gcc/ChangeLog

   1 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
   2
   3         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
   4         to duplicate_block.
   5         * cfghooks.c (duplicate_block): Added position where to place
   6         new block as argument.
   7         * cfghooks.h (duplicate_block): Declaration changed.
   8         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
   9         duplicate_block.
  10         * cfglayout.h (copy_bbs): Declaration changed.
  11         * cfgloop.h (loop_version): Declaration changed.
  12         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
  13         position to copy_bbs.
  14         (loop_version): Pass position to duplicate_loop_to_header_edge.
  15         Add place_after argument and position new blocks according to
  16         it.
  17         * modulo-sched.c (sms_schedule): Pass place_after argument
  18         to loop_version.
  19         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
  20         * tree-cfg.c (split_edge_bb_loc): New function.
  21         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
  22         to determine position of new blocks.
  23         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
  24         to loop_version.
  25         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
  26         argument to duplicate_block.
  27         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
  28         Pass position to copy_bbs.
  29
  30 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
  31
  32         * fold-const.c (ptr_difference_const): Use
  33         cst_and_fits_in_hwi instead of host_integerp.
  34
  35 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
  36
  37         * config/darwin.c (gen_pic_offset): New.
  38         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
  39         Use it.
  40
  41 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
  42
  43         PR tree-optimization/23486
  44         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
  45
  46 2005-08-23  Phil Edwards  <phil@codesourcery.com>
  47
  48         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
  49         remove use_collect2.
  50         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
  51
  52         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
  53         configuration files to override the default value.
  54
  55         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
  56         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
  57         * config/vx-common.h:  New file, split out from...
  58         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
  59         * config/vxworksae.h:  New file, for VxWorks AE.
  60         * config/vxworks.opt:  New file.
  61         * config/vxlib.c:  Update for VxWorks 6.
  62
  63         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
  64         other MULTILIB_* variables appropriately.
  65         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
  66         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
  67         * config/rs6000/vxworks.h:  Update for VxWorks 6.
  68         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
  69
  70 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
  71
  72         PR target/20799
  73         * config/darwin.c (machopic_select_section): Remove the hack to
  74         mark "::operator new" and "::operator delete" for coalescing
  75         even though they are not weak.
  76
  77 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
  78
  79         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
  80         * configure: Regenerate.
  81
  82 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
  83
  84         PR middle-end/23517
  85         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
  86         between vectors.
  87         * convert.c (convert_to_integer, convert_to_vector): Likewise.
  88         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
  89         Likewise.
  90
  91 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
  92
  93         * config/rs6000/predicates.md (equality_operator): New.
  94         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
  95         comparison with a large constant.
  96
  97 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
  98
  99         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
 100
 101 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
 102
 103         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
 104         registers is even, and we have a hardware double precision fp,
 105         align the buffer.
 106         (sh_gimplify_va_arg_expr): For floating point arguments, consider
 107         size of current argument when checking if argument was passed in
 108         registers.
 109
 110         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
 111
 112         PR middle-end/23467
 113         * stor-layout.c (finalize_type_size): Dont override
 114         existing alignment with a smaller alignment from the mode.
 115
 116 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
 117
 118         * lambda-code.c (lambda_vector_lexico_pos): Moved...
 119         * lambda.h (lambda_vector_lexico_pos): ... here.
 120         * tree-data-ref.c (build_classic_dist_vector): Return false when
 121         the distance vector is lexicographically negative.
 122
 123 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
 124
 125         PR tree-optimization/23511
 126         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
 127         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
 128
 129 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
 130
 131         PR tree-optimization/22043
 132         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
 133         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
 134         If ALLOW_FLEXARR, handle types ending with flexible array member.
 135         Pass false as second argument to recursive count_type_elements calls.
 136         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
 137         argument to count_type_elements call.
 138         * tree-sra.c (decide_block_copy): Likewise.
 139         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
 140         for a constant-sized object, set cleared as well.  Pass true as
 141         second argument to count_type_elements call.
 142
 143 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
 144
 145         PR target/21571
 146         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
 147         from legitimate_small_data_p, and make global.  Update use.
 148         Remove forward declaration.
 149         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
 150         Declare.
 151         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
 152
 153 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
 154
 155         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
 156         of scratch intermediates.
 157         (eq<mode>_compare): Same.
 158         (neg_eq0<mode>): New.
 159         (neg_eq<mode>): Convert to define_insn_and_split.
 160
 161 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
 162
 163         PR target/23070
 164         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
 165         stdarg functions, set/clear the fp marker even when no variable
 166         args are passed.
 167         * config/rs6000/sysv4.opt (mprototype): Describe.
 168
 169 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
 170
 171         PR rtl-optimization/23478
 172         * regs.h (reg_info): Add throw_calls_crossed.
 173         (REG_N_THROWING_CALLS_CROSSED): Define.
 174         * flow.c (allocate_reg_life_data): Initialize
 175         REG_N_THROWING_CALLS_CROSSED.
 176         (propagate_one_insn, attempt_auto_inc): Update
 177         REG_N_THROWING_CALLS_CROSSED.
 178         * global.c (global_alloc): Don't allocate pseudos across
 179         calls that may throw.
 180
 181 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
 182
 183         PR c/18715
 184         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
 185         value is inbetween the range if we did not find an exact match.
 186
 187 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
 188
 189         * doc/invoke.texi (Option Summary): Add ms1 options.
 190         * doc/extend.texi: Document interrupt handler attribute for ms1.
 191         * doc/md.texi: Document ms1 constraints.
 192         * config.gcc: Add ms1-*-elf.
 193         * config/ms1/ms1.h: New.
 194         * config/ms1/ms1.c: New.
 195         * config/ms1/ms1.md: New.
 196         * config/ms1/ms1-protos.h: New.
 197         * config/ms1/ABI.txt: New.
 198         * config/ms1/crti.asm: New.
 199         * config/ms1/crtn.asm: New.
 200         * config/ms1/lib2extra-funcs.c: New.
 201         * config/ms1/t-ms1: New.
 202         * config/ms1/ms1.opt: New.
 203
 204 2005-08-22 Ira Rosen <irar@il.ibm.com>
 205
 206         * config/rs6000/altivec.md (xorv4sf3): New.
 207         (negv4sf2, neg<mode>2): Likewise.
 208
 209 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
 210
 211         PR target/23485
 212         * config/ia64/ia64.md (divsi3): Check divide by zero.
 213         (udivsi3): Likewise.
 214         (divdi3): Likewise.
 215         (udivdi3): Likewise.
 216
 217 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
 218
 219         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
 220         up to elem_bitsize bits, not max_bitsize.
 221
 222 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
 223
 224         PR tree-optimization/23433
 225         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
 226         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
 227
 228 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
 229
 230         PR tree-optimization/23434
 231         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
 232         the iteration bound is not an INTEGER_CST.
 233
 234 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
 235
 236         * tree-vect-transform.c (get_initial_def_for_reduction): Set
 237         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
 238         NULL if need_epilog_adjust is false.
 239         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
 240         Case 3 always peels first itration, not just for PLUS case, and no need
 241         to use scalar_initial_def here. Create an epilog adjustment only if
 242         scalar_initial_def is not NULL.
 243
 244         (vectorizable_reduction): Remove assert.
 245
 246 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
 247
 248         PR target/23485
 249         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
 250         (__moddi3): Likewise.
 251         (__udivdi3): Likewise.
 252         (__umoddi3): Likewise.
 253         (__divsi3): Likewise.
 254         (__modsi3): Likewise.
 255         (__udivsi3): Likewise.
 256         (__umodsi3): Likewise.
 257
 258 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
 259
 260         * tree-pass.h (TDF_GRAPH): Define.
 261         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
 262         * passes.c (finish_optimization_passes): Only call
 263         finish_graph_dump_file if TDF_GRAPH is set.
 264         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
 265         NULL.  Set TDF_GRAPH bit.
 266         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
 267
 268 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
 269
 270         * arm.h (arm_stack_offsets): Add locals_base field.
 271         * arm.c (arm_get_frame_offsets): Compute it.
 272         (thumb_compute_initial_elimination offset): Make the Thumb frame
 273         pointer point to the base of the local variables.
 274         (thumb_expand_prologue): Update accordingly.
 275         (thumb_expand_epilogue): Likewise.
 276
 277         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
 278         mode of clobbered scratch to DImode.  Handle a case that's known to
 279         need this.
 280
 281 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
 282
 283         * config/rs6000/rs6000.md (gt0<mode>): Delete.
 284         (gt0<mode>_compare): Delete.
 285         (neg_gt0<mode>): Delete.
 286
 287 2005-08-19  Eric Christopher  <echristo@apple.com>
 288
 289         * optabs.h: Change CTI_ to COI_.
 290         * optabs.c: Ditto.
 291
 292 2005-08-19  James E Wilson  <wilson@specifix.com>
 293
 294         * builtins.c (expand_builtin_return_addr): Set
 295         current_function_accesses_prior_frames when count != 0.  Use
 296         frame_pointer_rtx when count == 0.
 297         * function.h (struct function): Add accesses_prior_frames field.
 298         (current_function_accesses_prior_frames): Define.
 299         * reload1.c (init_elim_table): Check
 300         current_function_accesses_prior_frames.
 301         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
 302
 303 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
 304
 305         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
 306         indicator.  Return true if the flowgraph changed during
 307         cleanup.
 308
 309 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
 310
 311         PR 23476
 312         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
 313         conditional expression before testing its value.
 314
 315 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
 316
 317         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
 318
 319 2005-08-19  Devang Patel  <dpatel@apple.com>
 320
 321         PR tree-optimization/23048
 322         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
 323         third parameter. Check whether latch is dominated by exit
 324         block or not.
 325         (if_convertible_loop_p): Supply exit block itself to
 326         if_convertible_bb_p.
 327
 328 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
 329
 330         PR target/23473
 331         * arm.md (arm_load_pic_register): Change argument to the mask of
 332         saved registers.  Call thumb_find_work_register if we need a
 333         scratch register on Thumb.
 334         (arm_expand_prologue): Pass empty register set to
 335         arm_load_pic_register.
 336         (thumb_expand_prologue): Pass live_regs_mask directly to
 337         arm_load_pic_register.
 338         * arm-protos.h (arm_load_pic_register): Update prototype.
 339
 340 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
 341
 342         * sh.c (find_sole_member): New function.
 343         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
 344         if the record's alignment is larger than the size of its only member.
 345
 346 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
 347
 348         PR target/23436
 349         * arm.c (thumb_legitimize_reload_address): New function.
 350         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
 351         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
 352
 353 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
 354
 355         * config/crx/crx.c: Implement crx_decompose_address. Reject
 356         symbolic displacements since CRX register relative adressing
 357         mode can't handle unsigned 32-bit values as displacements.
 358         * config/crx/crx.h: Simplify definitions, remove redundant
 359         parenthesis and obsolete macros.
 360         * config/crx/crx.opt: Add new switch for debugging addresses.
 361         * config/crx/crx-protos.h: Add new declarations for above.
 362
 363 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
 364
 365         PR middle-end/20624
 366         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
 367         looking past it.
 368
 369 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 370
 371         * collect2.c (dup2): Delete.
 372         * configure.ac: Don't check for dup2.
 373
 374         * config.in, configure: Regenerate.
 375
 376 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
 377
 378         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
 379         record with the type of its only member.
 380
 381 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
 382
 383         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
 384         define_insn_and_split.
 385         (plus_ltu<mode>_compare): Same.
 386         (gtu<mode>_compare): Same.
 387         (plus_gtu<mode>_compare): Same.
 388
 389 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
 390
 391         PR tree-optimization/22228
 392         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
 393         todo_flags_start.
 394         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
 395         are recorded in vect_vnames_to_rename for renaming.
 396         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
 397         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
 398         in vect_vnames_to_rename.
 399         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
 400         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
 401
 402 2005-08-18  Jan Hubicka  <jh@suse.cz>
 403
 404         PR c++/22034
 405         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
 406         info only for local statics, not for member variables.
 407
 408 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 409
 410         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
 411
 412 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 413
 414         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
 415
 416 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
 417
 418         PR middle-end/16045
 419         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
 420
 421 2005-08-17  James E Wilson  <wilson@specifix.com>
 422
 423         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
 424         array size check.
 425
 426 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
 427
 428         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
 429         (leu<mode>_compare): Same.
 430         (plus_leu<mode>): Same.
 431         (neg_leu<mode>): Same.
 432         (and_neg_leu<mode): Same.
 433         (ltu<mode>_compare): Same.
 434         (plus_ltu<mode>): Same.
 435         (geu<mode>): Same.
 436         (geu<mode>_compare): Same.
 437         (plus_geu<mode>): Same.
 438         (neg_geu<mode>): Same.
 439         (and_neg_geu<mode>): Same.
 440         (plus_gt<mode>): Same.
 441         (gtu<mode>_compare): Same.
 442         (plus_gtu<mode>): Same.
 443
 444 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
 445
 446         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
 447         Move call_table_data to end.  Delete spurious .text.
 448         (callt_save_all_interrupt): Fix comment typo.
 449
 450 2005-08-17  James E Wilson  <wilson@specifix.com>
 451             Kevin Winchester  <winchester@amirix.com>
 452
 453         PR target/21684
 454         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
 455
 456 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
 457
 458         PR target/23268
 459         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
 460         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
 461
 462 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
 463
 464         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
 465         record with the type of its only member if the modes don't match.
 466
 467         * varasm.c (decode_reg_name): Skip empty additional register names.
 468
 469 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
 470
 471         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
 472         lsm_tmp_name_length): New.
 473         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
 474         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
 475
 476 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 477             Andreas Krebbel  <krebbel1@de.ibm.com>
 478
 479         * config.gcc: Added z9-109 switch.
 480         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
 481         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
 482         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
 483         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
 484         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
 485         for "z9_109" cpu attribute.
 486         * config/s390/s390.c (z9_109_cost): New processor cost structure.
 487         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
 488         (s390_handle_arch_option): Added z9-109 switch.
 489         (override_options): Set respective cost function for z9-109.
 490         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
 491         (legitimate_reload_constant_p): Accept extended immediates.
 492         (print_operand): Three new output modifiers added: k, m and o.
 493         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
 494         (s390_output_mi_thunk): Use extended immediate when possible.
 495         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
 496         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
 497         (CONSTRAINT_LEN): Added length of O constraint.
 498         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
 499         * config/s390/s390.md ("cpu"): New value z9_109 added.
 500         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
 501         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
 502         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
 503         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
 504         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
 505         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
 506         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
 507         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
 508         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
 509         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
 510         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
 511         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
 512         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
 513         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
 514         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
 515         immediates.
 516         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
 517         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
 518         insns for TARGET_EXTIMM.
 519
 520 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 521
 522         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
 523
 524 2005-08-17  Nick Clifton  <nickc@redhat.com>
 525
 526         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
 527         Call default_encode_section_info.
 528
 529 2005-08-17  Steven Bosscher  <stevenb@suse.de>
 530
 531         PR tree-optimization/21574
 532         * tree-ssa-ccp.c (likely_value): If the right hand side is a
 533         constant, return CONSTANT.
 534         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
 535         (ccp_fold, visit_assignment): Likewise.
 536         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
 537
 538 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
 539
 540         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
 541         fold_buildN instead of buildN then fold_initializer or fold.
 542         (build_unary_op): Likewise.
 543         (build_binary_op): Likewise.
 544         * fold-const.c (fold_initializer): Remove.
 545         (fold_build1_initializer): New function.
 546         (fold_build2_initializer): New function.
 547         (fold_build3_initializer): New function.
 548         * tree.h (fold_initializer): Remove.
 549         (fold_build1_initializer): New function.
 550         (fold_build2_initializer): New function.
 551         (fold_build3_initializer): New function.
 552
 553 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
 554
 555         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
 556         (try_move_mult_to_index): Call fold_build2 instead of build2.
 557         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
 558         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
 559         fold_binary_to_constant.
 560         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
 561         fold (build.
 562         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
 563         check if A == gcd (A, B).  Remove TYPE argument.
 564         (analyze_offset) Use fold_build2 instead of fold (build.
 565         (create_data_ref): Likewise.
 566         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
 567         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
 568         then fold.
 569
 570 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
 571
 572         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
 573         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
 574
 575 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
 576
 577         PR tree-opt/23402
 578         * gimplify.c (zero_sized_type): New function.
 579         (gimplify_modify_expr_rhs): If we have a zero sized type,
 580         replace the statement with an empty statement.
 581
 582 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
 583
 584         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
 585         fxsave.
 586
 587 2005-08-16  Ian Lance Taylor  <ian@airs.com>
 588
 589         * doc/tm.texi (Label Output): Correct typo.
 590
 591 2005-08-16  Steven Bosscher  <stevenb@suse.de>
 592
 593         PR target/23376
 594         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
 595         force_operand will work later on using have_insn_for.
 596
 597 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 598
 599         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
 600
 601 2005-08-16  Ian Lance Taylor  <ian@airs.com>
 602
 603         PR c++/23337
 604         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
 605         vector type, don't try to construct it element by element.  Add an
 606         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
 607
 608 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 609
 610         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
 611
 612 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
 613
 614         * doc/invoke.texi (Precompiled Headers): Document some more options
 615         which are known to be safe.
 616
 617 2005-08-16  James E Wilson  <wilson@specifix.com>
 618
 619         PR tree-optimization/21105
 620         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
 621         TREE_OVERFLOW check.
 622
 623 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
 624
 625         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
 626         (neg_ltu<mode>): Same.
 627         (gtu<mode>): Same.
 628         (neg_gtu<mode>): Same.
 629
 630 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 631
 632         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
 633         (fold_builtin_isdigit): Use fold_buildN.
 634         (build_function_call_expr): Likewise.
 635         * c-typeck.c (c_finish_loop): Likewise.
 636
 637 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
 638             Richard Shann <rshann@superh.com>
 639
 640         PR middle-end/20396:
 641         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
 642
 643 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
 644
 645         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
 646
 647 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
 648
 649         PR target/23355
 650         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
 651         arm_compure_save_reg0_reg12_mask to determine when the PIC register
 652         must be saved.
 653
 654 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 655
 656         PR middle-end/23369
 657         * fold-const.c (build_range_check): Disable optimization for function
 658         pointer expressions on targets that require function pointer
 659         canonicalization.
 660
 661 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
 662
 663         * simplify-rtx.c (simplify_const_relational_operation): When
 664         extracting arguments of a COMPARE, recompute the mode as well.
 665
 666 2005-08-15  Ian Lance Taylor  <ian@airs.com>
 667
 668         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
 669
 670 2005-08-15  DJ Delorie  <dj@redhat.com>
 671
 672         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
 673         the stack.
 674         (movsi_splittable): Allow, but split, moves to the stack.
 675         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
 676         stack.
 677
 678 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 679
 680         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
 681         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
 682         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
 683
 684         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
 685         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
 686         Delete HOST_PTR_PRINTF.
 687
 688         * configure, config.in: Regenerate.
 689
 690 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
 691
 692         * config/rs6000/rs6000.md (QHSI): New mode macro.
 693         (wd): Extend mode attr for QImode and HImode
 694         (dbits): New mode attr.
 695         (zero_extend<mode>di2): Convert to mode macro.
 696
 697 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
 698
 699         PR target/21841
 700         * doc/invoke.texi (-mgnu-ld): Update description.
 701         (-mhp-ld): Ditto.
 702
 703 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
 704
 705         PR 23391
 706         * Makefile.in (tree-chrec.o): Depends on real.h.
 707         * tree-chrec.c: Include real.h.
 708         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
 709         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
 710         * tree-scalar-evolution.c (add_to_evolution_1,
 711         interpret_rhs_modify_expr): Ditto.
 712
 713 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
 714
 715         PR 23386
 716         * tree-data-ref.c (estimate_niter_from_size_of_data): When
 717         step is negative compute the estimation from init downwards to zero.
 718
 719 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
 720
 721         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
 722
 723 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
 724
 725         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
 726         constraint.
 727         (legitimate_reload_constant_p): Fix handling of lliXX operands.
 728         Accept double-word constants that can be split.
 729         * config/s390/s390.md ("movti"): Use 'P' constraint.
 730         ("*movdi_31", "*movdf_31"): Likewise.
 731
 732 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
 733
 734         Fix PR tree-optimization/22615
 735
 736         * tree-ssa-structalias.c (solution_set_add): Handle
 737         first_vi_for_offset returning NULL.
 738         (do_da_constraint): Ditto.
 739         (do_sd_constraint): Ditto.
 740         (do_ds_constraint): Ditto
 741         (find_func_aliases): Ditto.
 742         (build_constraint_graph): RHS is allowed be ANYTHING.
 743         (first_vi_for_offset): Return NULL if we couldn't find anything at
 744         the offset.
 745
 746 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
 747
 748         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
 749         over memory as first operand.
 750
 751 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
 752
 753         PR target/23360
 754         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
 755         available for setting it.
 756
 757 2005-08-14  Ira Rosen  <irar@il.ibm.com>
 758
 759         PR tree-optimization/23320
 760         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
 761         data-refs' types instead of base object nullness. Add check for
 762         pointer type data-refs before first location comparison. Remove
 763         assert.
 764
 765 2005-08-14  Andreas Schwab  <schwab@suse.de>
 766
 767         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
 768
 769 2005-08-13  James E Wilson  <wilson@specifix.com>
 770
 771         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
 772         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
 773         -fstack-protector-all, --param ssp-buffer-size): Document.
 774         (-Wvariadic-macros): Alphabetize.
 775         (-fsched-stalled-insns-dep): Add missing 'f'.
 776
 777         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
 778         macros.
 779
 780 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
 781
 782         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
 783         or indirect address operand.
 784         (EXTRA_ADDRESS_CONSTRAINT): New.
 785         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
 786
 787 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
 788
 789         PR tree-optimization/22236
 790         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
 791         successors and predecessors.
 792         * tree-chrec.c (chrec_convert): Before converting, check that
 793         sequences don't wrap.
 794         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
 795         (analyze_array): Extern.
 796         (find_data_references_in_loop): Remove call to
 797         compute_estimated_nb_iterations.
 798         * tree-data-ref.h (analyze_array): Declared.
 799         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
 800         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
 801         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
 802         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
 803         condition.
 804         * tree-ssa-loop-ivcanon.c: Fix documentation.
 805         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
 806         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
 807         (infer_loop_bounds_from_undefined): New.
 808         (estimate_numbers_of_iterations_loop): Use
 809         infer_loop_bounds_from_undefined.
 810         (used_in_pointer_arithmetic_p): New.
 811         (scev_probably_wraps_p): Pass an extra parameter.  Call
 812         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
 813         (convert_step): Fix documentation.
 814         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
 815         Use initial_condition_in_loop_num and evolution_part_in_loop_num
 816         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
 817         scev_probably_wraps_p.
 818
 819 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
 820
 821         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
 822         (s390_register_info): Ignore clobbered_regs information for fixed
 823         registers, and only fixed registers.
 824         (s390_init_frame_layout): Remove redundant call.
 825
 826 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
 827
 828         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
 829         description of -Wold-style-casts.
 830
 831 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 832             Jakub Jelinek  <jakub@redhat.com>
 833
 834         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
 835         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
 836         * config/s390/s390.c (print_operand): New output modifier 'G' added.
 837         (get_thread_pointer): Renamed to s390_get_thread_pointer.
 838         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
 839         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
 840         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
 841         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
 842         ("stack_protect_set", "stack_protect_test"): New expanders.
 843         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
 844         "stack_protect_testdi"): New insn definitions.
 845
 846 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 847
 848         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
 849
 850 2005-08-12  Paul Brook  <paul@codesourcery.com>
 851
 852         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
 853
 854 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 855
 856         * config/s390/predicates.md (setmem_operand): New predicate.
 857         (shift_count_operand): Accept ANDs with special constants as
 858         operand.
 859         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
 860         with special constants.
 861         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
 862         shift_count_operand with setmem_operand.
 863
 864 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 865
 866         * config/s390/s390.c (s390_extract_part, s390_single_part):
 867         Type cast added.
 868         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
 869         (s390_output_mi_thunk): Don't use lg on 31 bit.
 870         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
 871         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
 872
 873 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 874
 875         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
 876         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
 877         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
 878         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
 879         with one of the new macros.
 880
 881 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 882
 883         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
 884         Don't set save_return_addr_p.
 885         (s390_register_info): Make clobbered_regs not depending on
 886         save_return_addr_p.
 887
 888 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
 889
 890         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
 891         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
 892
 893 2005-08-11  James E. Wilson  <wilson@specifix.com>
 894
 895         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
 896
 897 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
 898
 899         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
 900         locations gathered by var-tracking in single entry loc_list
 901         over loc_descriptor_from_tree.
 902
 903         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
 904         pass it down to loc_descriptor.
 905         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
 906         (containing_function_has_frame_base): Move earlier in the file.
 907         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
 908         instead of always assuming fbreg can't be used.
 909
 910 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
 911
 912         * config/rs6000/altivec.md: Change constraint "m" to "Z".
 913         * config/rs6000/predicates.md (indexed_or_indirect_operand):
 914         Accept address wrapped in AND for Altivec.
 915         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
 916         Strip AND wrapping offset address for Altivec.
 917
 918 2005-08-11  Richard Henderson  <rth@redhat.com>
 919
 920         PR middle-end/23312
 921         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
 922         before using TYPE_IS_SIZETYPE.
 923
 924 2005-08-11  Richard Henderson  <rth@redhat.com>
 925
 926         PR target/22225
 927         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
 928         insn types not present on ev4.
 929         (alphaev5_insn_pipe): Similarly.
 930
 931 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
 932
 933         PR target/23250
 934         * arm.c (arm_override_options): If the user has selected callee-super-
 935         interworking, then enable normal interworking.
 936
 937 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 938
 939         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
 940         redefinition.
 941
 942 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
 943
 944         * doc/rtl.texi: Fix two typos.
 945
 946 2005-08-11  Richard Guenther  <rguenther@suse.de>
 947
 948         PR target/23289
 949         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
 950         cases where we call to/from functions returning void.
 951
 952 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
 953
 954         PR c++/23225
 955         * tree.c (build_pointer_type_for_mode): Robustify.
 956
 957 2005-08-10  James E Wilson  <wilson@specifix.com>
 958
 959         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
 960         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
 961
 962         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
 963         "cum->".
 964
 965 2005-08-10  Eric Christopher  <echristo@apple.com>
 966
 967         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
 968         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
 969         V2DFmode.
 970
 971 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
 972
 973         PR target/21887
 974         * config/darwin.c (machopic_indirect_data_reference): Use a new register
 975         for the high part when generating dynamic-no-pic code.
 976
 977 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
 978
 979         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
 980         (x86_64-*-linux*): Likewise.
 981
 982         * config/i386/crtfastmath.c: New file.
 983         * config/i386/t-crtfm: Likewise.
 984
 985         * config/i386/linux.h (ENDFILE_SPEC): New.
 986         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
 987
 988         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
 989         crtfastmath.o.
 990
 991 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
 992
 993         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
 994         (vec_shl, vec_shr): Document new operations.
 995         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
 996
 997 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
 998
 999         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1000         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1001         change predicate to indexed_or_indirect_address.
1002
1003 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
1004
1005         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1006         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1007         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1008         and __aeabi_uwrite8.
1009         * config/arm/unaligned-funcs.c: New file.
1010         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1011
1012 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
1013
1014         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1015         Add dump.
1016         * cfglayout.c (pass_insn_locators_initialize): Add dump.
1017         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1018         Add dump.
1019         * except.c (pass_convert_to_eh_region_ranges): Add dump.
1020         * final.c (pass_shorten_branches): Add dump.
1021         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1022         (pass_life): Rename dump.
1023         (rest_of_handle_flow2): Remove initial verify_flow_info.
1024         * function.c (pass_instantiate_virtual_regs): Add dump.
1025         * integrate.c (pass_initial_value_sets): Add dump.
1026         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1027         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1028         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1029         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1030         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1031         gate_rtl_unrool_and_peel_loops): New.
1032         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1033         rtl_doloop): Do not look at flags.
1034         * mode-switching.c (pass_mode_switching): Add dump.
1035         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1036         pass_split_before_regstack): Add dump.
1037         * regmove.c (pass_stack_adjustments): Add dump.
1038         * tree-optimize.c (pass_fixup_cfg): Add dump.
1039
1040 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1041
1042         PR 23309
1043         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1044         deciding which instruction sequence to use.
1045
1046 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
1047
1048         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1049         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1050
1051 2005-08-09  Richard Guenther  <rguenther@suse.de>
1052
1053         * c-common.c (builtin_function_2): Remove.
1054         (def_builtin_1): New function.
1055         (c_common_nodes_and_builtins): Use def_builtin_1 to
1056         build builtin functions.
1057
1058 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
1059
1060         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1061         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1062         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1063         Visual DSP.
1064
1065 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1066
1067         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1068         fold_binary instead of fold_build2 since we don't care about the
1069         resulting tree.
1070         (loop_niter_by_eval): Likewise.
1071         (compare_trees): Likewise.
1072         (proved_non_wrapping_p): Likewise.
1073
1074 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
1075
1076         PR c/23161
1077         PR c/23165
1078         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1079         if the if is really empty.
1080
1081 2005-08-09  Steven Bosscher  <stevenb@suse.de>
1082
1083         PR tree-optimization/23234
1084         * tree-ssa-math-opts.c (place_reciprocal): New enum.
1085         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1086         argument of the new enum.
1087         (execute_cse_reciprocals): Add reciprocals for function arguments
1088         on the unique successor edge of the entry block.  Update other calls
1089         to execute_cse_reciprocals_1.
1090
1091 2005-08-08  Richard Henderson  <rth@redhat.com>
1092
1093         PR 22439
1094         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1095
1096 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
1097
1098         * expr.c (write_complex_part): Return after handling MEM.
1099
1100 2005-08-08  Josh Conner  <jconner@apple.com>
1101
1102         PR rtl-optimization/23241
1103         * combine.c (simplify_comparison): Fix error in determining
1104         whether to lift a subreg from comparison.
1105
1106 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
1107
1108         PR target/18506
1109         * config/rs6000/altivec.md (vec_init<mode>): New.
1110         (vec_set<mode>): New.
1111         (vec_extract<mode>): New.
1112         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1113         (rs6000_expand_vector_set): New.
1114         (rs6000_expand_vector_extract): New.
1115         (rs6000_legitimate_offset_address_p): Offset addresses are valid
1116         for Altivec modes before reload.
1117         (altivec_expand_vec_init_builtin): New.
1118         (get_element_number): New.
1119         (altivec_expand_vec_set_builtin): New.
1120         (altivec_expand_vec_ext_builtin): New.
1121         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1122         builtins.
1123         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1124         builtins.
1125         * config/rs6000/rs6000.h (rs6000_builtins): Add
1126         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1127         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1128         * config/rs6000/rs6000-protos.h: Declare new functions.
1129
1130 2005-08-08  Jan Hubicka  <jh@suse.cz>
1131
1132         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1133         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1134         * i386.md (movdi*): Use pic_32bit_operand.
1135         * predicates.md (pic_32bit_operand): New.
1136
1137 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
1138
1139         PR c++/21166
1140         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1141
1142 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
1143
1144         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1145         (test_for_singularity): Use fold_build2.
1146
1147 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1148
1149         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1150
1151 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
1152
1153         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1154         (COMMON_ASM_OP) Define.
1155         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1156         (ix86_encode_section_info): Likewise.
1157         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1158         SUBTARGET_ENCODE_SECTION_INFO.
1159
1160 2005-08-06  Richard Henderson  <rth@redhat.com>
1161
1162         PR 21894
1163         * tree-nested.c (convert_local_reference): Save and restore val_only
1164         around component_ref and friends.  Clear walk_subtrees by default.
1165
1166 2005-08-06  Peter O'Gorman  <peter@pogma.com>
1167
1168         PR 21366
1169         * gcc.c (process_command): Check the argument to -b has a dash.
1170         * doc/invoke.texi: Update -b and -V docs.
1171
1172 2005-08-06  James E Wilson  <wilson@specifix.com>
1173
1174         * config/mips/cross64.h, config/mips/t-cross64: Delete.
1175
1176 2005-08-06  Michael Matz  <matz@suse.de>
1177
1178         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1179         member only if only one insn is associated with the value.
1180
1181 2005-08-06  Nick Clifton  <nickc@redhat.com>
1182
1183         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1184         New define.
1185         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1186         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1187         Check symbol flags instead of symbol name mangling.
1188         (xstormy16_asm_output_aligned_common): Likewise.  Also
1189         simplify code since the bss100_section cass is the only case
1190         where the below100 code will be triggered.
1191         (xstormy16_encode_section_info): Encode below100 attribute
1192         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1193         the name.
1194         (xstormy16_strip_name_encoding): Delete - this function is no
1195         longer needed.
1196         (TARGET_STRIP_NAME_ENCODING): Undefine.
1197         * config/stormy16/stormy16-protos.h: Delete prototype for
1198         xstormy16_strip_name_encoding.
1199
1200 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
1201
1202         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1203         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1204         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1205         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1206         config/alpha/predicates.md, config/arc/arc.h,
1207         config/arm/arm.h, config/arm/ieee754-df.S,
1208         config/arm/ieee754-sf.S, config/bfin/bfin.c,
1209         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1210         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1211         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1212         config/m68hc11/m68hc11.h, config/mips/mips.c,
1213         config/mips/mips.h, config/mips/openbsd.h,
1214         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1215         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1216         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1217         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1218         config/sparc/linux.h, config/sparc/linux64.h,
1219         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1220         doc/extend.texi, doc/gcov.texi, doc/install.texi,
1221         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1222         typos.  Follow spelling conventions.
1223
1224 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
1225
1226         PR c/23113
1227         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1228         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1229         specially.  Check for side effects only for COND_EXPR.
1230         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1231         return with TREE_NO_WARNING.
1232
1233 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
1234
1235         PR rtl-optimization/23233
1236         * loop.c (combine_movables): Require the modes to be the same.
1237         (move_movables): Remove handling of cases where the replacement
1238         had a different mode to the original.
1239
1240 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
1241
1242         PR tree-optimization/23128
1243         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1244         subtraction wrap, and set TREE_OVERFLOW if they do.
1245
1246 2005-08-05  Richard Henderson  <rth@redhat.com>
1247
1248         PR 21728
1249         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1250         FORCED_LABEL labels.
1251
1252 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
1253
1254         PR middle-end/23135
1255         * reload.c (find_reloads_subreg_address): Pass down TYPE
1256         unchanged.  Change all callers except find_reloads_toplev.
1257
1258 2005-08-05  Michael Matz  <matz@suse.de>
1259
1260         * genattrtab.c (current_alternative_string): Remove.
1261         (SIMPLIFY_ALTERNATIVE): Ditto.
1262         (attr_alt_bit_p): Ditto.
1263         (alternative_name): Make const char *.
1264         (evaluate_eq_attr): Remove use of above things.
1265         (simplify_test_exp): Ditto.
1266         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1267         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1268
1269 2005-08-04  James E Wilson  <wilson@specifix.com>
1270
1271         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1272         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1273         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1274         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1275         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1276
1277 2005-08-04  Richard Henderson  <rth@redhat.com>
1278
1279         PR 21529
1280         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1281         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1282         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
1283         if we'd have to instantiate too many members.
1284
1285 2005-08-04  Richard Henderson  <rth@redhat.com>
1286
1287         PR 21291
1288         * tree-outof-ssa.c (coalesce_asm_operands): New.
1289         (coalesce_ssa_name): Use it.  Split out ...
1290         (coalesce_phi_operands, coalesce_result_decls): ... these.
1291
1292 2005-08-04  Paul Brook  <paul@codesourcery.com>
1293
1294         * read-rtl.c (read_quoted_string): Break if EOF.
1295
1296 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
1297
1298         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1299         (fold_build2): Likewise.
1300         (fold_build3): Likewise.
1301         (fold_build1_stat): New function prototype.
1302         (fold_build2_stat): Likewise.
1303         (fold_build3_stat): Likewise.
1304         * fold-const.c (fold_build1): Rename to ..
1305         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1306         through to build1_stat.
1307         (fold_build2): Rename to ..
1308         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1309         through to build2_stat.
1310         (fold_build3): Rename to ..
1311         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
1312         through to build3_stat.
1313
1314 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
1315             Ian Lance Taylor  <ian@airs.com>
1316
1317         * function.c (assign_stack_local_1): Do not correct stack slot
1318         address if allocation size is smaller than mode size.
1319
1320 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
1321
1322         PR 22037
1323         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1324         (tree_merge_blocks): Propagate anything allowed by
1325         may_propagate_copy.
1326         Clarify documentation.
1327         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1328         SSA form, schedule an update if necessary.
1329
1330 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
1331
1332         * doc/install.texi (Binaries): Remove broken link to
1333         Sinix/Reliant Unix binaries.
1334
1335 2005-08-03  Richard Henderson  <rth@redhat.com>
1336
1337         PR 23221
1338         * function.c (stack_protect_epilogue): Export.
1339         * tree.h (stack_protect_epilogue): Declare.
1340         * calls.c (expand_call): Call it.
1341
1342 2005-08-03  Eric Christopher  <echristo@apple.com>
1343
1344         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1345         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1346         spec.
1347
1348 2005-08-04  Jan Hubicka  <jh@suse.cz>
1349
1350         * profile.c (branch_prob): Split edges with goto locus on them
1351         to get proper line counts.
1352         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1353
1354 2005-08-03  Paul Brook  <paul@codesourcery.com>
1355
1356         * function.c (assign_parms): Round current_function_args_size
1357         to PARM_BOUNDARY, not STACK_BOUNDARY.
1358
1359 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
1360
1361         * config/i386/i386.c (x86_elf_aligned_common)
1362         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1363
1364 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
1365
1366         PR tree-optimization/23157
1367         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1368         before emitting them.
1369
1370 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1371
1372         PR tree-optimization/19899
1373         * Makefile.in (tree-scalar-evolution.o): Add real.h.
1374         * tree-scalar-evolution.c: Include real.h.
1375         (add_to_evolution): Build constant -1 of correct type.
1376
1377 2005-08-03  Jan Hubicka  <jh@suse.cz>
1378
1379         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1380         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1381         profile updating for complette unrolling.
1382         * loop-unroll.c (peel_loop_completely): Use it.
1383         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1384         (tree_unroll_loops_completely): Disable code growing unrolling of cold
1385         loops.
1386
1387 2005-08-03  Paul Brook  <paul@codesourcery.com>
1388
1389         * combine.c (can_change_dest_mode): New function.
1390         (try_combine, simplify_set): Use it.
1391
1392 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
1393
1394         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1395         TFmode to BLKmode.
1396
1397 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
1398
1399         * doc/install.texi (Specific): Adjust link to openavr.org.
1400         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1401         (Binaries): Adjust HP-UX Porting Center link.
1402         (Binaries): Adjust Free Software Foundation ordering link.
1403
1404 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
1405
1406         * convert.c (convert_to_integer): Use fold_build1 instead of
1407         build1 when converting an integer to an integer.
1408
1409 2005-08-02  Richard Henderson  <rth@redhat.com>
1410
1411         * combine.c (combine_instructions): Don't use reg_equal/equiv
1412         results if the mode doesn't match.
1413
1414 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
1415
1416         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1417         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1418
1419 2005-08-02  Richard Henderson  <rth@redhat.com>
1420
1421         PR 23196
1422         * explow.c (memory_address): Remove special-case for
1423         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1424
1425 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
1426
1427         PR 23164
1428         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1429         number of calls to cleanup_tree_cfg_1.
1430
1431 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
1432
1433         * doc/invoke.texi: document file extensions .F90 and .F95
1434
1435 2005-08-02  Richard Guenther  <rguenther@suse.de>
1436
1437         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1438         positive if its first argument is positive.
1439
1440 2005-08-02  Richard Guenther  <rguenther@suse.de>
1441
1442         PR tree-optimization/23177
1443         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1444         on TMR_TAG.
1445
1446 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
1447
1448         PR tree-optimization/23129
1449         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1450         varying for divisions with anti-ranges.
1451
1452 2005-08-02  Jan Hubicka  <jh@suse.cz>
1453
1454         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1455         * tree-ssa-threadupdate.c (thread_block): Add it here.
1456
1457 2005-08-01  James E Wilson  <wilson@specifix.com>
1458
1459         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1460         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1461         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1462         New.
1463         * config/mips/predicates.md (const_call_insn_operand): Add check for
1464         SYMBOL_REF_LONG_CALL_P.
1465         * doc/extend.texi (long_call): Document the new attribute.
1466
1467 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1468             Richard Henderson  <rth@redhat.com>
1469
1470         * Makefile.in (RTL_BASE_H): Add real.h.
1471         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1472         instead of memcpy.
1473         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1474         directly.
1475         * rtl.c (rtl_check_failed_code_mode): New.
1476         * rtl.h (struct rtx_def): Add u.rv.
1477         (XCMWINT, XCNMPRV): New.
1478         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1479         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1480
1481 2005-08-01  Richard Henderson  <rth@redhat.com>
1482
1483         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1484         with auto-inc codes.
1485
1486         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1487
1488 2005-08-01  Jan Hubicka  <jh@suse.cz>
1489
1490         * i386-protos.h (asm_preferred_eh_data_format): Declare.
1491         * i386.c: Include dwarf2.h
1492         (asm_preferred_eh_data_format): New.
1493         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1494
1495 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1496
1497         * config/host-linux.c (linux_gt_pch_get_address): Add new name
1498         randomize_va_space for virtual address randomization control.
1499
1500 2005-08-01  Steven Bosscher  <stevenb@suse.de>
1501
1502         * common.opt (flag_ipa_cp): Put in right place to maintain
1503         alphabetic sort.
1504
1505 2005-08-01  Jan Hubicka  <jh@suse.cz>
1506
1507         * profile.c (compute_value_histograms): Fix thinko.
1508         * value-prof.c: Include toplev.h
1509         (check_counter): New function.
1510         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1511         tree_mod_subtract_transform): Add sanity check.
1512
1513 2005-08-01  Richard Guenther  <rguenther@suse.de>
1514
1515         PR tree-optimization/23133
1516         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1517         current functions parameter decls to find defs to cse
1518         reciprocals of.
1519
1520 2005-08-01  Richard Guenther  <rguenther@suse.de>
1521
1522         PR tree-optimization/23109
1523         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1524         If trapping math is in effect, use post-dominator information
1525         to check if we'd in any case reach a trapping point before
1526         doing the reciprocal insertion.
1527         (execute_cse_reciprocals): Compute post-dominators, if necessary.
1528         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1529         expressions are invariant only if trapping math is not in effect.
1530
1531 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1532
1533         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1534         cgraph_function_versioning): New declarations.
1535         * cgraphunit.c: Add include to ipa-prop.h.
1536         (update_call_expr, cgraph_copy_node_for_versioning,
1537         cgraph_function_versioning): New functions.
1538         * integrate.c (copy_decl_for_inlining): Remove.
1539         * ipa-prop.h (ipa_replace_map): New struct.
1540         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1541         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1542         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1543         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1544         ipcp_iterate_stage, ipcp_method_scale_print,
1545         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1546         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1547         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1548         ipcp_update_bb_counts, ipcp_update_profiling,
1549         ipcp_update_edges_counts): New functions.
1550         (ipcp_method_cval_init): Remove restriction regarding local methods.
1551         (ipcp_init_stage): Add ipcp_method_compute_scale.
1552         (ipcp_insert_stage): Add versioning.
1553         (ipcp_structures_print): Add ipcp_method_scale_print.
1554         (ipcp_driver): Dump profiling info.
1555         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1556         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1557         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1558         (struct inline_data): Add versioning_p, ipa_info, new fields.
1559         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1560         declare_return_variable): Replace calls to copy_decl_for_inlining with
1561         copy_decl_for_dup.
1562         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1563         versioning support.
1564         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1565         Add argument VERSIONING.
1566         (copy_arguments_for_versioning, copy_static_chain,
1567         function_versionable_p, tree_versionable_function_p,
1568         tree_function_versioning, replace_ref_tree): New functions.
1569         * tree-inline.h: Include varray.h.
1570         (tree_versionable_function_p,  tree_function_versioning,
1571         tree copy_decl_for_dup): New declarations.
1572
1573 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1574
1575         * ipa-cp.c: New file. Contains IPCP specific functionality.
1576         * ipa-prop.h: New file. Contains structures/definitions that can be
1577         used by several interprocedural data flow optimizations (and also IPCP).
1578         * ipa-prop.c: New file.
1579         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1580         * common.opt: Add ipa-cp flag.
1581         * timevar.def: Add IPCP optimization.
1582         * tree-optimize.c (init_tree_optimization_passes): Schedule
1583         pass_ipa_cp.
1584         * tree-pass.h (pass_ipa_cp): Declare.
1585
1586 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
1587
1588         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1589         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1590         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1591         config/i386/i386.c, config/mips/mips.h,
1592         config/rs6000/rs6000.h, config/sh/sh.c,
1593         config/stormy16/stormy16.c: Fix comment typos.
1594
1595 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
1596
1597         PR c/22311
1598         * c-typeck.c (build_binary_op): Use common_type wrapper on
1599         shortened types.
1600         (common_type): Update comment.
1601
1602 2005-07-31  Steven Bosscher  <stevenb@suse.de>
1603
1604         PR target/23095
1605         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1606         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1607         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1608
1609 2005-07-31  Jan Hubicka  <jh@suse.cz>
1610
1611         * pretty-print.h (pp_widest_integer): New macro.
1612         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1613         counts.
1614
1615 2005-07-31  Jan Hubicka  <jh@suse.cz>
1616
1617         * output.h (enum section_category): Export from varasm.c
1618         (categorize_decl_for_section): Likewise.
1619         * varasm.c (enum section_category): Kill.
1620         (categorize_decl_for_section): Make global.
1621         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1622         Declare.
1623         * i386.c (ix86_section_threshold): New static variable.
1624         (ix86_in_large_data_p, ix86_encode_section_info,
1625         x86_64_elf_unique_section,
1626         x86_64_elf_select_section): New functions.
1627         (TARGET_ENCODE_SECTION_INFO): Define
1628         (override_options): Enable medium model for PIC.
1629         (ix86_expand_prologue): Expand gen_set_got_rex64.
1630         (legitimate_constant_p): Handle new UNSPECs.
1631         (legitimate_pic_address_disp_p): Likewise.
1632         (legitimize_pic_address): Lower MEDIUM model addressing.
1633         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1634         (enum cmodel): Add MEDIUM_PIC.
1635         (SYMBOL_REF_FAR_ADDR_P): New macro.
1636         (SYMBOL_FLAG_FAR_ADDR): New flag.
1637         * i386.md (movdi): Support medium model.
1638         (set_got_rex64): New pattern.
1639         * i386.opt (mlarge-data-threshold): New flag.
1640         * predicates.md (zext_operand/sext_operand): Deal with medium model.
1641         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1642         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1643         TARGET_ASM_UNIQUE_SECTION): New.
1644
1645         * invoke.texi (-mlarge_data_threshold): Document
1646
1647 2005-07-31  Jan Hubicka  <jh@suse.cz>
1648
1649         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1650         (coalesce_vars): Likewise.
1651         * tree-ssa-live.c (coalesce_cost): New.
1652         (build_tree_conflict_graph): Use coalesce_cost.
1653         * tree-ssa-live.h (coalesce_cost): Declare.
1654
1655 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1656
1657         * arm.md (all peepholes for post-increment operations): Delete.
1658         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1659         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1660         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1661         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1662         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1663
1664 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
1665
1666         * fold-const.c (tree_expr_nonnegative_p): Always return true for
1667         non-integral types.
1668
1669 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
1670
1671         PR target/22582
1672         * doc/invoke.texi: Document -rdynamic.
1673
1674 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
1675
1676         PR c/23143
1677         * c-parser.c (c_parser_parms_list_declarator): Call
1678         mark_forward_parm_decls.
1679         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1680         decls with visibility structure.
1681
1682 2005-07-30  Paul Brook  <paul@codesourcery.com>
1683
1684         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1685
1686 2005-07-30  Paul Brook  <paul@codesourcery.com>
1687
1688         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1689         prototype.
1690         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1691         value for mode.
1692         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1693
1694 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1695
1696         PR c/529
1697         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1698         nested function declarators.
1699         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
1700         (grokparms): Call warn_if_shadowing for parameters used within the
1701         parameter list.
1702         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
1703         not used within the parameter list.
1704         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
1705
1706 2005-07-30  Jan Hubicka  <jh@suse.cz>
1707
1708         * expr.c (expand_expr_real_1): Do not load mem targets into register.
1709         * i386.c (ix86_fixup_binary_operands): Likewise.
1710         (ix86_expand_unary_operator): Likewise.
1711         (ix86_expand_fp_absneg_operator): Likewise.
1712         * optabs.c (expand_vec_cond_expr): Validate dest.
1713
1714 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1715
1716         PR c/21720
1717         * real.c (real_from_string): Also set last bit if there is a
1718         nonzero hex digit beyond GCC's internal precision after ".".
1719
1720 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
1721
1722         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
1723         define_constants.  Change duplicate values to unassigned numbers.
1724         Change UNSPEC_SUBS to UNSPEC_VSUBS.
1725         (*altivec_vspltsf): New.
1726         (altivec_vperm_v4sf): Delete.
1727         (altivec_vperm_<mode>): Use mode macro V.
1728         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
1729         (altivec_predicate_v4sf): Delete.
1730         (altivec_predicate_<mode>): Use mode macro V.
1731         (*altivec_lvesfx): New.
1732         (*altivec_stvesfx): New.
1733         (vec_realign_load_v4sf): Delete.
1734         (vec_realign_load_<mode>): Use mode macro V.
1735         * config/rs6000/rs6000.c (generate_set_vrsave): Use
1736         UNSPECV_SET_VRSAVE.
1737
1738 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
1739
1740         PR bootstrap/23131
1741         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
1742         string.
1743         * configure: Regenerated.
1744
1745 2005-07-29  Paul Brook  <paul@codesourcery.com>
1746
1747         * doc/install.texi: Add link to GFortran binaries wiki page.
1748
1749 2005-07-29  David Ung  <davidu@mips.com>
1750
1751         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
1752         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
1753         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
1754         * config/mips/mips.md (cpu): Add 5kf name.
1755         (includes): Includes 5k.md.
1756         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
1757         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
1758         -march flag.
1759
1760 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1761
1762         PR 22550
1763         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
1764         (cleanup_tree_cfg): ... here.
1765         Call cleanup_tree_cfg_1 until there are no more cleanups to
1766         do.
1767
1768 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
1769
1770         * tree-vrp.c (compare_range_with_value): Return true or false
1771         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
1772         EQ_EXPR respectively.
1773
1774 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
1775
1776         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
1777         Fix comment typos.
1778
1779 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1780
1781         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
1782         (tree_ssa_dominator_optimize): Increment it.
1783         (dump_dominator_optimization_stats): Print it.
1784
1785 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
1786             Steven Bosscher  <stevenb@suse.de>
1787
1788         PR rtl-optimization/23117
1789         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
1790         when head == tail.  Tidy comment.
1791
1792 2005-07-28  Richard Henderson  <rth@redhat.com>
1793
1794         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
1795         * cselib.c (rtx_equal_for_cselib_p): Likewise.
1796         * jump.c (rtx_renumbered_equal_p): Likewise.
1797         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
1798         CONST_INT and CONST_DOUBLE.
1799         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
1800         * reload.c (operands_match_p): Special case CONST_INT and
1801         CONST_DOUBLE; check mode earlier.
1802
1803 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1804
1805         PR c/22240
1806         * c-typeck.c (convert_for_assignment): Do not check
1807         DECL_IN_SYSTEM_HEADER on NULL fundecl.
1808
1809 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1810
1811         PR c/22192
1812         * c-typeck.c (composite_type): Prefer constant size arrays to
1813         VLAs.
1814
1815 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1816
1817         PR c/21720
1818         * real.c (real_from_string): Set last bit if there is a nonzero
1819         hex digit beyond GCC's internal precision.
1820
1821 2005-07-28  Richard Henderson  <rth@redhat.com>
1822
1823         PR rtl-opt/22619
1824         * cfgcleanup.c (try_forward_edges): Watch out for end of
1825         insn chain.
1826
1827 2005-07-28  James E Wilson  <wilson@specifixinc.com>
1828
1829         PR c/23106
1830         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
1831
1832 2005-07-28  Jan Hubicka  <jh@suse.cz>
1833
1834         * Makefile.in (rtl-profile.o): Kill all traces of it.
1835         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
1836         * coverage.h (rtl_coverage_counter_ref): Kill.
1837         * opts.c (flag_speculative_prefetching_set): Kill.
1838         (flag_loop_optimize_set): New.
1839         (common_handle_option): Disable loop optimizer when profiling;
1840         do not handle speculative prefetching.
1841         * passes.c (init_optimization_passes): Replace pass_profiling combo
1842         by branch_prob pass.
1843         * profile.c (compute_value_histograms): Update for simplified value
1844         profiles.
1845         (rtl_register_profile_hooks): Kill.
1846         (pass_profiling): Kill.
1847         (rest_of_handle_branch_prob): Do not profile.
1848         * toplev.c (process_options): Remove speculative prefetching.
1849         * toplev.h (flag_tree_based_profiling): Kill.
1850         * tree-profile.c (prepare_instrumented_value,
1851         tree_gen_interval_profiler, tree_gen_pow2_profiler,
1852         tree_gen_one_value_profiler, do_tree_profiling): Update for
1853         simplified datastructures.
1854         * value-prof.c: Add comment that speculative prefetching was dropped;
1855         update rest of file for simplified datastructures.
1856         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
1857         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
1858         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
1859         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
1860         rtl_mod_subtract, gen_speculative_prefetch,
1861         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
1862         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
1863         (gate_handle_value_profile_transformations,
1864         rest_of_handle_value_profile_transformations,
1865         pass_value_profile_transformations): Kill.
1866         * value-prof.h (histogram_value_t): Remove IL based unions.
1867         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
1868         rtl_profile_hooks): Remove hooks.
1869
1870         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
1871
1872         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
1873         (cgraph_clone_node): Likewise.
1874         * cgraph.h (cgraph_clone_edge): Update prototype.
1875         (cgraph_clone_node): Likewise.
1876         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1877         cgraph_clone_node.
1878         (lookup_recursive_calls): Consider profile.
1879         (cgraph_decide_recursive_inlining): Fix updating; use new
1880         probability argument; use profile.
1881         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
1882         * tree-inline.c (copy_bb): Update clal of clone_edge.
1883         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
1884
1885         * invoke.texi (min-inline-recursive-probability): Document.
1886
1887 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
1888
1889         * doc/install.texi (Configuration): Update Valgrind homepage.
1890
1891 2005-07-28  Richard Henderson  <rth@redhat.com>
1892
1893         PR middle-end/21362
1894         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
1895         labels we want to delete.
1896         (cfg_layout_merge_blocks): Likewise.
1897
1898 2005-07-28  Richard Henderson  <rth@redhat.com>
1899
1900         PR target/17692
1901         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
1902         when expanding to nothing.
1903
1904 2005-07-28  Josh Conner  <jconner@apple.com>
1905
1906         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
1907         (cgraph_decide_inlining_of_small_functions): Likewise.
1908
1909 2005-07-28  Josh Conner  <jconner@apple.com>
1910
1911         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
1912         direction of badness if negative.
1913         (cgraph_default_inline_p): Add reason to parameters, and assign it
1914         a value.
1915         (cgraph_decide_inlining_of_small_functions): New parameter in call
1916         to cgraph_default_inline_p.
1917         (cgraph_decide_inlining_incrementally): Likewise.
1918         * cgraphunit.c (decide_is_function_needed): Likewise.
1919         * cgraph.h (cgraph_default_inline_p): Likewise.
1920
1921 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1922
1923         * builtins.c: Fix comment typo(s).
1924         * genautomata.c: Likewise.
1925         * gimplify.c: Likewise.
1926         * tree-dfa.c: Likewise.
1927         * tree-flow-inline.h: Likewise.
1928         * tree-into-ssa.c: Likewise.
1929         * tree-ssa-alias.c: Likewise.
1930         * tree-ssa-ccp.c: Likewise.
1931         * tree-ssa-copy.c: Likewise.
1932         * tree-ssa-dce.c: Likewise.
1933         * tree-ssa-dom.c: Likewise.
1934         * tree-ssa-operands.c: Likewise.
1935         * tree-tailcall.c: Likewise.
1936         * tree-vectorizer.c: Likewise.
1937         * tree-vrp.c: Likewise.
1938         * tree.c: Likewise.
1939
1940 2005-07-28  Jeff Law  <law@redhat.com>
1941
1942         * tree-vrp.c (test_for_singularity): Extracted from  ...
1943         (simplify_cond_using_ranges): Attempt to simplify a relational
1944         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
1945
1946 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
1947
1948         PR tree-optimization/22506
1949         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
1950         phis whose argument is constant.
1951
1952 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
1953
1954         PR rtl-optimization/18992
1955         Back out this patch:
1956           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1957           PR optimization/12142
1958           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
1959           uses of the register in the SET_SRC.  Remove unnecessary argument.
1960
1961         Replace it with this:
1962         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
1963         if flag_non_call_exceptions is set and the insn may trap, pass
1964         pc_rtx as dest for recursion.
1965         In SET_SRC part of SET case, if dest is already set, pass it down
1966         unchanged.
1967
1968 2005-07-28  Jan Hubicka  <jh@suse.cz>
1969
1970         * cfg.c (update_bb_profile_for_threading): Use RDIV.
1971         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
1972         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
1973         roundoff errors.
1974         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
1975         profile when available.
1976
1977 2005-07-28  Jan Beulich <jbeulich@novell.com>
1978
1979         * config/ia64/ia64.c (ia64_load_pair_ok): New.
1980         (ia64_print_operand): Describe and handle 'X'.
1981         (ia64_register_move_cost): Also handle FP_REGS.
1982         (ia64_preferred_reload_class): Likewise.
1983         (ia64_secondary_reload_class): Likewise.
1984         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
1985         it. Also check for ITANIUM_CLASS_FLDP.
1986         * config/ia64/ia64.h (FP_REGNO_P): New.
1987         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
1988         (reg_class): Add FP_REGS.
1989         (REG_CLASS_NAMES): Adjust for it.
1990         (REG_CLASS_CONTENTS): Likewise.
1991         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
1992         (REG_CLASS_FROM_LETTER): Handle 'x'.
1993         (CLASS_MAX_NREGS): Handle FP_REGS.
1994         (MEMORY_MOVE_COST): Likewise.
1995         * config/ia64/ia64.md (itanium_class): Add fldp.
1996         (type): Handle fldp.
1997         (movti_internal): More allowable operand combinations. Use ldfp8 when
1998         splitting unnecessary. Remove predicable attribute. Adjust
1999         itanium_class attribute.
2000         (smuldi3_highpart): Remove outdated comment.
2001         (mulditi3, umulditi3, rotlti3): New expanders.
2002         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2003         (absti2): Disabled new insn for future reference.
2004         Respective new splitters.
2005         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2006         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2007         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2008
2009 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
2010
2011         PR rtl-optimization/23047
2012         * simplify-rtx.c (simplify_const_relational_operation): Respect
2013         flag_wrapv for comparisons with ABS.
2014
2015 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
2016
2017         PR tree-optimization/22493
2018         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2019         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2020
2021 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
2022
2023         * config/frv/frv.opt (moptimize-membar): New.
2024
2025         * doc/invoke.texi: Document -moptimize-membar and its inverse.
2026
2027         * config/frv/frv.h: Remove machine_function definition.
2028
2029         * config/frv/frv.c (struct frv_io): New.
2030         (struct machine_function): Moved from frv.h.  Add has_membar_p.
2031         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2032         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2033         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2034         (frv_optimize_membar_global, frv_optimize_membar): New functions.
2035         (frv_reorg): Call frv_optimize_membar when appropriate.
2036         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2037         (frv_expand_builtin): Adjust calls accordingly.
2038         (frv_io_address_cookie): New function.
2039         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2040         load or store rather than a special insn.  Add ccnstant address and
2041         io-type operands to the membar.
2042         (frv_ifcvt_modify_tests): Unsign regno.
2043         (frv_ifcvt_modify_tests): Same.
2044
2045         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
2046         UNSPEC_OPTIONAL_MEMBAR constant.
2047         (builtin_read_<mode>): Delete.
2048         (builtin_write_<mode>): Delete.
2049         ("optional_membar_<mode>"): Add operand.
2050
2051         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2052         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2053         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2054         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2055         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2056         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2057         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2058         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2059         * testsuite/gcc.target/frv/all-read-write-1.c: New.
2060
2061 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2062
2063         * df.c (df_uses_record): Handle SCRATCH.
2064
2065 2005-07-28  Steven Bosscher  <stevenb@suse.de>
2066
2067         PR debug/20161
2068         * passes.c (rest_of_decl_compilation): If decl is a type and
2069         we have encountered errors, don't emit debug information.
2070
2071 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
2072
2073         * params.def: Fixed comment.
2074
2075 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
2076
2077         PR target/19885
2078         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2079         (TARGET_ASM_UNALIGNED_HI_OP): Add.
2080         (TARGET_ASM_UNALIGNED_SI_OP): Add.
2081
2082 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2083
2084         PR c++/22003
2085         * varasm.c (assemble_start_function): Don't do anything that may
2086         require a CFG if the current function is a thunk.
2087
2088 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
2089
2090         * doc/install.texi (Prerequisites): Mention that perl is needed
2091         to do export control in libstdc++ targetting Darwin.
2092
2093 2005-07-27  Steven Bosscher  <stevenb@suse.de>
2094
2095         PR rtl-optimization/17808
2096         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2097         (sched_insns_conditions_mutex_p): Split out from...
2098         (add_dependence): ...here.  But don't call it from here.
2099         (add_dependence_list): Check sched_insns_conditions_mutex_p
2100         before calling add_dependence.
2101         (add_dependence_list_and_free): Likewise.
2102         (fixup_sched_groups): Likewise.
2103         (sched_analyze_1): Likewise.
2104         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2105         (sched_analyze): Likewise.
2106         (sched_analyze_insn): Likewise.
2107         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2108         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
2109         dependencies on all COND_EXEC insns to jumps ending basic blocks
2110         when doing intrablock scheduling.
2111         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2112
2113 2005-07-27  Jeff Law  <law@redhat.com>
2114
2115         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2116         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
2117         equivalency sets, correctly handle the case were vr0 has an
2118         equivalency set, but vr1 does not.
2119
2120 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
2121
2122         PR tree-optimization/23073
2123         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2124         vect_print_dump_info before fprintf.
2125
2126 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2127
2128         PR tree-optimize/22348
2129         * tree-ssa-loop-niter.c (number_of_iterations_cond):
2130         Fold the partial computation.
2131
2132 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2133
2134         PR tree-optimization/22325
2135         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2136         Declare.
2137         * tree-scalar-evolution.c (scev_const_prop): Add generic final
2138         value replacement.
2139         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2140         (force_var_cost): ... this function.
2141         (compute_phi_arg_on_exit): Export.
2142
2143 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
2144
2145         PR tree-optimization/20773
2146         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2147         edge.
2148
2149 2005-07-27  Richard Guenther  <rguenther@suse.de>
2150
2151         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2152         Avoid pushing again if current struct contains only
2153         fields we decomposed.
2154
2155 2005-07-27  Jan Hubicka  <jh@suse.cz>
2156
2157         PR tree-optimization/22574
2158         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2159         not available.
2160
2161         * tree-tailcall.c (decrease_profile): New function.
2162         (eliminate_tail_call): Use it.
2163
2164         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2165         visibility flags correctly in whole program mode.
2166
2167 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
2168
2169         PR rtl-optimization/22472
2170         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2171
2172 2005-07-26  Steven Bosscher  <stevenb@suse.de>
2173
2174         PR tree-optimization/22504
2175         * tree-complex.c (expand_complex_addition): Use 'code' instead
2176         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2177
2178 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2179
2180         * config.gcc (cpu_type): Add frv case.
2181         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2182         (supported_defaults): Add fr550 case.
2183
2184 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
2185
2186         PR 22591
2187         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2188         whether a pointer of type T * may point to objects of type T *.
2189
2190 2005-07-26  DJ Delorie  <dj@redhat.com>
2191
2192         * configure: Regenerate.
2193
2194 2005-07-26  Dale Johannesen  <dalej@apple.com>
2195
2196         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
2197
2198 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
2199
2200         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2201         Clarify use of "build" in name.
2202
2203 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
2204
2205         * doc/extend.texi (Raw read/write Functions): New section.
2206         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2207         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2208         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2209         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2210         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2211         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2212         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2213         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2214         * config/frv/frv.c: Add bdesc_loads global.
2215         Add bdesc_stores global.
2216         (frv_init_builtins): Add support for __builtin_{read/write}*.
2217         (frv_volatile_memref): New.
2218         (frv_expand_load_builtin): New.
2219         (frv_expand_store_builtin): New.
2220         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2221         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2222         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2223         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2224         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2225         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2226         (builtin_read_<mode>): New.
2227         (builtin_write_<mode>): New.
2228         (builtin_write64): New.
2229         (optional_membar_<mode>): New.
2230
2231 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
2232
2233         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2234         (rather than units) against HOST_BITS_PER_WIDE_INT.
2235
2236 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
2237
2238         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2239         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2240         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2241         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2242         FSF address.
2243
2244         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2245         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2246         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2247         comment typos.
2248         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2249
2250 2005-07-26  Richard Guenther  <rguenther@suse.de>
2251
2252         PR tree-optimization/22486
2253         * fold-const.c (fold_unary): Fold away useless component
2254         references of the form (T *)&T.x, if the address
2255         doesn't change.
2256
2257 2005-07-25  James E Wilson  <wilson@specifixinc.com>
2258
2259         * dwarf2out.c (add_call_src_coords_attributes): New.
2260         (gen_inlined_subroutine_die): Call it.
2261         (maybe_emit_file, init_file_table): Add comments.
2262         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2263         maybe_emit_file.
2264         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2265         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2266         * tree.h (BLOCK_SOURCE_LOCATION): New.
2267         (struct tree_block): New field locus.
2268
2269 2005-07-26  Andreas Schwab  <schwab@suse.de>
2270
2271         PR rtl-optimization/23043
2272         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2273         when allocating a struct unoccr.
2274
2275 2005-07-25  Richard Henderson  <rth@redhat.com>
2276
2277         PR 22626
2278         * tree-complex.c (gate_no_optimization): True if errors.
2279         * Makefile.in (tree-complex.o): Update dependencies.
2280
2281 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
2282
2283         * config/frv/predicates.md (integer_register_operand): Use
2284         GPR_AP_OR_PSEUDO_P.
2285
2286 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2287
2288         PR tree-opt/22484
2289         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2290         after fold.
2291         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2292
2293 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
2294
2295         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2296         types when flag_unsafe_math_optimizations is true.
2297
2298 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
2299
2300         * gcc.c (option_map): Add --sysroot.
2301         (process_command): Handle --sysroot.
2302         (display_help): Document it.
2303         * doc/cppopts.tex (-isysroot): Document.
2304         * doc/invoke.texi (--sysroot): Document.
2305         * doc/install.texi (--with-build-sysroot): Document.
2306
2307         * Makefile.in (inhibit_libc): New variable.
2308         (INHIBIT_LIBC_CFLAGS): Likewise.
2309         (LIBGCC2_CFLAGS): Include
2310         $(INHIBIT_LIBC_CFLAGS).
2311         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2312         ($(T)crtbegin.o): Do not use @inhibit_libc@.
2313         ($(T)crtend.o): Likewise.
2314         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2315         ($(T)crtendS.o): Likewise.
2316         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2317         ($(T)crtendT.o): Likewise.
2318         (stmp-fixinc): Do not complain about missing headers if
2319         inhibit_libc.
2320         * configure.ac (inhibit_libc): Set it to true/false.
2321         (--with-build-sysroot): New option.  Use it to set
2322         SYSTEM_HEADER_DIR.
2323         * configure: Regenerated.
2324
2325 2005-07-25  Manfred Hollstein  <mh@suse.com>
2326
2327         * calls.c (store_one_arg): Fix unsigned comparison warning.
2328
2329 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2330
2331         PR other/22337
2332         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2333         (ggc_print_statistics): Initialize variable before use.
2334
2335 2005-07-25  Richard Guenther  <rguenther@suse.de>
2336
2337         * tree-dfa.c (mark_new_vars_to_rename): Protect against
2338         calling with a PHI_NODE argument.
2339
2340         * tree-flow-inline.h (overlap_subvar): Protect against
2341         possible overflow.
2342
2343 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
2344
2345         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2346         * configure: Regenerate.
2347
2348 2005-07-25  Ira Rosen  <irar@il.ibm.com>
2349
2350         * expr.c (highest_pow2_factor): Make extern.
2351         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2352         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2353         record_array_differ_p, array_ptr_differ_p): Likewise.
2354         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2355         additional cases. Call the above functions.
2356         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2357         base_object_differ_p when there are two base objects. Otherwise, compare
2358         base address and offset. Call may_alias_p.
2359         (dump_data_reference): Use a correct field name.
2360         (analyze_array): Make static. Initialize new data-ref fields.
2361         (analyze_indirect_ref): New function.
2362         (init_data_ref): Initialize new data-ref fields.
2363         (strip_conversion): Moved from tree-vect-analyze.c.
2364         (analyze_offset_expr, get_ptr_offset, address_analysis,
2365         object_analysis): Likewise.
2366         (analyze_offset): New function.
2367         (create_data_ref): Likewise.
2368         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2369         dimensions for ARRAY_REFs only.
2370         (build_classic_dist_vector): Make static.
2371         (access_functions_are_affine_or_constant_p): Call macro to get the
2372         address of access functions.
2373         (compute_all_dependences): Add new parameter
2374         compute_self_and_read_read_dependences. Compute self and read-read
2375         dependences if it is true.
2376         (find_data_references_in_loop): Call create_data_ref. Initialize new
2377         data-ref fields.
2378         (compute_data_dependences_for_loop): Add new parameter
2379         compute_self_and_read_read_dependences. Remove parameter nb_loops,
2380         compute nb_loops. Call compute_all_dependences,
2381         build_classic_dist_vector and build_classic_dir_vector with correct
2382         parameters.
2383         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2384         with correct parameters. Compare dimensions for ARRAY_REFs only.
2385         (free_data_refs): Call macro to free access functions.
2386         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2387         fields from stmt_vinfo.
2388         (struct base_object_info): New structure.
2389         (struct data_reference): Move fields to base_object_info. Add fields
2390         first_location and object_info for above structures. Move fields from
2391         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2392         aligned_to.  Add macros to access the new fields.
2393         Update functions declarations.
2394         * tree-flow.h (is_aliased_with): Declare.
2395         * tree-loop-linear.c (linear_transform_loops): Call
2396         compute_data_dependences_for_loop with correct parameters.
2397         * tree-ssa-alias.c (is_aliased_with): New function.
2398         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2399         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2400         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2401         vect_base_addr_differ_p, compute_subscript_distance and
2402         build_classic_dist_vector. Add printings. Check absolute value of
2403         distance.
2404         (vect_analyze_data_ref_dependences): Go through ddrs instead of
2405         data-refs.
2406         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2407         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2408         to bytes. Add printing.
2409         (vect_compute_data_refs_alignment): Go through loads and stores in one
2410         loop.
2411         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2412         vect_analyze_data_ref_access): Likewise.
2413         (vect_analyze_pointer_ref_access): Remove.
2414         (vect_address_analysis, vect_object_analysis): Likewise.
2415         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2416         and analyze data-refs in the loop.
2417         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2418         fields of data-ref instead of stmt. Add init to the offset from the
2419         base.
2420         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2421         (vect_update_init_of_dr): Likewise.
2422         (vect_update_inits_of_drs): Go through loads and stores in one loop.
2423         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2424         removed fields.
2425         (new_loop_vec_info): Initialize new fields.
2426         (destroy_loop_vec_info): Free new fields.
2427         (vect_strip_conversion): Remove.
2428         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2429         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2430         datarefs. Add new field ddrs.
2431         Add macros for the new fields access.
2432         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2433         base_aligned_p, misalignment, memtag, ptr_info and subvars.
2434         Remove their macros.
2435         * tree.h (highest_pow2_factor): Declare.
2436
2437 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
2438
2439         * calls.c (store_one_arg): Check for sibling call MEM arguments
2440         from already clobbered incoming argument area.
2441
2442 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2443
2444         * c-common.c (check_missing_format_attribute): New.
2445         * c-common.h (check_missing_format_attribute): Likewise.
2446         * c-typeck.c (convert_for_assignment): Use it.
2447
2448 2005-07-24  Andreas Schwab  <schwab@suse.de>
2449
2450         * config/m68k/m68k.md ("extendqidi2"): When source is an address
2451         register use a word move.  Correct operand of ext.w in 68000 code.
2452
2453 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
2454
2455         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2456         variables as declarations, rather than definitions.
2457
2458 2005-07-24  Ira Rosen  <irar@il.ibm.com>
2459
2460         PR tree-optimization/22526
2461         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2462         of the zero node.
2463
2464 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2465
2466         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2467         that C99 reserve for future use. Use it to define clog10,
2468         clog10f and clog10l.
2469
2470 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2471
2472         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2473         * configure.ac: Check for -Wmissing-format-attribute.
2474
2475         * configure: Regenerate.
2476
2477 2005-07-23  Richard Henderson  <rth@redhat.com>
2478
2479         PR tree-optimization/22623
2480         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2481
2482 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
2483
2484         PR target/22577
2485         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2486
2487 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2488
2489         * Makefile.in (C_TREE_H): Update dependencies.
2490         * c-tree.h: Include toplev.h.
2491         * diagnostic.h (diagnostic_set_info): Add format attribute.
2492         * rtl-error.c (diagnostic_for_asm): Likewise.
2493
2494 2005-07-23  Chao-ying Fu  <fu@mips.com>
2495
2496         * config/mips/mips-dsp.md: New file.
2497         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2498         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2499         functions.
2500         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2501         MIPS_BUILTIN_BPOSGE32.
2502         (mips_expand_builtin_direct): Add one parameter to indicate that
2503         builtin functions need to return a value.
2504         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2505         functions.
2506         (mips_regno_to_class): Add classes for 12 new DSP registers.
2507         (mips_subword): Change to check four HI registers.
2508         (mips_output_move): Output move to and from 6 new DSP accumulators.
2509         (override_options): Make sure -mdsp and -mips16 are not used together.
2510         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
2511         for machine modes.
2512         (mips_conditional_register_usage): Disable 6 new DSP accumulators
2513         when !TARGET_DSP.
2514         (print_operand): Add 'q' for printing DSP accumulators.
2515         (mips_cannot_change_mode_class): Check ACC_REGS.
2516         (mips_secondary_reload_class): Check ACC_REGS.
2517         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2518         (mips_register_move_cost): Check ACC_REGS.
2519         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2520         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2521         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2522         (dsp_bdesc): New array.
2523         (bdesc_arrays): Add DSP builtin function table.
2524         (mips_prepare_builtin_arg): Check predicate again after
2525         copy_to_mode_reg.
2526         (mips_expand_builtin): Add one more parameter to
2527         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2528         MIPS_BUILTIN_BPOSGE32.
2529         (mips_init_builtins): Initialize new function types.
2530         (mips_expand_builtin_direct): Check if builtin functions need to
2531         return a value and pass operands properly.
2532         (mips_expand_builtin_bposge): New function.
2533         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2534         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2535         (FIRST_PSEUDO_REGISTER): Increase to 188.
2536         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2537         Update for 12 new DSP registers.
2538         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2539         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2540         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2541         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2542         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2543         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2544         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2545         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2546         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2547         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2548         (REGISTER_NAMES): Add names for 12 new DSP registers.
2549         * config/mips/mips.md: Include mips-dsp.md.
2550         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2551         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2552         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2553         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2554         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2555         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2556         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2557         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2558         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2559         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2560         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2561         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2562         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2563         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2564         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2565         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2566         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2567         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2568         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2569         (UNSPEC_RDDSP): New constants.
2570         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2571         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
2572         A<-d alternative.
2573         * config/mips/mips.opt (-mdsp): New option.
2574         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2575         (reg_imm10_operand): New predicates.
2576         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2577         * doc/invoke.texi (-mdsp): Document new option.
2578
2579 2005-07-22  DJ Delorie  <dj@redhat.com>
2580
2581         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2582         to warning calls.
2583         * tree-inline.c (inlinable_function_p): Likewise.
2584
2585 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
2586
2587         PR debug/21828
2588         * toplev.c (check_global_declarations): Do not mark undefined
2589         variables as DECL_IGNORED_P.
2590         * varasm.c (first_global_object_name): GTY it.
2591         (weak_global_object_name): Likewise.
2592         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2593         a string to go into {weak,first}_global_object_name.
2594
2595 2005-07-22  DJ Delorie  <dj@redhat.com>
2596
2597         * c-format.c (check_function_format): Change warning control
2598         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2599
2600 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
2601
2602         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2603         &PTR->FLD a dereference of PTR.
2604         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2605         a potential dereference of PTR.
2606
2607 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
2608
2609         PR rtl-optimization/20370
2610         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2611         call allocate_reg_info if necessary.
2612
2613         PR rtl-optimization/21848
2614         * calls.c (emit_library_call_value_1): For const functions, add
2615         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2616
2617         PR rtl-optimization/22445
2618         * cselib.c (target.h): Include.
2619         (rtx_equal_for_cselib_p): Allow commutative matches.
2620         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2621         Remove MODE parameter.  Changed all callers.
2622
2623         PR rtl-optimization/22258
2624         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2625         New functions.
2626         (try_combine): Use likely_spilled_retval_p.
2627
2628 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
2629
2630         * config.gcc: Add crx-elf support.
2631
2632         * doc/contrib.texi: Mention crx.
2633         * doc/extend.texi: Document crx extensions.
2634         * doc/install.texi: Document crx install.
2635         * doc/invoke.texi: Document crx options.
2636         * doc/md.texi: Document crx constraints.
2637
2638         * config/crx/crx-protos.h: New file.
2639         * config/crx/crx.c: New file.
2640         * config/crx/crx.h: New file.
2641         * config/crx/crx.md: New file.
2642         * config/crx/crx.opt: New file.
2643         * config/crx/t-crx: New file.
2644
2645 2005-07-22  Manfred Hollstein  <mh@suse.com>
2646
2647         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2648         warnings.
2649         (int_add_graph_edge): Likewise.
2650         (collapse_nodes): Likewise.
2651         (process_unification_queue): Likewise.
2652
2653 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2654             Laurent GUERBY  <laurent@guerby.net>
2655
2656         PR tree-optimization/22336
2657         * function.c (record_block_change): Check for
2658         cfun->ib_boundaries_block.
2659
2660 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
2661
2662         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2663         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2664
2665 2005-07-21  DJ Delorie  <dj@redhat.com>
2666
2667         * toplev.c (warn_deprecated_use): Add warning control to warning
2668         call.
2669         * c-typeck.c (parser_build_binary_op): Likewise.
2670         (c_finish_if_stmt): Likewise.
2671         * c-common.c (check_function_sentinel): Likewise.
2672         (check_nonnull_arg): Likewise.
2673
2674 2005-07-21  Richard Henderson  <rth@redhat.com>
2675
2676         PR tree-opt/22504
2677         * tree-complex.c (complex_ssa_name_components): New.
2678         (cvc_lookup): Allow entry not found.
2679         (create_components): Remove.
2680         (create_one_component_var, get_component_var): New.
2681         (get_component_ssa_name, set_component_ssa_name): New.
2682         (extract_component): Use get_component_ssa_name.
2683         (update_complex_components): Use set_component_ssa_name.
2684         (update_complex_components_on_edge): Likewise.
2685         (update_phi_components): Create new PHI nodes directly, instead
2686         of adding insns to edges.
2687         (tree_lower_complex): Allocate and free complex_variable_components
2688         and complex_ssa_name_components here.
2689
2690 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
2691
2692         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2693         revert to returning false.
2694
2695 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2696
2697         PR target/21149
2698         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
2699
2700 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2701
2702         PR target/22576
2703         * config/i386/i386.md (cmpxf): Change operand constraints
2704         to "nonmemory_operand".
2705
2706 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2707
2708         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
2709
2710 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2711
2712         PR middle-end/21180
2713         * fold-const.c (fold_build1): Add checksum for the operands.
2714         (fold_build2): Likewise.
2715         (fold_build3): Likewise.
2716
2717 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2718
2719         PR middle-end/19055
2720         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
2721
2722 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2723
2724         * common.opt (-fforward-propagate): Committed by mistake,
2725         removed.
2726
2727 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2728
2729         * reg-stack.c: Fix comment typo(s).
2730         * tree-ssa-operands.c: Likewise.
2731         * tree-vectorizer: Likewise.
2732
2733 2005-07-21  Nick Clifton  <nickc@redhat.com>
2734
2735         * config/sh/symbian.c: Replace C++ style line comments with C
2736         style line comments.
2737         (symbian_add_attribute): Do not use a ? operator on the LHS of
2738         an assignment.
2739         (sh_symbian_handle_dll_attribute): Change the type of the
2740         method vector to "VEC(tree,gc)*" and use vector accessor
2741         macros to walk over the elements.
2742         (symbian_export_vtable_and_rtti_p): Likewise.
2743         (symbian_class_needs_attribute_p): Likewise.
2744
2745 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2746
2747         PR target/22085
2748         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
2749         initialize targetm.resolve_overloaded_builtin here.
2750         (altivec_expand_overloaded_builtin): Make it non-static.
2751         * config/rs6000/rs6000-protos.h
2752         (altivec_expand_overloaded_builtin): New prototype.
2753         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
2754         targetm.resolve_overloaded_builtin here.
2755         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
2756
2757 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2758             Zdenek Dvorak  <dvorakz@suse.cz>
2759
2760         PR tree-optimization/19210
2761         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
2762         New.
2763         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
2764         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
2765         rely on unproven assumptions.
2766         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
2767         * tree-flow.h (number_of_iterations_exit): Add final parameter.
2768         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
2769         to number_of_iterations_exit.
2770         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
2771         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
2772         * tree-ssa-loop-niter.c (find_loop_niter,
2773         estimate_numbers_of_iterations_loop): Likewise.
2774         (number_of_iterations_exit): Honor the new options.
2775         * doc/invoke.texi (Wunsafe-loop-optimizations,
2776         funsafe-loop-optimizations): Document them.
2777
2778 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
2779
2780         PR rtl-optimization/22167
2781         * gcse.c (hoist_code): Fix hoist_exprs[] check.
2782
2783 2005-07-20  Adam Nemet  <anemet@lnxw.com>
2784
2785         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
2786         __do_global_dtors_aux longcall.
2787
2788 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
2789
2790         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
2791         (old_special_pred_table): Don't reference
2792         SPECIAL_MODE_PREDICATES.
2793         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
2794         * config/arc/arc.h: Don't mention PREDICATE_CODES.
2795         * config/sh/predicates.h: Don't mention
2796         SPECIAL_MODE_PREDICATES.
2797         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2798         Remove.
2799
2800 2005-07-20  DJ Delorie  <dj@redhat.com>
2801
2802         * config.gcc: Add m32c-elf support.
2803
2804         * doc/contrib.texi: Mention m32c.
2805         * doc/extend.texi: Document m32c extensions.
2806         * doc/install.texi: Mention m32c.
2807         * doc/invoke.texi: Document m32c options.
2808         * doc/md.texi: Document m32c constraints.
2809
2810         * config/m32c/addsub.md: New file.
2811         * config/m32c/bitops.md: New file.
2812         * config/m32c/cond.md: New file.
2813         * config/m32c/jump.md: New file.
2814         * config/m32c/m32c-lib1.S: New file.
2815         * config/m32c/m32c-lib2.c: New file.
2816         * config/m32c/m32c-modes.def: New file.
2817         * config/m32c/m32c-pragma.c: New file.
2818         * config/m32c/m32c-protos.h: New file.
2819         * config/m32c/m32c.abi: New file.
2820         * config/m32c/m32c.c: New file.
2821         * config/m32c/m32c.h: New file.
2822         * config/m32c/m32c.md: New file.
2823         * config/m32c/m32c.opt: New file.
2824         * config/m32c/minmax.md: New file.
2825         * config/m32c/mov.md: New file.
2826         * config/m32c/muldiv.md: New file.
2827         * config/m32c/predicates.md: New file.
2828         * config/m32c/prologue.md: New file.
2829         * config/m32c/shift.md: New file.
2830         * config/m32c/t-m32c: New file.
2831
2832 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2833
2834         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2835         (stack_protect_set, stack_protect_test): New expanders.
2836         (stack_protect_set_si, stack_protect_set_si_media,
2837         stack_protect_set_di_media, stack_protect_test_si,
2838         stack_protect_test_si_media, stack_protect_test_di_media):
2839         New insns.
2840
2841 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
2842
2843         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
2844
2845 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
2846
2847         * tree.h (tree_expr_nonzero_p): Export.
2848         * fold-const.c (tree_expr_nonzero_p): Likewise.
2849         Return true for CALL_EXPRs that are alloca calls.
2850         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
2851         against zero.
2852         * tree-flow.h (expr_computes_nonzero): Remove.
2853         * tree-vrp.c (expr_computes_nonzero): Remove.
2854         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
2855         (extract_range_from_unary_expr): Likewise.
2856         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
2857         tree_expr_nonzero_p.
2858
2859 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2860
2861         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
2862         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
2863         extra arg "picreg" and use it instead of pic_offset_table_rtx.
2864         All callers changed.
2865         (frame_related_constant_load): New arg "related" which controls
2866         setting of RTX_FRAME_RELATED_P.  All callers changed.
2867         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
2868         (bfin_expand_prologue): Add stack limit checking.
2869         * config/bfin/bfin.md (trapifcc): New pattern.
2870
2871         * config/bfin/bfin.c: Include "langhooks.h".
2872         (def_builtin): Go through lang_hooks to call builtin_function.
2873
2874         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
2875         * config/bfin/predicates.md (symbol_ref_operand): New.
2876         (call_insn_operand): Delete.  All callers changed to use
2877         register_no_elim_operand.
2878         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
2879         call_cookie field.
2880         (function_arg): Use it to generate the call's operand 2.
2881         (bfin_longcall_p): New function.
2882         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
2883         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
2884         determine if the address needs to be in a REG.
2885         (bfin_handle_longcall_attribute): New function.
2886         (bfin_attribute_table): Add "longcall" and "shortcall".
2887         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
2888         (CUMULATIVE_ARGS): New member call_cookie.
2889         (PREDICATE_CODES): Add symbol_ref_operand.
2890         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
2891         extra USE to the pattern.
2892         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
2893         New patterns, split off call_insn, sibcall_insn, call_value_insn and
2894         sibcall_value_insn; now the new patterns handle direct calls and the
2895         old ones indirect calls.
2896         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
2897
2898 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
2899
2900         * doc/trouble.texi: Update section on handling of empty loops.
2901
2902 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
2903
2904         * config.gcc: Remove support for sparc-*-openbsd*,
2905         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
2906         ns32k-*-netbsd*.
2907         * config.host: Remove support for i860-*-sysv4* as a host.
2908         * config/i860/*, config/ip2k/*, config/ns32k/*,
2909         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
2910         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
2911         mention obsolete ports.
2912
2913 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2914
2915         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
2916         soft frame pointer.
2917         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
2918         of frame_pointer_rtx.
2919         (sh_expand_epilogue): Likewise.
2920         (sh_set_return_address): Likewise.
2921         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
2922         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
2923         offsets from FRAME_POINTER_REGNUM.
2924         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
2925         (sh_register_names): Add initializer for sfp.
2926         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
2927         (VALID_REGISTER_P): Likewise.
2928         (FIRST_PSEUDO_REGISTER): Update.
2929         (DWARF_FRAME_REGISTERS): Define.
2930         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
2931         (HARD_FRAME_POINTER_REGNUM): Define.
2932         (FRAME_POINTER_REGNUM): Redefine.
2933         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
2934         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
2935         from FRAME_POINTER_REGNUM.
2936         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
2937         FRAME_POINTER_REGNUM.
2938         (REG_CLASS_CONTENTS): Add sfp.
2939         (REG_ALLOC_ORDER): Likewise.
2940         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
2941         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
2942         of frame_pointer_rtx.
2943         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2944
2945 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
2946
2947         * fold-const.c (tree_expr_nonnegative_p): Only return true for
2948         ABS_EXPR when flag_wrapv is false because of INT_MIN.
2949         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
2950         of an ABS_EXPR.
2951         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
2952         ABS_EXPR<x>.
2953
2954 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
2955
2956         Make CONSTRUCTOR use VEC to store initializers.
2957         * c-common.c (complete_array_type): Update to cope with VEC in
2958         CONSTRUCTOR_ELTS.
2959         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
2960         (pp_c_constructor_elts): New function.
2961         * c-pretty-print.h (pp_c_constructor_elts): Declare.
2962         * c-typeck.c (build_function_call, build_c_cast, digest_init,
2963         struct constructor_stack, struct initializer_stack,
2964         constructor_elements, push_init_level, pop_init_level,
2965         add_pending_init, find_init_member, output_init_element): Update to
2966         cope with VEC in CONSTRUCTOR_ELTS.
2967         * coverage.c (build_fn_info_value, build_ctr_info_value,
2968         build_gcov_info): Likewise.
2969         * expr.c (categorize_ctor_elements_1, store_constructor,
2970         expand_expr_real_1): Likewise.
2971         * fold-const.c (fold_ternary): Likewise.
2972         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
2973         gimplify_init_constructor, gimplify_expr): Likewise.
2974         * tree-dump.c (dequeue_and_dump): Likewise.
2975         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
2976         node.
2977         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
2978         CONSTRUCTOR_ELTS.
2979         * tree-sra.c (generate_element_init_1): Likewise.
2980         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
2981         * tree-ssa-operands.c (get_expr_operands): Likewise.
2982         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
2983         * tree-vect-transform.c (vect_get_vec_def_for_operand):
2984         (get_initial_def_for_reduction): Likewise.
2985         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
2986         value handle in annotations.
2987         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
2988         tree_node_structure): Add support for constr_kind.
2989         (build_vector_from_ctor, build_constructor_single,
2990         build_constructor_from_list): New functions.
2991         (build_constructor): Update to take a VEC instead of a TREE_LIST.
2992         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
2993         Update to cope with VEC in CONSTRUCTOR_ELTS.
2994         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
2995         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
2996         CONSTRUCTOR_APPEND_ELT): New macros.
2997         (struct constructor_elt, struct tree_constructor): New data types.
2998         (union tree_node): Add tree_constructor field.
2999         * treestruct.def: Define TS_CONSTRUCTOR.
3000         * varasm.c (const_hash_1, compare_constant, copy_constant,
3001         compute_reloc_for_constant, output_addressed_constants,
3002         initializer_constant_valid_p, output_constant,
3003         array_size_for_constructor, output_constructor): Update to cope with
3004         VEC in CONSTRUCTOR_ELTS.
3005         * vec.h (VEC_empty, VEC_copy): New macros.
3006
3007 2005-07-19  Devang Patel  <dpatel@apple.com>
3008
3009         * dbxout.c (dbxout_type): Check Objective-C++ lang.
3010
3011 2005-07-19  Richard Henderson  <rth@redhat.com>
3012
3013         PR tree-opt/22278
3014         * gimplify.c (gimplify_expr): Use main variant type for the temp
3015         destination for a discarded volatile read.
3016         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3017         casts between non-void types that change volatility.
3018
3019 2005-07-15  DJ Delorie  <dj@redhat.com>
3020
3021         * toplev.h: Add comment about the first parameter for warning().
3022         * errors.h: Likewise.
3023
3024         * c.opt (Wpragmas): New.
3025         * doc/invoke.texi: Document it.
3026
3027         * function.c (do_warn_unused_parameter): Add warning control to
3028         warning call.
3029         * c-decl.c (warn_if_shadowing): Likewise.
3030         * c-lex.c (cb_def_pragma): Likewise.
3031         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3032         (pop_alignment): Likewise.
3033         (handle_pragma_pack): Likewise.
3034         (apply_pragma_weak): Likewise.
3035         (handle_pragma_weak): Likewise.
3036         (handle_pragma_redefine_extname): Likewise.
3037         (add_to_renaming_pragma_list): Likewise.
3038         (handle_pragma_extern_prefix): Likewise.
3039         (maybe_apply_renaming_pragma): Likewise.
3040         (handle_pragma_visibility): Likewise.
3041
3042         * config/c4x/c4x-c.c (BAD): Likewise.
3043         (c4x_parse_pragma): Likewise.
3044         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3045         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3046         (rs6000_pragma_longcall): Likewise.
3047         * config/v850/v850-c.c (pop_data_area): Likewise.
3048         (ghs_pragma_section): Likewise.
3049         (ghs_pragma_section): Likewise.
3050         (ghs_pragma_interrupt): Likewise.
3051         (ghs_pragma_starttda): Likewise.
3052         (ghs_pragma_startsda): Likewise.
3053         (ghs_pragma_startzda): Likewise.
3054         (ghs_pragma_endtda): Likewise.
3055         (ghs_pragma_endsda): Likewise.
3056         (ghs_pragma_endzda): Likewise.
3057
3058 2005-07-19  Danny Berlin <dberlin@dberlin.org>
3059             Kenneth Zadeck <zadeck@naturalbridge.com>
3060
3061         * Makefile.in: Removed tree-promote-statics.c
3062         * tree-promote-statics.c: Removed.
3063         * common.opt: Removed flag-promote-statics.
3064         * opts.c: Ditto.
3065         * passes.c: Removed tree-promote-statics pass.
3066         * tree-pass.h: Ditto.
3067         * timevar.def: Removed TV_PROMOTE_STATICS.
3068
3069
3070 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
3071
3072         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3073         and *-*-freebsd9.
3074         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3075
3076 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3077
3078         PR c/22476
3079         * c-common.c (check_function_arguments): Call
3080         'check_function_format' if either -Wformat or
3081         -Wmissing-format-attribute are specified.
3082         * c-format.c (check_function_format): Check -Wformat before
3083         calling 'check_format_info'.
3084         * c-opts.c (c_common_post_options): Don't warn for
3085         -Wmissing-format-attribute without -Wformat.
3086         * c-typeck.c (convert_for_assignment): Detect additional cases for
3087         -Wmissing-format-attribute.
3088         * doc/invoke.texi (-Wmissing-format-attribute): Document new
3089         behavior.
3090
3091 2005-07-19  Richard Guenther  <rguenther@suse.de>
3092
3093         * config/i386/i386.md (lrint<mode>2): Use temporary
3094         instead of clobbering non-existent memory.
3095
3096 2005-07-19  Nick Clifton  <nickc@redhat.com>
3097
3098         * config/avr/avr.c (legitimate_address_p): Fix debugging print
3099         statement to avoid displaying ASCII control characters.
3100
3101 2005-07-19  Ben Elliston  <bje@au.ibm.com>
3102
3103         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3104         * cfganal.c (find_edge_index): Ditto.
3105         * combine.c (combine_instructions): Ditto.
3106         * ddg.c (create_scc): Ditto.
3107         (find_successors): Ditto.
3108         (find_predecessors): Ditto.
3109         (find_nodes_on_paths): Ditto.
3110         (longest_simple_path): Ditto.
3111         * flow.c (update_life_info): Ditto.
3112         (count_or_remove_death_notes): Ditto.
3113         (clear_log_links): Ditto.
3114         * modulo-sched.c (generate_reg_moves): Ditto.
3115         (find_max_asap): Ditto.
3116         (find_max_hv_min_mob): Ditto.
3117         (find_max_dv_min_mob): Ditto.
3118         * sbitmap.c (sbitmap_first_set_bit): Ditto.
3119         * sched-rgn.c (extract_edgelst): Ditto.
3120         * tree-into-ssa.c (prepare_names_to_update): Ditto.
3121         (dump_update_ssa): Ditto.
3122         (ssa_names_to_replace) Ditto.
3123         (switch_virtuals_to_full_rewrite): Ditto.
3124         (update_ssa): Ditto.
3125         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3126
3127 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
3128
3129         Fix PR tree-optimization/22483
3130
3131         * tree-complex.c (create_components): Use
3132         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3133         * tree-flow-inline.h (fill_referenced_var_vec): New function.
3134         * tree-flow.h (safe_referenced_var_iterator): New structure.
3135         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3136         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3137         safe_referenced_var iterator.
3138         (add_type_alias): Ditto.
3139
3140 2005-07-19  Steven Bosscher  <stevenb@suse.de>
3141
3142         * loop-init.c (rest_of_handle_loop2): Remove.
3143         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3144         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3145         (pass_rtl_loop_init, pass_rtl_loop_done,
3146         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3147         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3148         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3149         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3150         pass_tree_loop_done, and pass_tree_unswitch.
3151         (gate_loop): Rename to gate_tree_loop.
3152         * passes.c (init_optimization_passes): Update for renamed tree
3153         loop passes.  Add the new loop2 passes as subpasses of loop2.
3154         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3155         Update for the renamed tree loop passes.
3156
3157 2005-07-18  Ian Lance Taylor  <ian@airs.com>
3158
3159         PR middle-end/22057
3160         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3161         blocks when optimizing.
3162
3163 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
3164
3165         * common.opt (frename-registers): Initialize to 2.
3166         (fweb): Ditto.
3167         (fgcse-after-reload): Ditto.
3168         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3169         (process_options): Only change flag_web, flag_rename_registers,
3170         and flag_rerun_cse_after_loop if not explicitly set by user.
3171
3172 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3173
3174         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3175         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3176         in 64-bit mode the same as DImode in 32-bit mode.
3177         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3178         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3179         mode. Add new mode parameter.
3180         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3181         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3182         x86_64_shift_adj): New expanders.
3183         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3184         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3185         insns.
3186         Respective new splitters. Use renamed shift splitter helpers in 32-bit
3187         DImode shift splitters.
3188         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3189         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3190         mode parameter.
3191
3192 2005-07-18  Jan Beulich  <jbeulich@novell.com>
3193
3194         * i386.md (movdi_extzv_1): New.
3195         (zero_extendhidi2): Combine alternatives and never force use of
3196         REX64 prefix.
3197         (zero_extendqidi2): Likewise. Don't restrict input selection.
3198
3199 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3200
3201         Fix PR tree-optimization/22531
3202         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
3203          moment.
3204
3205 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3206
3207         * tree-promote-statics.c (pass_promote_statics): Change dump file
3208          name.
3209
3210 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
3211
3212         * tree-optimize.c (init_tree_optimization_passes): Add
3213         pass_eliminate_useless_stores pass.
3214         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3215         * tree-ssa-pre.c (is_copy_stmt): New function.
3216         (follow_copies_till_vuse): Ditto.
3217         (do_eustores): Ditto.
3218         (gate_eustores): Ditto.
3219
3220 2005-07-16  Richard Henderson  <rth@redhat.com>
3221
3222         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3223
3224 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3225            Kenneth Zadeck <zadeck@naturalbridge.com>
3226
3227         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3228         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3229         ipa-type-escape.h, tree-promote-statics.c
3230         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3231         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3232         tree-promote-statics.c: new files.
3233         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3234         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3235         int nonlocal_set_p, mark_constant_function): Deleted.
3236         (rest_of_handle_cfg): Removed call to mark_constant_function.
3237         (nonoverlapping_component_refs_p): Added calls to support
3238         type based aliasing.
3239         * tree-ssa-alias.c (may_alias_p,
3240         compute_flow_insensitive_aliasing): Ditto.
3241         * calls.c (flags_from_decl_or_type): Removed reference to
3242         cgraph_rtl_info.
3243         * c-typeck.c (convert_arguments): Make builtins tolerant of having
3244         too many arguments.  This is necessary for Spec 2000.
3245         * cgraph.h (const_function, pure_function): Removed.
3246         * common.opt: Added "fipa-pure-const", "fipa-reference",
3247         "fipa-type-escape", and "ftree-promote-static".
3248         * opts.c: Ditto.
3249         * passes.c: Added ipa and tree-promote-statics passes.
3250         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3251         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3252         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3253         * tree-flow.h: Added exposed sra calls and addition of
3254         reference_vars_info field for FUNCTION_DECLS.
3255         * tree-pass.h: Added passes.
3256         * tree-sra.c: (sra_init_cache): New function.
3257         (sra_insert_before, sra_insert_after) Made public.
3258         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3259         and made public.
3260         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3261         aliasing. (may_alias_p): Added code to use type escape analysis to
3262         improve alias sets.
3263         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3264         code to prune clobbers of static variables based on information
3265         produced in ipa-reference pass.  Changed call clobbering so that
3266         statics are not marked as clobbered if the call does not clobber
3267         them.
3268
3269 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
3270
3271         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3272         too.
3273
3274 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
3275
3276         * doc/install.texi (*-*-solaris2*): Document recommended version
3277         of GNU binutils and mention GNU linker problem on Solaris 10.
3278
3279 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
3280
3281         PR c/22421
3282         * c-decl.c (c_build_bitfield_integer_type): New function.
3283         (finish_struct): Call it.
3284         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3285
3286 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3287
3288         * c-typeck.c (digest_init): Call 'convert_for_assignment'
3289         before returning.
3290
3291 2005-07-16  Jan Hubicka  <jh@suse.cz>
3292
3293         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3294         (scale_bbs_frequencies_int): Watch roundoff errors.
3295         * predict.c (return_prediction): Initialize return_stmt.
3296
3297 2005-07-16  Jan Hubicka  <jh@suse.cz>
3298
3299         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3300         after RTL profiling.
3301
3302 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
3303
3304         PR middle-end/22398
3305         * fold-const.c (build_range_check): Convert high/low to etype
3306         if we are only comparing against exp.
3307
3308 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
3309
3310         Fix PR tree-optimization/22376
3311         * tree-ssa-structalias.c (build_constraint_graph): We really meant
3312         special var here.
3313         (need_to_solve): New function.
3314         (compute_points_to_sets): Use it.
3315
3316 2005-07-15  Jan Hubicka  <jh@suse.cz>
3317
3318         * cfg.c (update_bb_profile_for_threading): More diagnostic.
3319         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3320
3321 2005-07-15  Richard Guenther  <rguenther@suse.de>
3322
3323         * c-common.c (handle_flatten_attribute): New function.
3324         Add flatten function attribute.
3325         * doc/extend.texi: Document flatten function attribute.
3326         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3327         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3328         New functions.
3329         (cgraph_decide_inlining): Handle functions with flatten
3330         attribute.
3331
3332 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
3333
3334         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3335         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3336         UNSPEC_XCHG, UNSPEC_AND): New.
3337         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3338         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3339         * config/rs6000/sync.md (FETCHOP): New code macro.
3340         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3341         New code attrs.
3342         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3343         (sync_compare_and_swap<mode>): Same.
3344         (sync_lock_test_and_set<mode>): Same.
3345         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3346         for QImode and HImode, and not PPC405.
3347         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3348         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3349         (sync_<fetchop>{si,di}_internal): New.
3350         (sync_nand{si,di}_internal): New.
3351         (sync_old_<fetchop>{si,di}_internal): New.
3352         (sync_old_nand{si,di}_internal): New
3353         (sync_new_<fetchop>{si,di}_internal): New.
3354         (sync_new_nand{si,di}_internal): New.
3355         (atomic_and{si,di}): New.
3356         (sync_new_nand{si,di}_internal): New.
3357         (atomic_and{si,di}): New.
3358         (sync_add<mode>_internal): Delete.
3359         (sync_addshort_internal): Use unspec instead of unspec_volatile.
3360         (sync_sub<mode>_internal): Delte.
3361         (sync_subshort_internal): New.
3362         (sync_andsi_internal): Use unspec instead of unspec_volatile.
3363         (sync_anddi_internal): Delete.
3364         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3365         (sync_booldi_internal): Delete.
3366         (sync_boolc<mode>_internal): Delete.
3367         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3368         (sync_boolc<mode>_internal2): Delete.
3369         (sync_boolcc<mode>_internal): Delete.
3370         (isync, lwsync): Use unspec instead of unspec_volatile.
3371         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3372         Revert UNSPEC_VOLATILE.
3373         (rs6000_split_atomic_op): New.
3374         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3375
3376 2005-07-14  Eric Christopher  <echristo@redhat.com>
3377
3378         * config/mips/mips.c (mips_canonicalize_comparison): Cast
3379         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3380
3381 2005-07-14  Eric Christopher  <echristo@redhat.com>
3382
3383         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3384
3385 2005-07-14  Steven Bosscher  <stevenb@suse.de>
3386
3387         PR tree-optimization/22230
3388         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3389         the computation of the four cross productions for "range op range".
3390
3391 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
3392             Ulrich Weigand  <uweigand@de.ibm.com>
3393
3394         PR target/20126
3395         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3396         in some insn.
3397
3398 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3399
3400         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3401
3402 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
3403
3404         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3405
3406 2005-07-14  Richard Guenther  <rguenther@suse.de>
3407
3408         PR middle-end/22347
3409         * config/i386/i386-protos.h (ix86_function_value): Change
3410         prototype to match new target hook.
3411         * config/i386/i386.c (ix86_value_regno): Change prototype
3412         to take extra type argument.
3413         (TARGET_FUNCTION_VALUE): Define.
3414         (ix86_function_ok_for_sibcall): Pass extra argument to
3415         ix86_value_regno, check return slot rtx for exact match.
3416         (ix86_function_value): Take extra parameter.  Dispatch to
3417         ix86_value_regno with fndecl/fntype as provided.
3418         (ix86_value_regno): Handle extra type argument.
3419         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3420
3421         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3422         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3423         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3424         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3425         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3426
3427 2005-07-14  Richard Guenther  <rguenther@suse.de>
3428
3429         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3430         * calls.c (expand_call): Pass fntype to hard_function_value.
3431         (emit_library_call_value_1): Likewise.
3432         * explow.c: Include target.h.
3433         (hard_function_value): Take extra argument, the fntype.
3434         Use new target hook for function_value.
3435         * expr.h (hard_function_value): Change prototype.
3436         * function.c (aggregate_value_p): Pass 0 as fntype to
3437         hard_function_value.
3438         (assign_parms): Use new target hook for function_value.
3439         Pass 0 as fntype to hard_function_value.
3440         (expand_function_end): Likewise.
3441         * reg-stack.c: Include target.h.
3442         (stack_result): Use new target hook for function_value.
3443         * target-def.h: New target hook function_value.
3444         * target.h: Likewise.
3445         * targhooks.c (default_function_value): New function.
3446         * targhooks.h (default_function_value): Declare.
3447
3448 2005-07-13  Ian Lance Taylor  <ian@airs.com>
3449
3450         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3451
3452 2005-07-14  Jan Hubicka  <jh@suse.cz>
3453
3454         * tree-dfa.c (dump_variable): Use default_def function.
3455         * tree-ssa-alias.c (dump_points_to_info): Likewise.
3456         * tree-ssa.c (verify_use): Likewise.
3457         * tree-ssanames.c (release_ssa_name): Likewise.
3458         * tree-tailcall.c (eliminate_tail_call): Likewise.
3459         (tree_optimize_tail_calls_1): Likewise.
3460         * tree-vrp.c (get_value_range): Likewise.
3461
3462 2005-07-14  Ben Elliston  <bje@au.ibm.com>
3463
3464         * gcc.c (main): Compare language[0] with '*' when iterating over
3465         the infiles.
3466
3467 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3468
3469         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3470         "s390_emit_compare".  Add handling of CCZ1mode.
3471         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3472         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3473         checking.
3474         (s390_branch_condition_mask): Add CCZ1mode handling.
3475         * config/s390/s390.md: ("seq", "*seq"): New pattern.
3476         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3477         Use CCZ1mode instead of CCZmode.
3478         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
3479
3480 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3481
3482         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3483         pattern.
3484         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3485
3486 2005-07-13  Eric Christopher  <echristo@redhat.com>
3487
3488         * config/mips/mips.c (mips_canonicalize_comparison): New.
3489         (mips_emit_int_relational): Use.
3490
3491 2005-07-13  Eric Christopher  <echristo@redhat.com>
3492
3493         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3494         static extra parts.
3495         * config/s390/s390.md: Include tpf.md. Move tpf specific
3496         patterns...
3497         * config/s390/tpf.md: To here.
3498         * config/s390/s390.opt: Move tpf specific options...
3499         * config/s390/tpf.opt: to here. Add mmain option.
3500         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3501         * config/s390/tpf.h: Rewrite.
3502
3503 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3504
3505         * doc/tm.texi: Remove @xref{Cross-profiling}.
3506
3507 2005-07-13  Jeff Law  <law@redhat.com>
3508
3509         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3510         expressions, test their _DECL operands for pointer equality rather
3511         than using operand_equal_p.
3512
3513 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3514
3515         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3516         (TARGET_POSIX_IO): This.
3517         * config/darwin.h: Likewise.
3518         * config/freebsd.h: Likewise.
3519         * config/linux.h: Likewise.
3520         * config/lynx.h: Likewise.
3521         * config/netbsd.h: Likewise.
3522         * config/rs6000/linux64.h: Likewise.
3523         * config/rs6000/linux.h: Likewise.
3524         * config/s390/tpf.h: Likewise.
3525         * config/sh/embed-elf.h: Likewise.
3526         * config/sparc/linux64.h: Likewise.
3527         * config/sparc/linux.h: Likewise.
3528         * config/svr4.h: Likewise.
3529         * gcov-io.h: Likewise.
3530
3531         * doc/tm.texi: Updated.
3532
3533         * libgcov.c (create_file_directory): Defined only if
3534         TARGET_POSIX_IO is defined.
3535         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3536         is defined.
3537
3538 2005-07-13  Jan Hubicka  <jh@suse.cz>
3539
3540         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3541
3542 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
3543
3544         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3545         structure as argument.
3546
3547 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
3548
3549         PR tree-optimization/21921
3550         * tree-iterator.c (tsi_link_before): Support the case when
3551         tsi_end_p (tsi) == true.
3552
3553 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3554
3555         PR tree-optimization/22442
3556         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3557         correctly.
3558
3559 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3560
3561         PR rtl-optimization/20376
3562         * toplev.c (process_options): Enable -fweb and -frename-registers when
3563         unrolling.
3564         * doc/invoke.texi: Update the information about when -fweb and
3565         -frename-registers are enabled.
3566
3567 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3568
3569         PR tree-opt/21840
3570         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3571         if *rhs_p is not a SSA_NAME.
3572
3573 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
3574
3575         Fix PR tree-optimization/22422
3576         * tree-ssa-structalias.c (struct variable_info): Add flag for
3577         special vars.
3578         (get_varinfo): Now a static function.
3579         (new_varinfo): init has_union and is_special_var to false.
3580         (solution_set_add): Check has_union.
3581         (do_da_constraint): Move temporary variable so it gets reset
3582         properly.
3583         Also check for special variable.
3584         (do_ds_constraint): Ditto.
3585         (do_sd_constraint): Ditto.
3586         (do_structure_copy): Check for special variable.
3587         (find_func_aliases): Ditto.
3588         (init_base_vars): Set special vars properly.
3589
3590 2005-07-13  Jan Hubicka  <jh@suse.cz>
3591
3592         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3593         do unit-at-a-time.
3594
3595         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3596         (get_expr_operands): Fix thinko wrt flags and subvars.
3597
3598         PR tree-optimize/22379
3599         * tree-inline.c (expand_call_inline): Do not output sorry in early
3600         inlining.
3601
3602 2005-07-12  Dale Johannesen  <dalej@apple.com>
3603
3604         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
3605
3606 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3607
3608         PR bootstrap/21704
3609         * host-linux.h: Include limits.h.
3610
3611 2005-07-12  Dale Johannesen  <dalej@apple.com>
3612
3613         * expr.c (compress_float_constant):  Add cost check.
3614         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
3615
3616 2005-07-12  Dale Johannesen  <dalej@apple.com>
3617
3618         * gcc.target/i386/compress-float-sse.c:  New.
3619         * gcc.target/i386/compress-float-sse-pic.c:  New.
3620         * gcc.target/i386/compress-float-387.c:  New.
3621         * gcc.target/i386/compress-float-387-pic.c:  New.
3622         * gcc.dg/compress-float-ppc.c:  New.
3623         * gcc.dg/compress-float-ppc-pic.c:  New.
3624
3625 2005-07-12  Eric Christopher  <echristo@redhat.com>
3626
3627         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3628         static extra parts.
3629         * config/s390/s390.md: Include tpf.md. Move tpf specific
3630         patterns...
3631         * config/s390/tpf.md: To here.
3632         * config/s390/s390.opt: Move tpf specific options...
3633         * config/s390/tpf.opt: to here. Add mmain option.
3634         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3635         * config/s390/tpf.h: Rewrite.
3636
3637 2005-07-12  Eric Christopher  <echristo@redhat.com>
3638
3639         * gcc.c (struct infile): Update comment for language.
3640         (main): Rewrite input file resetting code.
3641
3642 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3643
3644         PR tree-opt/22335
3645         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3646         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
3647         (lookup_avail_expr): Use constant_boolean_node instead
3648         of boolean_false_node/boolean_true_node.
3649
3650 2005-07-12  Ben Elliston  <bje@au.ibm.com>
3651
3652         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3653         and use it when printing num_edges.
3654
3655 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3656
3657         * doc/extend.texi (Blackfin Built-in Functions): New section.
3658         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3659         @opindex.
3660
3661 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
3662
3663         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3664         s/cmpstrsi/cmpstrnsi
3665         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3666         'cmpstrnsi'.
3667         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3668         (init_optabs): Initialize cmpstrn_optab.
3669         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3670         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3671         * expr.c: (enum insn_code cmpstrn_optab): Declare.
3672         * config/i386/i386.md: s/cmpstr/cmpstrn
3673         * config/c4x/c4x.md: s/cmpstr/cmpstrn
3674         * doc/md.texi: Update documentation.
3675
3676 2005-07-11  Richard Henderson  <rth@redhat.com>
3677
3678         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3679         build_va_arg_indirect_ref.
3680         (alpha_gimplify_va_arg): Likewise.
3681         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3682         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3683         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3684         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3685         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3686         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3687         Likewise.
3688         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3689
3690 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3691
3692         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3693         * passes.c (init_optimization_passes): Add pass_empty_loop.
3694         * tree-pass.h (pass_empty_loop): Declare.
3695         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3696         try_remove_empty_loop, remove_empty_loops): New functions.
3697         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3698         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
3699
3700 2005-07-12  Peter Barada  <peter@the-baradas.com>
3701
3702         PR middle-end/16719
3703         PR middle-end/18421
3704         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
3705         in address registers.
3706         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
3707         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
3708         alternative of addsi3_5200.
3709
3710 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3711
3712         * config/mips/mips.md (ffs<mode>2): Remove.
3713
3714 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3715
3716         * doc/tree-ssa.texi (Cleanups): Improve description of
3717         TRY_FINALLY_EXPR.
3718         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
3719
3720 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3721
3722         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
3723         * tree.h (DECL_ARGUMENT_FLD): New macro.
3724
3725 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3726
3727         Fix PR tree-optimization/22404
3728
3729         * tree-ssa-structalias.c (create_variable_info_for): Use
3730         correct offset.
3731
3732 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3733
3734         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
3735         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
3736         for second comparison operand.
3737         * config/bfin/predicates.md (reg_or_const_int_operand): New.
3738
3739         * config/bfin/bfin.md (define_attr "type"): Add "sync".
3740         (define_insn_reservation "alu"): Likewise.
3741         (csync, ssync): Now of type sync.
3742         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
3743         -mcsync-anomaly -mspecld-anomaly.
3744         * config/bfin/bfin.opt (mcsync): Remove.
3745         (mcsync-anomaly, mspecld-anomaly): Add.
3746         * config/bfin/bfin.c: Include "insn-codes.h".
3747         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
3748         (TARGET_DEFAULT_TARGET_FLAGS): New.
3749         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
3750
3751 2005-07-11  Steven Bosscher  <stevenb@suse.de>
3752
3753         * basic-block.h: Give the BB flags enum a name, bb_flags.
3754         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
3755         * cfgcleanup.c (enum bb_flags): Remove here.
3756         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
3757         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
3758         (update_forwarder_flag): Likewise.
3759         (thread_jump): Likewise.
3760         (try_forward_edges): Likewise.
3761         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
3762         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
3763         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
3764
3765 2005-07-11  Richard Guenther  <rguenther@suse.de>
3766
3767         * config/i386/i386.opt: New target option -msseregparm.
3768         * config/i386/i386.c (override_options): Error out for
3769         -msseregparm but no SSE support.
3770         (ix86_function_sseregparm): Check for global sseregparm.
3771         * doc/invoke.texi: Document -msseregparm.
3772
3773 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3774
3775         * config.gcc (m32r-*-linux*): Use the default extra_parts.
3776         (m32rle-*-linux*): Ditto.
3777
3778 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
3779
3780         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
3781         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
3782         bytes.
3783
3784 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3785
3786         PR middle-end/22239
3787         PR target/20126
3788         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
3789         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
3790
3791 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
3792
3793         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
3794         (varmap): Heapify varmap.
3795         (constraints): Heapify constraints.
3796         (struct constraint_graph): Heapify succs and preds.
3797         (constraint_vec_find): Update for heapification.
3798         (constraint_set_union): Ditto.
3799         (insert_into_complex): Ditto.
3800         (constraint_edge_vec_find): Ditto.
3801         (erase_graph_self_edge): Ditto.
3802         (add_graph_edge): Ditto.
3803         (get_graph_weights): Ditto.
3804         (merge_graph_nodes): Ditto.
3805         (build_constraint_graph): Ditto.
3806         (topo_visit): Ditto.
3807         (solve_graph): Ditto.
3808         (create_variable_info_for): Ditto.
3809         (init_base_vars): Ditto.
3810         (delete_points_to_sets): Free graph, varmap, and complex constraints.
3811         (condese_varmap_nodes): Free complex vector.
3812         (clear_edges_for_node): Clear succs and preds vector.
3813
3814 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3815
3816         * tree-ssa-structalias.c (update_alias_info): Change counting of
3817         references to not include vdefs.
3818
3819 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3820
3821         * tree-ssa-alias.c (free_used_part_map): Add missing free.
3822         (up_insert): Ditto.
3823
3824 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3825
3826         * pa.c (pa_commutative_p): Make PLUS commutative when
3827         TARGET_NO_SPACE_REGS is true.
3828
3829 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3830
3831         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
3832         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
3833         * tree-dfa.c (dump_subvars_for): New.
3834         (debug_subvars_for): New.
3835         (dump_variable): Show subvariables if VAR has them.
3836         * tree-flow-inline.h (get_subvar_at): New.
3837         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
3838         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
3839         Update all users.
3840         (struct subvar): Change fields offset and size to unsigned
3841         HOST_WIDE_INT.
3842         (dump_subvars_for): Declare.
3843         (debug_subvars_for): Declare.
3844         (get_subvar_at): Declare.
3845         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
3846         to unsigned HOST_WIDE_INT *.
3847         (overlap_subvar): Likewise.
3848         * tree-gimple.c (is_gimple_reg): Always return false for
3849         SFTs and memory tags.
3850         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
3851         Update all callers.
3852         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
3853         (compute_may_aliases): Call compute_points_to_sets.
3854         (collect_points_to_info_for): Remove.
3855         (compute_points_to_and_addr_escape): Remove.
3856         (delete_alias_info): Call delete_points_to_sets.
3857         (compute_flow_sensitive_aliasing): If the call to
3858         find_what_p_points_to returns false, call set_pt_anything.
3859         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
3860         (set_pt_anything): Clear pi->pt_vars.
3861         (set_pt_malloc): Remove.
3862         (merge_pointed_to_info): Remove.
3863         (add_pointed_to_expr): Remove.
3864         (add_pointed_to_var): Remove.
3865         (collect_points_to_info_r): Remove.
3866         (is_escape_site): Make extern.
3867         (create_sft): New.
3868         (create_overlap_variables_for): Call it.
3869         * tree-ssa-copy.c (merge_alias_info): Never merge
3870         flow-sensitive alias information.
3871         * tree-ssa-operands.c (get_expr_operands): Adjust variables
3872         offset and size to be unsigned HOST_WIDE_INT.
3873         (add_to_addressable_set): Rename from note_addressable.
3874         Set TREE_ADDRESSABLE as the variables are added to the set.
3875         Update all users.
3876         (add_stmt_operand): Do not try to micro-optimize unmodifiable
3877         operands into VUSEs when adding V_MAY_DEFs for members in an
3878         alias set.
3879         * tree-ssa-operands.h (add_to_addressable_set): Declare.
3880         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
3881         (struct variable_info): Add bitfield is_heap_var.
3882         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
3883         (new_var_info): Initialize is_heap_var.
3884         (get_constraint_for): Add HEAP variables to the symbol table.
3885         Mark them with is_heap_var.
3886         (update_alias_info): New.  Taken mostly from the old
3887         compute_points_to_and_addr_escape.
3888         (handle_ptr_arith): New.
3889         (find_func_aliases): Call update_alias_info.
3890         Call handle_ptr_info for tcc_binary expressions.
3891         Call mark_stmt_modified.
3892         (create_variable_info_for): If DECL has subvars, do not create
3893         variables for its subvars.  Always add all the fields.
3894         (set_uids_in_ptset): If the solution includes ANYOFFSET and
3895         SFTs, then add all the SFTs of the structure.
3896         If VI->DECL is an aggregate with subvariables, add the SFT at
3897         VI->OFFSET.
3898         (find_what_p_points_to): If VI is an artificial variable,
3899         translate to bitfields in SSA_NAME_PTR_INFO.
3900         If the solution is empty, set pi->pt_vars to NULL
3901         (init_base_vars): Create ANYOFFSET.
3902         (compute_points_to_sets): Rename from create_alias_vars.
3903         Make extern.
3904         (pass_build_pta): Remove.
3905         (delete_points_to_sets): Rename from delete_alias_vars.
3906         (pass_del_pta): Remove.
3907         * tree-ssa-structalias.h (struct alias_info): Move from
3908         tree-ssa-alias.h.
3909         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
3910         NUM_REFERENCES_SET): Likewise.
3911         (compute_points_to_sets, delete_points_to_sets): Declare.
3912
3913 2005-07-09  Richard Henderson  <rth@redhat.com>
3914
3915         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
3916         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
3917         alpha_split_lock_test_and_set_12): New functions.
3918         * config/alpha/alpha-protos.h: Update.
3919         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
3920         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
3921         * config/alpha/sync.md (I12MODE): New.
3922         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
3923         (sync_<fetchop_name><I48MODE>): Likewise.
3924         (sync_nand<I48MODE>): Likewise.
3925         (sync_old_<fetchop_name><I48MODE>): Likewise.
3926         (sync_new_<fetchop_name><I48MODE>): Likewise.
3927         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3928         (sync_compare_and_swap<I48MODE>): Likewise.
3929         (sync_lock_test_and_set<I48MODE>): Likewise.
3930         (sync_compare_and_swap<I12MODE>): New.
3931         (sync_compare_and_swap<I12MODE>_1): New.
3932         (sync_lock_test_and_set<I12MODE>): New.
3933         (sync_lock_test_and_set<I12MODE>_1): New.
3934
3935 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3936
3937         PR 21356
3938         PR 22332
3939         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
3940
3941 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
3942
3943         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
3944         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
3945
3946 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
3947
3948         PR target/21656
3949         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3950
3951 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
3952
3953         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
3954         memory_operand constraint.
3955         (store_conditional_<mode>): Same.
3956         (sync_compare_and_swap<mode>): Same.
3957         (sync_lock_test_and_set<mode>): Same.
3958
3959 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
3960
3961         Rewrite PIC support to more closely model actual instructions.
3962         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
3963         (cris_symbol): Remove prototypes for removed functions.
3964         (cris_pic_symbol_type_of, cris_valid_pic_const)
3965         (cris_expand_pic_call_address): Prototypes for new functions.
3966         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
3967         variable.
3968         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
3969         modifiers.
3970         <case ':'>: Add case for new punctuation character.
3971         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
3972         emitting (extra) PIC modifier.
3973         <case UNSPEC>: Do not assert for PLT.
3974         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
3975         (cris_expand_prologue, cris_expand_epilogue): Check
3976         for pic_offset_table_rtx usage instead of taking
3977         current_function_uses_pic_offset_table as the final word.
3978         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
3979         Remove flag_pic difference.
3980         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
3981         the moral equivalents of...
3982         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
3983         functions.
3984         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
3985         (cris_handle_option): Mark ARG as unused.
3986         (cris_expand_pic_call_address): New worker function for "call",
3987         "call_value".
3988         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
3989         output PIC constructs here.
3990         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
3991         as symbol-specific modifers, not whole or part of operands.
3992         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
3993         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
3994         constants and flag_pic.
3995         (CONSTANT_INDEX_P): Adjust for new functions.
3996         (enum cris_pic_symbol_type): New helper type.
3997         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
3998         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
3999         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4000         define_constants.
4001         ("movsi"): Emit actual instructions for GOT and relative access.
4002         ("*movsi_got_load"): New pattern to set up the register holding
4003         the GOT pointer.
4004         ("*movsi_internal"): Operand 1 is not a plain general_operand.
4005         Adjust FIXME for 'S'.
4006         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4007         Use "movs" for -fpic cases.
4008         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4009         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4010         ("call", "call_value"): Just call cris_expand_pic_call_address for
4011         PIC addresses.
4012         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4013         Remove special pattern.
4014         ("*expanded_call_side", "*expanded_call_value_side"): New
4015         patterns.
4016         (gotplt-to-plt, gotplt-to-plt-side-call)
4017         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4018         peephole2:s.
4019         * config/cris/cris/predicates.md
4020         ("cris_general_operand_or_gotless_symbol"): Remove unused
4021         predicate.
4022         ("cris_general_operand_or_symbol"): Adjust for new functions.
4023
4024 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4025
4026         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4027
4028 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
4029
4030         * Makefile.in (TREE_H): Add treestruct.def.
4031         (c-decl.o): Add pointer-set.h
4032         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4033         visibility on regular DECL's.
4034         (merge_decls): Fix the copying of decl nodes of various types for
4035         the new structures.  Don't update RTL, section name, weak status,
4036         etc, on DECL's without RTL.
4037         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4038         Don't check volatile on non-variable types.
4039         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4040         to check whether we have seen arguments.
4041         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4042         flag is checked before field (flag is common, field is not).
4043         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
4044         TS_DECL_COMMON could have an origin.
4045         (add_location_or_const_value_attribute): Don't check section name
4046         on non-var/function decls.
4047         (dwarf2out_var_location): Reverse order of tests.
4048         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4049         with DECL_WRTL_CHECK.
4050         * expmed.c (make_tree): rtl is now in decl_with_rtl.
4051         * fold-const.c (fold_binary): Don't check weakness on
4052         non-var/function decls.
4053         (tree_expr_nonzero_p): Ditto.
4054         (fold_checksum_tree): Use tree_decl_extra as sizeof
4055         buffer.
4056         * ggc-page.c (extra_order_size_table): Add sizes for
4057         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
4058         tree_field_decl.
4059         * gimplify.c (gimplify_bind_expr): Only set
4060         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4061         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4062         without RTL.
4063         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4064         * langhooks.h (init_ts). New langhook.
4065         * passes.c (rest_of_decl_compilation): Reverse order of tests.
4066         * print-tree.c (print_node): Update to only print fields that
4067         exist in the structures the passed decl has.
4068         * toplev.c (wrapup_global_declarations): Don't reset
4069         DECL_DEFER_OUTPUT on DECL's that don't contain it.
4070         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4071         * tree-inline.c (remap_decl): Ditto.
4072         * tree-outof-ssa.c (create_temp): Reverse order of tests.
4073         * tree-pretty-print.c (print_declaration): Don't print
4074         DECL_REGISTER on things that don't contain it.
4075         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4076         non-var/function decls.
4077         * tree.c (tree_contains_struct): New structure.
4078         (init_priority_for_decl): New hashtable.
4079         (tree_int_map): New structure.
4080         (tree_int_map_eq): New function.
4081         (tree_int_map_marked_p): Ditto.
4082         (tree_int_map_hash): Ditto.
4083         (tree_map): Move to tree.h.
4084         (tree_map_eq): Externalize.
4085         (tree_map_hash): Ditto.
4086         (tree_map_marked_p): Ditto.
4087         (init_ttree): Set up tree_contains_struct and call langhook.
4088         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4089         (tree_code_size): Update for new structures.
4090         (tree_node_structure): Update for new structures.
4091         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4092         without the field.
4093         (copy_node_stat):  Copy init priority.
4094         (build_decl_stat): Ditto for visibility.
4095         (ts_enum_names): New.
4096         (tree_contains_struct_check_failed): New function.
4097         (decl_init_priority_lookup): Ditto.
4098         (decl_init_priority_insert): Ditto.
4099         * treestruct.def: New file.
4100         * tree.h (CODE_CONTAINS_STRUCT): New macro.
4101         (CONTAINS_STRUCT_CHECK): Ditto.
4102         (tree_contains_struct_check_failed): New prototype.
4103         (DECL_CHECK): Removed.
4104         (DECL_MINIMAL_CHECK): New.
4105         (DECL_COMMON_CHECK): Ditto.
4106         (DECL_WRTL_CHECK): Ditto.
4107         (DECL_NON_COMMON_CHECK): Ditto.
4108         (DECL_WITH_VIS_CHECK): Ditto.
4109         (VAR_OR_FUNCTION_DECL_P): Ditto
4110         (struct tree_decl_minimal): New structure.
4111         (struct tree_decl_common): Ditto.
4112         (struct tree_decl_with_rtl): Ditto.
4113         (struct tree_decl_with_vis): Ditto.
4114         (struct tree_decl_non_common): Ditto.
4115         (struct tree_field_decl): Ditto.
4116         (struct tree_parm_decl): Ditto.
4117         (struct tree_var_decl): Ditto.
4118         (struct tree_function_decl): Ditto.
4119         (struct tree_const_decl): Ditto.
4120         (struct tree_result_decl): Ditto.
4121         (union tree_node): Add new structures.
4122         * var-tracking.c (track_expr_p): Reverse order of tests.
4123
4124         * doc/c-tree.texi: Add documentation on DECL node internal structure.
4125
4126 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4127
4128         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4129         * system.h: Poison FINALIZE_PIC.
4130         * doc/tm.texi (FINALIZE_PIC): Remove.
4131
4132 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4133
4134         PR tree-opt/22329
4135         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4136         to the correct type if we have a MODIFY_EXPR.
4137
4138 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
4139
4140         PR tree-optimization/22360
4141         * tree.c (upper_bound_in_type): Fix calculations for casting
4142         to a non-wider signed type and casting a signed value to a
4143         wider unsigned type.
4144         (lower_bound_in_type): Fix calculations for casting to a
4145         non-wider signed type.
4146
4147         PR tree-optimization/20139
4148         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
4149         release_defs.
4150         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
4151         fold_cond_expr_cond.
4152         * tree-ssanames.c (release_defs): Assert in_ssa_p.
4153         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
4154
4155 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
4156
4157         PR tree-opt/22356
4158         * tree-complex.c (expand_complex_libcall): Produce
4159         REALPART_EXPR/IMAGPART_EXPR with the correct type.
4160
4161 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
4162
4163         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
4164         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
4165         b" assert and inserted fastpath code for this case.
4166         (bitmap_ior): Removed "a != b" assert.
4167
4168 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4169
4170         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
4171         (ENDFILE_SPEC): Likewise.
4172         * config/m32r/m32r.h (ASM_SPEC): Likewise.
4173
4174         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
4175         a large stack frame at epilogue.
4176
4177 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
4178
4179         * final.c: Include sdbout.h when required.
4180
4181 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
4182
4183         * config.gcc (*-*-darwin*): Only one target-specific header file
4184         for generic darwin.
4185         (powerpc-*-darwin*): Add version-specific header files.
4186         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
4187         * config.in: Regenerate.
4188         * configure: Regenerate.
4189         * gcc.c: Include xregex.h.
4190         (version_compare_spec_function): New.
4191         (spec_function): Add version-compare.
4192         (replace_outfile_spec_function): Reformat comment.
4193         (compare_version_strings): New.
4194         * config/darwin-c.c (version_as_macro): New.
4195         (builtin_define): New.
4196         (darwin_cpp_builtins): New.
4197         * config/darwin-protos.h (darwin_cpp_builtins): New.
4198         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
4199         (LIB_SPEC): Make unconditional, update comment.
4200         (TARGET_C99_FUNCTIONS): Define.
4201         * config/darwin.opt: Sort.
4202         (mmacosx-version-min=): New.
4203         * config/darwin7.h: Delete.
4204         * config/darwin8.h: Delete.
4205         * config/i386/darwin.h (): Call darwin_cpp_builtins.
4206         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
4207         (TARGET_C99_FUNCTIONS): Define.
4208         * config/rs6000/darwin7.h: New.
4209         * config/rs6000/darwin8.h: New.
4210         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
4211         (-mmacosx-version-min): Document.
4212
4213 2005-07-07  Ian Lance Taylor  <ian@airs.com>
4214
4215         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
4216
4217 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
4218
4219         PR middle-end/22239
4220         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
4221
4222 2005-07-07  Khem Raj  <kraj@mvista.com>
4223
4224         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
4225         in bytes, not words.
4226
4227 2005-07-07  Paul Brook  <paul@codesourcery.com>
4228
4229         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
4230         DEFAULT_FUNCTION_ARG_PADDING to upward.
4231
4232 2005-07-07  Richard Henderson  <rth@redhat.com>
4233
4234         * function.c (locate_and_pad_parm): Record parameter alignment in
4235         stack_alignment_needed.
4236
4237 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
4238
4239         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
4240         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
4241         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
4242         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
4243         (define_attr "type"): Add isync, sync, load_l, store_c.
4244         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
4245         Create scratch volatile MEM.
4246         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
4247         sync.
4248         (load_locked_<mode>): New.
4249         (store_conditional_<mode>): New.
4250         (sync_compare_and_swap<mode>): Replace with splitter.
4251         (sync_lock_test_and_set<mode>): Replace with splitter.
4252         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
4253         and UNSPECV_ISYNC.
4254         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
4255         is ics.  Attribute isync.
4256         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
4257         lwsync.
4258         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
4259         and UNSPECV_SYNC_OP.
4260         (emit_unlikely_jump): New.
4261         (emit_load_locked): New.
4262         (emit_store_conditional): New.
4263         (rs6000_split_compare_and_swap): New.
4264         (rs6000_split_lock_test_and_set): New.
4265         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
4266         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
4267         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
4268         rs6000_split_lock_test_and_set): Declare.
4269         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
4270         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
4271         store_c, isync, sync.
4272
4273 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
4274
4275         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
4276         filenames to gtyp-gen.h.
4277         (s-typ-gen): Use it in place of for loops.
4278
4279 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
4280
4281         * hooks.c (hook_bool_rtx_int_false): New function.
4282         * hooks.h (hook_bool_rtx_int_false): Declare.
4283         * target-def.h (TARGET_COMMUTATIVE_P): Define.
4284         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
4285         * target.h (struct gcc_target): Add commutative_p member.
4286         * targhooks.c (hook_bool_rtx_commutative_p): New function.
4287         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
4288         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
4289         (pa_commutative_p): New function.
4290         * jump.c (target.h): Include.
4291         (rtx_renumbered_equal_p): Use targetm.commutative_p.
4292         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
4293
4294 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4295
4296         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
4297         (s390_expand_setmem): New.
4298         * config/s390/s390.c: Likewise.
4299         (print_shift_count_operand): Truncate to 12 bits instead of 6.
4300         Adapt comments.
4301         * config/s390/s390.md: ("setmem<mode>"): Accept character as
4302         general_operand.  Call new function "s390_expand_setmem".
4303         ("clrmem_long", "*clrmem_long"): Rewrite to ...
4304         ("setmem_long", "*setmem_long"): ... this.
4305
4306 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4307
4308         * config/s390/s390.c: (optimization_options): Enable
4309         TARGET_MVCLE at -Os.
4310         * doc/invoke.texi: Document changes in default behaviour.
4311         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
4312
4313 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
4314
4315         * expr.c: (set_storage_via_setmem): Convert opchar to mode
4316         defined by back-end.
4317
4318 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
4319
4320         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
4321         all sets in the pattern.
4322         * config/rs6000/rs6000.md (stack_protect_testsi,
4323         stack_protect_testdi): Likewise.
4324
4325 2005-07-06  Jeff Law  <law@redhat.com>
4326
4327         * tree-vrp.c (simplify_using_ranges): Kill.
4328         (vrp_finalize): Remove call to simplify_using_ranges.
4329         (simplify_stmt_using_ranges): New function extracted from
4330         simplify_using_ranges.
4331         (simplify_div_or_mod_using_ranges): Likewise.
4332         (simplify_abs_using_ranges): Likewise.
4333         (simplify_cond_using_ranges): New function.
4334         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
4335         * tree-ssa-propagate.c (substitute_and_fold): Call
4336         simplify_stmt_using_ranges if we have range information.
4337
4338 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
4339
4340         * config/ia64/ia64.c (ia64_reorg): Check optimize before
4341         ia64_flag_schedule_isns2.
4342
4343         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
4344         reading/writing general registers.
4345         (ia64_function_arg): Revert 2005-06-18 change.
4346
4347 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4348
4349         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
4350         (legitimize_tls_address): Use gcc_unreachable instead of abort.
4351
4352 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
4353
4354         * function.c (expand_function_end): Revert part of 2005-06-27
4355         patch.  Do sjlj_emit_function_exit_after after return_label.
4356
4357 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4358
4359         * doc/install.texi (--disable-libssp): New.
4360
4361 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
4362
4363         * doc/invoke.texi: Update -fforce-mem documentation.
4364         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
4365         code for -fforce-mem.
4366         * expmed.c: (store_bit_field,store_fixed_bit_field,
4367         extract_bit_field): Ditto.
4368         * expr.c: (convert_move): Ditto.
4369         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
4370         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
4371         emit_conditional_add,expand_float,expand_fix): Ditto.
4372         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
4373         (common_handle_option): Issue warning when -fforce-mem specified.
4374
4375 2005-07-06  Paul Brook  <paul@codesourcery.com>
4376
4377         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
4378         argument is empty.
4379         * configure: Regenerate.
4380
4381 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
4382
4383         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
4384
4385 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
4386
4387         Fix PR tree-optimization/22319
4388         Fix PR tree-optimization/22140
4389         Fix PR tree-optimization/22310
4390
4391         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
4392         variable sized types.
4393         Use correct type for intermediate structure on *a = *b structure
4394         copies.
4395
4396 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4397
4398         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
4399         Remove.
4400         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
4401         (machine_function): Move typedef to...
4402         * config/rs6000/rs6000.c (machine_function): ... here.  Add
4403         varargs_save_offset field.
4404         (rs6000_stack_t): Remove varargs_size field.
4405         (setup_incoming_varargs): Allocate varargs save area using
4406         assign_stack_local, try to make it as small as possible.
4407         Save offset from virtual_stack_vars_rtx to the save area
4408         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
4409         instead of magic 8 when fp word byte size is used.
4410         (rs6000_va_start): Use cfun->machine->varargs_save_offset
4411         instead of -RS6000_VARARGS_SIZE.
4412         (rs6000_stack_info, debug_stack_info,
4413         rs6000_initial_elimination_offset): Remove all traces of
4414         varargs_size.
4415         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
4416         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
4417         RS6000_VARARGS_AREA.
4418
4419 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
4420
4421         PR tree-optimization/21963
4422         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
4423         constant_multiple_of in the same way get_computation_cost_at does.
4424
4425 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4426
4427         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
4428         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
4429         (gen_compare_reg): If sparc_compare_emitted is set, clear it
4430         and return its previous value.
4431         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
4432         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
4433         constants.
4434         (stack_protect_set, stack_protect_test): New expanders.
4435         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
4436         stack_protect_testdi): New insns.
4437         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4438         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
4439
4440 2005-07-06  Jeff Law  <law@redhat.com>
4441
4442         * tree-ssa-dce.c (cfg_altered): New global.
4443         (tree_dce_init): Initialize cfg_altered.
4444         (remove_dead_stmt): If we remove an edge in the CFG, then set
4445         CFG_ALTERED.
4446         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
4447         the dominators.
4448
4449 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4450
4451         * Makefile.in (stamp-collect-ld): Use
4452         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
4453         ./collect-ld if it already exists.
4454         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
4455         Don't remove ./nm if it already exists.
4456
4457 2005-07-05  Devang Patel  <dpatel@apple.com>
4458
4459         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
4460         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
4461         * tree-vectorizer.c (vect_loop_location): New.
4462         (vect_print_dump_info): Use vect_loop_location.
4463         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
4464         (vectorize_loops): Set vect_loop_location.
4465         * tree-vect-analyze.c (vect_analyze_offset_expr,
4466         vect_determin_vectorization_factor, vect_analyze_operations,
4467         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
4468         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
4469         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
4470         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
4471         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
4472         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
4473         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
4474         vect_analyze_loop): Adjust vect_print_dump_info API.
4475         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4476         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
4477         vect_finish_stmt_generation, vectorizable_assignment,
4478         vectorizable_operation, vectorizable_store, vectorizable_load,
4479         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
4480         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4481         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
4482         vect_transform_loop): Same.
4483         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
4484         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
4485         Same.
4486
4487 2005-07-05  Randolph Chung  <tausq@debian.org>
4488
4489         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
4490         * configure: Regenerate.
4491         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
4492         (pa_tls_referenced_p): Declare.
4493         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
4494         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
4495         (legitimize_tls_address): New.
4496         (hppa_legitimize_address): Handle TLS addresses.
4497         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
4498         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4499         (emit_move_sequence): Handle TLS addresses.
4500         (pa_encode_section_info): Call default handler to handle common
4501         sections.
4502         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
4503         (CONSTANT_ADDRESS_P): Reject TLS operands.
4504         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
4505         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
4506         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
4507         (UNSPEC_TLSLE): Define new constants.
4508         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
4509         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
4510         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
4511         (tie_symbolic_operand, tle_symbolic_operand): New
4512
4513 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
4514
4515         * aclocal.m4: Update macros for autoconf 2.59 style.
4516         * configure.ac: Likewise.
4517
4518 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4519
4520         * pa.c (function_value): Handle small aggregates on 32-bit targets.
4521         (function_arg): Pass small aggregates in general registers on 32-bit
4522         targets.
4523         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
4524
4525 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
4526
4527         * Makefile.in (final.o): Fix dependencies.
4528
4529 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4530
4531         PR c/22013
4532         PR c/22098
4533         * langhooks.h (struct lang_hooks): Add expr_to_decl.
4534         * langhooks.c (lhd_expr_to_decl): New.
4535         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
4536         New.
4537         (LANG_HOOKS_INITIALIZER): Update.
4538         * tree.c (recompute_tree_invarant_for_addr_expr): Call
4539         expr_to_decl langhook.
4540         * c-tree.h (c_expr_to_decl): Declare.
4541         * c-typeck.c (c_expr_to_decl): New.
4542         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
4543         specially.
4544         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
4545
4546 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4547
4548         PR c/22308
4549         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
4550         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
4551
4552 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
4553
4554         * Makefile.in: Adjust dependencies.
4555         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
4556         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
4557         * alias.c (rest_of_handle_cfg, pass_cfg): New.
4558         * bb-reorder.c (duplicate_computed_gotos): Make it static.
4559         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
4560         rest_of_compilation.
4561
4562         * bb-reorder.c (gate_duplicate_computed_gotos,
4563         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
4564         rest_of_handle_reorder_blocks, pass_reorder_blocks,
4565         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
4566         pass_partition_blocks): New.
4567         * bt-load.c (gate_handle_branch_target_load_optimize,
4568         rest_of_handle_branch_target_load_optimize,
4569         pass_branch_target_load_optimize): New.
4570         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
4571         pass_jump2): New.
4572         * cfglayout.c (pass_insn_locators_initialize): New.
4573         * cfgrtl.c (pass_free_cfg): New.
4574         * combine.c (gate_handle_combine, rest_of_handle_combine,
4575         pass_combine): New.
4576         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
4577         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
4578         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
4579         * except.c (pass_set_nothrow_function_flags,
4580         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
4581         pass_rtl_eh): New.
4582         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
4583         rest_of_handle_shorten_branches, pass_shorten_branches,
4584         rest_of_clean_state, pass_clean_state): New.
4585         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
4586         rest_of_handle_remove_death_notes, pass_remove_death_notes,
4587         rest_of_handle_life, pass_life, rest_of_handle_flow2,
4588         pass_flow2): New.
4589         * function.c (pass_instantiate_virtual_regs, pass_init_function,
4590         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
4591         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4592         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
4593         pass_gcse): New.
4594         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
4595         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
4596         pass_rtl_ifcvt, gate_handle_if_after_combine,
4597         rest_of_handle_if_after_combine, pass_if_after_combine,
4598         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
4599         pass_if_after_reload): New.
4600         * integrate.c (pass_initial_value_sets): New.
4601         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
4602         pass_purge_lineno_notes): New.
4603         * mode-switching.c (rest_of_handle_mode_switching,
4604         pass_mode_switching): New.
4605         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
4606         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
4607         pass_loop2): New.
4608         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
4609         pass_loop_optimize): New.
4610         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
4611         pass_sms): New.
4612         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
4613         pass_gcse2): New.
4614         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
4615         pass_postreload_cse): New.
4616         * profile.c (gate_handle_profiling, pass_profiling,
4617         rest_of_handle_branch_prob, pass_branch_prob): New.
4618         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
4619         pass_split_before_regstack, gate_handle_split_before_regstack,
4620         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
4621         rest_of_handle_split_all_insns, pass_split_all_insns): New.
4622         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
4623         pass_stack_regs): New.
4624         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
4625         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
4626         pass_stack_adjustments): New.
4627         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
4628         pass_regrename): New.
4629         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
4630         pass_delay_slots, gate_handle_machine_reorg,
4631         rest_of_handle_machine_reorg, pass_machine_reorg): New.
4632         * rtl.h (extern void purge_line_number_notes): New.
4633         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
4634         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
4635         pass_sched2): New.
4636         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
4637         pass_tracer): New.
4638         * value-prof.c (gate_handle_value_profile_transformations,
4639         rest_of_handle_value_profile_transformations,
4640         pass_value_profile_transformations): New.
4641         * var-tracking.c (gate_handle_var_tracking,
4642         pass_variable_tracking): New.
4643         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
4644
4645         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
4646         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
4647         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
4648         rest_of_handle_old_regalloc, rest_of_handle_regrename,
4649         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
4650         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
4651         rest_of_handle_gcse2, rest_of_handle_regmove,
4652         rest_of_handle_tracer, rest_of_handle_if_conversion,
4653         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
4654         rest_of_handle_web, rest_of_handle_branch_prob,
4655         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
4656         rest_of_handle_jump_bypass, rest_of_handle_combine,
4657         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4658         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4659         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
4660         rest_of_handle_mode_switching, rest_of_handle_jump,
4661         rest_of_handle_eh, rest_of_handle_stack_adjustments,
4662         rest_of_handle_flow2, rest_of_handle_jump2,
4663         rest_of_handle_peephole2, rest_of_handle_postreload,
4664         rest_of_handle_shorten_branches, rest_of_clean_state,
4665         rest_of_compilation): Remove.
4666
4667         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
4668         * passes.c (dump_flags, in_gimple_form, all_passes,
4669         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4670         register_dump_files, next_pass_1, last_verified, execute_todo,
4671         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
4672         from tree-optimize.c.
4673         (init_optimization_passes): Moved from tree-optimize.c,
4674         adding the RTL optimizations.
4675         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
4676         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
4677         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4678         register_dump_files, next_pass_1, last_verified, execute_todo,
4679         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
4680         init_tree_optimization_passes, ipa_passes): Delete.
4681         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
4682         the RTL dumps.
4683         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
4684         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
4685         from tree.h.
4686         (ipa_passes): Remove.
4687         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
4688         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
4689         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
4690         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
4691         (dump_info_p, dump_flag): Moved to tree-dump.h.
4692
4693         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
4694         cgraph.c, opts.c.
4695         * passes.c (finish_optimization_passes): Use dump_begin
4696         and dump_end, TDI_end.
4697         (gate_rest_of_compilation): New.
4698         (pass_rest_of_compilation): Use it.
4699         (gate_postreload, pass_postreload): New.
4700         * toplev.c (general_init): Rename init_tree_optimization_passes.
4701         * toplev.h (init_tree_optimization_passes): Rename to
4702         init_optimizations_passes.
4703         * tree-dump.c (dump_flag): Make static.
4704         (dump_files): Remove RTL dumps.
4705         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
4706         pass_cleanup_cfg, pass_free_cfg_annotations,
4707         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
4708         pass_init_datastructures, pass_fixup_cfg): Make non-static.
4709         * tree-pretty-print.c: Include tree-pass.h.
4710         * cgraph.c: Include tree-dump.h.
4711
4712 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4713
4714         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
4715         Only fall back to saying it points to readonly memory if
4716         we can't do better.
4717
4718 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4719
4720         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
4721         * config/m32r/m32r.c (m32r_compute_frame_size,
4722         m32r_expand_prologue): Take current_function_profile into
4723         account whenever we reference
4724         current_function_uses_pic_offset_table.
4725         (m32r_finalize_pic): Remove.
4726         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
4727
4728 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
4729
4730         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
4731         instead of $<.  Don't remove ./as if it already exists.
4732
4733 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4734
4735         PR target/21723
4736         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
4737         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
4738         for complex modes when generating code for PA 1.0.
4739         (VALID_FP_MODE_P): New macro.
4740         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4741         sets for all general and floating point modes.  Align wide floating
4742         point modes to even register boundaries to comply with architectural
4743         requirements.
4744         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
4745         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
4746         (VALID_FP_MODE_P): New macro.
4747         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4748         sets for all general and floating point modes.  Align wide floating
4749         point modes to even register boundaries to comply with architectural
4750         requirements.
4751
4752 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4753
4754         * tree-dump.c (dump_files): Initialize dump number for .cgraph
4755         to 0.
4756
4757 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4758
4759         * tree-ssa-structalias.c: Don't include expr.h.
4760
4761 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4762
4763         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
4764         comments.
4765
4766 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4767
4768         Fix PR tree-optimization/22279
4769
4770         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
4771         correct operator.
4772
4773 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
4774
4775         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
4776
4777 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
4778
4779         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
4780         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
4781         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
4782         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
4783         config/stormy16/stormy16.c, config/v850/v850.c,
4784         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
4785         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
4786         Avoid "." or "\n" at end of diagnostics and capital letters at
4787         start of diagnostics.
4788         * combine.c, cse.c: Don't translate dump file output.
4789         * toplev.c (print_version): Only translate output if going to
4790         stderr.
4791
4792 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4793
4794         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
4795         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
4796         typos.
4797
4798 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4799
4800         * pa.c (fix_range): Fix typo in comment.
4801
4802 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4803
4804         * tree-vrp.c (extract_range_from_assert): Replace
4805         fold (build (...)) with fold_build2.
4806
4807 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4808
4809         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
4810         gcc_gfc_char_table, init_dynamic_gfc_info): New.
4811         (format_types_orig, handle_format_attribute): Add support for
4812         format "gcc_gfc".
4813
4814 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4815
4816         * varasm.c (assemble_variable): Fix format specifier thinko.
4817
4818 2005-07-03  Ira Rosen  <irar@il.ibm.com>
4819
4820         PR tree-optimization/22029 (and 22135)
4821         * tree-pretty-print.c (dump_generic_node): Check that the node is not
4822         a phi node before calling dump_vops.
4823
4824 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4825
4826         * tree-dump.h (dump_string_field): Declare.
4827         * tree-dump.c: Use it instead of dump_string.
4828         (dump_string_field): Make non-static.
4829
4830 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4831
4832         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
4833         up the minimal CFG stuff always when optimize > 0.  Call
4834         split_all_insns_noflow in PIC case if needed.
4835
4836 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4837             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
4838
4839         PR c++/18279
4840         * c-decl.c (c_write_global_declarations): Dump contents of
4841         external scope to.
4842         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
4843         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
4844         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
4845         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
4846         is enabled.
4847
4848 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
4849
4850         * c-common.h (GCC_DIAG_STYLE): Define.
4851         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
4852         version for format checking to 4.1.
4853         * c-format.c: Include toplev.h after c-common.h.
4854         (enum format_type): Add gcc_tdiag_format_type.
4855         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
4856         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
4857         (format_types_orig): Add gcc_tdiag.
4858         (init_dynamic_diag_info): Support gcc_tdiag formats.
4859         (handle_format_attribute): Likewise.
4860         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
4861         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
4862         version for format checking to 4.1.
4863         (warning0, warning, error, pedwarn, sorry): Use
4864         ATTRIBUTE_GCC_DIAG.
4865         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
4866         (finish_aliases_1): Do not use %qE.
4867         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
4868         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
4869         Correct format bugs.
4870         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
4871         parameter to unsigned HOST_WIDE_INT.
4872         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
4873
4874 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
4875
4876         PR middle-end/21742
4877         * expr.c (write_complex_part): Use adjust_address for MEM.
4878         (read_complex_part): Same.
4879
4880 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
4881
4882         Fix PR tree-optimization/22280
4883
4884         * tree-sra.c (generate_element_init): Remove useless loop.
4885
4886 2005-07-02  Richard Henderson  <rth@redhat.com>
4887
4888         * config/alpha/alpha.c (alpha_legitimize_address): Check for
4889         TLS_MODEL_NONE.
4890         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
4891
4892 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
4893
4894         PR middle-end/14490
4895         * fold-const.c (fold_binary): Handle the return value of
4896         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
4897         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
4898
4899 2005-07-02  Jeff Law  <law@redhat.com>
4900
4901         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
4902         a eliminate type conversion which feeds an equality comparison
4903         if the original type or either operand in the comparison is a
4904         function pointer.
4905
4906 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
4907
4908         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
4909         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
4910         texts.
4911         * config/avr/avr.c: Do not use '`' as left quote.
4912         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
4913         Remove "." from end of diagnostics.  Make diagnostics start with
4914         lowercase letter.
4915
4916 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
4917             Joseph S. Myers  <joseph@codesourcery.com>
4918
4919         * toplev.c (default_tree_printer): Handle setting location with
4920         '+' flag.
4921         * c-objc.common.c (c_tree_printer): Likewise.
4922         * c-format.c (gcc_diag_flag_specs): Add '+'.
4923         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
4924         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
4925         formats.
4926         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
4927         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
4928         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
4929         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
4930         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
4931         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
4932         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
4933         format arguments where %J is used without %D.
4934
4935 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
4936
4937         * gcc.c (LINK_SSP_SPEC): Define.
4938         (link_ssp_spec): New variable.
4939         (LINK_COMMAND_SPEC): Add %(link_ssp).
4940         (static_specs): Add link_ssp_spec.
4941         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
4942         * configure: Rebuilt.
4943         * config.in: Rebuilt.
4944
4945         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4946         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4947         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4948         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4949         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
4950         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
4951         -0x7008(2) instead of reading __stack_chk_guard variable.
4952         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
4953         number.
4954         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
4955         (stack_protect_set, stack_protect_test): Use *_tls* patterns
4956         if TARGET_THREAD_SSP_OFFSET is defined.
4957         (stack_tls_protect_set_si, stack_tls_protect_set_di,
4958         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
4959
4960         Revert:
4961         2005-06-27  Richard Henderson  <rth@redhat.com>
4962         * libgcc-std.ver (GCC_4.1.0): New.
4963         * libgcc.h (__stack_chk_guard): Declare.
4964         (__stack_chk_fail, __stack_chk_fail_local): Declare.
4965         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
4966         * mklibgcc.in (lib2funcs): Add them.
4967
4968 2005-07-01  Richard Henderson  <rth@redhat.com>
4969
4970         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
4971         void * before struct sigcontext *.
4972         (x86_fallback_frame_state): Likewise.
4973
4974 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
4975
4976         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
4977
4978 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
4979
4980         PR tree-opt/22269
4981         * tree-ssa-reassoc.c (should_transpose): Fix which operand
4982         we check for SSA_NAME for.
4983
4984 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
4985
4986         Fix PR tree-optimization/22071
4987
4988         * tree-ssa-structalias.c (offset_overlaps_with_access): New
4989         function.
4990         (get_constraint_for_component_ref): Use it.
4991
4992 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
4993
4994         PR other/22264
4995         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
4996         print out the last new line.
4997
4998 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
4999
5000         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5001         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5002         * config/cris/cris.c (cris_conditional_register_usage): Adjust
5003         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5004         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5005         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5006         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5007         (enum reg_class): New member CC0_REGS.
5008         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5009         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5010         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5011         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5012         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5013         Adjust for register now described.
5014
5015 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
5016
5017         PR target/22262
5018         * config/i386/i386.md (stack_protect_test_si,
5019         stack_protect_test_di): Add earlyclobber for scratch 3.
5020         * config/rs6000/rs6000.md (stack_protect_testsi,
5021         stack_protect_testdi): Add earlyclobber for scratch 3,
5022         remove earlyclobber from scratch 4.
5023
5024 Older entries for 2005 can be found in ChangeLog-2005.