gcc/ChangeLog

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