gcc/ChangeLog

   1 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
   4         -msoft-float -mlong-double-128 only issue a warning, but don't
   5         swich to DFmode long double.
   6
   7 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
   8
   9         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
  10         has a constant equivalent, iterate over equivalents for arg0,
  11         calling simplify_relational_operation and if there's a result
  12         cheaper than X, apply fold_rtx and return the result.
  13
  14 2006-02-01  Jan Hubicka  <jh@suse.cz>
  15
  16         * opts.c (no_unit_at_a_time_default): New global variable.
  17         (decode_options): Use it.
  18         * opts.h (no_unit_at_a_time_default): Declare.
  19
  20 2006-02-01  Paul Brook  <paul@codesourcery.com>
  21
  22         * function.c (assign_parm_setup_reg): Use function argument promotion
  23         rules.
  24         * expr.c (expand_expr_real_1): Use function argument promotion rules
  25         for PARM_DECLs.
  26
  27 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
  28
  29         * gcc.c (process_command): Change j to 'unsigned int'.
  30
  31 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
  32
  33         PR middle-end/26001
  34         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
  35         Use the corrected index for the character
  36         out of the string constant.
  37
  38 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
  39
  40         * mode-switching.c (optimize_mode_switching): Fix size
  41         allocated for bb_info[n_entities].
  42
  43 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
  44
  45         * gcc.c (main): Correct type that is allocated for
  46         explicit_link_files.
  47
  48 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
  49
  50         * config/s390/s390.c (init_alignment_context): Set
  51         ALIAS_SET_MEMORY_BARRIER on the MEM.
  52         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
  53
  54 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
  55
  56         PR middle-end/25933
  57         * loop-unroll.c (unroll_loop_runtime_iterations): Free
  58         dom_bbs pointer.
  59         * tree-ssa-live.c (type_var_init): Allocate bitmap after
  60         call to tpa_init.
  61
  62 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
  63
  64         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
  65         * regrename.c: Ditto.
  66         * tree-ssa-loop-im.c: Ditto.
  67         * tree-dump.c: Ditto.
  68         * tree-complex.c: Ditto.
  69         * genrecog.c: Ditto.
  70         * tree-ssa-threadupdate.c: Ditto.
  71         * tracer.c: Ditto.
  72         * java/class.c: Ditto.
  73         * java/jcf-parse.c: Ditto.
  74         * java/resource.c: Ditto.
  75         * java/except.c: Ditto.
  76         * java/jvspec.c: Ditto.
  77         * java/jcf-write.c: Ditto.
  78         * java/jcf-path.c: Ditto.
  79         * java/gjavah.c: Ditto.
  80         * java/zextract.c: Ditto.
  81         * java/jcf-io.c: Ditto.
  82         * java/jcf.h: Ditto.
  83         * java/buffer.c: Ditto.
  84         * java/lang.c: Ditto.
  85         * java/parse-scan.y: Ditto.
  86         * java/lex.c: Ditto.
  87         * java/lex.h: Ditto.
  88         * cfgloopmanip.c: Ditto.
  89         * postreload-gcse.c: Ditto.
  90         * tree-ssa-loop-manip.c: Ditto.
  91         * postreload.c: Ditto.
  92         * tree-ssa-loop-ch.c: Ditto.
  93         * loop.c: Ditto.
  94         * ipa-cp.c: Ditto.
  95         * cppspec.c: Ditto.
  96         * diagnostic.c: Ditto.
  97         * final.c: Ditto.
  98         * genoutput.c: Ditto.
  99         * gcc.c: Ditto.
 100         * cfghooks.c: Ditto.
 101         * cfgloopanal.c: Ditto.
 102         * objc/objc-act.c: Ditto.
 103         * gcov.c: Ditto.
 104         * genextract.c: Ditto.
 105         * genautomata.c: Ditto.
 106         * pretty-print.c: Ditto.
 107         * genemit.c: Ditto.
 108         * cgraphunit.c: Ditto.
 109         * flow.c: Ditto.
 110         * df-scan.c: Ditto.
 111         * haifa-sched.c: Ditto.
 112         * dominance.c: Ditto.
 113         * dbxout.c: Ditto.
 114         * tree-ssa-loop-ivopts.c: Ditto.
 115         * df-core.c: Ditto.
 116         * mode-switching.c: Ditto.
 117         * modulo-sched.c: Ditto.
 118         * graph.c: Ditto.
 119         * ipa-pure-const.c: Ditto.
 120         * cse.c: Ditto.
 121         * fix-header.c: Ditto.
 122         * web.c: Ditto.
 123         * tree-stdarg.c: Ditto.
 124         * ipa-utils.c: Ditto.
 125         * loop-init.c: Ditto.
 126         * ipa-inline.c: Ditto.
 127         * cfganal.c: Ditto.
 128         * global.c: Ditto.
 129         * alloc-pool.c: Ditto.
 130         * dwarf2out.c: Ditto.
 131         * opts.c: Ditto.
 132         * genattrtab.c: Ditto.
 133         * tree-ssa-loop-ivcanon.c: Ditto.
 134         * predict.c: Ditto.
 135         * timevar.c: Ditto.
 136         * lcm.c: Ditto.
 137         * fortran/gfortranspec.c: Ditto.
 138         * regmove.c: Ditto.
 139         * local-alloc.c: Ditto.
 140         * langhooks.c: Ditto.
 141         * function.c: Ditto.
 142         * tree-vectorizer.c: Ditto.
 143         * gcse.c: Ditto.
 144         * ipa-type-escape.c: Ditto.
 145         * alias.c: Ditto.
 146         * tree-if-conv.c: Ditto.
 147         * profile.c: Ditto.
 148         * ipa.c: Ditto.
 149         * tree-data-ref.c: Ditto.
 150         * loop-unroll.c: Ditto.
 151         * treelang/treetree.c: Ditto.
 152         * calls.c: Ditto.
 153         * bt-load.c: Ditto.
 154         * ggc-common.c: Ditto.
 155         * except.c: Ditto.
 156         * coverage.c: Ditto.
 157         * cselib.c: Ditto.
 158         * tree-cfgcleanup.c: Ditto.
 159         * tree-ssa-pre.c: Ditto.
 160         * cfgcleanup.c: Ditto.
 161         * loop-invariant.c: Ditto.
 162         * loop-iv.c: Ditto.
 163         * ipa-prop.c: Ditto.
 164         * print-tree.c: Ditto.
 165         * conflict.c: Ditto.
 166         * ggc-page.c: Ditto.
 167         * sched-deps.c: Ditto.
 168         * regclass.c: Ditto.
 169         * tree-object-size.c: Ditto.
 170         * combine.c: Ditto.
 171         * bb-reorder.c: Ditto.
 172         * resource.c: Ditto.
 173         * var-tracking.c: Ditto.
 174         * cfgloop.c: Ditto.
 175         * df-problems.c: Ditto.
 176         * reg-stack.c: Ditto.
 177         * tlink.c: Ditto.
 178         * gccspec.c: Ditto.
 179         * sched-rgn.c: Ditto.
 180         * tree-ssa-structalias.c: Ditto.
 181         * tree-ssa-reassoc.c: Ditto.
 182         * config/darwin-c.c: Ditto.
 183         * config/darwin.c: Ditto.
 184         * config/arm/arm.c: Ditto.
 185         * cfgrtl.c: Ditto.
 186         * collect2.c: Ditto.
 187         * reload1.c: Ditto.
 188
 189 2006-01-31  Nicolas Pitre  <nico@cam.org>
 190
 191         * arm.md (smaxsi3): Make aware of smax_m1.
 192         (smax_m1): New.
 193
 194 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
 195
 196         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
 197
 198 2006-01-31  Richard Guenther  <rguenther@suse.de>
 199
 200         * doc/invoke.texi (-msselibm): Document.
 201         * target.h (expand_library_builtin): New target hook.
 202         * builtins.c (expand_builtin): Use expand_library_builtin.
 203         (default_expand_library_builtin): New function.
 204         * gcc.c (LINK_GCC_MATH_SPEC): Define.
 205         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
 206         (link_gcc_math_spec): Declare.
 207         (static_specs): Add link_gcc_math_spec.
 208         * expr.h (default_expand_library_builtin): Declare.
 209         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
 210         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
 211         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
 212         * config/i386/i386.opt (msselibm): New target option.
 213         * config/i386/i386.c (ix86_builtin_function_variants): New array.
 214         (ix86_init_sse_abi_builtins): New function.
 215         (ix86_expand_library_builtin): Likewise.
 216         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
 217         (override_options): Handle error conditions wrt -msselibm.
 218         (ix86_builtins): Add function codes for SSE2 ABI builtins.
 219         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
 220         * doc/extend.texi (__builtin_sse2_*): Document new target specific
 221         builtins.
 222
 223 2006-01-31  Richard Guenther  <rguenther@suse.de>
 224         Paolo Bonzini  <bonzini@gnu.org>
 225
 226         * doc/install.texi (--disable-libgcc-math): Document.
 227
 228 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
 229
 230         * expr.h (expand_normal): new inline function.
 231         * builtins.c: use it, use EXPAND_NORMAL explicitely.
 232         * dojump.c: use it.
 233         * dwarf2out.c: use it.
 234         * expr.c: use it.
 235         * calls.c: use it.
 236         * expmed.c: use it.
 237         * except.c: use it.
 238         * config/sparc/sparc.c: use it.
 239         * config/i386/i386.c: use it.
 240         * config/rs6000/rs6000.c: use it.
 241         * config/arm/arm.c: use it.
 242         * config/mips/mips.c: use it.
 243         * stmt.c: use it, use EXPAND_NORMAL explicitely.
 244
 245 2006-01-30  Roger Sayle  <roger@eyesopen.com>
 246
 247         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
 248         argv to the appropriate type.
 249
 250 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
 251
 252         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
 253         unreachable code.
 254
 255 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
 256
 257         PR target/26018
 258         * config/s390/s390.c (struct machine_function): New flag
 259         decomposed_literal_pool_addresses_ok_p.
 260         (s390_reorg): Set it before final stage of literal pool transforms.
 261         (s390_decompose_address): Only accept displacements of the form
 262         (minus (label_ref ...) (label_ref ...)) if that flag is set.
 263
 264 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
 265
 266         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
 267         the comparison routine return.
 268
 269 2006-01-30  Michael Matz  <matz@suse.de>
 270
 271         * global.c (find_reg): Only evict for global regs.
 272         Take n_refs into account and dump more info.
 273
 274 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
 275
 276         PR target/14798:
 277         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
 278         (pragma_trap, pragma_nosave_low_regs): Likewise.
 279         (current_function_anonymous_args): Likewise.
 280         (sh_deferred_function_attributes): New variable.
 281         (sh_deferred_function_attributes_tail): Likewise.
 282         (print_operand): For '@', look up trap_exit attribute.
 283         (calc_live_regs): Look up trapa_handler attribute.  For trapa
 284         handlers, save/restore fpscr, but don't do any other
 285         interrupt-specific saves.
 286         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
 287         Fix check for partially saved registers to check for SHmedia.
 288         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
 289         (sh_output_function_epilogue): Don't clear any of the removed
 290         variables.
 291         (sh_insert_attributes): Don't check pragma_interrupt.
 292         Insert deferred attributes.  Check that interrupt attribute is
 293         present for other attributes that require its presence.
 294         (sh_attribute_table): Add new attributes trapa_handler and
 295         nosave_low_regs.
 296         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
 297         Don't check for pragma_interrupt.  Don't store argument.
 298         * sh.h (pragma_interrupt, sp_switch): Don't declare.
 299         (sh_deferred_function_attributes): Declare.
 300         (sh_deferred_function_attributes_tail): Likewise.
 301         * sh.md (sp_switch_1): Add operand.  Change generator caller.
 302         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
 303         (*return_i): Don't use when trap_exit attribute is in effect.
 304         (*return_trapa): New insn pattern.
 305         * sh-c.c: New file.
 306         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
 307         setting c_target_objs and cxx_target_objs.
 308         * t-sh: Add rule for sh-c.o.
 309
 310 2006-01-30  Richard Guenther  <rguenther@suse.de>
 311
 312         PR c++/23372
 313         * gimplify.c (gimplify_target_expr): Handle easy cases
 314         without creating a temporary.
 315
 316 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
 317
 318         * vec.h (safe_grow): Remove duplicated line.
 319
 320 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
 321
 322         PR 25874
 323         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
 324         (expand_omp): ... here.
 325         (expand_omp_parallel): Only remove barriers for combined
 326         parallel+workshare constructs.
 327
 328 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
 329
 330         Revert
 331
 332         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
 333         * tree.c (build_qualified_type): Chain the new type to the original
 334         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
 335         a POINTER_TYPE or a REFERENCE_TYPE respectively.
 336         (build_pointer_type_for_mode): Only return unqualified types.
 337         (build_reference_type_for_mode): Likewise.
 338
 339 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
 340
 341         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
 342         * Makefile.in (CXX_COMPAT_WARN): Define.
 343         * configure: Regenerate.
 344
 345 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
 346
 347         PR tree-opt/25911
 348         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
 349         to an if check.
 350
 351 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 352
 353         * toplev.c: Fix thinko.
 354
 355 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 356             Marcin Dalecki  <martin@dalecki.de>
 357
 358         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
 359         (push_srcloc): Use XNEW.
 360         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
 361
 362 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
 363
 364         * df-core.c (df_set_blocks): Deleted all variable.
 365
 366 2006-01-28  Ian Lance Taylor  <ian@airs.com>
 367
 368         * cgraphunit.c (cgraph_assemble_pending_functions): Call
 369         cgraph_output_pending_asms.
 370
 371 2006-01-28  Zack Weinberg  <zackw@panix.com>
 372
 373         * c.opt: Add -W(no-)overlength-strings.
 374         * doc/invoke.texi: Document it.
 375         * c-opts.c (c_common_handle_option): -pedantic implies
 376         -Woverlength-strings, if not explicitly disabled already.
 377         (c_common_post_options): -Woverlength-strings defaults to off, and
 378         is always off for C++.
 379         * c-common.c (fix_string_type): Issue warning about strings longer
 380         than is portable only if warn_overlength_strings.  Rearrange code
 381         a little for clarity.
 382         * configure.in: Check for -Wno-overlength-strings as well before
 383         enabling -pedantic in stage 1.
 384         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
 385         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
 386
 387         * genconditions.c (write_header, write_one_condition)
 388         (write_conditions, write_writer): Consolidate very long strings
 389         that were broken up to fit in C89 portable limit.  Don't use
 390         printf when fputs will do.
 391
 392 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
 393
 394         * combine.c (simplify_comparison <AND>): Check
 395         TRULY_NOOP_TRUNCATION before start using a subreg.
 396
 397         * config/mips/mips.md (*branch_zero<mode>,
 398         *branch_zero<mode>_inverted, *branch_equality<mode>,
 399         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
 400         Remove mode check from comparisons.
 401
 402 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
 403
 404         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
 405
 406 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
 407
 408         * expmed.c (const_mult_add_overflow_p): Remove.
 409         * expr.h: Remove the prototype for const_mult_add_overflow_p.
 410
 411         * recog.c (validate_replace_rtx_subexp): Remove.
 412         * recog.h: Remove the prototype for
 413         validate_replace_rtx_subexp.
 414
 415         * integrate.h: Remove the prototype for
 416         copy_decl_for_inlining.
 417         * rtl.h: Remove the prototype for mark_constant_function.
 418         * tree-vectorizer.h: Remove the prototype for
 419         vect_strip_conversion.
 420
 421         * modulo-sched.c (create_partial_schedule,
 422         free_partial_schedule, reset_partial_schedule): Make them
 423         static.
 424
 425         * hooks.c (hook_bool_rtx_int_false): Remove.
 426         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
 427
 428 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
 429
 430         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
 431         and -mlong-double-128 are incompatible.
 432         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
 433         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
 434         (TARGET_LIBGCC2_CFLAGS): Define.
 435         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
 436         (TARGET_LIBGCC2_CFLAGS): Same.
 437         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
 438
 439 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
 440
 441         PR c/19606.
 442         * c-typeck.c (build_binary_op): Perform implicit casts of
 443         operands before shortening them.
 444
 445         * cfgloopmanip.c (split_loop_bb): Remove.
 446         * cfgloop.h: Remove the prototype for split_loop_bb.
 447
 448         * cfgloop.c (flow_loop_outside_edge_p): Remove.
 449         * cfgloop.h: Remove the prototype for
 450         flow_loop_outside_edge_p.
 451
 452         * emit-rtl.c (init_virtual_regs): Make it static.
 453         * function.h: Remove the prototype for init_virtual_regs.
 454
 455         * recog.c (peephole2_optimize): Make it static.
 456         * recog.h: Remove the prototype for peephole2_optimize.
 457
 458 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 459
 460         * df-scan.c (df_record_entry_block_defs): Check if
 461         INCOMING_RETURN_ADDR_RTX is defined.
 462
 463 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
 464             Kenneth Zadeck <zadeck@naturalbridge.com>
 465
 466         PR rtl-optimization/24762
 467         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
 468         * targhooks.c (hook_void_bitmap): New hook prototype.
 469         * targhoohs.h (hook_void_bitmap): Ditto.
 470         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
 471         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
 472         * target.h (live_on_entry): New function pointer.
 473         * df-scan.c (df_all_hard_regs): Removed.
 474         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
 475         (df_scan_free_internal): Added df->entry_block_defs.
 476         (df_scan_alloc): Ditto.
 477         (df_scan_dump): Ditto.
 478         (df_uses_record): Plumbed flag field properly thru calls.
 479         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
 480         This part fixes PR24762.
 481         (df_bb_refs_record): Added code to make the frame and arg
 482         pointers live in EH blocks.
 483         (df_refs_record): Added call to df_record_entry_block_defs.
 484         (df_record_entry_block_defs): New function.
 485         * df-core.c: Added comments to describe new artifical defs.
 486         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
 487         (entry_block_defs): New field in struct df.
 488         (df_all_hard_regs): Deleted.
 489         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
 490         * df-problems.c (df_ru_bb_local_compute_process_def):
 491         Added code to handle artifical defs in the entry to a function.
 492         (df_ru_bb_local_compute): Ditto.
 493         (df_rd_bb_local_compute_process_def):  Ditto.
 494         (df_rd_bb_local_compute): Ditto.
 495         (df_lr_bb_local_compute): Ditto.
 496         (df_ur_bb_local_compute): Ditto.
 497         (df_urec_bb_local_compute):  Ditto.
 498         (df_chain_create_bb):  Ditto.
 499         (df_ur_local_finalize): Removed entry.
 500         (df_urec_init): Ditto.
 501         (df_urec_local_finalize): Ditto.
 502         (df_ri_bb_compute): Added detection of last use of pseudos.
 503         * Makefile.in (df-scan.o): Updated dependencies.
 504         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
 505         * config/mips/mips.c (mips_set_live_on_entry): Added.
 506         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
 507         for target hook.
 508         * dce.c (marked_insn_p): Added code to handle artifical defs.
 509
 510 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 511
 512         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
 513         intrinsic.
 514         (_mm_cvtsi128_si64): Likewise.
 515         (_mm_cvtsd_si64): Likewise.
 516         (_mm_cvttsd_si64): Likewise.
 517         (_mm_cvtsi64_sd): Likewise.
 518         (_mm_cvtsi64_si128): Likewise.
 519         * config/i386/mmintrin.h (_m_from_int64): Likewise.
 520         (_mm_cvtsi64_m64): Likewise.
 521         (_m_to_int64): Likewise.
 522         (_mm_cvtm64_si64): Likewise.
 523         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
 524         (_mm_cvttss_si64): Likewise.
 525         (_mm_cvtsi64_ss): Likewise.
 526         (_mm_cvtss_f32): Likewise.
 527
 528 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
 529
 530         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
 531         for pragma redefine_extname.
 532
 533 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
 534
 535         PR target/25864
 536         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
 537         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
 538         -mno-minimal-toc to previous content.
 539         (bispecs): Remove goal.
 540         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
 541         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
 542         compatibility aliases on powerpc-*-*gnu*.
 543         * config/rs6000/libgcc-ppc-glibc.ver: New file.
 544         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
 545         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
 546         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
 547         (ldblspecs): New goal.
 548         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
 549         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
 550         _df_to_tf.
 551         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
 552         L_sf_to_tf or L_df_to_tf is defined.
 553
 554 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
 555             Alan Modra  <amodra@bigpond.net.au>
 556
 557         PR target/25864
 558         * config/rs6000/linux.h (POWERPC_LINUX): Define.
 559         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
 560         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
 561         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
 562         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
 563         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
 564         (rs6000_override_options): Initialize rs6000_ieeequad.
 565         Initialize TFmode format to ibm_extended_format if not
 566         TARGET_IEEEQUAD.
 567         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
 568         ieeelongdouble.
 569         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
 570         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
 571         (function_arg_advance): IBM long double passed in two FPRs, not
 572         split.
 573         (function_arg): IBM long double passed in FPRs.
 574         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
 575         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
 576         Only multireg GPR aligned.
 577         (rs6000_init_libfuncs): Enable IBM long double functions if not
 578         IEEEQUAD.
 579         (rs6000_generate_compare): Use IBM long double compare if not
 580         TARGET_IEEEQUAD.
 581         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
 582         (TARGET_IEEEQUAD): Define.
 583         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
 584         not TARGET_IEEEQUAD.
 585         * config/rs6000/rs6000.md: Enable TFmode patterns if
 586         !TARGET_IEEEQUAD.
 587         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
 588         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
 589         and -mlong-double-128 are incompatible.
 590         * doc/invoke.texi (-mabi): Collect options together.  Add
 591         ibmlongdouble and ieeelongdouble.
 592
 593 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
 594
 595         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
 596         opaque type.
 597         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
 598         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
 599         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
 600         * rtl.h (rtunion_def): Remove rt_ptr.
 601         (X0PTR): Delete.
 602         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
 603         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
 604         * config/i386/winnt.c (i386_pe_mark_dllexport)
 605         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
 606
 607 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
 608
 609         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
 610
 611 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
 612
 613         PR other/24829
 614         PR target/24831
 615         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
 616         pthread_key_delete.  From John David Anglin.  gthrw-ify
 617         pthread_getunique_np only if it it's not a macro.  Delete
 618         UNUSED macro.
 619         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
 620         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
 621         __gthread_objc_condition_signal, __gthread_key_delete): Add
 622         "__attribute__ ((__unused__))" to unused arguments.
 623         (__gthread_recursive_mutex_init_function): Add missing return.
 624         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
 625         gthr-posix95.h: Use macro-based approach for name redirection
 626         on targets missing weakref.
 627
 628 2006-01-26  Zack Weinberg  <zackw@panix.com>
 629
 630         * genconditions.c (write_header): In generated code, #ifdef out
 631         all includes and fake declarations, except includes of bconfig.h
 632         and system.h, unless GCC_VERSION >= 3001.  Do not include
 633         gensupport.h in any case.
 634         (write_conditions): Generate a definition of struct c_test.  Add
 635         a comment to the generated #endif.
 636         (write_one_condition): Escape backslashes in string too.
 637         (write_writer): Generated code must escape backslashes and quote
 638         marks (but not newlines) in the strings it writes.
 639         * Makefile.in (build/gencondmd.o): Update dependencies.
 640
 641 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
 642
 643         PR target/25961
 644         * Makefile.in (insn-automata.o): Add header file dependencies.
 645         * genautomata.c: Add includes.
 646
 647 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
 648
 649         PR target/25961
 650         * Makefile.in (insn-automata.o): Add -Wno-error flag.
 651
 652 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
 653
 654         * configure.ac: Expect target tools paths to be passed from the toplevel
 655         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
 656         AS_SET_VAR_IF.
 657         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
 658
 659 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
 660
 661         PR c/25892
 662         * c.opt (Wpointer-sign): Init to -1.
 663         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
 664         OPT_pedantic, to 0 otherwise.
 665         * doc/invoke.texi: Update.
 666
 667 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
 668
 669         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
 670         constants provided by 80387 instructions in the destination mode.
 671
 672 2006-01-26  Richard Guenther  <rguenther@suse.de>
 673             Andrew Pinski  <pinskia@physics.uc.edu>
 674
 675         PR tree-opt/21470
 676         partial PR tree-opt/17064
 677         * tree-ssa-structalias.c (intra_create_variable_infos):
 678         Create heap variables for incoming parameters if
 679         flag_argument_noalias > 1.
 680         (find_what_p_points_to): Look through default defs of
 681         parameter decls.
 682
 683 2006-01-26  Jeff Law  <law@redhat.com>
 684
 685         PR ada/25900
 686         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
 687         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
 688         within the VR_RANGE, use the VR_RANGE as the result, not the
 689         VR_ANTI_RANGE.
 690         (adjust_range_with_scev): Reject ranges from SCEV which are out
 691         of bounds for the type.
 692
 693 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
 694
 695         * tree-ssa-alias.c (maybe_create_global_var): Change
 696         subvar walking to an assertion that we don't have subvar'd variables.
 697
 698 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
 699
 700         PR C/25861
 701         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
 702         Use a new variable, inner.  PARM_DECLs are always non-weak.
 703
 704 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
 705
 706         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
 707         --disable-checking.
 708
 709 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
 710
 711         * config/mips/mips.md (*clear_upper32): New combiner pattern.
 712
 713 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
 714
 715         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
 716         (smax_insn, smin_insn, smax_0, smin_0): New.
 717
 718 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
 719
 720         PR target/25947
 721         * config/cris/cris.c (cris_order_for_addsi3): New function.
 722         * config/cris/cris-protos.h: Prototype it.
 723         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
 724         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
 725         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
 726         (split for "op.S1 [rx=rx+i],ry (swapped)")
 727         (split for "op(s|u).S1 [rx=rx+i],ry")
 728         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
 729         Apply cris_order_for_addsi3 when generating addsi3 insns.
 730
 731 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
 732
 733         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
 734         (TREE_BLOCK): Add call to EXPR_CHECK.
 735
 736 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
 737
 738         PR 25886
 739         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
 740         * tree-pretty-print.c (dump_omp_clause): Extract from ...
 741         (dump_omp_clauses): ... here.
 742         (dump_generic_node): Handle OMP_CLAUSE.
 743         * tree.c (omp_clause_num_ops): New.
 744         (omp_clause_code_name): New.
 745         (tree_code_size): Handle OMP_CLAUSE.
 746         (tree_size): Likewise.
 747         (make_node): Document handling of OMP_CLAUSE.
 748         (tree_node_structure): Handle OMP_CLAUSE.
 749         (omp_clause_check_failed): New.
 750         (omp_clause_range_check_failed): New.
 751         (omp_clause_operand_check_failed): New.
 752         (build_omp_clause): New.
 753         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
 754         * tree.h (enum omp_clause_code): Declare.
 755         (OMP_CLAUSE_SUBCODE_CHECK): Define.
 756         (OMP_CLAUSE_RANGE_CHECK): Define.
 757         (OMP_CLAUSE_ELT_CHECK): Define.
 758         (omp_clause_check_failed): Declare.
 759         (omp_clause_operand_check_failed): Declare.
 760         (omp_clause_range_check_failed): Declare.
 761         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
 762         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
 763         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
 764         (OMP_CLAUSE_LASTPRIVATE): Likewise.
 765         (OMP_CLAUSE_IF_EXPR): Likewise.
 766         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
 767         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
 768         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
 769         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
 770         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
 771         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
 772         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
 773         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
 774         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
 775         (OMP_CLAUSE_CODE): Define.
 776         (OMP_CLAUSE_SET_CODE): Define.
 777         (OMP_CLAUSE_CODE): Define.
 778         (OMP_CLAUSE_OPERAND): Define.
 779         (struct tree_omp_clause): Declare.
 780         (union tree_node): Add field 'omp_clause'.
 781         * treestruct.def (TS_OMP_CLAUSE): Define.
 782         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
 783         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
 784         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
 785         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
 786         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
 787         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
 788         (OMP_CLAUSE): Define.
 789         * print-tree.c (print_node): Handle OMP_CLAUSE.
 790         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
 791         * c-typeck.c: Likewise.
 792         * gimplify.c: Likewise.
 793         * c-omp.c: Likewise.
 794         * tree-nested.c: Likewise.
 795         * tree-inline.c: Likewise.
 796         * c-parser.c: Likewise.
 797         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
 798         clauses.
 799
 800 2006-01-25  Roger Sayle  <roger@eyesopen.com>
 801
 802         PR rtl-optimization/25703
 803         * combine.c (try_combine): Handle zero_extract and strict_low_part
 804         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
 805
 806 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
 807
 808         * global.c: Fix comment typos.
 809
 810 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
 811
 812         PR target/25758
 813         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
 814         Use output_addr_const instead of assemble_name.
 815
 816 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
 817
 818         * Makefile.in (sched-vis.o): Update dependencies.
 819         * haifa-sched.c (sched_finish): Clear current_sched_info.
 820         * cfg.c (dump_bb_info): New, split from dump_flow_info.
 821         (dump_flow_info): Call it.
 822         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
 823         a slim RTL dump.
 824         * basic-block.h (dump_bb_info): Declare.
 825         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
 826         option, and apply options only for dump files whose TDF_RTL,
 827         TDF_TREE, or TDF_IPA bits match.
 828         * rtl.h: Declare new functions exported from sched-vis.c.
 829         * sched-vis.c: Enable also if scheduling is not used.
 830         (print_value): Print the mode of registers if not inside scheduling.
 831         (print_insn): Make it work outside the scheduler.  Beautify the output
 832         a bit.
 833         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
 834
 835 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
 836
 837         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
 838         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
 839         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
 840         depending on the value of CONSTANT_POOL_ADDRESS_P.
 841         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
 842         SYMBOL_REF_DECL.
 843         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
 844         rather than SYMBOL_REF_DECL.
 845         (rtx_constant_pool): Remove const_rtx_sym_htab.
 846         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
 847         (init_varasm_status): Don't initialize const_rtx_sym_htab.
 848         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
 849         Remove handling of const_rtx_sym_htab.
 850         (find_pool_constant): Delete.
 851         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
 852         rather than find_pool_constant.
 853         (get_pool_constant_for_function): Delete.
 854         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
 855         find_pool_constant.
 856         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
 857         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
 858         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
 859         (SYMBOL_REF_CONSTANT): New macro.
 860         (get_pool_constant_for_function): Delete.
 861         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
 862         rather than SYMBOL_REF_DECL.
 863         (i386_pe_mark_dllimport): Likewise.
 864         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
 865         rather than SYMBOL_REF_DECL.
 866         * config/darwin.c (machopic_indirect_data_reference): Likewise.
 867         (machopic_indirect_call_target): Likewise.
 868
 869 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
 870
 871         * flow.c (delete_noop_moves): Add missing EOL to dump message.
 872
 873 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
 874
 875         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
 876
 877 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 878
 879         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
 880
 881 2006-01-24  David Daney  <ddaney@avtrex.com>
 882
 883         PR java/25816
 884         * configure.ac (enable_tls): New enable option.
 885         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
 886         * configure: Regenerate.
 887         * doc/install.texi (--enable-tls): Document new option.
 888         (--disable-tls): Ditto.
 889
 890 2006-01-24  Richard Henderson  <rth@redehat.com>
 891
 892         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
 893         * alias.c (true_dependence): Respect it.
 894         (canon_true_dependence, write_dependence_p): Likewise.
 895         * builtins.c (get_builtin_sync_mem): Set it.
 896
 897 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
 898
 899         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
 900         efficient way.
 901
 902 2006-01-24  DJ Delorie  <dj@redhat.com>
 903
 904         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
 905         for storing constants in single-bit bitfields.
 906
 907 2006-01-25  Ben Elliston  <bje@au.ibm.com>
 908
 909         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
 910
 911 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
 912
 913         PR tree-opt/25860
 914         * tree-ssa-pre.c (phi_translate): Return NULL
 915         for AGGREGATE_TYPE's.
 916
 917 2006-01-24  Zack Weinberg  <zackw@panix.com>
 918
 919         * genautomata.c (process_state_for_insn_equiv_partition):
 920         Use xcalloc for insn_arcs_array.
 921         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
 922         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
 923
 924 2006-01-24  Richard Henderson  <rth@redhat.com>
 925
 926         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
 927         update all callers.
 928
 929 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
 930
 931         PR rtl-optimization/25890
 932         PR rtl-optimization/25905
 933         * combine.c (expand_compound_operation, expand_field_assignment):
 934         Fail if the bitfield's final position is out of bounds.
 935
 936 2006-01-24  Ian Lance Taylor  <ian@airs.com>
 937
 938         PR middle-end/25930
 939         * cgraphunit.c (cgraph_output_in_order): Don't clear
 940         cgraph_asm_nodes until after asm strings have been output.
 941
 942 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
 943
 944         * fix-header.c (read_scan_file): Add new parameter imultilib when
 945         calling register_include_chains.
 946
 947 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
 948
 949         * omp-low.c: Update documentation.
 950
 951 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
 952             Daniel Berlin  <dberlin@dberlin.org>
 953
 954         PR tree-opt/25315
 955         PR tree-opt/25857
 956         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
 957         return from the function.
 958
 959 2006-01-22  Zack Weinberg  <zackw@panix.com>
 960
 961         * rtl.def (match_code): Add second argument.
 962         * genpreds.c (write_extract_subexp): New function.
 963         (write_match_code): Add path argument.  Use write_extract_subexp.
 964         (write_predicate_expr): Pass path to write_match_code.
 965         (mark_mode_tests): MATCH_CODE applied to a subexpression does
 966         not perform a mode test.
 967         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
 968         a subexpression does not constrain the top-level code set.
 969         * read-rtl.c (read_rtx_variadic): New function.
 970         (read_rtx_1): Use it; allow AND and IOR to be variadic.
 971         * doc/md.texi: Document new notation.
 972         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
 973         (cmpsi_operand): ... here, using new notation.
 974
 975 2006-01-22  Zack Weinberg  <zackw@panix.com>
 976
 977         * varray.c: Remove GENERATOR_FILE #ifdefs.
 978
 979 2006-01-22  Zack Weinberg  <zackw@panix.com>
 980
 981         * genautomata.c (output_reserved_units_table): Emit nothing if
 982         description->query_units_num is zero.  Remove extra blank line.
 983         (output_cpu_unit_reservation_p): Short circuit
 984         if description->query_units_num is zero.
 985
 986 2006-01-22  Zack Weinberg  <zackw@panix.com>
 987
 988         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
 989         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
 990         nor any of the random handful of variables that used to be necessary
 991         when this program was linked with rtlanal.o.  Prune set of forward
 992         function declarations.
 993         (struct attr_desc): Remove static_p field.
 994         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
 995         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
 996         (attr_string): Do not read the character one past the length of
 997         the string.
 998         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
 999         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1000         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1001         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1002         (make_automaton_attrs): New.
1003         (main): Do not call into genautomata.  Call local gen_bypass
1004         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1005         Remove special case for insn_alts.
1006         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1007         varray.h (leftover from previous change).  Prune set of forward
1008         function declarations.  Remove state_alts fields from all
1009         structures.  Remove state_alts_table from struct automaton.
1010         Make everything except main static.  Do not maintain num_dfa_decls.
1011         Do not maintain state_alts fields of various structures.
1012         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1013         (add_arc): Remove state_alts argument.  All callers updated.
1014         (output_reserved_units_table): Emit #ifdef here...
1015         (output_tables): ...not here.  Don't generate state_alts tables.
1016         (expand_automata): Don't generate attributes.
1017         (write_automata): Don't generate state_alts functions.
1018         (main): New function.
1019         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1020         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1021         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1022         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1023         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1024         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1025         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1026         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1027         Delete.
1028         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1029         * genattrtab.h: Delete file.
1030         * Makefile.in (OBJS-common): Add insn-automata.o.
1031         (insn-automata.o): New rule.
1032         (simple_generated_c): Add insn-automata.c.
1033         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1034         (genprogmd): Add automata.
1035         (build/genattrtab): Needs no extra objects nor libraries.
1036         (build/genautomata): Needs build/vec.o and -lm.
1037
1038 2006-01-22  Zack Weinberg  <zackw@panix.com>
1039
1040         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1041         (output_dfa_max_issue_rate, locked_states_num): Delete.
1042         (struct automaton): Add locked_states field.
1043         (output_dead_lock_vect): Save number of locked states in
1044         automaton->locked_states.  If it is zero, don't print anything.
1045         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1046         (output_internal_dead_lock_func): Only test the dead_lock_vect
1047         for automata that have locked states.
1048         (output_statistics): Always print the number of locked states for
1049         each automaton.  Calculate total number of locked states here.
1050         (write_automata): Don't call output_dfa_max_issue_rate.
1051         * genattrtab.c: Define length_unit_log as a const variable.
1052         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1053         max_insn_queue_index const.
1054         * final.c (length_unit_log): Declare const.
1055         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1056
1057 2006-01-22  Zack Weinberg  <zackw@panix.com>
1058
1059         * genautomata.c:  Include vec.h, not varray.h.
1060         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1061         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1062         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1063         VEC_* macros operating on appropriately typed vectors, or to
1064         malloced arrays when the size is known in advance.  Const-ify
1065         many char* variables and function arguments.  No functional changes.
1066         * Makefile.in (build/varray.o): Delete rule.
1067         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1068         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1069
1070 2006-01-22  Zack Weinberg  <zackw@panix.com>
1071
1072         * gensupport.c: Define get_insn_name and record_insn_name here.
1073         (read_md_rtx): Call record_insn_name as appropriate.
1074         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1075         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1076         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1077         record_insn_name.
1078         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1079         (BUILD_VARRAY): Delete.
1080         (genprognormal): Rename genprogmd.  Fold in all programs from
1081         genprognoprint; also attrtab.
1082         (build/genattrtab): Just mention genautomata.o and varray.o.
1083         Reorganize a bit, add comments to make the categories clearer.
1084
1085 2006-01-22  Zack Weinberg  <zackw@panix.com>
1086
1087         * genconditions.c (condition_table, add_condition): Delete.
1088         (write_conditions): Don't emit n_insn_conditions nor
1089         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1090         inside the table, with no #else clause ...
1091         (write_header): ...not here.
1092         (write_writer): New function.
1093         (main): Don't initialize condition_table.  Use add_c_test.
1094         Call write_writer.
1095         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1096         files on the command line.
1097         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1098         Return -1 if there is no entry in the table, don't abort.
1099         (add_c_test, traverse_c_tests): New functions.
1100         * gensupport.h (insn_elision_unavailable, insn_conditions)
1101         (n_insn_conditions): Delete declarations.
1102         (add_c_test, traverse_c_tests): Declare.
1103         * read-rtl.c: Include gensupport.h.
1104         (read_conditions): New function.
1105         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1106         (read_rtx_1): If we get EOF when we were looking for an initial
1107         open paren, return 0.  Call read_conditions when appropriate.
1108         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1109         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1110         or change them to build/gencondmd.o, as appropriate.  Remove
1111         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1112         from $(simple_generated_c).  For all files remaining in those
1113         two lists, add insn-conditions.md to the generator command line.
1114         Give insn-constants.h/s-constants their own rules.  Add rules
1115         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1116         (build/read-rtl.o): Depend on gensupport.h.
1117         (genprognormal): Include preds.
1118         (genprogearly): Rename genprognoprint; only difference is now that
1119         they don't link with $(BUILD_PRINT).
1120         * dummy-conditions.c: Delete.
1121
1122 2006-01-22  Zack Weinberg  <zackw@panix.com>
1123
1124         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1125         Declare vectors of int, char, and locstr.
1126         (locstr): New typedef.
1127         (struct extraction): Make all array fields into bare pointers.
1128         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1129         (insn_code_number): Delete.
1130         (accum_extract): New struct.
1131         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1132         (gen_insn): Take insn_code_number as an argument.  Use an
1133         accum_extract structure instead of loading data directly into
1134         a struct extraction, and having to know how big it might get.
1135         (walk_rtx): Operate entirely on an accum_extract structure.
1136         (print_path): Avoid unnecessary use of printf.
1137         (print_header): New function, split out of main.  Distinguish
1138         more carefully between an unrecognizable insn and an insn that
1139         has the code number of a define_expand.
1140         (main): Pass insn_code_number to gen_insn.  Call print_header
1141         only after parsing.  Avoid unnecessary use of printf.
1142         * Makefile.in (build/vec.o): New rule.
1143         (build/genextract): Depend on build/vec.o.
1144         (build/genextract.o): Don't depend on insn-config.h.
1145
1146 2006-01-22  Zack Weinberg  <zackw@panix.com>
1147
1148         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1149         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1150         practical.  Eliminate per-generator-program link rules.
1151
1152 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1153
1154         PR middle-end/24437
1155         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1156         with a call expr to ...
1157         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1158
1159 2006-01-23  Richard Guenther  <rguenther@suse.de>
1160
1161         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1162         before make_edge with conditional EDGE_TRUE_VALUE.
1163
1164 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1165         Jan Hubicka  <jh@suse.cz>
1166         Richard Guenther  <rguenther@suse.de>
1167
1168         PR rtl-optimization/25654
1169         * cfgexpand.c (aggregate_contains_union_type): New function.
1170         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1171         for structure variables that contain a union type.
1172
1173 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1174
1175         * gengtype.c (new_structure): Return the structure.
1176         (create_option): Add an extra "next" argument.
1177         (create_field): New function.
1178         (adjust_field_rtx_def): Use create_option and create_field.
1179         Remove a now-unnecessary call to find_structure.
1180         (adjust_field_tree_def): Likewise.
1181         (note_yacc_type): Remove an unnecessary call to find_structure.
1182         * gengtype.h (new_structure): Return the structure.
1183         (create_option): Add an extra argument.
1184         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1185         (option): Adjust calls to create_option.
1186
1187 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1188
1189         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1190
1191 2006-01-22  Paul Brook  <paul@codesourcery.com>
1192         Peter Barada  <peter@the-baradas.com>
1193
1194         * config/m68k/m68k.md: Add Coldfire FPU support.
1195         Define FP mode macro and associated attributes.
1196         Use it for float mode patterns.
1197         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1198         (LIBCALL_VALUE): Use m68k_libcall_value.
1199         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1200         (m68k_function_value): Ditto.
1201         (emit_move_sequence): Ditto.
1202         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1203         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1204         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1205         (MULTILIB_EXCEPTIONS): Ditto.
1206         * config/m68k/m68k.opt: Add mcfv4e.
1207         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1208         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1209         (m68k_output_function_prologue): Save ColdFire FPU registers.
1210         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1211         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1212         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1213         ColdFire FPU registers.
1214         (m68k_libcall_value, m68k_function_value): New functions.
1215         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1216         (LIBCALL_VALUE): Use m68k_libcall_value.
1217         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1218         (MASK_COLDFIRE): Add MASK_CFV4E.
1219         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1220         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1221         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1222         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1223         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1224         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1225         * doc/invoke.tex: Document -mcfv4e on m68k.
1226
1227 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1228
1229         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1230         URL.
1231
1232 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1233
1234         PR c++/16190
1235         * c-opts.c (c_common_handle_option): Don't include
1236         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1237         * doc/invoke.texi (C++ Dialect Options): Document that
1238         -Wnon-virtual-dtor is no longer included in -Wall.
1239
1240 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1241
1242         * gcov.c (print_version), gcov-dump.c (print_version),
1243         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1244         dates.
1245
1246 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1247
1248         * df-scan.c (problem_SCAN): Added NULL reset function.
1249         (df_scan_reset_blocks): Added code to call reset block function
1250         (df_bb_refs_delete) Fixed comment.
1251         (df_insn_refs_delete): Made tolerant of deleting non existent info
1252         for dataflow problems that need to be reset.
1253         * df-core.c (df_set_blocks): Ditto.
1254         * df.h (struct df_problem): Added reset_fun.
1255         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1256         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1257         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1258         functions to clear out all references to def-use or use-def chains.
1259
1260 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1261
1262         * varasm.c (assemble_real): Initialise data array.
1263
1264 2006-01-20  Paul Brook  <paul@codesourcery.com>
1265
1266         Merge from csl-arm-branch.
1267         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1268         * config/arm/arm.md (movdi): Force operands[1] to a register
1269         if we have a non-register source.
1270         (*arm_movdi, *movdf_soft_insn): Require that one of the
1271         operands be a register.
1272         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1273         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1274
1275 2006-01-20  DJ Delorie  <dj@redhat.com>
1276
1277         * varasm.c (initialize_constant_valid_p): Allow pointers
1278         initialized from integer constants of lesser precision.
1279         (output_constant): Allow non-int-sized pointer modes to be
1280         initialized from integer constants.
1281
1282 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1283
1284         PR libstdc++/25524
1285         * cppdefault.h (struct default_include): Add multilib flag.
1286         * cppdefault.c (cpp_include_defaults): Set it.
1287         * c.opt (-imultilib): New option.
1288         * c-opts.c (imultilib): New.
1289         (c_common_handle_option): Handle -imultilib.
1290         (c_common_post_options): Likewise.
1291         * c-incpath.c (add_standard_paths, register_include_chains):
1292         Likewise.
1293         * c-incpath.h (register_include_chains): Add extra parameter.
1294         * gcc.c (do_spec_1): Generate -imultilib option.
1295         (The Specs Language): Update %I description.
1296         (process_command): Update copyright notice.
1297         * doc/cppopts.texi (-imultilib): Document.
1298         * doc/invoke.texi (-imultilib): Include in option summary.
1299         (%I): Update specs documentation.
1300
1301 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1302
1303         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1304
1305 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1306
1307         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1308         label numbers.
1309
1310 2006-01-20  Richard Guenther  <rguenther@suse.de>
1311         Steven Bosscher <stevenb.gcc@gmail.com>
1312
1313         PR rtl-optimization/24626
1314         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1315         EDGE_TRUE_VALUE if in RTL mode.
1316
1317         Revert
1318         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1319         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1320
1321 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1322
1323         PR c++/5520
1324         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1325         instead of a special NOP marker.
1326         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1327         NOP marker handling.
1328         * c-common.h (empty_body_warning): Add forward declaration.
1329         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1330         Now uses IS_EMPTY_STMT() instead of special NOP markers.
1331
1332 2006-01-20  Paul Brook  <paul@codesourcery.com>
1333
1334         * Makefile.in (lang_checks): Keep going if mkdir fails.
1335
1336 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1337
1338         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1339         be able to clean out basic block when not necessary.
1340         (df_scan_free): Fixed to properly delete information if df is
1341         unused before calling df_finish.
1342         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1343         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1344         or comment typos.
1345         (df_bb_refs_delete): New function.
1346         (df_refs_delete): Moved per block code to df_bb_refs_delete.
1347         * df-core.c (df_set_blocks): Added code to properly clean out
1348         unused blocks if they are not part of the blocks to consider.
1349         Added additional null check.
1350         (df_compact_blocks): Added basic block parameter to free_bb_fun to
1351         be able to clean out basic block when not necessary
1352         * df.h (df_free_bb_function): Ditto.
1353         (df_bb_refs_delete): New function.
1354         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1355         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1356         basic block parameter to be able to clean out basic block when not
1357         necessary.
1358         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1359         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1360         Fixed to properly delete information if df is unused before
1361         calling df_finish.
1362
1363 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1364
1365         PR rtl-optimization/25799
1366         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1367         Corrected confluence operator to remove bits from op2 before oring
1368         with op1 rather than removing bits from op1.
1369         (df_ru_transfer_function): Corrected test on wrong bitmap which
1370         caused infinite loop.  Both of these problems were introduced in
1371         the dataflow rewrite.
1372
1373 2006-01-19  DJ Delorie  <dj@redhat.com>
1374
1375         * reload1.c (find_reload_regs): Note the details of reload
1376         failures in the dump file.
1377         (spill_failure): Likewise.
1378
1379 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1380
1381         * loop-iv.c: Include df.h and hashtab.h.
1382         (enum iv_grd_result): New enum.
1383         (DF_REF_IV, DF_REF_IV_SET): New macros.
1384         (struct biv_entry): New.
1385         (df, bivs): New global variables.
1386         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1387         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1388         Removed.
1389         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1390         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1391         analyzed_for_bivness_p, record_biv): New functions.
1392         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1393         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1394         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1395         UD chains.
1396         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1397         analysed.
1398         (iv_number_of_iterations): Use new interface to iv analysis.
1399         * loop-unroll.c: Do not include varray.h.
1400         (analyze_iv_to_split_insn): Use new interface to iv
1401         analysis.
1402         * loop-unswitch.c (may_unswitch_on): Ditto.
1403         * df.c (df_bitmaps_free): Only work for bbs for that structures are
1404         allocated.
1405         (df_bb_modify): Realloc tables to the new index.
1406         (df_find_use): New function.
1407         * df.h (df_find_use): Declare.
1408         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1409         outmode.
1410         * cfgloop.h (struct rtx_iv): Remove analysed field.
1411         (iv_get_reaching_def): Removed.
1412         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1413         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1414         (loop-iv.o): Add df.h and hashtab.h dependency.
1415         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1416
1417 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
1418
1419         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1420         Double TFmode.
1421         (__floatundisf, __floatundidf): Likewise.
1422         * libgcc2.h (IS_IBM_EXTENDED): Define.
1423
1424 2006-01-19  DJ Delorie  <dj@redhat.com>
1425
1426         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1427
1428 2006-01-19  Paul Brook  <paul@codesourcery.com>
1429
1430         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1431         as nothrow when unwinding tables are disabled.
1432
1433 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1434
1435         PR testsuite/25171
1436         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1437         of bit-field" when in system header.
1438
1439 2006-01-19  DJ Delorie  <dj@redhat.com>
1440
1441         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1442         the 16 bit shift limit of the m16c.
1443
1444 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
1445
1446         PR target/22099
1447         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1448         * config/i386/i386.c (output_set_got): Output the label if we have one
1449         for the TARGET_DEEP_BRANCH_PREDICTION case.
1450
1451 2006-01-19  Jan Hubicka  <jh@suse.cz>
1452             H.J. Lu  <hongjiu.lu@intel.com>
1453             Evandro Menezes <evandro.menezes@amd.com>
1454
1455         * invoke.texi (generic): Document
1456         (i686) Update.
1457         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1458         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1459         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1460         (x86_use_incdec, x86_pad_returns): New variables
1461         (TARGET_CPU_DEFAULT_generic): New constant
1462         (TARGET_CPU_DEFAULT_NAMES): Add generic.
1463         (enum processor_type): Add generic32 and generic64.
1464         * i386.md (cpu attribute): Add generic32/generic64
1465         (movhi splitter): Behave sanely when both partial_reg_dependency and
1466         partial_reg_stall are set.
1467         (K8 splitters): Enable for generic as well.
1468         * predicates.md (incdec_operand): Use TARGET_INCDEC
1469         (aligned_operand): Avoid memory mismatch stalls.
1470         * athlon.md: Enable for generic64, new patterns for 128bit moves.
1471         * ppro.md: Enable for generic32
1472         * i386.c (generic64_cost, generic32_cost): New.
1473         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1474         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
1475         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
1476         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1477         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1478         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1479         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1480         x86_accumulate_outgoing_args, x86_prologue_using_move,
1481         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1482         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1483         Enable for generic.
1484         (x86_use_incdec, x86_pad_returns): New.
1485         (override_options): Add generic32 and generic64, translate "generic"
1486         to generic32/generic64 and "i686" to "generic32", refuse
1487         "generic32"/"generic64" as arch target.
1488         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1489         (ix86_reorg): Honor PAD_RETURNS.
1490
1491 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
1492
1493         * tree-pretty-print.c (dump_generic_node): Handle
1494         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1495         * cgraph.c (cgraph_expand_queue): Rename from
1496         cgraph_analyze_queue.  Update all users.
1497         * cgraphunit.c (cgraph_assemble_pending_functions): Process
1498         cgraph_expand_queue.
1499         (cgraph_expand_all_functions): Likewise.
1500         (cgraph_finalize_pending_functions): Remove.  Update callers.
1501
1502         * tree.h (OMP_DIRECTIVE_P): Define.
1503         (OMP_PARALLEL_FN): Define.
1504         (OMP_PARALLEL_DATA_ARG): Define.
1505         (OMP_SECTIONS_SECTIONS): Define.
1506         * tree-pass.h (pass_expand_omp): Declare.
1507         * omp-low.c (struct omp_region): Declare.
1508         (struct omp_context): Remove fields 'parallel_type',
1509         'parallel_start_ix' and 'parallel_start_additional_args'.
1510         Update all users.
1511         (struct omp_for_data): Rename from struct expand_omp_for_data.
1512         (omp_regions): New static variable.
1513         (root_omp_region): New static variable.
1514         (find_omp_clause): Make static.
1515         (is_in_combined_parallel_ctx): Remove.
1516         (is_combined_parallel): New.
1517         (extract_omp_for_data): Move earlier in the file.
1518         (workshare_safe_to_combine_p): New.
1519         (get_ws_args_for): New.
1520         (determine_parallel_type): Move earlier in the file.
1521         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1522         child function.
1523         (omp_copy_decl): Likewise.
1524         (create_omp_child_function): Likewise.
1525         (lookup_omp_region): New.
1526         (dump_omp_region): New.
1527         (debug_omp_region): New.
1528         (debug_all_omp_regions): New.
1529         (new_omp_region): New.
1530         (scan_omp_parallel): If parallel_nesting_level > 1, the
1531         directive is nested within another parallel directive.
1532         Set OMP_PARALLEL_FN.
1533         (scan_omp_for): Do not try to handle combined parallel+for
1534         cases.
1535         Remove FIXME comment.
1536         (scan_omp_nested): Remove.
1537         (scan_omp_1): Do not call scan_omp_nested when
1538         parallel_nesting_level is > 1.
1539         Do not change the DECL_CONTEXT of local variables found.
1540         (lookup_decl_in_outer_ctx): New.
1541         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1542         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1543         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1544         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1545         If CTX is nested, lookup VAR in the outer context when
1546         building copy assignment.
1547         (lower_send_clauses): Rename from expand_send_clauses.
1548         If CTX is nested, lookup VAR in the outer context when
1549         building copy assignments.
1550         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1551         If CTX is nested, lookup VAR in the outer context when
1552         building copy assignments.
1553         (expand_parallel_call): Rename from build_parallel_call.
1554         Handle combined parallel+workshare cases.
1555         Re-implement to emit code into the CFG.
1556         (list2chain): New.
1557         (expand_omp_parallel): Re-implement to emit code into the CFG.
1558         Call move_sese_region_to_fn to outline the sub-graph
1559         containing the parallel region.
1560         (expand_omp_for_1): Remove.
1561         (expand_omp_for_generic): Re-implement to emit code into the
1562         CFG.
1563         (expand_omp_for_static_nochunk): Likewise.
1564         (expand_omp_for_static_chunk): Likewise.
1565         (expand_omp_for): Likewise.
1566         (expand_omp_sections): Likewise.
1567         (remove_exit_barriers): New.
1568         (expand_omp_synch): New.
1569         (expand_omp): New.
1570         (build_omp_regions_1): New.
1571         (build_omp_regions): New.
1572         (execute_expand_omp): New.
1573         (gate_expand_omp): New.
1574         (pass_expand_omp): Define.
1575         (lower_omp_sections): Rename from expand_omp_sections.
1576         Set OMP_SECTIONS_SECTIONS.
1577         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1578         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1579         (lower_omp_single): Rename from expand_omp_simple.
1580         (lower_omp_master): Rename from expand_omp_master.
1581         (lower_omp_ordered): Rename from expand_omp_ordered.
1582         (lower_omp_critical): Rename from expand_omp_critical.
1583         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1584         (lower_omp_for): Re-implement.
1585         (lower_omp_parallel): Re-implement.
1586         (lower_regimplify): Rename from expand_regimplify.
1587         (lower_omp_1): Rename from expand_omp_1.
1588         If there are syntax errors in the program, replace every
1589         OpenMP directive with NOP.
1590         Call lower_omp_* instead of expand_omp_*.
1591         (lower_omp): Rename from expand_omp.
1592
1593         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1594         * tree-gimple.h (enum omp_parallel_type): Remove.
1595         (gimple_boolify): Declare extern.
1596         (find_omp_clause, determine_parallel_type): Remove.
1597
1598         * gimple-low.c (lower_omp_directive): New.
1599         (lower_stmt): Call it.
1600         (record_vars_into): Move from ...
1601         (record_vars): ... here.
1602         Call record_vars_into with current_function_decl.
1603
1604         * gimplify.c (struct gimplify_ctx): Remove fields
1605         combined_pre_p and combined_ctxp.  Update users.
1606         (get_formal_tmp_var): Add documentation.
1607         (gimple_boolify): Make extern.
1608         (gimplify_expr_in_ctx): Remove.  Update callers.
1609         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1610         will always be a BIND_EXPR.
1611         (gimplify_expr): Handle OMP_RETURN_EXPR.
1612         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1613         (OMP_PARALLEL): Add 3 operands.
1614         (OMP_SECTIONS): Add 1 operand.
1615         (OMP_RETURN_EXPR): Define.
1616
1617         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1618         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1619         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1620         creating a circular free list.
1621         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1622
1623         * tree-flow.h (move_sese_region_to_fn): Declare.
1624         (record_vars_into): Declare.
1625         * tree-cfg.c (make_omp_sections_edges): New.
1626         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1627         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1628         OMP_SECTIONS and OMP_SECTION.
1629         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1630         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1631         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1632         (gather_blocks_in_sese_region): New.
1633         (struct move_stmt_d): Declare.
1634         (move_stmt_r): New.
1635         (move_block_to_fn): New.
1636         (move_sese_region_to_fn): New.
1637
1638         * passes.c (init_optimization_passes): Schedule
1639         pass_expand_omp after pass_init_datastructures.
1640
1641         * tree-ssa-operands.c (get_expr_operands): Handle
1642         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1643         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1644
1645 2006-01-19  Jeff Law  <law@redhat.com>
1646
1647         * tree-vrp.c (extract_range_from_assert): Refine the result range
1648         if the variable referenced by the ASSERT_EXPR has a range and
1649         either the tentative result range or the previous range is a
1650         VR_ANTI_RANGE.
1651
1652 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1653
1654         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1655
1656 2006-01-19  Jan Hubicka  <jh@suse.cz>
1657
1658         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1659
1660 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1661
1662         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1663         (expand_compound_operation, expand_field_assignment): Fail if the
1664         bit lengths of an extract operation are out of range.
1665         (make_extraction): Compute wanted_inner_mode based on the position
1666         and length of the extraction.  Make it extraction_mode for non-constant
1667         positions, and do not modify offset in that case.  When generating a
1668         new MEM, use a mode that can hold the extraction while keeping correct
1669         alignment.  Remove code that supported MEMs wrapped by USEs.
1670         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1671
1672 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1673
1674         * config/s390/s390.md ("Y", "y"): New mode attribute.
1675         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1676         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1677         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1678         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1679         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1680         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1681         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1682         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1683         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1684         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1685         "addsi3", "subsi3"): Insn patterns removed.
1686         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1687         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1688         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1689         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1690         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1691         "*sub<mode>3_cconly2"): New insn patterns.
1692         ("addsi3", "subsi3"): New expanders.
1693
1694 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1695
1696         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1697         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1698         existing STMT_VINFO_VECTYPE if available.
1699         (vect_mark_relevant): Add special handling for stmts that are
1700         marked as STMT_VINFO_IN_PATTERN_P.
1701         (vect_analyze_loop): Call vect_pattern_recog.
1702         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1703         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1704         stmt_info.
1705         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1706         (vect_recog_func_ptr): New function-pointer type.
1707         * tree-vect-patterns.c: New file.
1708         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1709         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1710         (vect_pattern_recog_1): New functions.
1711         (vect_pattern_recog_funcs): New array of function pointers.
1712
1713         * tree-vectorizer.h (ternary_op): New enum value.
1714         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1715         declaration. Revised documentation. Removed redundant dump prints.
1716         Removed redundant argument. Added support for reduction patterns.
1717         (vectorizable_reduction): Added support for reduction patterns.
1718         (vect_transform_stmt): Added support for patterns.
1719
1720         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1721         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1722         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1723         (expand_widen_pattern_expr): New function.
1724         (init_optabs): Initialize new optabs udot_prod_optab,
1725         sdot_prod_optab.
1726         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1727         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1728         (expand_widen_pattern_expr): New function declaration.
1729         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1730         tree-codes.
1731         * tree-inline.c (estimate_num_insns_1): Added cases for new
1732         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1733         * tree-pretty-print.c (dump_generic_node): Likewise.
1734         (op_prio): Likewise.
1735         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1736         * tree-ssa-operands.c (get_expr_operands): Added case for
1737         DOT_PROD_EXPR.
1738         * tree-vect-patterns.c (widened_name_p): New function.
1739         (vect_recog_dot_prod_pattern): Added function implementation.
1740         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1741         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1742         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1743         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1744
1745         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1746         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1747         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1748         (init_optabs): Initialize new optabs widen_ssum_optab,
1749         widen_usum_optab.
1750         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1751         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1752         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1753         use instead of type of def.
1754         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1755         function implementation.
1756         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1757         widen_ssumv8hi): New.
1758
1759         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1760         patterns.
1761
1762 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1763
1764         PR c/25805
1765         * c-decl.c (add_flexible_array_elts_to_size): New function.
1766         (finish_decl): Use it.
1767
1768 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1769
1770         * diagnostic.h: Include options.h.
1771         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1772         dependancies for diagnostic.h.
1773         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1774
1775 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1776
1777         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1778         (ssa_ro_call_cache_valid): Ditto.
1779         * tree-ssa-alias.c (sort_tags_by_id): New function.
1780         (init_transitive_clobber_worklist): Ditto.
1781         (add_to_worklist): Ditto.
1782         (mark_aliases_call_clobbered): Ditto.
1783         (compute_tag_properties): Ditto.
1784         (set_initial_properties): Ditto.
1785         (compute_call_clobbered): Ditto.
1786         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1787         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1788         (compute_flow_insensitive_aliasing): Grouping now happens in our
1789         caller.
1790         (setup_pointers_and_addressables): Remove clobbering related code.
1791         (add_may_alias): Ditto.
1792         (replace_may_alias): Ditto.
1793         (get_nmt_for): Ditto.
1794         (create_global_var):
1795         (is_escape_site): Return an escape_type enumeration.
1796         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1797         imply call clobbered.
1798         (mark_call_clobbered): Take a reason for marking this. Remove
1799         marking of globalness, and cache invalidation.
1800         (clear_call_clobbered): Remove cache invalidation code.
1801         * tree-dfa.c (dump_variable): If details is on, dump the reason
1802         for escaping.
1803         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1804         variable.
1805         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1806         (struct var_ann_d): Ditto.
1807         (enum escape_type): New.
1808         (mark_call_clobbered): Adjust prototype.
1809         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1810         are never call clobbered.
1811         Record reasons for escaping.
1812         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1813         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1814         (ssa_ro_call_cache_valid): Ditto.
1815         (clobbered_v_may_defs): Ditto.
1816         (clobbered_vuses): Ditto.
1817         (ro_call_vuses): Ditto.
1818         (clobber_stats): New.
1819         (init_ssa_operands): Zero out clobber stats.
1820         (fini_ssa_operands): Print out clobber stats.
1821         (get_call_expr_operands): Pass callee fndecl to
1822         add_call_read_ops).
1823         (add_call_clobber_ops): Remove use of cache.
1824         Add use of PURE_CONST information.
1825         (add_call_read_ops): Remove use of cache.
1826         Add use of static not_read information.
1827
1828 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1829
1830         Introduce TLS descriptors for i386 and x86_64.
1831         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1832         (TARGET_ANY_GNU_TLS): New macro.
1833         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1834         (struct machine_function): Add tls_descriptor_call_expanded_p.
1835         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1836         (ix86_current_function_calls_tls_descriptor): Likewise.
1837         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1838         (override_options): Introduce gnu2 tls dialect.
1839         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1840         not leaves.
1841         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1842         Likewise.
1843         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1844         (ix86_init_machine_status): Initialize new field.
1845         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1846         (ix86_tls_module_base): New.
1847         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1848         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1849         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1850         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1851         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1852         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1853         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1854         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1855         * config/i386/predicates.md (tls_modbase_operand): New.
1856         (tp_or_register_operand): New.
1857
1858 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1859
1860         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1861         (look_for_address_of): Ditto.
1862         (ipa_init): Walk the function decls.
1863         (static_execute): Don't set readonly on FUNCTION_DECL's.
1864
1865 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1866
1867         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1868         for shifts where the source and destination registers are different.
1869
1870 2006-01-18  Paul Brook  <paul@codesourcery.com>
1871
1872         Merge from csl-arm-branch.
1873         2005-03-14  Julian Brown  <julian@codesourcery.com>
1874         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1875         (aeabi_llsl): Likewise.
1876         (ashrdi3): Likewise.
1877         (aeabi_lasr): Likewise.
1878         (lshrdi3): Likewise.
1879         (aeabi_llsr): Likewise.
1880         2005-03-10  Julian Brown  <julian@codesourcery.com>
1881         * config.gcc: Disable shared libgcc for SymbianOS.
1882         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1883
1884 2006-01-18  DJ Delorie  <dj@redhat.com>
1885
1886         * c-pragma.c (handle_pragma_diagnostic): New.
1887         (init_pragma): Register it.
1888         * doc/extend.texi: Document it.
1889
1890         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1891         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1892         (diagnostic_context): Add classify_diagnostic[].
1893         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1894         as errors if they're overridden to DK_WARNING.
1895         (diagnostic_initialize): Initialize classify_diagnostic[].
1896         (diagnostic_set_kind_override): New.
1897         (diagnostic_report_diagnostic): Check for kind changes.
1898         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1899         Handle OPT_Werror_.
1900         * common.opt (Werror=): New.
1901         * doc/invoke.texi: Document -Werror=*
1902
1903 2006-01-18  Jeff Law  <law@redhat.com>
1904
1905         * tree-vrp.c (test_for_singularity): Correct test for new
1906         min limit.  Use operand_equal_p rather than pointer equality
1907         for testing if new min/max values are equal.
1908
1909         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1910         using range information until after propagation and folding.
1911
1912 2006-01-18  Richard Henderson  <rth@redhat.com>
1913             Aldy Hernandez  <aldyh@redhat.com>
1914             Jakub Jelinek  <jakub@redhat.com>
1915             Diego Novillo  <dnovillo@redhat.com>
1916
1917         * omp-low.c: New file.
1918         * c-omp.c: New file.
1919
1920 2006-01-18  Richard Henderson  <rth@redhat.com>
1921             Jakub Jelinek  <jakub@redhat.com>
1922             Diego Novillo  <dnovillo@redhat.com>
1923
1924         * doc/invoke.texi: Document -fopenmp.
1925         * tree-dump.h (debug_function): Declare.
1926         * hooks.c (hook_bool_tree_bool_false): New function.
1927         (hook_tree_tree_null): Remove.
1928         (hook_tree_tree_tree_null): New.
1929         * hooks.h: Update to match.
1930         * tree-pretty-print.c (debug_tree_chain): New.
1931         (print_generic_expr): Handle TDF_CHAIN.
1932         (dump_generic_node): Handle BLOCK.
1933         Do not abort with incomplete SWITCH_EXPRs.
1934         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1935         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1936         print space after directive name.
1937         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1938         Handle OMP_MASTER and OMP_ORDERED.
1939         Handle printing of OMP_BODY just in one place, goto
1940         dump_omp_body in the rest of OMP_* nodes that have
1941         OMP_BODY.
1942         Don't handle clause nodes here.  Update omp statements to
1943         use dump_omp_clauses.
1944         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1945         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1946         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1947         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1948         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1949         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1950         Adjust output for GOMP_PARALLEL.
1951         (dump_omp_clauses): New.
1952         (print_declaration): Dump DECL_VALUE_EXPR.
1953         (op_symbol_1): Split out of op_symbol.
1954         (dumping_stmts): Remove.  Update all users.
1955         * cgraph.c (cgraph_analyze_queue): New.
1956         (cgraph_add_new_function): New.
1957         * cgraph.h (cgraph_analyze_queue): Declare.
1958         (cgraph_add_new_function): Declare.
1959         (cgraph_lower_function): Remove.
1960         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1961         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1962         and TYPE_P nodes in its default clause.
1963         (empty_body_p): New.
1964         (tree_range_check_failed): New.
1965         (build5_stat): New.
1966         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1967         OMP_CLAUSE_REDUCTION_MERGE,
1968         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1969         OMP_CLAUSE_PRIVATE_DEBUG,
1970         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1971         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1972         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1973         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1974         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1975         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1976         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1977         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1978         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1979         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1980         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1981         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1982         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1983         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1984         (TREE_RANGE_CHECK): New.
1985         (empty_body_p): Declare.
1986         (enum omp_clause_default_kind): New.
1987         (build_string_literal): Declare.
1988         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1989         (build5_stat, build5): Declare.
1990         * tree-pass.h (TDF_CHAIN): Define.
1991         * tree-pass.h (PROP_gimple_lomp): Define.
1992         (pass_lower_omp): Declare.
1993         * diagnostic.h (debug_tree_chain): Declare.
1994         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1995         mode_for_size.
1996         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1997         * builtins.c (build_string_literal): Make extern.
1998         * gcc.c (include_spec_function): New.
1999         (static_spec_functions): Add it.
2000         (main): Move load of libgomp.spec ...
2001         (LINK_COMMAND_SPEC): ... here.
2002         (link_gomp_spec): New.
2003         (static_specs): Include it.
2004         (LINK_COMMAND_SPEC): Add link_gomp.
2005         (GOMP_SELF_SPECS): New.
2006         (driver_self_specs): Include it.
2007         (switch_matches): Don't mark inline.
2008         (main): Load libgomp.spec.
2009         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2010         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2011         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2012         * tree-gimple.h (enum omp_parallel): Declare.
2013         (determine_parallel_type): Declare.
2014         (omp_firstprivatize_variable): Declare.
2015         (omp_reduction_init): Declare.
2016         (diagnose_omp_structured_block_errors): Declare.
2017         (struct walk_stmt_info): Add want_return_expr.
2018         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2019         (find_omp_clause): Declare.
2020         (insert_field_into_struct): Declare.
2021         (struct walk_stmt_info): Move from tree-nested.c
2022         (walk_stmts): Declare.
2023         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2024         to 200505.
2025         * cgraphunit.c (cgraph_lower_function): Make static.
2026         (cgraph_finalize_pending_functions): New.
2027         (cgraph_finalize_function): Call it.
2028         (cgraph_finalize_compilation_unit): Likewise.
2029         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2030         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2031         (BT_FN_UINT_UINT): New.
2032         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2033         DEF_FUNCTION_TYPE_VAR_4): Document.
2034         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2035         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2036         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2037         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2038         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2039         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2040         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2041         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2042         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2043         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2044         into separate files.
2045         (DEF_GOMP_BUILTIN): New.
2046         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2047         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2048         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2049         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2050         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2051         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2052         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2053         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2054         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2055         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2056         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2057         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2058         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2059         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2060         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2061         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2062         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2063         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2064         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2065         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2066         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2067         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2068         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2069         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2070         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2071         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2072         * sync-builtins.def: New file, moved from builtins.def.
2073         * omp-builtins.def: New file, moved from builtins.def.
2074         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2075         * gimple-low.c (lower_function_body): Clear data.
2076         (lower_stmt): Do not handle COMPOUND_EXPR.
2077         Remove call to print_node_brief.
2078         * c-tree.h (c_finish_omp_clauses): New prototype.
2079         (C_DECL_THREADPRIVATE_P): Define.
2080         (lookup_name_no_remap, c_omp_remap_private): Remove
2081         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2082         (check_for_loop_decls): Update decl.
2083         (lookup_name_no_remap, c_omp_remap_private): Declare.
2084         (build_indirect_ref, build_modify_expr, pushdecl,
2085         pushdecl_top_level): Move to c-common.h.
2086         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2087         before the switch, but just in the 2 places that need it.
2088         * c-decl.c (diagnose_mismatched_decls): Do not check for
2089         mismatched thread-local attributes when OLDDECL is marked
2090         threadprivate and NEWDECL has no thread-local attributes.
2091         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2092         (c_gimple_diagnostics_recursively): Rename from
2093         c_warn_unused_result_recursively.  Invoke
2094         diagnose_omp_structured_block_errors.
2095         (check_for_loop_decls): Return a singular decl found.
2096         * langhooks.c (lhd_omp_predetermined_sharing): Return
2097         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2098         (lhd_omp_firstprivatize_type_sizes): New.
2099         (lhd_omp_assignment): New.
2100         (lhd_omp_predetermined_sharing): New.
2101         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2102         (struct lang_hooks_for_types): Add
2103         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2104         omp_predetermined_sharing, omp_disregard_value_expr,
2105         omp_private_debug_clause, omp_clause_default_ctor,
2106         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2107         (c_finish_omp_clauses): New.
2108         (c_finish_bc_stmt): Diagnose break within omp for.
2109         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2110         (build_unary_op): Return error_mark after reporting
2111         a readonly_error.
2112         (build_modify_expr): Likewise.
2113         * gimplify.c: Include optabs.h and pointer-set.h.
2114         (enum gimplify_omp_var_data): Declare.
2115         (struct gimplify_omp_ctx): Declare.
2116         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2117         and combined_ctxp.
2118         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2119         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2120         (splay_tree_compare_decl_uid): New.
2121         (new_omp_context): New.
2122         (delete_omp_context): New.
2123         (gimple_add_tmp_var): Call omp_add_variable.
2124         (gimplify_bind_expr): Likewise.
2125         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2126         true, disregard DECL_VALUE_EXPR on the decl if any.
2127         (gimplify_expr_in_ctx): New.
2128         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2129         omp_add_variable, omp_notice_variable, omp_is_private
2130         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2131         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2132         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2133         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2134         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2135         gimplify_omp_atomic): New.
2136         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2137         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2138         OMP_CRITICAL and OMP_ATOMIC.
2139         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2140         * c-pragma.h (enum pragma_kind): Add
2141         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2142         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2143         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2144         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2145         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2146         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2147         PRAGMA_OMP_THREADPRIVATE.
2148         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2149         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2150         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2151         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2152         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2153         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2154         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2155         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2156         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2157         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2158         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2159         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2160         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2161         OpenMP directives.
2162         (struct nesting_info): Add field_map,
2163         suppress_expansion, debug_var_chain.
2164         (create_nesting_tree): Initialize them.
2165         (lookup_field_for_decl): Use field_map.
2166         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2167         (convert_local_omp_clauses): New.
2168         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2169         (walk_body): Split out of walk_function.
2170         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2171         (convert_nonlocal_reference): Handle omp statements.
2172         (convert_local_reference): Likewise.
2173         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2174         (unnest_nesting_tree): New.
2175         (lower_nested_functions): Call it.
2176         (insert_field_into_struct): Make extern.
2177         (struct walk_stmt_info): Move to tree-gimple.h.
2178         (walk_stmts): Make extern.
2179         * omp-builtins.def: New file.
2180         * tree-iterator.c (expr_only): Clarify comment.
2181         * c-common.h (pushdecl_top_level, pushdecl,
2182         build_modify_expr, build_indirect_ref,
2183         c_finish_omp_master, c_finish_omp_critical,
2184         c_finish_omp_ordered, c_finish_omp_barrier,
2185         c_finish_omp_atomic, c_finish_omp_flush,
2186         c_finish_omp_for, c_split_parallel_clauses,
2187         omp_clause_default_kind, c_omp_sharing_predetermined,
2188         c_omp_remap_decl): Declare.
2189         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2190         (OBJS-common): Add omp-low.o.
2191         (c-omp.o, omp-low.o): Add.
2192         (gimplify.o): Add dependency on $(OPTABS_H).
2193         (GTFILES): Add omp-low.c.
2194         (gt-stringpool.h): Add.
2195         * tree-cfg.c (set_bb_for_stmt): Do not update the
2196         block-to-labels map if we are currently expanding to RTL.
2197         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2198         checks.
2199         Handle IDENTIFIER_NODE.
2200         (tree_verify_flow_info): Do not ICE when emitting error
2201         messages about invalid labels.
2202         (dump_function_to_file): Reset CFUN before emitting the body
2203         of the function.
2204         (debug_function): New.
2205         * passes.c (init_optimization_passes): Schedule
2206         pass_lower_omp.
2207         * langhooks-def.h (lhd_omp_predetermined_sharing,
2208         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2209         Declare.
2210         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2211         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2212         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2213         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2214         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2215         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2216         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2217         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2218         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2219         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2220         (LANG_HOOK_DECLS): Use them.
2221
2222 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2223             Richard Henderson  <rth@redhat.com>
2224             Jakub Jelinek  <jakub@redhat.com>
2225             Diego Novillo  <dnovillo@redhat.com>
2226
2227         * c-parser.c (pragma_omp_clause): Define.
2228         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2229         (c_parser_compound_statement): Likewise.
2230         (c_parser_statement): Likewise.
2231         (c_parser_pragma): Handle omp pragmas.
2232         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2233         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2234         (c_parser_omp_clause_name, check_no_duplicate_clause,
2235         c_parser_omp_variable_list,
2236         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2237         c_parser_omp_clause_copyprivate,
2238         c_parser_omp_clause_default,
2239         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2240         c_parser_omp_clause_lastprivate,
2241         c_parser_omp_clause_nowait,
2242         c_parser_omp_clause_num_threads,
2243         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2244         c_parser_omp_clause_reduction,
2245         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2246         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2247         c_parser_omp_atomic, c_parser_omp_barrier,
2248         c_parser_omp_critical, c_parser_omp_flush,
2249         c_parser_omp_for_loop, c_parser_omp_for,
2250         c_parser_omp_master, c_parser_omp_ordered,
2251         c_parser_omp_sections_scope, c_parser_omp_sections,
2252         c_parser_omp_parallel, c_parser_omp_single,
2253         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2254         * c-pragma.c (init_pragma): Do omp pragma registration here.
2255         * c.opt (fopenmp): New flag.
2256
2257 2006-01-18  Eric Christopher  <echristo@apple.com>
2258
2259         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2260         * config/darwin.h (GOMP_SELF_SPECS): Define.
2261
2262 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2263
2264         * rtl.h: Remove the prototype for reg_alloc.
2265
2266 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2267
2268         PR target/25731
2269         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2270         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2271         sjlj and dwarf2 exception handling.
2272         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2273         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2274         * pa/pa.c (function_value): Treat complex and vector types as
2275         aggregates.
2276         (function_arg): Likewise.  Only pass scalar floats in the floating
2277         point argument registers.
2278         * pa/t-slibgcc-dwarf-ver: New file.
2279         * pa/t-slibgcc-sjlj-ver: New file.
2280         * pa/t-slibgcc-elf-ver: Delete file.
2281
2282 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2283
2284         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2285         unlikely_test_section_p test.
2286
2287 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2288
2289         * mode-switching.c (optimize_mode_switching): Make it static.
2290         * basic-block.h: Remove the prototype for
2291         optimize_mode_switching.
2292
2293         * modulo-sched.c (sms_schedule): Make it static.
2294         * rtl.h: Remove the prototype for sms_schedule.
2295
2296         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2297         * rtl.h: Remove the prototype for gcse_after_reload_main.
2298
2299         * reg-stack.c (reg_to_stack): Make it static.
2300         * rtl.h: Remove the prototype for reg_to_stack.
2301
2302         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2303         Make them static.
2304         * rtl.h: Remove the prototypes for regrename_optimize and
2305         copyprop_hardreg_forward.
2306
2307 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2308
2309         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2310         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2311         Test against the appropriate null constant for the mode.
2312         If 'fixup_overlap' is true, swap the operands if they overlap.
2313         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2314         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2315         alpha_split_tmode_pair and adjust for above change.
2316         * config/alpha/alpha.md (movtf_internal): Adjust call to
2317         alpha_split_tfmode_pair and rely on it to swap the operands.
2318         (movti_internal): New insn and post-reload splitter.
2319         (movti): New expander.
2320
2321 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2322
2323         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2324         operands.
2325
2326 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2327
2328         * rtlanal.c (global_reg_mentioned_p_1,
2329         global_reg_mentioned_p): Remove.
2330         * rtl.h: Remove the prototype for global_reg_mentioned_p.
2331
2332         * flow.c (initialize_uninitialized_subregs): Make it static.
2333         * rtl.h: Remove the prototype for
2334         initialize_uninitialized_subregs.
2335
2336         * function.c (instantiate_virtual_regs): Make it static.
2337         * function.h: Remove the prototype for
2338         instantiate_virtual_regs.
2339
2340         * regmove.c (regmove_optimize, combine_stack_adjustments):
2341         Make them static.
2342         * rtl.h: Remove the prototypes for regmove_optimize and
2343         combine_stack_adjustments.
2344
2345 2006-01-17  Roger Sayle  <roger@eyesopen.com>
2346
2347         * config/i386/i386.c (COSTS_N_BYTES): New macro.
2348         (size_cost): Encode costs in bytes so that a reg-reg addition is
2349         equivalent to COSTS_N_INSNS(1).
2350         (override_options): Use the size_cost.branch_cost as the default
2351         ix86_branch_cost when optimizing for size.
2352
2353 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2354
2355         * Makefile.in (D32PBIT_FUNCS): New.
2356         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2357         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2358         D64PBIT_FUNCS and D128PBIT_FUNCS.
2359         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2360         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2361         D128PBIT are set.
2362         (decnumber_dep): Define.
2363         * doc/libgcc.texi (Decimal float library routines): New node.
2364         * config/dfp-bit.h, config/dfp-bit.c: New files.
2365
2366 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2367
2368         * expr.c (emit_move_change_mode): Always adjust addresses, not
2369         just during reload.  Copy replacements only during reload.
2370         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2371         emit_move_via_integer.
2372
2373 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
2374
2375         * Makefile.in (check-%, check-consistency): Use $${srcdir}
2376         instead of $(srcdir) and ${srcdir}.
2377
2378 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
2379
2380         PR target/592
2381         PR middle-end/11135
2382         * arm.h (struct machine_function): Add pic_reg.
2383         * arm.c (arm_pic_register): Make unsigned.
2384         (arm_override_options): Only set arm_pic_register if
2385         TARGET_SINGLE_PIC_BASE.
2386         (use_return_insn): Only test for a pic register if it is fixed.
2387         (arm_compute_save_reg0_reg12_mask): Likewise.
2388         (thumb_compute_save_reg_mask): Likewise.
2389         (legitimate_pic_operand): Factor out some known invariants.
2390         (legitimize_pic_address): If we don't have a fixed pic register,
2391         then set up a pseudo in the function entry sequence.  Handle the
2392         pic base being in a pseudo.
2393         (arm_load_pic_register): Handle the pic register being in a pseudo.
2394         (arm_expand_prologue): Only set up the pic register if it is fixed.
2395         (thumb_expand_prologue): Likewise.
2396         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2397         (pic_load_addr_based_insn): Likewise.
2398         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2399         fixed.
2400
2401 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2402
2403         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2404         decimal float modes for all floating point registers.
2405
2406         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2407         match_code "mem" with match_test "macho_lo_sum_memory_operand".
2408
2409 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
2410
2411         PR c/25682
2412         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2413         even when the pointer is not NULL.
2414
2415 2006-01-16  Ian Lance Taylor  <ian@airs.com>
2416
2417         * common.opt (ftoplevel-reorder): New option.
2418         * cgraph.c (cgraph_asm_nodes): New global variable.
2419         (cgraph_asm_last_node): New static variable.
2420         (cgraph_order): New global variable.
2421         (cgraph_create_node): Set new order field.
2422         (cgraph_varpool_node): Likewise.
2423         (decide_is_variable_needed): Return true if not
2424         flag_toplevel_reorder.
2425         (cgraph_add_asm_node): New function.
2426         * cgraph.h (struct cgraph_node): Add order field.
2427         (struct cgraph_varpool_node): Add order field.
2428         (struct cgraph_asm_node): Define.
2429         (cgraph_asm_nodes, cgraph_order): Declare.
2430         (cgraph_add_asm_node): Declare.
2431         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2432         function.
2433         (cgraph_varpool_assemble_pending_decls): Call it.
2434         (cgraph_output_pending_asms): New static function.
2435         (cgraph_finalize_compilation_unit): Call it.
2436         (struct cgraph_order_sort): Define.
2437         (cgraph_output_in_order): New static function.
2438         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
2439         !flag_toplevel_reorder case.
2440         * c-parser.c: Include "cgraph.h".
2441         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2442         assemble_asm.
2443         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2444         than -fno-unit-at-a-time.
2445         * doc/invoke.texi (Option Summary): Mention
2446         -fno-toplevel-reorder.
2447         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
2448         -funit-at-a-time documentation.
2449
2450 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
2451             Kazu Hirata  <kazu@codesourcery.com>
2452
2453         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2454
2455 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
2456
2457         * Makefile.in (FUNCTION_H): New.  Use it instead of
2458         function.h throughout the file.
2459         * function.h: Include tree.h.
2460
2461 2006-01-17  Ben Elliston  <bje@au.ibm.com>
2462
2463         * recog.c: Separate some functions with whitespace.
2464
2465 2006-01-16  Richard Henderson  <rth@redhat.com>
2466
2467         Merge from gomp branch:
2468         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
2469         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2470         and rename from struct inline_data.  Rename callee* to dst*;
2471         caller* to src*; add copy_decl hook, transform_call_graph_edges,
2472         transform_new_cfg, transform_return_to_modify, and
2473         transform_lang_insert_block flags; remove cloning_p, versioning_p,
2474         update_clones_p.
2475         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2476         (copy_decl_for_dup): Remove.
2477         * tree-inline.c (struct inline_data): Move to header.
2478         (insert_decl_map): Export.
2479         (remap_decl): Update for member name changes.  Use copy_decl hook.
2480         Allow for replacement to be a non-decl.  Remove dead code.
2481         (remap_type_1): Check for existing mapping.
2482         (remap_type): Export.
2483         (remap_decls): Update for member name changes.
2484         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2485         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2486         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2487         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2488         (tree_function_versioning, build_duplicate_type): Likewise.
2489         (copy_body_r): Likewise.  Export.
2490         (copy_decl_for_dup): Split into ...
2491         (copy_decl_for_dup_finish, copy_decl_to_var,
2492         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2493         (replace_ref_tree, inlining_p): Remove.
2494
2495 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2496
2497         * ifcvt.c (if_convert): Make it static.
2498         * rtl.h: Remove the prototype for if_convert.
2499
2500         * local-alloc.c (local_alloc): Make it static.
2501         * rtl.h: Remove the prototype for local_alloc.
2502
2503         * loop.c (loop_optimize): Make it static.
2504         * cfgloop.h: Remove the prototype for loop_optimize.
2505         * rtl.h: Likewise.
2506
2507 2006-01-16  DJ Delorie  <dj@redhat.com>
2508
2509         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2510         mems.
2511
2512 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2513
2514         * pa.md: Disparage copies between general and floating-point registers
2515         in 32-bit move patterns.
2516
2517 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
2518
2519         PR testsuite/25741
2520         * Makefile.in (check-%): Depend on site.exp instead of
2521         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2522         directories.
2523
2524 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2525
2526         * global.c (global_alloc): Make it static.
2527         * rtl.h: Remove the prototype for global_alloc.
2528
2529 2006-01-16  Richard Guenther  <rguenther@suse.de>
2530
2531         * tree-ssa-alias.c (struct used_part): Add write_only field.
2532         (get_or_create_used_part_for): Initialize it to true.
2533         (create_overlap_variables_for): Don't create structure variables
2534         for structures that only are written to.
2535         (find_used_portions): Handle MODIFY_EXPR to track whether a
2536         structure is only written to.
2537
2538 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2539
2540         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2541         static.
2542         * basic-block.h: Remove the prototype for
2543         partition_hot_cold_basic_blocks.
2544
2545 2006-01-16  Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2546
2547         * cppspec.c (lang_specific_spec_functions): Remove.
2548         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2549         * gcc.h (lang_specific_spec_functions): Remove.
2550         * gccspec.c (lang_specific_spec_functions): Remove.
2551
2552 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2553
2554         * combine.c (record_value_for_reg): Invalidate registers
2555         if INSN is null.
2556         (record_dead_and_set_regs_1): Likewise, by passing them to
2557         record_value_for_reg.
2558         (record_dead_and_set_regs): Invalidate stores made by a
2559         call.  We do not combine across a call, but we still
2560         relied on equivalences.
2561
2562 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2563
2564         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2565         vrp_int_const_binop returning non-constant nodes.
2566
2567 2006-01-16  Paul Brook  <paul@codesourcery.com>
2568
2569         * config/m68k/m68k.c (output_move_const_into_data_reg):
2570         Output correct mnemonic for mvz and mvs.
2571
2572 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2573
2574         * rtl-factoring.c: Add sequence abstraction algorithm.
2575         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2576         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2577         ABNORMAL edges.
2578         (block_has_preserve_label): New function.
2579         * common.opt: Register new pass.
2580         * Makefile.in: Ditto.
2581         * passes.c: Ditto.
2582         * timevar.def: Ditto.
2583         * tree-pass.h: Ditto.
2584         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2585         * rtl.h (make_jump_insn_raw): Add forward decl.
2586         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2587
2588 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2589             Roger Sayle  <roger@eyesopen.com>
2590
2591         * fold-const.c (fold_minmax): New static function.
2592         (fold_binary) <MIN_EXPR>: Call it.
2593         <MAX_EXPR>: Likewise.
2594         * stor-layout.c (place_field): Use DECL_SIZE consistently
2595         in the computation of the new record size.
2596
2597 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2598
2599         * cse.c (cse_condition_code_reg): Make it static.
2600         * rtl.h: Remove the prototype for cse_condition_code_reg.
2601
2602         * combine.c (combine_instructions): Make it static.
2603         * rtl.h: Remove the prototype for combine_instructions.
2604
2605 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2606
2607         PR target/25168
2608         * tree.c (get_file_function_name_long): Concatenate the first global
2609         object name with a string derived from the input filename of the object
2610         for type "F".
2611
2612 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2613
2614         * config/i386/winnt-stubs.c: Update FSF address.
2615         * config/xtensa/ieee754-df.S: Ditto.
2616         * config/xtensa/ieee754-sf.S: Ditto.
2617
2618 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2619
2620         * ifcvt.c (noce_init_if_info): New static function, broken out of
2621         noce_process_if_block.
2622         (noce_process_if_block): Call noce_init_if_info.
2623         (check_cond_move_block): New static function.
2624         (cond_move_process_if_block): New static function.
2625         (process_if_block): Call cond_move_process_if_block.
2626
2627 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2628
2629         * cselib.c (hash_table): Rename to cselib_hash_table.
2630         (cselib_clear_table, discard_useless_values,
2631         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2632         cselib_init, cselib_finish): Adjust uses of hash_table.
2633
2634 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2635
2636         PR tree-optimization/25485
2637         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2638         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2639         is known to be false and true, respectively.
2640
2641 2006-01-14  Richard Guenther  <rguenther@suse.de>
2642
2643         PR tree-optimization/22548
2644         PR tree-optimization/22555
2645         PR tree-optimization/22501
2646         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2647         * params.def (salias-max-array-elements): New parameter.
2648         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2649         * doc/invoke.texi (salias-max-array-elements): Document.
2650         * tree-flow-inline.h (var_can_have_subvars): We also handle
2651         arrays now.
2652         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2653         COMPONENT_REF.
2654         * tree-ssa-structalias.c (params.h): Include.
2655         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2656         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2657         (get_constraint_for): For ADDR_EXPR operating on something
2658         containing an ARRAY_REF, add all subvars to the solution.
2659         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2660         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2661         for creating MUST_DEFs.
2662         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2663
2664 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2665
2666         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2667         functions.
2668         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2669         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2670         number_of_iterations_le): New functions.
2671         (number_of_iterations_special): Removed.
2672         (number_of_iterations_exit): Do not use number_of_iterations_special.
2673         * tree.c (unsigned_type_for): Always return integer type.
2674
2675 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2676         Richard Guenther  <rguenther@suse.de>
2677
2678         PR rtl-optimization/24257
2679         * gcse.c (find_moveable_store): Only consider a store movable
2680         when the SET_SRC of the insn can be assigned to a register.
2681
2682 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2683
2684         * tree.c (tree_not_class_check_failed): New function.
2685         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2686         (tree_not_class_check_failed): Declare.
2687
2688 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2689
2690         * reload1.c (do_output_reload): Add assertion rejecting a
2691         CALL_INSN.
2692
2693 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2694
2695         * combine.c (struct reg_stat): Add new fields truncation_label and
2696         truncated_to_mode.
2697         (record_value_for_reg): Reset truncated_to_mode.
2698         (record_truncated_value): New function.
2699         (check_promoted_subreg): Call it.  Rename to check_conversions.
2700         (combine_instructions): Rename check_promoted_subreg to
2701         check_conversions.
2702         (reg_truncated_to_mode): New function.
2703         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2704         (gen_lowpart_or_truncate): New function.
2705         (force_to_mode): Use it instead of gen_lowpart.
2706
2707 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2708
2709         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2710         VAR is a tag, not its type tag.
2711
2712 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2713
2714         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2715         alternatives to match style of other entries.
2716         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2717
2718 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2719
2720         PR tree-optimization/25771
2721         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2722         SSA_NAMES.
2723
2724 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2725
2726         PR tree-opt/24365
2727         * tree-inline.c (declare_return_variable): If the return variable
2728         was marked as a non gimple complex, set the return slot variable
2729         to be a non gimple comple variable.
2730
2731 2006-01-13  Richard Guenther  <rguenther@suse.de>
2732
2733         * builtins.c (expand_builtin_sincos): New function.
2734         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2735         do not set errno.
2736         (expand_builtin): Expand sincos using expand_builtin_sincos.
2737
2738 2006-01-12  DJ Delorie  <dj@redhat.com>
2739
2740         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2741         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2742         so that constant shifts can be split.
2743         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2744         (m32c_valid_pointer_mode): Make static.
2745         (shift_gen_func_for): New.
2746         (m32c_prepare_shift): Use it.  Split large const shifts into
2747         multiple shifts.
2748         * config/m32c/predicates.md (shiftcount_operand): Allow more
2749         general operands.
2750         (longshiftcount_operand): New.
2751         * doc/md.texi (Machine Constraints): Document In6.
2752
2753 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2754
2755         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2756         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2757         documentation.
2758
2759 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2760
2761         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2762         to try to avoid clobbering pieces of structures when we know
2763         something about the whole structure.
2764         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2765
2766 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2767
2768         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2769         return in memory, as this is no limitation is no longer present.
2770
2771 2006-01-12  DJ Delorie  <dj@redhat.com>
2772
2773         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2774         mova with fb, and for fb+0 -> An.
2775
2776         * config/m32c/mov.md (peephole2): Fix enabling logic.
2777
2778         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2779         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2780         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2781         FINI_ARRAY_SECTION_ASM_OP): Define.
2782
2783         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2784         variable.
2785         (m32c_legitimize_reload_address): New logic to reload FB to An.
2786         (m32c_output_reg_push): Add newline.
2787         (m32c_output_reg_pop): Likewise.
2788
2789 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2790
2791         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2792
2793 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2794
2795         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2796
2797 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2798
2799         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2800         match_code.
2801
2802 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2803
2804         * rtlanal.c (find_reg_note): Assert insn is not null.
2805
2806 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2807
2808         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2809         ifdef.
2810
2811 2006-01-11  Jeff Law  <law@redhat.com>
2812
2813         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2814         hold edge pairs.
2815         (mark_threaded_blocks, register_jump_thread): New functions.
2816         (thread_through_all_blocks): Remove unwanted argument.  No
2817         longer rely on e->aux to communicate thread target info.
2818         Call mark_threaded_blocks.  Release the threaded_blocks
2819         bitmap and threaded_edges vector when complete.
2820         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2821         (threaded_blocks): Remove.
2822         (tree_ssa_dominator_optimize): Remove initialization and
2823         finalization of threaded_blocks.  Simplify call to
2824         thread_through_all_blocks.
2825         (thread_across_edge): Call register_jump_thread rather than
2826         storing thread information into e->aux.
2827         (free_all_edge_infos): Simplify now that e->aux is no longer
2828         used to communicate with thread_through_all_blocks.
2829         * tree-flow.h (thread_through_all_blocks): Update prototype.
2830         (register_jump_thread): Prototype.
2831
2832 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2833
2834         * df-core.c (df_compact_blocks, df_bb_replace): Use
2835         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2836
2837 2006-01-11  Richard Guenther  <rguenther@suse.de>
2838
2839         PR tree-optimization/25734
2840         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2841         stop propagation after successful propagation to the LHS.
2842
2843 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2844
2845         * basic-block.h (control_flow_graph): Change the type of
2846         x_basic_block_info to VEC(basic_block,gc) *.
2847         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2848         basic_block_info.
2849         (SET_BASIC_BLOCK): New.
2850         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2851         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2852         * cfgbuild.c (find_basic_blocks): Likewise.
2853         * cfglayout.c (fixup_reorder_chain): Likewise.
2854         * cfgrtl.c (create_basic_block_structure,
2855         rtl_create_basic_block): Likewise.
2856         * ifcvt.c (find_if_case_1): Likewise.
2857         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2858         Likewise.
2859
2860 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2861
2862         * Makefile.in: Removed rotted odf.c entry.
2863
2864 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2865
2866         PR target/25706
2867         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2868         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2869         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2870         output pattern modifier, not %e.
2871         * config/cris/cris.c (cris_op_str): Update comment about pattern
2872         modifier.
2873         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2874         before falling through into...
2875         <case 'E'>: Redefined from old 'e' case.
2876
2877 2006-01-11  Jan Hubicka  <jh@suse.cz>
2878
2879         PR target/25042
2880         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2881
2882 2006-01-11  Jan Hubicka  <jh@suse.cz>
2883
2884         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2885         * i386.c (x86_decompose_lea): Kill.
2886         (ix86_rtx_costs): Kill.
2887
2888 2006-01-11  Jan Hubicka  <jh@suse.cz>
2889
2890         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2891         * cgraph.h (cgraph_node): Add inline_decl.
2892         (cgraph_insert_node_to_hashtable): Declare.
2893         (save_inline_function_body): Declare.
2894         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2895         clones.
2896         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2897         (cgraph_function_versioning): Update call of tree_function_versioning.
2898         (save_inline_function_body): New function.
2899         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2900         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2901         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2902         (cgraph_default_inline_p): Likewise.
2903         (cgraph_decide_inlining_incrementally): Likewise.
2904         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2905         (copy_bb): Kill saving; do updating of clones.
2906         (copy_cfg_body): Kill saving.
2907         (initialize_inlined-parameters): Likewise.
2908         (expand_call_inline): Likewise.
2909         (save_body): Kill.
2910         (tree_function_versioning): New parameter "update_clones".
2911         (inlining_p): Kill saving.
2912         * tree-inline.h (tree_function_versioning): Update prototype.
2913         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2914         saving.
2915
2916 2006-01-11  Ian Lance Taylor <ian@airs.com>
2917
2918         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2919         Allow undoing set of machine mode.
2920         (do_SUBST): Use enums instead of is_int.
2921         (do_SUBST_MODE): New function.
2922         (SUBST_MODE): New macro.
2923         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2924         reg and trying to replace reg_regno_rtx with a new register.
2925         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2926         (simplify_set): Use SUBST_MODE.
2927         (distribute_notes): Remove code that tried to update reg notes
2928         for regno_reg_rtx changes.
2929
2930 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2931
2932         PR tree-optimization/23109
2933         PR tree-optimization/23948
2934         PR tree-optimization/24123
2935
2936         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2937         * tree-cfg.c (single_noncomplex_succ): New.
2938         * tree-flow.h (single_noncomplex_succ): Declare it.
2939         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2940         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2941         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2942         insert_bb, register_division_in, insert_reciprocals,
2943         replace_reciprocal, free_bb): New.
2944         (execute_cse_reciprocals_1): Rewritten.
2945         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2946         Do not commit any edge insertion.  Always compute dominators and
2947         create the allocation pool.
2948         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2949         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2950         * targhooks.c (default_min_divistions_for_recip_mul): New.
2951         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2952         * passes.c (init_optimization_passes): Run recip after tree loop
2953         optimizations.
2954         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2955
2956 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2957             Kenneth Zadeck <zadeck@naturalbridge.com>
2958
2959         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2960         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2961         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2962         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2963         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2964         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2965         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2966         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2967         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2968         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2969         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2970         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2971         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2972         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2973         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2974         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2975         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2976         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2977         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2978         DF_SCAN_POST_ALLOC): New macros.
2979         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2980         df_free_bb_function, df_local_compute_function, df_init_function,
2981         df_dataflow_function, df_confluence_function_0,
2982         df_confluence_function_n, df_transfer_function,
2983         df_finalizer_function, df_free_function, df_dump_problem_function,
2984         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2985         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2986         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2987         df_urec_bb_info, ) New types.
2988         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2989         variables.
2990         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2991         df_analyze_simple_change_some_blocks,
2992         df_analyze_simple_change_one_block, df_compact_blocks,
2993         df_bb_replace, df_bb_regno_last_use_find,
2994         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2995         df_insn_regno_def_p, df_find_def, df_find_use,
2996         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2997         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2998         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2999         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3000         debug_df_chain, df_get_dependent_problem, df_chain_create,
3001         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3002         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3003         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3004         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3005         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3006         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3007         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3008         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3009         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3010         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3011         df_reorganize_refs, df_set_state, df_hard_reg_init,
3012         df_read_modify_subreg_p) New public functions.
3013         * df-core.c: The core dataflow solver and glue routines for rtl
3014         dataflow.
3015         (df_init, df_add_problem, df_set_blocks, df_finish,
3016         df_hybrid_search_forward, df_hybrid_search_backward,
3017         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3018         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3019         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3020         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3021         df_reg_defined, df_find_use, df_reg_used, df_dump,
3022         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3023         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3024         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3025         debug_df_useno, reset_df_after_reload): New functions.
3026         * df-scan.c: The scanning fuctions, once in df.c, completely
3027         rewritten so that they now fully model the functionality of
3028         register usage at the backend.
3029         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3030         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3031         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3032         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3033         df_get_artificial_defs, df_get_artificial_uses,
3034         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3035         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3036         df_refs_delete, df_reorganize_refs, df_set_state,
3037         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3038         df_def_record_1, df_defs_record, df_uses_record,
3039         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3040         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3041         df_record_exit_block_uses, df_hard_reg_init): New functions.
3042
3043         * df-problems.c: Seven concrete dataflow problems that use the
3044         scanning in df-scan.c and are solved by the engine in df-core.c.
3045         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3046         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3047         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3048         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3049         df_ru_free_bb_info, df_ru_alloc,
3050         df_ru_bb_local_compute_process_def,
3051         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3052         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3053         df_ru_transfer_function, df_ru_free, df_ru_dump,
3054         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3055         df_rd_free_bb_info, df_rd_alloc,
3056         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3057         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3058         df_rd_transfer_function, df_rd_free, df_rd_dump,
3059         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3060         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3061         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3062         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3063         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3064         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3065         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3066         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3067         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3068         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3069         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3070         df_urec_mark_reg_use_for_earlyclobber,
3071         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3072         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3073         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3074         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3075         df_chain_create_bb_process_use, df_chain_create_bb,
3076         df_chain_finalize, df_chain_free, df_chains_dump,
3077         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3078         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3079         df_reg_lifetime): New functions.
3080         * df.c: Deleted file.
3081         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3082         consistent with new df api.
3083         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3084         rest_of_handle_sms): Ditto.
3085         * web.c (unionfind_union, union_defs, entry_register, web_main):
3086         Ditto.
3087         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3088         invariant_expr_equal_p, find_defs, check_dependencies,
3089         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3090         free_inv_motion_data, move_loop_invariants): Ditto.
3091         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3092         Update dependencies.
3093         (odf.c): Added defective entry that was deleted later in day.
3094         * sched-deps.c (sched_analyze_1): Ditto.
3095
3096 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3097
3098         * tree-ssa-operands.c (get_expr_operands): Record addressable
3099         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3100         and ARRAY_DECLs.
3101         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3102         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3103
3104 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3105
3106         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3107         function returns true in the positive case.
3108
3109 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3110
3111         PR target/20754
3112         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3113         for SI, DI, SF and DF modes.  Add alternatives to copy between
3114         general and floating point registers to the 32-bit patterns.
3115         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3116         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3117         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3118         generating 64-bit code.
3119         * config/pa/pa.c (output_move_double): Handle copies between general
3120         and floating registers.
3121
3122 2006-01-10  Stuart Hastings  <stuart@apple.com>
3123
3124         * config/i386/i386.md (set_got): Update.
3125         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3126         (builtin_setjmp_receiver): Mach-O support.
3127         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3128         (GOT_SYMBOL_NAME): Define.
3129         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3130         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3131         * config/i386/i386.c (override_options): Revise for Darwin.
3132         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3133         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3134         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3135         * config/i386/i386-protos.h (output_set_got): Likewise.
3136         * config/darwin.c (machopic_legitimize_pic_address): Update
3137         regs_ever_live[].
3138
3139 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3140
3141         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3142         when MODE isn't BLKmode.
3143
3144 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3145
3146         PR rtl-optimization/25367
3147         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3148
3149 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3150
3151         PR target/25718
3152         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3153         for a negative bound.
3154
3155 2006-01-10  Richard Guenther  <rguenther@suse.de>
3156
3157         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3158         Never override with anything constraint.
3159
3160 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3161
3162         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3163         256 bits when optimize_size.
3164
3165 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3166
3167         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3168         MASK_ALIGN_DOUBLE.
3169         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3170         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3171         arguments.
3172
3173 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3174
3175         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3176         float modes.
3177         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3178         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3179         (USE_FP_FOR_ARG): Reject decimal float modes.
3180         (function_arg_advance): Likewise.
3181         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3182         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3183         point types in AltiVec vectors.
3184         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3185         (rs6000_libcall_value): Likewise.
3186
3187 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
3188
3189         * config/xtensa/ieee754-df.S: New file.
3190         * config/xtensa/ieee754-sf.S: New file.
3191         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3192         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3193         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3194
3195 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
3196
3197         * config/sh/predicates.md (binary_float_operator,
3198         binary_logical_operator, commutative_float_operator,
3199         equality_comparison_operator, greater_comparison_operator,
3200         less_comparison_operator, logical_operator,
3201         noncommutative_float_operator, shift_operator,
3202         symbol_ref_operand, unary_float_operator): Remove redundant
3203         conditionals.
3204
3205 2006-01-09  Jeff Law  <law@redhat.com>
3206
3207         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3208         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
3209         now unused arguments.  Callers updated.
3210         (eliminate_redundant_computations): Remove now unused arguments,
3211         callers updated.
3212         (local_fold): Remove, no longer used.
3213         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3214         and moved to...
3215         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3216         (simplify_cond): New function.
3217         (forward_propagate_into_cond): Call simplify_cond.
3218
3219 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
3220
3221         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3222         (*vec_extractv2di_1_sse): New.
3223
3224 2006-01-09  Ben Elliston  <bje@au.ibm.com>
3225
3226         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3227
3228 2006-01-08  Richard Guenther  <rguenther@suse.de>
3229
3230         * tree-ssa-structalias.c (get_constraint_for): Remove
3231         anyoffset argument.
3232         (get_constraint_for_component_ref): Likewise.
3233         (do_deref): Likewise.
3234         (get_constraint_for): Likewise.
3235         (do_structure_copy): Likewise.
3236         (handle_ptr_arith): Likewise.
3237         (find_func_aliases): Likewise.  Remove unused need_anyoffset
3238         variable.
3239
3240 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
3241             Kaz Kojima  <kkojima@gcc.gnu.org>
3242
3243         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3244         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3245         (EXTRA_CONSTRAINT_C16): Remove.
3246         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3247         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3248         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3249         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3250         constants of SHmedia.  Handle nested constant expressions of
3251         SHmedia correctly.
3252         (andcosts): Fix the costs for SHmedia constants.
3253         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3254         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3255         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3256         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3257         (movv4hi_i, movv2si_i): Likewise.
3258         (movsi_const): Adjust the second operand of ior so to match with
3259         the Csu constraint.
3260         (movdi_const, movdi_const_32bit): Likewise.
3261         (movdi_const_16bit+1): Don't sign-extend LOW.
3262         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
3263         step.
3264         (*double_shori): Fix the split condition.  Use GEN_INT instead
3265         of get_int_mode calls.  Mask lower 16-bit of the argument of
3266         the last GEN_INT.
3267         (sym2GOTPLT): Remove.
3268         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3269         gen_rtx_UNSPEC.
3270         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3271         instead of EXTRA_CONSTRAINT_C16.
3272
3273 2006-01-07  Ian Lance Taylor  <ian@airs.com>
3274             David Edelsohn  <edelsohn@gnu.org>
3275
3276         PR rtl-optimization/25662
3277         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3278         for constant operands instead of simplify_gen_binary.
3279         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3280         after trying simplify_binary_operation
3281
3282 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
3283
3284         * tree.c (iterative_hash_expr): Hash decls based on UID.
3285
3286 2006-01-06  Eric Christopher  <echristo@apple.com>
3287
3288         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3289         (TARGET_UNWIND_EMIT): Fix spelling.
3290         * target.h (gcc_target): Add except_table_label.
3291         * except.c (output_function_exception_table): Use.
3292         * varasm.c (default_emit_except_table_label): New.
3293         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3294         define.
3295         (asm_out): Add here.
3296         * output.h (default_emit_except_table_label): Prototype.
3297         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3298         * config/darwin.c (darwin_emit_except_table_label): Define.
3299         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3300
3301 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
3302
3303         PR tree-optimization/18527
3304         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3305         number_of_iterations_special, number_of_iterations_exit):
3306         Move base and step of an iv to a single structure.  Add
3307         no_overflow flag, and use it in # of iterations analysis.
3308         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3309         folded_casts argument.
3310         (simple_iv): Pass base and step in a structure.  Set no_overflow
3311         flag.
3312         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3313         Evaluate expensiveness of computing # of iterations instead of
3314         the final expression.
3315         * tree-scalar-evolution.h (affine_iv): New structure.
3316         (simple_iv): Declaration changed.
3317         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3318         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3319         find_givs_in_stmt): Changed due to simple_iv change.
3320
3321 2006-01-06  Jeff Law  <law@redhat.com>
3322
3323         PR ada/24994
3324         * tree-cfg.c (bsi_replace): Rename final argument from
3325         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
3326         change (stmt -> orig_stmt).
3327         * tree-eh.c (verify_eh_throw_stmt_node): New function.
3328         (bsi_remove): Add new argument.  Remove EH information
3329         if requested.
3330         (verify_eh_throw_table_statements): New function.
3331         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
3332         updated.
3333         * tree-optimize.c (execute_free_cfg_annotations): Verify
3334         the EH throw statement table after removing annotations.
3335         * except.h (verify_eh_throw_table_statements): Prototype.
3336         * tree-flow.h (bsi_remove): Update prototype.
3337         * tree-vrp.c (remove_range_assertions): Add new argument to
3338         bsi_remove call.
3339         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3340         * tree-complex.c (expand_complex_div_wide): Likewise.
3341         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3342         * tree-tailcall.c (eliminate_tailcall): Likewise.
3343         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3344         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3345         * tree-nrv.c (tree_nrv): Likewise.
3346         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3347         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3348         (combine_blocks): Likewise.
3349         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3350         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3351         (cleanup_control_flow): Likewise.
3352         (remove_forwarder_block): Likewise.
3353         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3354         * tree-sra.c (sra_replace): Likewise.
3355         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3356         (forward_propagate_single_use_vars): Likewise.
3357         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3358         * tree-inline.c (expand_call_inline): Likewise.
3359         * tree-vect-transform.c (vect_transform_loop): Likewise.
3360         * tree-outof-ssa.c (rewrite_trees): Likewise.
3361         * tree-cfg.c (make_goto_expr_edges): Likewise.
3362         (cleanup_dead_labels): Likewise.
3363         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3364         (bsi_move_before, bsi_move_after): Likewise.
3365         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3366         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3367
3368 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
3369
3370         PR tree-opt/25528
3371         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3372         and IMAGPART_EXPR.
3373         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3374         on non gimple variables.  Also add checks at the top for decls and
3375         mtags.
3376         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3377         complex types.
3378         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3379         and IMAGPART_EXPR for creating MUST_DEFs.
3380         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3381         and NAME_MEMORY_TAG separately from the DECLs.
3382
3383 2006-01-06  Richard Guenther  <rguenther@suse.de>
3384
3385         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3386         annotation, if necessary.
3387         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3388         redundant calls to update_stmt.
3389         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3390         Likewise.
3391
3392 2006-01-05  Richard Henderson  <rth@redhat.com>
3393
3394         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3395
3396 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3397
3398         * c-typeck.c: Update copyright date.
3399
3400 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3401
3402         * c-typeck.c (build_c_cast): Always warn when casting
3403         from a pointer to an integer of different size, even if
3404         the node was constant.
3405
3406 2006-01-05  Richard Guenther  <rguenther@suse.de>
3407
3408         PR tree-optimization/22555
3409         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3410         if one structure field is an array.
3411         * tree-ssa-operands.c (get_expr_operands): Continue scanning
3412         operands even if we found a subvar, but ignore VOPs in this
3413         case.
3414         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3415         for renaming.
3416         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3417
3418 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
3419
3420         PR middle-end/24998
3421         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3422
3423 2006-01-05  Richard Guenther  <rguenther@suse.de>
3424             Diego Novillo  <dnovillo@redhat.com>
3425
3426         * tree-pass.h (TODO_remove_unused_locals): Define.
3427         * gimple-low.c (expand_var_p, remove_useless_vars,
3428         pass_remove_useless_vars): Remove.  Update all users.
3429         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3430         (remove_unused_locals): New function.
3431         * tree-flow.h (remove_unused_locals): Declare.
3432         * passes.c (execute_todo): Call remove_unused_locals if
3433         TODO_remove_unused_locals is set.
3434         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3435         * tree-ssa-dce.c (pass_dce): Likewise.
3436         * tree-outof-ssa.c (pass_del_ssa): Likewise.
3437
3438 2006-01-05  Richard Guenther  <rguenther@suse.de>
3439
3440         * tree-flow.h (struct fieldoff): Decompose field to
3441         type, size and decl.
3442         * tree-ssa-alias.c (create_sft): Take type as parameter.
3443         (create_overlap_variables_for): Store type, size and decl
3444         in the fieldoff structure.
3445         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3446         of struct fieldoff.
3447         (push_fields_onto_fieldstack): Likewise.
3448         (create_variable_info_for): Likewise.  Use offset for the
3449         SFT name if the decl is not available.
3450
3451 2006-01-04  Paul Brook  <paul@codesourcery.com>
3452
3453         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3454
3455 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
3456
3457         * lambda-code.c (can_put_in_inner_loop): Relax
3458         restrictions.
3459         (can_put_after_inner_loop): New function.
3460         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3461         (perfect_nestify): Change to make copies and modify uses.
3462
3463 2006-01-04  Richard Henderson  <rth@redhat.com>
3464
3465         Merge from gomp branch:
3466         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3467         via integer constant.
3468         (pragma_lex): Remove.
3469         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3470         rather than parsing it.
3471         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3472         handle_pragma_extern_prefix): Add %< %> quotes.
3473         (registered_pragmas): New.
3474         (c_register_pragma_1): New.
3475         (c_register_pragma): Use it.
3476         (c_register_pragma_with_expansion): Likewise.
3477         (c_invoke_pragma_handler): New.
3478         (init_pragma): Use cpp_register_deferred_pragma directly for
3479         pch_preprocess.
3480         * c-pragma.h (enum pragma_kind): New.
3481         (pragma_handler): New.
3482         (c_invoke_pragma_handler): Declare.
3483         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3484         CPP_PRAGMA_EOL.
3485         * c-common.h (c_common_pch_pragma): Update decl.
3486         * Makefile.in (c-parser.o): Update dependencies.
3487         (GTFILES): Add c-pragma.h.
3488         * c-parser.c (struct c_token): Add pragma_kind.
3489         (struct c_parser): Add in_pragma.
3490         (c_lex_one_token): Always initialize keyword and pragma_kind.
3491         Extract data for CPP_PRAGMA.
3492         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3493         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3494         Don't allow CPP_PRAGMA_EOL if in_pragma.
3495         (c_parser_consume_pragma): New.
3496         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3497         (c_parser_skip_to_end_of_parameter): Likewise.
3498         (c_parser_skip_to_end_of_block_or_statement): Likewise.
3499         (c_parser_skip_to_pragma_eol): New.
3500         (c_parser_external_declaration): Handle CPP_PRAGMA.
3501         (c_parser_compound_statement_nostart): Likewise.
3502         (c_parser_statement_after_labels): Likewise.
3503         (c_parser_pragma): New.
3504         (pragma_lex): Likewise.
3505         (c_parser_pragma_pch_preprocess): New.
3506         (c_parser_new): Merge into ...
3507         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
3508
3509 2006-01-04  Jeff Law  <law@redhat.com>
3510
3511         PR ada/24994
3512         * tree-cfg.c (bsi_replace): Remove the original statement
3513         from the EH throw statement table.
3514
3515 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
3516
3517         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3518         make the prototype extern "C" and add throw ().
3519
3520         PR target/25554
3521         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3522         and pos non-negative and pos + len <= 32.
3523         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3524         drop pos + len < HOST_BITS_PER_WIDE_INT test.
3525         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3526
3527         PR c/25559
3528         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3529         as well as sizes not multiple of component size.
3530
3531         PR debug/25562
3532         * function.c (instantiate_expr): New function.
3533         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3534         walk its DECL_VALUE_EXPR with instantiate_expr.
3535
3536         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3537         DW_OP_deref{,_size} if address isn't going to be added.
3538
3539 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3540
3541         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3542         * config/fp-bit.c: Likewise.
3543
3544 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3545
3546         * dominance.c: Add comment about why we use DFS numbering
3547         of dominance tree.
3548
3549 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3550             Richard Henderson  <rth@redhat.com>
3551
3552         Merge from gomp-branch:
3553         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3554         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3555
3556 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3557
3558         PR rtl-optimization/25578
3559         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3560         pass a parameter to simplify_shift_const if changing ASHIFTRT
3561         to LSHIFTRT.
3562
3563 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3564
3565         * builtins.c (get_builtin_sync_mem): New function.
3566         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3567         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3568         Call get_builtin_sync_mem to generate mem rtx.
3569
3570 2006-01-03  Richard Guenther  <rguenther@suse.de>
3571
3572         PR c/25183
3573         * stmt.c (add_case_node): Make sure to clear overflow flags
3574         from ranges.
3575
3576 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3577
3578         Merge from gomp-branch.
3579         * config/sparc/sync.md: New file.
3580         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3581         UNSPECV_LDSTUB): New constants.
3582         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3583         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3584         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3585         prototype.
3586
3587 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3588
3589         * combine.c (reg_subword_p): New predicate to test whether the
3590         destination of a set refers to a subword/piece of a register.
3591         (try_combine): Generalize the code to merge the setting of a
3592         pseudo to a constant followed by a set of a subword of that
3593         register to a constant.
3594
3595 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3596
3597         * basic-block.h (control_flow_graph): Change the type of
3598         x_label_to_block_map to VEC(basic_block,gc) *.
3599         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3600         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3601
3602         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3603         VEC(basic_block,heap) *.
3604         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3605         ssa_prop_fini): Adjust the uses of cfg_blocks.
3606
3607 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3608
3609         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3610         COMPONENT_REFs.
3611         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3612         hashing trees instead of a pointer hash.
3613         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3614         compare for MEM_EXPR.
3615
3616         PR rtl-optimization/25130
3617         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3618         when comparing MEMs for GCSE
3619
3620 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3621
3622         * targhooks.h (default_decimal_float_supported_p): Declare.
3623         * targhooks.c (default_decimal_float_supported_p): Define.
3624         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3625         `default_decimal_float_supported_p'.
3626         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3627
3628 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3629
3630         * combine.c (apply_distributive_law <SUBREG>): Check
3631         TRULY_NOOP_TRUNCATION.
3632
3633 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3634
3635         * dwarf2out.c (have_switched_text_section): Delete.
3636         (have_multiple_function_sections): New.
3637         (have_location_lists): Make 'bool'.
3638         (add_AT_loc_list): Use 'true' not '1'.
3639         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3640         (output_loc_list): Use have_multiple_function_sections.
3641         (output_ranges): Likewise.
3642         (dwarf2out_begin_function): Set have_multiple_function_sections if
3643         necessary.
3644         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3645         Check function_section rather than DECL_SECTION_NAME.
3646         (dwarf2out_finish): Use have_multiple_function_sections.
3647         Don't clear have_location_lists.
3648
3649 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3650             Jan Hubicka  <jh@suse.cz>
3651
3652         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3653         case of conditional jump jumping to the next instruction.
3654         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3655         cases of conditional jump jumping to the next instruction.
3656
3657 2006-01-02  Jan Hubicka  <jh@suse.cz>
3658
3659         * i386.c (*_cost): Add COSTS_N_INSNS.
3660         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3661
3662 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3663
3664         PR target/25259
3665         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3666
3667 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3668
3669         * config/arm/arm.c (all_fpus): Fix comment typo.
3670         * config/darwin.c: Likewise.
3671         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3672         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3673         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3674
3675 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3676
3677         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3678         (rs6000_split_compare_and_swapqhi): New.
3679         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3680         (sync_compare_and_swapqhi_internal): New.
3681         * config/rs6000/rs6000-protos.h: Declare.