gcc/ChangeLog

   1 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
   2             Shujing Zhao  <pearly.zhao@oracle.com>
   3
   4         PR translation/42469
   5         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
   6         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
   7         character between option name and help text.
   8         * c.opt (imultilib): Likewise.
   9
  10 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
  11
  12         * lto-streamer-out.c (output_unreferenced_globals): Output static
  13         variables.
  14
  15 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
  16
  17         PR rtl-optimization/42621
  18         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
  19         optimizing for size.
  20         (duplicate_computed_gotos): Remove now-redundant check.
  21
  22 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
  23
  24         PR target/37454
  25         * configure.ac: Save and restore LDFLAGS and LIBS
  26         * configure: Regenerate.
  27
  28 2010-01-10  Richard Guenther  <rguenther@suse.de>
  29
  30         PR middle-end/42667
  31         * builtins.c (fold_builtin_strlen): Add type argument and
  32         convert the resulting length to it.
  33         (fold_builtin_1): Adjust.
  34
  35 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
  36
  37         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
  38         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
  39         1 insn.
  40         (num_insns_constant_wide): Adjust for that change.
  41
  42 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
  43
  44         PR debug/42631
  45         * web.c (union_defs): Add used argument, to combine uses of
  46         uninitialized regs.
  47         (entry_register): Adjust type and tests of used argument.
  48         (web_main): Widen used for new use.  Pass it to union_defs.
  49         * df.h (union_defs): Adjust prototype.
  50
  51 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
  52
  53         PR debug/42630
  54         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
  55         uses in new incoming argument.  Free body.
  56         (reset_debug_uses_in_loop): New.
  57         (analyze_insn_to_expand_var): Call the latter if the former found
  58         anything.  Fix whitespace.  Reject invalid dest overlaps before
  59         going through all insns in the loop.
  60
  61 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
  62
  63         PR debug/42629
  64         * haifa-sched.c (dying_use_p): Debug insns don't count.
  65
  66 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
  67
  68         PR middle-end/42363
  69         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
  70         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
  71         (verify_gimple_call): Reject LHS in noreturn calls.
  72
  73 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
  74
  75         PR debug/42604
  76         PR debug/42395
  77         * tree-vect-loop-manip.c (adjust_info): New type.
  78         (adjust_vec): New pointer to vector.
  79         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
  80         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
  81         (slpeel_update_phis_for_duplicate_loop): Use them.
  82         (slpeel_update_phi_nodes_for_guard1): Likewise.
  83         (slpeel_update_phi_nodes_for_guard2): Likewise.
  84         (slpeel_tree_peel_loop_to_edge): Likewise.
  85         (vect_update_ivs_after_vectorizer): Likewise.
  86
  87 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
  88
  89         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
  90         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
  91
  92 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
  93
  94         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
  95         bogus uninitialized warning.
  96
  97 2010-01-09  Richard Guenther  <rguenther@suse.de>
  98
  99         PR middle-end/42512
 100         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
 101         the evolution is compatible with the initial condition.
 102
 103 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
 104
 105         * gcc.c (process_command): Update copyright notice dates.
 106         * gcov.c (print_version): Likewise.
 107         * gcov-dump.c (print_version): Likewise.
 108         * mips-tfile.c (main): Likewise.
 109         * mips-tdump.c (main): Likewise.
 110
 111 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
 112
 113         PR target/41885
 114         * avr.md (rotlqi3): Add CONST_INT_P check.
 115         (rotlhi3): Delete.
 116         (rotlhi3_8): Delete.
 117         (rotlsi3): Delete.
 118         (rotlsi3_8): Delete.
 119         (rotlsi3_16): Delete.
 120         (rotlsi3_24): Delete.
 121         (rotl<mode>3): New.
 122         (*rotw<mode>3): New.
 123         (*rotb<mode>3): New.
 124         * avr.c (avr_rotate_bytes): New function.
 125         * avr-proto.h (avr_rotate_bytes): New function.
 126
 127 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
 128
 129         PR target/37454
 130         * configure.ac: Modify -rdynamic check.
 131         * configure: Regenerate.
 132
 133 2010-01-08  DJ Delorie  <dj@redhat.com>
 134
 135         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
 136         register popping order.
 137
 138 2010-01-08  Richard Guenther  <rguenther@suse.de>
 139
 140         PR lto/42528
 141         * c.opt (fsigned-char): Also let LTO handle this option.
 142         (funsigned-char): Likewise.
 143
 144 2010-01-07  Richard Guenther  <rguenther@suse.de>
 145
 146         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
 147         (gimple_op): Likewise.
 148         (gimple_op_ptr): Likewise.
 149         (gimple_assign_set_lhs): Remove gcc_assert.
 150         (gimple_assign_set_rhs1): Likewise.
 151         (gimple_assign_set_rhs2): Likewise.
 152         (gimple_call_set_lhs): Likewise.
 153         (gimple_call_set_fn): Likewise.
 154         (gimple_call_set_fndecl): Likewise.
 155         (gimple_call_fndecl): Likewise.
 156         (gimple_call_return_type): Likewise.
 157         (gimple_call_set_chain): Likewise.
 158         (gimple_call_num_args): Likewise.
 159         (gimple_call_set_arg): Likewise.
 160         (gimple_cond_set_code): Likewise.
 161         (gimple_cond_set_lhs): Likewise.
 162         (gimple_cond_set_rhs): Likewise.
 163         (gimple_cond_set_true_label): Likewise.
 164         (gimple_cond_set_false_label): Likewise.
 165         (gimple_label_set_label): Likewise.
 166         (gimple_goto_set_dest): Likewise.
 167         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
 168         (gimple_debug_bind_get_value): Likewise.
 169         (gimple_debug_bind_get_value_ptr): Likewise.
 170         (gimple_debug_bind_set_var): Likewise.
 171         (gimple_debug_bind_set_value): Likewise.
 172         (gimple_debug_bind_reset_value): Likewise.
 173         (gimple_debug_bind_has_value_p): Likewise.
 174         (gimple_return_retval_ptr): Remove gcc_assert.
 175         (gimple_return_retval): Likewise.
 176         (gimple_return_set_retval): Likewise.
 177         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
 178         (safe_referenced_var_iterator): Remove.
 179         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
 180         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
 181         (fill_referenced_var_vec): Remove.
 182         (first_readonly_imm_use): Remove redundant gcc_assert.
 183         (phi_arg_index_from_use): Combine gcc_asserts.
 184         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
 185         (first_imm_use_stmt): Remove redundant gcc_assert.
 186         * tree-cfg.c (verify_gimple_call): Verify function and chain
 187         operands.  Verify arguments.
 188         (verify_types_in_gimple_stmt): Verify condition code and labels.
 189
 190 2010-01-07  Richard Guenther  <rguenther@suse.de>
 191
 192         PR tree-optimization/42641
 193         * sese.c (rename_map_elt_info): Use the SSA name version, do
 194         not hash pointers.
 195
 196 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
 197
 198         PR tree-optimization/42625
 199         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
 200         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body
 201         aliases.
 202
 203 2010-01-07  Duncan Sands  <baldrick@free.fr>
 204
 205         * Makefile.in (PLUGIN_HEADERS): Add version.h.
 206
 207 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
 208
 209         PR target/42511
 210         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
 211         note itself is not function_invariant_p.
 212
 213 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
 214
 215         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
 216         Do not add the DF_NOTE problem.
 217         * store-motion.c (execute_rtl_store_motion): Likewise.
 218
 219 2010-01-07  Martin Jambor  <mjambor@suse.cz>
 220
 221         PR tree-optimization/42157
 222         * tree-sra.c (compare_access_positions): Stabilize sort if both
 223         accesses have integer types, return zero immediately if they are the
 224         same.
 225
 226 2010-01-06  Richard Henderson  <rth@redhat.com>
 227
 228         PR middle-end/41883
 229         * haifa-sched.c (add_to_note_list): Merge into ...
 230         (concat_note_lists): ... here, and ...
 231         (unlink_other_notes, rm_other_notes): Merge into...
 232         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
 233         NOTE_INSN_EPILOGUE_BEG.
 234
 235 2010-01-06  Richard Guenther  <rguenther@suse.de>
 236
 237         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
 238         not inline regular functions into always-inline functions.
 239
 240 2010-01-06  Nick Clifton  <nickc@redhat.com>
 241
 242         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
 243         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
 244         used together.
 245         (OVERRIDE_OPTIONS): Delete.
 246         (OPTIMIZATION_OPTIONS): Define.
 247         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
 248         * config/rx/rx.c (rx_handle_option): Issue an error message if
 249         -mcpu=rx200 and -fpu are used together.
 250         (rx_set_optimization_options): New function.  Issue an error
 251         message if an optimization attribute attempts to reset the FPU/
 252         math optimization pairing.
 253         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
 254         * config/rx/rx.opt: Set the default to 32-bit doubles.
 255         * config/rx/t-rx: Add multilibs for -nofpu option.
 256         * doc/invoke.texi: Update documentation of RX options.
 257
 258 2010-01-06  Richard Guenther  <rguenther@suse.de>
 259
 260         * tree-ssa-pre.c (name_to_id): New global.
 261         (alloc_expression_id): Simplify SSA name handling.
 262         (lookup_expression_id): Likewise.
 263         (init_pre): Zero name_to_id.
 264         (fini_pre): Free it.
 265
 266 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
 267
 268         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
 269
 270 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
 271
 272         PR target/42542
 273         * config/i386/sse.md (smaxv2di3): New.
 274         (umaxv2di3): Likewise.
 275         (sminv2di3): Likewise.
 276         (uminv2di3): Likewise.
 277
 278 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 279
 280         PR target/42564
 281         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
 282         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
 283         (legitimize_tls_address): Likewise.
 284         (sparc_tls_referenced_p): Likewise.
 285         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
 286         and adjust calls to legitimize_pic_address.
 287         (legitimate_constant_p) Use sparc_tls_referenced_p.
 288         (legitimate_pic_operand_p): Likewise.
 289         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
 290         (sparc_tls_symbol_ref_1): Delete.
 291         (sparc_tls_referenced_p): Make static, recognize specific patterns.
 292         (legitimize_tls_address): Make static, handle CONST patterns.
 293         (legitimize_pic_address): Make static, remove unused parameter and
 294         adjust recursive calls.
 295         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
 296         and adjust call to legitimize_pic_address.
 297         (sparc_output_mi_thunk): Likewise.
 298
 299 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
 300             H.J. Lu  <hongjiu.lu@intel.com>
 301
 302         PR target/42542
 303         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
 304         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
 305         operands to make them signed.
 306
 307         Revert:
 308         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
 309
 310         PR target/42542
 311         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
 312         GTU to GT for V4SI and V2DI.
 313
 314         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
 315         (umin<mode>3): Removed.
 316         (uminv8hi3): New.
 317         (uminv4si3): Likewise.
 318
 319 2010-01-05  Martin Jambor  <mjambor@suse.cz>
 320
 321         PR tree-optimization/42462
 322         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
 323         current_function_decl to helper functions and macros.
 324
 325 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 326
 327         PR bootstrap/41771
 328         * flags.h: Don't include real.h.
 329         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
 330         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
 331         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
 332         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
 333         * dominance.c: Update copyright.
 334         * gimple.c (walk_gimple_op): Remove inline.
 335         * tree-ssa-reassoc.c: Include real.h.
 336         * Makefile.in (FLAGS_H): Remove $(REAL_H).
 337         (tree-ssa-reassoc.o): Depend on $(REAL_H).
 338
 339 2010-01-05  Nick Clifton  <nickc@redhat.com>
 340
 341         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
 342         register to push into the stack frame when the accumulator has to
 343         be saved during interrupts.
 344
 345 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
 346
 347         * doc/invoke.texi: Remove the documentation about option
 348         -Wunreachable-code.
 349         * common.opt (Wunreachable-code):  Preserved for backward
 350         compatibility.
 351         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
 352         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
 353         the backward compatibility flag section.
 354
 355 2010-01-05  Richard Guenther  <rguenther@suse.de>
 356
 357         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
 358
 359 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
 360
 361         PR other/42611
 362         * cfgexpand.c (expand_one_var): Diagnose too large variables.
 363
 364         PR tree-optimization/42508
 365         * tree-sra.c (convert_callers): Check for recursive call
 366         by comparing cgraph nodes instead of decls.
 367         (modify_function): Call ipa_modify_formal_parameters also
 368         on all same_body aliases.
 369
 370         * cgraphunit.c (cgraph_materialize_all_clones): Compare
 371         cgraph nodes when checking for same_body aliases.
 372
 373 2010-01-05  Richard Guenther  <rguenther@suse.de>
 374
 375         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
 376         allocation and lookup.
 377         (get_or_alloc_expr_for_constant): Likewise.
 378         (phi_translate): Sink allocation.
 379
 380 2010-01-04  Richard Guenther  <rguenther@suse.de>
 381
 382         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
 383         a new entry only if needed.
 384         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
 385         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
 386         hashtable lookup.
 387         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
 388         the result array.
 389         (phi_translate): Handle CONSTANTs early.
 390
 391 2010-01-04  Martin Jambor  <mjambor@suse.cz>
 392
 393         PR tree-optimization/42398
 394         * tree-sra.c (struct access): Removed flag grp_different_types.
 395         (dump_access): Do not dump the removed flag.
 396         (sort_and_splice_var_accesses): Do not set the removed flag.
 397         (sra_modify_expr): Check for type compatibility directly.
 398
 399 2010-01-04  Martin Jambor  <mjambor@suse.cz>
 400
 401         PR tree-optimization/42366
 402         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
 403         edges with variable number of parameters.
 404         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
 405         flag instead of asserting it.
 406         (ipa_read_node_info): Read uses_analysis_done flag.
 407
 408 2010-01-04  Richard Guenther  <rguenther@suse.de>
 409
 410         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
 411         iterative_hash_* as intended.
 412         (vn_reference_compute_hash): Likewise.  Simplify hashing
 413         SSA names.
 414         (vn_reference_lookup_2): Likewise.
 415         (vn_nary_op_compute_hash): Likewise.
 416         (vn_phi_compute_hash): Likewise.
 417         (expressions_equal_p): Remove strange code.
 418         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
 419         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
 420         (bitmap_insert_into_set_1): Take value-id as parameter.
 421         (add_to_value): Pass it.
 422         (bitmap_insert_into_set): Likewise.
 423         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
 424
 425 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
 426
 427         PR driver/42442
 428         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
 429         (do_self_spec): For switches with SWITCH_IGNORE set set also
 430         SWITCH_IGNORE_PERMANENTLY.
 431         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
 432         of SWITCH_IGNORE.
 433
 434 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
 435
 436         * lto-streamer-out.c (output_unreferenced_globals): Output the full
 437         tree of an unreferenced global var.
 438
 439 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
 440
 441         PR target/42542
 442         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
 443         GTU to GT for V4SI and V2DI.
 444
 445         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
 446         (umin<mode>3): Removed.
 447         (uminv8hi3): New.
 448         (uminv4si3): Likewise.
 449
 450 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
 451
 452         PR lto/42581
 453         * collect2.c (main): Turn on trace in collect2 if -v is passed
 454         to gcc with LTO.
 455
 456 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
 457
 458         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
 459         description of expression operand.
 460
 461 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
 462
 463         * configure.ac: Add install-html to target_list for Make-hooks.
 464         * configure: Regenerate.
 465         * fortran/Make-lang.in (F95_HTMLFILES): New.
 466         (fortran.html): Use it.
 467         (fortran.install-html): New.
 468         * Makefile.in (install-html): Add lang.install-html.
 469         * java/Make-lang.in (JAVA_HTMLFILES): New.
 470         (java.html): Use it.
 471         (java.install-html): New.
 472         * objc/Make-lang.in (objc.install-html): New.
 473         * objcp/Make-lang.in (obj-c++.install-html): New.
 474         * cp/Make-lang.in (c++.install-html): New.
 475         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
 476         * lto/Make-lang.in (lto.install-html): New.
 477
 478 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
 479
 480         PR lto/42520
 481         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
 482
 483 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
 484
 485         PR rtl-optimization/41862
 486         * store-motion.c (store_killed_in_insn, compute_store_table,
 487         remove_reachable_equiv_notes, replace_store_insn,
 488         build_store_vectors): Ignore all DEBUG_INSNs.
 489
 490 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
 491
 492         PR lto/41564
 493         * common.opt: Add dumpdir.
 494
 495         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
 496         isn't specified.
 497         (option_map): Add --dumpdir.
 498
 499         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
 500
 501         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
 502
 503         * opts.c (decode_options): Try dump_dir_name first if
 504         dump_base_name isn't an absolute path.
 505         (common_handle_option): Handle OPT_dumpdir.
 506
 507         * toplev.c (dump_dir_name): New.
 508         (print_switch_values): Also ignore -dumpdir.
 509
 510         * toplev.h (dump_dir_name): New.
 511
 512 2010-01-03  Richard Guenther  <rguenther@suse.de>
 513
 514         PR tree-optimization/42589
 515         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
 516         double-word expansion of bswap32.
 517
 518 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
 519
 520         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
 521         with BLOCK_FOR_INSN.
 522         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
 523         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
 524         noce_process_if_block): Likewise.
 525         * gcse.c (compute_local_properties, insert_expr_in_table,
 526         insert_set_in_table, canon_list_insert, find_avail_set,
 527         pre_insert_copy_insn): Likewise.
 528
 529         * basic-block.h (BLOCK_NUM): Move from here...
 530         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
 531
 532 2010-01-03  Richard Guenther  <rguenther@suse.de>
 533
 534         PR tree-optimization/42438
 535         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
 536         contains_may_not_return_call flag.
 537         (BB_MAY_NOTRETURN): New.
 538         (valid_in_sets): Trapping nary operations are not valid
 539         in blocks that may not return.
 540         (insert_into_preds_of_block): Remove check for trapping
 541         expressions.
 542         (compute_avail): Compute also BB_MAY_NOTRETURN.
 543
 544 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
 545
 546         * doc/invoke.texi: Add 2010 to copyright years.
 547
 548 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
 549
 550         * config/sparc/sparc.c: Fix formatting nits.
 551
 552 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
 553             Alexander Monakov  <amonakov@ispras.ru>
 554
 555         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
 556
 557 2010-01-02  Richard Guenther  <rguenther@suse.de>
 558
 559         PR middle-end/42577
 560         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
 561         (simplify_switch_using_ranges): Mark to be removed edges
 562         as non-executable.
 563
 564 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 565
 566         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
 567
 568         * collect2.c (scan_libraries): Add missing argument in call to
 569         scan_prog_file.
 570
 571 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
 572
 573         PR target/42448
 574         * config/alpha/predicates.md (aligned_memory_operand): Return false
 575         for CQImode.
 576         (unaligned_memory_operand): Return true for CQImode.
 577         * config/alpha/alpha.c (get_aligned_mem): Assert that location
 578         doesn not cross aligned SImode word boundary.
 579
 580 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
 581
 582         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
 583         Remove.
 584         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
 585         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
 586
 587 2010-01-02  Richard Guenther  <rguenther@suse.de>
 588
 589         PR lto/41597
 590         * toplev.c (compile_file): Emit LTO marker properly.  Change
 591         it to __gnu_lto_v1.
 592         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
 593
 594 2010-01-01  Richard Guenther  <rguenther@suse.de>
 595
 596         PR debug/42455
 597         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
 598
 599 2010-01-01  Richard Guenther  <rguenther@suse.de>
 600
 601         PR c/42570
 602         * c-decl.c (grokdeclarator): For zero-size arrays force
 603         structural equality checks as layout_type does.
 604
 605 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
 606
 607         * builtins.c: Update copyright to 2010.
 608
 609 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
 610
 611         PR lto/42531
 612         * lto-streamer-out.c (produce_asm): Revert the last change.
 613         (copy_function): Likewise.
 614
 615         * lto-streamer.c (lto_get_section_name): Skip any leading
 616         asterisk in name.
 617
 618 2010-01-01  Richard Guenther  <rguenther@suse.de>
 619
 620         PR middle-end/42559
 621         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
 622         for LABEL_DECLs.
 623
 624 \f
 625 Copyright (C) 2010 Free Software Foundation, Inc.
 626
 627 Copying and distribution of this file, with or without modification,
 628 are permitted in any medium without royalty provided the copyright
 629 notice and this notice are preserved.