gcc/ChangeLog

   1 2013-01-17  Georg-Johann Lay  <avr@gjlay.de>
   2
   3         * config/avr/builtins.def (DEF_BUILTIN): Factor out
   4         "__builtin_avr_" from NAME, turn NAME to an uppercase identifier.
   5         Factor out 'CODE_FOR_' from ICODE, use 'nothing' instead of '-1'.
   6         Remove ID.  Adjust comments.
   7         * config/avr/avr-c.c (avr_builtin_name): Remove.
   8         (avr_cpu_cpp_builtins): Use DEF_BUILTIN instead of for-loop.
   9         * config/avr/avr.c (avr_tolower): New static function.
  10         (DEF_BUILTIN): Remove parameter ID.  Prefix ICODE by 'CODE_FOR_'.
  11         Stringify NAME, prefix it with "__builtin_avr_" and lowercase it.
  12         (avr_expand_builtin): Assert insn_code != CODE_FOR_nothing for
  13         default expansion.
  14
  15 2013-01-17  Jan Hubicka  <jh@suse.cz>
  16
  17         PR tree-optimization/55273
  18         * loop-iv.c (iv_number_of_iterations): Consider zero iteration case.
  19
  20 2012-01-17  Uros Bizjak  <ubizjak@gmail.com>
  21
  22         PR target/55981
  23         * config/i386/sync.md (atomic_store<mode>): Always generate SWImode
  24         store through atomic_store<mode>_1.
  25         (atomic_store<mode>_1): Macroize insn using SWI mode iterator.
  26
  27 2013-01-17  Martin Jambor  <mjambor@suse.cz>
  28
  29         PR tree-optimizations/55264
  30         * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
  31         for virtual methods.
  32         * ipa.c (symtab_remove_unreachable_nodes): Never return true for
  33         virtual methods before inlining is over.
  34         * cgraph.h (cgraph_only_called_directly_or_aliased_p): Return false for
  35         virtual functions.
  36         * cgraphclones.c (cgraph_create_virtual_clone): Mark clones as
  37         non-virtual.
  38
  39 2013-01-16  Vladimir Makarov  <vmakarov@redhat.com>
  40
  41         PR rtl-optimization/56005
  42         * sched-deps.c (sched_analyze_2): Check deps->readonly for adding
  43         pending reads for prefetch.
  44
  45 2013-01-16  Ian Bolton  <ian.bolton@arm.com>
  46
  47         * gcc/config/aarch64/aarch64.md
  48         (*cstoresi_neg_uxtw): New pattern.
  49         (*cmovsi_insn_uxtw): New pattern.
  50         (*<optab>si3_uxtw): New pattern.
  51         (*<LOGICAL:optab>_<SHIFT:optab>si3_uxtw): New pattern.
  52         (*<optab>si3_insn_uxtw): New pattern.
  53         (*bswapsi2_uxtw): New pattern.
  54
  55 2013-01-16  Richard Biener  <rguenther@suse.de>
  56
  57         * tree-inline.c (tree_function_versioning): Remove set but
  58         never used variable.
  59
  60 2013-01-16  Richard Biener  <rguenther@suse.de>
  61
  62         PR tree-optimization/55964
  63         * tree-flow.h (rename_variables_in_loop): Remove.
  64         (rename_variables_in_bb): Likewise.
  65         * tree-loop-distribution.c (update_phis_for_loop_copy): Remove.
  66         (copy_loop_before): Adjust and delete update-ssa status.
  67         * tree-vect-loop-manip.c (rename_variables_in_bb): Make static.
  68         (rename_variables_in_bb): Likewise.  Properly walk over predecessors.
  69         (rename_variables_in_loop): Remove.
  70         (slpeel_update_phis_for_duplicate_loop): Likewise.
  71         (slpeel_tree_duplicate_loop_to_edge_cfg): Handle nested loops,
  72         use available cfg machinery instead of duplicating it.
  73         Update PHI nodes and perform poor-mans SSA update here.
  74         (slpeel_tree_peel_loop_to_edge): Adjust.
  75
  76 2013-01-16  Richard Biener  <rguenther@suse.de>
  77
  78         PR tree-optimization/54767
  79         PR tree-optimization/53465
  80         * tree-vrp.c (vrp_meet_1): Revert original fix for PR53465.
  81         (vrp_visit_phi_node): For PHI arguments coming via backedges
  82         drop all symbolical range information.
  83         (execute_vrp): Compute backedges.
  84
  85 2013-01-16  Richard Biener  <rguenther@suse.de>
  86
  87         * doc/install.texi: Update CLooG and ISL requirements to
  88         0.18.0 and 0.11.1.
  89
  90 2013-01-16  Christian Bruel  <christian.bruel@st.com>
  91
  92         PR target/55301
  93         * config/sh/sh.c (sh_expand_prologue): Postpone new_stack mem symbol.
  94         (broken_move): Handle UNSPECV_SP_SWITCH_B.
  95         * config/sh/sh.md (sp_switch_1): Use set (reg:SI SP_REG).
  96
  97 2013-01-16  DJ Delorie  <dj@redhat.com>
  98
  99         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
 100         (UNSPECV_SP_SWITCH_E): New.
 101         (sp_switch_1): Change to an unspec.
 102         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
 103         replace $r15.
 104
 105 2013-01-16  Uros Bizjak  <ubizjak@gmail.com>
 106
 107         * emit-rtl.c (need_atomic_barrier_p): Mask memory model argument
 108         with MEMMODEL_MASK before comparing with MEMMODEL_* memory types.
 109         * optabs.c (maybe_emit_sync_lock_test_and_set): Ditto.
 110         (expand_mem_thread_fence): Ditto.
 111         (expand_mem_signal_fence): Ditto.
 112         (expand_atomic_load): Ditto.
 113         (expand_atomic_store): Ditto.
 114
 115 2013-01-16  Alexandre Oliva <aoliva@redhat.com>
 116
 117         PR rtl-optimization/55547
 118         PR rtl-optimization/53827
 119         PR debug/53671
 120         PR debug/49888
 121         * alias.c (memrefs_conflict_p): Set sizes to negative after
 122         AND adjustments.
 123
 124 2013-01-15  Jakub Jelinek  <jakub@redhat.com>
 125
 126         PR target/55940
 127         * function.c (thread_prologue_and_epilogue_insns): Always
 128         add crtl->drap_reg to set_up_by_prologue.set, even if
 129         stack_realign_drap is false.
 130
 131 2013-01-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
 132
 133         * config/vax/vax.md (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3,
 134         and<mode>3, *and<mode>_const_int, ior<mode>3, xor<mode>3, ashrsi3,
 135         *call): Fix indention.
 136
 137 2013-01-15  Tom de Vries  <tom@codesourcery.com>
 138
 139         PR target/55876
 140         * optabs.c (widen_operand): Use gen_lowpart instead of gen_rtx_SUBREG.
 141         Update comment.
 142
 143 2013-01-15  Vladimir Makarov  <vmakarov@redhat.com>
 144
 145         PR rtl-optimization/55153
 146         * sched-deps.c (sched_analyze_2): Add pending reads for prefetch.
 147
 148 2013-01-15  Martin Jambor  <mjambor@suse.cz>
 149
 150         PR tree-optimization/55920
 151         * tree-sra.c (analyze_access_subtree): Do not mark non-removable
 152         accesses as grp_to_be_debug_replaced.
 153
 154 2013-01-15  Jakub Jelinek  <jakub@redhat.com>
 155
 156         PR tree-optimization/55920
 157         * tree-sra.c (sra_modify_assign): If for lacc->grp_to_be_debug_replaced
 158         there is non-useless type conversion needed from debug rhs to lhs,
 159         use build_debug_ref_for_model and/or VIEW_CONVERT_EXPR.
 160
 161 2013-01-15  Joseph Myers  <joseph@codesourcery.com>
 162             Mikael Pettersson  <mikpe@it.uu.se>
 163
 164         PR target/43961
 165         * config/arm/arm.h (ADDR_VEC_ALIGN): Align SImode jump tables for
 166         Thumb.
 167         (ASM_OUTPUT_CASE_LABEL): Remove.
 168         (ASM_OUTPUT_BEFORE_CASE_LABEL): Define to empty.
 169         * final.c (shorten_branches): Update alignment of labels before
 170         jump tables if CASE_VECTOR_SHORTEN_MODE.
 171
 172 2013-01-15  Richard Biener  <rguenther@suse.de>
 173
 174         PR bootstrap/55961
 175         * system.h: Do not include gmp.h for building host tools.
 176
 177 2013-01-15  Richard Biener  <rguenther@suse.de>
 178
 179         PR middle-end/55882
 180         * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
 181         account for bitpos when computing alignment.
 182
 183 2013-01-15  Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>
 184
 185         * config/i386/i386-c.c (ix86_target_macros_internal): New case.
 186         (ix86_target_macros_internal): Likewise.
 187
 188         * config/i386/i386.c (m_CORE2I7): Removed.
 189         (m_CORE_HASWELL): New macro.
 190         (m_CORE_ALL): Likewise.
 191         (initial_ix86_tune_features): m_CORE2I7 is replaced by m_CORE_ALL.
 192         (initial_ix86_arch_features): Likewise.
 193         (processor_target_table): Initializations for Core avx2.
 194         (cpu_names): New names "core-avx2".
 195         (ix86_option_override_internal): Changed PROCESSOR_COREI7 by
 196         PROCESSOR_CORE_HASWELL.
 197         (ix86_issue_rate): New case.
 198         (ia32_multipass_dfa_lookahead): Likewise.
 199         (ix86_sched_init_global): Likewise.
 200
 201         * config/i386/i386.h (TARGET_HASWELL): New macro.
 202         (target_cpu_default): New TARGET_CPU_DEFAULT_haswell.
 203         (processor_type): New PROCESSOR_HASWELL.
 204
 205 2013-01-15  Jakub Jelinek  <jakub@redhat.com>
 206
 207         PR tree-optimization/55955
 208         * tree-vect-loop.c (vectorizable_reduction): Give up early on
 209         *SHIFT_EXPR and *ROTATE_EXPR codes.
 210
 211         PR tree-optimization/48766
 212         * opts.c (common_handle_option): For -fwrapv disable -ftrapv, for
 213         -ftrapv disable -fwrapv.
 214
 215 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 216
 217         PR target/55974
 218         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
 219         etc. to 1 and not to __flash.
 220         Use LL suffix for __INT24_MAX__ with -mint8.
 221         Use ULL suffix for __UINT24_MAX__ with -mint8.
 222
 223 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 224
 225         * config/avr/avr-arch.h
 226         (struct base_arch_s): Use typedef avr_arch_t instead.
 227         (struct arch_info_s): Use typedef avr_arch_info_t instead.
 228         (struct mcu_type_s): Use typedef avr_mcu_t instead.
 229         * config/avr/avr.c: Same.
 230         * config/avr/avr-devices.c: Same.
 231         * config/avr/driver-avr.c: Same.
 232         * config/avr/gen-avr-mmcu-texi.c: Same.
 233         * config/avr/avr-mcus.def: Adjust comment.
 234
 235 2013-01-14  Tejas Belagod  <tejas.belagod@arm.com>
 236
 237         * config/aarch64/aarch64-simd.md (*aarch64_simd_ld1r<mode>): New.
 238         * config/aarch64/iterators.md (VALLDI): New.
 239
 240 2012-01-14  Uros Bizjak  <ubizjak@gmail.com>
 241             Andi Kleen  <ak@linux.intel.com>
 242
 243         PR target/55948
 244         * config/i386/sync.md (atomic_store<mode>_1): New pattern.
 245         (atomic_store<mode>): Call atomic_store<mode>_1 for IX86_HLE_RELEASE
 246         memmodel flag.
 247
 248 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 249
 250         * config/avr/avr-stdint.h: Remove trailing blanks.
 251         * config/avr/avr-log.h: Same.
 252         * config/avr/avr-arch.h: Same.
 253         * config/avr/avr-devices.c: Same.
 254         * config/avr/avr-dimode.md: Same.
 255         * config/avr/predicates.md: Same.
 256         * config/avr/avr-c.c: Same.  And fix typo.
 257
 258         * config/avr/avr-protos.h: Same.  And:
 259         (function_arg_regno_p): Rename to avr_function_arg_regno_p.
 260         (init_cumulative_args): Rename to avr_init_cumulative_args.
 261         (expand_prologue): Rename to avr_expand_prologue.
 262         (expand_epilogue): Rename to avr_expand_epilogue.
 263         (adjust_insn_length): Rename to avr_adjust_insn_length.
 264         (notice_update_cc): Rename to avr_notice_update_cc.
 265         (final_prescan_insn): Rename to avr_final_prescan_insn.
 266         * config/avr/avr.c: Same.
 267         * config/avr/avr.h: Same.
 268         * config/avr/avr.md: Remove trailing blanks.
 269         (prologue): Use avr_expand_prologue.
 270         (epilogue, sibcall_epilogue): Use avr_expand_epilogue.
 271
 272 2013-01-14  Richard Biener  <rguenther@suse.de>
 273
 274         * tree-cfg.c (verify_expr_location, verify_expr_location_1,
 275         verify_location, collect_subblocks): New functions.
 276         (verify_gimple_in_cfg): Verify that locations only reference
 277         BLOCKs in the functions BLOCK tree.
 278
 279 2013-01-14  Richard Biener  <rguenther@suse.de>
 280
 281         * tree-cfgcleanup.c (remove_forwarder_block): Unshare propagated
 282         PHI argument.
 283         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Properly
 284         unshare reference.
 285         (insert_out_of_ssa_copy_on_edge): Likewise.
 286         (rewrite_close_phi_out_of_ssa): Likewise.
 287         * tree-ssa.c (insert_debug_temp_for_var_def): Properly unshare
 288         debug expressions.
 289         * tree-ssa-pre.c (insert_into_preds_of_block): Properly unshare
 290         propagated constants.
 291         * tree-cfg.c (tree_node_can_be_shared): Handled component-refs
 292         can not be shared.
 293
 294 2013-01-14  Georg-Johann Lay  <avr@gjlay.de>
 295
 296         * config/avr/avr-modes.def: Add GPL copyright notice.
 297
 298 2013-01-13  Uros Bizjak  <ubizjak@gmail.com>
 299
 300         * config/i386/sync.md (mem_thread_fence): Mask operands[0] with
 301         MEMMODEL_MASK to determine memory model.
 302         (atomic_store<mode>): Ditto from operands[2].
 303         * config/i386/i386.c (ix86_memmodel_check): Declare "strong" as bool.
 304
 305 2013-01-13  Jakub Jelinek  <jakub@redhat.com>
 306
 307         PR fortran/55935
 308         * gimple-fold.c (get_symbol_constant_value): Call unshare_expr.
 309         (fold_gimple_assign): Don't call unshare_expr here.
 310         (fold_ctor_reference): Call unshare_expr.
 311
 312 2013-01-13  Terry Guo  <terry.guo@arm.com>
 313
 314         * gcc/Makefile.in (s-mlib): New argument MULTILIB_REUSE.
 315         * gcc/doc/fragments.texi: Document MULTILIB_REUSE.
 316         * gcc/gcc.c (multilib_reuse): New internal spec.
 317         (set_multilib_dir): Also search multilib from multilib_reuse.
 318         * gcc/genmultilib (tmpmultilib3): Refactor code.
 319         (tmpmultilib4): Ditto.
 320         (multilib_reuse): New multilib argument.
 321
 322 2013-01-13  Richard Sandiford  <rdsandiford@googlemail.com>
 323
 324         * Makefile.in: Update copyright.
 325
 326 2013-01-12  Tom de Vries  <tom@codesourcery.com>
 327
 328         PR middle-end/55890
 329         * calls.c (expand_call): Check if arg_nr is valid.
 330
 331 2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
 332
 333         * doc/extend.texi (X86 Built-in Functions): Add whitespace in
 334         __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
 335         documentation.  Add missing '__' in front of
 336         __builtin_ia32_packssdw256.
 337
 338 2013-01-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 339
 340         PR target/55719
 341         * config/s390/s390.c (s390_preferred_reload_class): Do not return
 342         NO_REGS for larl operands.
 343         (s390_reload_larl_operand): Use s390_load_address instead of
 344         emit_move_insn.
 345
 346 2013-01-11  Richard Biener  <rguenther@suse.de>
 347
 348         * tree-cfg.c (verify_node_sharing_1): Split out from ...
 349         (verify_node_sharing): ... here.
 350         (verify_gimple_in_cfg): Use verify_node_sharing_1 for walk_tree.
 351
 352 2013-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 353
 354         * configure.ac (Tree checking): Set TREECHECKING to yes if enabled.
 355         Substitute TREECHECKING.
 356         * configure: Regenerate.
 357         * Makefile.in (TREECHECKING): New.
 358
 359 2012-01-11  Richard Guenther  <rguenther@suse.de>
 360
 361         PR tree-optimization/44061
 362         * tree-vrp.c (extract_range_basic): Compute zero as
 363         value-range for __builtin_constant_p of function parameters.
 364
 365 2013-01-10  Richard Sandiford  <rdsandiford@googlemail.com>
 366
 367         Update copyright years.
 368
 369 2013-01-10  Vladimir Makarov  <vmakarov@redhat.com>
 370
 371         PR rtl-optimization/55672
 372         * lra-eliminations.c (mark_not_eliminable): Permit addition with
 373         const to be eliminable.
 374
 375 2013-01-10  David Edelsohn  <dje.gcc@gmail.com>
 376
 377         * configure.ac (HAVE_AS_TLS): Add check for powerpc-ibm-aix.
 378         * configure: Regenerate.
 379
 380 2013-01-10  Richard Biener  <rguenther@suse.de>
 381
 382         * builtins.c (expand_builtin_init_trampoline): Use set_mem_attributes.
 383
 384 2013-01-10  Richard Biener  <rguenther@suse.de>
 385
 386         PR bootstrap/55792
 387         * tree-into-ssa.c (rewrite_add_phi_arguments): Do not set
 388         locations for virtual PHI arguments.
 389         (rewrite_update_phi_arguments): Likewise.
 390
 391 2013-01-10  Joel Sherrill  <joel.sherrill@OARcorp.com>
 392
 393         * config/v850/rtems.h (ASM_SPEC): Pass -m8byte-align and -mgcc-abi
 394         on to assembler.
 395
 396 2013-01-10  Jakub Jelinek  <jakub@redhat.com>
 397
 398         PR tree-optimization/55921
 399         * tree-complex.c (expand_complex_asm): New function.
 400         (expand_complex_operations_1): Call it for GIMPLE_ASM.
 401
 402 2013-01-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 403
 404         PR target/55718
 405         * config/s390/s390.c (s390_symref_operand_p)
 406         (s390_loadrelative_operand_p): Merge the two functions.
 407         (s390_check_qrst_address, print_operand_address): Add parameters
 408         to s390_loadrelative_operand_p invokation.
 409         (s390_check_symref_alignment): Use s390_loadrelative_operand_p.
 410         (s390_reload_larl_operand, s390_secondary_reload): Use
 411         s390_loadrelative_operand_p instead of s390_symref_operand_p.
 412         (legitimize_pic_address): Handle @GOTENT and @PLT + addend.
 413
 414 2013-01-09  Mike Stump  <mikestump@comcast.net>
 415
 416         * dse.c (record_store): Remove unnecessary assert.
 417
 418 2013-01-09  Jan Hubicka  <jh@suse.cz>
 419
 420         PR tree-optimization/55569
 421         * cfgloopmanip.c (scale_loop_profile): Make ITERATION_BOUND gcov_type.
 422         * cfgloop.h (scale_loop_profile): Likewise.
 423
 424 2013-01-09  Jan Hubicka  <jh@suse.cz>
 425
 426         PR lto/45375
 427         * ipa-inline.c (ipa_inline): Remove extern inlines and virtual
 428         functions.
 429         * cgraphclones.c (cgraph_clone_node): Cpoy also LTO file data.
 430
 431 2013-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 432
 433         PR middle-end/55114
 434         * expr.h (maybe_emit_group_store): Declare.
 435         * expr.c (maybe_emit_group_store): New function.
 436         * builtins.c (expand_builtin_int_roundingfn): Call it.
 437         (expand_builtin_int_roundingfn_2): Likewise.
 438
 439 2013-01-09  Vladimir Makarov  <vmakarov@redhat.com>
 440
 441         PR rtl-optimization/55829
 442         * lra-constraints.c (match_reload): Add code for absent output.
 443         (curr_insn_transform): Add code for reloads of matched inputs
 444         without output.
 445
 446 2013-01-09  Uros Bizjak  <ubizjak@gmail.com>
 447
 448         * config/i386/sse.md (*vec_interleave_highv2df): Change mode
 449         attribute of movddup insn to DF.
 450         (*vec_interleave_lowv2df): Ditto.
 451         (vec_dupv2df): Ditto.
 452
 453 2013-01-09  Jan Hubicka  <jh@suse.cz>
 454
 455         PR tree-optimiation/55875
 456         * tree-ssa-loop-niter.c (number_of_iterations_cond): Add
 457         EVERY_ITERATION parameter.
 458         (number_of_iterations_exit): Check if exit is executed every iteration.
 459         (idx_infer_loop_bounds): Similarly here.
 460         (n_of_executions_at_most): Simplify
 461         to only test for cases where statement is dominated by the
 462         particular bound; handle correctly the "postdominance" test.
 463         (scev_probably_wraps_p): Use max loop iterations info
 464         as a global bound first.
 465
 466 2013-01-09  Nguyen Duy Dat  <dat.nguyen.yn@rvc.renesas.com>
 467             Nick Clifton  <nickc@redhat.com>
 468
 469         * config/v850/v850.md (cbranchsf4): New pattern.
 470         (cstoresf4): New pattern.
 471         (cbranchdf4): New pattern.
 472         (cstoredf4): New pattern.
 473         (movsicc): Disallow floating point comparisons.
 474         (cmpsf_le_insn): Fix order of operators.
 475         (cmpsf_lt_insn): Likewise.
 476         (cmpsf_eq_insn): Likewise.
 477         (cmpdf_le_insn): Likewise.
 478         (cmpdf_lt_insn): Likewise.
 479         (cmpdf_eq_insn): Likewise.
 480         (cmpsf_ge_insn): Use LE comparison.
 481         (cmpdf_ge_insn): Likewise.
 482         (cmpsf_gt_insn): Use LT comparison.
 483         (cmpdf_gt_insn): Likewise.
 484         (cmpsf_ne_insn): Delete pattern.
 485         (cmpdf_ne_insn): Delete pattern.
 486         * config/v850/v850.c (v850_gen_float_compare): Use
 487         gen_cmpdf_eq_insn for NE comparison.
 488         (v850_float_z_comparison_operator)
 489         (v850_float_nz_comparison_operator): Move from here ...
 490         * config/v850/predicates.md: ... to here.  Move GT and GE
 491         comparisons into v850_float_z_comparison_operator.
 492         * config/v850/v850-protos.h (v850_float_z_comparison_operator):
 493         Delete prototype.
 494         (v850_float_nz_comparison_operator): Likewise.
 495
 496 2013-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 497
 498         * config/pa/pa.c (pa_emit_move_sequence): Replace calls to gen_insv
 499         with calls to gen_insvsi/gen_insvdi.
 500
 501 2013-01-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 502
 503         * config/i386/i386.c (initial_ix86_tune_features): Set up
 504         X86_TUNE_AVX128_OPTIMAL for m_BTVER2.
 505
 506 2013-01-09  Steven Bosscher  <steven@gcc.gnu.org>
 507             Jakub Jelinek  <jakub@redhat.com>
 508
 509         PR tree-optimization/48189
 510         * predict.c (predict_loops): If max is 0, don't call compare_tree_int.
 511         If nitercst is 0, don't predict the exit edge.
 512
 513 2013-01-08   Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>
 514
 515         * config/aarch64/aarch64.c (aarch64_print_operand): Replace %r
 516         in asm_fprintf with reg_names.
 517         (aarch64_print_operand_address): Likewise.
 518         (aarch64_return_addr): Likewise.
 519         * config/aarch64/aarch64.h (ASM_FPRINTF_EXTENSIONS): Remove.
 520
 521 2013-01-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 522
 523         * config/pa/pa.h (VAL_U6_BITS_P): Define.
 524         (INT_U6_BITS): Likewise.
 525         * config/pa/predicates.md (uint6_operand): New predicate.
 526         (shift5_operand, shift6_operand): Likewise.
 527         * config/pa/pa.md (lshrsi3, rotrsi3): Use shift5_operand instead of
 528         arith32_operand.
 529         (lshrdi3): Use shift6_operand.
 530         (shrpsi4, shrpdi4): New insn patterns.
 531         (extzv): Delete expander.
 532         (extzvsi, extzvdi): New expanders.  Use uint5_operand and uint6_operand
 533         predicates in unamed zero extract patterns.  Tighten common constraint.
 534         (extv): Delete expander.
 535         (extvsi, extvdi): New expanders.  Use uint5_operand and uint6_operand
 536         predicates in unamed sign extract patterns.  Tighten common constraint.
 537         (insv): Delete expander.
 538         (insvsi, insvdi): New expanders.  Use uint5_operand and uint6_operand
 539         predicates in unamed insert patterns.  Tighten common constraint.
 540         Change uint32_operand predicate to uint6_operand predicate in unamed
 541         DImode pattern to insert constant values of type 1...1xxxx.
 542
 543 2013-01-04  Jan Hubicka  <jh@suse.cz>
 544
 545         PR tree-optimization/55823
 546         * ipa-prop.c (update_indirect_edges_after_inlining): Fix ordering
 547         issue.
 548
 549 2012-01-08  Jakub Jelinek  <jakub@redhat.com>
 550             Uros Bizjak  <ubizjak@gmail.com>
 551
 552         PR rtl-optimization/55845
 553         * df-problems.c (can_move_insns_across): Stop scanning at
 554         volatile_insn_p source instruction or give up if
 555         across_from .. across_to range contains any volatile_insn_p
 556         instructions.
 557
 558 2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>
 559
 560         * config/aarch64/aarch64-simd.md (vec_init<mode>): New.
 561         * config/aarch64/aarch64-protos.h (aarch64_expand_vector_init):
 562         Declare.
 563         * config/aarch64/aarch64.c (aarch64_simd_dup_constant,
 564         aarch64_simd_make_constant, aarch64_expand_vector_init): New.
 565
 566 2013-01-08  Jakub Jelinek  <jakub@redhat.com>
 567
 568         PR fortran/55341
 569         * asan.c (asan_clear_shadow): New function.
 570         (asan_emit_stack_protection): Use it.
 571
 572 2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>
 573
 574         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_<su>mult_lo_<mode>,
 575         aarch64_simd_vec_<su>mult_hi_<mode>): Separate instruction and operand
 576         with tab instead of space.
 577
 578 2013-01-08  Nick Clifton  <nickc@redhat.com>
 579
 580         * config/rl78/rl78.c (rl78_expand_prologue): Always select
 581         register bank 0 at the start of an interrupt handler.
 582         * config/rl78/rl78.md (mulsi3_g13): Correct values for MDBL and
 583         MDBH registers.
 584
 585 2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>
 586
 587         * config/aarch64/aarch64-simd.md
 588         (aarch64_simd_bsl<mode>_internal): Add floating-point modes.
 589         (aarch64_simd_bsl): Likewise.
 590         (aarch64_vcond_internal<mode>): Likewise.
 591         (vcond<mode><mode>): Likewise.
 592         (aarch64_cm<cmp><mode>): Fix constraints, add new modes.
 593         * config/aarch64/iterators.md (V_cmp_result): Add V2DF.
 594
 595 2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>
 596
 597         * config/aarch64/aarch64-builtins.c
 598         (aarch64_builtin_vectorized_function): Handle sqrt, sqrtf.
 599
 600 2013-01-08  Martin Jambor  <mjambor@suse.cz>
 601
 602         PR debug/55579
 603         * tree-sra.c (analyze_access_subtree): Return true also after
 604         potentially creating a debug-only replacement.
 605
 606 2013-01-08  Jakub Jelinek  <jakub@redhat.com>
 607
 608         PR middle-end/55890
 609         * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_p.
 610
 611         PR tree-optimization/54120
 612         * tree-vrp.c (range_fits_type_p): Don't allow
 613         src_precision < precision from signed vr to unsigned_p
 614         if vr->min or vr->max is negative.
 615         (simplify_float_conversion_using_ranges): Test can_float_p
 616         against CODE_FOR_nothing.
 617
 618 2013-01-08  Jakub Jelinek  <jakub@redhat.com>
 619             Richard Biener  <rguenther@suse.de>
 620
 621         PR middle-end/55851
 622         * fold-const.c (int_binop_types_match_p): Allow all INTEGRAL_TYPE_P
 623         types instead of just INTEGER_TYPE types.
 624
 625 2013-01-07  Mark Kettenis  <kettenis@openbsd.org>
 626
 627         * config/i386/openbsdelf.h (LIBGCC2_HAS_TF_MODE, LIBGCC2_TF_CEXT,
 628         TF_SIZE): Define.
 629
 630 2013-01-07  Steve Ellcey  <sellcey@mips.com>
 631
 632         PR target/42661
 633         * config/mips/mips.opt: Change mad to mmad to match documentation.
 634
 635 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
 636
 637         PR target/55897
 638         * doc/extend.texi (AVR Named Address Spaces): __memx goes into
 639         .progmemx.data now.
 640
 641 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
 642
 643         PR target/55897
 644         * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
 645         (avr_addrspace_t): Add .section_name field.
 646         * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
 647         array size.
 648         (avr_addrspace): Same.  Initialize .section_name.  Remove last
 649         NULL entry.  Put __memx into .progmemx.data.
 650         (progmem_section_prefix): Remove.
 651         (avr_asm_init_sections): No need to initialize progmem_section.
 652         (avr_asm_named_section): Use avr_addrspace[].section_name to get
 653         section name prefix.
 654         (avr_asm_select_section): Ditto.  And use get_unnamed_section to
 655         retrieve the progmem section.
 656         * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
 657         boundary to run over avr_addrspace[].
 658         (avr_register_target_pragmas): Ditto.
 659
 660 2013-01-06  Jakub Jelinek  <jakub@redhat.com>
 661
 662         * varasm.c (output_constant_def_contents): For asan_protect_global
 663         protected strings, adjust DECL_ALIGN if needed, before testing for
 664         anchored symbols.
 665         (place_block_symbol): Adjust size for asan protected STRING_CSTs if
 666         TREE_CONSTANT_POOL_ADDRESS_P.  Increase alignment for asan protected
 667         normal decls.
 668         (output_object_block): For asan protected decls, emit asan padding
 669         after their contents.
 670         * asan.c (asan_protect_global): Don't check TREE_ASM_WRITTEN here.
 671         (asan_finish_file): Test it here instead.
 672
 673 2013-01-07   Nick Clifton  <nickc@redhat.com>
 674              Matthias Klose <doko@debian.org>
 675              Doug Kwan  <dougkwan@google.com>
 676              H.J. Lu  <hongjiu.lu@intel.com>
 677
 678         PR driver/55470
 679         * collect2.c (main): Support -fuse-ld=bfd and -fuse-ld=gold.
 680
 681         * common.opt: Add fuse-ld=bfd and fuse-ld=gold.
 682
 683         * gcc.c (LINK_COMMAND_SPEC): Pass -fuse-ld=* to collect2.
 684
 685         * opts.c (comman_handle_option): Ignore -fuse-ld=bfd and -fuse-ld=gold.
 686
 687         * doc/invoke.texi: Document -fuse-ld=bfd and -fuse-ld=gold.
 688
 689 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
 690
 691         PR target/54461
 692         * doc/install.texi (Cross-Compiler-Specific Options): Document
 693         --with-avrlibc.
 694
 695 2013-01-07  Tejas Belagod  <tejas.belagod@arm.com>
 696
 697         * config/aarch64/arm_neon.h (vmovn_high_is16, vmovn_high_s32,
 698         vmovn_high_s64, vmovn_high_u16, vmovn_high_u32, vmovn_high_u64,
 699         vqmovn_high_s16, vqmovn_high_s32, vqmovn_high_s64, vqmovn_high_u16,
 700         vqmovn_high_u32, vqmovn_high_u64, vqmovun_high_s16, vqmovun_high_s32,
 701         vqmovun_high_s64): Fix source operand number and update copyright.
 702
 703 2013-01-07  Richard Biener  <rguenther@suse.de>
 704
 705         PR middle-end/55890
 706         * gimple.h (gimple_call_builtin_p): New overload.
 707         * gimple.c (validate_call): New function.
 708         (gimple_call_builtin_p): Likewise.
 709         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
 710         Use gimple_call_builtin_p.
 711         (find_func_clobbers): Likewise.
 712         * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
 713         (strlen_optimize_stmt): Likewise.
 714
 715 2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>
 716
 717         * config/aarch64/arm_neon.h (vld1_dup_*): Make argument const.
 718         (vld1q_dup_*): Likewise.
 719         (vld1_*): Likewise.
 720         (vld1q_*): Likewise.
 721         (vld1_lane_*): Likewise.
 722         (vld1q_lane_*): Likewise.
 723
 724 2013-01-07  Richard Biener  <rguenther@suse.de>
 725
 726         * lto-streamer.h (LTO_minor_version): Bump to 2.
 727
 728 2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>
 729
 730         * config/aarch64/aarch64-protos.h
 731         (aarch64_const_double_zero_rtx_p): Rename to...
 732         (aarch64_float_const_zero_rtx_p): ...this.
 733         (aarch64_float_const_representable_p): New.
 734         (aarch64_output_simd_mov_immediate): Likewise.
 735         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>): Refactor
 736         move immediate case.
 737         * config/aarch64/aarch64.c
 738         (aarch64_const_double_zero_rtx_p): Rename to...
 739         (aarch64_float_const_zero_rtx_p): ...this.
 740         (aarch64_print_operand): Allow printing of new constants.
 741         (aarch64_valid_floating_const): New.
 742         (aarch64_legitimate_constant_p): Check for valid floating-point
 743         constants.
 744         (aarch64_simd_valid_immediate): Likewise.
 745         (aarch64_vect_float_const_representable_p): New.
 746         (aarch64_float_const_representable_p): Likewise.
 747         (aarch64_simd_imm_zero_p): Also allow for floating-point 0.0.
 748         (aarch64_output_simd_mov_immediate): New.
 749         * config/aarch64/aarch64.md (*movsf_aarch64): Add new alternative.
 750         (*movdf_aarch64): Likewise.
 751         * config/aarch64/constraints.md (Ufc): New.
 752         (Y): call aarch64_float_const_zero_rtx.
 753         * config/aarch64/predicates.md (aarch64_fp_compare_operand): New.
 754
 755 2013-01-07  Richard Biener  <rguenther@suse.de>
 756
 757         PR tree-optimization/55888
 758         PR tree-optimization/55862
 759         * tree-ssa-pre.c (phi_translate_1): Revert previous change.
 760         (valid_in_sets): Check if a NAME has a leader in AVAIL_OUT,
 761         not if it is contained therein.
 762
 763 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
 764
 765         * config/avr/t-avr: Typo.
 766
 767 2013-01-07  Georg-Johann Lay  <avr@gjlay.de>
 768
 769         PR55243
 770         * config/avr/t-avr: Don't automatically rebuild
 771         $(srcdir)/config/avr/t-multilib
 772         $(srcdir)/config/avr/avr-tables.opt
 773         $(srcdir)/doc/avr-mmcu.texi
 774         (avr-mcus): New phony target to build them on request.
 775         (s-avr-mlib, s-avr-mmcu-texi): Remove.
 776         * avr/avr-mcus.def: Adjust comments.
 777
 778 2013-01-07  Uros Bizjak  <ubizjak@gmail.com>
 779
 780         * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Remove.
 781
 782 2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
 783
 784         * file-find.c, file-find.h, realmpfr.c: Add FSF as copyright holder.
 785
 786 2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
 787
 788         * config/tilepro/gen-mul-tables.cc: Put copyright on one line.
 789
 790 2013-01-05  David Edelsohn  <dje.gcc@gmail.com>
 791
 792         * config/rs6000/aix53.h (LIB_SPEC): Add -lpthreads when compiling
 793         to generate profiling.
 794         * config/rs6000/aix64.h (LIB_SPEC): Same.
 795
 796 2013-01-04  Andrew Pinski  <apinski@cavium.com>
 797
 798         * config/aarch64/aarch64.c (aarch64_fixed_condition_code_regs):
 799         New function.
 800         (TARGET_FIXED_CONDITION_CODE_REGS): Define.
 801
 802 2013-01-04  Uros Bizjak  <ubizjak@gmail.com>
 803
 804         * config/i386/i386.c (ix86_legitimize_address): Call convert_to_mode
 805         unconditionally.
 806         (ix86_expand_move): Ditto.
 807         (ix86_zero_extend_to_Pmode): Ditto.
 808         (ix86_expand_call): Ditto.
 809         (ix86_expand_special_args_builtin): Ditto.
 810         (ix86_expand_builtin): Ditto.
 811
 812 2013-01-04  Richard Biener  <rguenther@suse.de>
 813
 814         PR tree-optimization/55862
 815         * tree-ssa-pre.c (phi_translate_1): Valueize SSA names after
 816         translating them through PHI nodes.
 817
 818 2013-01-04  Martin Jambor  <mjambor@suse.cz>
 819
 820         PR tree-optimization/55755
 821         * tree-sra.c (sra_modify_assign): Do not check that an access has no
 822         children when trying to avoid producing a VIEW_CONVERT_EXPR.
 823
 824 2013-01-04  Marek Polacek  <polacek@redhat.com>
 825
 826         PR middle-end/55859
 827         * opts.c (default_options_optimization): Clarify error message.
 828
 829 2013-01-04  Richard Biener  <rguenther@suse.de>
 830
 831         PR middle-end/55863
 832         * fold-const.c (split_tree): Undo -X - 1 to ~X folding for
 833         reassociation.
 834
 835 2013-01-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 836
 837         PR target/53789
 838         * config/pa/pa.md (movsi): Revert previous change.
 839         * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
 840         references.
 841
 842 2013-01-03  Richard Henderson  <rth@redhat.com>
 843
 844         * config/i386/i386.c (ix86_expand_move): Always assign to op1
 845         after eliminating TLS symbols.
 846
 847 2013-01-03  Marc Glisse  <marc.glisse@inria.fr>
 848
 849         PR bootstrap/50167
 850         * graphite-interchange.c (pdr_stride_in_loop): Use gmp_fprintf.
 851         * graphite-poly.c (debug_gmp_value): Likewise.
 852
 853 2013-01-03  Uros Bizjak  <ubizjak@gmail.com>
 854
 855         PR target/55712
 856         * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
 857         selected code model, define __code_mode_small__, __code_model_medium__,
 858         __code_model_large__, __code_model_32__ or __code_model_kernel__.
 859         * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
 860         xchg temporary register with %k.  Declare temporary register as
 861         early clobbered.
 862         [__x86_64__]: For medium and large code models, preserve %rbx register.
 863
 864 2013-01-03  Richard Biener  <rguenther@suse.de>
 865
 866         * tree-data-ref.c (dump_conflict_function): Use less vertical spacing.
 867         (dump_subscript): Adjust.
 868         (finalize_ddr_dependent): Do not dump redundant info.
 869         (analyze_siv_subscript): Adjust.
 870         (subscript_dependence_tester): Likewise.
 871         (compute_affine_dependence): Likewise.
 872
 873 2013-01-03  Richard Biener  <rguenther@suse.de>
 874
 875         Revert
 876         2013-01-03  Richard Biener  <rguenther@suse.de>
 877
 878         PR tree-optimization/55857
 879         * tree-vect-stmts.c (vectorizable_load): Do not setup
 880         re-alignment for invariant loads.
 881
 882         2013-01-02  Richard Biener  <rguenther@suse.de>
 883
 884         * tree-vect-stmts.c (vectorizable_load): When vectorizing an
 885         invariant load do not generate a vector load from the scalar location.
 886
 887 2013-01-03  Richard Biener  <rguenther@suse.de>
 888
 889         * tree-vect-loop.c (vect_analyze_loop_form): Clarify reason
 890         for not vectorizing.
 891         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
 892         not build INDIRECT_REFs, call get_name once only.
 893         (vect_create_data_ref_ptr): Likewise.  Dump base object kind
 894         based on DR_BASE_OBJECT, not DR_BASE_ADDRESS.
 895
 896 2013-01-03  Richard Biener  <rguenther@suse.de>
 897
 898         PR tree-optimization/55857
 899         * tree-vect-stmts.c (vectorizable_load): Do not setup
 900         re-alignment for invariant loads.
 901
 902 2013-01-03  Richard Biener  <rguenther@suse.de>
 903
 904         PR lto/55848
 905         * lto-symtab.c (lto_symtab_merge_decls_1): As last resort, always
 906         prefer a built-in decl.
 907
 908 2013-01-03  Jakub Jelinek  <jakub@redhat.com>
 909
 910         * gcc.c (process_command): Update copyright notice dates.
 911         * gcov.c (print_version): Likewise.
 912         * gcov-dump.c (print_version): Likewise.
 913
 914         PR rtl-optimization/55838
 915         * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
 916         iv0.step, iv1.step and step.
 917
 918 2013-01-03  Jakub Jelinek  <jakub@redhat.com>
 919             Marc Glisse  <marc.glisse@inria.fr>
 920
 921         PR tree-optimization/55832
 922         * fold-const.c (fold_binary_loc): For ABS_EXPR<x> >= 0 and
 923         ABS_EXPR<x> < 0 folding use constant_boolean_node instead of
 924         integer_{one,zero}_node.
 925
 926 2013-01-03  Jakub Jelinek  <jakub@redhat.com>
 927
 928         PR debug/54402
 929         * params.def (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE): New param.
 930         * var-tracking.c (reverse_op): Don't add reverse ops to
 931         VALUEs that have already
 932         PARAM_VALUE (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE) or longer locs list.
 933
 934 2013-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
 935
 936         * doc/contrib.texi: Note years as release manager for Mark Mitchell.
 937
 938 2013-01-02  Teresa Johnson  <tejohnson@google.com>
 939
 940         * dumpfile.c (dump_loc): Print filename with location.
 941         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Use
 942         new location_t parameter to emit complete unroll message with
 943         new dump framework.
 944         (canonicalize_loop_induction_variables): Compute loops location
 945         and pass to try_unroll_loop_completely.
 946         * loop-unroll.c (report_unroll_peel): New function.
 947         (peel_loops_completely): Use new dump format with location
 948         for main dumpfile message, and invoke report_unroll_peel on success.
 949         (decide_unrolling_and_peeling): Ditto.
 950         (decide_peel_once_rolling): Remove old dumpfile message subsumed
 951         by report_unroll_peel.
 952         (decide_peel_completely): Ditto.
 953         (decide_unroll_constant_iterations): Ditto.
 954         (decide_unroll_runtime_iterations): Ditto.
 955         (decide_peel_simple): Ditto.
 956         (decide_unroll_stupid): Ditto.
 957         * cfgloop.c (get_loop_location): New function.
 958         * cfgloop.h (get_loop_location): Declare.
 959
 960 2013-01-02  Sriraman Tallam  <tmsriram@google.com>
 961
 962         * config/i386/i386.c (fold_builtin_cpu): Remove unnecessary checks for
 963         NULL.
 964
 965 2013-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 966
 967         PR middle-end/55198
 968         * expr.c (expand_expr_real_1): Don't use bitfield extraction for non
 969         BLKmode objects when EXPAND_MEMORY is specified.
 970
 971 2013-01-02  Sriraman Tallam  <tmsriram@google.com>
 972
 973         * config/i386/i386.c (ix86_get_function_versions_dispatcher): Fix bug
 974         in loop predicate.
 975         (fold_builtin_cpu): Do not share cpu model decls across statements.
 976
 977 2013-01-02  Jason Merrill  <jason@redhat.com>
 978
 979         PR c++/55804
 980         * tree.c (build_array_type_1): Revert earlier change.
 981
 982 2013-01-02  Yufeng Zhang  <yufeng.zhang@arm.com>
 983
 984         * config/aarch64/aarch64-cores.def: Add entries for "cortex-a53" and
 985         "cortex-a57".
 986         * config/aarch64/aarch64-tune.md: Re-generate.
 987
 988 2013-01-02  Richard Biener  <rguenther@suse.de>
 989
 990         * tree-vect-stmts.c (vectorizable_load): When vectorizing an
 991         invariant load do not generate a vector load from the scalar location.
 992
 993 2013-01-02  Richard Biener  <rguenther@suse.de>
 994
 995         PR bootstrap/55784
 996         * configure.ac: Add $GMPINC to CFLAGS/CXXFLAGS.
 997         * configure: Regenerate.
 998
 999 2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1000
1001         * builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2)
1002         (expand_builtin_mathfn_ternary, expand_builtin_mathfn_3)
1003         (expand_builtin_int_roundingfn_2): Keep the original target around
1004         for the fallback case.
1005
1006 2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1007
1008         * tree-vrp.c (range_fits_type_p): Require the MSB of the double_int
1009         to be clear for sign changes.
1010
1011 2013-01-01  Jan Hubicka  <jh@suse.cz>
1012
1013         * ipa-inline-analysis.c: Fix formatting.
1014
1015 2013-01-01  Jakub Jelinek  <jakub@redhat.com>
1016
1017         PR tree-optimization/55831
1018         * tree-vect-loop.c (get_initial_def_for_induction): Use
1019         gsi_after_labels instead of gsi_start_bb.
1020 \f
1021 Copyright (C) 2013 Free Software Foundation, Inc.
1022
1023 Copying and distribution of this file, with or without modification,
1024 are permitted in any medium without royalty provided the copyright
1025 notice and this notice are preserved.