress definition of certain types.
3657         (new_structure): Improve diagnostics of duplicate definitions.
3658         Make sure location_s is associated with input.h.
3659         (nreverse_pairs, define_location_structures): New functions.
3660         (main): Improve tagging of kludge types.  Remove old kludges
3661         for input.h types; use define_location_structures.
3662         * gengtype.h: Update prototypes.  Define token codes here.
3663         * Makefile.in: Remove all references to gengtype-yacc.
3664         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3665         and gengtype.
3666         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3667         add GTY((skip)) to the field that's only conditionally there.
3668         * doc/install.texi: Document that Bison is no longer required
3669         unless building treelang.
3670
3671         * gengtype.c: Don't include gtyp-gen.h.
3672         (srcdir): Declare here.
3673         (base_files, lang_dir_names): Allocate dynamically.
3674         (gt_files, num_gt_files, num_lang_dirs): New globals.
3675         (measure_input_list, read_input_line, read_input_list)
3676         (set_lang_bitmap): New functions.
3677         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3678         simplify, relying on read_input_list to set up the bitmaps.
3679         (main): Arguments are no longer unused.  Check for correct number
3680         of command line arguments, set srcdir and srcdir_len, then call
3681         read_input_list, before doing anything else.  No need to worry
3682         about duplicates in main loop.
3683         * configure.ac: Simplify the calculation of all_gtfiles.
3684         Put language tags in there.  Don't set or substitute
3685         all_gtfiles_files_langs or all_gtfiles_files_frags.
3686         * Makefile.in: Revamp the way gengtype is invoked, now that it
3687         takes a file on its command line with a much simpler format.
3688         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3689         (GTFILES): Remove duplicates and C source files.
3690         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3691         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3692         * configure: Regenerate.
3693
3694         * gengtype.h: Remove all type definitions to gengtype.c; leave
3695         only definitions of options_p, type_p, and pair_p as opaque
3696         pointers.  Update prototypes.
3697         * gengtype.c: Many type definitions moved here from gengtype.h.
3698         Consolidate type definitions at the top of the file.
3699         (xvasprintf): Delete.
3700         (xasprintf): Make static.
3701         (create_nested_pointer_option): Add 'next' parameter.
3702         (create_field_all, create_field_at): New functions.
3703         (create_field): Now a thin wrapper around create_field_all.
3704         (create_optional_field): Rename create_optional_field_ and add
3705         line argument.  Original name is now a macro which supplies
3706         __LINE__.
3707         (oprintf): Use vsnprintf directly.
3708         (close_output_files): Use fatal rather than perror/exit.
3709         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3710         (main): Set progname.  Don't use exit.
3711         * gengtype-yacc.y (struct_fields): Use create_field_at.
3712         (option, optionseqopt): Delete.
3713         (optionseq): Consolidate productions from option here so we
3714         can use the first argument to create_option.
3715
3716         * gengtype-lex.l: Distinguish unions from structures in the
3717         token type.  Don't call find_structure; return the tag as a string.
3718         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3719         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3720         Reorganize typedef_struct production accordingly.
3721         Use create_nested_ptr_option.
3722         * gengtype.c (create_nested_ptr_option): New function.
3723         * gengtype.h: Declare it.
3724
3725         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3726         (string_type): Don't declare.
3727         (do_scalar_typedef): Declare.
3728         (create_scalar_type): Update prototype.
3729         * gengtype.c (string_type): Make static.
3730         (scalar_nonchar, scalar_char): New.
3731         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3732         (resolve_typedef): Use scalar_nonchar for error recovery.
3733         (create_scalar_type): Remove name_len field.  Return scalar_char
3734         or scalar_nonchar as appropriate.
3735         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3736         to use string_type.
3737         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3738         whenever possible.
3739         (main): Initialize scalar_char and scalar_nonchar before calling
3740         gen_rtx_next.
3741         * gengtype-lex.l: Adjust for removal of second argument to
3742         create_scalar_type.  Use yylval.s instead of yylval.t when
3743         returning SCALAR.
3744         * gengtype-yacc.y: Type of SCALAR is string.  Call
3745         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3746         second argument to create_scalar_type.
3747
3748         * vec.h: Remove all #if IN_GENGTYPE blocks.
3749         Add comment saying that changes may require adjustments to gengtype.
3750         * gengtype.c: Don't include coretypes.h or tm.h.
3751         Add comment to inclusion of errors.h.
3752         (note_def_vec, note_def_vec_alloc): New functions.
3753         * gengtype.h: Declare new functions.
3754         * gengtype-lex.l: Don't include coretypes.h.
3755         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3756         Delete.
3757         (update_lineno): Remove unnecessary prototype.
3758         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3759         (VEC rule): Just return VEC_TOKEN.
3760         * gengtype-yacc.y (VEC_TOKEN): New token type.
3761         (type): Add a production for VEC(a,b).
3762         * Makefile.in: Update dependencies.
3763
3764         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3765         typedefs that use the old PARAMS macro.
3766
3767         * gengtype-lex.l: Remove all rules and states relating to yacc
3768         input files.
3769         * gengtype-yacc.y: Similarly.
3770         * gengtype.c (note_yacc_type): Delete function.
3771         * gengtype.h: Update prototypes.
3772
3773 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3774
3775         * tree-pretty-print.c (dump_generic_node): Report precision of
3776         unnamed integer types.
3777
3778 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3779
3780         * ifcvt.c (noce_try_store_flag_constants): Don't check
3781         no_new_pseudos here.
3782         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3783         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3784         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3785         noce_try_sign_mask): Likewise.
3786         (if_convert): Check no_new_pseudos here.
3787
3788         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3789         Remove prototypes.
3790         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3791         (noce_get_condition): Handle new then_else_reversed argument.
3792         (noce_init_if_info): Remove, fold into noce_find_if_block.
3793         (noce_process_if_block): Take a struct noce_if_info as the
3794         argument.  Don't set up one based on ce_if_info.  Update pointer
3795         references accordingly.
3796         (cond_move_process_if_block): Likewise.
3797         (process_if_block): Removed.
3798         (find_if_block): Removed.  Move functionality two new functions,
3799         noce_find_if_block and cond_exec_find_if_block.
3800         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3801         blocks and the symmetric IF-ELSE-JOIN case.
3802         (cond_exec_find_if_block): Also new function mostly based on old
3803         find_if_block and process_if_block.
3804         (find_if_header): Replace find_if_block call with separately
3805         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3806         (find_cond_trap): Update noce_get_condition call.
3807         (dead_or_predicable): Likewise.
3808
3809 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3810
3811         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3812         Remove.
3813         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3814         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3815         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3816         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3817         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3818         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3819         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3820         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3821         __builtin_ia32_psrad128 builtins.
3822
3823 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3824
3825         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3826         * config/i386/constraints.md
3827         (define_constraint "I"): Use IN_RANGE macro.
3828         (define_constraint "J"): Ditto.
3829         (define_constraint "K"): Ditto.
3830         (define_constraint "M"): Ditto.
3831         (define_constraint "N"): Ditto.
3832         (define_constraint "O"): Ditto.
3833         * config/i386/predicates.md
3834         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3835         (define_predicate "const_0_to_3_operand"): Ditto.
3836         (define_predicate "const_0_to_7_operand"): Ditto.
3837         (define_predicate "const_0_to_15_operand"): Ditto.
3838         (define_predicate "const_0_to_63_operand"): Ditto.
3839         (define_predicate "const_0_to_255_operand"): Ditto.
3840         (define_predicate "const_1_to_31_operand"): Ditto.
3841         (define_predicate "const_2_to_3_operand"): Ditto.
3842         (define_predicate "const_4_to_7_operand"): Ditto.
3843
3844 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3845
3846         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3847         in SImode for save_world.
3848         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3849         LR hard reg.
3850
3851 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3852
3853         PR tree-optimization/30784
3854         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3855         BIT_FIELD_REF.
3856
3857 2007-03-25  Revital Eres  <eres@il.ibm.com>
3858
3859         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3860           Fold movement_possibility function into it.
3861
3862 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3863
3864         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3865         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3866         (call_indirect_nonlocal_darwin64): Same.
3867         (call_nonlocal_darwin64): Same.
3868         (call_value_indirect_nonlocal_darwin64): Same.
3869         (call_value_nonlocal_darwin64): Same.
3870         (sibcall_nonlocal_darwin64): Same.
3871         (sibcall_value_nonlocal_darwin64): Same.
3872         (sibcall_symbolic_64): Same.
3873         (sibcall_value_symbolic_64): Same.
3874         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3875         LR pseudo.
3876         (rs6000_emit_load_toc_table): Same.
3877         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3878         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3879         (mull_call): Same.
3880         (divss_call): Same.
3881         (divus_call): Same.
3882         (quoss_call): Same.
3883         (quous_call): Same.
3884         (load_toc_v4_pic_si): Same
3885         (load_toc_v4_PIC_1): Same.
3886         (load_toc_v4_PIC_1b): Same.
3887         (call_indirect_aix{32,64}): Same.
3888         (call_value_indirect_aix{32,64}): Same.
3889         (call): Same.
3890         (call_value): Same.
3891         (call_local{32,64}): Same.
3892         (call_value_local{32,64}): Same.
3893         (call_indirect_nonlocal_aix{32,64}): Same.
3894         (call_nonlocal_aix{32,64}): Same.
3895         (call_value_indirect_nonlocal_aix{32,64}): Same.
3896         (call_value_nonlocal_aix{32,64}): Same.
3897         (call_indirect_nonlocal_sysv<mode>): Same.
3898         (call_nonlocal_sysv<mode>): Same.
3899         (call_value_indirect_nonlocal_sysv<mode>): Same.
3900         (call_value_nonlocal_sysv<mode>): Same.
3901         (sibcall): Same.
3902         (sibcall_local{32,64}): Same.
3903         (sibcall_value_local{32,64}): Same.
3904         (sibcall_nonlocal_aix{32,64}): Same.
3905         (sibcall_value_nonlocal_aix{32,64}): Same.
3906         (sibcall_nonlocal_sysv<mode>): Same.
3907         (sibcall_value): Same.
3908         (sibcall_value_nonlocal_sysv<mode>): Same.
3909
3910 2007-03-24  Paul Brook  <paul@codesourcery.com>
3911
3912         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3913         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3914
3915 2007-03-24  Richard Henderson  <rth@redhat.com>
3916
3917         * config/ia64/constraints.md: New file.
3918         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3919         satisfies_constraint_?.
3920         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3921         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3922         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3923         ia64_output_mi_thunk): Likewise.
3924         (ia64_const_ok_for_letter_p): Remove.
3925         (ia64_const_double_ok_for_letter_p): Remove.
3926         (ia64_extra_constraint): Remove.
3927         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3928         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3929         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3930         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3931         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3932         EXTRA_MEMORY_CONSTRAINT): Remove.
3933         * config/ia64/ia64.md: Include constriants.md.  Replace
3934         CONST_OK_FOR_? with satisfies_constraint_?.
3935
3936 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3937             H.J. Lu  <hongjiu.lu@intel.com>
3938
3939         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3940         DPD or BID name.
3941         (name macros): Use DPD_BID_NAME to convert names properly.
3942
3943         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3944         decimal floating point format.
3945         (init_floating_libfuncs): Change decimal functions so that they
3946         have a "bid_" prefix if the decimal system uses the BID format,
3947         and "dpd_" prefix if the decimal system uses the DPD format.
3948         (init_interclass_conv_libfuncs): Ditto.
3949         (init_intraclass_conv_libfuncs): Ditto.
3950
3951         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3952         using the BID format.
3953
3954         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3955         whether we are using the BID decimal format.
3956         * configure: Regenerate.
3957
3958         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3959         the compiler has decimal floating point enabled.  Define
3960         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3961         instead of DPD.
3962
3963         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3964         using the BID format.
3965
3966         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3967         whether we are using the BID decimal format.
3968         * configure: Regenerate.
3969
3970         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3971         the compiler has decimal floating point enabled.  Define
3972         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3973         instead of DPD.
3974
3975         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3976         options, and that it is enabled for i386/x86_64 systems.
3977
3978         * Makefile.in (enable_decimal_float): New.
3979         (DECNUMFMT): New.
3980         (DECNUMINC): Add  -I$(DECNUMFMT).
3981         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3982         to $(DECNUMFMT) from $(DECNUM).
3983
3984         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3985         Substitute enable_decimal_float.
3986         * configure: Regenerated.
3987
3988         PR other/30529
3989         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3990         unsigned long.
3991
3992         * configure.ac: Enable decimal float for x86_64-*-linux*.
3993         * configure: Regenerated.
3994
3995         PR other/30530
3996         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3997         decimal128ClearSign to flip and clear the sign bit in decimal128.
3998         (decimal_real_maxval): Set decimal128SetSign to set the sign
3999         bit in decimal128.
4000
4001 2007-03-23  Ian Lance Taylor  <iant@google.com>
4002
4003         * fold-const.c (fold_binary): Correct warning for X - c >= X.
4004
4005 2007-03-23  Ian Lance Taylor  <iant@google.com>
4006
4007         * tree-dump.c (dump_files): Correct comment.
4008
4009 2007-03-23  Ian Lance Taylor  <iant@google.com>
4010
4011         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4012
4013 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
4014
4015         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
4016         in cfglayout mode.  Don't go into and out of cfglayout mode.
4017         Link the blocks in the order of the constructed traces.
4018         (rest_of_handle_tracer): Adjust call to tracer.
4019         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4020         Don't go into cfglayout mode.
4021         (rtl_loop_done): Don't go out of cfglayout mode.
4022         * cfglayout.c (relink_block_chain): New function, split out from...
4023         (fixup_reorder_chain): ...here.  Remove redundant checking.
4024         (cfg_layout_finalize): Don't clear the header, footer, and aux
4025         fields here, move the code to do so to relink_block_chain.  Likewise
4026         for free_original_copy_tables.
4027         * rtl.h (tracer): Update prototype.
4028         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4029         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
4030         mode.  Use relink_block_chain to serialize the CFG according to the
4031         new basic block order.  Move targetm.cannot_modify_jumps_p check from
4032         here...
4033         (gate_handle_reorder_blocks): ...to here.
4034         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4035         from here...
4036         (gate_duplicate_computed_gotos): ...to here.
4037         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4038         something always changes when going into and out of cfglayout mode.
4039         Perform an expensive cfg cleanup while going into cfglayout mode.
4040         Always update liveness information on HAVE_conditional_execution
4041         targets.  Reserialize the basic blocks and go out of cfglayout mode.
4042         * reg-stack.c: Include cfglayout.h.
4043         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4044         the call to reorder_basic_blocks.
4045         * basic-block.h (reorder_basic_blocks): Update prototype.
4046         (relink_block_chain): New prototype.
4047         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4048
4049 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
4050
4051         * config/mips/mips.md (type, hazard, *movdi_32bit,
4052         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4053         *movhi_internal, *movqi_internal, *movsf_hardfloat,
4054         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4055         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4056         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4057         applicable.
4058         (movcc): Change first xfer to multi.
4059         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4060         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4061         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4062         config/mips/generic.md: Change reservations using "xfer" to use
4063         "mfc,mtc".
4064         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4065         using match_operand.
4066         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4067         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4068         examining mode.
4069         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4070
4071 2007-03-22  Richard Henderson  <rth@redhat.com>
4072
4073         * config/i386/i386.c: Remove unnecessary function declarations.
4074         Move targetm definition, and all related macros, to the end of
4075         the file.  Resort some functions to put definitions before uses.
4076         (ix86_attribute_table): Make static.  Move to end of file.
4077         (ix86_gimplify_va_arg): Make static.
4078
4079 2007-03-22  Richard Henderson  <rth@redhat.com>
4080
4081         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4082         don't increase local_regparm with force_align_arg_pointer check.
4083         (ix86_function_sseregparm): Assert 32-bit.
4084         (type_has_variadic_args_p): New.
4085         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
4086         type_has_variadic_args_p.
4087         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4088         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
4089         use memset instead.  Do maybe_vaarg check first; skip attribute
4090         tests if true; skip attribute tests for 64-bit.
4091         (construct_container): Remove TARGET_DEBUG_ARG.
4092         (function_arg_advance_32, function_arg_advance_64): Split out ...
4093         (function_arg_advance): ... from here.
4094         (function_arg_32, function_arg_64): Split out ...
4095         (function_arg): ... from here.
4096         (ix86_pass_by_reference): Tidy.
4097         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4098         (function_value_32): New, from parts of ix86_function_value
4099         and ix86_value_regno.
4100         (function_value_64): New, from parts of ix86_function_value
4101         and ix86_libcall_value.
4102         (ix86_function_value_1): New.
4103         (ix86_function_value, ix86_libcall_value): Use it.
4104         (return_in_memory_32, return_in_memory_64): Split out ...
4105         (ix86_return_in_memory): ... from here.
4106         (ix86_struct_value_rtx): Skip for 64-bit.
4107         (ix86_libcall_value, ix86_value_regno): Remove.
4108         (setup_incoming_varargs_64): Split out ...
4109         (ix86_setup_incoming_varargs): ... from here.
4110         (ix86_va_start): Remove TARGET_DEBUG_ARG.
4111         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4112         * config/i386/i386-protos.h (ix86_function_value): Remove.
4113         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4114
4115 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4116
4117         PR other/23572
4118         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4119         infinities not supported, otherwise emit warning if -Woverflow. On
4120         underflow, emit warning if -Woverflow.
4121         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4122         and 0 otherwise.
4123         * real.h (real_from_string): Update declaration
4124
4125 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
4126             Richard Henderson  <rth@redhat.com>
4127
4128         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4129         * calls.c (compute_argument_block_size, expand_call,
4130         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4131         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4132         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4133         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4134         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4135         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4136         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4137         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4138         Set to 1.
4139
4140 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
4141
4142         * c-incpath.c (add_sysroot_to_chain): New.
4143         (merge_include_chains): Add sysroot argument.  Call
4144         add_sysroot_to_chain if sysrooted.
4145         (register_include_chains): Update call to merge_include_chains.
4146         * doc/cppopts.texi: Document use of '=' in include directory
4147         arguments.
4148
4149 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
4150
4151         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4152         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
4153         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4154         insn pattern using X87MODEF12 mode macro.
4155
4156 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
4157
4158         * regmove.c (regmove_optimize): Use reg_mentioned_p
4159         instead of reg_overlap_mentioned_p for DST.
4160
4161 2007-03-21  Mike Stump  <mrs@apple.com>
4162
4163         * c.opt: Fixup for Objective-C/C++.
4164
4165 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
4166
4167         * explow.c (convert_memory_address): Fold memory reference when
4168         POINTERS_EXTEND_UNSIGNED < 0
4169
4170 2007-03-21  Richard Henderson  <rth@redhat.com>
4171
4172         PR target/31245
4173         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4174         * config/i386/mmintrin.h (__m64): Likewise.
4175         * config/i386/xmmintrin.h (__m128): Likewise.
4176
4177 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4178
4179         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4180         (VXWORKS_OS_CPP_BUILTINS): Define.
4181         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4182         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
4183
4184 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4185
4186         * rtl.h (constant_pool_reference_p): Delete.
4187         (find_constant_src): Declare.
4188         * rtlanal.c (find_constant_src): New function.
4189         * simplify-rtx.c (constant_pool_reference_p): Delete.
4190         * config/i386/i386.md: Use find_constant_src instead of
4191         constant_pool_reference_p/avoid_constant_pool_reference pairs.
4192
4193 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4194
4195         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4196         * c-cppbuiltin.c (c_cpp_builtins): Define them.
4197
4198 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
4199
4200         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4201         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4202         (arm_elf_asm_constructor): Use it.
4203         (arm_elf_asm_destructor): New function.
4204
4205 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4206
4207         * jump.c (mark_jump_label): Treat SEQUENCE specially.
4208
4209 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
4210
4211         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4212
4213 2007-03-19  Andrew Haley  <aph@redhat.com>
4214
4215         PR tree-optimization/31264
4216         * tree-vrp.c (register_edge_assert_for_1): Don't look though
4217         VIEW_CONVERT_EXPRs.
4218
4219 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
4220
4221         PR rtl-optimization/30907
4222         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4223         (fwprop_init): Always call loop_optimizer_initialize.
4224         (fwprop_done): Always call loop_optimizer_finalize.
4225         (fwprop): We always have loop info now.
4226         (gate_fwprop_addr): Remove.
4227         (pass_fwprop_addr): Use gate_fwprop as gate.
4228
4229         PR rtl-optimization/30841
4230         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4231         df_chain_alloc): Call df_reorganize_refs unconditionally.
4232         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4233         refs_organized to refs_organized_size.
4234         (df_ref_create_structure): Use refs_organized_size instead of
4235         bitmap_size if refs had been organized, and keep refs_organized_size
4236         up-to-date.
4237         * df.h (struct df_ref_info): Change refs_organized to
4238         refs_organized_size.
4239         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4240         bitmap_size.
4241
4242 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
4243
4244         * except.c (output_function_exception_table): Do not reference the
4245         EH personality routine for functions that do not require an
4246         exception table.
4247
4248 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4249
4250         PR c/30762
4251         * c-typeck.c (convert_for_assignment): Call comptypes for
4252         RECORD_TYPE or UNION_TYPE.
4253
4254         PR inline-asm/30505
4255         * reload1.c (reload): Do invalid ASM checking after
4256         cleanup_subreg_operands.
4257
4258 2007-03-19  Jeff Law  <law@redhat.com>
4259
4260         * tree-cfg.c (find_taken_edge): Tighten conditions for
4261         optimizing computed gotos.
4262
4263 2007-03-19  Michael Matz  <matz@suse.de>
4264
4265         * builtins.c (expand_builtin_sync_operation,
4266         expand_builtin_compare_and_swap,
4267         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4268         correctly.
4269
4270         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4271         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4272         for operand 3.
4273
4274 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4275
4276         * doc/tm.texi: Add brackets around the return type of
4277         TARGET_SECONDARY_RELOAD.
4278
4279 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4280         Richard Guenther  <rguenther@suse.de>
4281
4282         PR tree-optimization/31254
4283         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4284         Use handled_component_p () where appropriate.  Continue
4285         propagating into the rhs if we propagated into an INDIRECT_REF
4286         on the lhs.
4287
4288 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4289
4290         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4291         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4292         (xde, xdee): Mode attributes adjusted to support DFP modes.
4293         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4294         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4295         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4296         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4297         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4298         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4299         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4300         numbers.
4301         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4302         "movsf"): Insn definitions removed.
4303         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4304         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4305         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4306         definitions added.
4307         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4308         "reload_in<mode>", "reload_out<mode>"): Expander added.
4309         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4310         Expander removed.
4311
4312 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4313
4314         * config/s390/s390.md: Only non-functional changes.  Renamed
4315         FPR mode macro to BFP all over the file.
4316
4317 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4318
4319         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4320         (op_type attribute): RRF instruction type added.
4321         (fT0): New mode attribute.
4322         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4323         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4324         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4325         no secondary memory is needed when moving DFmode values between GPRs
4326         and FPRs.
4327
4328 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4329
4330         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4331         inverted and documentation adjusted.
4332         ("mhard-dfp", "msoft-dfp"): New options.
4333         * config/s390/s390.c (s390_handle_arch_option): New architecture
4334         switch: z9-ec.
4335         (override_options): Sanity checks for the new options added.
4336         * config.gcc: New architecture switch: z9-ec.
4337         * config/s390/s390.h (processor_flags): PF_DFP added.
4338         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4339         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4340         when the bit is NOT set so remove it from the defaults.
4341
4342 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4343
4344         * genemit.c (main): Print include statement for dfp.h.
4345         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4346         is not available.
4347
4348 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4349
4350         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4351
4352 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4353
4354         PR target/31022
4355         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4356         instead of PATTERN.
4357
4358 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4359
4360         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4361         attr_length_call, output_call, output_indirect_call): Cleanup
4362         formatting of targetm calls.
4363
4364 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4365
4366         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4367
4368 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4369
4370         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4371         reservation, bypass and anti-bypass descriptions for these instructions.
4372         Update move patterns.
4373         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4374         TYPE_FPSTORE.
4375
4376 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4377
4378         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4379         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4380         (get_initial_def_for_reduction): Likewise.
4381
4382 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4383
4384         Fix PR tree-optimization/29922
4385         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4386         (get_representative): Removed.
4387         (value_dies_in_block_x): Update for rvuse removal.
4388         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4389         (compute_antic_aux): Handle when PHI nodes appear in
4390         non-single-successors.
4391         (dump_bitmap_of_names): Removed.
4392         (compute_antic_safe): Renamed and removed rvuse calculation.
4393         Calculate only antic safe.
4394         (insert_into_preds_of_block): Remove assert.
4395         (execute_pre): Update for renamed functions.
4396         (defer_or_phi_translate_block): New function.
4397
4398 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4399
4400         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4401         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4402         typos.
4403         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4404         Follow spelling conventions.
4405
4406         * tree-data-ref.h: Remove the prototype for analyze_array.
4407
4408 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4409
4410         PR tree-optimization/31041
4411         * tree-vect-transform.c (get_initial_def_for_induction): Call
4412         force_gimple_operand.
4413
4414 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4415
4416         * ipa-type-escape.c (look_for_casts) : Revert code to use
4417         handled_component_p due to ada test a-numaux.adb.
4418
4419 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4420
4421         * final.c (final_scan_insn): Alter the condition of a
4422         conditional trap if we have nonstandard CC.
4423
4424 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4425
4426         * configure.ac: Remove excess quoting from asm line 0 test.
4427         * configure: Rebuilt.
4428
4429 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4430
4431         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4432         * c-common.c (convert_and_check): Move warning logic to...
4433         (warnings_for_convert_and_check): ...here. Define.
4434         * c-common.h (warnings_for_convert_and_check): Declare.
4435
4436 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4437
4438         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4439         (output_call): Likewise.
4440
4441 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4442
4443         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4444
4445 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4446
4447         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4448
4449 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4450
4451         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4452         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4453
4454 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4455
4456         PR tree-optimization/31183
4457         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4458         Use double_int instead of unsigned int for representing access_strides.
4459         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4460
4461 2007-03-16  Richard Guenther  <rguenther@suse.de>
4462
4463         PR tree-optimization/31146
4464         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4465         to allow recursion of forward_propagate_addr_expr.
4466         (forward_propagate_addr_into_variable_array_index): Likewise.
4467         (forward_propagate_addr_expr): Likewise.
4468         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4469         (forward_propagate_addr_expr_1): Recurse on simple copies
4470         instead of propagating into them.  Do so for useless conversions
4471         as well.
4472         (forward_propagate_addr_expr): Clean up unused statements after
4473         recursion.
4474
4475 2007-03-16  Richard Guenther  <rguenther@suse.de>
4476
4477         * builtins.c (expand_builtin_cexpi): Use the right argument
4478         for the expansion via cexp.
4479
4480 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4481
4482         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4483         * configure: Rebuilt.
4484
4485 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4486
4487         PR debug/29906
4488         * dwarf2out.c (force_type_die): Adjust comment.
4489         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4490
4491 2007-03-15  DJ Delorie  <dj@redhat.com>
4492
4493         * config/frv/predicates.md (minmax_operator): Don't check operands
4494         here.
4495
4496 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4497
4498         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4499         Update constant estimates of number of iterations.
4500         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4501         argument renamed to "realistic".
4502         (compute_estimated_nb_iterations): Removed.
4503         (record_niter_bound): New function.
4504         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4505         call record_nonwrapping_iv with upper = false.
4506         (infer_loop_bounds_from_signedness): Pass upper argument to
4507         record_nonwrapping_iv.
4508         (estimate_numbers_of_iterations_loop): Do not call
4509         compute_estimated_nb_iterations.  Record estimate based on profile
4510         information.  Initialize the constant estimates of number of
4511         iterations.
4512         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4513         estimates.
4514         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4515         number of iterations is too small.
4516         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4517         (EST_NOT_AVAILABLE): Removed.
4518         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4519         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4520         fields.
4521
4522 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4523
4524         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4525         Handle NE_EXPR guards.
4526
4527 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4528
4529         PR c++/24924
4530         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4531         Set also -pedantic-errors by default for the  preprocessor unless
4532         -fpermissive is given.
4533
4534 2007-03-15  Richard Guenther  <rguenther@suse.de>
4535
4536         PR middle-end/29719
4537         PR middle-end/31161
4538         * builtins.c (expand_builtin_cexpi): As a fallback if we
4539         don't have builtins for sincos or cexp create a function
4540         declaration for cexp and expand to a call to that.
4541         (expand_builtin_int_roundingfn): Always fall
4542         back to floor/ceil and its variants even if they may be
4543         not available.
4544
4545 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4546
4547         PR middle-end/31159
4548         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4549         jump tables, move the call to delete_dead_jumptables from here...
4550         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4551         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4552         don't allow merging of blocks that try_redirect_by_replacing_jump
4553         also does not handle when not optimizing.
4554
4555 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4556             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4557
4558         * config/i386/i386.md (x86_sahf_1): Correctly handle
4559         HAVE_AS_IX86_SAHF.
4560
4561 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4562
4563         PR target/31167
4564         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4565         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4566         from operand constraints and use "e" constraint instead.
4567         (*subti3_1, *subti3_1 splitter): Ditto.
4568         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4569         operand[1] predicate.
4570
4571 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4572
4573         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4574         arrays, multiply the access strides by the size of the sub-array.
4575         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4576
4577 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4578
4579         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4580         the configured assembler supports the sahf mnemonic.
4581         * configure: Regenerate.
4582         * config.in: Regenerate.
4583
4584         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4585         emit "sahf" or ".byte\t0x9e" as asm template.
4586
4587 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4588
4589         PR 31018
4590         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4591         option to replace hard coded TARGET_xxx in md file.
4592         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4593         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4594         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4595         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4596         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4597         (X86_TUNE_NOT_VECTORMODE): Ditto.
4598         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4599         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4600         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4601         (TUNE_SLOW_IMUL_IMM8): Ditto.
4602         (TUNE_MOVE_M1_VIA_OR): Ditto.
4603         (TUNE_NOT_UNPAIRABLE): Ditto.
4604         (TUNE_NOT_VECTORMODE): Ditto.
4605
4606         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4607         options.
4608
4609         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4610         tuning options instead of hard coded TARGET_xxx.
4611         (fix ssemode peephole2's): Ditto.
4612         (imul peephole2's): Ditto.
4613         (movsi_or): Ditto.
4614         (movdi_or_rex64): Ditto.
4615         (move peephole2): Ditto.
4616         (not peephole2's): Ditto.
4617
4618 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4619
4620         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4621         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4622         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4623         of empty body.
4624         * c-parser.c (c_parser_do_statement): Warn about empty body in
4625         do/while statement.
4626         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4627         * doc/invoke.texi (-Wempty-body): Update documentation.
4628
4629 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4630
4631         PR c/21438
4632         * c-common.h (warn_for_div_by_zero): Declare.
4633         * c-common.c (warn_for_div_by_zero): Define.
4634         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4635         warning.
4636
4637 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4638
4639         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4640         to PREFIX and STANDARD_PREFIX.
4641
4642 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4643             Phil Edwards  <phil@codesourcery.com>
4644
4645         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4646         (__gthread_once_t): Remove busy field for RTPs.
4647         (__GTHREAD_ONCE_INIT): Update accordingly.
4648
4649 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4650
4651         * doc/invoke.texi: Document VxWorks options.
4652
4653 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4654
4655         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4656
4657 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4658
4659         PR tree-optimization/30590
4660         * tree-nrv.c (tree_nrv): Check for the partial update of the
4661         return value.
4662
4663 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4664
4665         * flags.h (flag_random_seed): Remove declaration, in favor of...
4666         * toplev.h (get_random_seed, set_random_seed): ... these.
4667         * tree.c (get_file_function_name): Use the former.
4668         * opts.c (common_handle_option): Use the latter.
4669         * toplev.c
4670
4671 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4672
4673         PR middle-end/31127
4674         * cse.c (cse_find_path): Do not bail out if a basic block that
4675         we already visited now becomes part of a path that starts at a
4676         different basic block.  Just disallow this, to make sure we
4677         visit each basic block at most once.
4678
4679 2007-03-13  Jan Hubicka  <jh@suse.cz>
4680
4681         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4682         when profile esitmate is present, calls with very low frequency are
4683         cold.
4684
4685 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4686
4687         PR tree-optimization/30730
4688         PR tree-optimization/26900
4689         * tree-ssa-loop-niter.c: Include gmp.h.
4690         (bounds): New type.
4691         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4692         split_to_var_and_offset, determine_value_range,
4693         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4694         bound_difference, bounds_add, bounds_negate,
4695         number_of_iterations_ne_max, dump_affine_iv): New functions.
4696         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4697         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4698         difference of initial and final value of control iv to validate
4699         results.
4700         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4701         on the difference of the extremes of the control iv.  Add dumps.
4702         (expand_simple_operations): Handle phi nodes.
4703         (simplify_using_initial_conditions): Do not record used conditions.
4704         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4705         Do not set additional_info.
4706         (implies_nonnegative_p, implies_ge_p): Removed.
4707         (derive_constant_upper_bound): Do not use parameter `additional'.
4708         (record_estimate): Parameter `additional' removed.  Parameter
4709         `i_bound' added.  Do not call derive_constant_upper_bound.
4710         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4711         bound the number of iterations estimate.
4712         (estimate_numbers_of_iterations_loop): Pass the estimate from
4713         the number of iterations analysis to record_estimate.
4714         * tree.h (multiple_of_p): Declare.
4715         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4716         (scev_const_prop): Do not check expression_expensive_p.
4717         * fold-const.c (multiple_of_p): Exported.
4718         * double-int.c (double_int_mask): Exported.
4719         * double-int.h (double_int_mask): Declare.
4720         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4721         field.  Added max field.
4722
4723 2007-03-13  David Taylor  <taylor@candd.org>
4724
4725         PR driver/12448:
4726         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4727         default -MQ.
4728
4729 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4730
4731         PR target/31123
4732         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4733         two unamed patterns.
4734
4735 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4736
4737         * config/i386/i386.opt (mcx16, msahf): New options.
4738         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4739         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4740
4741         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4742         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4743         Output -mcx16 and -msahf options when corresponding bit is set.
4744
4745         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4746         and -msahf options.
4747
4748 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4749
4750         * configure.ac: Test for assembler tolerance to # 0 "".
4751         * configure, config.in: Rebuilt.
4752         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4753
4754 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4755
4756         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4757
4758         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4759         (handle_syscall): Handle direct system calls.
4760         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4761
4762 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4763
4764         * doc/invoke.texi: Fix cpp.info cross-reference.
4765         * doc/passes.texi: Fix gcc.info cross-reference.
4766
4767 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4768
4769         PR tree-optimization/30835
4770         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4771         bb_for_stmt is not NULL before accessing it.
4772
4773 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4774
4775         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4776         some multilibs.
4777
4778 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4779
4780         PR 30635
4781         * doc/install.texi: Document --enable-stage1-languages
4782
4783 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4784
4785         * tree-pass.h (pass_into_cfg_layout_mode,
4786         pass_outof_cfg_layout_mode): Declare.
4787         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4788         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4789         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4790         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4791
4792 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4793
4794         * c-decl.c (warn_variable_length_array): New function.
4795         Refactored from grokdeclarator to handle warn_vla
4796         and handle unnamed array case.
4797         (grokdeclarator): Refactored VLA warning case.
4798         * c.opt (Wvla): New flag.
4799         * doc/invoke.texi (Wvla): New warning.
4800
4801 2007-03-12  Richard Henderson  <rth@redhat.com>
4802
4803         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4804         (TARGET_SECTION_TYPE_FLAGS): New.
4805
4806 2007-03-12  Richard Henderson  <rth@redhat.com>
4807
4808         * config/darwin.c (machopic_reloc_rw_mask): New.
4809         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4810         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4811
4812 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4813
4814         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4815         * cppdefault.h (cpp_PREFIX): Document.
4816         (cpp_PREFIX_len): Likewise.
4817         (cpp_EXEC_PREFIX): New variable.
4818         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4819         * c-incpath.c (add_standard_paths): Correct logic for relocating
4820         paths within prefix.
4821
4822 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4823
4824         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4825         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4826         mode macro.
4827         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4828         fix_truncdfdi_sse using SSEMODEF mode macro.
4829         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4830         fix_truncdfsi_sse using SSEMODEF mode macro.
4831         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4832         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4833
4834 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4835
4836         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4837         elfos.h to tm_file.
4838
4839 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4840
4841         * tree.h : Add multiple_of_p declaration.
4842         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4843         * ipa-type-escape.c (results_of_malloc): Redundant.
4844         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4845         (cast_type): Extended with new members.
4846         (check_cast): Returns cast_type.
4847         (cast): New structure for data of walk_use_def_chains.
4848         (is_malloc_result, is_cast_from_non_pointer_1,
4849         is_cast_from_non_pointer,
4850         is_array_access_through_pointer_and_index): New functions.
4851         (look_for_casts): Returns cast types.
4852         (check_call): Returns void.
4853         (okay_pointer_operation): Use support of pointer plus index,
4854         pointer plus constant and allow all multiplications.
4855
4856 2007-03-11  Richard Guenther  <rguenther@suse.de>
4857
4858         PR tree-optimization/31115
4859         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4860         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4861         A shift count of zero is not special as with *_DIV_EXPR.
4862         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4863         direction.
4864
4865 2007-03-11  Ian Lance Taylor  <iant@google.com>
4866
4867         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4868         the *_DIV_EXPR codes correctly with overflow infinities.
4869
4870 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4871
4872         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4873         indicate success/failure of the analysis. Add negation to subtrahend
4874         in case of subtraction. Fail if both operands contain constants.
4875         (create_data_ref): Fail if analyze_offset fails.
4876
4877 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4878
4879         * config/i386/i386.md (frndintxf2): Rename to ...
4880         (rintxf2): ... this. Remove expander having same name.
4881         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4882         (roundsf2, rounddf2): Ditto.
4883         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4884         (lround<mode>di2, lround<mode>si2): Ditto.
4885
4886 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4887
4888         * lower-subreg.c: Include except.h.
4889         (decompose_multiword_subregs): Verify that the only control flow
4890         insns we can split are loads to multi-words pseudos.
4891         Handle breaking such blocks after splitting, instead of calling
4892         find_many_sub_basic_blocks.
4893
4894         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4895         on the new basic block.  Add a lengthy comment explaining why we
4896         thought this was necessary.
4897         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4898
4899 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4900
4901         PR c++/30924
4902         * tree.c (walk_type_fields): Recurse into the element type of
4903         ARRAY_TYPEs if there is a pointer set.
4904
4905 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4906
4907         * c-common.c (warn_logical_operator): Fix condition.
4908
4909 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4910
4911         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4912         quotation mark.
4913         * config/darwin.c (machopic_select_section): Remove superfluous
4914         argument in call to categorize_decl_for_section.  Remove unused
4915         variable shlib.
4916
4917 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4918
4919         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4920         defined.
4921         * configure: Regenerate.
4922
4923 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4924
4925         PR target/31101
4926         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4927         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4928         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4929         Add LABEL_NUSES to emitted label.
4930         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4931         branch probability value to emitted jump insn.
4932         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4933         Do not check life information and do not re-arrange input operands
4934         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4935
4936 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4937
4938         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4939         the change of decode_asm_operands.
4940
4941 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4942
4943         * mode-switching.c (create_pre_exit): Skip blockage insn.
4944
4945 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4946
4947         * tree-pass.h (TODO_update_smt_usage): Remove.
4948         Update all users.
4949         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4950         argument SOME.
4951         Update all users.
4952
4953 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4954
4955         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4956         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4957         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4958         SOM target.
4959
4960 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4961
4962         * gcc.c: Document %{, in big comment at top.
4963         (input_suffix_matches): Remove special handling for .s and
4964         .S.
4965         (input_spec_matches): New.
4966         (handle_braces): Handle %{,.
4967         (validate_switches): ',' indicates a value which is not a switch.
4968         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4969         to detect assembler input.
4970         * config/i386/sol2.h (CPP_SPEC): Likewise.
4971         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4972         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4973         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4974         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4975         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4976         -m64 causes deployment target to default to 10.5.
4977         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4978
4979 2007-03-09  Richard Henderson  <rth@redhat.com>
4980
4981         PR target/26090
4982         * target.h (targetm.asm.out.reloc_rw_mask): New.
4983         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4984         (TARGET_ASM_OUT): Use it.
4985         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4986         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4987         use the new reloc_rw_mask target hook instead.
4988         (default_section_type_flags_1): Merge into...
4989         (default_section_type_flags): ... here.
4990         (decl_readonly_section_1): Merge into...
4991         (decl_readonly_section): ... here.
4992         (default_elf_select_section_1): Merge into...
4993         (default_elf_select_section): ... here.
4994         (default_unique_section_1): Merge into...
4995         (default_unique_section): ... here.
4996         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4997         (default_select_rtx_section): Use it.
4998         (default_elf_select_rtx_section): Likewise.
4999         * output.h: Update to match.
5000         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5001         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5002         (TARGET_ASM_RELOC_RW_MASK): New.
5003         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5004         to categorize_decl_for_section.
5005         (x86_64_elf_unique_section): Likewise.
5006         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5007         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5008         (TARGET_ASM_RELOC_RW_MASK): New.
5009         * config/ia64/ia64.c (ia64_rwreloc_select_section,
5010         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5011         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5012         (TARGET_RWRELOC): Remove.
5013         (ia64_section_type_flags): Adjust call to default_section_type_flags.
5014         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5015         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5016         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5017         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5018         (rs6000_xcoff_select_section): Use decl_readonly_section.
5019         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5020         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5021         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5022         (TARGET_SECTION_TYPE_FLAGS): Remove.
5023         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5024
5025 2007-03-09  Roger Sayle  <roger@eyesopen.com>
5026
5027         * fold-const.c (fold_comparison): Remove compile-time evaluation of
5028         complex constant equality/inequality comparisons for here.
5029         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5030         known at compile-time or can be simplified to a scalar comparison.
5031         (fold_relational_const): Move compile-time evaluation of complex
5032         constant equality/inequality comparisons to here.
5033
5034 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5035
5036         PR rtl-optimization/30643
5037         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5038         dest_addr_elt.
5039         (fold_rtx): Recurse, like before 2006-11-03.
5040
5041 2007-03-09  DJ Delorie  <dj@redhat.com>
5042
5043         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5044         m32c-pragma.o.
5045
5046 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
5047
5048         PR tree-optimization/30375
5049         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5050         LHS of statements is not the same.
5051         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5052
5053 2007-03-09  Chao-ying Fu  <fu@mips.com>
5054
5055         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5056         REV 2.
5057         * doc/invoke.texi (-mdspr2): Document new option.
5058         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5059         New unspec for DSP REV 2.
5060         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5061         these instructions are extended in DSP REV 2.
5062         (mips-dspr2.md): Include.
5063         * config/mips/mips.opt (mdspr2): New option.
5064         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5065         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5066         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5067         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5068         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5069         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
5070         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5071         and 2 builtins.
5072         (bdesc_map): Add one field of unsupported_target_flags.
5073         (bdesc_arrays):  Update entries to have extra fields.  Add
5074         dsp_32only_bdesc.
5075         (mips_init_builtins): Initialize new function types.
5076         Check unsupported_target_fileds to filter out builtins.
5077         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5078         TARGET_DSPR2.
5079         (ASM_SPEC): Pass mdspr2 to the assembler.
5080         * config/mips/mips-dspr2.md: New file.
5081
5082 2007-03-09  Sa Liu  <saliu@de.ibm.com>
5083
5084         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5085
5086 2007-03-09  Ian Lance Taylor  <iant@google.com>
5087
5088         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5089         argument) like -Wstrict-overflow=2.
5090         * doc/invoke.texi (Warning Options): Update documentation.
5091
5092 2007-03-09  Dirk Mueller  <dmueller@suse.de>
5093
5094         PR c++/17946
5095         * doc/invoke.texi (-Wlogical-op): Document.
5096         * common.opt (-Wlogical-op): New.
5097         * c-common.h (warn_logical_operator): Declare.
5098         * c-common.c (warn_logical_operator): Define.
5099         * c-typeck.c (parser_build_binary_op): Call
5100         warn_logical_operator.
5101
5102 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5103
5104         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5105         * final.c (final_scan_insn): Test for non-"" file name.
5106
5107 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
5108
5109         * doc/loop.texi: Document the Omega linear constraints solver.
5110         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5111         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5112         omega-hash-table-size, omega-max-keys, and
5113         omega-eliminate-redundant-constraints.
5114         * tree-pass.h (pass_check_data_deps): Declared.
5115         * omega.c: New.
5116         * omega.h: New.
5117         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5118         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5119         pass_check_data_deps): New.
5120         * tree-data-ref.c (init_data_ref): Remove declaration.
5121         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5122         (analyze_array): Renamed init_array_ref, move up initializations.
5123         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
5124         Removed arguments that are set to NULL.
5125         (analyze_indirect_ref): Correct indentation, correct call to
5126         init_pointer_ref.
5127         (object_analysis): Call init_array_ref instead of analyze_array.
5128         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5129         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5130         of DR_ACCESS_FNS_ADDR.
5131         (init_omega_eq_with_af, omega_extract_distance_vectors,
5132         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5133         ddr_consistent_p): New.
5134         (compute_affine_dependence): Check consistency of ddrs when
5135         flag_check_data_deps is passed.
5136         (analyze_all_data_dependences): Uncomment.
5137         (tree_check_data_deps): New.
5138         * tree-data-ref.h: Include omega.h.
5139         (DR_ACCESS_FNS_ADDR): Removed.
5140         (data_dependence_relation): Add inner_loop.
5141         (DDR_INNER_LOOP): New.
5142         * common.opt (fcheck-data-deps): New.
5143         * tree-flow.h (tree_check_data_deps): Declare.
5144         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5145         (OBJS-common): Depend on omega.o.
5146         (omega.o): Define.
5147         * passes.c (pass_check_data_deps): Scheduled.
5148         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5149         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5150         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5151         PARAM_VECT_MAX_VERSION_CHECKS,
5152         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5153
5154 2007-03-09  Richard Guenther  <rguenther@suse.de>
5155
5156         PR tree-optimization/30904
5157         PR middle-end/31058
5158         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5159         the same way as *_DIV_EXPR.
5160
5161 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5162
5163         * recog.c (decode_asm_operands): No mixed declarations and code.
5164
5165 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5166
5167         * rtl.def (ASM_INPUT): Add location.
5168         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5169         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5170         (decode_asm_operands): Add loc operand.
5171         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5172         * stmt.c (expand_asm): Rename to...
5173         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
5174         gen_rtx_ASM_INPUT_loc.
5175         (expand_asm_expr): Adjust.
5176         * recog.c (decode_asm_operands): Add loc operand.
5177         (check_asm_operands, extract_insn): Adjust.
5178         * reload1.c (maybe_fix_stack_asms): Likewise.
5179         * final.c (asm_insn_count): Likewise.
5180         (final_scan_insn): Output # line before and after asm.
5181
5182 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
5183
5184         * tree-ssa-structalias.c (variable_info): Remove
5185         finished_solution.
5186         (new_var_info): Ditto.
5187         (shared_bitmap_info_t): New structure.
5188         (shared_bitmap_table): New variable.
5189         (shared_bitmap_hash): New function.
5190         (shared_bitmap_eq): Ditto
5191         (shared_bitmap_lookup): Ditto.
5192         (shared_bitmap_add): Ditto.
5193         (merge_smts_into): Change to take bitmap directly.
5194         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5195         (init_alias_vars): Init shared bitmap hashtable.
5196         (delete_points_to_sets): Delete shared bitmap hashtable.
5197         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5198         is_aliased removal as a change that was still necessary was
5199         deleted.
5200
5201 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
5202
5203         * config/i386/i386.h (override_options): Conditionally disable
5204         x86_sahf for 64bit targets only.
5205
5206 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5207
5208         PR C/31072
5209         * c-decl.c (merge_decls): Don't call make_var_volatile.
5210         * varasm.c (make_var_volatile): Remove.
5211         * output.h (make_var_volatile): Remove.
5212
5213 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
5214
5215         PR tree-optimization/31085
5216         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5217
5218 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5219
5220         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5221         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5222         ATTR_CONST_NOTHROW_LIST.
5223
5224         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5225         FIX_TRUNC_EXPR.
5226
5227 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
5228
5229         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5230
5231 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
5232
5233         PR 31013
5234         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5235         is declared.
5236         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5237         passed, use shared libgcc.
5238
5239 2007-03-08  Roger Sayle  <roger@eyesopen.com>
5240
5241         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5242         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5243         (honor_protect_cleanup_actions, lower_try_finally_switch):
5244         Likewise.
5245         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5246         ifc_temp_var): Likewise.
5247         * tree-inline.c (setup_one_parameter): Likewise.
5248         * tree-mudflap.c (mf_decl_cache_locals,
5249         mf_build_check_statement_for): Likewise.
5250         * tree-nested.c (init_tmp_var, save_tmp_var,
5251         finalize_nesting_tree_1): Likewise.
5252         * tree-outof-ssa.c (insert_copy_on_edge,
5253         insert_backedge_copies): Likewise.
5254         * tree-profile.c (tree_gen_edge_profiler,
5255         tree_gen_ic_profiler): Likewise.
5256         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5257         * tree-sra.c (sra_build_assignment): Likewise.
5258         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5259         * tree-ssa-math-opts.c (insert_reciprocals,
5260         execute_cse_sincos_1): Likewise.
5261         * tree-tailcall.c (adjust_accumulator_values,
5262         adjust_return_value): Likewise.
5263         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5264         * tree-vect-transform.c (vect_create_data_ref_ptr,
5265         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5266         vect_create_epilog_for_reduction, vectorizable_reduction,
5267         vectorizable_call, vectorizable_conversion,
5268         vectorizable_assignment, vectorizable_operation,
5269         vectorizable_type_demotion, vect_gen_widened_results_half,
5270         vect_permute_store_chain, vectorizable_store,
5271         vect_setup_realignment, vect_permute_load_chain,
5272         vectorizable_load, vectorizable_condition,
5273         vect_create_cond_for_align_checks): Likewise.
5274         * tree-vrp.c (build_assert_expr_for): Likewise.
5275
5276 2007-03-08  Ian Lance Taylor  <iant@google.com>
5277
5278         * tree-vrp.c: Include "intl.h".
5279         (usable_range_p): New static function.
5280         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5281         overflowed values, juts set *strict_overflow_p.
5282         (compare_values): Only return -2 if one of the operands is not a
5283         constant.
5284         (compare_ranges): Call usable_range_p.
5285         (compare_range_with_value): Likewise.
5286         (vrp_evaluate_conditional_warnv): Rename from
5287         vrp_evaluate_conditional.  Make static.  Change all callers.
5288         (vrp_evaluate_conditional): New function.
5289         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5290         on signed overflow.
5291         (simplify_abs_using_ranges): Likewise.
5292         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5293         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5294         within_stmt parameter.
5295         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5296         vrp_evaluate_conditional.
5297         * tree-ssa-threadedge.c
5298         (record_temporary_equivalences_from_stmts_at_dest): Change
5299         simplify parameter to take a second tree parameter.
5300         (simplify_control_stmt_condition): Likewise.
5301         (thread_across_edge): Likewise.
5302         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5303         (thread_across_edge): Likewise.
5304         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5305
5306 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5307
5308         * config/i386/i386.h (TARGET_SAHF): New define.
5309         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5310         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5311         (x86_sahf): New global variable.
5312         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5313         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5314         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5315         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5316         for 64-bit.
5317         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5318         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5319         when expanding fcomi/sahf based tests.
5320         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5321         expanding sahf based alternative. Emit sahf based sequence when
5322         optimizing for code size.
5323         * config/i386/i386.md (x86_sahf_1): Do not disable for
5324         TARGET_64BIT, enable for TARGET_SAHF.
5325
5326 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5327
5328         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5329         spurious whitespace from error message.
5330
5331 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5332
5333         PR c++/30852
5334         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5335
5336 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5337
5338         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5339         bitfields.
5340         * tree-sra.c (instantiate_element): Propagate disabled warnings
5341         from the element itself to the created variable.
5342
5343 2007-03-07  Richard Henderson  <rth@redhat.com>
5344
5345         PR target/30848
5346         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5347         silently fix up the stack in the case of a missing register.
5348
5349 2007-03-07  Paul Brook  <paul@codesourcery.com>
5350
5351         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5352
5353 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5354
5355         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5356         New.
5357         (phase1_vrs): Use them.
5358         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5359         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5360         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5361         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5362         __gnu_Unwind_Restore_WMMXC if required.
5363         (_Unwind_VRS_Pop): Implement iWMMXt support.
5364         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5365         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5366         gnu_Unwind_Save_WMMXC): Define.
5367
5368 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5369
5370         * config/vxworks.h (vxworks_override_options): Declare.
5371         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5372         * config/vxworks.c: Include target.h and toplev.h.
5373         (vxworks_override_options): New function.
5374         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5375
5376 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5377
5378         * config/s390/s390.c (override_options): Don't emit an error when
5379         -mstack-size is used without providing -mstack-guard.
5380         (s390_emit_prologue): Choose stack_guard value automatically if not
5381         provided via command line.
5382         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5383
5384 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5385
5386         * config/i386/i386.c (output_set_got): Add a GOT initialization
5387         sequence for VxWorks PIC.
5388         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5389         around labels as well as symbols.  Use gotoff_operand instead
5390         of local_symbolic_operand.
5391         (legitimize_pic_address): Use gotoff_operand instead of
5392         local_symbolic_operand.  Use @GOT accesses for labels as
5393         well as symbols.
5394         (ix86_output_addr_diff_elt): Use PC-relative rather than
5395         GP-relative offsets for VxWorks PIC.
5396         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5397         no_new_pseudos.  Check whether the returned register is op0.
5398         * config/i386/i386.md (tablejump): Use PC-relative rather than
5399         GP-relative offsets for VxWorks PIC.
5400         * config/i386/predicates.md (gotoff_operand): New predicate.
5401
5402 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5403
5404         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5405         before defining.
5406         * config/vxworks-dummy.h: New file.
5407         * config/i386/i386.h: Include it.
5408
5409 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5410
5411         * dwarf2out.c (is_inlined_entry_point): New
5412         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5413         DW_AT_ranges if the first subblock is the entry point.
5414
5415 2007-03-06  David Daney  <ddaney@avtrex.com>
5416
5417         * doc/install.texi (mips-*-*): Change recommended binutils
5418         version.
5419
5420 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5421
5422         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5423         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5424         devices.
5425         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5426         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5427
5428 2007-03-06  Jan Hubicka  <jh@suse.cz>
5429
5430         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5431         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5432         are hot.
5433         (probably_cold_bb_p): Cold functions are cold.
5434         (probably_never_executed_bb_p): Cold functions are cold.
5435         (tree_bb_level_predictions): Predict calls to cold functions as not
5436         taken.
5437         (compute_function_frequency): Check hot/cold attributes.
5438         * function.h (function_frequency): Update comments.
5439         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5440         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5441         (c_common_att): Add cold and hot.
5442
5443         * doc/extend.texi (hot,cold attributes): Document.
5444
5445 2007-03-06  Andrew Haley  <aph@redhat.com>
5446
5447         * function.c (expand_function_end): Move blockage to just after we
5448         emit the label for the naked return from the function.
5449
5450 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5451
5452         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5453         before redefining.
5454
5455 2007-03-06  Jan Hubicka  <jh@suse.cz>
5456
5457         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5458         loaded for constant large models.  Non-large 64bit PIC can do.
5459         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5460         * cmodel.h: Add LARGE PIC.
5461         * i386.md (UNSPEC_PLTOFF): New.
5462         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5463         needed.
5464         (*call_1_rex64): Disable for large models.
5465         (*call_1_rex64_large): New.
5466         (*call_value_1_rex64): Disable for large models.
5467         (*call_value_1_rex64_large): New.
5468         (set_rip_rex4): New.
5469         (set_got_offset_rex64): New.
5470         * predicates.md (constant_call_address_operand): For large model
5471         constant calls are not possible.
5472         * i386-protos.h (construct_plt_address): Declare.
5473         * i386.c (override_options): Accept large models.
5474         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5475         (legitimate_constant_p): Add new UNSPECs.
5476         (legitimate_pic_operand_p): Likewise.
5477         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5478         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5479         non-large model.
5480         (output_pic_addr_const): Add PLTOFF.
5481         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5482         (ix86_expand_move): Legitimize pic address when in PIC mode.
5483         (construct_plt_address): New function.
5484         (ix86_expand_call): Offload the address to register and use GOT pointer
5485         for large model.
5486         * invoke.texi (mcmodel=large): Update documentation.
5487
5488 2007-03-06  Richard Henderson  <rth@redhat.com>
5489
5490         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5491         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5492         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5493         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5494         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5495         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5496         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5497         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5498         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5499         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5500         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5501         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5502         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5503         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5504         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5505         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5506         x86_schedule, x86_use_bt, x86_pad_returns,
5507         x86_use_xchgb): Merge into ...
5508         (ix86_tune_features): ... here.  New array.
5509         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5510         x86_bswap): Merge into ...
5511         (ix86_arch_features): ... here.  New array.
5512         (x86_3dnow_a): Remove.
5513         (x86_accumulate_outgoing_args): Make static.
5514         (x86_arch_always_fancy_math_387): Make static.
5515         (ix86_tune_mask, ix86_arch_mask): Move ...
5516         (override_options): ... to local variables here.  Apply the
5517         appropriate mask to each element of ix86_arch_features and
5518         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5519         as were done in the old macros.
5520         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5521         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5522         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5523         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5524         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5525         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5526         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5527         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5528         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5529         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5530         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5531         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5532         x86_accumulate_outgoing_args, x86_prologue_using_move,
5533         x86_epilogue_using_move, x86_decompose_lea,
5534         x86_arch_always_fancy_math_387, x86_shift1,
5535         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5536         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5537         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5538         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5539         x86_use_incdec, x86_pad_returns, x86_bswap,
5540         x86_partial_flag_reg_stall): Remove.
5541         (enum ix86_tune_indices): New.
5542         (ix86_tune_features): New.
5543         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5544         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5545         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5546         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5547         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5548         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5549         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5550         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5551         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5552         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5553         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5554         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5555         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5556         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5557         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5558         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5559         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5560         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5561         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5562         TARGET_EXT_80387_CONSTANTS): Use it.
5563         (enum ix86_arch_indices): New.
5564         (ix86_arch_features): New.
5565         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5566         TARGET_BSWAP): Use it.
5567         (ix86_tune_mask, ix86_arch_mask): Remove.
5568
5569 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5570
5571         PR bootstrap/31020
5572         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5573         Define using $${sysroot_headers_suffix}.
5574         * configure: Regenerate.
5575         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5576         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5577         defined.
5578         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5579         * gcc.c (print_sysroot_headers_suffix): New.
5580         (option_map): Include --print-sysroot-headers-suffix.
5581         (display_help): Mention -print-sysroot-headers-suffix.
5582         (process_command): Handle -print-sysroot-headers-suffix.
5583         (do_spec_1): Append multilib directory to include-fixed path if
5584         sysroot suffixes in use.
5585         (main): Handle -print-sysroot-headers-suffix.
5586         * Makefile.in (start.encap): Don't depend on xlimits.h
5587         (xlimits.h): Remove.
5588         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5589         limits.h for each multilib in fixinc_list.
5590         (fixinc_list, s-fixinc_list): New.
5591         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5592         generate them for each multilib in fixinc_list.
5593         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5594         multilib in fixinc_list.
5595         (mostlyclean): Don't remove xlimits.h.
5596         (clean): Remove include-fixed.
5597         (real-install-headers-tar, real-install-headers-cpio,
5598         real-install-headers-cp): Don't copy include, only include-fixed.
5599         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5600         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5601         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5602         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5603
5604 2007-03-06  Jan Hubicka  <jh@suse.cz>
5605
5606         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5607         NANs easilly.
5608
5609 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5610
5611         * configure.ac: Allow tm_file to contain build-directory files.
5612         * configure: Regenerate.
5613         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5614         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5615         * config/m68k/print-sysroot-suffix.sh: New file.
5616
5617 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5618
5619         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5620         of pic_offset_table_rtx if reload_completed.
5621         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5622         PIC_OFFSET_TABLE_REGNUM.
5623         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5624         return true.
5625         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5626         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5627
5628 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5629
5630         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5631         functions that call eh_return.
5632
5633 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5634
5635         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5636         functions that need a constant pool.
5637
5638 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5639
5640         PR target/28181
5641         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5642         (m68k_preferred_reload_class): Likewise.
5643         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5644         (SECONDARY_RELOAD_CLASS): Define.
5645         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5646         (LIMIT_RELOAD_CLASS): Delete.
5647         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5648         registers from storing bytes.
5649         (m68k_secondary_reload_class): New function.
5650         (m68k_preferred_reload_class): Likewise.
5651
5652 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5653
5654         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5655         leaf functions.
5656         (m68k_expand_prologue): Likewise.
5657
5658 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5659
5660         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5661         (mips_expand_epilogue): Add a bool parameter.
5662         (m68k_legitimize_sibcall_address): Declare.
5663         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5664         (m68k_expand_epilogue): Add a parameter to select between sibling
5665         and normal epilogues.  Only generate a return for the latter.
5666         (m68k_ok_for_sibcall_p): New function.
5667         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5668         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5669         (sibcall_value, *sibcall_value): Likewise.
5670         (*call, *call_value): Require !SIBLING_CALL_P.
5671         (epilogue): Update call to m68k_expand_epilogue.
5672         (sibcall_epilogue): New pattern.
5673         * config/m68k/predicates.md (const_call_operand): Say that this
5674         predicate applies to sibling calls too.
5675         (sibcall_operand): New predicate.
5676
5677 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5678
5679         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5680         alternatives as movsi_cf.
5681         (movsf_cf_hard): Add commentary.
5682
5683 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5684             Richard Sandiford  <richard@codesourcery.com>
5685
5686         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5687         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5688         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5689         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5690         as being live on exit from an interrupt function.
5691         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5692         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5693         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5694         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5695         (m68k_interrupt_function_p): Globalize.
5696         (m68k_compute_frame_layout): Remove reverse mask code.
5697         (m68k_emit_movem, m68k_set_frame_related): New functions.
5698         (m68k_output_function_prologue): Delete in favor of...
5699         (m68k_expand_prologue): ...this new function.
5700         (m68k_output_function_epilogue): Delete in favor of...
5701         (m68k_expand_epilogue): ...this new function.
5702         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5703         functions.
5704         (print_operand): Handle %?.
5705         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5706         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5707         (prologue, epilogue): New patterns.
5708         (return): Turn into a define_expand.
5709         (*return): New pattern, derived from old "return" pattern.  Use rte
5710         rather than rts for interrupt functions.  Only use rtd if the pop
5711         count is nonzero.
5712         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5713         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5714         (link, *link, unlink, *unlink, load_got): Likewise.
5715
5716 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5717
5718         PR target/23482
5719         PR target/17114
5720         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5721         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5722         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5723         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5724         and m68k_matches_u_p.
5725         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5726         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5727         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5728         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5729         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5730         (REG_STRICT_P): New macro.
5731         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5732         PCREL_GENERAL_OPERAND_OK.
5733         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5734         m68k_legitimate_base_reg_p.
5735         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5736         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5737         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5738         * config/m68k/m68k.c (m68k_address): New structure.
5739         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5740         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5741         (m68k_jump_table_ref_p, m68k_decompose_address)
5742         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5743         (m68k_matches_u_p): New functions.
5744         (print_operand_address): Rewrite to use m68k_decompose_index.
5745
5746 2007-03-05  David Taylor  <dtaylor@emc.com>
5747
5748         * gcc.c: Correct copyright date in --version output.
5749
5750 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5751
5752         * pa.md: In unamed move patterns, disparge copies between general
5753         and floating point registers using '?' modifier.  Don't include 'f'
5754         constraint for register preferences in DImode, SImode, HImode and
5755         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5756         Remove constraints for copies between general and floating registers
5757         in soft-float DFmode pattern.
5758         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5759         floating register.
5760         (movsf): Likewise.
5761
5762 2007-03-05  Mike Stump  <mrs@apple.com>
5763
5764         * c-common.c (targetcm): Add.
5765         * c-opts.c (c_common_handle_option): Handle language specific
5766         target options.
5767         * opts.c (handle_option): Verify language for target options, if
5768         any are given.
5769         * opth-gen.awk: Add CL_LANG_ALL.
5770         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5771         (TARGETCM_INITIALIZER): Add.
5772         * target.h (struct gcc_targetcm): Add.
5773         (targetcm): Add.
5774         * targhooks.c (default_handle_c_option): Add.
5775         * targhooks.h (default_handle_c_option): Add.
5776         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5777
5778         * config/darwin.opt (iframework): Add.
5779         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5780         * config/darwin-c.c (handle_c_option): Add.
5781         (TARGET_HANDLE_C_OPTION): Add.
5782         (targetcm): Add.
5783         * doc/invoke.texi (Darwin Options): Add -iframework.
5784
5785 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5786
5787         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5788         conversion.
5789
5790 2007-03-05  Ian Lance Taylor  <iant@google.com>
5791
5792         * c.opt (fgnu89-inline): New option.
5793         * c-opts.c (c_common_post_options): Set default value for
5794         flag_gnu89_inline.
5795         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5796         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5797         inline functions.
5798         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5799         (grokdeclarator, start_function): Likewise.
5800         * c-cppbuiltin.c (c_cpp_builtins): Define either
5801         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5802         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5803         (C Dialect Options): Document -fgnu89-inline.
5804         * doc/extend.texi (Function Attributes): Explain what the
5805         gnu_inline attribute does.
5806         * doc/cpp.texi (Common Predefined Macros): Document
5807         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5808
5809 2007-03-05  Ian Lance Taylor  <iant@google.com>
5810
5811         PR tree-optimization/31034
5812         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5813         half-range if the other side is an overflow infinity.
5814
5815 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5816
5817         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5818         (bfin*-linux-uclibc*): New configuration.
5819         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5820         defining.
5821         * config/bfin/linux.h: New file.
5822         * config/bfin/libgcc-bfin.ver: New file.
5823         * config/bfin/t-bfin-uclinux: New file.
5824         * config/bfin/t-bfin-linux: New file.
5825         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5826         (TARGET_OS_CPP_BUILTINS): New macro.
5827
5828 2007-03-05  Richard Guenther  <rguenther@suse.de>
5829
5830         * fold-const.c (fold_binary): Remove duplicate folding
5831         of comparison of non-null ADDR_EXPR against null.
5832
5833 2007-03-05  Richard Guenther  <rguenther@suse.de>
5834             Dorit Nuzman  <dorit@il.ibm.com>
5835
5836         PR tree-optimization/26420
5837         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5838         are no loops in the function.  Only print the number of
5839         vectorized loops if it is greater than zero or we are supposed
5840         to print information about unvectorized loops.
5841
5842 2007-03-05  Revital Eres  <eres@il.ibm.com>
5843
5844         * gcc.dg/var-expand1.c: New test.
5845         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5846         when an accumulator is expanded.
5847
5848 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5849
5850         PR other/30465
5851         * c-common.c (convert_and_check): Don't give warnings for
5852         conversion if 'expr' already overflowed.
5853
5854 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5855
5856         PR middle-end/30744
5857         * fold-const.c (fold_comparison): Enforce type consistency when
5858         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5859
5860 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5861
5862         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5863         containing a cast to the base of TARGET_MEM_REF.
5864
5865 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5866
5867         * tree.c (tree_contains_struct_check_failed): Remove spurious
5868         whitespace from error message.
5869
5870 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5871
5872         PR target/30406
5873         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5874         instead of precision.
5875
5876 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5877             Nathan Sidwell  <nathan@codesourcery.com>
5878
5879         * emit-rtl.c (find_auto_inc): New.
5880         (try_split): recreate REG_INC notes,
5881         Use regular for loops rather than whiles.
5882
5883 2007-03-03  Andreas Schwab  <schwab@suse.de>
5884
5885         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5886         * configure: Regenerate.
5887
5888 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5889
5890         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5891         flag_rounding_math, not flag_unsafe_math_optimizations.
5892
5893         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5894         fold_build2.
5895         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5896         alpha_fold_vector_minmax): Likewise.
5897         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5898         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5899
5900 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5901
5902         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5903         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5904         if the lhs has side-effects.
5905         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5906
5907 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5908
5909         * config/i386/i386.h (TUNEMASK): Remove define.
5910         (ARCHMASK): Remove define.
5911         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5912          Use ix86_arch_mask variable instead of ARCHMASK.
5913         * config/i386/i386.c (override_options): Ditto.
5914         (standard_80387_constant_p): Ditto.
5915
5916 2007-03-02  Ian Lance Taylor  <iant@google.com>
5917
5918         Used signed infinities in VRP.
5919         * tree-vrp.c (uses_overflow_infinity): New static function.
5920         (supports_overflow_infinity): New static function.
5921         (make_overflow_infinity): New static function.
5922         (negative_overflow_infinity): New static function.
5923         (positive_overflow_infinity): New static function.
5924         (is_negative_overflow_infinity): New static function.
5925         (is_positive_overflow_infinity): New static function.
5926         (is_overflow_infinity): New static function.
5927         (overflow_infinity_range_p): New static function.
5928         (compare_values_warnv): New function split out of compare_values.
5929         (compare_value): Call it.
5930         (set_value_range_to_nonnegative): Add overflow_infinity
5931         parameter.  Change caller.
5932         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5933         Change callers.
5934         (vrp_expr_computes_nonzero): Likewise.
5935         (compare_ranges, compare_range_with_value): Likewise.
5936         (compare_name_with_value, compare_names): Likewise.
5937         (vrp_evaluate_conditional): Likewise.
5938         (set_value_range): Handle infinity
5939         (vrp_operand_equal_p, operand_less_p): Likewise.
5940         (extract_range_from_assert): Likewise.
5941         (vrp_int_const_binop): Likewise.
5942         (extract_range_from_binary_expr): Likewise.
5943         (extract_range_from_unary_expr): Likewise.
5944         (extract_range_from_comparison): Likewise.
5945         (extract_range_from_expr): Likewise.
5946         (dump_value_range): Likewise.
5947         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5948         (test_for_singularity): Likewise.
5949         (vrp_int_const_binop): Remove inline qualifier.
5950         (adjust_range_with_scev): Add comment.
5951         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5952
5953 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5954
5955         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5956         (get_constraint_for): Likewise.
5957         (do_structure_copy): Likewise.
5958         (find_func_aliases): Fix references to MODIFY_EXPR.
5959         (intra_create_variable_infos): Tidy.
5960         * tree-ssa-operands.c (add_virtual_operand): Add argument
5961         IS_CALL_SITE.
5962         When adding members of alias sets, if IS_CALL_SITE is true and
5963         the symbol is not call-clobbered, skip it.
5964         Adjust all callers.
5965
5966 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5967
5968         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5969         entry by means of emit_insn_at_entry.
5970
5971 2007-03-02  Richard Henderson  <rth@redhat.com>
5972
5973         * expr.h (promoted_input_arg): Remove decl.
5974         * function.c (promoted_input_arg): Merge into ...
5975         * combine.c (setup_incoming_promotions): ... only caller.
5976         Rearrange to avoid double loop.
5977
5978 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5979             Peter Bergner  <bergner@vnet.ibm.com>
5980             Janis Johnson  <janis187@us.ibm.com>
5981
5982         * config/rs6000/dfp.md: New file.
5983         * config/rs6000/rs6000.md: Include dfp.md.
5984         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5985         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5986         and TDmode decimal float modes in FP registers.
5987         (num_insns_constant): Likewise.
5988         (rs6000_legitimate_offset_address_p): Likewise.
5989         (rs6000_legitimize_address): Likewise.
5990         (rs6000_legitimize_reload_address): Likewise.
5991         (rs6000_legitimate_address): Likewise.
5992         (rs6000_emit_move): Likewise.
5993         (function_arg_boundary): Likewise.
5994         (function_arg_advance): Likewise.
5995         (rs6000_darwin64_record_arg_recurse): Likewise.
5996         (function_arg): Likewise.
5997         (rs6000_gimplify_va_arg): Likewise.
5998         (rs6000_split_multireg_move): Likewise.
5999         (rs6000_output_function_epilogue): Likewise.
6000         (rs6000_output_function_epilogue): Likewise.
6001         (rs6000_register_move_cost): Likewise.
6002         (rs6000_function_value): Likewise.
6003         (rs6000_libcall_value): Likewise.
6004
6005 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6006
6007         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6008
6009 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6010
6011         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6012         Use $MULTIDIR to choose between the kernel and RTP headers,
6013         and use $WIND_BASE and $WIND_USR to locate them.
6014
6015 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6016
6017         * config/i386/i386.c (override_options): Put initialization of
6018         ix86_tune_mask and ix86_arch_mask to the correct place.
6019
6020 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6021             Michael Meissner  <michael.meissner@amd.com>
6022
6023         PR target/31019
6024         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6025         (ARCHMASK): Define.
6026         (TARGET_CMOVE): Use ARCHMASK.
6027         (TARGET_CMPXCHG): Ditto.
6028         (TARGET_CMPXCHG8B): Ditto.
6029         (TARGET_XADD): Ditto.
6030         (TARGET_BSWAP): Ditto.
6031         * config/i386/i386.c (ix86_tune_mask): New global variable.
6032         (ix86_arch_mask): Ditto.
6033         (override_options): Initialize ix86_tune_mask and
6034         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6035         target_flags.
6036
6037 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6038
6039         PR 30992
6040         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6041
6042 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
6043
6044         * target.h (init_dwarf_reg_sizes_extra): New target hook.
6045         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6046         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6047         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6048         hook.
6049         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6050         rs6000_init_dwarf_reg_sizes_extra): New.
6051         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6052         SPE register high parts.
6053
6054 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
6055
6056         * Makefile.in: Add install-pdf target as
6057         copied from automake v1.10 rules.
6058         * configure.ac: Add install-pdf to target list.
6059         * configure: Regenerate.
6060
6061 2007-03-01  Paul Brook  <paul@codesourcery.com>
6062
6063         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6064         modes to LDRD for DImode.
6065         (output_move_double): Fixup out of range ldrd/strd.
6066         (vfp_secondary_reload_class): Rename...
6067         (coproc_secondary_reload_class): ... to this.  Add wb argument.
6068         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6069         coproc_secondary_reload_class for CLASS_IWMMXT.
6070         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6071         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6072
6073 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6074
6075         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
6076         factor by the estimated number of iterations.
6077         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6078         prefetch latency.
6079
6080         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6081         decode_caches_intel, detect_caches_intel): New functions.
6082         (host_detect_local_cpu): Use detect_caches_amd and
6083         detect_caches_intel.
6084
6085 2007-03-01  Richard Henderson  <rth@redhat.com>
6086
6087         * expr.c (emit_move_complex_push): Export.
6088         (emit_move_complex_parts): Split out from ...
6089         (emit_move_complex): ... here.
6090         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6091         * config/i386/i386.md (movcdi): New.
6092
6093 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
6094
6095         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6096         size of mode1 to check for tieable modes in MMX case.
6097
6098 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
6099
6100         * Makefile.in (rtlanal.o): Depend on tree.h.
6101         * rtl.h (offset_within_section_p, split_const): Declare.
6102         * rtlanal.c: Include tree.h.
6103         (offset_within_block_p): New function, taken from
6104         mips_offset_within_object_p.
6105         (split_const): New function, taken from mips_split_const.
6106         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6107         Declare.
6108         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6109         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6110         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6111         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6112         (m68k_illegitimate_symbolic_constant_p): New function.
6113         * config/m68k/m68k.md (movsi): Remove misleading predicates.
6114         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6115         symbolic constant that might be outside the symbol's section,
6116         move the symbol first and then add the offset.
6117         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6118         Override.
6119         * config/mips/mips.c (mips_split_const): Delete.
6120         (mips_offset_within_object_p): Delete.
6121         (mips_symbolic_constant_p): Use offset_within_section_p and
6122         split_const instead of mips_offset_within_object_p and
6123         mips_split_const.
6124         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6125         (mips_legitimize_const_move, print_operand_reloc)
6126         (mips_dangerous_for_la25_p): Use split_const instead of
6127         mips_split_const.
6128
6129 2007-02-28  Eric Christopher  <echristo@apple.com>
6130
6131         * Makefile.in (install-include-dir): Don't rm -rf include.
6132
6133 2007-02-28  Richard Guenther  <rguenther@suse.de>
6134
6135         PR middle-end/30364
6136         * fold-const.c (fold_binary): Do not associate expressions
6137         with more than one variable for integer types that do not wrap.
6138
6139 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
6140
6141         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6142         Delete, and replace with...
6143         (fold_builtin_call_array): This.  Update callers to use it.
6144         * fold-const.c (fold_build_call_list): Delete, and replace with...
6145         (fold_build_call_array): This.
6146         (fold_build_call_list_initializer): Delete, and replace with...
6147         (fold_build_call_array_initializer): This.
6148         * tree.h: Update declarations to reflect above changes.
6149
6150         * c-typeck.c (build_function_call): Store converted arguments
6151         in a stack-allocated array instead of building a list.
6152         (convert_arguments): Store arguments in the array passed in as an
6153         argument, and return the actual number of arguments.
6154         * c-format.c: (check_function_format): Pass arguments in an
6155         array instead of a list.
6156         * c-common.c (check_function_nonnull): Likewise.
6157         (check_function_sentinel): Likewise.
6158         (check_function_arguments): Likewise.
6159         * c-common.h: Update declarations to reflect above changes.
6160
6161 2007-02-28  Jan Hubicka  <jh@suse.cz>
6162
6163         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6164         PRED_NEGATIVE_RETURN): Update outcomes.
6165
6166 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
6167
6168         * calls.c (emit_library_call_value_1): Handle partial registers
6169         correctly when building up CALL_INSN_FUNCTION_USAGE.
6170
6171 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6172
6173         * pa/predicates.md (move_src_operand): Allow zero for mode.
6174         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6175         move pattern.
6176
6177 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
6178
6179         PR target/30970
6180         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6181         *movv2df_internal): Enable pattern only for valid operand
6182         combinations.
6183         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6184         tie only 128bit modes. For MMX registers, tie only 64bit modes.
6185
6186 2007-02-27  Mike Stump  <mrs@apple.com>
6187
6188         * config/darwin-crt3.c: Avoid compilation when compiling for a
6189         kext multilib.
6190
6191 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
6192
6193         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6194         FIXED_INCLUDE_DIR.
6195         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6196         for fixed headers and limits.h.
6197         (install-include-dir, install-headers-tar, install-headers-cpio,
6198         install-headers-cp, real-install-headers-tar,
6199         real-install-headers-cpio, real-install-headers-cp): Handle
6200         include-fixed as well as include.
6201         (install-mkheaders): Don't install files that go only in include
6202         not include-fixed.
6203         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6204         from GCC_INCLUDE_DIR.
6205         * gcc.c (process_command): Remove special -BstageN/ handling.
6206         (do_spec_1): Add include-fixed directories.
6207
6208 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6209
6210         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6211         _smulsi3_highpart.
6212         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6213         New functions.
6214         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6215         patterns.
6216
6217 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
6218
6219         * c-common.c (get_priority): Add check for
6220         SUPPORTS_INIT_PRIORITY.
6221
6222 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6223
6224         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6225
6226         * config/bfin/bfin.c: Include "cfglayout.h".
6227         (MAX_LSETUP_DISTANCE): New macro.
6228         (struct loop_info): New members incoming, incoming_src and
6229         incoming_dest.  Delete member predecessor.
6230         (length_for_loop): New function.
6231         (bfin_optimize_loop): Handle more different loop structures.
6232         (bfin_discover_loop): Rework detection of predecessor blocks by
6233         examining incoming edges.
6234         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6235         bfin_reorg_loops.
6236         (bfin_reorder_loops): New function.
6237         (bfin_reorg_loops): Use these three new functions.
6238
6239         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6240         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6241         (CONSTRAINT_LEN): Add entry for 'q'.
6242         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6243         Add 'q' constraints.
6244         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6245         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6246
6247         * config/bfin/bfin.md (add_with_carry): New pattern.
6248         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6249         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6250         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6251         support unsigned multiplies too.  Removed incorrect commutativity from
6252         operand 1 constraint where appropriate.
6253         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6254         patterns.
6255         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6256         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6257         New patterns.
6258         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6259         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6260         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6261         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6262         usmulhisi_hh_huh): New patterns.
6263
6264         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6265         lshifthi3): Fix output template to use half reg for operand 2.
6266
6267         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6268         instead of R2.
6269
6270         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6271
6272 2007-02-27  Andreas Schwab  <schwab@suse.de>
6273
6274         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6275
6276 2007-02-27  Jan Hubicka  <jh@suse.cz>
6277
6278         * predict.c (last_basic_block_p): Remove.
6279         (tree_estimate_probability): Update return heuristic for commonized
6280         return blocks.
6281
6282 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6283
6284         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6285
6286 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6287
6288         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6289         * doc/cpp.texi: Standardize title page.
6290         * doc/cppinternals.texi: Likewise.
6291         * doc/gcc.texi: Standardize title page, remove version number
6292         from copyright page.
6293         * doc/gccint.texi: Likewise.
6294         * doc/install.texi: Standardize title page, add table of
6295         contents.
6296
6297 2007-02-26  Jan Hubicka  <jh@suse.cz>
6298
6299         * predict.def: Set outcomes according to more recent results.
6300         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6301         Remove dead predictors.
6302         * predict.c (return_prediction): Fix pasto.
6303
6304 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6305
6306         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6307         change; avoid a memory leak when returning early.
6308
6309 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6310
6311         * c-decl.c (static_ctors): Move to c-common.c.
6312         (static_dtors): Likewise.
6313         (finish_function): Use c_record_cdtor_fn.
6314         (build_cdtor): Move to c-common.c.
6315         (c_write_global_declarations): Use c_build_cdtor_fns.
6316         * c-common.h (static_ctors): Declare.
6317         (static_dtors): Likewise.
6318         (c_record_cdtor_fn): Likewise.
6319         (c_build_cdtor_fns): Likewise.
6320         * c-common.c (static_ctors): New variable.
6321         (static_dtors): Likewise.
6322         (c_record_cdtor_fn): New function.
6323         (build_cdtor): Move from c-decl.c
6324         (c_build_cdtor_fns): New function.
6325
6326         * output.h (assemble_addr_to_section): Declare.
6327         (get_cdtor_priority_section): Likewise.
6328         * varasm.c (assemble_addr_to_section): New function.
6329         (get_cdtor_priority_section): Likewise.
6330         (default_named_section_asm_out_destructor): Use them.
6331         (destor_dtor_section_asm_out_destructor): Likewise.
6332         (default_named_section_asm_out_constructor): Likewise.
6333         (default_ctor_section_asm_out_constructor): Likewise.
6334         * config.gcc (*-*-vxworks*): Include vxworks.o.
6335         * config/t-vxworks (vxworks.o): New target.
6336         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6337         (TARGET_ASM_CONSTRUCTOR): Define.
6338         (TARGET_ASM_DESTRUCTOR): Likewise.
6339         (vxworks_asm_out_constructor): Declare.
6340         (vxworks_asm_out_destructor): Likewise.
6341
6342         * c-common.c (get_priority): Check that we have not just an
6343         INTEGER_CST, but an integer constant with integeral type.
6344
6345 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6346
6347         PR tree-optimization/30938
6348         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6349         use &dt[nargs-1] instead of &dt[nargs] in the call to
6350         vect_is_simple_use().
6351
6352 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6353
6354         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6355         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6356         Do not attempt to handle MEM inside auto-inc expressions.
6357         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6358         of a register modified by an auto-inc expression.  However, do handle
6359         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6360         (elimination_effects): Prohibit elimination of a register modified
6361         by an auto-inc expression.  Disable register elimination rules whose
6362         target register is modified by an auto-inc expression with variable
6363         increment.
6364
6365 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6366
6367         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6368         off-by-one error.
6369         (array_at_struct_end_p): New function.
6370         (idx_infer_loop_bounds): Use it.
6371         (estimate_numbers_of_iterations_loop): Export.
6372         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6373         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6374         (tree_estimate_probability): Call record_loop_exits.
6375         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6376         (estimated_loop_iterations, estimated_loop_iterations_int,
6377         estimated_loop_iterations_tree): New functions.
6378         (analyze_siv_subscript_cst_affine,
6379         compute_overlap_steps_for_affine_1_2,
6380         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6381         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6382         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6383         (PRED_LOOP_ITERATIONS_GUESSED): New.
6384         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6385         * cfgloop.h (estimate_numbers_of_iterations_loop,
6386         estimated_loop_iterations_int): Declare.
6387
6388 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6389
6390         * doc/extend.texi: Document optional priority argument to
6391         constructors and destructors.
6392         * tree.c (init_priority_for_decl): Adjust GTY markers.
6393         (init_ttree): Use priority-info hash functions for
6394         init_priority_for_decl.
6395         (tree_map_eq): Rename to ...
6396         (tree_map_base_eq): ... this.
6397         (tree_map_marked_p): Rename to ...
6398         (tree_map_base_marked_p): ... this.
6399         (tree_map_base_hash): New function.
6400         (decl_init_priority_lookup): Rework.
6401         (decl_fini_priority_lookup): New function.
6402         (decl_priority_info): New function.
6403         (decl_init_priority_insert): Use it.
6404         (decl_fini_priority_insert): Likewise.
6405         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6406         hierarchy.
6407         (decl_restrict_base_insert): Likewise.
6408         (decl_debug_expr_insert): Likewise.
6409         (decl_value_expr_lookup): Likewise.
6410         (decl_value_expr_insert): Likewise.
6411         * tree.h (priority_type): New type.
6412         (decl_init_priority_lookup): Use priority_type.
6413         (decl_fini_priority_lookup): New function.
6414         (decl_init_priority_insert): Use priority_type.
6415         (decl_fini_priority_insert): New function.
6416         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6417         (DECL_INIT_PRIORITY): Likewise.
6418         (SET_DECL_INIT_PRIORITY): Add comment.
6419         (DECL_FINI_PRIORITY): New macro.
6420         (SET_DECL_FINI_PRIORITY): Likewise.
6421         (DEFAULT_INIT_PRIORITY): Document.
6422         (MAX_INIT_PRIORITY): Likewise.
6423         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6424         (tree_map_base): New type.
6425         (tree_map_base_eq): New function.
6426         (tree_map_base_hash): Likewise.
6427         (tree_map_base_marked_p): Likewise.
6428         (tree_map): Inherit from tree_map_base.
6429         (tree_map_eq): Make it a macro.
6430         (tree_map_marked_p): Likewise.
6431         (tree_int_map): Inherit from tree_map_base.
6432         (tree_int_map_eq): Make it a macro.
6433         (tree_int_map_hash): Likewise.
6434         (tree_int_map_marked_p): Likewise.
6435         (tree_priority_map): New type.
6436         (tree_priority_map_eq): New macro.
6437         (tree_priority_map_hash): Likewise.
6438         (tree_priority_map_marked_p): Likewise.
6439         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6440         hierarchy.
6441         (emutls_common_1): Likewise.
6442         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6443         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6444         of tree_map hierarchy.
6445         * tree-cfg.c (move_stmt_r): Likewise.
6446         (new_label_mapper): Likewise.
6447         * c-tree.h (c_expand_body): Move to ...
6448         * c-common.h (c_expand_body): ... here.
6449         * c-decl.c (c_expand_body): Move to ...
6450         * c-common.c (c_expand_body): ... here.
6451         (c_common_attribute_table): Allow 1 argument for the constructor
6452         and destructor attributes.
6453         (get_priority): New function.
6454         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6455         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6456
6457 2007-02-24  Jan Hubicka  <jh@suse.cz>
6458
6459         PR middle-end/30509
6460         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6461
6462 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6463             Jan Hubicka  <jh@suse.cz>
6464
6465         PR target/30778
6466         * i386.c (counter_mode): New function.
6467         (expand_set_or_movmem_via_loop): Use it.
6468         (expand_movmem_epilogue): Likewise; fix pasto.
6469         (ix86_expand_movmem): Do emit guard even for constant counts.
6470         (ix86_expand_setmem): Likewise.
6471
6472 2007-02-25  Nick Clifton  <nickc@redhat.com>
6473
6474         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6475         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6476
6477 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6478
6479         PR target/30770
6480         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6481         count argument with 0x10, not with 0x16.
6482         (expand_setmem_epilogue): Ditto.
6483
6484 2007-02-24  Mike Stump  <mrs@apple.com>
6485
6486         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6487         symbols.
6488
6489 2007-02-24  Richard Guenther  <rguenther@suse.de>
6490
6491         PR middle-end/30951
6492         * fold-const.c (fold_binary): Fold x +- CST op x for
6493         EQ_EXPR and NE_EXPR.
6494
6495 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6496
6497         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6498
6499 2007-02-24  Jan Hubicka  <jh@suse.cz>
6500
6501         * cgraphunit.c (decide_is_function_needed): Honor
6502         -fkeep-inline-functions.
6503
6504 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6505
6506         * builtins.c (fold_builtin_modf): New.
6507         (fold_builtin_2): Use it.
6508
6509 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6510
6511         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6512         (determine_max_iter): Take additional LOOP arg; all callers changed.
6513         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6514         one using simplifications.
6515         (simplify_using_initial_values): Return if the expression becomes
6516         invalid due to altered regs.
6517
6518 2007-02-23  DJ Delorie  <dj@redhat.com>
6519
6520         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6521
6522 2007-02-23  Mike Stump  <mrs@apple.com>
6523
6524         * tlink.c (scan_linker_output): Parse linker messages from
6525         darwin9's linker better.
6526
6527 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6528
6529         PR debug/29614
6530         * varpool.c (varpool_assemble_pending_decls):  Set
6531         varpool_last_needed_node to null.
6532
6533 2007-02-23  DJ Delorie  <dj@redhat.com>
6534
6535         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6536         alignment bigger than the object file can handle.
6537
6538 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6539
6540         PR target/30825
6541         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6542         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6543         (*movsf_1): Penalize MMX moves.
6544
6545 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6546
6547         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6548         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6549
6550         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6551
6552 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6553
6554         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6555         (fold_builtin_1): Use them.
6556         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6557         BUILT_IN_SIGNIFICAND.
6558
6559 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6560
6561         * config/i386/i386.c (bdesc_1arg): Initialize
6562         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6563         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6564         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6565         and IX86_BUILTIN_MOVSLDUP.
6566
6567 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6568
6569         PR rtl-optimization/30841
6570         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6571
6572 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6573
6574         * builtins.c (fold_builtin_frexp): New.
6575         (fold_builtin_2): Use it.
6576
6577 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6578
6579         * doc/invoke.texi (Spec Files): Document getenv spec function.
6580
6581         * gcc.c (getenv_spec_function): New function.
6582         (static_spec_functions): Add it.
6583         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6584         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6585         header files.
6586
6587 2007-02-22  Michael Matz  <matz@suse.de
6588
6589         PR c++/29433
6590         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6591         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6592
6593 2007-02-22  Ian Lance Taylor  <iant@google.com>
6594
6595         PR debug/30898
6596         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6597         (mem_loc_descriptor): Call it.
6598
6599 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6600             Ira Rosen  <irar@il.ibm.com>
6601
6602         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6603
6604 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6605
6606         PR tree-optimization/30843
6607         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6608         stores only after all the group is vectorized.
6609
6610 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6611
6612         PR tree-optimization/30858
6613         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6614         in the reduction cycle have a single use in the loop.
6615         * tree-vectorizer.h (relevant): Add documentation.
6616
6617 2007-02-20  Mike Stump  <mrs@apple.com>
6618
6619         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6620         * configure: Regenerate.
6621
6622 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6623
6624         Change the defaults of some parameters and options.
6625         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6626         * config/spu/spu.c (spu_optimization_options): Add.
6627         (spu_override_options): Change params in spu_optimization_options.
6628         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6629
6630         Register 127 is only 16 byte aligned when used as a frame pointer.
6631         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6632         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6633         HARD_FRAME_POINTER_REGNUM.
6634         (spu_legitimate_address):  Use regno_aligned_for_reload.
6635         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6636         aligned when frame_pointer_needed is true.
6637         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6638         to 8 bits.
6639         * config/spu/spu.h (INIT_EXPANDERS): Define.
6640
6641         Make sure shift and rotate instructions have valid immediate operands.
6642         * config/spu/predicates.md (spu_shift_operand): Remove.
6643         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6644         * config/spu/constraints.md (W, O): Extend range.
6645         * config/spu/spu.md (umask, nmask): Define.
6646         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6647         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6648         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6649         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6650         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6651         (lshr<mode>3_reg):  Fix rtl description.
6652
6653         Make sure mulhisi immediate operands are valid.
6654         * config/spu/predicates.md (imm_K_operand): Add.
6655         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6656
6657         Generate constants using fsmbi and andi.
6658         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6659         (print_operand, spu_split_immediate, classify_immediate,
6660         fsmbi_const_p): Handle IC_FSMBI2.
6661
6662         Correctly handle a CONST_VECTOR containing symbols.
6663         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6664         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6665         (immediate_load_p): Allow symbols that use 2 instructions to create.
6666         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6667         with symbols when flag_pic is set.
6668         (const_vector_immediate_p): New.
6669         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6670         accept a CONST_VECTOR with symbols.
6671         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6672         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6673         correctly.
6674         * config/spu/spu.md (high, low): Delete.
6675         (low_<mode>): Define.
6676
6677         Remove INTRmode and INTR_REGNUM, which didn't work.
6678         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6679         of INTR_REGNUM.
6680         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6681         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6682         peephole2 pattern): Don't use INTR or 131.
6683         (movintrcc): Delete.
6684         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6685         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6686         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6687         (UNSPEC_SET_INTR): Add.
6688         * config/spu/spu-modes.def (INTR): Remove.
6689
6690         More accurate warnings about run-time relocations.
6691         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6692
6693         Correctly warn about immediate arguments to specific intrinsics.
6694         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6695         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6696         the instruction predicate.
6697
6698         Fix tree check errors with latest update.
6699         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6700         CALL_EXPR_ARG.
6701         (spu_expand_builtin): Use CALL_EXPR_FN.
6702
6703         Add missing specific intrinsics.
6704         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6705         si_bislede.
6706         * config/spu/spu_internals.h: Ditto.
6707
6708         Fix incorrect operand modifiers.
6709         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6710         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6711
6712         Optimize one case of zero_extend of a vec_select.
6713         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6714
6715         Accept any immediate for hbr.
6716         * config/spu/spu.md (hbr):  Change s constraints to i.
6717
6718 2007-02-21  Paul Brook  <paul@codesourcery.com>
6719
6720         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6721         condexec_count when skipping USE and CLOBBER.
6722
6723 2007-02-21  Nick Clifton  <nickc@redhat.com>
6724
6725         * common.opt (Warray-bounds): Add Warning attribute.
6726         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6727         Likewise.
6728         (fsized-zeroes): Add Optimization attribute.
6729         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6730         * c.opt (Wc++0x-compat): Add Warning attribute.
6731
6732 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6733
6734         PR middle-end/30761
6735         * reload1.c (eliminate_regs_in_insn): In the single_set special
6736         case, attempt to re-recognize the insn before falling back to
6737         having reload fix it up.
6738
6739 2007-02-20  Eric Christopher  <echristo@gmail.com>
6740
6741         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6742         Rewrite accordingly.
6743         (frv_read_iacc_argument): Ditto.
6744         (frv_expand_set_builtin): Take a call instead of arglist, update for
6745         above changes.
6746         (frv_expand_unop_builtin): Ditto.
6747         (frv_expand_binop_builtin): Ditto.
6748         (frv_expand_cut_builtin): Ditto.
6749         (frv_expand_binopimm_builtin): Ditto.
6750         (frv_expand_voidbinop_builtin): Ditto.
6751         (frv_expand_int_void2arg): Ditto.
6752         (frv_expand_prefetches): Ditto.
6753         (frv_expand_voidtriop_builtin): Ditto.
6754         (frv_expand_voidaccop_builtin): Ditto.
6755         (frv_expand_load_builtin): Ditto.
6756         (frv_expand_store_builtin): Ditto.
6757         (frv_expand_mdpackh_builtin): Ditto.
6758         (frv_expand_mclracc_builtin): Ditto.
6759         (frv_expand_mrdacc_builtin): Ditto.
6760         (frv_expand_mwtacc_builtin): Ditto.
6761         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6762         calls for above.
6763
6764 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6765
6766         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6767         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6768         cmpb instruction.
6769         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6770         point instructions.
6771         * configure: Regenerate.
6772         * config.in: Regenerate.
6773         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6774         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6775         masks to power6 and power6x and to POWERPC_MASKS.
6776         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6777         _ARCH_PWR6.
6778         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6779         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6780         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6781         Access PROTOTYPE as variable, not mask.
6782
6783 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6784
6785         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6786         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6787         * combine.c (adjust_for_new_dest): Use it.
6788         * postreload.c (reload_combine): Likewise.
6789
6790 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6791
6792         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6793         notes on an insn with multiple sets, even if single_set returns
6794         non-NULL for that insn.
6795
6796 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6797
6798         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6799         scalbn and scalbln.
6800
6801 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6802
6803         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6804         if user didn't pass it.
6805         * config/i386/darwin.h (CC1_SPEC): Likewise.
6806         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6807         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6808         -mmacosx-version-min.
6809
6810 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6811             Uros Bizjak  <ubizjak@gmail.com>
6812
6813         * optabs.h (enum optab_index): Add new OTI_scalb.
6814         (scalb_optab): Define corresponding macro.
6815         * optabs.c (init_optabs): Initialize scalb_optab.
6816         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6817         patterns.
6818         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6819         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6820         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6821         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6822         flag_unsafe_math_optimizations is set.
6823
6824         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6825         to implement scalbf, scalb and scalbl built-ins as inline x87
6826         intrinsics.
6827
6828 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6829             DJ Delorie <dj@redhat.com>
6830
6831         PR other/30824
6832         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6833         (diagnostic_report_diagnostic): ... here, and turn them into real
6834         errors. If warnings are inhibited, no need to do anything.
6835
6836 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6837
6838         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6839         better code generation.
6840
6841 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6842
6843         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6844
6845 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6846
6847         * config/alpha/alpha.c, config/alpha/alpha.md,
6848         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6849         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6850         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6851         config/arm/lib1funcs.asm: Follow spelling conventions.
6852
6853         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6854         config/fr30/fr30.md, config/i386/i386.h,
6855         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6856         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6857         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6858         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6859         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6860         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6861         config/sparc/sparc.c, config/sparc/sparc.h,
6862         config/sparc/sparc.md, config/spu/constraints.md,
6863         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6864         conventions.
6865
6866 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6867
6868         PR target/29943
6869         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6870         alias attribute.
6871
6872 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6873
6874         * doc/invoke.texi (-ftree-lrs): Remove.
6875
6876 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6877
6878         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6879         NULL.
6880
6881 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6882
6883         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6884         new CALL_EXPR_FN macro for retrieving the function
6885         declaration of the input expression.
6886
6887 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6888
6889         * c.opt (Waddress): New.
6890         * common.opt (Walways-true): Delete.
6891         (Wstring-literal-comparison): Delete.
6892         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6893         -Wstring-literal-comparison. Add -Waddress.
6894         (Waddress): New.
6895         (Walways-true): Delete.
6896         (Wstring-literal-comparison): Delete.
6897         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6898         consistently instead of -Walways-true in example.
6899         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6900         * c-typeck.c (parser_build_binary_op): Replace
6901         -Wstring-literal-comparison and -Walways-true with -Waddress.
6902         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6903         with -Waddress.
6904
6905 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6906
6907         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6908         without DECL_STRUCT_FUNCTION initialized.
6909
6910 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6911
6912         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6913         due to calls to functions taking pointers as parameters.
6914
6915 2007-02-19  Richard Henderson  <rth@redhat.com>
6916
6917         PR debug/29558
6918         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6919         in memory.
6920
6921 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6922
6923         * config/s390/s390.c (s390_call_saved_register_used,
6924         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6925         accessed to the new scheme.
6926
6927 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6928
6929         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6930         (cris_print_index, cris_print_operand, cris_print_operand_address)
6931         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6932         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6933         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6934         GET_CODE () == xxx.
6935         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6936         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6937         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6938         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6939         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6940         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6941         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6942         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6943         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6944         (uminsi3, call, call_value): Ditto.
6945         (define_split: indir_to_reg_split, unnamed): Ditto.
6946
6947 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6948
6949         PR tree-optimization/30975
6950         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6951         wrong assert.
6952
6953 2007-02-18  Eric Christopher  <echristo@gmail.com>
6954
6955         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6956         Remove use of arglist.
6957         (mips_expand_builtin): Remove use of arglist, pass in expr.
6958         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6959         (mips_expand_builtin_movtf): Ditto.
6960         (mips_expand_builtin_compare): Ditto.
6961
6962 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6963
6964         * tree-sra.c (sra_build_assignment): Replace assertion
6965         checking with a comment explaining why it can't be done.
6966
6967 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6968
6969         PR middle-end/30833
6970         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6971         during CALL_EXPR representation conversion.
6972         * tree-ssa-propagate.c (set_rhs): Likewise.
6973
6974 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6975
6976         * tree-sra.c (sra_build_assignment): Disable assertion checking
6977         for now.
6978
6979 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6980
6981         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6982         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6983         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6984         Likewise.
6985         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6986         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6987         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6988         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6989         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6990         force_gimple_operand): Likewise.
6991         * ipa-cp.c (constant_val_insert): Likewise.
6992         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6993         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6994         perfect_nestify): Likewise.
6995         * langhooks.c (lhd_omp_assignment): Likewise.
6996         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6997         lower_copyprivate_clauses, lower_send_clauses,
6998         lower_send_shared_vars, expand_parallel_call,
6999         expand_omp_for_generic, expand_omp_for_static_nochunk,
7000         expand_omp_for_static_chunk, expand_omp_sections,
7001         lower_omp_single_copy, lower_omp_for_lastprivate,
7002         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7003         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7004         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7005         Likewise.
7006
7007 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7008
7009         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7010         config/sh/sh.md: Follow spelling conventions.
7011
7012         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7013         config/frv/predicates.md: Follow spelling conventions.
7014
7015         * config/m68k/linux-unwind.h: Fix a comment typo.
7016         * target.h: Follow spelling conventions.
7017
7018 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7019
7020         PR rtl-optimization/28173
7021         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
7022         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7023         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7024         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7025         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7026
7027 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7028
7029         * builtins.c (fold_builtin_load_exponent): New.
7030         (fold_builtin_2): Use it.
7031
7032 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
7033
7034         PR rtl-optimization/30773
7035         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7036         if we fail to attach a REG_EQUIV note.
7037
7038 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
7039             Roger Sayle  <roger@eyesopen.com>
7040
7041         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7042
7043 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7044
7045         * calls.c (initialize_argument_information): Pass original EXP
7046         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
7047         code to split complex arguments here, as part of initializing the
7048         ARGS array.
7049         (expand_call): Remove code that builds a list of arguments and
7050         inserts implicit arguments into it.  Instead, just count how many
7051         implicit arguments there will be so we can determine the size of
7052         the ARGS array, and let initialize_argument_information do the work.
7053         (split_complex_values): Delete unused function.
7054
7055 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7056
7057         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7058
7059 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7060
7061         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7062         for arg pointer based indexed addressing.
7063
7064 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7065
7066         * config/ia64/ia64.h, config/ia64/ia64.md,
7067         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7068         spelling conventions.
7069
7070 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7071
7072         * config/m68k/m68k.c (split_di): New.
7073         * config/m68k/m68k-protos.h: Declare split_di.
7074         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7075           Improve predicate handling and split constant shifts.
7076
7077 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7078
7079         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7080         parameter for register bitfield operations, general predicates
7081         cleanup
7082
7083 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7084
7085         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7086         * config/m68k/linux-unwind.h: New file.
7087
7088 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7089
7090         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7091         config/i386/athlon.md, config/ia64/ia64.md,
7092         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7093         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7094         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7095         tree-ssa-loop-niter.c, tree-vect-analyze.c,
7096         tree-vect-transform.c: Fix comment typos.
7097
7098 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
7099
7100         * sched-deps.c (find_insn_list): Remove.
7101         * sched-int.h: Remove the prototype for find_insn_list.
7102
7103 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
7104
7105         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7106         to linker.
7107         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7108         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7109         darwin_rs6000_override_options.
7110         (C_COMMON_OVERRIDE_OPTIONS): Expect
7111         darwin_macosx_version_min to be non-NULL always.
7112         (TARGET_C99_FUNCTIONS): Likewise.
7113         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7114         (DARWIN_MINVERSION_SPEC): New.
7115         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7116         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7117         to cc1*.
7118         (DARWIN_MINVERSION_SPEC): New.
7119         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7120         value.
7121         * config/darwin-c.c (darwin_cpp_builtins): Expect
7122         darwin_macosx_version_min to be non-NULL always.
7123
7124         * config/rs6000/rs6000.c: Clean up trailing whitespace.
7125
7126 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
7127
7128         * config/i386/i386.h (x86_use_xchgb): New.
7129         (TARGET_USE_XCHGB): New macro.
7130         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7131         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7132         Split after reload into bswaphi for shifts of 8.
7133         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7134         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7135         or when optimizing for size.
7136
7137 2007-02-16  Richard Guenther  <rguenther@suse.de>
7138             Christian Bruel  <christian.bruel@st.com>
7139
7140         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7141         DECLs but prefer SSA_NAMEs over DECLs.
7142
7143 2007-02-16  Richard Guenther  <rguenther@suse.de>
7144
7145         * tree-flow-inline.h (single_imm_use_p): Remove.
7146         (zero_imm_uses_p): Likewise.
7147         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7148         instead of single_imm_use_p.
7149         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7150         zero_imm_uses_p.
7151
7152 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7153
7154         PR other/27843
7155         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7156         nested double- and backquotes.
7157
7158 2007-02-15  Roger Sayle  <roger@eyesopen.com>
7159
7160         PR middle-end/30391
7161         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
7162         should be unreachable.
7163         (build2_stat): Allow construction of MODIFY_EXPR at any time.
7164         For the time being redirect GIMPLE_MODIFY_STMT to the new
7165         (renamed) build_gimple_modify_stmt_stat.
7166         (build2_gimple_stat): Rename to...
7167         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7168         Always build a GIMPLE_MODIFY_STMT node.
7169         * tree.h (build2_gimple, build2_gimple_stat): Delete.
7170         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7171         declarations.
7172
7173         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7174         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7175         * tree-complex.c (set_component_ssa_name, expand_complex_move,
7176         expand_complex_div_wide): Likewise.
7177         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7178         * tree-ssa-loop-im.c (schedule_sm): Likewise.
7179         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7180         * tree-ssa-loop-manip.c (create_iv): Likewise.
7181         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7182         abs_replacement): Likewise.
7183         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7184         realify_fake_stores): Likewise.
7185
7186         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7187         node rather than a GIMPLE_MODIFY_STMT node.
7188         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7189         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7190         Likewise.
7191         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7192         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7193         GIMPLE_MODIFY_STMT.
7194
7195 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7196
7197         PR middle-end/30433
7198         * fold-const.c (fold_comparison): Add back the
7199         folding of constant complex comparisions.
7200
7201 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7202
7203         PR middle-end/30729
7204         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7205         effects unknown to this function, return early.
7206
7207 2007-02-15  Ian Lance Taylor  <iant@google.com>
7208
7209         * lower-subreg.c (move_eh_region_note): New static function.
7210         (resolve_simple_move): Call it.
7211         (decompose_multiword_subregs): Track blocks for which we resolve a
7212         simple move which is also a control flow insn.  Pass them to
7213         find_many_sub_basic_blocks.
7214         (pass_lower_subreg): Add TODO_verify_flow.
7215         (pass_lower_subreg2): Likewise.
7216
7217 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7218             Brooks Moses  <brooks.moses@codesourcery.com>
7219             Lee Millward  <lee.millward@codesourcery.com>
7220
7221         * tree.h (enum tree_code_class): Add tcc_vl_exp.
7222         (VL_EXP_CLASS_P): New.
7223         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7224         TREE_CODE_LENGTH.
7225         (TREE_OPERAND_CHECK_CODE): Likewise.
7226         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7227         (TREE_RTL_OPERAND_CHECK): Likewise.
7228         (tree_operand_check_failed): Make second parameter the whole tree
7229         instead of its code.  Fixed callers.
7230         (VL_EXP_CHECK): New.
7231         (TREE_OPERAND_LENGTH): New.
7232         (VL_EXP_OPERAND_LENGTH): New.
7233         (CALL_EXPR_FN): New.
7234         (CALL_EXPR_STATIC_CHAIN): New.
7235         (CALL_EXPR_ARGS): New.
7236         (CALL_EXPR_ARG): New.
7237         (call_expr_nargs): New.
7238         (CALL_EXPR_ARGP): New.
7239         (build_nt_call_list): Declare.
7240         (build_vl_exp_stat): Declare.
7241         (build_vl_exp): New.
7242         (build_call_list): Declare.
7243         (build_call_nary): Declare.
7244         (build_call_valist): Declare.
7245         (build_call_array): Declare.
7246         (call_expr_arg): Declare.
7247         (call_expr_argp): Declare.
7248         (call_expr_arglist): Declare.
7249         (fold_build_call_list): Declare.
7250         (fold_build_call_list_initializer): Declare.
7251         (fold_call_expr): Declare to replace fold_builtin.
7252         (fold_builtin_fputs): Update to agree with modified definition.
7253         (fold_builtin_strcpy): Likewise.
7254         (fold_builtin_strncpy): Likewise.
7255         (fold_builtin_memory_chk): Likewise.
7256         (fold_builtin_stxcpy_chk): Likewise.
7257         (fold_builtin_strncpy_chk): Likewise.
7258         (fold_builtin_next_arg): Likewise.
7259         (fold_build_call_expr): Declare.
7260         (fold_builtin_call_list): Declare.
7261         (fold_builtin_call_valist): Declare.
7262         (build_call_expr): Declare.
7263         (validate_arglist): Update to agree with modified definition.
7264         (tree_operand_length): New.
7265         (call_expr_arg_iterator): New.
7266         (init_call_expr_arg_iterator): New.
7267         (next_call_expr_arg): New.
7268         (first_call_expr_arg): New.
7269         (more_call_expr_args_p): New.
7270         (FOR_EACH_CALL_EXPR_ARG): New.
7271
7272         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7273         and tcc_gimple_stmt.
7274         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7275         than sizeof (char *).
7276         (tree_size): Likewise.  Add case for tcc_vl_exp.
7277         (tree_node_structure): Add case for tcc_vl_exp.
7278         (contains_placeholder_p): Likewise.
7279         (substitute_in_expr): Likewise.
7280         (substitute_placeholder_in_expr): Likewise.
7281         (stabilize_reference_1): Likewise.
7282         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7283         to diagnose breakage of this interface for constructing CALL_EXPRs.
7284         (build_nt): Add similar assertion here.
7285         (build_nt_call_list): New.
7286         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7287         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7288         TREE_CODE_LENGTH.
7289         (get_callee_fndecl): Use new CALL_EXPR accessors.
7290         (tree_operand_check_failed): Change parameters to pass entire node
7291         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7292         (process_call_operands): New.
7293         (build_vl_exp_stat): New.
7294         (build_call_list): New.
7295         (build_call_nary): New.
7296         (build_call_valist): New.
7297         (build_call_array): New.
7298         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7299         (call_expr_arglist): New.
7300
7301         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7302         tcc_vl_exp instead of a fixed-size tcc_expression.
7303
7304         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7305         accessors for CALL_EXPRs.
7306         (AGGR_INIT_EXPR): Likewise.
7307
7308 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7309             Brooks Moses  <brooks.moses@codesourcery.com>
7310             Lee Millward  <lee.millward@codesourcery.com>
7311
7312         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7313         (expand_builtin_nonlocal_goto): Change parameter to be entire
7314         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7315         (expand_builtin_prefetch): Likewise.
7316         (expand_builtin_classify_type): Likewise.
7317         (mathfn_built_in): Return NULL_TREE instead of 0.
7318         (expand_errno_check): Use new CALL_EXPR accessors.
7319         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7320         Return NULL_RTX instead of 0.
7321         (expand_builtin_mathfn_2): Likewise.
7322         (expand_builtin_mathfn_3): Likewise.
7323         (expand_builtin_interclass_mathfn): Likewise.
7324         (expand_builtin_sincos): Likewise.
7325         (expand_builtin_cexpi): Likewise.
7326         (expand_builtin_int_roundingfn): Likewise.
7327         (expand_builtin_int_roundingfn_2): Likewise.
7328         (expand_builtin_pow): Likewise.
7329         (expand_builtin_powi): Likewise.
7330         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7331         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7332         accessors and constructors.  Return NULL_RTX instead of 0.
7333         (expand_builtin_strstr): Likewise.
7334         (expand_builtin_strchr): Likewise.
7335         (expand_builtin_strrchr): Likewise.
7336         (expand_builtin_strpbrk): Likewise.
7337         (expand_builtin_memcpy): Likewise.
7338         (expand_builtin_mempcpy): Likewise.
7339         (expand_builtin_mempcpy_args): New.
7340         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7341         (expand_builtin_memmove_args): New.
7342         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7343         (expand_movstr): Likewise.
7344         (expand_builtin_strcpy): Likewise.
7345         (expand_builtin_strcpy_args): New.
7346         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7347         (expand_builtin_strncpy): Likewise.
7348         (expand_builtin_memset): Likewise.
7349         (expand_builtin_memset_args): New.
7350         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7351         (expand_builtin_memcmp): Likewise.
7352         (expand_builtin_strcmp): Likewise.
7353         (expand_builtin_strncmp): Likewise.
7354         (expand_builtin_strcat): Likewise.
7355         (expand_builtin_strncat): Likewise.
7356         (expand_builtin_strspn): Likewise.
7357         (expand_builtin_strcspn): Likewise.
7358         (expand_builtin_args_info): Likewise.
7359         (expand_builtin_va_start): Likewise.
7360         (gimplify_va_arg_expr): Likewise.
7361         (expand_builtin_va_end): Likewise.
7362         (expand_builtin_va_copy): Likewise.
7363         (expand_builtin_frame_address): Likewise.
7364         (expand_builtin_alloca): Likewise.
7365         (expand_builtin_bswap): Likewise.
7366         (expand_builtin_unop): Likewise.
7367         (expand_builtin_fputs): Likewise.
7368         (expand_builtin_expect): Likewise.
7369         (expand_builtin_fabs): Likewise.
7370         (expand_builtin_copysign): Likewise.
7371         (expand_builtin_printf): Likewise.
7372         (expand_builtin_fprintf): Likewise.
7373         (expand_builtin_sprintf): Likewise.
7374         (expand_builtin_init_trampoline): Likewise.
7375         (expand_builtin_signbit): Likewise.
7376         (expand_builtin_fork_or_exec): Likewise.
7377         (expand_builtin_sync_operation): Likewise.
7378         (expand_builtin_compare_and_swap): Likewise.
7379         (expand_builtin_lock_test_and_set): Likewise.
7380         (expand_builtin_lock_release): Likewise.
7381         (expand_builtin): Likewise.
7382         (builtin_mathfn_code): Likewise.
7383
7384         (fold_builtin_constant_p): Pass call arguments individually instead
7385         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7386         accessors and constructors.  Return NULL_TREE instead of 0.
7387         (fold_builtin_expect): Likewise.
7388         (fold_builtin_classify_type): Likewise.
7389         (fold_builtin_strlen): Likewise.
7390         (fold_builtin_nan): Likewise.
7391         (integer_valued_real_p): Likewise.
7392         (fold_trunc_transparent_mathfn): Likewise.
7393         (fold_fixed_mathfn): Likewise.
7394         (fold_builtin_cabs): Likewise.
7395         (fold_builtin_sqrt): Likewise.
7396         (fold_builtin_cbrt): Likewise.
7397         (fold_builtin_cos): Likewise.
7398         (fold_builtin_cosh): Likewise.
7399         (fold_builtin_tan): Likewise.
7400         (fold_builtin_sincos): Likewise.
7401         (fold_builtin_cexp): Likewise.
7402         (fold_builtin_trunc): Likewise.
7403         (fold_builtin_floor): Likewise.
7404         (fold_builtin_ceil): Likewise.
7405         (fold_builtin_round): Likewise.
7406         (fold_builtin_int_roundingfn): Likewise.
7407         (fold_builtin_bitop): Likewise.
7408         (fold_builtin_bswap): Likewise.
7409         (fold_builtin_logarithm): Likewise.
7410         (fold_builtin_hypot): Likewise.
7411         (fold_builtin_pow): Likewise.
7412         (fold_builtin_powi): Likewise.
7413         (fold_builtin_exponent): Likewise.
7414         (fold_builtin_memset): Likewise.
7415         (fold_builtin_bzero): Likewise.
7416         (fold_builtin_memory_op): Likewise.
7417         (fold_builtin_bcopy): Deleted; call site changed to invoke
7418         fold_builtin_memory_op directly.
7419         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7420         (fold_builtin_strncpy): Likewise.
7421         (fold_builtin_memcmp): Likewise.
7422         (fold_builtin_strcmp): Likewise.
7423         (fold_builtin_strncmp): Likewise.
7424         (fold_builtin_signbit): Likewise.
7425         (fold_builtin_copysign): Likewise.
7426         (fold_builtin_isascii): Likewise.
7427         (fold_builtin_toascii): Likewise.
7428         (fold_builtin_isdigit): Likewise.
7429         (fold_builtin_fabs): Likewise.
7430         (fold_builtin_abs): Likewise.
7431         (fold_builtin_fmin_fmax): Likewise.
7432         (fold_builtin_carg): Likewise.
7433         (fold_builtin_classify): Likewise.
7434         (fold_builtin_unordered_cmp): Likewise.
7435
7436         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7437         New functions split out from fold_builtin_1.
7438         (fold_builtin_n): New.
7439         (fold_builtin_varargs): New.
7440         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7441         instead.
7442         (fold_call_expr): New.
7443         (build_function_call_expr): Rewrite to use new helper function.
7444         (fold_builtin_call_list): New.
7445         (build_call_expr): New.
7446         (fold_builtin_call_valist): New.
7447         (rewrite_call_expr): New.
7448         (validate_arg): New.
7449         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7450         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7451         accessors.
7452
7453         (fold_builtin_strstr):  Pass call arguments individually instead
7454         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7455         accessors and constructors.  Return NULL_TREE instead of 0.
7456         (fold_builtin_strchr): Likewise.
7457         (fold_builtin_strrchr): Likewise.
7458         (fold_builtin_strpbrk): Likewise.
7459         (fold_builtin_strcat): Likewise.
7460         (fold_builtin_strncat): Likewise.
7461         (fold_builtin_strspn): Likewise.
7462         (fold_builtin_strcspn): Likewise.
7463         (fold_builtin_fputs): Likewise.
7464         (fold_builtin_next_arg): Likewise.
7465         (fold_builtin_sprintf): Likewise.
7466
7467         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7468         NULL_RTX instead of 0.
7469         (expand_builtin_memory_chk): Likewise.
7470         (maybe_emit_chk_warning): Likewise.
7471         (maybe_emit_sprintf_chk_warning): Likewise.
7472
7473         (fold_builtin_object_size): Pass call arguments individually instead
7474         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7475         accessors and constructors.  Return NULL_TREE instead of 0.
7476         (fold_builtin_memory_chk): Likewise.
7477         (fold_builtin_stxcpy_chk): Likewise.
7478         (fold_builtin_strncpy_chk): Likewise.
7479         (fold_builtin_strcat_chk): Likewise.
7480         (fold_builtin_strcat_chk): Likewise.
7481         (fold_builtin_strncat_chk): Likewise.
7482         (fold_builtin_sprintf_chk): Likewise.
7483         (fold_builtin_snprintf_chk): Likewise.
7484         (fold_builtin_printf): Likewise.
7485         (fold_builtin_vprintf): Likewise.
7486
7487         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7488         constructors.
7489         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7490         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7491         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7492         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7493         (fold_unary): Likewise.
7494         (fold_binary): Likewise.
7495         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7496         ternary expressions.
7497         (fold): Add logic for tcc_vl_exp.
7498         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7499         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7500         (fold_build3_stat): Add assertion to flag broken interface for
7501         constructing CALL_EXPRs.
7502         (fold_build_call_list): New.
7503         (fold_build_call_list_initializer): New.
7504         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7505         constructors.
7506         (fold_strip_sign_ops): Likewise.
7507
7508 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7509             Brooks Moses  <brooks.moses@codesourcery.com>
7510             Lee Millward  <lee.millward@codesourcery.com>
7511
7512         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7513         accessors and dump arguments explicitly.
7514
7515         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7516         TREE_CODE_LENGTH.
7517         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7518         explicitly.
7519         (print_call_name): Use new CALL_EXPR accessors.
7520
7521         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7522         CALL_EXPR arguments explicitly instead of as a list.  Use
7523         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7524
7525         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7526         (vrp_visit_stmt): Likewise.
7527
7528         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7529         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7530         TREE_CODE_LENGTH.
7531         (force_move_till_expr): Likewise.
7532
7533         * targhooks.c (default_external_stack_protect_fail): Use
7534         build_call_expr instead of build_function_call_expr.
7535         (default_hidden_stack_protect_fail): Likewise.
7536
7537         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7538         build the call.
7539
7540         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7541         and walk arguments explicitly.
7542
7543         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7544         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7545         (expand_simple_operations): Likewise.
7546         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7547
7548         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7549         of TREE_CODE_LENGTH.
7550         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7551
7552         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7553         instead of TREE_CODE_LENGTH.
7554
7555         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7556         (tree_ic_transform): Likewise.
7557         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7558         parameter instead of arglist.  Fix callers.
7559         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7560         (tree_stringops_transform): Likewise.
7561         (tree_indirect_call_to_profile): Likewise.
7562         (tree_stringops_values_to_profile): Likewise.
7563
7564         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7565         (eliminate_tail_call): Likewise.
7566
7567         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7568
7569         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7570         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7571         operands.
7572         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7573
7574         * omp-low.c (build_omp_barrier): Use build_call_expr.
7575         (lower_rec_input_clauses): Likewise.
7576         (lower_reduction_clauses): Likewise.
7577         (expand_parallel_call): Likewise.
7578         (maybe_catch_exception): Likewise.
7579         (expand_omp_for_generic): Likewise.
7580         (expand_omp_for_static_nochunk): Likewise.
7581         (expand_omp_sections): Likewise.
7582         (lower_omp_single_simple): Likewise.
7583         (lower_omp_single_copy): Likewise.
7584         (lower_omp_master): Likewise.
7585         (lower_omp_ordered): Likewise.
7586         (lower_omp_critical): Likewise.
7587
7588         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7589         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7590
7591         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7592         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7593         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7594
7595         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7596         and generalize to handle any number of operands.
7597         (chrec_contains_undetermined): Likewise.
7598         (tree_contains_chrecs): Likewise.
7599         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7600
7601         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7602
7603         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7604         fold_call_expr instead of fold_builtin.
7605         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7606         match declarations there.
7607         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7608         updates.
7609
7610         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7611         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7612
7613         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7614         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7615
7616         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7617         accessors.
7618
7619         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7620         (execute_cse_sincos): Use new CALL_EXPR accessors.
7621
7622         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7623
7624         * gimple-low.c (lower_function_body): Use build_call_expr.
7625         (lower_builtin_setjmp): Likewise.
7626
7627         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7628         (set_storage_via_libcall): Likewise.
7629         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7630         instead of TREE_CODE_LENGTH.
7631         (expand_expr_real_1): Use new CALL_EXPR accessors.
7632
7633         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7634         generalize to handle any number of operands.
7635         (TB_parent_eq): Likewise.
7636
7637         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7638         (strip_builtin_expect): Likewise.
7639
7640         * function.c (gimplify_parameters): Use build_call_expr.
7641
7642         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7643         instead of TREE_CODE_LENGTH.
7644
7645         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7646         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7647
7648         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7649         iterators.
7650
7651         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7652         (gimplify_decl_expr): Likewise.
7653         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7654         Use new CALL_EXPR iterators.
7655         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7656         (gimplify_modify_expr_to_memset): Likewise.
7657         (gimplify_variable_sized_compare): Likewise.
7658         (gimplify_omp_atomic_fetch_op): Likewise.
7659         (gimplify_omp_atomic_pipeline): Likewise.
7660         (gimplify_omp_atomic_mutex): Likewise.
7661         (gimplify_function_tree): Likewise.
7662
7663         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7664         (call_expr_flags): Likewise.
7665         (expand_call): Likewise.
7666
7667         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7668         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7669         accessors.
7670
7671         * coverage.c (create_coverage): Use build_call_expr.
7672
7673         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7674         (temp_call_expr_obstack): New.
7675         (pool_copy_list): Delete.
7676         (temp_copy_call_expr): New.
7677         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7678         CALL_EXPR accessors.  Get rid of special goo for copying argument
7679         lists and use temp_copy_call_expr instead.
7680         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7681         CALL_EXPR accessors.
7682         (create_expression_by_pieces): Likewise.  Use build_call_array
7683         to construct the result instead of fold_build3.
7684         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7685         dealing with argument lists.
7686         (init_pre): Remove references to expression_node_pool and
7687         list_node_pool.  Init temp_call_expr_obstack instead.
7688         (fini_pre): Remove references to expression_node_pool and
7689         list_node_pool.
7690
7691         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7692         and walk arguments explicitly instead of as a list.
7693
7694         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7695         (mx_register_decls): Likewise.
7696         (mudflap_register_call): Likewise.
7697         (mudflap_finish_file): Likewise.
7698
7699         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7700         (ipa_callsite_compute_param): Likewise.
7701
7702         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7703         accessors and constructor.
7704
7705         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7706         accessors and constructor.
7707         (convert_tramp_reference): Likewise.
7708         (convert_call_expr): Likewise.
7709         (finalize_nesting_tree_1): Likewise.
7710
7711         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7712         accessors.
7713
7714         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7715
7716         * tree-inline.c (initialize_inlined_parameters): Pass entire
7717         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7718         accessors.
7719         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7720         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7721
7722         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7723         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7724         (vectorizable_reduction): Likewise.
7725         (vectorizable_call): Use new CALL_EXPR iterators.
7726         (vectorizable_conversion): Use build_call_expr.
7727         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7728         (vect_gen_widened_results_half): Use build_call_expr.
7729         (vect_setup_realignment): Likewise.
7730         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7731
7732         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7733         (pass_through_call): Likewise.
7734         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7735         fold_builtin.
7736
7737         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7738         (tree_gen_pow2_profiler): Likewise.
7739         (tree_gen_one_value_profiler): Likewise.
7740         (tree_gen_ic_func_profiler): Likewise.
7741         (tree_gen_average_profiler): Likewise.
7742         (tree_gen_ior_profiler): Likewise.
7743
7744         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7745         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7746         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7747
7748         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7749         of TREE_CODE_LENGTH.
7750
7751         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7752         of TREE_CODE_LENGTH.
7753
7754         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7755         constructor.
7756         (convert_to_integer): Likewise.
7757
7758         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7759         accessors.
7760
7761 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7762             Brooks Moses  <brooks.moses@codesourcery.com>
7763             Lee Millward  <lee.millward@codesourcery.com>
7764
7765         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7766         accessors.
7767         * config/frv/frv.c (frv_expand_builtin): Likewise.
7768         * config/s390/s390.c (s390_expand_builtin): Likewise.
7769
7770         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7771         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7772
7773         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7774         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7775         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7776         (ix86_expand_store_builtin): Likewise.
7777         (ix86_expand_unop_builtin): Likewise.
7778         (ix86_expand_unop1_builtin): Likewise.
7779         (ix86_expand_sse_compare): Likewise.
7780         (ix86_expand_sse_comi): Likewise.
7781         (ix86_expand_vec_init_builtin): Likewise.
7782         (ix86_expand_vec_ext_builtin): Likewise.
7783         (ix86_expand_vec_set_builtin): Likewise.
7784         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7785
7786         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7787         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7788
7789         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7790         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7791         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7792
7793         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7794         build_call_expr.
7795         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7796         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7797         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7798         (altivec_expand_abs_builtin): Likewise.
7799         (rs6000_expand_binop_builtin): Likewise.
7800         (altivec_expand_predicate_builtin): Likewise.
7801         (altivec_expand_lv_builtin): Likewise.
7802         (spe_expand_stv_builtin): Likewise.
7803         (altivec_expand_stv_builtin): Likewise.
7804         (rs6000_expand_ternop_builtin): Likewise.
7805         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7806         (altivec_expand_st_builtin): Likewise.
7807         (altivec_expand_dst_builtin): Likewise.
7808         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7809         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7810         (altivec_expand_vec_set_builtin): Likewise.
7811         (altivec_expand_vec_ext_builtin): Likewise.
7812         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7813         (spe_expand_builtin): Likewise.
7814         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7815         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7816         (spe_expand_evsel_builtin): Likewise.
7817         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7818         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7819
7820         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7821         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7822         (arm_expand_unop_builtin): Likewise.
7823         (arm_expand_builtin): Use new CALL_EXPR accessors.
7824
7825         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7826         accessors.
7827
7828         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7829         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7830         (bfin_expand_unop_builtin): Likewise.
7831         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7832
7833 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7834             Brooks Moses  <brooks.moses@codesourcery.com>
7835             Lee Millward  <lee.millward@codesourcery.com>
7836
7837         * c-semantics.c (build_stmt): Add internal diagnostic check.
7838
7839         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7840         accessors.  Print arguments explicitly instead of as a list.
7841
7842         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7843
7844         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7845         (c_finish_omp_flish): Likewise.
7846
7847         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7848         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7849         instead of TREE_CODE_LENGTH.
7850         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7851         (c_warn_unused_result): Likewise.
7852
7853 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7854
7855         PR c/26494
7856         * doc/invoke.texi (Warning Options): Remove
7857         -Werror-implicit-function-declaration.
7858         (Wimplicit-function-declaration): Update description.
7859         * opts.c (common_handle_option): Move handling of -Werror=* to...
7860         (enable_warning_as_error): ...here.
7861         * opts.h (enable_warning_as_error): Declare.
7862         * c-decl.c (implicit_decl_warning): Unless
7863         -Wno-implicit-function-declaration is given, emit a pedwarn if
7864         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7865         * c.opt (Wimplicit-function-declaration): Replace
7866         mesg_implicit_function_declaration with
7867         warn_implicit_function_declaration.
7868         * c-opts.c (c_common_handle_option):
7869         -Werror-implicit-function-declaration is exactly equal as
7870         -Werror=implicit-function-declaration.
7871         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7872         warn_implicit_function_declaration.
7873         (c_common_post_options): -Wimplict-function-declaration is enabled
7874         by default by -std=c99, otherwise is disabled by default.
7875         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7876
7877 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7878
7879         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7880         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7881         former is ignored but not the latter.
7882
7883 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7884
7885         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7886         is made and the reference doesn't use the alias set of its type,
7887         do not create the temporary using that type.
7888
7889 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7890
7891         * jump.c: Remove prototypes for delete_computation and
7892         delete_prior_computation.
7893
7894 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7895
7896         * jump.c (get_label_after): Delete.
7897         (get_label_before, delete_computation, delete_jump,
7898         delete_prior_computation, follow_jumps): Move...
7899         * reorg.c (delete_computation, delete_prior_computation): ... here...
7900         (get_label_before, delete_jump): ... making these static ...
7901         (follow_jumps): ... and simplifying this since it only runs after
7902         reload.
7903         * rtl.h (get_label_after, get_label_before, delete_jump,
7904         follow_jumps): Delete prototypes.
7905
7906 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7907
7908         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7909
7910 2007-02-15  Nick Clifton  <nickc@redhat.com>
7911
7912         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7913         order to prevent it from being munged by the target.
7914
7915 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7916
7917         * config/i386/i386.md: Remove misleading comment.
7918
7919 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7920
7921         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7922         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7923         invalid patterns.
7924
7925 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7926
7927         * tree-sra.c (instantiate_missing_elements): Canonicalize
7928         bit-field types.
7929         (sra_build_assignment): New.
7930         (generate_copy_inout, generate_element_copy,
7931         generate_element_zero, generate_one_element_init): Use it.
7932
7933 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7934
7935         * tree-sra.c (instantiate_missing_elements): Canonicalize
7936         bit-field types.
7937         (sra_build_assignment): New.
7938         (generate_copy_inout, generate_element_copy,
7939         generate_element_zero, generate_one_element_init): Use it.
7940
7941 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7942
7943         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7944         limbo die nodes.
7945
7946 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7947
7948         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7949         types as aggregates not scalars.
7950         * function.c (assign_stack_temp_for_type): Likewise.
7951
7952 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7953             Zdenek Dvorak  <dvorakz@suse.cz>
7954
7955         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7956         name.
7957
7958 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7959
7960         * passes.c (next_pass_1): Clear the next field of the copied
7961         pass structure.
7962
7963 2007-02-14  Richard Henderson  <rth@redhat.com>
7964
7965         * tree-sra.c (early_sra): New.
7966         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7967         (tree_sra_early, pass_sra_early): New.
7968         * tree-pass.h (pass_sra_early): Declare.
7969         * passes.c (init_optimization_passes): Use it.
7970
7971 2007-02-14  Richard Guenther  <rguenther@suse.de>
7972
7973         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7974
7975 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7976
7977          PR tree-optimization/30771
7978         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7979         also phi nodes.
7980         (vect_analyze_operations): Induction phis can now be marked as
7981         used_in_loop.
7982         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7983         Update documentation accordingly.
7984
7985 2007-02-14  Nick Clifton  <nickc@redhat.com>
7986
7987         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7988         most 3 arguments are supported.
7989         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7990
7991 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7992
7993         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7994         Ensure dst->current is valid.
7995
7996 2007-02-13  Paul Brook  <paul@codesourcery.com>
7997
7998         * config.gcc: Add arm*-*-uclinux-*eabi.
7999         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8000         (SUBTARGET_EXTRA_LINK_SPEC): Define.
8001         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8002         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8003         (LINK_SPEC): Define.
8004         (LIB_SPEC): Define.
8005         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8006         register.
8007         * config/arm/uclinux-eabi.h: New file.
8008         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8009         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8010         based targets.
8011
8012 2007-02-13  Ian Lance Taylor  <iant@google.com>
8013
8014         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8015         * flags.h (warn_strict_overflow): Declare.
8016         (enum warn_strict_overflow_code): Define.
8017         (issue_strict_overflow_warning): New static inline function.
8018         * opts.c (warn_strict_overflow): New variable.
8019         (common_handle_option): Handle OPT_Wstrict_overflow and
8020         OPT_Wstrict_overflow_.
8021         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8022         OPT_Wall.
8023         * fold-const.c: Include intl.h.
8024         (fold_deferring_overflow_warnings): New static variable.
8025         (fold_deferred_overflow_warning): New static variable.
8026         (fold_deferred_overflow_code): New static variable.
8027         (fold_defer_overflow_warnings): New function.
8028         (fold_undefer_overflow_warnings): New function.
8029         (fold_undefer_and_ignore_overflow_warnings): New function.
8030         (fold_deferring_overflow_warnings_p): New function.
8031         (fold_overflow_warning): New static function.
8032         (make_range): Add strict_overflow_p parameter.  Change all
8033         callers.
8034         (extract_muldiv, extract_muldiv_1): Likewise.
8035         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8036         tree_expr_nonnegative_p.
8037         (fold_negate_expr): Call fold_overflow_warning.
8038         (fold_range_test): Likewise.
8039         (fold_comparison): Likewise.
8040         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
8041         instead of tree_expr_nonnegative_p.
8042         (tree_expr_nonnegative_warnv_p): Rename from
8043         tree_expr_nonnegative_p, add strict_overflow_p parameter.
8044         (tree_expr_nonnegative_p): New function.
8045         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8046         strict_overflow_p parameter.
8047         (tree_expr_nonzero_p): New function.
8048         * passes.c (verify_interpass_invariants): New static function.
8049         (execute_one_pass): Call it.
8050         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8051         warnings.
8052         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8053         (estimate_numbers_of_iterations): Likewise.
8054         (scev_probably_wraps_p): Likewise.
8055         * tree-ssa-ccp.c: Include "toplev.h".
8056         (evaluate_stmt): Defer fold overflow warnings until we know we are
8057         going to optimize.
8058         (struct fold_stmt_r_data): Add stmt field.
8059         (fold_stmt_r): Defer fold overflow warnings until we know we
8060         optimized.
8061         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8062         (fold_stmt_inplace): Likewise.
8063         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8064         (cleanup_control_expr_graph): Defer fold overflow warnings until
8065         we know we are going to optimize.
8066         * tree-cfg.c (fold_cond_expr_cond): Likewise.
8067         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8068         Likewise.
8069         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8070         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8071         * tree-ssa-loop-manip.c (create_iv): Likewise.
8072         * c-typeck.c (build_conditional_expr): Likewise.
8073         (build_binary_op): Likewise.
8074         * tree-vrp.c (vrp_expr_computes_nonzero): Call
8075         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8076         (extract_range_from_unary_expr): Likewise.
8077         * simplify-rtx.c (simplify_const_relational_operation): Warn when
8078         assuming that signed overflow does not occur.
8079         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8080         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8081         (fold_defer_overflow_warnings): Declare.
8082         (fold_undefer_overflow_warnings): Declare.
8083         (fold_undefer_and_ignore_overflow_warnings): Declare.
8084         (fold_deferring_overflow_warnings_p): Declare.
8085         (tree_expr_nonzero_warnv_p): Declare.
8086         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8087         of warning options.
8088         (Warning Options): Document -Wstrict-overflow.
8089         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8090         (tree-ssa-ccp.o): Likewise.
8091         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8092         (fold-const.o): Depend on intl.h.
8093
8094 2007-02-13  Ian Lance Taylor  <iant@google.com>
8095
8096         PR middle-end/30751
8097         * lower-subreg.c (resolve_simple_move): Decompose subregs in
8098         addresses.
8099
8100 2007-02-13  Stuart Hastings  <stuart@apple.com>
8101
8102         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8103
8104 2007-02-13  Richard Henderson  <rth@redhat.com>
8105
8106         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8107         handled_component_p before looking for the indirect_ref.
8108
8109 2007-02-13  Richard Henderson  <rth@redhat.com>
8110
8111         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8112         remove flags clobber.
8113         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8114         (bswaphi_lowpart): New.
8115         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8116         remove TARGET_BSWAP test.  Delete expander of the same name.
8117
8118         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8119         (expand_unop): Use them.
8120
8121 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
8122
8123         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8124         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8125         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8126         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8127         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8128         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8129         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8130         assembler dialect choice from asm templates.
8131
8132 2007-02-12  Richard Henderson  <rth@redhat.com>
8133
8134         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8135         (fixuns_trunc<SSEMODEF>si2): Use it.
8136         * config/i386/sse.md (vec_setv4sf_0): Export.
8137         * config/i386/i386.c (ix86_build_const_vector): Export.
8138         (ix86_split_convert_uns_si_sse): Rename from
8139         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8140         * config/i386/i386-protos.h: Update.
8141
8142 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8143
8144         PR c/29521
8145         * c-typeck.c (c_finish_return): Improve warning message.
8146
8147 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8148
8149         * alias.c (find_symbolic_term): Delete unused function.
8150
8151 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
8152
8153         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8154         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8155         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8156
8157 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8158
8159         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8160         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8161         the function, temporarily point the debug interface to the null one.
8162
8163 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8164
8165         * dwarf2out.c (round_up_to_align): New static function.
8166         (field_byte_offset): Use it to round the offset.
8167
8168 2007-02-12  Richard Henderson  <rth@redhat.com>
8169
8170         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8171         (inswl_const): Export.
8172
8173 2007-02-12  Richard Henderson  <rth@redhat.com>
8174
8175         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8176         result mode of the libcall, convert back to outmode.
8177
8178 2007-02-12  Roger Sayle  <roger@eyesopen.com>
8179
8180         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8181         (bswapdi2): New define_expand to implement 32-bit implementation.
8182
8183 2007-02-12  Nick Clifton  <nickc@redhat.com>
8184
8185         * doc/invoke.texi (Overall Options): Document --help=.
8186         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8187         (cc1_options): Pass --help= on to cc1.
8188         (display_help): Add description of --help=.
8189         (process_command): Add code to handle --help=.  Allow translated
8190         --help and --target-help switches to be passed on to compiler
8191         sub-process.
8192         (main): Remove unused if statement.
8193         * opts.c (columns): Remove.
8194         (LEFT_COLUMN): Define.
8195         (wrap_help): Add columns argument.
8196         (print_filtered_help): Change parameters to be an include bitmask,
8197         an exclude bitmask, an any bitmask and the column width.  Move the
8198         code to display the params list here.  Add code to display the
8199         status of options rather than their descriptions if the quiet flag
8200         is not active.
8201         (print_specific_help): Change parameters to be an include bitmask,
8202         an exclude bitmask and an any bitmask.  Move code to look up the
8203         column width here.  Decide upon the title for an options listing.
8204         (common_handle_options): Add code to handle --help=.  Adapt code
8205         for --help and --target-help to use the revised form of the
8206         print_specific_help function.
8207         (print_help): Delete.
8208         (print_param_help): Delete.
8209         (print_switch): Delete.
8210         * opts.h (cl_lang_count): Add prototype.
8211         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8212         CL_MAX_OPTION_CLASS): New defines.
8213         * optc-gen.awk: Add construction of cl_lang_count.
8214         * c.opt: Add Warning attribute to warning options and Optimization
8215         attribute to optimization options.
8216         * common.opt: Likewise.
8217         Add --help=.
8218         Add -fhelp and -ftarget-help as aliases for the transformed --help
8219         and --target-help options.
8220         * opt-functions.awk: Add code to handle Warning and Optimization
8221         attributes.
8222
8223 2007-02-12  Richard Henderson  <rth@redhat.com>
8224
8225         * config/alpha/constraints.md: New file.
8226         * config/alpha/alpha.c: Include tm-constrs.h.
8227         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8228         alpha_extra_constraint): Remove.
8229         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8230         * config/alpha/alpha-protos.h: Update.
8231         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8232         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8233         (EXTRA_CONSTRAINT): Remove.
8234         * config/alpha/alpha.md: Include constraints.md.
8235         (adddi splitter): Use satisfies_constraint_*.
8236         * config/alpha/predicates.md (add_operand): Likewise.
8237         (sext_add_operand, addition_operation): Likewise.
8238
8239 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
8240
8241         PR tree-optimization/29145
8242         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8243         in our handling of restrict qualified pointers.
8244
8245 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8246
8247         PR middle-end/7651
8248         * doc/invoke.texi (Wunused-value): Update description.
8249         (Wextra): Delete item.
8250         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8251         value of Wunused-value.
8252         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8253         (c_finish_stmt_expr): Don't check extra_warnings.
8254         (emit_side_effect_warnings): The caller is responsible to check
8255         warn_unused_value.
8256
8257 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8258             Matt Thomas  <matt@3am-software.com>
8259
8260         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8261
8262 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8263
8264         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8265         comparisons of POPCOUNT against zero.
8266         (simplify_const_relational_operation): Likewise.
8267
8268 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8269
8270         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8271
8272 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8273
8274         * dwarf2out.c (root_type): Delete unused function.
8275
8276 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8277
8278         * genattrtab.c (contained_in_p): Delete unused function.
8279         (write_expr_attr_cache): Likewise.
8280
8281 2007-02-11  Jan Hubicka  <jh@suse.cz>
8282
8283         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8284         previous patch.
8285
8286 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8287
8288         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8289         to add the REG_EQ* note.
8290         * see.c (see_merge_one_use_extension): Likewise.
8291         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8292         turn REG_EQUAL notes into REG_EQUIV notes if the target
8293         register may have more than one set.
8294         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8295         * gcse.c (try_replace_reg): Likewise.
8296         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8297         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8298         more than one REG_EQUIV note.
8299         * reload1.c (gen_reload): Use set_unique_reg_note.
8300
8301 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8302
8303         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8304         (ix86_builtin_conversion): New function.
8305
8306 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8307
8308         PR target/29487
8309         * tree.h (DECL_REPLACEABLE_P): New macro.
8310         * except.c (set_nothrow_function_flags): Likewise.
8311
8312 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8313             Ira Rosen  <irar@il.ibm.com>
8314             Dorit Nuzman  <dorit@il.ibm.com>
8315
8316         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8317         * targhooks.c (default_builtin_vectorized_conversion): New.
8318         * targhooks.h (default_builtin_vectorized_function): New declaration.
8319         * target.h (struct vectorize): Add builtin_conversion field.
8320         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8321         stmt_vec_info_type value.
8322         (vectorizable_conversion): New declaration.
8323         * tree-vect-analyze.c (vect_analyze_operations): Add
8324         vectorizable_conversion call.
8325         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8326         * tree-vect-transform.c (vectorizable_conversion): New function.
8327         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8328         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8329         mode.
8330         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8331         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8332         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8333         or ALTIVEC_BUILTIN_VCFSX.
8334
8335 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8336
8337         PR target/30634
8338         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8339         CONST_DOUBLE and operand 0 is a hard register.
8340         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8341         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8342         is a hard floating-point register.
8343
8344 2007-02-10  Richard Henderson  <rth@redhat.com>
8345             Jakub Jelinek  <jakub@redhat.com>
8346             Alexandre Oliva  <aoliva@redhat.com>
8347
8348         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8349         * builtin-types.def (BT_WORD): Make unsigned.
8350         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8351         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8352         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8353         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8354         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8355         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8356         emulated tls.
8357         * expr.c (emutls_var_address): New.
8358         (expand_expr_real_1): Expand emulated tls.
8359         (expand_expr_addr_expr_1): Likewise.
8360         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8361         * output.h (emutls_finish): Declare.
8362         * toplev.c (compile_file): Call it.
8363         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8364         address before wrapping in CONST.
8365         * varasm.c (emutls_htab, emutls_object_type): New.
8366         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8367         (get_emutls_object_name, get_emutls_object_type): New.
8368         (get_emutls_init_templ_addr, emutls_decl): New.
8369         (emutls_common_1, emutls_finish): New.
8370         (assemble_variable): When emulating tls, swap decls; generate
8371         constructor for the emutls objects.
8372         (do_assemble_alias): When emulating tls, swap decl and target name.
8373         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8374         for emulated tls.
8375         * varpool.c (decide_is_variable_needed): Look at force_output.
8376         Recurse for emulated tls.
8377         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8378         with decide_is_variable_needed.
8379         * emutls.c: New file.
8380         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8381         tls_object for real tls.
8382
8383 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8384
8385         PR rtl-optimization/29599
8386         * reload1.c (eliminate_regs_in_insn): Take the destination
8387         mode into account when computing the offset.
8388
8389 2007-02-09  Stuart Hastings  <stuart@apple.com>
8390             Richard Henderson  <rth@redhat.com>
8391
8392         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8393         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8394         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8395         fixuns_truncdfhi2): New.
8396         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8397         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8398         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8399         (floatunssidf2): Allow nonimmediate source.
8400         * config/i386/sse.md (movdi_to_sse): New.
8401         (vec_concatv2di): Drop '*'.
8402         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8403         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8404         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8405         New.
8406         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8407         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8408         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8409         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8410         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8411         ix86_build_const_vector.
8412         (x86_emit_floatuns): Rewrite.
8413
8414 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8415
8416         * genautomata.c (longest_path_length): Delete unused function.
8417         (struct state): Delete unused longest_path_length.
8418         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8419         (get_free_state): Delete unused.
8420
8421 2007-02-09  Jan Hubicka  <jh@suse.cz>
8422
8423         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8424         * doc/invoke.texi (inline-unit-growth): Update default value.
8425
8426         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8427         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8428         (rebuild_cgraph_edges): Likewise.
8429         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8430         (dump_cgraph_node): Dump frequencies.
8431         (cgraph_clone_edge): Add frequency scales.
8432         (cgraph_clone_node): Add freuqnecy.
8433         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8434         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8435         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8436         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8437         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8438         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8439         (save_inline_function_body): Likewise.
8440         * ipa-inline.c: inluce rtl.h
8441         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8442         (cgraph_edge_badness): Use frequencies.
8443         (cgraph_decide_recursive_inlining): Update clonning.
8444         (cgraph_decide_inlining_of_small_function): Dump frequency.
8445         * predict.c (estimate_bb_frequencies): Export.
8446         * predict.h (estimate_bb_frequencies): Declare.
8447         * tree-inline.c (copy_bb): Watch overflows.
8448         (expand_call_inline): Update call of cgraph_create_edge.
8449         (optimize_inline_calls): Use TODO flags to update frequnecies.
8450         * passes.h: Include predict.h
8451         (init_optimization_passes): Move profile ahead.
8452         (execute_function_todo): Handle TODO_rebuild_frequencies.
8453
8454 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8455
8456         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8457         the insbl or inswl pattern into a register.
8458
8459 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8460
8461         * config/ia64/ia64.md (bswapdi2): New define_insn.
8462
8463 2007-02-09  Richard Henderson  <rth@redhat.com>
8464
8465         * config/i386/constraints.md (Ym): New constraint.
8466         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8467         (movdi_1_rex64): Split sse and xmm general register moves from
8468         memory move alternatives.  Use conditional register constraints.
8469         (movsf_1, movdf_integer): Likewise.
8470         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8471         (movdf_integer_rex64): New.
8472         (pushsf_rex64): Fix output constraints.
8473         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8474         (sse2_stored): Likewise.
8475         (sse2_storeq_rex64): New.
8476         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8477         amd and not generic.
8478         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8479         for optimize_size.  Remove SF/DFmode hack.
8480
8481 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8482
8483         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8484         (bit_SSE4a): New.
8485
8486 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8487             Richard Sandiford  <richard@codesourcery.com>
8488
8489         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8490         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8491         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8492         m68k/t-mlib to tmake_file.
8493         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8494         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8495         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8496         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8497         variable is not empty, add t-$m68k_arch_family to tmake_file.
8498         Add t-mlibs to tmake_file.
8499         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8500         * config/m68k/t-cf: New file.
8501         * config/m68k/t-m68k: Likewise.
8502         * config/m68k/t-mlibs: Likewise.
8503         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8504         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8505         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8506         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8507         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8508         Delete.
8509         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8510         (INSTALL_LIBGCC): Delete.
8511         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8512         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8513         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8514         (M68K_MLIB_CPU): Define.
8515         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8516         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8517         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8518
8519 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8520             Richard Guenther  <rguenther@suse.de>
8521
8522         PR middle-end/23361
8523         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8524         against INT_MIN/INT_MAX.
8525         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8526         file if a loop is removed.
8527
8528 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8529
8530         * calls.c (store_one_arg): Pass correct alignment to
8531         emit_push_insn for non-BLKmode values.
8532         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8533         unaligned stack slot via a suitably aligned slot.
8534
8535 2007-02-08  DJ Delorie  <dj@redhat.com>
8536
8537         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8538         warnings.
8539         (legal_subregs): Use unsigned char, make const.
8540         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8541
8542 2007-02-08  Paul Brook  <paul@codesourcery.com>
8543
8544         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8545         special interworking needed.
8546
8547 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8548
8549         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8550         conditional to __SSE2__.
8551         (Entries below should have been added to first ChangeLog
8552         entry for amdfam10 dated 2007-02-05)
8553         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8554         defined.
8555         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8556         defined.
8557         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8558         defined.
8559
8560 2007-02-08  DJ Delorie  <dj@redhat.com>
8561
8562         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8563         * config/m32c/m32c.c (legal_subregs): New.
8564         (m32c_illegal_subreg_p): New.
8565         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8566         unsupported subregs of hard regs.
8567
8568 2007-02-08  Jan Hubicka  <jh@suse.cz>
8569
8570         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8571         the same one; always update histograms.
8572
8573 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8574
8575         * passes.c (init_optimization_passes): Tidy comment.
8576
8577 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8578
8579         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8580         strip zero_extend, bswap and rotates from POCOUNT's argument.
8581         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8582         zero_extend and rotates from PARITY's argument.
8583         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8584         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8585         of an integer constant at compile-time.
8586
8587 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8588
8589         PR 30562
8590         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8591         Update all users.
8592         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8593         users.
8594         (init_alias_info):
8595         * tree-ssa-live.c (remove_unused_locals): Do not remove
8596         TREE_ADDRESSABLE variables.
8597         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8598         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8599         FOR_CLOBBER.  Update all users.
8600         If VAR has an associated alias set, add a virtual operand for
8601         it if no alias is found to conflict with the memory reference.
8602
8603 2007-02-07  Jan Hubicka  <jh@suse.cz>
8604             Robert Kidd <rkidd@crhc.uiuc.edu>
8605
8606         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8607
8608 2007-02-07  Ian Lance Taylor  <iant@google.com>
8609
8610         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8611
8612 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8613
8614         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8615         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8616         tablejumpdi, movsi_to_cr_one): Remove constraints from
8617         define_expand's match_operands.
8618
8619 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8620
8621         * global.c (compute_regsets): Move declatation of "i" inside of
8622         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8623
8624 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8625
8626         PR c++/30703
8627         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8628         of INDIRECT_REF <RESULT_DECL>.
8629
8630         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8631
8632 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8633             Kaz Kojima  <kkojima@gcc.gnu.org>
8634
8635         PR target/29746
8636         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8637         properly.
8638         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8639
8640 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8641
8642         * doc/loop.texi: Document possibility not to perform disambiguation
8643         of loops with multiple latches.
8644         * cfgloopmanip.c (alp_enum_p): Removed.
8645         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8646         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8647         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8648         the new forwarder block.
8649         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8650         Handle the case latch is NULL.
8651         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8652         when marking loop exits.
8653         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8654         be modified.
8655         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8656         disambiguate_loops_with_multiple_latches.
8657         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8658         before fix_loop_structure.
8659         * cfgloop.c: Include pointer-set.h and output.h.
8660         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8661         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8662         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8663         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8664         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8665         disambiguate_multiple_latches, get_loop_body_with_size,
8666         disambiguate_loops_with_multiple_latches): New functions.
8667         (flow_loop_dump): Dump multiple latch edges.
8668         (flow_loop_nodes_find): Handle loops with multiple latches.
8669         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8670         (glb_enum_p): Modified.
8671         (get_loop_body): Use get_loop_body_with_size.
8672         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8673         (AVOID_CFG_MODIFICATIONS): New constant.
8674         (disambiguate_loops_with_multiple_latches, add_loop,
8675         get_loop_body_with_size): Declare.
8676         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8677
8678 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8679
8680         PR inline-asm/28686
8681         * global.c (compute_regsets): New function.
8682         (global_alloc): Refactored ELIMINABLE_REGSET
8683         and NO_GLOBAL_ALLOC_REGS computation out.
8684         (rest_of_handle_global_alloc): Call compute_regsets()
8685         for non-optimizing case.
8686
8687 2007-02-06  Richard Henderson  <rth@redhat.com>
8688
8689         * config/i386/constraints.md (Y2): Rename from Y.
8690         (Yi): New constraint.
8691         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8692         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8693         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8694         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8695         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8696         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8697         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8698         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8699         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8700         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8701         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8702         vec_extractv2si_1): Change Y constraints to Y2.
8703         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8704         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8705         Change Y constraints to Y2.
8706         (sse2_loadld): Change Y constraints to x.
8707
8708 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8709
8710         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8711         (parity<mode>2): New define_expand using rs6000_emit_parity.
8712         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8713         rs6000_emit_parity): New functions.
8714         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8715         rs6000_emit_parity): Prototype here.
8716
8717 2007-02-06  Ian Lance Taylor  <iant@google.com>
8718
8719         * lower-subreg.c (simple_move_operand): Reject CONST.
8720         (resolve_clobber): Call validate_change rather than directly
8721         assigning to XEXP (pat, 0).
8722
8723 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8724
8725         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8726         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8727         (tree-cfg.o): Remove hashtab.h dependency.
8728
8729         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8730         (struct ivopts_data): Change niters to pointer_map_t.
8731         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8732         (niter_for_exit): Create pointer_map on demand.  Change for
8733         pointer_map API.
8734         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8735         (free_loop_data): Destroy data->niters if created and reset field.
8736         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8737         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8738
8739         * tree-ssa-reassoc.c: Include pointer-set.h.
8740         (bb_rank): Change to long *.
8741         (operand_rank): Change to pointer_map_t.
8742         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8743         (insert_operand_rank): Accept long.
8744         (operand_entry_hash, operand_entry_eq): Remove.
8745         (get_rank): Return long.  Adjust for changes above.
8746         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8747         and operand_rank.
8748         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8749
8750         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8751         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8752         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8753         is not NULL.
8754         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8755         directly since it cannot be NULL.
8756         (get_vi_for_tree): Rewrite for pointer_map API.
8757         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8758         (init_alias_vars): Create vi_for_tree as pointer_map.
8759         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8760
8761         * tree-cfg.c: Don't include hashtab.h.
8762         (edge_to_cases): Declare as pointer_map.
8763         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8764         Delete.
8765         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8766         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8767         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8768         destroying it.
8769         (record_switch_edge): Delete.
8770         (get_cases_for_edge): Adjust for pointer_map API, inline
8771         record_switch_edge (rewritten for new API), remove goto.
8772
8773 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8774
8775         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8776         * tree-nested.c: Include pointer-set.h.
8777         (var_map_elt, var_map_eq, var_map_hash): Delete.
8778         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8779         to pointer_map_t's.
8780         (nesting_info_bitmap_obstack): New.
8781         (lookup_field_for_decl): Adjust for pointer_map API.
8782         (lookup_tramp_for_decl): Adjust for pointer_map API.
8783         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8784         (get_local_debug_decl): Adjust for pointer_map API.
8785         (convert_nl_goto_reference): Adjust for pointer_map API.
8786         (convert_nl_goto_receiver): Adjust for pointer_map API.
8787         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8788         the new obstack.  Create field_map and var_map as pointer_maps.
8789         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8790         (root): Delete.
8791         (lower_nested_functions): Move root here, no need to NULL it.
8792         Initialize and release the obstack.
8793
8794 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8795
8796         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8797         Remove prototypes and make them non-static.
8798         (struct tree_int_map): Remove.
8799         * tree.h (struct tree_int_map): Move here, turning TO into an
8800         unsigned int.
8801         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8802
8803         * tree.h (TREE_COMPLEXITY): Remove.
8804         (struct tree_exp): Remove complexity field.
8805         * tree.c (build1_stat): Don't set it.
8806
8807 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8808             Victor Kaplansky  <victork@il.ibm.com>
8809
8810         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8811         (vect_is_simple_reduction): Support reduction with induction as
8812         one of the operands.
8813         (vect_is_simple_iv_evolution): Fix formatting.
8814         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8815         formatting.  Don't mark induction phis for vectorization.
8816         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8817         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8818         (vect_get_vec_def_for_operand): Support induction.
8819         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8820         induction case.
8821         (vectorizable_reduction): Support reduction with induction as one of
8822         the operands.
8823         (vectorizable_type_demotion): Use def-type of stmt argument rather
8824         than dummy def-type.
8825
8826         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8827         flag_tree_scev_cprop.
8828         * common.opt (tree-scev-cprop): New flag.
8829
8830         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8831         call to vect_get_new_vect_var.
8832
8833 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8834
8835         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8836         vectype is not NULL.
8837         (vect_pattern_recog_1): Likewise.
8838
8839 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8840
8841         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8842         (fold_negate_expr): Likewise.
8843
8844 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8845
8846         PR debug/30189
8847         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8848         even if cv-qualification is the same.
8849
8850 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8851
8852         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8853         __enable_execute_stack on completion.
8854
8855 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8856
8857         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8858         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8859         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8860         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8861         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8862         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8863         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8864         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8865
8866 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8867
8868         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8869         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8870         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8871         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8872         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8873         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8874         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8875         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8876         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8877         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8878         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8879         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8880         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8881         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8882         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8883         sqrtextenddfxf2_i387): Added amdfam10_decode.
8884
8885         * config/i386/athlon.md (athlon_idirect_amdfam10,
8886         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8887         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8888         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8889         athlon_ivector_store_amdfam10): New define_insn_reservation.
8890         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8891         amdfam10.
8892
8893 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8894
8895         * config/i386/athlon.md (athlon_call_amdfam10,
8896         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8897         define_insn_reservation.
8898         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8899         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8900         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8901
8902 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8903
8904         * config/i386/athlon.md (athlon_sseld_amdfam10,
8905         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8906         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8907
8908 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8909
8910         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8911         define_insn_reservation.
8912         * config/i386/i386.md (sseins): Added sseins to define_attr type
8913         and define_attr unit.
8914         * config/i386/sse.md: Set type attribute to sseins for insertq
8915         and insertqi.
8916
8917 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8918
8919         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8920         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8921         ssecomi_load_amdfam10, ssecomi_amdfam10,
8922         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8923         define_insn_reservation.
8924         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8925
8926 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8927
8928         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8929         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8930         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8931         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8932         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8933         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8934         define_insn_reservation.
8935
8936         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8937         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8938         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8939         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8940         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8941
8942 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8943
8944         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8945         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8946         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8947         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8948         athlon_ssemul_load_k8): Added amdfam10.
8949
8950 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8951
8952         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8953         (x86_sse_unaligned_move_optimal): New variable.
8954
8955         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8956         m_AMDFAM10.
8957         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8958         for unaligned vector SSE double/single precision loads for AMDFAM10.
8959
8960 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8961
8962         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8963         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8964         Define TARGET_CPU_DEFAULT_amdfam10.
8965         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8966         (processor_type): Add PROCESSOR_AMDFAM10.
8967
8968         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8969         processor_type in config/i386/i386.h.
8970         Enable imul peepholes for TARGET_AMDFAM10.
8971
8972         * config.gcc: Add support for --with-cpu option for amdfam10.
8973
8974         * config/i386/i386.c (amdfam10_cost): New variable.
8975         (m_AMDFAM10): New macro.
8976         (m_ATHLON_K8_AMDFAM10): New macro.
8977         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8978         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8979         x86_promote_QImode, x86_integer_DFmode_moves,
8980         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8981         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8982         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8983         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8984         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8985         Enable/disable for amdfam10.
8986         (override_options): Add amdfam10_cost to processor_target_table.
8987         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8988         processor_alias_table.
8989         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8990         (ix86_adjust_cost): Add code for amdfam10.
8991
8992 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8993
8994         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8995         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8996         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8997         * config/i386/i386.h: Add builtin definition for SSE4A.
8998         * config/i386/i386.md: Add support for ABM instructions
8999         (popcnt and lzcnt).
9000         * config/i386/sse.md: Add support for SSE4A instructions
9001         (movntss, movntsd, extrq, insertq).
9002         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9003         Add -march=amdfam10 flag.
9004         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9005         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9006         and amdfam10.
9007         * doc/extend.texi: Add documentation for SSE4A builtins.
9008
9009 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
9010
9011         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9012
9013 2007-02-05  Richard Guenther  <rguenther@suse.de>
9014
9015         * tree-vectorizer.h (vectorizable_function): Add argument type
9016         argument, change return type.
9017         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9018         * tree-vect-transform.c (vectorizable_function): Handle extra
9019         argument, return vectorized function decl.
9020         (build_vectorized_function_call): Remove.
9021         (vectorizable_call): Handle calls with result and argument types
9022         differing.  Handle loop vectorization factor correctly.
9023         * targhooks.c (default_builtin_vectorized_function): Adjust for
9024         extra argument.
9025         * targhooks.h (default_builtin_vectorized_function): Likewise.
9026         * target.h (builtin_vectorized_function): Add argument type
9027         argument.
9028         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9029         extra argument, allow vectorizing of lrintf.
9030         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9031         documentation of target hook.
9032
9033 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
9034
9035         PR target/30665
9036         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9037         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9038         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9039
9040 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9041
9042         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9043         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9044         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9045         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9046         before canonicalizing sincos to cexpi.
9047         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9048
9049 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9050
9051         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9052         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9053         (alpha_init_builtins): Use alpha_add_builtins to process tables.
9054
9055 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9056
9057         * mips-tfile.c (initialize_init_file): Correct endianness test.
9058
9059 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
9060
9061         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9062         the 'y' constraint.
9063
9064 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9065
9066         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9067         saves in a PARALLEL before the register assignments.
9068
9069 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9070
9071         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9072         DWARF_FRAME_RETURN_COLUMN to be a general register.
9073         * dwarf2out.c (init_return_column_size): New function, split from...
9074         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
9075         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9076         to be nongeneral registers.
9077         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9078         integer registers.
9079         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9080         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9081
9082 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9083
9084         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9085
9086 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9087
9088         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9089         (remove_path): Use can_remove_branch_p and remove_branch instead
9090         of loop_delete_branch_edge.
9091         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9092         (tree_transform_and_unroll_loop): Remove dead branches immediately.
9093         Update profile using scale_dominated_blocks_in_loop.
9094         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9095         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9096         (can_remove_branch_p, remove_branch): Declare.
9097         * tree-cfg.c (tree_can_remove_branch_p): New function.
9098         (tree_cfg_hooks): Add tree_can_remove_branch_p.
9099         * cfgrtl.c (rtl_can_remove_branch_p): New function.
9100         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9101
9102 2007-02-05  Jan Hubicka  <jh@suse.cz>
9103
9104         PR middle-end/30696
9105         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9106         nodes in cgraph, don't remove offline copy of the function.
9107
9108 2007-02-04  Jan Hubicka  <jh@suse.cz>
9109
9110         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9111         vectors might cause maybe_lookup_element_for_expr to be called
9112         on non-sra-candidate.
9113
9114 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9115
9116         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9117         config/bfin/bfin.md, config/bfin/predicates.md: Follow
9118         spelling conventions.
9119
9120 2007-02-04  Richard Guenther  <rguenther@suse.de>
9121
9122         PR middle-end/30636
9123         * fold-const.c (try_move_mult_to_index): Make sure to not
9124         overflow one dimension of a multi-dimensional array access.
9125
9126 2007-02-04  Jan Hubicka  <jh@suse.cz>
9127
9128         * passes.c (init_optimization_passes): Reindent.
9129
9130 2007-02-04  Jan Hubicka  <jh@suse.cz>
9131             Eric Botcazou  <ebotcazou@adacore.com>
9132
9133         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9134         (execute_fixup_cfg): Break out the abnormal goto code.
9135         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9136         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9137         (optimize_inline_calls): Call make_nonlocal_label_edges.
9138
9139 2007-02-04  Jan Hubicka  <jh@suse.cz>
9140
9141         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9142         true when something was changed.
9143         (rename_ssa_copies): When something was changed, do
9144         TODO_remove_unused_locals.
9145         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9146         add TODO_remove_unused_locals when instruction was removed.
9147
9148 2007-02-04  Jan Hubicka  <jh@suse.cz>
9149
9150         * ipa-inline.c (try_inline): Improve debug output; work on already
9151         inline edges too.
9152         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9153         call try_inline for already inlined edges too when flattening;
9154         inline also functions that make callee growth but overall unit size
9155         reduce.
9156
9157 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9158
9159         * config/m32c/bitops.md, config/m32c/jump.md,
9160         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9161         config/m32r/m32r.h, config/m32r/m32r.md,
9162         config/m32r/predicates.md, config/m68hc11/larith.asm,
9163         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9164         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9165         config/mips/mips-protos.h, config/mips/mips.c,
9166         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9167         config/mn10300/mn10300.h, config/mn10300/predicates.md,
9168         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9169         spelling conventions.
9170
9171         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9172         Follow spelling conventions.
9173
9174 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
9175
9176         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9177         warn about C++0x compatibility.
9178
9179 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9180
9181         * config/h8300/h8300.c, config/h8300/h8300.h,
9182         config/h8300/h8300.md: Follow spelling conventions.
9183
9184 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
9185
9186         PR middle-end/30667
9187         * combine.c (try_combine): Do not substitute source operand
9188         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9189
9190 2007-02-03  Jan Hubicka  <jh@suse.cz>
9191
9192         PR gcov-profile/30650
9193         * value-prof.c (stringop_block_profile): Fix handling of size counter;
9194         do not divide by zero for never executed counters.
9195         (tree_find_values_to_profile): Fix counters.
9196         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9197
9198 2007-02-03  Ian Lance Taylor  <iant@google.com>
9199
9200         * lower-subreg.c (simple_move_operand): New static function,
9201         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
9202         operands.
9203         (simple_move): Call simple_move_operand.
9204         (find_decomposable_subregs): Add special handling of MEMs.
9205         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
9206         meaning of return value.  If we see a hard register, test whether
9207         it can store a word_mode value.  Change all callers.
9208
9209 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9210
9211         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9212         ftrapv insns and expanders.
9213         (subdi3): Change define_expand operand 1 to arith11_operand, and
9214         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
9215         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
9216         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9217         respectively.
9218
9219         PR middle-end/30174
9220         * varasm.c (notice_global_symbol): Treat global objects as weak when
9221         flag_shlib is true.
9222
9223 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9224
9225         * emit-rtl.c (dconstpi): Delete.
9226         (dconstsqrt2): New.
9227         (init_emit_once): Delete dconstpi and init dconstsqrt2.
9228         * real.h (dconstpi): Delete.
9229         (dconstsqrt2): New.
9230         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9231         (fold_builtin_hypot): Likewise.
9232
9233 2007-02-03  Tom Tromey  <tromey@redhat.com>
9234
9235         PR driver/30246
9236         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9237         -gcoff3, -gxcoff3, -gvms3 implies -dD.
9238
9239 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
9240
9241         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9242         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9243         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9244         config/rs6000/cell.md, config/rs6000/darwin.h,
9245         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9246         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9247         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9248         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9249         typos.  Follow spelling conventions.
9250         * doc/invoke.texi: Follow spelling conventions.
9251
9252 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9253
9254         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9255         canonicalization transformations that attempt to simplify integer
9256         constant comparisons to become comparisons against zero.
9257
9258 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9259
9260         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9261         fabs(x)*sqrt(2).
9262         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9263         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9264
9265 2007-02-02  Mike Stump  <mrs@apple.com>
9266
9267         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9268         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9269         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9270         generate a branch island.
9271
9272 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9273
9274         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9275         (xtensa_legitimate_address_p): New.
9276         (xtensa_legitimize_address): New.
9277         (xtensa_output_addr_const_extra): New.
9278         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9279         (BASE_REG_P): New.
9280         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9281         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9282         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9283         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9284         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9285         (xtensa_legitimize_address): New.
9286         (xtensa_output_addr_const_extra): New.
9287
9288 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9289
9290         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9291
9292 2007-02-02  Ian Lance Taylor  <iant@google.com>
9293
9294         * expmed.c (expand_divmod): Add comment.
9295
9296 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9297
9298         * emit-rtl.c (renumber_insns): Remove.
9299         * flags.h: Remove the extern for flag_renumber_insns.
9300         * rtl.h: Remove the prototype for renumber_insns.
9301         * toplev.c (flag_renumber_insns): Remove.
9302
9303 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9304
9305         Revert for x86 darwin:
9306         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9307
9308         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9309         code before the following patch under TARGET_MACHO.
9310         (ix86_function_value_regno_p): Likewise.
9311
9312 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9313
9314         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9315         COMPLEX_EXPR.
9316
9317 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9318
9319         PR target/29682
9320         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9321         general or fp registers.  Add comments.
9322         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9323
9324 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9325
9326         * pointer-set.c (insert_aux): Only return insertion slot.
9327         (pointer_set_insert): Adjust.
9328         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9329         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9330         pointer_map_traverse): New.
9331         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9332         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9333         pointer_map_contains, pointer_map_traverse): Declare.
9334
9335 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9336
9337         PR middle-end/30473
9338         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9339         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9340
9341 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9342
9343         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9344
9345         (struct _dep): New type.
9346         (dep_t): New typedef.
9347         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9348         (DEP_STATUS): New access macro.  The macro with the same name was
9349         renamed to DEP_LINK_STATUS.
9350         (dep_init): Declare function
9351
9352         (struct _dep_link): New type.
9353         (dep_link_t): New typedef.
9354         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9355         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9356         (DEP_LINK_STATUS): New macro.
9357         (debug_dep_links): New debug function.
9358
9359         (struct _deps_list): New type.
9360         (deps_list_t): New typedef.
9361         (DEPS_LIST_FIRST): New access macro.
9362         (FOR_EACH_DEP_LINK): New cycle macro.
9363         (create_deps_list, free_deps_list, delete_deps_list): Declare
9364         functions.
9365         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9366         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9367         (copy_deps_list_change_con): Ditto.
9368
9369         (move_dep_link): Declare function.
9370
9371         (struct _dep_node): New type.
9372         (dep_node_t): New typedef.
9373         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9374
9375         (struct haifa_insn_data.back_deps): New field to hold backward
9376         dependencies of the insn.
9377         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9378         to deps_list_t.
9379         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9380         Change its type to deps_list_t.
9381         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9382         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9383         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9384
9385         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9386
9387         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9388
9389         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9390         all callers.
9391         (dep_cost): Declare.
9392
9393         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9394         (ds_to_dk, dk_to_ds): New functions.
9395
9396         (init_dep_1): New static function.
9397         (init_dep): New function.
9398         (copy_dep): New static function.
9399
9400         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9401         functions.
9402         (detach_dep_link): New static function.
9403         (move_dep_link): New function.
9404
9405         (dep_links_consistent_p, dump_dep_links): New static functions.
9406         (debug_dep_links): New debugging function.
9407
9408         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9409
9410         (alloc_deps_list, init_deps_list): New static functions.
9411         (create_deps_list): New function.
9412         (clear_deps_list): New static function.
9413         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9414         (deps_list_consistent_p, dump_deps_list): New static functions.
9415         (debug_deps_list): New function.
9416         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9417         functions.
9418         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9419
9420         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9421         use new scheduler dependencies lists.
9422         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9423         (sched_analyze): Ditto.  Initialize dependencies lists.
9424         (add_forw_dep, compute_forward_dependences): Update to use new
9425         scheduler dependencies lists.
9426
9427         (init_dependency_caches): Init deps_obstack.
9428         (free_dependency_caches): Free deps_obstack.
9429
9430         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9431         new scheduler dependencies lists.
9432         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9433         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9434
9435         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9436         Update to use new scheduler dependencies lists.
9437         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9438         (debug_dependencies): Ditto.
9439         (schedule_region): Update comments.
9440
9441         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9442         scheduler dependencies lists.
9443         (schedule_ebb): Update comments.
9444
9445         * rtl.def (DEPS_LIST): Remove.
9446
9447         * lists.c (unused_deps_list): Remove.
9448         (free_list): Update assertions.
9449
9450         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9451         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9452
9453         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9454         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9455
9456         * haifa-sched.c (comments): Update.
9457         (insn_cost1): Remove.  Inline the code into insn_cost ().
9458         (insn_cost): Update to use new scheduler dependencies lists.  Move
9459         processing of the dependency cost to dep_cost ().
9460         (dep_cost): New function.  Use it instead of insn_cost () when
9461         evaluating cost of the dependency.  Use compatible interface to
9462         interact with the target.
9463         (priority): Update to use new scheduler dependencies lists.
9464         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9465         with greater number of insns that depend on the insn.
9466         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9467         code to free backward dependencies lists.  Inline and optimize code
9468         from resolve_dep () - see PR28071.
9469         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9470         lists.  Update call to targetm.sched.is_costly_dependence hook.
9471
9472         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9473         scheduler dependencies lists.
9474
9475         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9476         (init_h_i_d): Initialize dependencies lists.
9477
9478         (process_insn_depend_be_in_spec): Rename to
9479         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9480         dependencies lists.
9481         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9482         Update to use new scheduler dependencies lists.
9483         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9484
9485         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9486         new scheduler dependencies lists.
9487         (build_intra_loop_deps): Ditto.
9488
9489         * target.h (struct _dep): Declare to use in
9490         gcc_target.sched.is_costly_dependence.
9491         (struct gcc_target.sched.adjust_cost): Fix typo.
9492         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9493         single dep_t parameter instead of an equivalent triad.
9494         (struct gcc_target.sched.adjust_cost_2): Remove.
9495
9496         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9497
9498         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9499
9500         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9501         documentation.
9502         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9503
9504         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9505         (REG_DEP_TRUE): Document.
9506
9507         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9508         Change signature to correspond to the targetm.sched.adjust_cost hook.
9509         Update use in TARGET_SCHED_ADJUST_COST_2.
9510         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9511         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9512         new scheduler dependencies lists.
9513         (ia64_gen_check): Ditto.
9514
9515         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9516         dependencies lists.
9517
9518         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9519         signature to correspond to the targetm.sched.is_costly_dependence hook.
9520         (is_costly_group): Update to use new scheduler dependencies lists.
9521
9522         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9523         instead of INSN_COST () macro.
9524
9525 2007-02-01  Ian Lance Taylor  <iant@google.com>
9526
9527         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9528
9529 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9530
9531         * pa.md (tp_load): Correct mfctl instruction syntax.
9532
9533 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9534
9535         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9536         altivec_padding_size calculation on AIX.  Improve comment, add
9537         assert to verify that it's right.
9538
9539         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9540         64-bit.
9541
9542 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9543
9544         PR inline-asm/28686
9545         * global.c (global_alloc): Add mising initialization of
9546         ELIMINABLE_REGSET.
9547
9548 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9549
9550         * alias.c (init_alias_analysis): Correct whitespace.
9551         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9552         partition_hot_cold_basic_blocks): Likewise.
9553         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9554         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9555         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9556         fold_builtin_snprintf_chk, fold_builtin_printf,
9557         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9558         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9559         * cfgcleanup.c (cleanup_cfg): Likewise.
9560         * cfgexpand.c (tree_expand_cfg): Likewise.
9561         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9562         * function.c (get_next_funcdef_no): Likewise.
9563         * gengtype.c (main): Likewise.
9564         * genmodes.c (main): Likewise.
9565         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9566         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9567         * ifcvt.c (noce_emit_move_insn): Likewise.
9568         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9569         Likewise.
9570         * stor-layout.c (get_best_mode): Likewise.
9571         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9572         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9573         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9574         perform_var_substitution, solve_graph): Likewise.
9575         * tree-vrp.c (vrp_finalize): Likewise.
9576
9577 2007-02-01  Ian Lance Taylor  <iant@google.com>
9578
9579         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9580         high part of a paradoxical subreg, return a constant zero.
9581
9582 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9583
9584         * toplev.c (lang_dependent_init): Call init_set_costs.
9585         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9586
9587 2007-02-01  Richard Guenther  <rguenther@suse.de>
9588
9589         PR middle-end/30656
9590         * fold-const.c (fold_negate_expr): Allow negating a
9591         constant if overflow does not change.
9592
9593 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9594
9595         * doc/c-tree.texi (Expression trees): Improve markup.
9596         * doc/tm.texi (Register Classes, Addressing Modes)
9597         (Floating Point): Fix spacing after abbreviations.  Fix some
9598         typos.
9599
9600 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9601
9602         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9603         * doc/contrib.texi: Likewise.
9604         * doc/install.texi: Likewise.
9605
9606 2007-01-31  Richard Henderson  <rth@redhat.com>
9607             Ian Lance Taylor  <iant@google.com>
9608
9609         * lower-subreg.c: New file.
9610         * rtl.def (CONCATN): Define.
9611         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9612         pass_lower_subreg2.
9613         * emit-rtl.c (update_reg_offset): New static function, broken out
9614         of gen_rtx_REG_offset.
9615         (gen_rtx_REG_offset): Call update_reg_offset.
9616         (gen_reg_rtx_offset): New function.
9617         * regclass.c: Revert patch of 2006-03-05, restoring
9618         reg_scan_update.
9619         (clear_reg_info_regno): New function.
9620         * dwarf2out.c (concatn_loc_descriptor): New static function.
9621         (loc_descriptor): Handle CONCATN.
9622         * common.opt (fsplit_wide_types): New option.
9623         * opts.c (decode_options): Set flag_split_wide_types when
9624         optimizing.
9625         * timevar.def (TV_LOWER_SUBREG): Define.
9626         * rtl.h (gen_reg_rtx_offset): Declare.
9627         (reg_scan_update): Declare.
9628         * regs.h (clear_reg_info_regno): Declare.
9629         * tree-pass.h (pass_lower_subreg): Declare.
9630         (pass_lower_subreg2): Declare.
9631         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9632         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9633         -fsplit-wide-types.
9634         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9635         * Makefile.in (OBJS-common): Add lower-subreg.o.
9636         (lower-subreg.o): New target.
9637
9638 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9639
9640         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9641
9642 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9643
9644         PR target/19087
9645         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9646
9647 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9648
9649         PR middle-end/29335
9650         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9651
9652 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9653
9654         * cfgloop.h: Include vec-prim.h.
9655         (enum li_flags): Remove LI_ONLY_OLD.
9656         (loop_iterator): Changed.
9657         (fel_next, fel_init): Iterate over loop tree.
9658         (FOR_EACH_LOOP_BREAK): New macro.
9659         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9660         FOR_EACH_LOOP.
9661         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9662         * modulo-sched.c (sms_schedule): Ditto.
9663         * tree-vectorizer.c (vectorize_loops): Ditto.
9664         * doc/loop.texi: Update information on loop numbering and behavior of
9665         FOR_EACH_LOOP wrto new loops.
9666         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9667         add_to_evolution_1): Test nestedness of loops instead of comparing
9668         their numbers.
9669         * tree-chrec.c (chrec_fold_plus_poly_poly,
9670         chrec_fold_multiply_poly_poly, chrec_evaluate,
9671         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9672         reset_evolution_in_loop): Ditto.
9673         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9674
9675 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9676
9677         * c-common.c (warn_about_parentheses): Separate warning about
9678         un-parenthized sequence of comparison operators from the one
9679         which is supposed to warn about x <= y <= z.
9680
9681 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9682
9683         * optabs.h (enum optab_index): Add new OTI_isinf.
9684         (isinf_optab): Define corresponding macro.
9685         * optabs.c (init_optabs): Initialize isinf_optab.
9686         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9687         patterns.
9688         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9689         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9690         using isinf_optab.
9691         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9692         expand_builtin_interclass_mathfn.
9693         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9694         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9695         (fxam<mode>2_i387): New insn pattern.
9696         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9697         built-in functions as x87 inline asm.
9698
9699 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9700
9701         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9702
9703 2007-01-30  Eric Christopher  <echristo@apple.com>
9704
9705         * config.gcc: Add geode.
9706
9707 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9708
9709         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9710         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9711         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9712         value-prof.c: Fix comment typos.
9713
9714 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9715
9716         PR c++/24745
9717         * doc/invoke.texi (Wpointer-arith): Document warning.
9718
9719 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9720
9721         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9722         the list of discrepancies from the draft TR.
9723
9724 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9725
9726         PR c++/30601
9727         * doc/invoke.texi (-Wreturn-type): Update description to
9728         match new behavior.
9729
9730 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9731
9732         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9733
9734 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9735
9736         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9737         to handle optabs that operate on floating point input argument and
9738         output to integer output.
9739         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9740         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9741         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9742         expand_builtin_interclass_mathfn ().
9743         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9744         (ilogbsi2): Remove.
9745         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9746         ilogbl built-in functions as x87 intrinsics.
9747
9748 2007-01-30  Richard Guenther  <rguenther@suse.de>
9749
9750         PR middle-end/27657
9751         * dwarf2out.c (reference_to_unused): Query varpool if the
9752         variable was output.
9753
9754 2007-01-30  Richard Guenther  <rguenther@suse.de>
9755
9756         PR middle-end/30313
9757         * passes.c (execute_one_pass): Reset in_gimple_form to not
9758         confuse non-unit-at-a-time mode.
9759
9760 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9761             Richard Guenther  <rguenther@suse.de>
9762
9763         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9764         avoid undefined behaviour on overflow.  Use force_fit_type_double
9765         to construct the constant with the specified TREE_OVERFLOW.
9766
9767 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9768
9769         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9770         * config/dfp-bit.h: Ditto.
9771
9772 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9773
9774         * c-decl.c (pop_scope): Replace warnings with call to
9775         warn_for_unused_label.
9776         * c-common.h (warn_for_unused_label): Declare.
9777         * c-common.c (warn_for_unused_label): Define.
9778
9779 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9780
9781         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9782         function.
9783
9784 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9785
9786         * Makefile.in (USER_H): Remove decfloat.h.
9787         * ginclude/decfloat.h: Delete, moving contents to ...
9788         * ginclude/float.h: Add support for decimal floating point,
9789         guarded by __STDC_WANT_DEC_FP__.
9790
9791 2007-01-29  Mike Stump  <mrs@apple.com>
9792
9793         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9794         Analysis and Representation to resolve case insensitive conflict.
9795         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9796
9797 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9798
9799         * tree.h (struct tree_memory_tag): Add aliases member.
9800         (MTAG_ALIASES): New macro.
9801         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9802         (add_may_alias): Remove pointer-set. Update for may_aliases being
9803         a bitmap.
9804         (mark_aliases_call_clobbered): Update for may_aliases being a
9805         bitmap.
9806         (compute_tag_properties): Ditto.
9807         (create_partition_for): Ditto.
9808         (compute_memory_partitions): Ditto.
9809         (dump_may_aliases_for): Ditto.
9810         (is_aliased_with): Ditto.
9811         (add_may_alias_for_new_tag): Ditto.
9812         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9813         (compute_is_aliased): New function.
9814         (compute_may_aliases): Call compute_is_aliased).
9815         (init_alias_info): Initialize alias_bitmap_obstack.
9816         (union_alias_set_into): New function.
9817         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9818         (have_common_aliases_p): Rewrite to take two bitmaps and use
9819         intersection.
9820         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9821         Update for bitmaps.
9822         (finalize_ref_all_pointers): Update for add_may_alias changes.
9823         (new_type_alias): Ditto.
9824         * tree-flow-inline.h (may_aliases): Return a bitmap.
9825         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9826         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9827         may_aliases being a bitmap.
9828         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9829         may_aliases now returns a bitmap.
9830         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9831         being a bitmap.
9832         * tree-ssa-operands.c (add_virtual_operand): Update for
9833         may_aliases being a bitmap.
9834
9835 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9836
9837         PR tree-optimization/30630
9838         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9839         variable as changed.
9840
9841 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9842
9843         PR c++/28266
9844         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9845         expanded only once even if an error occurs.
9846
9847 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9848
9849         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9850         (__gcov_average_profiler): Likewise.
9851         (__gcov_ior_profiler): Likewise.
9852         (__gcov_merge_ior): Likewise.
9853
9854 2007-01-28  Jan Hubicka  <jh@suse.cz>
9855
9856         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9857         * value-prof.c (stringop_block_profile): Likewise.
9858
9859 2007-01-28  Jan Hubicka  <jh@suse.cz>
9860
9861         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9862         variant handling histograms; add wrapper.
9863         (clear_storage_via_libcall): Export.
9864         (emit_block_move_hints): Break out from ...; add histograms.
9865         (emit_block_move): ... this one.
9866         (clear_storage_hints): Break out from ...; add histograms.
9867         (clear_storage): ... this one.
9868         (set_storage_via_memset): Handle histogram.
9869         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9870         (clear_storage_hints, clear_storage_via_libcall): Declare.
9871         (set_storage_via_setmem): Update prototype.
9872         * doc/md.texi (movmem, setmem): Document new arguments.
9873
9874         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9875         new histograms.
9876         (stringop_block_profile): New global function.
9877         (tree_stringops_values_to_profile): Profile block size and alignment.
9878         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9879         HIST_TYPE_IOR.
9880         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9881         (stringop_block_profile): Declare.
9882         * builtins.c: Include value-prof.h.
9883         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9884         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9885         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9886         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9887         * profile.c (instrument_values): Add new counters.
9888         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9889         calls.
9890         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9891         (tree_init_edge_profiler): Build new profilers.
9892         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9893         (pass_tree_profile): Add dump.
9894         (tree_profile_hooks): Update.
9895         * Makefile.in (LIBGCOV): Add new constants.
9896         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9897         __gcov_ior_profiler): New.
9898         * i386.md (movmem/setmem expanders): Add new optional arguments.
9899
9900 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9901
9902         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9903
9904 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9905
9906         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9907         (tree_unswitch_single_loop): Pass eni_size_weights to
9908         tree_num_loop_insns.
9909         * tree-ssa-loop-manip.c: Include tree-inline.h.
9910         (can_unroll_loop_p): Pass eni_size_weights to
9911         tree_num_loop_insns.
9912         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9913         Pass eni_size_weights to estimate_num_insns.
9914         * tree.h (init_inline_once): Export.
9915         * toplev.c (backend_init): Call init_inline_once.
9916         * cgraphunit.c (cgraph_process_new_functions,
9917         cgraph_analyze_function): Pass eni_inlining_weights to
9918         estimate_num_insns.
9919         * ipa-inline.c (compute_inline_parameters): Ditto.
9920         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9921         to estimate_num_insns.
9922         (try_unroll_loop_completely): Pass eni_size_weights to
9923         tree_num_loop_insns.
9924         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9925         ot estimate_num_insns.
9926         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9927         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9928         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9929         eni_time_weights): New variables.
9930         (init_inline_once): Initialize them.
9931         (struct eni_data): Mew.
9932         (estimate_num_insns_1, estimate_num_insns): Use weights.
9933         * tree-inline.h (struct eni_weights_d): New.
9934         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9935         (estimate_num_insns): Declaration changed.
9936         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9937         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9938         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9939
9940 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9941
9942         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9943         relations in the conflict function is valid.
9944
9945 2007-01-27  Ian Lance Taylor  <iant@google.com>
9946
9947         * common.opt: Add fstrict-overflow.
9948         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9949         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9950         (TYPE_OVERFLOW_UNDEFINED): Define.
9951         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9952         Replace all uses.
9953         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9954         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9955         (fold_negate_expr): Likewise.
9956         (make_range): Likewise.
9957         (extract_muldiv_1): Likewise.
9958         (maybe_canonicalize_comparison): Likewise.
9959         (fold_comparison): Likewise.
9960         (fold_binary): Likewise.
9961         (tree_expr_nonnegative_p): Likewise.
9962         (tree_expr_nonzero_p): Likewise.
9963         * tree-vrp.c (compare_values): Likewise.
9964         (extract_range_from_binary_expr): Likewise.
9965         (extract_range_from_unary_expr): Likewise.
9966         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9967         Likewise.
9968         (nowrap_type_p): Likewise.
9969         * tree-scalar-evolution.c (simple_iv): Likewise.
9970         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9971         (build_range_check): Likewise.
9972         (extract_muldiv_1): Likewise.
9973         (fold_comparison): Likewise.
9974         * tree-vrp.c (vrp_int_const_binop): Likewise.
9975         (extract_range_from_unary_expr): Likewise.
9976         * convert.c (convert_to_integer): Likewise.
9977         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9978         (fold_comparison): Likewise.
9979         (fold_binary): Likewise.
9980         * optabs.c (optab_for_tree_code): Likewise.
9981         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9982         * simplify-rtx.c (simplify_const_relational_operation): Check
9983         flag_strict_overflow and flag_trapv.
9984         (simplify_const_relational_operation): Likewise.
9985         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9986         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9987         -fstrict-overflow.
9988
9989 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9990
9991         * tree.c (tree_fold_gcd): Delete.
9992         * tree.h (tree_fold_gcd): Remove prototype.
9993         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9994         test whether one constant integer is a multiple of another.  Instead
9995         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9996         * fold-const.c (multiple_of_p):  We've determined both TOP and
9997         BOTTOM are integer constants so we can call int_const_binop directly
9998         instead of the more generic const_binop.
9999
10000 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10001
10002         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10003         1*X check that the constant hasn't overflowed, to preserve the
10004         TREE_OVERFLOW bit.
10005         (round_up): Provide an efficient implementation when rouding-up an
10006         INTEGER_CST to a power-of-two.
10007
10008 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10009
10010         * doc/sourcebuild.texi: Add comma for clarity.
10011         * doc/extend.texi: Fix some typos.
10012         * doc/passes.texi: Likewise.
10013         * doc/cppinternals.texi: Likewise.
10014         * doc/c-tree.texi: Likewise.
10015         * doc/tree-ssa.texi: Likewise.
10016         * doc/install.texi: Likewise.
10017
10018 2007-01-27  Jan Hubicka  <jh@suse.cz>
10019
10020         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10021         (pass_sra): Do not require alias information.
10022         * passes.c (init_optimization_passes): Add SRA
10023
10024 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
10025
10026         * tracer.c (rest_of_handle_tracer): We already cleaned
10027         up the CFG in tracer() so don't do it here again.
10028         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10029         cleanup_cfg here, either.  And don't call renumber_insns.
10030
10031         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10032         and BB_HEAD are in the insn stream here.  Instead make sure
10033         that BB_INSN is valid on all insns.  Also, do check here that
10034         there are no pending branch predictions...
10035         (rtl_verify_flow_info): ...instead of doing it here.  Checks
10036         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10037         here.
10038
10039 2007-01-26  Roger Sayle  <roger@eyesopen.com>
10040
10041         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10042         function to simplify/factorize operand order canonicalization.
10043         (ix86_fixup_binary_operands): Reorganize using the above function.
10044         (ix86_binary_operator_ok): Likewise.
10045
10046 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
10047
10048         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10049         file scope from optimize_attrs.
10050         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10051         up search.
10052         (optimize_attrs): Clear insn_code_values after freeing it.
10053
10054 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10055
10056         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10057         a parts.base assignment.
10058
10059 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10060
10061         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10062         (compute_subscript_distance, initialize_data_dependence_relation,
10063         finalize_ddr_dependent, analyze_ziv_subscript,
10064         analyze_siv_subscript_cst_affine,
10065         compute_overlap_steps_for_affine_univar,
10066         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10067         analyze_siv_subscript, analyze_miv_subscript,
10068         analyze_overlapping_iterations, subscript_dependence_tester_1,
10069         compute_self_dependence, free_dependence_relation): Work
10070         with affine_fn instead of chrecs.
10071         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10072         common_affine_function, affine_function_base,
10073         affine_function_constant_p, affine_fn_op, affine_fn_plus,
10074         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10075         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10076         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10077         (all_chrecs_equal_p): Removed.
10078         * tree-data-ref.h (affine_fn, conflict_function): New types.
10079         (struct subscript): Change type of conflicting_iterations_in_a
10080         and conflicting_iterations_in_b.
10081
10082 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
10083
10084         PR other/30182
10085         * config/pa/pa.h (TARGET_HPUX_11): New.
10086         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10087         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10088
10089 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
10090         Richard Guenther  <rguenther@suse.de>
10091
10092         * tree-ssa-structalias.c (solve_graph): Handle case
10093         we merged the variable to another.
10094
10095 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10096
10097         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10098         functions.
10099
10100         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10101         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10102
10103 2007-01-25  DJ Delorie  <dj@redhat.com>
10104
10105         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10106         allow changes to modes which don't fit in those registers.
10107
10108         * reload1.c (choose_reload_regs): Check for invalid subregs before
10109         computing their locations, not after.
10110
10111 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
10112
10113         PR 25127
10114         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10115         save Altivec registers in an eh_return function.
10116         (compute_vrsave_mask): Likewise.
10117         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10118         for saving Altivec registers.
10119         (rs6000_emit_prologue): Don't allocate stack twice in
10120         eh_return function.  Correct expected value of altivec_save_offset
10121         when using save_world.  Describe save of R0 to stack when using
10122         save_world.  Describe stack pointer adjustment when using
10123         save_world.  Remove duplicated eh_return parameter register saving.
10124         Update sp_offset variable after save_world.
10125         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10126         darwin-world.asm.
10127         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10128         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10129         implies Altivec.
10130
10131 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10132
10133         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10134
10135 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10136
10137         PR other/30182
10138         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10139         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
10140
10141 2007-01-25  Richard Guenther  <rguenther@suse.de>
10142
10143         * doc/invoke.texi (-Wcoverage-mismatch): Document.
10144         * common.opt (-Wcoverage-mismatch): New warning option.
10145         * coverage.c (get_coverage_counts): Ignore coverage mismatch
10146         if -Wcoverage-mismatch is given.
10147
10148 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
10149
10150         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10151         (ipcp_driver): Change to static definition.
10152         Add dumping of the ifunctions.
10153         (constant_val_insert): Remove unused parameter. Support for SSA.
10154         (ipcp_propagate_const): Support for SSA.
10155         (ipcp_profile_bb_print): Print only analyzed nodes.
10156         (ipcp_replace_map_create): Remove support for Fortran constant
10157         for now.
10158         * ipa-prop.c (ipa_method_modify_stmt,
10159         ipa_callsite_compute_param): Support for SSA.
10160         * ipa-prop.h (ipcp_driver): Remove declaration.
10161         (IS_VALID_TREE_MAP_INDEX): Add define.
10162
10163 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
10164
10165         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10166
10167 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10168
10169         PR middle-end/30447
10170         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10171         constant argument to cabs and do it without checking for
10172         -funsafe-math-optimizations.
10173
10174 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
10175
10176         * c-common.h (RID_FIRST_CXX0X): New.
10177         (RID_LAST_CXX0X): New.
10178         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10179         by -Wall.
10180         * c.opt (Wc++0x-compat): New.
10181         * doc/invoke.texi (-Wc++0x-compat): Document.
10182
10183 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10184
10185         * builtins.c (fold_builtin_carg): New.
10186         (fold_builtin_1): Use it.
10187
10188 2007-01-24  Jan Hubicka  <jh@suse.cz>
10189
10190         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10191
10192         * ipa-inline.c (initial_insns, max_insns): Delete.
10193         (compute_max_insns): New function.
10194         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10195         of insns as base for code growth.
10196         (cgraph_decide_inlining): Make initial_insns local; do not compute
10197         max_insns.
10198         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10199         * doc/invoke.texi (inline-unit-growth): Update docs.
10200
10201 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
10202
10203         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10204         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10205         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10206         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
10207         for CPUs that have PTA_CX16 set.
10208
10209         PR middle-end/27416
10210         * gimplify.c (omp_check_private): New function.
10211         (gimplify_scan_omp_clauses): Use it for
10212         firstprivate/lastprivate/reduction.
10213
10214         PR middle-end/30494
10215         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10216         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10217
10218         PR middle-end/30421
10219         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10220         If lower_lastprivate_clauses emits some statements, append them
10221         to dlist rather than body_p and to body_p append an initializer.
10222         (lower_omp_for): Adjust caller.
10223
10224 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
10225
10226         * target.h (globalize_decl_name): New.
10227         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10228         * output.h (default_globalize_decl_name): New.
10229         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10230         globalize_label.
10231         (globalize_decl): Ditto.
10232         (default_globalize_decl_name): New.
10233         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10234         (ia64_handle_version_id_attribute): New.
10235         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10236         (ia64_asm_output_external): Use globalize_decl_name instead
10237         of globalize_label.
10238         * doc/extend.texi (version_id): New pragma.
10239         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10240
10241 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10242
10243         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10244         _uleb128_t and _Unwind_SWord with _sleb128_t.
10245         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10246         uw_frame_state_for, uw_update_context_1): Likewise.
10247         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10248         * unwind-pe.h (read_uleb128, read_sleb128,
10249         read_encoded_value_with_base): Likewise.
10250         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10251
10252 2007-01-24  Richard Guenther  <rguenther@suse.de>
10253
10254         * builtins.c (expand_builtin_cexpi): Get the fndecl
10255         for cexp in the correct way.
10256
10257 2007-01-24  Jan Hubicka  <jh@suse.cz>
10258
10259         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10260
10261 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10262
10263         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10264         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10265         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10266         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10267         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10268         __SIZEOF_PTRDIFF_T__.
10269         * doc/cpp.texi: Documentation for the new builtin macros added.
10270
10271 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10272
10273         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10274         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10275         instead of operands[2] to avoid access past the end of array.
10276
10277 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10278
10279         * reload1.c (emit_reload_insns): Pass the reload register
10280         for a non-spill output reload through forget_old_reloads_1.
10281
10282 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10283
10284         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10285         _SOFT_DOUBLE if doubles use software floating-point.
10286         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10287         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10288         * config/rs6000/darwin-ldouble.c: Also compile functions for
10289         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10290         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10291         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10292         commented-out long double override.
10293         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10294         * config/rs6000/eabispe.h: Likewise.
10295         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10296         long double for non-SPE.
10297         (rs6000_handle_option): Likewise.
10298         (invalid_e500_subreg): Disallow more subregs involding DImode,
10299         DFmode, TImode or TFmode.
10300         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10301         E500 double.
10302         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10303         double.
10304         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10305         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10306         double.
10307         (rs6000_legitimate_address): Also check for TFmode for E500
10308         double.
10309         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10310         (spe_build_register_parallel): Handle TFmode and TCmode.
10311         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10312         double.
10313         (function_arg): Handle TFmode and TCmode for E500 double.
10314         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10315         in general.
10316         (print_operand): Handle TFmode and TImode for %y.
10317         (rs6000_generate_compare): Handle TFmode comparisons for E500
10318         double.
10319         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10320         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10321         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10322         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10323         TFmode for E500 double.
10324         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10325         (floatsidf2): Enable for E500 double.
10326         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10327         (extenddftf2): Change to extenddftf2_fprs.
10328         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10329         depending on TARGET_E500_DOUBLE.
10330         (extendsftf2): Enable for E500 double.
10331         (trunctfdf2): Enable for E500 double.
10332         (trunctfsf2): Change to trunctfsf2_fprs.
10333         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10334         depending on TARGET_E500_DOUBLE.
10335         (floatsitf2): Enable for E500 double.
10336         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10337         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10338         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10339         (negtf2): Change to negtf2_internal.
10340         (negtf2): New expander.
10341         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10342         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10343         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10344         (movdi_internal32): Use rs6000_nonimmediate_operand.
10345         (unnamed splitter): Likewise.
10346         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10347         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10348         (SPE64TF, DITI): New mode macros.
10349         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10350         modes.
10351         (frob_tf_ti): New.
10352         (frob_<mode>_di_2): New.
10353         (frob_tf_di_8_2): New.
10354         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10355         (frob_ti_tf): New.
10356         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10357         more modes.
10358         (frob_ti_<mode>_8_2): New.
10359         (frob_ti_tf_2): New.
10360         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10361         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10362         TFmode.
10363         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10364         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10365         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10366         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10367         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10368         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10369         tsttflt_gp): New.
10370
10371 2007-01-23  Ian Lance Taylor  <iant@google.com>
10372
10373         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10374         insn-*.o first.
10375         (OBJS-archive): Reformat, alphabetize.
10376         (OBJS): Change out_object_file to OBJS-md.
10377
10378 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10379
10380         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10381         JUMP_P and CALL_P predicates where applicable.
10382         * config/i386/i386.c: Ditto.
10383         * config/i386/i386.md: Ditto.
10384         * config/i386/mmx.md: Ditto.
10385         * config/i386/predicates.md: Ditto.
10386
10387 2007-01-22  Andreas Schwab  <schwab@suse.de>
10388
10389         * config/m68k/m68k.h: Fix comment.
10390
10391 2007-01-22  Jan Hubicka  <jh@suse.cz>
10392
10393         * passes.c (init_optimization_passes): Do not rerun
10394         pass_early_warn_uninitialized.
10395
10396 2007-01-22  Richard Guenther  <rguenther@suse.de>
10397
10398         PR tree-optimization/30038
10399         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10400         function.
10401         (execute_cse_sincos_1): Likewise.
10402         (execute_cse_sincos): Likewise.
10403         (gate_cse_sincos): Likewise.
10404         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10405         the cexpi() canonicalization of sincos().
10406         * tree-pass.h (pass_cse_sincos): Declare.
10407         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10408
10409 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10410
10411         PR rtl-optimization/29329
10412         * combine.c (replaced_rhs_insn): Rename to i2mod.
10413         (replaced_rhs_value): Rename to i2mod_new_rhs.
10414         (i2mod_old_rhs): New global variable.
10415         (combine_instructions): Adjust for above change.  Save a copy of
10416         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10417         note are substituted in the second instruction.
10418         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10419         ditch the note if it pertains to the second eliminated register
10420         and this register is mentioned in i2mod_old_rhs.
10421
10422         Revert:
10423         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10424
10425         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10426         the insn to which the note was originally attached.
10427
10428 2007-01-21  Jan Hubicka  <jh@suse.cz>
10429
10430         * ipa-inline.c (inlining_mode): Comment, move up.
10431         (cgraph_decide_inlining_incrementally): Do not perform inlining
10432         itself; fix handling of flattening of self recursive functions.
10433         (cgraph_find_cycles): Remove.
10434         (cgraph_flatten_node): Remove.
10435         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10436         (try_inline): New function.
10437         (cgraph_early_inlining): Update call of
10438         cgraph_decide_inlining_incrementally.  Apply inlining here.
10439         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10440
10441 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10442
10443         PR bootstrap/30511
10444         * tree-vrp.c (check_array_bounds): do not warn
10445         about ADDR_EXPR's of ARRAY_REF's which are immediately
10446         used in binary expressions.
10447
10448 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10449
10450         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10451         read_write_dep and macros for its access.
10452         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10453         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10454         argument, call vect_check_interleaving for every independent pair of
10455         data-refs. Mark loads that access the same memory location as a store
10456         in the loop.
10457         (vect_check_dependences): Remove.
10458         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10459         call, fix the call to vect_analyze_data_ref_dependence.
10460         (vect_analyze_data_ref_access): For statements that access the same
10461         data-ref, check that they are not stores; for loads, check that there
10462         is no store that access the same location.
10463
10464 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10465             Joseph Myers  <joseph@codesourcery.com>
10466
10467         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10468         (-fdump-rtl-stack): Likewise.
10469         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10470         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10471         (-mpt-fixed): Use @minus{} for minus sign.
10472         (Using Precompiled Headers): Fix under/overfull hbox.
10473
10474 2007-01-20  Jan Hubicka  <jh@suse.cz>
10475
10476         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10477         place within annotation.
10478
10479 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10480
10481         * pa.c (output_move_double): Change array size of xoperands to 4.
10482
10483 2007-01-20  Jan Hubicka  <jh@suse.cz>
10484
10485         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10486         as temporary.
10487
10488 2007-01-19  Ian Lance Taylor  <iant@google.com>
10489
10490         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10491         constant to unsigned HOST_WIDE_INT before negating.
10492
10493 2007-01-19  Ian Lance Taylor  <iant@google.com>
10494
10495         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10496         to unsigned.
10497         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10498         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10499         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10500         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10501         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10502         (realloc_vdef, realloc_vuse): Change second parameter to
10503         unsigned.
10504         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10505         fields to unsigned.
10506         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10507         unsigned. Change x and lim locals to unsigned.
10508         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10509         unsigned.
10510         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10511         (copy_virtual_operands): Change i and n locals to unsigned.
10512
10513 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10514
10515         PR middle-end/29335
10516         * builtins.c (fold_builtin_1): Handle builtin fdim.
10517
10518 2007-01-20  Jan Hubicka  <jh@suse.cz>
10519
10520         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10521         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10522         init_alias_heapvars.
10523         (init_alias_heapvars): Initialize only when not already initialized.
10524         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10525
10526 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10527
10528         * common.opt (fsigned-zeros): New command line option.
10529         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10530         of flag_unsafe_math_optimizations.
10531         * opts.c (set_fast_math_flags): The -ffast-math command line option
10532         implies -fno-signed-zeros.
10533         (fast_math_flags_set_p): Likewise.
10534
10535         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10536         the documentation of -ffast-math appropriately.  Wrap long lines.
10537
10538 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10539
10540         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10541         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10542
10543 2007-01-19  Tomas Bily  <tbily@suse.cz>
10544
10545         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10546         * tree-profile.c:
10547         (tree_init_ic_make_global_vars): New function
10548         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10549         (tree_gen_ic_profiler): New function
10550         (tree_gen_ic_func_profiler): New function
10551         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10552         (tree_profile_hooks): Added hook for indirec/virtual calls
10553         * value-prof.c (tree_find_values_to_profile): New case for
10554         indirect calls
10555         (tree_values_to_profile): Call for determining indirect/virtual
10556         counters
10557         (tree_indirect_call_to_profile): New function
10558         (tree_ic_transform): New function
10559         (tree_ic): New function
10560         (find_func_by_pid): New function
10561         (init_pid_map): New function
10562         (tree_value_profile_transformations): Added check for
10563         indirect/virtual call transformation
10564         * value-prof.h (enum hist_type): New counter type for
10565         indirect/virtual calls
10566         (profile_hooks): Added new hook for profiling indirect/virtual
10567         calls
10568         * profile.c (instrument_values): New case for indirect/virtual
10569         call added
10570         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10571         (GCOV_COUNTER_V_INDIR): New counter type
10572         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10573         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10574         call added
10575         * cgraph.c: Definition of cgraph_max_pid
10576         (cgraph_create_node): Default init of pid attribute
10577         * cgraph.h: Declaration of cgraph_max_pid
10578         (struct cgraph_node): Added pid attribute
10579         * libgcov.c (__gcov_indirect_call_profiler): New function
10580         (__gcov_one_value_profiler_body): New function
10581         (__gcov_one_value_profiler): Body was moved to
10582         __gcov_one_value_profiler_body and calls it
10583
10584 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10585
10586         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10587         * gengtype.c (write_types_data, write_func_for_structure,
10588         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10589         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10590         (walk_type, write_func_for_structure): Generate the mark_hook if
10591         needed.
10592
10593 2007-01-19  Jan Hubicka  <jh@suse.cz>
10594
10595         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10596         'early' argument take inlining mode argument specifying whether to
10597         inline for size/speeed or all functions; add support for flattening;
10598         improve dumpting.
10599         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10600
10601 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10602
10603         PR c++/17947
10604         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10605         the name of the declared identifier.
10606
10607 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10608
10609         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10610         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10611         duplicate evaluation.
10612
10613 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10614
10615         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10616         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10617         to XFMode, use acosxf2 and truncate result to requested mode.
10618         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10619         (asin<mode>2): Similarly, with asin expanders.
10620         (*fscalexf4_i387): Rename from *fscalexf4.
10621         (expNcorexf3): New expander.
10622         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10623         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10624         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10625         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10626         patterns for SSE math.
10627         (exp10<mode>2): Similarly, with exp10 expanders.
10628         (exp2<mode>2): Similarly, with exp2 expanders.
10629         (expm1<mode>2): Similarly, with expm1 expanders.
10630         (ldexp<mode>3): Similarly, with ldexp expanders.
10631         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10632         Use gen_truncxf<mode>2_i387_noop to truncate result.
10633
10634 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10635
10636         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10637         for ColdFire targets.
10638
10639 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10640             Richard Sandiford  <richard@codesourcery.com>
10641
10642         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10643         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10644         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10645         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10646         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10647         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10648
10649 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10650
10651         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10652         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10653         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10654         (*adddi_dilshr32_cf): New pattern.
10655         (adddi3, subdi3): Remove first alternatives.
10656
10657 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10658
10659         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10660         implemented using move.l, do not use its cc result for floating-point
10661         comparisons.
10662
10663 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10664
10665         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10666         from accepting 's' constraints if flag_pic.
10667
10668 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10669
10670         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10671         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10672         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10673         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10674
10675 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10676
10677         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10678         ColdFire alternatives.
10679         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10680         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10681         architectures that support ff1 instruction.
10682
10683 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10684             Julian Brown  <julian@codesourcery.com>
10685
10686         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10687         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10688         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10689         Add commentary.
10690
10691 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10692
10693         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10694         and return a bool.
10695         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10696         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10697         HOST_WIDE_INT instead of an rtx.
10698         (m68k_rtx_costs): Update call accordingly.
10699         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10700         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10701         Return a bool.
10702         (output_move_simode_const): Update calls after above changes.
10703         Rework to use automatic variables and predicates like MEM_P.
10704         * config/m68k/m68k.md (pushexthisi_const): Update call to
10705         valid_mov3q_const.
10706
10707 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10708
10709         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10710         in dump_flags test.
10711
10712 2007-01-19  Richard Guenther  <rguenther@suse.de>
10713
10714         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10715         via cexp in case sincos is not available.
10716
10717 2007-01-19  Richard Guenther  <rguenther@suse.de>
10718
10719         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10720         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10721         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10722         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10723         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10724         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10725         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10726         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10727
10728 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10729
10730         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10731         New insn patterns.
10732         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10733         (atan2xf3): Directly generate RTL pattern.
10734         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10735         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10736         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10737         disable patterns for SSE math.
10738         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10739         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10740         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10741         disable patterns for SSE math.
10742
10743 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10744
10745         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10746
10747 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10748
10749         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10750         VIEW_CONVERT_EXPR to the same type as it's operand.
10751
10752 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10753
10754         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10755         configured for long double 128.
10756
10757 2007-01-18  Mike Stump  <mrs@apple.com>
10758
10759         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10760         error.
10761
10762 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10763
10764         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10765         type correct.
10766
10767 2007-01-18  Jan Hubicka  <jh@suse.cz>
10768
10769         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10770         greater than NUM_VOP_FREE_BUCKETS.
10771
10772 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10773
10774         * tree-ssa-structalias.c: Update comments.
10775         (ptabitmap_obstack): Removed.
10776         (pta_obstack): New.
10777         (oldpta_obstack): Ditto.
10778         (stats): Add a few members.
10779         (struct variable_info): Remove node, complex, address_taken, and
10780         indirect_target members. Add oldsolution member.
10781         (new_var_info): Do not initialize removed members.
10782         (constraint_expr_type): Remove INCLUDES.
10783         (constraint_graph): Add size, implicit_preds, rep,
10784         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10785         (FIRST_REF_NODE): New macro.
10786         (LAST_REF_NODE): Ditto.
10787         (FIRST_ADDR_NODE): Ditto.
10788         (find): New function.
10789         (unite): Ditto.
10790         (dump_constraint): Do not handle INCLUDES.
10791         (insert_into_complex): Do not insert duplicate constraints.
10792         (condense_varmap_nodes): Renamed and rewritten into ...
10793         (merge_node_constraints): This. Also fix bug in handling of
10794         offseted copy constraints.
10795         (clear_edges_for_node): No longer need to deal with preds at all,
10796         or removing associated preds/succs.
10797         (merge_graph_nodes): Deal with indirect_cycles.
10798         Don't deal with predecessors.
10799         (add_implicit_graph_edge): New function.
10800         (add_pred_graph_edge): Ditto.
10801         (add_graph_edge): Don't deal with predecessors.
10802         (build_constraint_graph): Removed.
10803         (build_pred_graph): New function.
10804         (build_succ_graph): Ditto.
10805         (struct scc_info): Removed in_component. Added roots, dfs, and
10806         node_mapping. Remove visited_index, unification_queue.
10807         (scc_visit): Deal with union-find we do now.
10808         Deal with cycles with REF nodes.
10809         (collapse_nodes): Renamed and rewritten to ...
10810         (unify_nodes): This.
10811         (process_unification_queue): Removed.
10812         (topo_visit): Cleanup
10813         (do_da_constraint): Use find.
10814         (do_sd_constraint): Ditto.
10815         (do_ds_constraint): Ditto.
10816         (do_complex_constraint): Ditto.
10817         (init_scc_info): Update for removed and added members.
10818         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10819         (find_indirect_cycles): This.
10820         (equivalence_class): New variable.
10821         (label_visit): New function.
10822         (perform_variable_substitution): Rewritten.
10823         (free_var_substitution_info): New function.
10824         (find_equivalent_node): Ditto.
10825         (move_complex_constraints): Ditto.
10826         (eliminate_indirect_cycles): Ditto.
10827         (solve_graph): Only propagate changed bits.
10828         Use indirect cycle elimination.
10829         Use find.
10830         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10831         (tree_id_eq): Renamed to ...
10832         (tree_vi_eq): This. Update for member change
10833         (insert_id_for_tree): Renamed and rewritten to ...
10834         (insert_vi_for_tree): This.
10835         (lookup_id_for_tree): Renamed and rewritten to ...
10836         (lookup_vi_for_tree): This.
10837         (get_id_for_tree): Renamed and rewritten to ...
10838         (get_vi_for_tree): Ditto.
10839         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10840         (process_constraint): Don't handle INCLUDES.
10841         Remove special ADDRESSOF case.
10842         (find_func_aliases): Rewrite to use vi functions instead of id
10843         ones.
10844         (create_function_info_for): Ditto.
10845         (create_variable_info_for): Ditto.
10846         (intra_create_variable_infos): Ditto.
10847         (merge_smts_into): Ditto.
10848         (find_what_p_points_to): Ditto.
10849         (init_base_vars): Ditto.
10850         (init_alias_vars): Ditto.
10851         (remove_preds_and_fake_succs): New function.
10852         (dump_sa_points_to_info): Dump new stats.
10853         (dump_solution_for_var): Use find.
10854         (set_used_smts): Fix formatting.
10855         (compute_points_to_sets): Updated for new functions.
10856         (ipa_pta_execute): Ditto.
10857
10858 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10859             Richard Sandiford  <richard@codesourcery.com>
10860
10861         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10862         parallels.
10863         * calls.c (expand_call): If the return value is a PARALLEL,
10864         extract its first member.
10865         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10866         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10867         use FUNCTION_EXTRA_EPILOGUE.
10868         (m68k_function_value): Return a PARALLEL if the return value
10869         is of a pointer type.
10870         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10871         (FUNCTION_EXTRA_EPILOGUE): Remove.
10872         * config/m68k/m68k.md (D0_REG): New constant.
10873
10874 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10875
10876         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10877         output a NOP for empty epilogues.
10878
10879 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10880
10881         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10882         before function.  Extend register save check to include all
10883         registers, not just integer ones.
10884
10885 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10886
10887         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10888         (m68k_use_return_insn): ...this.
10889         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10890         * config/m68k/m68k.c (use_return_insn): Rename to...
10891         (m68k_use_return_insn): ...this.
10892         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10893         of USE_RETURN_INSN.
10894
10895 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10896
10897         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10898         nearest even, fix denormal rounding overflow.
10899
10900 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10901
10902         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10903         f%$smove and f%$move.
10904         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10905         (extendsfdf2_cf): Use fdmove instead of f%&move.
10906         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10907         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10908
10909 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10910
10911         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10912         GPR<-GPR moves.
10913
10914 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10915
10916         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10917         (coldfire_single_format): Declare.
10918         (coldfire_double_format): Likewise.
10919         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10920         of qnan_msb_set to determine the lower bits of a canonical
10921         NaN significand.
10922         (encode_ieee_double): Likewise.
10923         (encode_ieee_quad): Likewise.
10924         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10925         (mips_single_format): Likewise.
10926         (ieee_double_format): Likewise.
10927         (mips_double_format): Likewise.
10928         (ieee_extended_motorola_format): Likewise.
10929         (ieee_extended_intel_96_format): Likewise.
10930         (ieee_extended_intel_128_format): Likewise.
10931         (ieee_extended_intel_96_round_53_format): Likewise.
10932         (ibm_extended_format): Likewise.
10933         (mips_extended_format): Likewise.
10934         (ieee_quad_format): Likewise.
10935         (mips_quad_format): Likewise.
10936         (vax_f_format): Likewise.
10937         (vax_d_format): Likewise.
10938         (vax_g_format): Likewise.
10939         (i370_single_format): Likewise.
10940         (i370_double_format): Likewise.
10941         (decimal_single_format): Likewise.
10942         (decimal_double_format): Likewise.
10943         (decimal_quad_format): Likewise.
10944         (c4x_single_format): Likewise.
10945         (c4x_extended_format): Likewise.
10946         (real_internal_format): Likewise.
10947         (coldfire_single_format): New real_format.
10948         (coldfire_double_format): Likewise.
10949         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10950         canonical_nan_lsbs_set.
10951         (pdp11_d_format): Likewise.
10952         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10953         if TARGET_COLDFIRE_CPU.
10954
10955 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10956
10957         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10958         (output_call, m68k_legitimize_call_address): Declare.
10959         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10960         parenthesees.  Add support for a 'W' constraint.
10961         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10962         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10963         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10964         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10965         variables.
10966         (override_options): Initialize them.  Do not set flag_no_function_cse
10967         for TARGET_ID_SHARED_LIBRARY.
10968         (m68k_output_pic_call): Delete.
10969         (m68k_legitimize_call_address): New function.
10970         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10971         (output_call): New function.
10972         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10973         target address from the GOT if symbolic jumps are not allowed.
10974         * config/m68k/m68k.md (call, general_operand): Do not set
10975         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10976         Merge separate flag_pic and !flag_pic define_insns into...
10977         (*call, *call_value): ...these new patterns.  Match the address
10978         rather than the containing MEM and require it to be a call_operand.
10979         Use output_call to generate the asm template.
10980         * config/m68k/predicates.md (const_call_operand): New predicate.
10981         (call_operand): Likewise.
10982
10983 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10984
10985         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10986         (STACK_GROWS_DOWNWARD): Define to 1.
10987         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10988         comments, emphasizing that these values are only defaults.
10989         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10990         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10991
10992 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10993
10994         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10995
10996 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10997             Richard Sandiford  <richard@codesourcery.com>
10998
10999         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11000         (FP_REGNO_P): New macros.
11001         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11002         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11003         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11004         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11005
11006 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11007
11008         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11009         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11010         to $tmake_file.
11011         * config/m68k/t-floatlib: New file, extracting common code from...
11012         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11013         * config/m68k/t-uclinux: Here.
11014         * config/m68k/fpgnulib.c: Do not compile extendeed precision
11015         routines on ColdFire targets.
11016
11017 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11018
11019         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11020         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11021         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11022         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11023         explicitly set MOTOROLA to 1.
11024         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11025
11026 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11027             Nathan Sidwell  <nathan@codesourcery.com>
11028
11029         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11030         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11031         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11032         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11033         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11034         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11035         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11036         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11037         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11038         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11039         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11040         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11041         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11042         (DBX_REGISTER_NUMBER): Delete.
11043         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11044         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11045         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11046
11047 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11048
11049         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11050         * config/flat.h: New file.
11051         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11052         OBJECT_FORMAT_FLAT.
11053         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11054         indirect references for -msep-data or -mid-shared-library.
11055         Do not use PC-relative code addresses either.
11056         * config/m68k/m68k.c (override_options): Restrict -fPIC error
11057         to -mpcrel.
11058         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
11059         for shared libraries and crt1.o for executables.  Use crti.o and
11060         crtbegin.o.
11061         (ENDFILE_SPEC): Use crtend.o and crtn.o.
11062         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11063         Do not add -elf2flt or -shared-lib-id options here.
11064         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
11065         Pass -shared-lib-id if -mid-shared-library, taking the library
11066         identifier from -mshared-library-id if given, otherwise
11067         defaulting to 0.
11068         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11069         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11070         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11071         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11072         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11073         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11074         and crtend.o.
11075         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11076         jump sequence for ISA A and ISA A+.
11077         (PICJUMP): Likewise.
11078
11079 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11080
11081         * config.gcc (m68k-*-uclinux*): Base the port on the common
11082         and m68k GNU/Linux files rather than on the generic ELF ones.
11083         * config/m68k/uclinux.h (TARGET_VERSION): Override.
11084         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11085
11086 2007-01-18  Julian Brown  <julian@codesourcery.com>
11087             Richard Sandiford  <richard@codesourcery.com>
11088
11089         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11090         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11091         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11092         before redefining.
11093         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11094         80 unconditionally.
11095         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11096
11097 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11098
11099         * doc/install.texi: Document m68k-uclinuxoldabi.
11100         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11101         * config/m68k/uclinux-oldabi.h: New file, copied from
11102         config/m68k/uclinux.h.
11103
11104 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
11105
11106         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11107         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11108         (m32r_compute_frame_size): Use unsigned for regno.
11109         (m32r_reload_lr): Use gen_frame_mem.
11110         (pop): New.
11111         (m32r_output_function_epilogue): Don't output the function epilogue
11112         textually here.
11113         (m32r_expand_epilogue): New.
11114         (direct_return): Return false if the function has the interrupt
11115         attribute.
11116         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11117         * config/m32r/m32r.md (epilogue): New expander.
11118         (return_lr, return_rte): New insns.
11119         (return): Make it expander.
11120         (return_normal): New expander.
11121
11122 2007-01-18  Josh Conner  <jconner@apple.com>
11123
11124         PR target/30485
11125         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11126         support for UNLE, UNLT, UNGE, and UNGT.
11127
11128 2007-01-18  Jan Hubicka  <jh@suse.cz>
11129
11130         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11131         * tree-tailcall (add_virtual_phis): Likewise.
11132         (optimize_tail_call): Return TODOs.
11133         (execute_tail_calls): Return TODOs.
11134         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11135         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11136         changed.
11137         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11138         Cleanup cfg using TODO.
11139         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11140         * passes.c (execute_function_todo): When cleanup did something, remove
11141         unused locals.
11142         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11143         (make_edges): Don't cleanup_cfg.
11144
11145 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
11146
11147         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11148         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11149         operate on the top of stack.
11150         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11151         register handling of instructions that output to the second
11152         stack slot.
11153         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11154         (move_for_stack_reg): Special-case check for dead destination
11155         stack slot for constant load of 1.0 inside UNSPEC_TAN.
11156
11157         * config/i386/i386.md (UNSPEC_TAN): New constant.
11158         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11159         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11160         to correctly model move of constant 1.0 to top stack slot.
11161         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11162         (unnamed peephole2 pattern): Remove corresponding peephole2
11163         pattern that optimizes tan insn and loading of constant 1.0.
11164         (tanxf2): Use fptanxf4_i387.
11165         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11166         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
11167         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11168         disable patterns for SSE math.
11169         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11170         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11171
11172 2007-01-18  Dirk Mueller  <dmueller@suse.de>
11173             Richard Guenther <rguenther@suse.de>
11174
11175         PR diagnostic/8268
11176         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11177         * common.opt (Warray-bounds): Add new warning option.
11178         * c-opts.c (c_common_handle_option): Define -Warray-bounds
11179         if -Wall is given.
11180         * Makefile.in: make tree-vrp.o depend on toplev.h
11181         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11182         is enabled.
11183         (check_array_refs, check_array_bounds, check_array_ref): New.
11184
11185 2007-01-18  Jan Hubicka  <jh@suse.cz>
11186
11187         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11188         (execute_ssa_ccp): Return flags conditionally.
11189         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11190         changed.
11191         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11192
11193 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
11194
11195         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11196         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11197
11198         * Makefile.c (GTFILES): Add cfglayout.h.
11199         * gengtype.c (open_base_files): Likewise.
11200         * cfglayout.c (cfg_layout_function_footer,
11201         cfg_layout_function_header) Reindent to make gengtype happy.
11202         * cfglayout.h (cfg_layout_function_footer,
11203         cfg_layout_function_header): Add GTY(()) marker.
11204
11205         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11206
11207 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11208
11209         * genautomata.c (write_automata): Include xstrerror output in the
11210         error message if writing the DFA description file fails.
11211
11212 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
11213
11214         * config/mips/mips-protos.h (mips_output_external): Make it
11215         return void.
11216         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11217         * config/mips/mips.c (irix_output_external_libcall): Likewise.
11218         (extern_list): Likewise.
11219         (extern_head): Likewise.
11220         (TARGET_ASM_FILE_END): Likewise.
11221         (mips_file_end): Likewise.
11222         (mips_output_external): Rewritten.
11223
11224 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11225
11226         * genpreds.c (write_insn_preds_c): Only write out the function
11227         body for regclass_for_constraint if we have register constraints.
11228
11229 2007-01-17  Tom Tromey  <tromey@redhat.com>
11230
11231         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11232         * doc/install.texi (Testing): Use sourceware.org.
11233         (Binaries): Likewise.
11234         (Specific): Likewise.
11235         * doc/contrib.texi (Contributors): Use sourceware.org.
11236
11237 2007-01-17  Anatoly Sokolov <aesok@post.ru>
11238
11239         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11240         (AVR_ENHANCED): Rename to ...
11241         (AVR_HAVE_MUL): ... new.
11242         (avr_enhanced_p): Rename to ...
11243         (avr_have_mul_p): ... new.
11244         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11245         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11246         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11247         (avr_have_mul_p): ... new.
11248         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11249         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11250         'avr_enhanced_p' and 'enhanced'.
11251         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11252         AVR_HAVE_MUL instead of AVR_ENHANCED.
11253         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11254         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11255         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11256         instead of AVR_ENHANCED.
11257         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11258         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11259         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11260
11261 2007-01-17  Ian Lance Taylor  <iant@google.com>
11262
11263         * vec.h (VEC_reserve_exact): Define.
11264         (vec_gc_p_reserve_exact): Declare.
11265         (vec_gc_o_reserve_exact): Declare.
11266         (vec_heap_p_reserve_exact): Declare.
11267         (vec_heap_o_reserve_exact): Declare.
11268         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11269         versions.
11270         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11271         negative parameter.
11272         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11273         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11274         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11275         * vec.c (calculate_allocation): Add exact parameter.  Change all
11276         callers.
11277         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11278         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11279         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11280         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11281         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11282         (vec_heap_p_reserve_exact): New function.
11283         (vec_heap_o_reserve_exact): New function.
11284
11285 2007-01-17  Jan Hubicka  <jh@suse.cz>
11286
11287         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11288
11289 2007-01-17  Eric Christopher  <echristo@apple.com>
11290
11291         * config.gcc: Support core2 processor.
11292
11293 2007-01-16  Jan Hubicka  <jh@suse.cz>
11294
11295         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11296         the names, just unlink the chain so we don't crash on dangling pointers
11297         to dead SSA names.
11298
11299 2007-01-16  Jan Hubicka  <jh@suse.cz>
11300
11301         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11302         * tree-pass.h: Reorder to make IPA passes appear toegher.
11303         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11304         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11305         parameters, do not call early inliner.
11306         * ipa-inline.c: Update comments.  Include tree-flow.h
11307         (cgraph_decide_inlining): Do not compute inlining parameters.
11308         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11309         be called with function context set up.
11310         (pass_ipa_inline): Remove unreachable functions before pass.
11311         (cgraph_early_inlining): Simplify assuming to be called from the
11312         PM as local pass.
11313         (pass_early_inline): New pass.
11314         (cgraph_gate_ipa_early_inlining): New gate.
11315         (pass_ipa_early_inline): Turn into simple wrapper.
11316         (compute_inline_parameters): New function.
11317         (gate_inline_passes): New gate.
11318         (pass_inline_parameters): New pass.
11319         (apply_inline): Move here from tree-optimize.c
11320         (pass_apply_inline): New pass.
11321         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11322         transforming.
11323         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11324         doing them by hand.
11325         (tree_function_versioning): Do not allocate dummy struct function.
11326         * tree-inline.h (optimize_inline_calls): Update prototype.
11327         * tree-optimize.c (execute_fixup_cfg): Export.
11328         (pass_fixup_cfg): Remove
11329         (tree_rest_of_compilation): Do not apply inlines.
11330         * tree-flow.h (execute_fixup_cfg): Declare.
11331         * Makefile.in (gt-passes.c): New.
11332         * passes.c: Include gt-passes.h
11333         (init_optimization_passes): New passes.
11334         (nnodes, order): New static vars.
11335         (do_per_function_toporder): New function.
11336         (execute_one_pass): Dump current pass here.
11337         (execute_ipa_pass_list): Don't dump current pass here.
11338
11339 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11340
11341         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11342         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11343
11344 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11345
11346         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11347         (strong_alias): Define.
11348         (__gcc_qmul): Provide non-FMA for soft-float.
11349         (__gcc_qdiv): Same.
11350         (__gcc_qneg): New.
11351         (__gcc_qeq): New.
11352         (__gcc_qle): New.
11353         (__gcc_qge): New.
11354         (__gcc_qunord): New.
11355         (__gcc_stoq): New.
11356         (__gcc_dtoq): New.
11357         (__gcc_qtos): New.
11358         (__gcc_qtod): New.
11359         (__gcc_qtoi): New.
11360         (__gcc_qtou): New.
11361         (__gcc_itoq): New.
11362         (__gcc_utoq): New.
11363         (fmsub): New.
11364         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11365         soft-float functions.
11366         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11367         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11368         about long double soft float.
11369
11370 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11371             Tehila Meyzels  <tehila@il.ibm.com>
11372
11373         * tree-vectorizer.h (is_pattern_stmt_p): New.
11374         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11375         formatting (tabs instead of spaces). Cleanup and clarify setting
11376         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11377         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11378         (vectorizable_type_demotion): Check that types are integral.
11379         (vectorizable_type_promotion): Likewise.
11380         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11381         comments.
11382
11383 2007-01-16  Jan Hubicka  <jh@suse.cz>
11384
11385         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11386         cgraph edges too.
11387
11388 2007-01-15  Eric Christopher  <echristo@apple.com>
11389
11390         * ifcvt.c: Include vec.h, vecprim.h.
11391         (check_cond_move_block): New argument regs.
11392         Reorganize. Add registers used to regs.
11393         (cond_move_process_if_block): Use regs set above as
11394         loop bounds.
11395
11396 2007-01-15  Eric Christopher  <echristo@apple.com>
11397
11398         * config/darwin.h: Update copyright.
11399         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11400         (LINK_COMMAND_SPEC): Add -u.
11401         (LINK_SPEC): Fix umbrella for above.
11402
11403 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11404
11405         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11406         glibc CVS.
11407
11408 2007-01-15  Tom Tromey  <tromey@redhat.com>
11409
11410         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11411         * doc/install.texi (Testing): Don't mention jacks.
11412         (Configuration): Document --enable-java-maintainer-mode.  Move
11413         --with-java-home to libgcj-specific section.  Document
11414         --with-ecj-jar.
11415         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11416
11417 2007-01-15  Jan Hubicka  <jh@suse.cz>
11418
11419         * tree-ssa-dce.c (DCE_TODOs): New.
11420         (propagate_necessity): Return if something changed.
11421         (eliminate_unnecessary_stmts): Likewise.
11422         (perform_tree_ssa_dce): Return TODO flags when needed.
11423         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11424
11425 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11426
11427         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11428         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11429         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11430         patterns using X87MODEF12 mode macro.  Extend operand 1
11431         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11432         (log10<mode>2): Ditto.
11433         (log2<mode>2): Ditto.
11434         (log1p<mode>2): Ditto.
11435         (logb<mode>2): Ditto.
11436         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11437         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11438         (*fxtractxf3_i387): Rename from *fxtractxf3.
11439         (fxtract_extend<mode>xf3_i387): New insn pattern.
11440         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11441         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11442         and gen_fyl2xxf3_i387().
11443
11444 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11445
11446         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11447         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11448         get_loop_exit_edges.  Changed return type to bool.
11449         * cfgloop.h (fix_loop_placement): Declaration removed.
11450
11451 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11452
11453         * param.h (MIN_VECT_LOOP_BOUND): New.
11454         * params.def (MIN_VECT_LOOP_BOUND): New.
11455         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11456         argument - minimum threshold for number of iterations.
11457         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11458         argument to declaration.
11459         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11460         MIN_VECT_LOOP_BOUND.
11461         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11462         slpeel_tree_peel_loop_to_edge with additional argument.
11463         (vect_do_peeling_for_alignment): Likewise.
11464         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11465
11466 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11467
11468         PR target/30413
11469         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11470         operands of size 1.
11471
11472 2007-01-14  Jan Hubicka  <jh@suse.cz>
11473
11474         * tree-dfa.c (remove_referenced_var): New function.
11475         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11476         prune referenced vars list too.
11477         * tree-flow.h (remove_referenced_var): Declare.
11478
11479 2007-01-14  Jan Hubicka  <jh@suse.cz>
11480
11481         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11482         separately.
11483         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11484         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11485         * except.h (verify_eh_throw_table_statements): Kill prototype.
11486         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11487         into call exrepssions.
11488         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11489         eh trhow verifier.
11490         * tree-cfg.c: Include pointer-set.h.
11491         (verify_node_sharing): Work on pointer set.
11492         (verify_eh_throw_stmt_node): New.
11493         (verify_stmts): Use pointers sets, verify throw_stmt.
11494
11495 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11496
11497         * ipa-reference.c (analyze_function): Consider also addresses taken
11498         in phi nodes.
11499
11500 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11501
11502         * c-typeck.c (null_pointer_constant_p): Replace use of
11503         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11504         (build_c_cast): Likewise.
11505
11506 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11507
11508         * tree.h (force_fit_type_double): Remove unused final argument.
11509         * c-common.c (constant_expression_warning): Replace use of
11510         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11511         (convert_and_check): Likewise.
11512         (shorten_compare): Update call to force_fit_type_double.
11513         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11514         * convert.c (convert_to_pointer): Update call to
11515         force_fit_type_double.
11516         * fold-const.c (force_fit_type_double): Remove overflowed_const
11517         argument.
11518         (int_const_binop, fold_convert_const_int_from_int,
11519         fold_convert_const_int_from_real, fold_div_compare,
11520         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11521         fold_abs_const, fold_not_const): Remove the final argument from
11522         calls to force_fit_type_double.
11523
11524 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11525
11526         * configure.ac: Set insn to "nop" for spu-*-* also.
11527         * configure: Regenerate.
11528
11529 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11530
11531         * builtins.def : Add BUILT_IN_FREE.
11532
11533 2007-01-12  Jan Hubicka  <jh@suse.cz>
11534
11535         PR tree-optimization/30443
11536         * tree-inline.c (tree_function_versioning): Do not optimize when
11537         cloning for inlining.
11538
11539 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11540
11541         * doc/loop.texi: Document recording of loop exits.
11542         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11543         (update_single_exits_after_duplication,
11544         update_single_exit_for_duplicated_loop,
11545         update_single_exit_for_duplicated_loops): Removed.
11546         (duplicate_loop_to_header_edge): Do not call
11547         update_single_exits_after_duplication and
11548         update_single_exit_for_duplicated_loops.
11549         (loop_version): Do not update single_exit information.
11550         (fix_loop_structure): Use record_loop_exits instead of
11551         mark_single_exit_loops.
11552         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11553         the lists of loop exits.
11554         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11555         split_edge, merge_blocks): Update the lists of loop exits.
11556         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11557         loop_optimizer_init.
11558         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11559         of mark_single_exit_loops.
11560         (loop_optimizer_finalize): Call release_recorded_exits.
11561         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11562         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11563         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11564         update single exit information.
11565         * lambda-code.c (perfect_nestify): Ditto.
11566         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11567         (mark_single_exit_loops): Removed.
11568         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11569         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11570         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11571         functions.
11572         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11573         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11574         (verify_loop_structure): Verify consistency of the exit lists.
11575         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11576         (set_single_exit): Removed.
11577         * cfgloop.h (struct loop_exit): New function.
11578         (struct loop): single_exit_ field replaced by exits field.
11579         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11580         (struct loops): Added exits hash.
11581         (mark_single_exit_loops, set_single_exit): Declaration removed.
11582         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11583
11584 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11585
11586         * doc/invoke.texi: Avoid use of @headitem.
11587
11588 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11589
11590         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11591
11592 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11593
11594         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11595         list of targets.
11596
11597 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11598             Richard Sandiford  <richard@codesourcery.com>
11599
11600         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11601         * config/m68k/m68k.opt: Resort options.
11602         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11603
11604 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11605             Richard Sandiford  <richard@codesourcery.com>
11606
11607         * doc/invoke.texi: Document the macros that are defined by
11608         m68k's -mtune and -mhard-float options.
11609         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11610         (m68k_cpp_cpu_family): Likewise.
11611         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11612         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11613         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11614         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11615         (m68k_cpp_cpu_family): Likewise.
11616
11617 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11618
11619         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11620         macros besides mc68000 as tuning macros.  Use a switch statement
11621         to set them and mcpu32.
11622
11623 2007-01-12  Julian Brown  <julian@codesourcery.com>
11624
11625         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11626         (TARGET_68040_ONLY): Rename to...
11627         (TARGET_68040): ...this.
11628         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11629         * config/m68k/m68k.md: Likewise.
11630
11631 2007-01-12  Julian Brown  <julian@codesourcery.com>
11632             Nathan Sidwell  <nathan@codesourcery.com>
11633             Richard Sandiford  <richard@codesourcery.com>
11634
11635         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11636         the -mcpu= argument associated with the --with-cpu setting.
11637         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11638         if different from the one implied by the -mcpu setting.
11639         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11640         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11641         * doc/invoke.texi: Mention ColdFire in the introduction to the
11642         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11643         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11644         -mhard-float.  Document the previously-undocumented -m5206e,
11645         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11646         documentation for consistency.
11647         * doc/install.texi: Mention new --with-cpu arguments.
11648         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11649         default CPU if neither -mcpu nor -march are specified.
11650         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11651         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11652         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11653         using m68k_tune to decide between families that implement the
11654         same ISA.  Use m68k_tune to set __mcfv4e__.
11655         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11656         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11657         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11658         (FL_ISA_C, FL_ISA_MMU): New macros.
11659         (MASK_COLDFIRE): Delete.
11660         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11661         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11662         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11663         (TARGET_HARD_FLOAT): Do not define here.
11664         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11665         (TUNE_68000): New macro.
11666         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11667         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11668         (TUNE_CFV2): Redefine in terms of m68k_tune.
11669         (uarch_type, target_device, fpu_type): New enums.
11670         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11671         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11672         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11673         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11674         (FL_FOR_isa_c): New macros.
11675         (m68k_isa): New enum.
11676         (m68k_target_selection): New structure.
11677         (all_devices, all_isas, all_microarchs): New tables.
11678         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11679         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11680         (MASK_ALL_CPU_BITS): Delete.
11681         (m68k_find_selection): New function.
11682         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11683         Map the legacy target options to a combination of the new ones.
11684         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11685         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11686         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11687         settings.
11688         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11689         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11690         properties.
11691         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11692         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11693         * config/m68k/m68k-devices.def: New file.
11694
11695 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11696             Nathan Sidwell  <nathan@codesourcery.com>
11697
11698         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11699         (SUBTARGET_EXTRA_SPECS): New macros.
11700         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11701         use %(asm_cpu_spec) instead.
11702         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11703         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11704         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11705         (EXTRA_SPECS): Rename to...
11706         (SUBTARGET_EXTRA_SPECS): ...this.
11707
11708 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11709             Richard Sandiford  <richard@codesourcery.com>
11710             Julian Brown  <julian@codesourcery.com>
11711
11712         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11713         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11714         to the configuration's default CPU.
11715         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11716         Remove default masks.
11717         (m680[012]0-*-*): Set the default with_cpu to the first part of
11718         the target name.
11719         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11720         (m68k*-*-linux): Extend the --with-cpu handling to...
11721         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11722         and m68010.  Don't set target_cpu_default2.
11723         * doc/install.texi: Document --with-cpu for m68k.
11724         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11725         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11726         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11727         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11728         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11729         (ASM_SPEC): Remove use of %(asm_cpu_default).
11730         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11731         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11732         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11733         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11734         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11735         (TARGET_DEFAULT): Delete.
11736         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11737         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11738         (CPP_CPU_SPEC): Delete.
11739         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11740         the appropriate string.
11741         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11742         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11743         (ASM_SPEC): Don't use %(asm_default_spec).
11744         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11745         TARGET_DEFAULT and add MASK_68881.
11746         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11747
11748 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11749
11750         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11751         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11752         MASK_68010 alongside MASK_68020.
11753         * doc/invoke.texi: Document -m68010.
11754         * config/m68k/m68k.opt (m68010): New.
11755         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11756         if TUNE_68010.
11757         (TUNE_68010): New macro.
11758         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11759         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11760         (M68K_CPU_m68332): Add MASK_68010.
11761         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11762         fallback definition.
11763         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11764         defines.
11765         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11766         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11767         to all entries that use MASK_68020.
11768         (output_move_simode_const, output_move_himode, output_move_qimode)
11769         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11770         instead of TARGET_68020 to select clr behavior.  Remove comment
11771         about there being no TARGET_68010.
11772         * config/m68k/m68k.md: Likewise throughout.
11773
11774 2007-01-12  Julian Brown  <julian@codesourcery.com>
11775
11776         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11777         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11778         * config/m68k/m68k.md: Likewise.
11779
11780 2007-01-12  Julian Brown  <julian@codesourcery.com>
11781
11782         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11783         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11784
11785 2007-01-12  Julian Brown  <julian@codesourcery.com>
11786
11787         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11788         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11789         * config/m68k/m68k.md: Likewise.
11790
11791 2007-01-12  Julian Brown  <julian@codesourcery.com>
11792             Richard Sandiford  <richard@codesourcery.com>
11793
11794         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11795         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11796         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11797         TARGET_CPU32.
11798         (TARGET_CPU32): Rename to...
11799         (TUNE_CPU32): ...this.
11800         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11801         (TUNE_CFV2): New macros.
11802         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11803         remove conditions that are implied by TARGET_68020.
11804         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11805         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11806         (m68k_output_function_epilogue): Likewise.
11807         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11808         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11809         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11810         non-68000 timings.  Refactor multiplication and division costs.
11811         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11812         TUNE_CPU32 instead of TARGET_CPU32.
11813         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11814         and TUNE_68060 instead of TARGET_68060.
11815         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11816         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11817         TARGET_CPU32.
11818         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11819         && !TARGET_COLDFIRE" to choose between moveq and clr.
11820         Likewise in the unnamed movsf pattern.
11821         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11822         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11823         ashiftrt pattern.
11824
11825 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11826
11827         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11828         of tabbing before backslashes.
11829
11830 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11831
11832         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11833         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11834         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11835
11836 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11837
11838         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11839         find_interesting_uses_cond.
11840         (find_interesting_uses_cond): Use extract_cond_operands.
11841         (rewrite_use_compare): Use extract_cond_operands and
11842         force_gimple_operand_bsi.  Do not call update_stmt.
11843         (determine_use_iv_cost_condition): Use extract_cond_operands.
11844         Return cheaper of using original bound and changing the exit bound.
11845
11846 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11847
11848         PR tree-optimization/29516
11849         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11850         most_expensive_mult_to_index, addr_to_parts,
11851         create_mem_ref, maybe_fold_tmr): Make the type of
11852         fields of TARGET_MEM_REF sizetype.
11853         (move_fixed_address_to_symbol, move_pointer_to_base):
11854         New functions.
11855         * tree.def (TARGET_MEM_REF): Add comment on types of
11856         the operands.
11857
11858 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11859
11860         * c-common.c (vector_types_convertible_p): Treat opaque types as
11861         always convertible if they have the same size, but not otherwise.
11862
11863 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11864
11865         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11866         Remove the b_unconditional field.
11867         (noce_try_sign_mask): Do not look at b_unconditional.
11868         (noce_process_if_block): Do not use merge_if_blocks.  Update
11869         the CFG here.  Do not set b_unconditional.
11870         (cond_move_process_if_block): Likewise.
11871         (find_cond_trap): Likewise.
11872         (check_cond_move_block): Require simple jump insns at the end
11873         of the basic block.
11874
11875 2007-01-11  Jan Hubicka  <jh@suse.cz>
11876
11877         PR tree-optimization/1046
11878         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11879         when alias info is not ready.
11880         (pass_tail_recursion): Do not require aliasing.
11881         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11882         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11883         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11884         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11885         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11886         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11887         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11888         before inlining.
11889         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11890         When aliasing is not build, mark statement as volatile.
11891
11892 2007-01-11  Tom Tromey  <tromey@redhat.com>
11893
11894         PR preprocessor/15185, PR preprocessor/20989:
11895         * doc/cppopts.texi <-MT>: Update description of algorithm for
11896         computing default target.
11897         <-M, -MD>: Reword "basename" text.
11898
11899 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11900
11901         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11902         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11903         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11904         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11905         fold_builtin_bswap, real_constp, fold_builtin_pow,
11906         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11907         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11908         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11909         * convert.c (convert_to_pointer): Likewise.
11910         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11911         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11912         const_binop, fold_convert_const_int_from_int,
11913         fold_convert_const_int_from_real,
11914         fold_convert_const_real_from_real, sign_bit_p,
11915         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11916         fold_sign_changed_comparison, fold_unary, fold_comparison,
11917         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11918         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11919         * print-tree.c (print_node_brief, print_node): Likewise.
11920         * stor-layout.c (place_field, layout_type): Likewise.
11921         * tree-chrec.c (keep_cast): Likewise.
11922         * tree.c (build_vector, build_real, build_real_from_int_cst,
11923         build_complex): Likewise.
11924
11925 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11926
11927         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11928         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11929
11930 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11931
11932         * configure.ac (strict1_warn): Rename to strict_warn.
11933         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11934         cc_set_by_configure, quoted_cc_set_by_configure,
11935         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11936         all_boot_languages, all_stagestuff): Remove.
11937         (target_list): Remove bootstrap targets.
11938         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11939         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11940         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11941         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11942         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11943         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11944         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11945         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11946         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11947         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11948         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11949         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11950         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11951         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11952         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11953         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11954         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11955         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11956         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11957         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11958         (mostlyclean): Adjust.
11959         (clean, distclean): Don't mention bootstrap stuff.
11960         * configure: Regenerate.
11961         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11962         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11963         treelang/config-lang.in (stagestuff): Remove.
11964         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11965         stageprofile, stagefeedback, stagestuff): Remove mention.
11966
11967 2007-01-11  Nick Clifton  <nickc@redhat.com>
11968
11969         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11970         Accept CONSTs.
11971         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11972         (mcore_arith_K_S_operand): Run the test for the S constraint not
11973         the test for the M constraint.
11974         (mcore_addsub_operand): Do not accept integer values that are
11975         larger than 32 bits.
11976         * config/mcore/mcore.md: Remove unused constraints from split.
11977         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11978         (addsi3): Likewise.
11979         (allocate_stack): Likewise.
11980         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11981         operands to 32 bits.
11982         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11983         INTVAL.
11984         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11985         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11986         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11987         mcore_output_bclri, mcore_output_andn, output_inline_const,
11988         mcore_output_move, mcore_output_movedouble): Likewise.
11989         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11990         (output_inline_const): Likewise.
11991         (output_inline_const): Fix format strings used in sprintf
11992         statements.
11993         * config/mcore/mcore-protos.h: Update prototypes for changed
11994         functions in mcore.c.
11995         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11996         HOST_WIDE_INT and not int.
11997         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11998         CONST_OK_FOR_N): Likewise.
11999         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12000         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12001         an INTVAL.
12002
12003 2007-01-10  Jan Hubicka  <jh@suse.cz>
12004
12005         * tree-vrp.c (remove_range_assertions): Release defs.
12006         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12007         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12008
12009 2007-01-10  Paul Brook  <paul@codesourcery.com>
12010
12011         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12012         * config/arm/arm.md (mulsi3subsi): New insn.
12013
12014 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
12015
12016         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12017         (tree_transform_and_unroll_loop): New.
12018         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12019         Declare.
12020
12021 2007-01-10  Robert Kennedy <jimbob@google.com>
12022
12023         * fold-const.c (fold_comparison): Fold comparisons like (x *
12024         1000 < 0) to (x < 0).
12025
12026 2007-01-10  Ian Lance Taylor  <iant@google.com>
12027
12028         * tree-pretty-print.c (dump_generic_node): Print parentheses when
12029         operands have the same priority.
12030
12031 2007-01-10  Tom Tromey  <tromey@redhat.com>
12032
12033         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12034         (fold_binary): Likewise.
12035         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12036         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12037         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12038         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12039         * langhooks.h (struct lang_hooks): Removed field
12040         'can_use_bit_fields_p'.
12041
12042 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
12043
12044         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12045
12046 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
12047
12048         * function.c (get_last_funcdef_no): New function.
12049         * function.h (get_last_funcdef_no): Declare.
12050         * tree-inline.c (initialize_cfun): Add initialization.
12051         (tree_function_versioning): Cleanup.
12052
12053 2007-01-10  Jan Hubicka  <jh@suse.cz>
12054
12055         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12056         PHIs.
12057
12058 2007-01-10  Sa Liu  <saliu@de.ibm.com>
12059             Ben Elliston  <bje@au.ibm.com>
12060
12061         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12062         for SAVE_NONLOCAL and Pmode for any other save level.
12063         * spu-protos.h (spu_restore_stack_block): Declare.
12064         * spu.md (save_stack_block): Remove.
12065         (restore_stack_block): Call spu_restore_stack_block.
12066         * spu.c (spu_restore_stack_block): New function.
12067         (spu_expand_epilogue): Remove old comment.
12068
12069 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
12070
12071         PR tree-optimization/30322
12072         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12073         (cand_value_at): Return the value as aff_tree.
12074         (may_eliminate_iv): Convert the bound from aff_tree to tree.
12075         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12076         aff_combination_mult): New functions.
12077         (aff_combination_add): Use aff_combination_add_cst.
12078         (aff_combination_convert): Allow conversions to a wider type.
12079         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12080         * tree-affine.h (aff_combination_mult): Declare.
12081
12082 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
12083
12084         * doc/tm.texi: Update documentation to reflect reality of exec
12085         and start file search behaviours. Update copyright year.
12086         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12087         header file directories.
12088
12089 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
12090
12091         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12092         (*cosxf2): Rename to cosxf2_i387.
12093         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
12094         using X87MODEF12 mode macro. Rename patterns to
12095         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
12096         for SSE math.
12097         (*cosdf2, *cossf2): Ditto.
12098         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
12099         to match extended input operands.
12100         (sincos<mode>3): New expander.
12101         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12102         insn patterns and corresponding splitters.
12103
12104 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
12105
12106         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12107         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12108
12109 2007-01-09  Nicolas Pitre  <nico@cam.org>
12110
12111         PR target/30173
12112         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12113
12114 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12115
12116         * target.h (struct gcc_target): New field library_rtti_comdat.
12117         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12118         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12119         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12120         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12121
12122 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12123
12124         * doc/invoke.texi (Optimize Options): Correct description of -O0.
12125
12126 2007-01-08  Richard Guenther  <rguenther@suse.de>
12127
12128         * tree.h (force_fit_type_double): Export.
12129         (force_fit_type): Remove.
12130         * fold-const.c (force_fit_type_double): New function.
12131         (force_fit_type): Remove.
12132         (int_const_binop): Use it.
12133         (fold_convert_const_int_from_int): Likewise.
12134         (fold_convert_const_int_from_real): Likewise.
12135         (fold_div_compare): Likewise.
12136         (fold_sign_changed_comparison): Likewise.
12137         (fold_unary): Likewise.
12138         (fold_negate_const): Likewise.
12139         (fold_abs_const): Likewise.
12140         (fold_not_const): Likewise.
12141         * c-common.c (shorten_compare): Use force_fit_type_double.
12142         * convert.c (convert_to_pointer): Likewise.
12143
12144 2007-01-08  Richard Guenther  <rguenther@suse.de>
12145
12146         * tree.h (build_int_cst_wide_type): Export.
12147         * tree.c (build_int_cst_wide_type): New function.
12148         (build_int_cst_wide): Fix comment.
12149         * builtins.c (fold_builtin_object_size): Use build_int_cst
12150         to build -1 or 0 of the correct type.  Use fit_double_type
12151         to check for overflow.
12152         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12153         to build the mask.
12154         (decode_field_reference): Likewise.
12155         (all_ones_mask_p): Likewise.
12156         (native_interpret_int): Use build_int_cst_wide_type.
12157         (fold_binary): Use build_int_cst_type to build an all-ones
12158         value.
12159         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12160
12161 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
12162
12163         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12164
12165 2007-01-09  Ben Elliston  <bje@au.ibm.com>
12166
12167         * genautomata.c (STATS_OPTION): New option.
12168         (stats_flag): New flag.
12169         (gen_automata_option): Handle it.
12170         (initiate_automaton_gen): Ditto.
12171         (write_automata): Output statistics only if stats_flag is
12172         set. Likewise, output time statistics only if time_flag is set.
12173         * doc/md.texi (Processor pipeline description): Document new flag.
12174
12175 2007-01-08  Richard Guenther  <rguenther@suse.de>
12176
12177         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12178         * tree.c (build_int_cst_type): Likewise.
12179         (size_in_bytes): Don't call force_fit_type on the result.
12180         (int_fits_type_p): Use fit_double_type.
12181         * fold-const.c (fit_double_type): New function.
12182         (force_fit_type): Use it.
12183         * tree.h (fit_double_type): Export.
12184
12185 2007-01-08  Jan Hubicka  <jh@suse.cz>
12186
12187         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12188         * ipa.c (function_and_variable_visibility): Fix return type.
12189
12190 2007-01-08  Richard Guenther  <rguenther@suse.de>
12191
12192         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12193         of offset to build the index.
12194         * tree-pretty-print.c (dump_generic_node): Don't build negated
12195         const just for printing.
12196         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12197         * builtins.c (fold_builtin_int_roundingfn): Check if result
12198         fits the type by using force_fit_type and comparing the result.
12199         * predict.c (predict_loops): Use compare_tree_int for comparison.
12200         * tree.c (build_int_cst): Fall back to integer_type_node for
12201         NULL_TREE type.
12202         (build_int_cst_wide): Assert type is non-null.
12203
12204 2007-01-08  Roberto Costa  <roberto.costa@st.com>
12205
12206         * tree-vrp.c (extract_range_from_cond_expr): New.
12207         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12208         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12209         as expressions.
12210         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12211         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12212         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12213         used as expressions.
12214         * tree-object-size.c (cond_expr_object_size): New.
12215         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12216
12217 2007-01-08  Jan Hubicka  <jh@suse.cz>
12218
12219         * tree-ssa-forwprop.c (forward_propagate_into_cond,
12220         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12221         statement.
12222
12223 2007-01-08  Richard Guenther  <rguenther@suse.de>
12224
12225         PR tree-optimization/23603
12226         * tree-vrp.c (set_value_range_to_truthvalue): New function.
12227         (extract_range_from_binary): Fall back to truthvalue instead of
12228         varying for TRUTH_*_EXPR.
12229         (extract_range_from_comparison): Fall back to truthvalue instead of
12230         varying.
12231         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12232         if all visited PHI values were constant.
12233
12234 2007-01-08  Jan Hubicka  <jh@suse.cz>
12235
12236         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12237         (cgraph_analyze_function): break out from ...
12238         (cgraph_finalize_compilation_unit): ... here.
12239         (cgraph_expand_function): Remove forgoten commented out line.
12240         (cgraph_optimize): Analyze functions.
12241
12242 2007-01-08  Jan Hubicka  <jh@suse.cz>
12243
12244         * tree-pas.h (TODO_remove_function): New flag.
12245         (TODO_update*): Renumber.
12246         (pass_ipa_increase_alignment,
12247         pass_ipa_function_and_variable_visibility): New passes.
12248         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12249         (cgraph_function_and_variable_visibility): Move to ipa.c
12250         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12251         cgraph_increase_alignment.
12252         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12253         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12254         calling tree-inline.
12255         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12256         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12257         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12258         (gate_increase_alignment): New function.
12259         (pass_ipa_increase_alignment): New pass.
12260         * ipa.c: Inline tree-pass.h and timevar.h
12261         (function_and_variable_visibility): Move here from cgraphunit.c
12262         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12263         * passes.c (init_optimization_passes): Add the two new passes.
12264         (execute_todo): Handle cgraph_remove_functions.
12265
12266 2007-01-08  Nick Clifton  <nickc@redhat.com>
12267
12268         * config/frv/predicates.md (reg_or_0_operand): Accept
12269         CONST_DOUBLEs.
12270
12271 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12272
12273         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12274         * config.gcc: Add bfin*-rtems*.
12275
12276 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12277
12278         * c.opt: Add -flax-vector-conversions.
12279         * c-typeck.c (convert_for_assignment): Pass flag to
12280         vector_types_convertible_p to allow emission of note.
12281         (digest_init): Likewise.
12282         * c-opts.c: Handle -flax-vector-conversions.
12283         * c-common.c (flag_lax_vector_conversions): New.
12284         (vector_types_convertible_p): Unless -flax-vector conversions
12285         has been passed, disallow conversions between vectors with
12286         differing numbers of subparts and/or element types.  If such
12287         a conversion is disallowed, possibly emit a note on the first
12288         occasion only to inform the user of -flax-vector-conversions.
12289         The new last argument specifies this.
12290         * c-common.h (flag_lax_vector_conversions): New.
12291         (vector_types_convertible_p): Add extra argument.
12292         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12293         char_type_node for V*QI type vectors.
12294         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12295         Update to satisfy new typechecking rules.
12296         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12297         C and C++ variants.
12298         * doc/invoke.texi (C Dialect Options): Document
12299         -flax-vector-conversions.
12300
12301 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12302
12303         PR tree-optimization/29877
12304         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12305         a register variable on the RHS to not be replaceable.
12306
12307 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12308         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12309         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12310         const_simm15, const_pow2, const_npow2): Added.
12311         * config/score/misc.md (insv, extv, extzv, movmemsi,
12312         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12313         * config/score/score.c (score_address_cost, score_select_cc_mode):
12314         Added.
12315         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12316         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12317         Update score_print_operand.
12318         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12319         Adjust register allocate order and update some macro define.
12320         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12321         mdx_block_move_straight, mdx_block_move_loop_head,
12322         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12323         mdx_block_move): Added.
12324         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12325         mdp_limm): Updated and fix some bug and typo.
12326         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12327         (movsf, movdf, doloop_end): Added.
12328
12329 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12330
12331         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12332         config/arm/thumb2.md: Fix comment typos.
12333         * doc/extend.texi: Fix a typo.
12334
12335 2007-01-07  Eric Christopher  <echristo@apple.com>
12336
12337         * configure.ac: Check for __stack_chk_fail for darwin.
12338         * configure: Regenerate.
12339
12340 2007-01-07  Richard Guenther  <rguenther@suse.de>
12341
12342         * tree-vrp.c (extract_range_from_assert): CSE calls to
12343         compare_values where possible.
12344         (extract_range_from_unary_expr): Likewise.
12345
12346 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12347
12348         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12349         * config/avr/avr.c (call_insn_operand): Delete function.
12350         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12351         instead of register number. Use predicates.
12352         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12353         call_insn_operand): Add.
12354
12355 2007-01-06  Jan Hubicka  <jh@suse.cz>
12356
12357         * tree-pass.h (pass_build_cgraph_edges): Declare.
12358         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12359         (visited_nodes): Remove.
12360         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12361         build_cgrpah_edges; make visited_nodes local.
12362         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12363         (record_references_in_initializer): Move to cgraphbuild.c
12364         (initialize_inline_failed, rebuild_cgraph_edges,
12365         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12366         (verify_cgraph_node): Make visited_nodes local.
12367         (cgraph_analyze_function): Do not call cgraph_create_edges and
12368         initialize_inline_failed.
12369         (cgraph_expand_function): Do not call cgraph_lower_function;
12370         assert that function is already lowered.
12371         * Makefile.in (cgraphbuild.o): New.
12372         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12373         at the end of lowering passes.
12374
12375 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12376
12377         * ifcvt.c (cond_move_convert_if_block): New function, code
12378         factored out from...
12379         (cond_move_process_if_block): ...here.  Call the new function
12380         on the THEN and ELSE blocks.
12381         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12382         already takes care of this.
12383
12384 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12385
12386         PR c/19978
12387         * tree.h (TREE_OVERFLOW_P): New.
12388         * c-typeck.c (parser_build_unary_op): Warn only if result
12389         overflowed and operands did not.
12390         (parser_build_binary_op): Likewise.
12391         (convert_for_assignment): Remove redundant overflow_warning.
12392         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12393
12394 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12395
12396         * c-typeck.c (store_init_value): Split over two lines to follow
12397         the GNU coding style.
12398
12399 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12400
12401         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12402         __GXX_EXPERIMENTAL_CXX0X__.
12403         * doc/cpp.texi: Same.
12404
12405 2007-01-05  Richard Guenther  <rguenther@suse.de>
12406
12407         PR middle-end/27826
12408         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12409         with mismatched types.  Instead explicitly build a
12410         conversion NOP_EXPR.
12411
12412 2007-01-05  Ian Lance Taylor  <iant@google.com>
12413
12414         * c-common.c (decl_with_nonnull_addr_p): New function.
12415         (c_common_truthvalue_conversion): Call it.
12416         * c-typeck.c (build_binary_op): Likewise.
12417         * c-common.h (decl_with_nonnull_addr_p): Declare.
12418
12419 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12420
12421         PR c/30360
12422         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12423         denom against 0.0.
12424
12425 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12426
12427         * doc/install.texi (Final install): Document the fact that
12428         the GNAT runtime should not be stripped.
12429
12430 2007-01-04  Jan Hubicka  <jh@suse.cz>
12431
12432         * tree-inline.c (fold_marked_statements): Update operand caches
12433         and EH after folding
12434
12435 2007-01-04  Ian Lance Taylor  <iant@google.com>
12436
12437         * c-common.c (check_function_nonnull): Whitespace fix.
12438
12439 2007-01-04  Jan Hubicka  <jh@suse.cz>
12440
12441         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12442         comitted older version of patch.
12443         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12444         function, celanup cfg and collect garbage.
12445
12446 2007-01-04  Mike Stump  <mrs@apple.com>
12447
12448         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12449         (clean): Likewise.
12450
12451 2007-01-04  Eric Christopher  <echristo@apple.com>
12452
12453         * libgcc2.c (__bswapsi2): Use SItype.
12454         (__bswapdi2): Use DItype.
12455         * libgcc2.h: Update for above.
12456
12457 2007-01-04  Paul Brook  <paul@codesourcery.com>
12458
12459         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12460         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12461         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12462         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12463         umulsi3_highpart): Make conditional on !arm_arch6.
12464         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12465         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12466         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12467         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12468         umulsi3_highpart_v6): New insns.
12469
12470 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12471
12472         * fold-const.c (fold_convert): When casting an expression to void,
12473         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12474         have a type.  Instead of attempting to build a NOP_EXPR, return
12475         these "special" trees directly.
12476
12477 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12478
12479         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12480         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12481         rs6000_cost->fp not 0 as adjustment for outer NEG.
12482
12483 2007-01-04  Jan Hubicka  <jh@suse.cz>
12484
12485         * cgraph.c (cgraph_release_function_body): New function.
12486         (cgraph_remove_node): Use it.
12487         * cgraph.h (cgraph_release_function_body): Declare.
12488         * cgraphunit.c (cgraph_expand_function): Use it.
12489         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12490         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12491         is initialized and while compilation of other function is running.
12492         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12493         statement CFG annotations from here to ...
12494         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12495
12496 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12497
12498         * cfgloop.h (enum li_flags): Make the constants powers of two.
12499
12500 2007-01-04  Jan Hubicka  <jh@suse.cz>
12501
12502         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12503         set.
12504         (fold_marked_statements): New function.
12505         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12506         * tree-inline.h (copy_body_data): Add statements_to_fold.
12507
12508 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12509
12510         * config.gcc: Mention libgcc/config.host.
12511         * Makefile.in: Update comments mentioning libgcc.
12512         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12513         (all.cross, start.encap, rest.encap, rest.cross): Update
12514         dependencies for libgcc move.
12515         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12516         (clean-target, clean-target-libgcc): Delete.
12517         (srcdirify, GCC_EXTRA_PARTS): New macros.
12518         (libgcc-support, libgcc.mvars): New rules.
12519         (distclean): Remove mention of mklibgcc.
12520         (install): Don't reference INSTALL_LIBGCC.
12521         (install-common): Don't reference EXTRA_PARTS.
12522         (install-libgcc, install-multilib): Delete rules.
12523         * mklibgcc.in: Delete file.
12524         * doc/configfiles.texi: Don't mention mklibgcc.
12525
12526         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12527         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12528         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12529         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12530         (mklibgcc, ldblspecs): Likewise.
12531
12532         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12533         (posixpre.def): Use $(T).
12534         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12535         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12536         (SHLIB_LINK): Make dummy.
12537         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12538
12539         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12540
12541         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12542         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12543         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12544         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12545
12546         * configure.ac (all_outputs): Remove mklibgcc.
12547         * configure: Regenerated.
12548
12549 2007-01-03  Josh Conner  <jconner@apple.com>
12550
12551         PR middle-end/29683
12552         * calls.c (compute_argument_addresses): Set stack and stack_slot
12553         for partial args, too.
12554         (store_one_arg): Use locate.size.constant for the size when
12555         generating a save_area.
12556
12557 2007-01-03  Robert Kennedy <jimbob@google.com>
12558
12559         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12560         whose definitions are deleted due to basic block merging.
12561
12562 2007-01-03  Paul Brook  <paul@codesourcery.com>
12563
12564         PR target/16634
12565         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12566         functions.
12567         (use_return_insn): Return 0 for Thumb interrupt functions.
12568         (print_multi_reg): Add rfe argument for IRQ returns.
12569         (arm_output_epilogue): Pop interrupt return address directly into PC.
12570         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12571
12572 2007-01-03  Paul Brook  <paul@codesourcery.com>
12573
12574         Merge from sourcerygxx-4_1.
12575         * config/arm/thumb2.md: New file.
12576         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12577         Thumb-2.
12578         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12579         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12580         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12581         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12582         tables.
12583         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12584         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12585         comptibility.
12586         * config/arm/ieee754-sf.S: Ditto.
12587         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12588         (thumb1_base_register_rtx_p): ... to this.
12589         (thumb_index_register_rtx_p): Rename...
12590         (thumb1_index_register_rtx_p): ... to this.
12591         (thumb_output_function_prologue): Rename...
12592         (thumb1_output_function_prologue): ... to this.
12593         (thumb_legitimate_address_p): Rename...
12594         (thumb1_legitimate_address_p): ... to this.
12595         (thumb_rtx_costs): Rename...
12596         (thumb1_rtx_costs): ... to this.
12597         (thumb_compute_save_reg_mask): Rename...
12598         (thumb1_compute_save_reg_mask): ... to this.
12599         (thumb_final_prescan_insn): Rename...
12600         (thumb1_final_prescan_insn): ... to this.
12601         (thumb_expand_epilogue): Rename...
12602         (thumb1_expand_epilogue): ... to this.
12603         (arm_unwind_emit_stm): Rename...
12604         (arm_unwind_emit_sequence): ... to this.
12605         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12606         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12607         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12608         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12609         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12610         thumb2_output_casesi): New functions.
12611         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12612         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12613         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12614         THUMB2_WORK_REGS): Define.
12615         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12616         arm_condexec_mask, arm_condexec_masklen)): New variables.
12617         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12618         (arm_override_options): Check new CPU capabilities.
12619         Set new architecture flag variables.
12620         (arm_isr_value): Handle v7m interrupt functions.
12621         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12622         Thumb-2.
12623         (const_ok_for_arm): Handle Thumb-2 constants.
12624         (arm_gen_constant): Ditto.  Use movw when available.
12625         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12626         functions.
12627         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12628         (thumb_find_work_register, arm_load_pic_register,
12629         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12630         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12631         print_multi_reg, output_mov_long_double_fpa_from_arm,
12632         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12633         output_mov_double_fpa_from_arm, output_move_double,
12634         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12635         output_return_instruction, arm_output_function_prologue,
12636         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12637         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12638         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12639         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12640         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12641         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12642         '!' and 'L'.
12643         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12644         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12645         (arm_file_start): Output directive for unified syntax.
12646         (arm_unwind_emit_set): Handle stack alignment instruction.
12647         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12648         Add v6t2, v7, v7a, v7r and v7m.
12649         (RETLDM): Add Thumb-2 code.
12650         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12651         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12652         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12653         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12654         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12655         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12656         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12657         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12658         ADJUST_INSN_LENGTH): Define.
12659         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12660         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12661         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12662         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12663         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12664         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12665         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12666         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12667         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12668         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12669         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12670         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12671         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12672         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12673         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12674         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12675         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12676         cortex-m3.
12677         * config/arm/arm-tune.md: Regenerate.
12678         * config/arm/arm-protos.h: Update prototypes.
12679         * config/arm/vfp.md: Enable patterns for Thumb-2.
12680         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12681         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12682         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12683         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12684         * config/arm/libunwind.S: Add Thumb-2 code.
12685         * config/arm/constraints.md: Update include Thumb-2.
12686         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12687         * config/arm/ieee754-df.S: Ditto.
12688         * config/arm/bpabi.S: Ditto.
12689         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12690         * config/arm/predicates.md (low_register_operand,
12691         low_reg_or_int_operand, thumb_16bit_operator): New.
12692         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12693         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12694         * config/arm/t-arm-elf: Add armv7 multilib.
12695         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12696         Include thumb2.md.
12697         (UNSPEC_STACK_ALIGN, ce_count): New.
12698         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12699         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12700         insns/expanders.
12701         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12702         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12703         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12704         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12705         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12706         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12707         insns.
12708         * doc/extend.texi: Document ARMv7-M interrupt functions.
12709         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12710
12711 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12712
12713         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12714         (struct _Unwind_Context): Rename args_size to flags, remove
12715         signal_frame field, add a new args_size field and version field.
12716         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12717         _Unwind_IsExtendedContext): New inline functions.
12718         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12719         Assume by_value array is only present if _Unwind_IsExtendedContext.
12720         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12721         _Unwind_IsSignalFrame.
12722         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12723         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12724         (uw_init_context_1): Initialize context->flags to
12725         EXTENDED_CONTEXT_BIT.
12726         * config/rs6000/linux-unwind.h (frob_update_context): Use
12727         _Unwind_SetSignalFrame.
12728
12729 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12730
12731         PR middle-end/30353
12732         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12733         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12734         the value.
12735
12736 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12737
12738         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12739         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12740         RET, AT_SP): Remove.
12741         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12742         instead of RET.
12743
12744         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12745         * cfgbuild.c (find_basic_blocks): Likewise.
12746         * cfgrtl.c (rtl_create_basic_block): Likewise.
12747         * function.c (temp_slots_at_level): Likewise.
12748         * reg-stack.c (stack_regs_mentioned): Likewise.
12749         * regclass.c (allocate_reg_info): Likewise.
12750         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12751         set_bb_for_stmt, move_block_to_fn): Likewise.
12752         * tree-complex.c (tree_lower_complex): Likewise.
12753         * vec.h (VEC_safe_grow_cleared): New.
12754
12755         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12756
12757 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12758
12759         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12760         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12761         to loop_version.
12762         * cfgloopmanip.c (scale_loop_frequencies): Export.
12763         (loopify): Scale the frequencies by prescribed coefficients.
12764         (set_zero_probability): New function.
12765         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12766         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12767         and frequencies according to arguments.
12768         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12769         correctly.
12770         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12771         * modulo-sched.c (sms_schedule): Set probabilities for entering
12772         versioned loop correctly.
12773         * tree-vect-transform.c (vect_transform_loop): Ditto.
12774         * cfgloop.h (loopify, loop_version): Declaration changed.
12775         (scale_loop_frequencies): Declared.
12776
12777 2007-01-02  Jan Hubicka  <jh@suse.cz>
12778
12779         * cgraph.c: Include tree-flow.h
12780         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12781         early_local_passes.
12782         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12783         * tree-pass.h (pass_all_early_optimizations): Declare.
12784         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12785         early_local_passes.
12786         (cgraph_analyze_function): Do early_local_passes.
12787         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12788         Do not add referenced vars.
12789         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12790         SSA form.
12791         (gate_all_early_local_passes): New gate.
12792         (pass_early_local_passes): Use new gate.
12793         (execute_early_local_optimizations): New functions.
12794         (gate_all_early_optimizations): New gate.
12795         (pass_all_early_optimizations): New pass.
12796         (execute_free_datastructures): Free SSA only when initialized.
12797         (gate_init_datastructures): Init only when optimizing.
12798         (tree_lowering_passes): Do early local passes when called late.
12799         * tree-profile.c (do_tree_profiling): Don't profile functions added
12800         late.
12801         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12802         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12803         not active.
12804         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12805         during early_local_passes.
12806         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12807
12808
12809 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12810
12811         * Makefile.in: Update copyright year.
12812
12813 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12814
12815         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12816         in $(lang_checks) and check-consistency targets.
12817
12818 2007-01-02  Jan Hubicka  <jh@suse.cz>
12819
12820         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12821         Do not add referenced vars.
12822         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12823         are not active.
12824         * passes.c (init_optimization_passes): Put mudflap_2 after
12825         free_datastructures.
12826
12827 2007-01-02  Jan Hubicka  <jh@suse.cz>
12828
12829         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12830         Set NOTHROW flag on call statements proved to be nothrow.
12831         Update statement of local calls so new pure/const functions are
12832         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12833         goto receivers.
12834         (tree_rest_of_compilation): Register hooks and initialize bitmap
12835         early. Do not set after_inlining flag.
12836
12837 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12838
12839         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12840         HOST_BITS_PER_LONGLONG
12841
12842 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12843
12844         PR c/19977
12845         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12846         warning for non-static initializers.
12847
12848 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12849
12850         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12851         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12852         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12853         Always use set_unique_reg_note to add REG_EQUAL notes.
12854
12855 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12856
12857         Revert:
12858         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12859
12860         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12861         * cfgbuild.c (find_basic_blocks): Likewise.
12862         * cfgrtl.c (rtl_create_basic_block): Likewise.
12863         * function.c (temp_slots_at_level): Likewise.
12864         * reg-stack.c (stack_regs_mentioned): Likewise.
12865         * regclass.c (allocate_reg_info): Likewise.
12866         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12867         set_bb_for_stmt, move_block_to_fn): Likewise.
12868         * tree-complex.c (tree_lower_complex): Likewise.
12869         * vec.h (VEC_safe_grow_cleared): New.
12870
12871 2007-01-02  Ian Lance Taylor  <iant@google.com>
12872
12873         * c-common.c (c_common_truthvalue_conversion): When warning about
12874         using an assignment as a truth value, set TREE_NO_WARNING.
12875
12876 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12877
12878         PR middle-end/7651
12879         * c.opt (Wold-style-declaration): New.
12880         * doc/invoke.texi (C-only Warning Options): New.
12881         (Wold-style-declaration): Document it.
12882         (Wextra): Enabled by -Wextra.
12883         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12884         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12885         -Wold-style-declaration.
12886
12887 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12888
12889         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12890         * cfgbuild.c (find_basic_blocks): Likewise.
12891         * cfgrtl.c (rtl_create_basic_block): Likewise.
12892         * function.c (temp_slots_at_level): Likewise.
12893         * reg-stack.c (stack_regs_mentioned): Likewise.
12894         * regclass.c (allocate_reg_info): Likewise.
12895         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12896         set_bb_for_stmt, move_block_to_fn): Likewise.
12897         * tree-complex.c (tree_lower_complex): Likewise.
12898         * vec.h (VEC_safe_grow_cleared): New.
12899
12900 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12901
12902         * c-common.c (c_common_nodes_and_builtins): Since variants of
12903         void_type_node get built before it is given a name, we need to
12904         give those variants the name, too.
12905         (complete_array_type): We need to work with the canonical main
12906         type of the array, from which we will build the qualified version.
12907         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12908         * print-tree.c (print_node): Display canonical type information
12909         for each type.
12910         * stor-layout.c (layout_type): When we don't know the
12911         alignment of a type for which we're building an array, we end up
12912         guessing wrong, so make the type require structural equality.
12913         * tree.c (make_node_stat): When we build a new type, it is its
12914         own canonical type.
12915         (build_type_attribute_qual_variant): When building an attribute
12916         variant, its canonical type is the non-attribute variant. However,
12917         if the attributes are target-dependent and they differ, we need to
12918         use structural equality checks for this type.
12919         (build_qualified_type): A qualified type is not equivalent to its
12920         unqualified variant; set the canonical type appropriately.
12921         (build_distinct_type_copy): When building a distinct type from
12922         another type, the new type is its own canonical type.
12923         (build_variant_type_copy): When building a new type variant, we
12924         assume that it is equivalent to the original type.
12925         (build_pointer_type_for_mode): When building a pointer type, also
12926         build a canonical type pointer.
12927         (build_reference_type_for_mode): When building a reference type,
12928         also build a canonical type reference.
12929         (build_index_type): When we can't hash an index type (e.g.,
12930         because its maximum value is negative), the index type requires
12931         structural equality tests.
12932         (build_array_type): Build the canonical form of an array type.
12933         (build_function_type): Function types require structural equality,
12934         because they contain default arguments, attributes, etc.
12935         (build_method_type_directly): Ditto for method types.
12936         (build_offset_type): Build the canonical offset type.
12937         (build_complex_type): Build the canonical vector type.
12938         (make_vector_type): Build the canonical vector type.
12939         * tree.h (TYPE_CANONICAL): New.
12940         (TYPE_STRUCTURAL_EQUALITY_P): New.
12941         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12942         (struct tree_type): Added "canonical" field.
12943         * params.h (VERIFY_CANONICAL_TYPES): New.
12944         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12945         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12946         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12947         * doc/invoke.texi (verify-canonical-types): Document --param
12948         parameter for verifying canonical types.
12949
12950 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12951
12952         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12953         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12954         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12955         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12956         tm_file.
12957         * config/rs6000/e500.h: New.
12958         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12959         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12960         Remove.
12961         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12962         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12963         TARGET_E500_DOUBLE): Remove.
12964         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12965         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12966         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12967         * config/rs6000/rs6000.c (rs6000_override_options): Use
12968         CHECK_E500_OPTIONS.
12969
12970 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12971
12972         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12973         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12974         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12975         rs6000_emit_cmove): Don't check TARGET_E500.
12976         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12977         sordered): Don't check TARGET_E500.
12978
12979 2007-01-01  Eric Christopher  <echristo@apple.com>
12980
12981         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12982         HARD_REGISTER_NUM_P.
12983
12984 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12985
12986         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12987         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12988         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12989         eq/ne Y".
12990
12991 2007-01-01  Mike Stump  <mrs@apple.com>
12992
12993         * configure.ac: Remove support for building with Apple's gcc-3.1.
12994
12995 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12996
12997         PR middle-end/30311
12998         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12999         REG is a hard register.  Do not modify REG before calling
13000         subreg_nregs.
13001         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13002         multiple of the size of YMODE for certain lowpart cases.
13003
13004 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13005
13006         PR middle-end/30253
13007         * gimplify (voidify_wrapper_expr): Update for
13008         GIMPLE_MODIFY_STMT.
13009
13010 2007-01-01  Andreas Schwab  <schwab@suse.de>
13011
13012         PR target/29166
13013         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13014         save of BR0 in extra_spill_size instead of spill_size.
13015         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13016         area.
13017         (ia64_expand_epilogue): Restore BR0 from its new location.
13018
13019 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13020
13021         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13022         Use a temporary variable if the left hand side is not a gimple
13023         register.
13024
13025 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13026
13027         * gimplify.c (gimplify_return_expr): Make the temporary variable
13028         for the return expression, a gimple register variable.
13029
13030 2007-01-01  Jan Hubicka  <jh@suse.cz>
13031
13032         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13033         INSN_LIST.
13034
13035 2007-01-01  Mike Stump  <mrs@apple.com>
13036
13037         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13038         .literal16.
13039         * config/darwin.c (machopic_select_rtx_section): Use
13040         HAVE_GAS_LITERAL16.
13041         (darwin_mergeable_constant_section): Likewise.
13042         * configure: Regenerate.
13043         * config.in: Regenerate.
13044
13045 2007-01-01  Jan Hubicka  <jh@suse.cz>
13046             Andrew Pinski  <pinskia@gmail.com>
13047
13048         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13049         before starting IPA passes.