gcc/ChangeLog.graphite

   1 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (build_lexicographical_constraint): Stop the
   4         iteration when the bag of constraints is empty.
   5
   6 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
   9
  10 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
  13         nest and two loop depths as parameters.
  14         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
  15         lst_perfect_nestify.
  16
  17 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  18
  19         * graphite-dependences.c (print_pddr): Call
  20         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
  21
  22 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  23
  24         * graphite-ppl.c (debug_gmp_value): New.
  25         * graphite-ppl.h (debug_gmp_value): Declared.
  26
  27 2011-01-13  Tobias Grosser  <grosser@fim.uni-passau.de>
  28
  29         * doc/install.texi: Document availability of cloog-0.16
  30
  31 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
  32
  33         * graphite-scop-detection.c (is_valid_stmt_p): Pass the entry basic
  34         block instead of region start to the instantiation.
  35         (is_valid_bb_p): Add support for basic blocks with conditional
  36         statements.
  37         (find_scops_new): Recalculate dominance info before SCOP
  38         detection.
  39
  40 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
  41
  42         * graphite-scop-detection.c (get_outermost_loop_in_region): New.
  43         (is_valid_loop_p): Correct loop passed to stmt_has_simple_data_refs_p
  44
  45 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
  46
  47         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
  48         invalid postdominance info
  49
  50 2010-12-29  Sebastian Pop  <sebastian.pop@amd.com>
  51
  52         * Makefile.in (graphite-opencl-codegen.o): Update dependences.
  53         (graphite-opencl-meta-clast.o): Same.
  54         (graphite-opencl.o): Same.
  55         (refined-regions.o): Same.
  56         * graphite-opencl-codegen.c: Do not include unnecessary .h files.
  57         * graphite-opencl-meta-clast.c: Same.
  58         * graphite-opencl.c: Same.
  59         * refined-regions.c: Same.
  60
  61 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * graphite-opencl-codegen.c: Use FOR_EACH_VEC_ELT.
  64         * graphite-opencl-meta-clast.c: Same.
  65         * graphite-opencl.c: Same.
  66
  67 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         * graphite-opencl-codegen.c: Do not include sys/time.h.
  70         * graphite-opencl.c: Same.
  71
  72 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         * graphite-opencl.c (h_context, h_cmd_queue, h_program): Moved
  75         out of ifdef HAVE_cloog section.
  76
  77 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * Makefile.in (graphite-opencl.o): Depends on
  80         graphite-opencl-functions.def.
  81         * graphite-opencl-functions.def: New.
  82         * graphite-opencl.c (enum OPENCL_FUNCTIONS): Read data from
  83         graphite-opencl-functions.def.
  84         (opencl_function_names): Same.
  85         (opencl_create_function_decl): Use the enum OPENCL_FUNCTIONS
  86         as indices of opencl_function_names.
  87
  88 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         * graphite-opencl-codegen.c: Fix formatting.
  91         * graphite-opencl-meta-clast.c: Same.
  92         * graphite-opencl.c: Same.
  93
  94 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         * graphite-opencl-codegen.c: Fix formating problems.
  97         * graphite-opencl-meta-clast.c: Same.
  98         * graphite-opencl.c: Same.
  99         * graphite-opencl.h: Same.
 100
 101 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 102
 103         * graphite-opencl-codegen.c: Sort topologically static functions.
 104         * graphite-opencl.c: Same.
 105
 106 2010-12-25  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         * graphite-cloog-compat.h (cloog_names_nb_scattering): New.
 109         (cloog_names_scattering): New.
 110         * graphite-opencl-codegen.c (opencl_constant_expression_p): Use
 111         clast_expr_* instead of expr_*.  Call clast_name_to_str.
 112         (opencl_clast_name_to_tree): Now takes a clast_name_p in parameter.
 113         (opencl_get_scat_real_name): Same.  Call clast_name_to_str.
 114         (opencl_add_scat_as_arg): Same.
 115         (opencl_print_local_vars): Call cloog_names_scattering and
 116         cloog_names_nb_scattering.
 117         (opencl_print_for): Do not call value_*.
 118         (opencl_print_term): Same.
 119         (opencl_print_expr): Use clast_expr_* instead of expr_*.
 120         (opencl_print_sum): Same.
 121         (opencl_print_binary): Same.
 122
 123 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 124
 125         * Makefile.in (OBJS-common): Add graphite-opencl-codegen.o,
 126         graphite-opencl-meta-clast.o and graphite-opencl.o.
 127         (graphite-opencl-codegen.o): New.
 128         (graphite-opencl-meta-clast.o): New.
 129         (graphite-opencl.o): New.
 130         (GTFILES): Add graphite-opencl.c.
 131         * common.opt (fgraphite-opencl): New.
 132         (fgraphite-opencl-cpu): New.
 133         (fgraphite-opencl-ignore-depth-heuristic): New.
 134         (fgraphite-opencl-ignore-mem-heuristic): New.
 135         (fgraphite-opencl-ignore-dep): New.
 136         (fgraphite-opencl-ignore-types): New.
 137         (fgraphite-opencl-depth-base): New.
 138         (fgraphite-opencl-debug): New.
 139         * graphite-opencl-codegen.c: New file.
 140         * graphite-opencl-meta-clast.c: New file.
 141         * graphite-opencl.c: New file.
 142         * graphite-opencl.h: New file.
 143         * graphite.c (graphite_transform_loops): Call graphite_opencl_init and
 144         graphite_opencl_finalize.
 145         * tree-ssa-loop.c (gate_graphite_transforms): Handle
 146         flag_graphite_opencl.
 147         * graphite-clast-to-gimple.c (gloog): Call opencl_transform_clast.
 148         * dbgcnt.def (opencl_scop_cnt): New counter.
 149
 150 2010-12-25  Alexander Monakov  <amonakov@ispras.ru>
 151
 152         * graphite-dependences.c (graphite_outer_subscript_bound): New.
 153         (graphite_carried_dependence_level_k): Export.
 154         * graphite-dependences.h (graphite_outer_subscript_bound): Declare.
 155         (graphite_carried_dependence_level_k): Ditto.
 156
 157 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 158
 159         * graphite-clast-to-gimple.c (struct clast_name_index): Move
 160         definition to graphite-clast-to-gimple.h.
 161         (clast_name_to_index): Ditto.
 162         (clast_name_index_elt_info): Ditto.
 163         (eq_clast_name_indexes): Ditto.
 164         (save_clast_name_index): Export.
 165         (clast_name_to_gcc): Ditto.
 166         (clast_to_gcc_expression): Ditto.
 167         (gcc_type_for_clast_expr): Ditto.
 168         (graphite_create_new_guard): Ditto.
 169         (gcc_type_for_iv_of_clast_loop): Ditto.
 170         (graphite_create_new_loop): Ditto.
 171         (build_iv_mapping): Ditto.
 172         (graphite_create_new_loop_guard): Ditto.
 173         (debug_clast_name_index): New.
 174         (debug_clast_name_indices): New debug function.
 175
 176 2010-12-21  Sebastian Pop  <sebastian.pop@amd.com>
 177
 178         PR tree-optimization/47021
 179         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
 180
 181 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
 184         unused warning.
 185         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 186
 187 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-sese-to-poly.c (analyze_drs): Removed.
 190         (build_scop_drs): Do not call analyze_drs.
 191         (analyze_drs_in_stmts): New.
 192         (insert_stmts): New.
 193         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
 194         (insert_out_of_ssa_copy_on_edge): Same.
 195         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
 196         (rewrite_phi_out_of_ssa): Same.
 197         (rewrite_cross_bb_scalar_dependence): Same.
 198         (split_reduction_stmt): Move data references in the new basic blocks.
 199         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
 200
 201 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
 204
 205 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 206
 207         PR middle-end/45297
 208         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
 209         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
 210         * graphite-poly.h (new_poly_bb): Update declaration.
 211         (gbb_from_bb): Moved here...
 212         (pbb_from_bb): New.
 213         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
 214         Removed.
 215         (graphite_stmt_p): Removed.
 216         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
 217         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
 218         new_poly_bb.
 219         (build_scop_bbs_1): Do not pass in sbitmap reductions.
 220         (build_scop_bbs): Same.
 221         (gbb_from_bb): ... from here.
 222         (add_conditions_to_constraints): Moved up.
 223         (analyze_drs): New.
 224         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
 225         not contain data references.
 226         (new_pbb_from_pbb): New.
 227         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
 228         block is split.
 229         (rewrite_close_phi_out_of_ssa): Update call to
 230         insert_out_of_ssa_copy_on_edge.
 231         (rewrite_reductions_out_of_ssa): Now static.
 232         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 233         (split_pbb): New.
 234         (split_reduction_stmt): Call split_pbb.
 235         (translate_scalar_reduction_to_array): Pass in the scop, do not
 236         pass in the sbitmap reductions.
 237         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 238         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 239         (rewrite_commutative_reductions_out_of_ssa): Same.
 240         (build_poly_scop): Call build_scop_bbs,
 241         rewrite_commutative_reductions_out_of_ssa,
 242         rewrite_reductions_out_of_ssa, and
 243         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
 244         before scop_to_lst.
 245         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
 246         Removed declaration.
 247         (rewrite_reductions_out_of_ssa): Same.
 248         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 249         (build_scop_bbs): Same.
 250         * graphite.c (graphite_transform_loops): Do not initialize reductions.
 251         Do not call build_scop_bbs,
 252         rewrite_commutative_reductions_out_of_ssa,
 253         rewrite_reductions_out_of_ssa, and
 254         rewrite_cross_bb_scalar_deps_out_of_ssa.
 255         * sese.h (struct gimple_bb): Add field pbb.
 256         (GBB_PBB): New.
 257
 258         * gcc.dg/graphite/pr45297.c: New.
 259
 260 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 261
 262         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
 263         New.
 264         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
 265         handle_scalar_deps_crossing_scop_limits.
 266         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
 267         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
 268
 269 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 270
 271         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
 272         when replacing a constant in an ADDR_EXPR.
 273
 274 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 275
 276         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
 277         for the stride.
 278         (lst_do_strip_mine): Same.
 279         (scop_do_strip_mine): Same.
 280         * graphite-poly.c (apply_poly_transforms): Update call to
 281         scop_do_strip_mine.
 282         * graphite-poly.h (scop_do_strip_mine): Update declaration.
 283
 284 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
 285
 286         PR middle-end/45758
 287         * graphite.c (graphite_initialize): Call scev_reset.
 288
 289 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 290
 291         * sese.h (scev_analyzable_p): Return false for real or floating
 292         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
 293
 294 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         PR middle-end/45758
 297         * gfortran.dg/graphite/pr45758.f90: New.
 298
 299 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 300
 301         * graphite-scop-detection.c (is_scop_p): Free bblist.
 302
 303 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 304
 305         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
 306         and ps.
 307         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
 308         domain.
 309         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
 310         Do not allocate ub_expr, it is passed in initialized.
 311
 312 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 313
 314         * common.opt (fgraphite-dump-cloog): New flag.
 315         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 316         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 317         (build_cloog_prog): Dump CLooG input file when
 318         flag_graphite_dump_cloog is set.
 319         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
 320
 321 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 322
 323         Revert previous patch "New flag: -fgraphite-dump-cloog."
 324
 325 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 326
 327         * common.opt (fgraphite-dump-cloog): New flag.
 328         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 329         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 330         (build_cloog_prog): Dump CLooG input file when
 331         flag_graphite_dump_cloog is set.
 332
 333 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 334
 335         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
 336         verify_dominators for CDI_POST_DOMINATORS.
 337         * sese.h: Remove comment about CDI_POST_DOMINATORS.
 338         (recompute_all_dominators): Remove call to free_dominance_info
 339         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
 340         for CDI_POST_DOMINATORS.
 341
 342 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 343
 344         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 345         over pbb_dim_iter_domain.
 346
 347 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 348
 349         * graphite-flattening.c: Fix comments.
 350
 351 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 352
 353         * Makefile.in (OBJS-common): Add graphite-flattening.o.
 354         (graphite-flattening.o): New rule.
 355         * common.opt (floop-flatten): New flag.
 356         * doc/invoke.texi (-floop-flatten): Documented.
 357         * graphite-flattening.c: New.
 358         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
 359         * graphite-poly.h (flatten_all_loops): Declared.
 360         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
 361         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
 362         is set, also set flag_graphite.
 363
 364 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 365
 366         * graphite-poly.c (cloog_checksum): New.
 367         * graphite-poly.h (cloog_checksum): Declared.
 368
 369 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 370
 371         * graphite-poly.c (pbb_number_of_iterations): Removed.
 372         (pbb_number_of_iterations_at_time): Correctly compute the number
 373         of iterations in the transformed loop.
 374         * graphite-poly.h (pbb_number_of_iterations): Removed.
 375
 376 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 377
 378         * graphite-poly.h (lst_update_scattering_seq): Removed.
 379         (lst_update_scattering): Correctly handle outermost loop dewey
 380         renumbering.
 381
 382 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
 385         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
 386         * graphite-poly.h (lst_niter_for_loop): New.
 387
 388 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 389
 390         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 391         transform read from disk is not legal.  Call fatal_error instead.
 392
 393 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 394
 395         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 396         (print_scop_header): Removed.  Inlined in the only call place...
 397         (print_scop): ... here.
 398
 399 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 400
 401         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 402
 403 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 404
 405         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 406         (is_valid_stmt_p): Add data reference and operation-specific checks.
 407         (is_valid_bb_p): Change structure, add loop validity check.
 408         (is_scop_p): Move the TODO list
 409         (find_scops_new): New.
 410         (build_scops_new): Move part of functionality to find_scops_new and
 411         build_scops.  Add necessary steps for successful SCoP construction.
 412         (build_scops): Compute SCoP sets for both detection algorithms, choose
 413         the resulting one depending on static condition.
 414
 415 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 416
 417         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 418
 419 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 422         (dot_deps_stmt): Same.
 423         * graphite-poly.c (dot_lst): Same.
 424
 425 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 426
 427         * graphite-blocking.c (scop_do_strip_mine): Do not call
 428         graphite_legal_transform.
 429         (scop_do_block): Same.
 430
 431 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 432
 433         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 434         description.
 435
 436 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 437
 438         PR middle-end/45230
 439         * gcc.dg/graphite/id-pr45230.c: New.
 440
 441 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 442
 443         * tree-scalar-evolution.c (instantiate_array_ref): New.
 444         (instantiate_scev_r): Also handle ARRAY_REFs.
 445
 446 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 447
 448         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 449         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 450         RESULT_DECL, and FIELD_DECL.  Return false for an
 451         SSA_NAME_IS_DEFAULT_DEF.
 452         (compute_scalar_evolution_in_loop): Do not further analyze the
 453         scalar evolution when no_evolution_in_loop_p returns true.
 454
 455 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 456
 457         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 458         whether CHREC_LEFT is invariant.  A function is affine when
 459         CHREC_RIGHT is invariant.
 460
 461 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 462
 463         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 464         is_gimple_reg.
 465         (rewrite_degenerate_phi): Same.
 466         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 467
 468 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 469
 470         * graphite-scop-detection.c (graphite_can_represent_scev,
 471         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 472         graphite_can_represent_loop): Remove outermost_loop.
 473
 474 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 475
 476         PR middle-end/45229
 477         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 478         handle GIMPLE_CALLs with no LHS.
 479
 480 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 481             Sebastian Pop  <sebastian.pop@amd.com>
 482
 483         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 484         Call remove-build-file to clean up the generated *.graphite files.
 485
 486 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 487
 488         * doc/invoke.texi (debugging options): Update documentation.
 489         (-floop-interchange): Same.
 490         (-flopp-strip-mine): Same.
 491         (-floop-block): Same.
 492         (-fgraphite-read): Add documentation.
 493         (-fgraphite-write): Same.
 494
 495 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 496
 497         * toplev.c (process_options): Disable graphite loop optimization
 498         options when -fgraphite-read flag is used.
 499
 500 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 501
 502         * graphite-poly.c (init_graphite_out_file): New.
 503         (init_graphite_in_file): New.
 504         (apply_poly_transforms): Updated to enable reading and writing of
 505         multiple scop files.
 506         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 507
 508 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 509
 510         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 511         redundant checks.
 512
 513 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 514
 515         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 516         computation of precision by 1.
 517
 518 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 519
 520         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 521         (openscop_read_polyhedron_matrix): New.
 522         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 523         (openscop_read_N_int): Same.
 524         * graphite-poly.c (openscop_read_N_int): New.
 525         (openscop_read_one_int): New.
 526         (openscop_read_N_string): New.
 527         (openscop_read_one_string): New.
 528         (openscop_read_powerset_matrix): New.
 529         (graphite_read_transforms): Remove.
 530         (graphite_read_scatt): New.
 531         (graphite_read_scop_file): New.
 532         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 533
 534 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 535
 536         * graphite-poly.c: Change include order.
 537
 538 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 539
 540         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 541         (cloog_matrix_nrows): New.
 542
 543 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 544
 545         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 546         from matrix lines.
 547         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 548         (print_scattering_function_1): Same.
 549         (openscop_print_pbb_domain): Same.
 550         (openscop_print_scop_context): Same.
 551         (print_scop_context): Same.
 552
 553 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 554
 555         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 556         (openscop_print_pdr_polyhedron): Print pph.
 557
 558 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 559
 560         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 561         * gfortran.dg/graphite/graphite.exp: Same.
 562         * gcc.dg/graphite/vect-pr43423.c: New.
 563
 564 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 567         priority signed types.
 568
 569 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 572         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 573
 574 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 575
 576         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 577         (openscop_print_polyhedron_matrix): New.
 578         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 579         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 580         (openscop_print_pdr_powerset): New.
 581         (openscop_print_powerset_matrix): New.
 582         (openscop_print_scattering_function_1): New.
 583         (print_scattering_function): Add support for scattering names and
 584         OpenScop format.
 585         (graphite_write_transforms): Remove.
 586         (apply_poly_transforms): Updated to call print_scop.
 587         (print_pdr_access_layout): Updated to support OpenScop format.
 588         (print_pdr): Same.
 589         (openscop_print_pbb_domain): New.
 590         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 591         not provided.
 592         (print_pbb): Updated to call the new print_pbb_body.
 593         (openscop_print_scop_context): New.
 594         (print_scop_header): New.
 595         (print_scop): Updated to call print_scop_header.
 596         * graphite-poly.h: Document OpenScop format.
 597
 598 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 599
 600         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 601         the case removed in the previous patch, when the only phi argument
 602         is defined in the same loop as the phi node itself.  Handle it
 603         separately from the invariant case by both propagating it outside
 604         the region and replacing the phi node with an assign.
 605
 606 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 609         constant phi nodes with one argument are is_gimple_min_invariant
 610         and SSA_NAME_IS_DEFAULT_DEF.
 611
 612         * gfortran.dg/graphite/id-22.f: New.
 613
 614 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 615
 616         * graphite.c (graphite_initialize): Do not initialize
 617         CLooG and initialize the Parma Polyhedra Library
 618         manually when using CLOOG_ORG.
 619         (graphite_finalize): Do not finalize CLooG and finalize
 620         the Parma Polyhedra Library manually when using CLOOG_ORG.
 621         * graphite-cloog-compat.h (cloog_initialize): Hide function
 622         when using CLOOG_ORG.
 623         (cloog_finalize): Same.
 624
 625 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 626
 627         * graphite-clast-to-gimple.c (free_scattering): Change
 628         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 629         (CLOOG_ORG).
 630         (build_cloog_prog): Same.
 631         * graphite-cloog-compat.h (cloog_domain): Removed.
 632         (cloog_scattering): New.
 633         (cloog_set_domain): Removed.
 634         (cloog_set_scattering): New.
 635         (cloog_next_domain): Removed.
 636         (cloog_next_scattering): New.
 637         (cloog_set_next_domain): Removed.
 638         (cloog_set_next_scattering): New.
 639         (CloogScatteringList): New.
 640         (CloogScattering): New.
 641         (cloog_scattering_free): New.
 642         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 643         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 644         New.
 645
 646 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 647
 648         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 649         CloogState.
 650         (set_cloog_options): Same.
 651         (print_clast_stmt): Same.
 652         (scop_to_clast): Same.
 653         (print_generated_program): Same.
 654         (gloog): Same.
 655         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 656         (scop_to_clast): Extend with CloogState.
 657         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 658         (new_Cloog_Domain_from_ppl_Polyhedron):
 659         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 660         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 661         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 662         * graphite-cloog-util.h (build_cloog_prog): Same.
 663         * graphite-cloog-copat.h (build_cloog_prog): New.
 664         (CloogState): New.
 665         (cloog_state_malloc): New.
 666         (cloog_state_free): New.
 667         (cloog_loop_malloc): New.
 668         (cloog_options_malloc): New.
 669         (cloog_statement_alloc): New.
 670         (cloog_domain_from_cloog_matrix): New.
 671         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 672         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 673
 674 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 675
 676         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 677         type of NAME now depends on used CLooG version.
 678         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 679         (gcc_type_for_clast_expr): Same.
 680         (print_clast_stmt): Replace pprint with clast_pprint.
 681         * graphite-cloog-compat.h: Provide compatibility macros for
 682         CLooG Legacy.
 683         (clast_name_p): New.
 684         (clast_expr_term): New.
 685         (clast_expr_red): New.
 686         (clast_expr_bin): New.
 687         (clast_pprint): New.
 688
 689 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 690
 691         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 692         compatible to newer CLooG releases (CLOOG_ORG).
 693         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 694         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 695         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 696         (build_cloog_prog) : New.
 697         (cloog_program_extract_scalars): New.
 698         (cloog_program_scatter): New.
 699
 700 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 701
 702         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 703         conditionally (CLOOG_ORG).
 704         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 705         (cloog_statement_usr): New.
 706         (cloog_domain): Same.
 707         (cloog_set_domain): Same.
 708         (cloog_next_domain): Same.
 709         (cloog_set_next_domain): Same.
 710         (cloog_program_nb_scattdims): Same.
 711         (cloog_program_set_nb_scattdims): Same.
 712         (cloog_program_names): Same.
 713         (cloog_program_set_names): Same.
 714         (cloog_program_set_context): Same.
 715         (cloog_program_set_loop): Same.
 716         (cloog_program_blocklist): Same.
 717         (cloog_program_set_blocklist): Same.
 718         (cloog_program_scaldims): Same.
 719         (cloog_program_set_scaldims): Same.
 720         (cloog_names_nb_parameters): Same.
 721         (cloog_names_set_nb_parameters): Same.
 722         (cloog_names_parameters): Same.
 723         (cloog_names_set_parameters): Same.
 724         (cloog_names_set_nb_iterators): Same.
 725         (cloog_names_set_iterators): Same.
 726         (cloog_names_set_nb_scattering): Same.
 727         (cloog_names_set_scattering): Same.
 728         (cloog_statement_set_usr): Same.
 729         (cloog_loop_set_next): Same.
 730         (cloog_loop_set_domain): Same.
 731         (cloog_loop_set_block): Same.
 732         (cloog_block_list_next): Same.
 733         (cloog_block_list_set_next):
 734         (cloog_block_list_set_block): Same.
 735
 736 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 739         a bool.
 740         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 741         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 742         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 743         when something has been changed.
 744         (rewrite_commutative_reductions_out_of_ssa): Same.
 745
 746         * gcc.dg/graphite/id-26.c: New.
 747
 748 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 751         handle the case when def is in the sese region.
 752         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 753         for invariant expressions.
 754         (rewrite_cross_bb_phi_deps): Removed.
 755         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 756         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 757         rewrite_cross_bb_phi_deps.
 758
 759 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 760
 761         * graphite-sese-to-poly.c
 762         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 763         scev_analyzable_p only on is_gimple_reg
 764
 765         * gcc.dg/graphite/id-25.c: New.
 766
 767 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 768
 769         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 770         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 771         parametric expressions outside the scop region.
 772         (rewrite_cross_bb_scalar_deps): Same.
 773         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 774
 775         * gcc.dg/graphite/run-id-5.c: New.
 776         * gcc.dg/graphite/run-id-6.c: New.
 777         * gfortran.dg/graphite/id-21.f: New.
 778
 779 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 782         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 783
 784         * gcc.dg/graphite/id-24.c: New.
 785
 786 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 787
 788         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 789         instantiate default definitions.
 790
 791 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 792
 793         * graphite-scop-detection.c (is_valid_stmt_p): New.
 794         (is_valid_bb_p): New.
 795
 796 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 797             Sebastian Pop  <sebastian.pop@amd.com>
 798
 799         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 800         (loop_exits_from_bb_p): New.
 801         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 802         (loop_exits_from_bb_p): Declared.
 803         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 804         loop_exits_to_bb_p.
 805
 806 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 807
 808         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 809         tree-data-ref.h.
 810         (dot_regions_1): New.
 811         (dot_regions): New.
 812         * refined-regions.h (dot_regions): Declared.
 813         * Makefile.in (refined-regions.o): Update dependences.
 814
 815 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 816
 817         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 818         extra parameter for the region.  Call scev_analyzable_p.
 819         (rewrite_reductions_out_of_ssa): Update call to
 820         rewrite_close_phi_out_of_ssa.
 821         (rewrite_cross_bb_phi_deps): Same.
 822         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 823         parameter for the region.  Call scev_analyzable_p.
 824         (rewrite_commutative_reductions_out_of_ssa): Update call to
 825         rewrite_commutative_reductions_out_of_ssa_loop.
 826
 827 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         * gcc.dg/tree-ssa/pr20742.c: New.
 830
 831 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 832
 833         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 834
 835         * gcc.dg/graphite/id-23.c: New.
 836
 837 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 838
 839         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 840         SSA scalar phi nodes that can be scev_analyzable_p.
 841
 842         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 843
 844 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 847         handle SSA_NAME_IS_DEFAULT_DEF.
 848
 849 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 850
 851         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 852
 853         * gcc.dg/graphite/pr42729.c: New.
 854
 855 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 858         case non close-phi nodes with one argument.
 859
 860 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * sese.h (scev_analyzable_p): Scevs could be expressions without
 863         chrecs and still be scev_analyzable_p.
 864
 865 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 866
 867         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 868
 869 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 870
 871         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 872         * cfgloop.h (struct loop): Remove single_iv field.
 873         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 874         (scop_canonicalize_loops): Removed.
 875         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 876         over all the loop phi nodes in loop->header.
 877         (build_poly_scop): Remove use of scop_canonicalize_loops.
 878
 879 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 880
 881         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 882         handle GIMPLE_CALL.
 883
 884 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * tree-chrec.c (chrec_apply): Should only apply to the specified
 887         variable.  Also handle multivariate chains of recurrences that
 888         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 889
 890 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 891
 892         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 893         (debug_clast_name_indexes_1): Removed.
 894         (debug_clast_name_indexes): Removed.
 895         (pbb_to_depth_to_oldiv): Removed.
 896         (build_iv_mapping): Replace the use of rename_map with iv_map.
 897         (translate_clast_user): Remove uses of rename_map.  Allocate and
 898         free iv_map.
 899         (translate_clast_for_loop): Remove uses of rename_map.
 900         (translate_clast_for): Same.
 901         (translate_clast_guard): Same.
 902         (translate_clast): Same.
 903         (gloog): Same.
 904         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 905         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 906         * sese.c (set_rename): Now static.
 907         (rename_variables_in_stmt): Removed.
 908         (rename_uses): New.
 909         (is_parameter): Removed.
 910         (is_iv): Removed.
 911         (expand_scalar_variables_call): Removed.
 912         (expand_scalar_variables_ssa_name): Removed.
 913         (expand_scalar_variables_expr): Removed.
 914         (expand_scalar_variables_stmt): Removed.
 915         (expand_scalar_variables): Removed.
 916         (rename_variables): Removed.
 917         (remove_condition): Removed.
 918         (get_true_edge_from_guard_bb): Removed.
 919         (get_false_edge_from_guard_bb): Removed.
 920         (struct igp): Removed.
 921         (default_before_guard): Removed.
 922         (convert_for_phi_arg): Removed.
 923         (add_guard_exit_phis): Removed.
 924         (insert_guard_phis): Removed.
 925         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 926         region.  Do not copy conditions.  Do not copy induction variables.
 927         Call rename_uses.
 928         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 929         the translated statement.  Use the iv_map for the induction
 930         variable renaming.
 931         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 932         (set_rename): Removed declaration.
 933         (scev_analyzable_p): ...here.
 934         * tree-chrec.c (chrec_apply_map): New.
 935         * tree-chrec.h (chrec_apply_map): Declared.
 936
 937 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 938
 939         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 940         insert_loop_close_phis.
 941         * sese.c (name_defined_in_loop_p): Removed.
 942         (expr_defined_in_loop_p): Removed.
 943         (alive_after_loop): Removed.
 944         (close_phi_not_yet_inserted_p): Removed.
 945         (struct alep): Removed.
 946         (add_loop_exit_phis): Removed.
 947         (insert_loop_close_phis): Removed.
 948
 949 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 950
 951         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 952         condition.
 953         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 954
 955 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 956
 957         * gfortran.dg/graphite/id-20.f: New.
 958
 959 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 960
 961         * graphite-cloog-util.h: Added cloog.h.
 962         * graphite-blocking.c: Removed cloog.h.
 963         * graphite-dependences.c: Same.
 964         * graphite-interchange.c: Same.
 965         * graphite-poly.c: Same.
 966         * graphite-ppl.c: Same.
 967         * graphite-scop-detection.c: Same.
 968         * graphite-sese-to-poly.c:
 969         Removed cloog.h.
 970         Removed graphite-clast-to-gimple.h.
 971         (check_poly_representation): Removed (unused).
 972         * graphite-sese-to-poly.h
 973         (check_poly_representation): Removed (unused).
 974
 975 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 976
 977         * Makefile.in
 978         (OBJS-common): Added graphite-cloog-util.o.
 979         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 980         (graphite-cloog-util.o): New.
 981         (graphite-ppl.o): Added graphite-cloog-util.h.
 982         * graphite-clast-to-gimple.c:
 983         Added graphite-cloog-util.h to include statements.
 984         * graphite-cloog-util.c: New.
 985         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 986         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 987         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 988         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 989         (ppl_Constrain_System_number_of_constraints): Same.
 990         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 991         (oppose_constraint): Same.
 992         (cloog_matrix_to_ppl_constraint): Same.
 993         (new_Constraint_System_from_Cloog_Matrix): Same.
 994         (insert_constraint_into_matrix): Same. Declared static.
 995         * graphite-cloog-util.h: New.
 996         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 997         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 998         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 999         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1000         (insert_constraint_into_matrix): Same.
1001         * graphite-ppl.c:
1002         Added graphite-cloog-util.h to include statements.
1003         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
1004         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1005         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1006         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1007         (insert_constraint_into_matrix): Same.
1008         (ppl_Constrain_System_number_of_constraints): Same.
1009         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1010         (oppose_constraint): Same.
1011         (cloog_matrix_to_ppl_constraint): Same.
1012         (new_Constraint_System_from_Cloog_Matrix): Same.
1013         * graphite-ppl.h:
1014         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
1015         graphite-cloog-util.h.
1016         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1017         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1018         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1019         (insert_constraint_into_matrix): Removed.
1020
1021 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1022
1023         * graphite-clast-to-gimple.c
1024         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
1025         (precision_for_interval): Same.
1026         (gcc_type_for_interval): Same.
1027         (compute_type_for_level): Same.
1028         * graphite-interchange.c
1029         (lst_interchange_profitable_p): Same.
1030         * graphite-poly.c
1031         (psct_scattering_dim_for_loop_depth): Same.
1032         * graphite-ppl.c
1033         (ppl_max_for_le_pointset): Same.
1034         (ppl_min_for_le_pointset): Same.
1035
1036 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
1037
1038         * refined-regions.c (bb_index_compare): New.
1039         (get_bbs_in_region): New.
1040         (print_bbs_in_region): New.
1041         (print_refined_region): Add an argument that allows to print
1042         all basic blocks contained in regions.
1043         (debug_refined_region): Update call to print_refined_region.
1044         * refined-regions.h (print_refined_region): Update declaration.
1045         (get_bbs_in_region): Declared.
1046         * graphite-scop-detection.c (build_scops_new): Print the refined
1047         region tree into the Grahite dump file.
1048
1049 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
1052         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
1053
1054 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
1057         rewrite_close_phi_out_of_ssa.
1058
1059         * gcc.dg/graphite/id-22.c: New.
1060
1061 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1062
1063         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
1064
1065 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1066
1067         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
1068         rename_map.
1069         * sese.c (debug_rename_map): Same.
1070         (get_rename): Same.
1071         (set_rename): Same.
1072         (rename_variables_in_stmt): Same.
1073         (expand_scalar_variables_call): Same.
1074         (expand_scalar_variables_ssa_name): Same.
1075         (expand_scalar_variables_expr): Same.
1076         (expand_scalar_variables_stmt): Same.
1077         (expand_scalar_variables): Same.
1078         (rename_variables): Same.
1079         (graphite_copy_stmts_from_block): Same.
1080         (copy_bb_and_scalar_dependences): Same.
1081
1082 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1083
1084         * graphite-clast-to-gimple.c (copy_renames): Removed.
1085         (translate_clast_for): Do not call copy_renames.
1086         (translate_clast_guard): Same.
1087
1088 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
1091         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
1092         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
1093         before rewrite_cross_bb_scalar_deps.
1094
1095 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1096
1097         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
1098         Early return in when flag_associative_math is not set.
1099
1100 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * gcc.dg/graphite/run-id-2.c: Call abort.
1103
1104 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1105
1106         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
1107         of SSA copies on edges except for loop->latch.
1108
1109 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
1112         Split out of rewrite_reductions_out_of_ssa.
1113         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
1114         Declared.
1115         * graphite.c (graphite_transform_loops): Call it.
1116
1117 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
1120
1121 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
1122
1123         * passes.c (init_optimization_passes): Add pass_graphite.
1124         Schedule a pass_copy_prop before pass_graphite_transforms.
1125         * timevar.def (TV_GRAPHITE): Declared.
1126         * tree-pass.h (pass_graphite): Declared.
1127         * tree-ssa-loop.c (pass_graphite): New.
1128
1129         * gcc.dg/graphite/id-20.c: New.
1130
1131 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
1134         Remove calls to rename_nb_iterations and rename_sese_parameters.
1135         * graphite-clast-to-gimple.h (gloog): Update declaration.
1136         * graphite.c (graphite_transform_loops): Update call to gloog.
1137         * sese.c (rename_variables_in_expr): Removed.
1138         (rename_nb_iterations): Removed.
1139         (rename_sese_parameters): Removed.
1140         * sese.h (rename_nb_iterations): Removed.
1141         (rename_sese_parameters): Removed.
1142
1143 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1144
1145         * graphite-clast-to-gimple.c (gloog): Remove call to
1146         sese_adjust_liveout_phis.
1147         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
1148         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
1149         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
1150         rewrite_phi_out_of_ssa.
1151         * sese.c (get_vdef_before_sese): Removed.
1152         (sese_adjust_vphi): Removed.
1153         (sese_adjust_liveout_phis): Removed.
1154         * sese.h (sese_adjust_liveout_phis): Removed.
1155
1156 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
1159         argument for the place after which to insert the out of SSA copy.
1160         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
1161         (rewrite_phi_out_of_ssa): Same.
1162         (rewrite_cross_bb_scalar_deps): Same.
1163         (insert_copyout): Removed.
1164         (insert_copyin): Removed.
1165         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
1166         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
1167         insert_copyin.
1168
1169 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
1172         (rewrite_reductions_out_of_ssa): Same.
1173         (rewrite_commutative_reductions_out_of_ssa): Same.
1174         (build_poly_scop): Do not call these functions.
1175         * graphite-sese-to-poly.h (build_poly_scop): Declared.
1176         (rewrite_reductions_out_of_ssa): Declared.
1177         (rewrite_commutative_reductions_out_of_ssa): Declared.
1178         * graphite.c (graphite_transform_loops): Call on every scop
1179         rewrite_commutative_reductions_out_of_ssa before calling
1180         rewrite_reductions_out_of_ssa and build_scop_bbs.
1181
1182 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-dependences.c (dot_deps): Make system call to dotty run
1185         in background.
1186         (dot_deps_stmt): Same.
1187         * graphite-poly.c (dot_lst): Same.
1188
1189 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1192         old_type in parameter.
1193         (gcc_type_for_value): Update call to gcc_type_for_interval.
1194         (compute_type_for_level_1): Renamed compute_type_for_level.
1195         Update call to gcc_type_for_interval.
1196
1197 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1200         the scev analysis when the variable is not used outside the loop
1201         in a close phi node: call compute_overall_effect_of_inner_loop.
1202
1203 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1206         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1207         (build_sese_conditions_before): Renamed call to single_pred_cond.
1208         (build_sese_conditions_after): Same.
1209
1210 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212         * graphite-poly.h: Fix comments and indentation.
1213         * graphite-sese-to-poly.c: Same.
1214         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1215         * tree-chrec.c: Fix comments and indentation.
1216         (tree-ssa-loop-niter.c): Same.
1217
1218 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1219
1220         * refined-regions.c (create_region): Only initialize the region.
1221         (find_regions_with_entry): Initialize parent relation and bbmap
1222         correctly.
1223         (build_regions_tree): Set outermost_region to region instead of
1224         topmost_region.
1225         (calculate_region_tree): Remove unneeded parameters.
1226
1227 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1228
1229         * graphite-scop-detection.c (is_scop_p): New.
1230         (build_scops_new): New. A skeleton for the new scop detection.
1231         (build_scops_old): Renamed from build_scops.
1232         (build_scops): New version. Call the new and the old scop
1233         detection.
1234
1235 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1236             Antoniu Pop  <antoniu.pop@gmail.com>
1237
1238         * Makefile.in (OBJS-common): Add refined-regions.o.
1239         (refined-regions.o): New.
1240         (graphite-scop-detection.o): Use refined-regions.h.
1241         * graphite-scop-detection.c: Include refined-regions.h
1242         (build_scops): Also build the refined region tree.
1243         * refined-regions.c: New. Adds an algorithm to detect refined
1244         regions.
1245         (print_refined_region): New.
1246         (debug_refined_region): New.
1247         (refined_region_contains_bb_p): New.
1248         (refined_region_contains_region_p): New.
1249         (is_common_df): New.
1250         (struct find_regions_global_data): New.
1251         (is_region): New.
1252         (typedef struct bb_bb_def): New.
1253         (new_bb_bb_def): New.
1254         (bb_bb_map_hash): New.
1255         (eq_bb_bb_map): New.
1256         (find_new_bb): New.
1257         (bb_reg_def): New.
1258         (new_bb_reg_def): New.
1259         (bb_reg_map_hash): New.
1260         (eq_bb_reg_map): New.
1261         (find_new_region): New.
1262         (insert_new_reg): New.
1263         (insert_new_bb): New.
1264         (insert_shortcut): New.
1265         (get_next_postdom): New.
1266         (create_region): New.
1267         (find_regions_with_entry): New.
1268         (find_regions_adc): New.
1269         (find_regions): New.
1270         (get_topmost_parent): New.
1271         (build_regions_tree): New.
1272         (calculate_region_tree): New.
1273         (free_region_tree): New.
1274         * refined-regions.h: New.
1275         (struct refined_region): New.
1276         (calculate_region_tree): New.
1277         (free_region_tree): New.
1278         (refined_region_contains_bb_p): New.
1279         (refined_region_contains_region_p): New.
1280         (print_refined_region): New.
1281         (debug_refined_region): New.
1282
1283 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1284
1285         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1286         size_one_node.
1287
1288 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1291         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1292
1293 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1296         phi_arg_in_outermost_loop.
1297         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1298         (remove_invariant_phi): Same.
1299
1300 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1301
1302         * graphite-blocking.c
1303         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1304         * graphite-clast-to-gimple.c
1305         (clast_to_gcc_expression): Same.
1306         (precision_for_value): Same.
1307         (precision_for_interval): Same.
1308         (gcc_type_for_interval): Same.
1309         (graphite_create_new_guard): Same.
1310         (compute_bounds_for_level): Same.
1311         (graphite_create_new_loop_guard): Same.
1312         * graphite-interchange.c
1313         (build_linearized_memory_access): Same.
1314         (pdr_stride_in_loop): Same.
1315         (memory_strides_in_loop_1): Same.
1316         (memory_strides_in_loop): Same.
1317         (extend_scattering): Same.
1318         (psct_scattering_dim_for_loop_depth): Same.
1319         (pbb_number_of_iterations): Same.
1320         * graphite-poly.h
1321         (debug_iteration_domains): Same.
1322         * graphite-ppl.c
1323         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1324         (ppl_set_inhomogeneous_gmp): Same.
1325         (ppl_strip_loop): Same.
1326         (ppl_lexico_compare_linear_expressions): Same.
1327         (ppl_read_polyhedron_matrix): Same.
1328         (ppl_max_for_le_pointset): Same.
1329         * graphite-ppl.h
1330         (ppl_read_polyhedron_matrix): Same.
1331         (tree_int_to_gmp): Same.
1332         (gmp_cst_to_tree): Same.
1333         (ppl_set_inhomogeneous): Same.
1334         (ppl_set_inhomogeneous_tree): Same.
1335         (ppl_set_coef): Same.
1336         (ppl_set_coef_tree): Same.
1337         * graphite-sese-to-poly.c
1338         (build_pbb_scattering_polyhedrons): Same.
1339         (build_scop_scattering): Same.
1340         (scan_tree_for_params_right_scev): Same.
1341         (scan_tree_for_params): Same.
1342         (find_params_in_bb): Same.
1343         (find_scop_parameters): Same.
1344         (add_upper_bounds_from_estimated_nit): Same.
1345         (build_loop_iteration_domains): Same.
1346         (add_condition_to_domain): Same.
1347         (pdr_add_memory_accesses): Same.
1348
1349 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1350
1351         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1352         CLooG's value_* macros to their respective mpz_* counterparts.
1353         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1354         (graphite_create_new_loop_guard): Same.
1355         * graphite-interchange.c (build_linearized_memory_access): Same.
1356         (pdr_stride_in_loop): Same.
1357         (memory_strides_in_loop_1): Same.
1358         (1st_interchange_profitable_p): Same.
1359         * graphite-poly.c (extend_scattering): Same.
1360         (psct_scattering_dim_for_loop_depth): Same.
1361         (pbb_number_of_iterations): Same.
1362         (pbb_number_of_iterations_at_time): Same.
1363         * graphite-poly.h (new_1st_loop): Same.
1364         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1365         (oppose_constraint): Same.
1366         (insert_constraint_into_matrix): Same.
1367         (ppl_set_inhomogeneous_gmp): Same.
1368         (ppl_set_coef_gmp): Same.
1369         (ppl_strip_loop): Same.
1370         (ppl_lexico_compare_linear_expressions): Same.
1371         (ppl_max_for_le_pointset): Same.
1372         (ppl_min_for_le_pointset): Same.
1373         (ppl_build_realtion): Same.
1374         * graphite-ppl.h (gmp_cst_to_tree): Same.
1375         (ppl_set_inhomogeneous): Same.
1376         (ppl_set_inhomogeneous_tree): Same.
1377         (ppl_set_coef): Same.
1378         (ppl_set_coef_tree): Same.
1379         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1380         (build_scop_scattering): Same.
1381         (add_value_to_dim): Same.
1382         (scan_tree_for_params_right_scev): Same.
1383         (scan_tree_for_params_int): Same.
1384         (scan_tree_for_params): Same.
1385         (find_params_in_bb): Same.
1386         (find_scop_parameters): Same.
1387         (add_upper_bounds_from_estimated_nit): Same.
1388         (build_loop_iteration_domains): Same.
1389         (create_linear_expr_from_tree): Same.
1390         (add_condition_to_domain): Same.
1391         (pdr_add_memory_accesses): Same.
1392
1393 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1394
1395         PR middle-end/43519
1396         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1397         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1398         When converting an unsigned type to signed, double its precision.
1399         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1400         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1401         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1402
1403 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1404
1405         PR middle-end/43519
1406         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1407         build_nonstandard_integer_type.
1408         (gcc_type_for_interval): Same.
1409
1410 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         PR middle-end/43519
1413         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1414         POINTER_PLUS_EXPR for pointer types.
1415
1416         * gcc.dg/graphite/id-19.c: New.
1417
1418 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1419
1420         PR middle-end/43519
1421         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1422         * graphite-clast-to-gimple.c: Include langhooks.h.
1423         (max_signed_precision_type): New.
1424         (max_precision_type): Takes two types as arguments.
1425         (precision_for_value): New.
1426         (precision_for_interval): New.
1427         (gcc_type_for_interval): New.
1428         (gcc_type_for_value): New.
1429         (gcc_type_for_clast_term): New.
1430         (gcc_type_for_clast_red): New.
1431         (gcc_type_for_clast_bin): New.
1432         (gcc_type_for_clast_expr): Split up into several functions.
1433         (gcc_type_for_clast_eq): Rewritten.
1434         (compute_bounds_for_level): New.
1435         (compute_type_for_level_1): New.
1436         (compute_type_for_level): New.
1437         (gcc_type_for_cloog_iv): Removed.
1438         (gcc_type_for_iv_of_clast_loop): Rewritten.
1439         (graphite_create_new_loop): Compute the lower and upper bound types
1440         with gcc_type_for_clast_expr.
1441         (graphite_create_new_loop_guard): Same.
1442         (find_cloog_iv_in_expr): Removed.
1443         (compute_cloog_iv_types_1): Removed.
1444         (compute_cloog_iv_types): Removed.
1445         (gloog): Do not call compute_cloog_iv_types.
1446         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1447         GBB_CLOOG_IV_TYPES.
1448         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1449         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1450         (GBB_CLOOG_IV_TYPES): Removed.
1451
1452         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1453
1454 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         Reverted this commit: as at this point the loop closed SSA form
1457         is under a canonical form respecting the single argument condition.
1458         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1459         close phi nodes may have more than one argument.
1460
1461 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1462
1463         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1464         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1465         (detect_commutative_reduction): Same.
1466
1467 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1470         close phi nodes may have more than one argument.
1471
1472 2010-03-30  Richard Guenther  <rguenther@suse.de>
1473             Zdenek Dvorak  <ook@ucw.cz>
1474             Sebastian Pop  <sebastian.pop@amd.com>
1475
1476         PR middle-end/43464
1477         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1478         with multiple arguments.
1479         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1480
1481 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-dependences.c (print_pddr): Call print_pdr with an
1484         extra argument.
1485         * graphite-poly.c (debug_pdr): Add an extra argument for the
1486         verbosity level.
1487         (print_pdr): Same.
1488         (print_pbb_domain): Same.
1489         (print_pbb): Same.
1490         (print_scop_context): Same.
1491         (print_scop): Same.
1492         (print_cloog): Same.
1493         (debug_pbb_domain): Same.
1494         (debug_pbb): Same.
1495         (print_pdrs): Same.
1496         (debug_pdrs): Same.
1497         (debug_scop_context): Same.
1498         (debug_scop): Same.
1499         (debug_cloog): Same.
1500         (print_scop_params): Same.
1501         (debug_scop_params): Same.
1502         (print_iteration_domain): Same.
1503         (print_iteration_domains): Same.
1504         (debug_iteration_domain): Same.
1505         (debug_iteration_domains): Same.
1506         (print_scattering_function): Same.
1507         (print_scattering_functions): Same.
1508         (debug_scattering_function): Same.
1509         (debug_scattering_functions): Same.
1510         * graphite-poly.h (debug_pdr): Update declaration.
1511         (print_pdr): Same.
1512         (print_pbb_domain): Same.
1513         (print_pbb): Same.
1514         (print_scop_context): Same.
1515         (print_scop): Same.
1516         (print_cloog): Same.
1517         (debug_pbb_domain): Same.
1518         (debug_pbb): Same.
1519         (print_pdrs): Same.
1520         (debug_pdrs): Same.
1521         (debug_scop_context): Same.
1522         (debug_scop): Same.
1523         (debug_cloog): Same.
1524         (print_scop_params): Same.
1525         (debug_scop_params): Same.
1526         (print_iteration_domain): Same.
1527         (print_iteration_domains): Same.
1528         (debug_iteration_domain): Same.
1529         (debug_iteration_domains): Same.
1530         (print_scattering_function): Same.
1531         (print_scattering_functions): Same.
1532         (debug_scattering_function): Same.
1533         (debug_scattering_functions): Same.
1534
1535 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1536
1537         * graphite-poly.c (print_scattering_function_1): New.
1538         (print_scattering_function): Call it.
1539         (print_scop_params): Remove spaces at the end of lines.
1540         (print_cloog): New.
1541         (debug_cloog): New.
1542         * graphite-poly.h (print_cloog): Declared.
1543         (debug_cloog): Declared.
1544
1545 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * tree-ssa-copy.c: Revert this previous change:
1548         (init_copy_prop): Loop closed phi nodes cancontain more than one
1549         argument.
1550         (execute_copy_prop): Revert the previous change: do not call
1551         rewrite_into_loop_closed_ssa.
1552
1553 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1554             Richard Guenther  <rguenther@suse.de>
1555
1556         PR middle-end/43464
1557         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1558         contain more than one argument.
1559         (execute_copy_prop): Revert the previous change: do not call
1560         rewrite_into_loop_closed_ssa.
1561
1562         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1563         * gcc.dg/graphite/id-pr43464-1.c: New.
1564
1565 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1566
1567         PR middle-end/43464
1568         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1569         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1570
1571         * gcc.dg/graphite/id-pr43464.c: New.
1572
1573 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1574
1575         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1576         in loop->header.
1577         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1578         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1579         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1580         to switch between adding the IV bump in loop->latch or in loop->header.
1581
1582 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * passes.c (init_optimization_passes): Add pass_copy_prop
1585         after Graphite.
1586
1587 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         * graphite-poly.c (print_scattering_function): Pretty print following
1590         the scoplib format.
1591         (print_pdr): Same.
1592         (print_pbb_domain): Same.
1593         (dump_gbb_cases): Same.
1594         (dump_gbb_conditions): Same.
1595         (print_pdrs): Same.
1596         (print_pbb): Same.
1597         (print_scop_params): Same.
1598         (print_scop_context): Same.
1599         (print_scop): Same.
1600         (print_pbb_body): New.
1601         (lst_indent_to): New.
1602         (print_lst): Start new lines with a #.
1603         * graphite-poly.h (pbb_bb): New.
1604         (pbb_index): Use pbb_bb.
1605         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1606         disjuncts.
1607         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1608
1609 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1610
1611         PR middle-end/43351
1612         * gcc.dg/graphite/id-pr43351.c
1613
1614 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         PR middle-end/43354
1617         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1618         call insert_out_of_ssa_copy for default definitions.
1619         * gfortran.dg/graphite/id-pr43354.f: New.
1620
1621 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1622
1623         PR middle-end/43349
1624         * gfortran.dg/graphite/pr43349.f: New.
1625
1626 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * graphite-clast-to-gimple.c (my_long_long): Defined.
1629         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1630         * graphite-sese-to-poly.c (my_long_long): Defined.
1631         (scop_ivs_can_be_represented): Use it.
1632
1633 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1636         graphite-max-bbs-per-function, and loop-block-tile-size.
1637         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1638         with "maximum".
1639         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1640
1641 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1644         forward declaration.
1645         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1646         (add_upper_bounds_from_estimated_nit): New.
1647         (build_loop_iteration_domains): Use it.
1648
1649 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1652
1653 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1654
1655         PR middle-end/43306
1656         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1657         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1658         * gcc.dg/graphite/pr43306.c: New.
1659
1660 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1661
1662         * graphite.c (graphite_initialize): To bound the number of bbs per
1663         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1664         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1665         * doc/invoke.texi: Document it.
1666
1667 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1670         * graphite-sese-to-poly.h (build_poly_scop): Same.
1671
1672 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1675         the number of parameters in the scop.  Use as an upper bound
1676         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1677         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1678         * doc/invoke.texi: Document it.
1679
1680 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         * graphite-sese-to-poly.c (add_param_constraints): Use
1683         lower_bound_in_type and upper_bound_in_type.
1684
1685 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1688         instead of unsigned_type_node.
1689
1690 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1691             Reza Yazdani  <reza.yazdani@amd.com>
1692
1693         PR middle-end/43065
1694         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1695         on pointer type parameters.
1696
1697         * gcc.dg/graphite/run-id-4.c: New.
1698
1699 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1700
1701         PR middle-end/43065
1702         * gcc.dg/graphite/run-id-3.c: New.
1703
1704 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1705             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1706
1707         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1708         handle conversions from pointer to integers.
1709         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1710         induction variable, to be able to work with code generated by CLooG.
1711         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1712         (build_poly_scop): Bail out if we cannot codegen a loop.
1713
1714 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1715
1716         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1717         code generation with gloog_error.
1718
1719 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1722         Call fold_convert on all the returned values.
1723         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1724         the type of the resulting expression.
1725
1726 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1729         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1730         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1731
1732 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1733
1734         * graphite-dependences.c (map_into_dep_poly): Removed.
1735         (dependence_polyhedron_1): Use combine_context_id_scat.
1736
1737 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1740         (struct poly_bb): Same.
1741         (combine_context_id_scat): New.
1742
1743 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         PR middle-end/42326
1746         * sese.c (name_defined_in_loop_p): Return false for default
1747         definitions.
1748
1749         * gcc.dg/graphite/pr42326.c: New.
1750
1751 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1754         and clean up the logic.
1755
1756 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1757
1758         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1759         early return.
1760
1761 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         PR middle-end/43083
1764         * graphite-scop-detection.c (create_single_exit_edge): Move
1765         the call to find_single_exit_edge to....
1766         (create_sese_edges): ...here.  Don't handle multiple edges
1767         exiting the function.
1768         (build_graphite_scops): Don't handle multiple edges
1769         exiting the function.
1770
1771         * gcc.dg/graphite/pr43083.c: New.
1772
1773 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         PR middle-end/43097
1776         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1777         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1778
1779         * gfortran.dg/graphite/pr43097.f: New.
1780
1781 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1782             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1783
1784         PR middle-end/43140
1785         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1786
1787 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1788
1789         PR middle-end/43026
1790         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1791
1792         * g++.dg/graphite/pr43026.C: New.
1793
1794 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1795
1796         * Merge from mainline (154736:156693).
1797
1798 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1799
1800         PR middle-end/43012
1801         * gcc.dg/graphite/pr43012.c: New.
1802
1803 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1806 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * g++.dg/graphite/pr42930.C: New.
1809
1810 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1811
1812         PR middle-end/42930
1813         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1814         graphite_can_represent_init for MULT_EXPR.
1815
1816 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         PR middle-end/42914
1819         PR middle-end/42530
1820         * graphite-sese-to-poly.c (remove_phi): New.
1821         (translate_scalar_reduction_to_array): Call remove_phi.
1822
1823         * gcc.dg/graphite/pr42530.c: New.
1824         * gcc.dg/graphite/pr42914.c: New.
1825
1826 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         PR middle-end/42771
1829         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1830         * graphite-clast-to-gimple.h (gloog): Update declaration.
1831         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1832         * graphite-poly.h (struct poly_bb): Add missing comments.
1833         (struct scop): Add poly_scop_p field.
1834         (POLY_SCOP_P): New.
1835         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1836         * graphite.c (graphite_transform_loops): Build the polyhedral
1837         representation for each scop before code generation.
1838         * sese.c (rename_variables_in_operand): Removed.
1839         (rename_variables_in_expr): Return the renamed expression.
1840         (rename_sese_parameters): New.
1841         * sese.h (rename_sese_parameters): Declared.
1842
1843         * gcc.dg/graphite/pr42771.c: New.
1844
1845 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1846
1847         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1848         return 0 from main.
1849         * gcc.dg/graphite/block-1.c: Same.
1850         * gcc.dg/graphite/block-3.c: Same.
1851         * gcc.dg/graphite/block-4.c: Same.
1852         * gcc.dg/graphite/block-5.c: Same.
1853         * gcc.dg/graphite/block-6.c: Same.
1854         * gcc.dg/graphite/block-7.c: Same.
1855         * gcc.dg/graphite/interchange-0.c: Same.
1856         * gcc.dg/graphite/interchange-1.c: Same.
1857         * gcc.dg/graphite/interchange-10.c: Same.
1858         * gcc.dg/graphite/interchange-11.c: Same.
1859         * gcc.dg/graphite/interchange-12.c: Same.
1860         * gcc.dg/graphite/interchange-2.c: Same.
1861         * gcc.dg/graphite/interchange-3.c: Same.
1862         * gcc.dg/graphite/interchange-4.c: Same.
1863         * gcc.dg/graphite/interchange-5.c: Same.
1864         * gcc.dg/graphite/interchange-6.c: Same.
1865         * gcc.dg/graphite/interchange-7.c: Same.
1866         * gcc.dg/graphite/interchange-8.c: Same.
1867         * gcc.dg/graphite/interchange-9.c: Same.
1868         * gcc.dg/graphite/interchange-mvt.c: Same.
1869
1870 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * gfortran.dg/graphite/id-19.f: New.
1873         * gfortran.dg/graphite/pr14741.f90: New.
1874         * gfortran.dg/graphite/pr41924.f90: New.
1875         * gfortran.dg/graphite/run-id-2.f90: New.
1876
1877 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1878
1879         PR middle-end/42988
1880         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1881         to unknown_dependence.
1882         (graphite_legal_transform_dr): Handle the unknown_dependence.
1883         (graphite_carried_dependence_level_k): Same.
1884
1885 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1888
1889 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1890             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1891
1892         PR middle-end/42637
1893         * graphite-dependences.c (build_lexicographical_constraint): Return
1894         a union of dependence polyhedra.
1895         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1896
1897         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1898         * gcc.dg/graphite/block-4.c: Same.
1899         * gcc.dg/graphite/block-7.c: Same.
1900         * gcc.dg/graphite/interchange-12.c: Same.
1901         * gcc.dg/graphite/interchange-mvt.c: Same.
1902         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1903         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1904         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1905
1906 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1907
1908         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1909         the execution check to FAIL.  This testcase is miscompiled by Graphite
1910         and the check should be re-enabled.
1911         * gcc.dg/graphite/interchange-mvt.c: Same.
1912         * gcc.dg/graphite/block-0.c: Same.
1913         * gcc.dg/graphite/block-4.c: Same.
1914         * gcc.dg/graphite/block-7.c: Same.
1915
1916 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1919         * gcc.dg/graphite/scop-0.c: Fix spaces.
1920         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1921         * gfortran.dg/graphite/block-2.f: Same.
1922         * gfortran.dg/graphite/block-3.f90: Same.
1923         * gfortran.dg/graphite/block-4.f90: Same.
1924         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1925         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1926
1927 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1930         PDDR_ORIGINAL_SCATTERING_P.
1931         (pddr_is_empty): Rewritten.
1932         (print_dependence_polyhedron_layout): New.
1933         (print_pddr): New.
1934         (debug_pddr): New.
1935         (build_alias_set_powerset): Moved up.
1936         (poly_drs_may_alias_p): Moved up.
1937         (lexicographically_gt_p): Removed.
1938         (build_lexicographically_gt_constraint): Renamed
1939         build_lexicographical_constraint, reimplemented.
1940         (dependence_polyhedron_1): Simplified parameters.
1941         (dependence_polyhedron): Same.  Keep along empty PDDRs
1942         to make efficient use of the cache.
1943         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1944         (graphite_legal_transform_dr): Rewritten.
1945         (graphite_legal_transform_bb): Pass fewer arguments to
1946         graphite_legal_transform_dr.
1947         (graphite_carried_dependence_level_k): Simplified implementation.
1948         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1949         (dot_transformed_deps_stmt_1): Same.
1950         (dot_original_deps): Same.
1951         (dot_transformed_deps): Same.
1952         * graphite-dependences.h (struct poly_ddr): Added a new field
1953         original_scattering_p.
1954         (PDDR_ORIGINAL_SCATTERING_P): New.
1955         (print_pddr): Declared.
1956         (debug_pddr): Declared.
1957         * graphite-ppl.c: Clarify comment.
1958         * sese.h (print_gimple_bb): Removed unused declaration.
1959         (debug_gbb): Same.
1960
1961 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         * g++.dg/graphite/graphite.exp: Rewritten.
1964         * gcc.dg/graphite/graphite.exp: Rewritten.
1965         * gfortran.dg/graphite/graphite.exp: Rewritten.
1966         * gcc.dg/graphite/block-0.c: Added runtime test.
1967         * gcc.dg/graphite/block-1.c: Same.
1968         * gcc.dg/graphite/block-3.c: Same.
1969         * gcc.dg/graphite/block-4.c: Same.
1970         * gcc.dg/graphite/block-5.c: Same.
1971         * gcc.dg/graphite/block-6.c: Same.
1972         * gcc.dg/graphite/block-7.c: Same.
1973         * gcc.dg/graphite/interchange-0.c: Same.
1974         * gcc.dg/graphite/interchange-1.c: Same.
1975         * gcc.dg/graphite/interchange-10.c: Same.
1976         * gcc.dg/graphite/interchange-11.c: Same.
1977         * gcc.dg/graphite/interchange-12.c: Same.
1978         * gcc.dg/graphite/interchange-2.c: Same.
1979         * gcc.dg/graphite/interchange-3.c: Same.
1980         * gcc.dg/graphite/interchange-4.c: Same.
1981         * gcc.dg/graphite/interchange-5.c: Same.
1982         * gcc.dg/graphite/interchange-6.c: Same.
1983         * gcc.dg/graphite/interchange-7.c: Same.
1984         * gcc.dg/graphite/interchange-8.c: Same.
1985         * gcc.dg/graphite/interchange-9.c: Same.
1986         * gcc.dg/graphite/interchange-mvt.c: Same.
1987         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1988
1989 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1990
1991         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1992           background.
1993
1994 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1995
1996         * common.opt: Add -fgraphite-cloog-opts.
1997         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1998         * opts.c (decode_options): Same.
1999
2000 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2001
2002         * gcc.dg/graphite/id-17.c: New.
2003         * gcc.dg/graphite/pr41888.c: New.
2004         * gcc.dg/graphite/scop-22.c: New.
2005         * gfortran.dg/graphite/pr40982.f90: New.
2006
2007 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2008
2009         * graphite-dependences.c: Clarify comments.
2010         (build_pddr): Add an extra parameter direction.
2011         (graphite_legal_transform_dr): Use build_pddr.
2012         (dot_original_deps_stmt_1): Update use of build_pddr.
2013         (dot_transformed_deps_stmt_1): Same.
2014         (dot_original_deps): Same.
2015         (dot_transformed_deps): Same.
2016
2017         * gcc.dg/graphite/interchange-12.c: New.
2018         * gcc.dg/graphite/block-7.c: New.
2019
2020 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2021
2022         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
2023         (pddr_transformed_scattering): Removed.
2024         (graphite_legal_transform_dr): Use build_pddr.
2025         (dot_original_deps_stmt_1): Same.
2026         (dot_transformed_deps_stmt_1): Same.
2027         (dot_original_deps): Same.
2028         (dot_transformed_deps): Same.
2029
2030 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2031
2032         * graphite-dependences.c (lexicographically_gt_p): Add comments.
2033         (build_lexicographically_gt_constraint): Same.
2034         (dependence_polyhedron_1): Same.
2035         (dependence_polyhedron): Same.
2036
2037 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
2040         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
2041         (lexicographically_gt_p): Change type of direction to int.
2042         (build_lexicographically_gt_constraint): Same.
2043         (dependence_polyhedron_1): Same.
2044         (dependence_polyhedron): Same.
2045         (pddr_original_scattering): Use integers for direction.
2046         (pddr_transformed_scattering): Same.
2047         (graphite_legal_transform_dr): Same.
2048         (graphite_carried_dependence_level_k): Same.
2049
2050 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * graphite-dependences.c (build_pairwise_constraint): Renamed
2053         ppl_build_relation.  Moved...
2054         (dr_equality_constraints): Use ppl_build_relation.
2055         (build_pairwise_scheduling_equality): Same.
2056         (build_pairwise_scheduling_inequality): Same.
2057         * graphite-ppl.c (ppl_build_relation): ...here.
2058         * graphite-ppl.h (ppl_build_relation): Declared.
2059
2060 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2061
2062         PR middle-end/42681
2063         * graphite-clast-to-gimple.c (gloog_error): New static variable.
2064         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2065         Set gloog_error when such an expression failed to be built.
2066         (translate_clast): Early return when gloog_error is set.
2067         (gloog): Clear gloog_error.  When gloog_error is set, call
2068         set_ifsese_condition to enable the original code.  Return the status
2069         of the code generation based on gloog_error.
2070         * sese.c (set_ifsese_condition): New.
2071         * sese.h (set_ifsese_condition): Declared.
2072
2073         * g++.dg/graphite/pr42681.C: New.
2074
2075 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2076
2077         PR middle-end/42732
2078         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
2079         rename_nb_iterations.
2080         * sese.c (rename_variables_in_operand): New.
2081         (rename_variables_in_expr): New.
2082         (rename_nb_iterations): New.
2083         (sese_adjust_liveout_phis): Update the rename_map.
2084         * sese.h (rename_nb_iterations): Declared.
2085         * tree-scalar-evolution.c (scev_reset_htab): New.
2086         (scev_reset): Call scev_reset_htab.
2087         * tree-scalar-evolution.h (scev_reset_htab): Declared.
2088
2089         * gfortran.dg/graphite/pr42732.f: New.
2090
2091 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         PR middle-end/42393
2094         * graphite-clast-to-gimple.c: Fix formatting.
2095         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2096         (expr_defined_in_loop_p): New.
2097         (add_loop_exit_phis): Also handle full expressions: remove from
2098         the rename_map the expressions defined in the loop that we're closing.
2099
2100         * gfortran.dg/graphite/pr42393-1.f90: New.
2101         * gfortran.dg/graphite/pr42393.f90: Add new flags
2102         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2103         make this testcase useful in the Graphite branch.
2104
2105 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * graphite-scop-detection.c (exclude_component_ref): Removed.
2108         (is_simple_operand): Removed.
2109         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
2110
2111 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         PR middle-end/42221
2114         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2115         the array indexing of ADDR_EXPRs.
2116
2117         * gcc.dg/graphite/pr42221.c: New.
2118
2119 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         PR middle-end/42521
2122         * graphite.c (graphite_finalize): Call scev_reset.
2123         (graphite_transform_loops): Do not call scev_reset between the code
2124         generation of scops.
2125
2126         * gcc.dg/graphite/pr42521.c: New.
2127
2128 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-interchange.c (memory_stride_in_loop): Renamed
2131         pdr_stride_in_loop.
2132         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2133         (memory_strides_in_loop): Memoize the memory strides per loop.
2134         (lst_interchange_profitable_p): Do not initialize to zero the memory
2135         strides.
2136         * graphite-poly.h (struct lst): Add a field memory_strides.
2137         (LST_LOOP_MEMORY_STRIDES): New.
2138         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2139         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2140
2141 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
2144         memory_strides_in_loop.  Gather memory strides on a whole loop.
2145         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
2146         (lst_interchange_profitable_p): Removed.
2147         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
2148
2149 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2150
2151         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2152         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2153         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2154         Remove context_loop and level.
2155
2156 2010-01-07  Richard Guenther  <rguenther@suse.de>
2157
2158         PR tree-optimization/42641
2159         * sese.c (rename_map_elt_info): Use the SSA name version, do
2160         not hash pointers.
2161
2162 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2163
2164         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
2165         blocked" only when both the strip mine and the interchange have
2166         been applied.
2167
2168         * gcc.dg/graphite/block-2.c: Removed.
2169         * gcc.dg/graphite/block-3.c: Add scan pattern.
2170         * gcc.dg/graphite/block-4.c: Same.
2171         * gcc.dg/graphite/block-5.c: Same.
2172         * gcc.dg/graphite/block-6.c: Same.
2173
2174 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2175
2176         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
2177         before allocating a new one.
2178         (copy_renames): Check that slot is not NULL.
2179         (mark_bb_with_pbb): Same.
2180         (compute_cloog_iv_types_1): Same.
2181         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2182         nest, and after LSTs.
2183         (lst_try_interchange_loops): Same.
2184
2185 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2186
2187         PR middle-end/42178
2188         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2189         the before, nest, and after LSTs.
2190         (lst_try_interchange): Removed.
2191         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2192         were modified.
2193         (lst_interchange_select_outer): Apply interchange on the outer loop
2194         until there are no more changes in the inner loops.
2195
2196 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2197
2198         Revert patch fixing PR middle-end/42221.
2199
2200 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         PR middle-end/42180
2203         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2204         GIMPLE_CALL.
2205
2206         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2207
2208 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2209
2210         PR middle-end/42180
2211         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2212         that contain only one statement.
2213
2214         * gfortran.dg/graphite/pr42180.f90: New.
2215
2216 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2217
2218         PR middle-end/42393
2219         * gfortran.dg/graphite/pr42393.f90: New.
2220
2221 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         PR middle-end/42186
2224         * gfortran.dg/graphite/pr42186.f90: New.
2225
2226 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         PR middle-end/42205
2229         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2230         Insert the reduction copy in the same block as the phi node.
2231         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2232
2233         * gcc.dg/graphite/pr42205-1.c: New.
2234         * gcc.dg/graphite/pr42205-2.c: New.
2235
2236 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         PR middle-end/42221
2239         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2240         the array indexing of ADDR_EXPRs.
2241
2242         * gcc.dg/graphite/pr42221.c: New.
2243
2244 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         PR middle-end/42178
2247         PR middle-end/42334
2248         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2249         index.  Call lst_interchange_select_inner only once.
2250         (lst_interchange_select_inner): Update use of lst_try_interchange.
2251         (lst_interchange_select_outer): Update.
2252
2253 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         PR middle-end/42178
2256         PR middle-end/42334
2257         * graphite-interchange.c (lst_try_interchange): Do not increment the
2258         the OUTER index when there is no AFTER kernel.  Do not increment the
2259         OUTER index for after processing the AFTER kernel.
2260         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2261         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2262         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2263         (scop_do_interchange): Update use of lst_interchange_select_outer.
2264
2265         * gfortran.dg/graphite/graphite.exp
2266         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2267         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2268         the graphite dump file.
2269         * gfortran.dg/graphite/interchange-2.f: Same.
2270         * gfortran.dg/graphite/pr42334-1.f: New.
2271
2272 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         PR middle-end/42178
2275         PR middle-end/42334
2276         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2277         that are empty.
2278         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2279         (lst_try_interchange): Reimplemented.
2280         (lst_interchange_select_inner): Same.
2281         (lst_do_interchange): Renamed lst_interchange_select_outer.
2282         Reimplemented.
2283         (scop_do_interchange): Update use of lst_interchange_select_outer.
2284
2285         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2286         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2287         * gcc.dg/graphite/pr42211.c: New.
2288         * gfortran.dg/graphite/pr42334.f90: New.
2289
2290 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         PR middle-end/42181
2293         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2294         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2295
2296         * gfortran.dg/graphite/pr42181.f90: New.
2297
2298 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2299
2300         PR middle-end/42284
2301         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2302         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2303         (detect_commutative_reduction_arg): Simplified.
2304         (detect_commutative_reduction): Early return when the argument of
2305         the close phi is not of an SSA_NAME.
2306
2307         * gcc.dg/graphite/pr42284.c: New.
2308
2309 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2310
2311         * dbgcnt.def (graphite_scop): New counter.
2312         * graphite.c: Include dbgcnt.h
2313         (graphite_transform_loops): Use new counter to limit transformations.
2314
2315 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2316
2317         PR middle-end/42285
2318         * graphite-scop-detection.c (graphite_can_represent_init): Also
2319         handle more complex MULT_EXPRs containing parameters by recursion
2320         on the structure.
2321
2322         * gfortran.dg/graphite/pr42285.f90: New.
2323
2324 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2325
2326         * g++.dg/graphite/pr42130.C: Fix type.
2327
2328 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2329
2330         * g++.dg/graphite/pr42130.C: Correct testcase.
2331
2332 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2333
2334         * Merge from mainline (154493:154734).
2335
2336 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2337
2338         * Merge from mainline (151362:154491).
2339
2340 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2341
2342         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2343         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2344
2345 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2346
2347         PR middle-end/42130
2348         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2349         translate_clast_for_loop): New.
2350         (translate_clast_for): Add a condition around the loop, to do not
2351         execute loops with zero iterations.
2352         * g++.dg/graphite/pr42130.C: New.
2353         * gcc.dg/graphite/pr35356-2.c: Adapt.
2354
2355 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2356
2357         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2358         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2359         Remove context_loop and level.
2360
2361 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2362
2363         * graphite-clast-to-gimple.c (translate_clast_user,
2364         translate_clast_for, translate_clast_guard): Simplify and move common
2365         elements to translate_clast().
2366         (translate_clast): Simplify and get common elements.
2367
2368 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2369
2370         * graphite-clast-to-gimple.c (translate_clast_user,
2371         translate_clast_for, translate_clast_guard): Split out of
2372         translate_clast.
2373
2374 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2375
2376         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2377         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2378         debug_clast_name_indexes_1, debug_clast_name_indexes,
2379         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2380         (clast_name_to_gcc, clast_to_gcc_expression,
2381         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2382         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2383         graphite_create_guard_cond_expr, graphite_create_new_loop,
2384         translate_clast): Add params_index.
2385         (initialize_cloog_names): Create parameter strings from scratch, do
2386         not reference other strings.
2387         (create_params_index): New.
2388         (gloog): Initialize params_index.
2389         * graphite-scop-detection (free_scops_1): Removed.
2390         (limit_scops): Use normal free_scops.
2391         * graphite-sese-to-poly.c (save_var_names): Removed.
2392         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2393         and SESE_PARAMS_INDEX.
2394         * sese.c (new_sese, free_sese): Dito.
2395         * sese.h (struct sese): Remove params_index, params_names.
2396         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2397
2398 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2399
2400         Revert the following patch from 2009-09-14:
2401         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2402         tree-scalar-evolution.h, and then tree-data-ref.h.
2403         * graphite-clast-to-gimple.c: Same.
2404         * graphite-dependences.c: Same.
2405         * graphite-interchange.c: Same.
2406         * graphite-poly.c: Same.
2407         * graphite-scop-detection.c: Same.
2408         * graphite-sese-to-poly.c: Same.
2409         * graphite.c: Same.
2410         * lambda-code.c: Same.
2411         * matrix-reorg.c: Same.
2412         * tree-data-ref.c: Same.
2413         * tree-if-conv.c: Same.
2414         * tree-loop-distribu: Same.: Same.
2415         * tree-loop-linear.c: Same.
2416         * tree-parloops.c: Same.
2417         * tree-predcom.c: Same.
2418         * tree-vect-patterns.c: Same.
2419
2420 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         Revert patch from 2009-09-14.
2423         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2424         passes at -O1 and below.
2425
2426 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2427
2428         PR middle-end/40281
2429         * gcc.dg/graphite/pr40281.c: New.
2430
2431         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2432         evolutions should not variate in inner loops.
2433
2434 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2435
2436         PR middle-end/42050
2437         * gfortran.dg/graphite/pr42050.f90: New.
2438
2439 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2442         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2443
2444 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * graphite-blocking.c (scop_do_block): New.
2447         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2448         * graphite-poly.h (scop_do_block): Declared.
2449
2450 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2451
2452         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2453         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2454         to transform depth into the time_depth before calling
2455         pbb_number_of_iterations_at_time.
2456         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2457         lst_depth.
2458
2459 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         Reverted the patch for "scattering permutations" from 2009-10-28.
2462
2463         * graphite-poly.c (print_permutation): New.
2464         (debug_permutation): New.
2465         (new_poly_bb): Initialize PBB_PERMUTATION.
2466         (free_poly_bb): Free PBB_PERMUTATION.
2467         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2468         (struct pbb_permutation_elt): New.
2469         (PBB_PERMUTATION_ELT_STRIDE): New.
2470         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2471         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2472         (new_pbb_permutation_elt): New.
2473         (pbb_permutation_elt_free): New.
2474         (struct poly_bb): Add field permutation.
2475         (PBB_PERMUTATION): New.
2476         (print_permutation): Declared.
2477         (debug_permutation): Declared.
2478
2479 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2480
2481         * graphite-interchange.c (build_partial_difference): New.
2482         (memory_stride_in_loop): Refactored the computation of
2483         equality constraints into build_partial_difference function.
2484         Added support for debugging stride computations.
2485
2486 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         * graphite-clast-to-gimple.c (gloog): Free if_region,
2489         if_region->true_region, and if_region->region.
2490         * sese.c (if_region_set_false_region): Free if_region->false_region.
2491         (create_if_region_on_edge): Do not use GGC_NEW.
2492         (move_sese_in_condition): Remove useless initialization.
2493
2494 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2495
2496         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2497         for the loops created by the loop distribution.  Do not modify the
2498         input LSTs.
2499         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2500         transformed schedule.  Call lst_update_scattering before data
2501         dependence analysis.
2502         (lst_try_interchange): Pass an extra parameter INDEX.
2503         (lst_do_interchange_1): New.
2504         (lst_do_interchange): Call lst_do_interchange_1.
2505         (scop_do_interchange): Call lst_update_scattering.
2506         * graphite-poly.c (apply_poly_transforms): Do not call
2507         lst_update_scattering.
2508         * graphite-poly.h (lst_pred): New.
2509         (lst_succ): New.
2510         (lst_find_first_pbb): Return NULL when not found.
2511         (lst_empty_p): New.
2512         (lst_insert_in_sequence): Allow LST1 to be NULL.
2513         (lst_replace): New.
2514         (lst_substitute_3): New.
2515         * gcc.dg/graphite/interchange-1.c: XFail.
2516         * gcc.dg/graphite/interchange-8.c: XFail.
2517         * gcc.dg/graphite/interchange-11.c: XFail.
2518
2519 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521         * graphite-interchange.c (lst_perfectly_nested_p): New.
2522         (lst_perfect_nestify): New.
2523         (lst_try_interchange_loops): Call store_lst_schedule,
2524         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2525         (scop_do_interchange): Avoid redundant legality test.
2526         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2527         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2528         * graphite-poly.h (psct_static_dim): New.
2529         (lst_dewey_number_at_depth): New.
2530         (lst_find_pbb): Restructured.
2531         (lst_find_first_pbb): Restructured.
2532         (lst_find_last_pbb): New.
2533         (lst_contains_p): New.
2534         (lst_contains_pbb): New.
2535         (lst_create_nest): New.
2536         (lst_remove_from_sequence): New.
2537         (pbb_update_scattering): New.
2538         (lst_update_scattering_under): New.
2539         (lst_update_scattering_seq): New.
2540         (lst_update_scattering): New.
2541         (lst_insert_in_sequence): New.
2542         (lst_distribute_lst): New.
2543         (lst_remove_all_before_including_pbb): New.
2544         (lst_remove_all_before_excluding_pbb): New.
2545
2546 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2549         get_loop_exit_edges.
2550
2551 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2552
2553         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2554
2555 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2556
2557         * graphite-poly.c (print_permutation): New.
2558         (debug_permutation): New.
2559         (new_poly_bb): Initialize PBB_PERMUTATION.
2560         (free_poly_bb): Free PBB_PERMUTATION.
2561         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2562         (struct pbb_permutation_elt): New.
2563         (PBB_PERMUTATION_ELT_STRIDE): New.
2564         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2565         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2566         (new_pbb_permutation_elt): New.
2567         (pbb_permutation_elt_free): New.
2568         (struct poly_bb): Add field permutation.
2569         (PBB_PERMUTATION): New.
2570         (print_permutation): Declared.
2571         (debug_permutation): Declared.
2572
2573 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * graphite-clast-to-gimple.c (gloog): Do not call
2576         sese_reset_aux_in_loops.
2577         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2578         extra argument for domains.  Do not use loop->aux.
2579         (build_scop_iteration_domain): Initialize and free domains, pass it
2580         to build_loop_iteration_domains and extract the information from
2581         domains.  Do not use loop->aux.
2582         * sese.c (sese_reset_aux_in_loops): Removed.
2583         * sese.h (sese_reset_aux_in_loops): Removed.
2584
2585 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2586
2587         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2588         (dependency_in_loop_p): Same.
2589         (translate_clast): Do not use loop->aux.  Initialize
2590         loop->can_be_parallel.
2591         (mark_loops_parallel): Removed.
2592         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2593         * graphite.c (free_aux_in_new_loops): Removed.
2594         (graphite_finalize): Do not call free_aux_in_new_loops.
2595         (graphite_transform_loops): Do not call mark_loops_parallel.
2596
2597 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2598
2599         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2600         (translate_clast): Pass an extra parameter LEVEL.
2601         Call get_scattering_level.
2602         * graphite-clast-to-gimple.h (get_scattering_level): New.
2603
2604 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2605
2606         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2607         * cfgloop.h (struct loop): New field single_iv.
2608
2609         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2610         loop->aux anymore: use loop->single_iv.
2611         (graphite_loop_normal_form): Moved...
2612         (build_graphite_loop_normal_form): Removed.
2613         (gloog): Do not call build_graphite_loop_normal_form.
2614         (free_aux_in_new_loops): Moved...
2615         (mark_loops_parallel): Restructure.
2616         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2617         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2618         (scop_canonicalize_loops): New.
2619         (build_poly_scop): Call scop_canonicalize_loops.
2620         * graphite.c (free_aux_in_new_loops): ...here.
2621
2622 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2623
2624         * g++.dg/graphite/graphite.exp: Add the same rules as in
2625         gcc.dg/graphite/graphite.exp.
2626
2627 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2628
2629         * g++.dg/graphite/id-1.C: New.
2630
2631 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2632
2633         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2634         argument base_name.
2635         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2636         (rewrite_phi_out_of_ssa): Same.
2637         (rewrite_cross_bb_scalar_deps): Same.
2638         (translate_scalar_reduction_to_array): Same.
2639
2640 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2641
2642         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2643         dump_alias_graphs.
2644
2645 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2648         (build_scop_drs): Call dump_alias_graphs.
2649
2650 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2653         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2654         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2655         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2656         * graphite-poly.h (free_lst): New.
2657         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2658         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2659
2660 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2661
2662         * graphite-poly.h (struct scop): Add a field saved_schedule.
2663         (SCOP_SAVED_SCHEDULE): New.
2664         (store_lst_schedule): New.
2665         (restore_lst_schedule): New.
2666         (store_scattering): Call store_lst_schedule.
2667         (restore_scattering): Call restore_lst_schedule.
2668
2669 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2670
2671         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2672         (pdr_add_alias_set): Same.
2673         (build_poly_dr): Same.
2674         (build_alias_set_optimal_p): Same.
2675         (build_base_obj_set_for_drs): Same.  Do not store the result of
2676         graphds_dfs.
2677
2678 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2681         all_components_are_cliques to 1.
2682
2683 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2684
2685         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2686         the new structure.
2687         (pdr_add_alias_set): Update retrieving alias_set_num.
2688         (build_poly_dr): Update retrieving dr_base_object_set.
2689         (partition_drs_to_sets): Remove.
2690         (build_alias_set_optimal_p): New.
2691         (build_alias_set_for_drs): Rename.
2692         (build_scop_drs): Update.
2693         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2694         (ALIAS_SET_INDEX): Remove.
2695         (BASE_OBJECT_SET_INDEX): Remove.
2696
2697 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2700
2701 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2704         loop upper bounds for 1-element arrays at end of structures.
2705         * tree-flow.h (array_at_struct_end_p): Declared.
2706         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2707
2708 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2709
2710         * g++.dg/graphite/pr41305.C: New.
2711
2712 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2713
2714         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2715         construction of parameter constraints from loop iteration analysis.
2716         * gcc.dg/graphite/run-id-2.c: New test.
2717
2718 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2719
2720         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2721         and new_cstr.
2722
2723 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2724
2725         * graphite-dependences.c (dependence_polyhedron_1): Remove
2726         unused gdim dimensions from the DDR polyhedron.
2727
2728 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * graphite-dependences.c (pddr_transformed_scattering): New.
2731         (dot_original_deps_stmt_1): New.
2732         (dot_transformed_deps_stmt_1): New.
2733         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2734         dot_transformed_deps_stmt_1.
2735         (dot_original_deps): New.
2736         (dot_transformed_deps): New.
2737         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2738
2739 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         * graphite-dependences.c (reduction_dr_1): Remove wrong
2742         assert: reduction BBs can have multiple reduction writes
2743         to memory.  interchange-3.f90 is an example.
2744
2745 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2746
2747         * gfortran.dg/graphite/interchange-3.f90: New.
2748
2749 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2750
2751         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2752
2753 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         * graphite-dependences.c (dependence_polyhedron_1): Add the
2756         context to the dependence polyhedron.
2757
2758 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2761         PBB_PDR_DUPLICATES_REMOVED.
2762         (new_poly_bb): Same.
2763
2764 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2767         SCOP_CONTEXT.
2768         (build_loop_iteration_domains): Extract bounds on parameters
2769         based on the data size.
2770         (build_scop_context): Do not initialize SCOP_CONTEXT;
2771         add new constraints.
2772
2773 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2774
2775         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2776         * graphite-ppl.h (graphite-ppl.h): Declared.
2777
2778 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2779
2780         * graphite-ppl.c (ppl_print_linear_expr): New.
2781         (debug_ppl_linear_expr): New.
2782         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2783         (debug_ppl_linear_expr): Declared.
2784
2785 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2786
2787         * graphite-interchange.c: Fix comments.
2788         * gcc.dg/graphite/block-1.c: Fix comments.
2789
2790 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2793         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2794
2795 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2796
2797         Reapply the patch from Alexander Monakov that disappeared during
2798         the last merges from trunk.
2799
2800         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2801
2802         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2803         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2804
2805 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * graphite-interchange.c (memory_stride_in_loop): The depth
2808         argument corresponds to a dynamic time dimension, so use
2809         psct_dynamic_dim to refer to the transformed scattering dimension.
2810
2811 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2814
2815 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2818         root of the LST.
2819         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2820         the root of the LST.
2821         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2822         fake loop.
2823         (print_lst): Print the root of LST in a different format.
2824         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2825
2826 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2827
2828         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2829
2830 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2831
2832         * doc/passes.texi: Document the Graphite infrastructure.
2833
2834 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2835
2836         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2837         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2838         and check the SSA representation.
2839
2840         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2841
2842 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2843
2844         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2845
2846 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2847
2848         * gcc.dg/graphite/interchange-11.c: New.
2849
2850 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2851
2852         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2853
2854 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2857         Add -fno-loop-strip-mine and -fno-loop-interchange.
2858         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2859         -fno-loop-strip-mine.
2860         * gfortran.dg/graphite/graphite.exp: Same.
2861
2862 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2863
2864         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2865         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2866         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2867         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2868         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2869         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2870         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2871         DEFAULT_FLAGS_GRAPHITE_SCOP.
2872         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2873         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2874
2875 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2876
2877         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2878
2879 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2880             Sebastian Pop  <sebastian.pop@amd.com>
2881
2882         * graphite-interchange.c (build_linearized_memory_access): Pass an
2883         offset as parameter.
2884         (memory_stride_in_loop): Include transform scattering in the
2885         access functions to be able to querry the strides in the
2886         transformed loops.
2887         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2888         not the psct_iterator_dim.
2889
2890 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2891
2892         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2893         (lst_do_strip_mine_loop): New.
2894         (lst_do_strip_mine): New.
2895         (scop_do_strip_mine): Call lst_do_strip_mine.
2896         * graphite-poly.h (lst_add_loop_under_loop): New.
2897         (lst_find_first_pbb): New.
2898
2899 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         * graphite-poly.c (loop_to_lst): Fix LST creation.
2902
2903 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2904
2905         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2906         sizeof(unsigned long) to make it run on 32bit systems.
2907
2908 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2909
2910         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2911         SEGFAULT on 32bit.
2912
2913 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2914
2915         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2916         Comment.
2917         (write_alias_graph_to_ascii_dot): New.
2918         (write_alias_graph_to_ascii_ecc): Ditto.
2919         (partition_drs_to_sets): Add testing of optimality of current method
2920         which assigns alias numbers according to DFS Comopnent number.  used
2921         as heuristic for the upcoming ECC algorithm.
2922         (build_scop_drs): Write to file also with the ecc and dot format.
2923
2924 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2925
2926         * gfortran.dg/graphite/interchange-1.f: XFail.
2927
2928 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * graphite.c (graphite_initialize): Do not handle functions with
2931         more than 100 basic blocks.
2932
2933 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * graphite-blocking.c (pbb_do_strip_mine): Use
2936         PARAM_LOOP_BLOCK_TILE_SIZE.
2937
2938 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2939
2940         * graphite-poly.c (dot_lst_1): New.
2941         (dot_lst): New.
2942         * graphite-poly.h (dot_lst): Declared.
2943
2944 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2945
2946         * graphite-dependences.c (dot_deps_stmt_1): New.
2947         (dot_deps_stmt): New.
2948         * graphite-dependences.h (dot_deps_stmt): Declared.
2949
2950 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2951
2952         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2953         not replace cross BB scalar dependences ending on PHI nodes.
2954         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2955
2956 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2957
2958         * graphite-poly.c (apply_poly_transforms): Implement the high
2959         level driver for flag_loop_block.
2960         * opts.c (decode_options): Enable flag_loop_block at -O2.
2961         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2962         flag_loop_block.
2963
2964         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2965         -floop-block.
2966         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2967         Add -floop-block.
2968
2969 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2970
2971         * graphite-poly.h (lst_find_pbb): New.
2972         (find_lst_loop): New.
2973
2974 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2975
2976         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2977         * graphite-poly.h (struct scop): Remove dep_graph field.
2978         (SCOP_DEP_GRAPH): Removed.
2979
2980 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         * graphite-poly.h (copy_lst): Do full copy of LST.
2983
2984 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2987         when the loop stride is zero.
2988
2989         * gcc.dg/graphite/id-16.c: New.
2990
2991 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         * graphite-dependences.c (reduction_dr_1): New.
2994         (reduction_dr_p): New.
2995         (graphite_legal_transform_dr): Call reduction_dr_p.
2996         (reduction_ddr): Renamed reduction_ddr_p.
2997         * graphite-poly.h (same_pdr_p): New.
2998         (number_of_write_pdrs): New.
2999         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
3000         (split_reduction_stmt): Do not split reduction statements
3001         when there are no writes to memory.
3002         (translate_scalar_reduction_to_array_for_stmt): Insert the
3003         memory reduction statement just after the scalar reduction statement.
3004
3005         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
3006         Un-XFAIL-ed.
3007         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
3008         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
3009
3010 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3011
3012         * graphite-interchange.c (lst_apply_interchange): New.
3013         (lst_interchange_profitable_p): New.
3014         (lst_try_interchange_loops): New.
3015         (lst_try_interchange): New.
3016         (lst_do_interchange): New.
3017         (pbb_do_interchange): Removed.
3018         (scop_do_interchange): Call lst_do_interchange.
3019
3020 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
3023         SCOP_TRANSFORMED_SCHEDULE.
3024         (loop_to_lst): New.
3025         (scop_to_lst): New.
3026         (print_lst): New.
3027         (debug_lst): New.
3028         * graphite-poly.h (lst_p): New.
3029         (struct lst): New.
3030         (LST_LOOP_P): New.
3031         (LST_LOOP_FATHER): New.
3032         (LST_PBB): New.
3033         (LST_SEQ): New.
3034         (scop_to_lst): Declared.
3035         (print_lst): Declared.
3036         (debug_lst): Declared.
3037         (new_lst_loop): New.
3038         (new_lst_stmt): New.
3039         (copy_lst): New.
3040         (lst_depth): New.
3041         (lst_dewey_number): New.
3042         (struct scop): Add original_schedule and transformed_schedule fields.
3043         (SCOP_ORIGINAL_SCHEDULE): New.
3044         (SCOP_TRANSFORMED_SCHEDULE): New.
3045         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
3046
3047 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3048
3049         * graphite-dependences.c (reduction_ddr): New.
3050         (graphite_legal_transform_bb): Call reduction_ddr.
3051         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
3052         Initialize PBB_IS_REDUCTION.
3053         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
3054         (PBB_IS_REDUCTION): New.
3055         (new_poly_bb): Update declaration.
3056         * graphite-scop-detection.h (build_scop_bbs): Removed.
3057         (nb_reductions_in_loop): Removed.
3058         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
3059         parameter for reductions.
3060         (try_generate_gimple_bb): Update call to new_poly_bb.
3061         (build_scop_bbs_1): Same.
3062         (build_scop_bbs): Same.
3063         (gsi_for_phi_node): New.
3064         (scalar_close_phi_node_p): Remove gcc_assert.
3065         (split_reduction_stmt): New.
3066         (is_reduction_operation_p): New.
3067         (phi_contains_arg): New.
3068         (follow_ssa_with_commutative_ops): New.
3069         (detect_commutative_reduction_arg): New.
3070         (detect_commutative_reduction_assign): New.
3071         (follow_inital_value_to_phi): New.
3072         (edge_initial_value_for_loop_phi): New.
3073         (initial_value_for_loop_phi): New.
3074         (detect_commutative_reduction): New.
3075         (translate_scalar_reduction_to_array_for_stmt): New.
3076         (insert_copyout): New.
3077         (insert_copyin): New.
3078         (translate_scalar_reduction_to_array): New.
3079         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
3080         (rewrite_commutative_reductions_out_of_ssa_loop): New.
3081         (rewrite_commutative_reductions_out_of_ssa): New.
3082         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
3083         * sese.h (split_region_for_bb): New.
3084
3085         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
3086         * gcc.dg/graphite/interchange-1.c: Fix format.
3087         * gcc.dg/graphite/interchange-10.c: New.
3088
3089 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3090
3091         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
3092         buggy assert.
3093
3094 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3095
3096         * graphite-sese-to-poly.c (scev_analyzable_p): New.
3097         (rewrite_cross_bb_scalar_dependence): New.
3098         (rewrite_cross_bb_scalar_deps): New.
3099         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
3100         Call rewrite_cross_bb_scalar_deps.
3101
3102 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
3105         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
3106         gsi_for_stmt.
3107
3108 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3109
3110         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
3111         * graphite-interchange.c (pbb_do_interchange): Same.
3112         * graphite-poly.c (print_scattering_function): Same.
3113         (debug_pdrs): Same.
3114         * graphite-poly.h (pbb_loop): New.
3115         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
3116
3117 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
3120
3121 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
3124         so don't pass a pointer to it.
3125         (build_alias_set_for_drs): Same.
3126         (build_base_obj_set_for_drs): Same.
3127         (build_scop_drs): Same.
3128
3129 2009-09-26  Li Feng  <nemokingdom@gmail.com>
3130
3131         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
3132         the alias graph of data references.
3133
3134 2009-09-25  Li Feng  <nemokingdom@gmail.com>
3135
3136         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
3137         (build_scop_drs): When debugging, write the alias graph to file,
3138         otherwise, should be disabled.
3139
3140 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * Merge from mainline (151310:151361).
3143
3144 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3145
3146         * Merge from mainline (151171:151310).
3147
3148 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * Merge from mainline (151171:151806).
3151
3152 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3153
3154         * Revert the last commit.
3155
3156 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3157
3158         * Merge from mainline (151171:151819).
3159
3160 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
3163         (is_simple_operand): Remove call to stmt_simple_memref_p.
3164         (stmt_simple_for_scop_p): Update call to is_simple_operand.
3165
3166 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
3167
3168         * gcc.dg/graphite/interchange-mvt.c: New File.
3169         * gcc.dg/graphite/scop-dsyrk.c: New File.
3170         * gcc.dg/graphite/scop-dsyr2k.c: New File.
3171         * gcc.dg/graphite/scop-mvt.c: New File.
3172         * gcc.dg/graphite/scop-sor.c: New File.
3173
3174 2009-09-17 Li Feng  <nemokingdom@gmail.com>
3175
3176         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
3177         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
3178         (graphite_carried_dependence_level_k): Ditto.
3179         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3180         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3181         (new_poly_dr): Adjust declaration.
3182         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3183         (free_gimple_bb): Added free_data_refs_aux.
3184         (build_poly_dr): Add dr_base_object_set.
3185         (partition_drs_to_sets): New.
3186         (dr_same_base_object_p): New.
3187         (build_alias_set_for_drs): New.
3188         (build_base_object_set_for_drs): New.
3189         (build_scop_drs): Add build_base_obj_set_for_drs.
3190         * graphite-sese-to-poly.h: Added #define for alias set number index and
3191         base object set index.
3192         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3193         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3194
3195 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3196
3197         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3198         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3199
3200 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * graphite-sese-to-poly.c (struct irp_data): Removed.
3203         (idx_record_params): Removed.
3204         (find_params_in_bb): Scan for parameters the access functions; don't
3205         parse the tree representation.
3206
3207 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3208
3209         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3210         passes at -O1 and below.
3211
3212 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3215         tree-scalar-evolution.h, and then tree-data-ref.h.
3216         * graphite-clast-to-gimple.c: Same.
3217         * graphite-dependences.c: Same.
3218         * graphite-interchange.c: Same.
3219         * graphite-poly.c: Same.
3220         * graphite-scop-detection.c: Same.
3221         * graphite-sese-to-poly.c: Same.
3222         * graphite.c: Same.
3223         * lambda-code.c: Same.
3224         * matrix-reorg.c: Same.
3225         * tree-data-ref.c: Same.
3226         * tree-if-conv.c: Same.
3227         * tree-loop-distribu: Same.: Same.
3228         * tree-loop-linear.c: Same.
3229         * tree-parloops.c: Same.
3230         * tree-predcom.c: Same.
3231         * tree-vect-patterns.c: Same.
3232
3233 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3234
3235         Partially revert the previous patch, except the following.
3236         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3237         as parameters the operands of the not expression.
3238
3239 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3242         Do not call analyze_scalar_evolution on assignments.
3243         (instantiate_scev_phi): Call analyze_scalar_evolution.
3244         (instantiate_scev_name): Call instantiate_scev_assign and
3245         instantiate_scev_phi.
3246         (instantiate_scev_not): Adapted to pass as parameters the operands
3247         of the not expression.
3248
3249 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3252         to pass as parameters the operands of the binary expression.
3253
3254 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3257         instantiate_scev_not.  Handle NEGATE_EXPR.
3258         (instantiate_scev_r): Handle NEGATE_EXPR.
3259
3260 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3263         instantiate_scev_r.
3264         (instantiate_scev_r): Move code in instantiate_scev_2
3265         and instantiate_scev_1.
3266
3267 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         * tree-scalar-evolution.c (instantiate_scev_3): New.
3270         (instantiate_scev_1): Move code in instantiate_scev_3.
3271
3272 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3273
3274         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3275         (instantiate_scev_1): Move code in instantiate_scev_poly.
3276
3277 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3280         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3281
3282 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3285         (instantiate_scev_1): Move code in instantiate_scev_convert.
3286
3287 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3290         (instantiate_scev_1): Move code in instantiate_scev_binary.
3291
3292 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * tree-scalar-evolution.c (instantiate_scev_name): New.
3295         (instantiate_scev_1): Move code in instantiate_scev_name.
3296
3297 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * Merge from mainline (150992:151171).
3300
3301 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3304
3305 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3306
3307         * graphite-dependences.c (graphite_legal_transform_bb): Call
3308         pbb_remove_duplicate_pdrs.
3309         * graphite-poly.c (can_collapse_pdr): Removed.
3310         (pdr_find_duplicate): Removed.
3311         (can_collapse_pdrs): New.
3312         (pbb_remove_duplicate_pdrs): New.
3313         (new_poly_dr): Do not look for duplicates.
3314         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3315         (PBB_PDR_DUPLICATES_REMOVED): New.
3316         (pbb_remove_duplicate_pdrs): Declared.
3317
3318 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3321         the strides by multiplying by PDR_NB_REFS.
3322         * graphite-poly.c (can_collapse_pdr): New.
3323         (pdr_find_duplicate): New.
3324         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3325         Initialize PDR_NB_REFS.
3326         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3327         (PDR_NB_REFS): New.
3328         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3329
3330 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3331
3332         Revert one of the previous commits:
3333         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3334         the computation of symmetric data dependence relations.
3335         (dependency_between_pbbs_p): Same.
3336
3337 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         PR middle-end/40965
3340         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3341         any transform.
3342
3343 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3344
3345         * graphite-dependences.c (pddr_original_scattering): Return NULL
3346         for read-read dependence relations.
3347         * graphite-poly.h (enum poly_dr_type): Fix comment.
3348         (pdr_read_p): New.
3349         (pdr_write_p): New.
3350         (pdr_may_write_p): New.
3351
3352 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3353
3354         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3355         (struct poly_dr): Same.
3356         (new_poly_dr): Same.
3357         * graphite-poly.c (new_poly_dr): Same.
3358
3359 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3360             Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3363         pbb_strip_mine_time_depth.  Changed the implementation so that
3364         transformation is expressed as a transformation on
3365         time (scatttering) dimensions.  Also, ensures that the 2d+1
3366         scheduling format is preserved.
3367         (pbb_strip_mine_profitable_p): Profitability is based on the
3368         iteration number of a given time (scattering) dimension,
3369         and not on a original loop depth dimension.
3370         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3371         (pbb_do_strip_mine): Call psct_dynamic_dim.
3372         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3373         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3374         (pbb_nb_dynamic_scattering_transform): New.
3375         (psct_dynamic_dim): New.
3376
3377 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3378
3379         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3380         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3381         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3382         * graphite-interchange.c (build_linearized_memory_access): Same.
3383         (memory_stride_in_loop): Same.
3384
3385 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         * graphite-dependences.c (pddr_original_scattering): New.
3388         (graphite_legal_transform_dr): Call pddr_original_scattering.
3389         (dot_deps_1): New.
3390         (dot_deps): New.
3391         * graphite-dependences.h (dot_deps): Declared.
3392         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3393         (print_pdr): Print PDR_ID.
3394         * graphite-poly.h (struct poly_dr): Add field id.
3395         (PDR_ID): New.
3396         (pbb_index): New.
3397         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3398
3399 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3400
3401         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3402         not delete the original dependence relation.
3403
3404 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3405
3406         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3407         the computation of symmetric data dependence relations.
3408         (dependency_between_pbbs_p): Same.
3409
3410 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3413         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3414         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3415         (free_poly_ddr): New.
3416         (pddr_is_empty): New.
3417         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3418         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3419         Remove fprintfs.
3420         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3421         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3422         * graphite-dependences.h (enum poly_dependence_kind): New.
3423         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3424         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3425         (PDRP_SINK): Renamed PDDR_SINK.
3426         (PDRP_DDP): Renamed PDDR_DDP.
3427         (PDDR_KIND): New.
3428         (free_poly_ddr): Declared.
3429         * graphite-poly.c (new_scop): Use the new hash function names.
3430         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3431         into original_pddrs.
3432         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3433
3434 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3435
3436         * Merge from mainline (150764:150992).
3437
3438 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3439
3440         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3441         bounds with LT_EXPR to make niter analysis more precise on code
3442         generated by Graphite.
3443
3444 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3445
3446         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3447         (graphite_legal_transform_bb): Same.
3448         (poly_drs_may_alias_p): Same.
3449
3450 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3451
3452         PR middle-end/40981
3453         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3454         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3455
3456 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3457
3458         * graphite-poly.c (print_pbb): Print PBB index.
3459
3460 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3461
3462         * Merge from mainline (r150672:150764).
3463
3464 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         * graphite-interchange.c (ppl_max_for_le): Moved...
3467         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3468         * graphite-ppl.c (ppl_max_for_le): ... here.
3469         * graphite-ppl.h (ppl_max_for_le): Declared.
3470
3471 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * Merge from mainline (r150372:150672).
3474
3475 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3476
3477         PR middle-end/40980
3478         * sese.c (convert_for_phi_arg): New.
3479         (add_guard_exit_phis): Use convert_for_phi_arg.
3480
3481         * gfortran.dg/graphite/id-17.f: New.
3482
3483 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3486         unknown subscript upper bounds.
3487
3488         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3489
3490 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3491             Pranav Garg  <pranav.garg2107@gmail.com>
3492
3493         * graphite-interchange.c (gather_access_strides): Removed.
3494         (ppl_max_for_le): New.
3495         (build_linearized_memory_access): New.
3496         (memory_stride_in_loop): New.
3497         (pbb_interchange_profitable_p): Reimplemented.
3498         * graphite-ppl.h (ppl_new_id_map): New.
3499         (ppl_interchange): New.
3500
3501         * gcc.dg/graphite/interchange-6.c: XFAILed.
3502
3503 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * graphite-interchange.c (compute_subscript): Removed.
3506         (compute_array_size_cstr): Removed.
3507         (compute_array_size_poly): Removed.
3508         (compute_array_size): Removed.
3509         (gather_access_strides_poly): Removed.
3510         (gather_access_strides): Empty.
3511
3512 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3513
3514         * graphite-dependences.c (dependence_polyhedron_1): Replace
3515         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3516         (graphite_legal_transform_dr): Same.
3517         (graphite_carried_dependence_level_k): Same.
3518         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3519         Initialize PDR_NB_SUBSCRIPTS.
3520         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3521         PDR_NB_SUBSCRIPTS.
3522         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3523         (PDR_NB_SUBSCRIPTS): New.
3524         (pdr_nb_subscripts): Removed.
3525         (pdr_dim): Simplified.
3526         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3527         with PDR_NB_SUBSCRIPTS.
3528
3529 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3530
3531         * graphite-interchange.c (compute_array_size): Remove use of
3532         PDR_DATA_CONTAINER.
3533         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3534         Do not initialize PDR_DATA_CONTAINER.
3535         (print_pdr): Do not print PDR_DATA_CONTAINER.
3536         * graphite-poly.h (struct poly_dr): Remove data_container field.
3537         (PDR_DATA_CONTAINER): Removed.
3538         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3539         PDR_DATA_CONTAINER.
3540         (build_poly_dr): Same.
3541
3542 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * gcc.dg/graphite/interchange-9.c: New.
3545
3546 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3547             Sebastian Pop  <sebastian.pop@amd.com>
3548
3549         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3550         copy of the dependence polyhedron.  Free the temporary objects.
3551         (graphite_carried_dependence_level_k): Free unused objects before
3552         returning.
3553
3554         * gcc.dg/graphite/interchange-1.c: XFAILed.
3555         * gcc.dg/graphite/interchange-2.c: XFAILed.
3556         * gcc.dg/graphite/interchange-3.c: XFAILed.
3557         * gcc.dg/graphite/interchange-4.c: XFAILed.
3558         * gcc.dg/graphite/interchange-7.c: XFAILed.
3559
3560 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3561
3562         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3563         Early return without analyzing the data dependences if no
3564         transform has been done.  Call restore_scattering if the transform
3565         is not legal.
3566         (graphite-interchange.c): Same.
3567         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3568         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3569         (apply_poly_transforms): Do not gcc_assert that
3570         the transform is legal.
3571         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3572         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3573         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3574         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3575         * graphite-poly.h (struct poly_scattering): New.
3576         (struct poly_bb): Add original, transformed, and saved fields.
3577         Remove transformed_scattering, original_scattering, nb_local_variables,
3578         and nb_scattering_transform fields.
3579         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3580         (poly_scattering_new): New.
3581         (poly_scattering_free): New.
3582         (poly_scattering_copy): New.
3583         (store_scattering_pbb): New.
3584         (store_scattering): New.
3585         (restore_scattering_pbb): New.
3586         (restore_scattering): New.
3587         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3588         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3589
3590 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3591
3592         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3593         (print_scop): Same.
3594
3595 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * Makefile.in (graphite.o): Depends on PREDICT_H.
3598         * graphite.c: Include predict.h.
3599         (graphite_finalize): Call tree_estimate_probability.
3600         * predict.c (predict_loops): Do not call scev_initialize and
3601         scev_finalize.
3602         (tree_estimate_probability_bb): New.
3603         (tree_estimate_probability): Do not initialize loops: move that
3604         code to the driver.  Call tree_estimate_probability_bb.
3605         (tree_estimate_probability_driver): New.
3606         (pass_profile): Use tree_estimate_probability_driver.
3607         * predict.h (tree_estimate_probability): Declared.
3608
3609 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3610
3611         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3612         * graphite-dependences.c (graphite_legal_transform): Add time to
3613         TV_GRAPHITE_DATA_DEPS.
3614         (dependency_between_pbbs_p): Same.
3615         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3616
3617 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3618
3619         * Merge from mainline (r149952:150372).
3620
3621 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3624         * graphite-blocking.c: Same.
3625         * graphite-clast-to-gimple.c: Same.
3626         * graphite-dependences.c: Same.
3627         * graphite-poly.c: Same.
3628         * graphite-poly.h: Same.
3629         * graphite-ppl.c: Same.
3630         * graphite-scop-detection.c: Same.
3631         * graphite-sese-to-poly.c: Same.
3632         * graphite.c: Same.
3633
3634 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3635
3636         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3637         (remove_simple_copy_phi): New.
3638         (remove_invariant_phi): New.
3639         (simple_copy_phi_p): New.
3640         (reduction_phi_p): New.
3641         (gsi_for_ssa_name_def): New.
3642         (insert_out_of_ssa_copy): New.
3643         (insert_out_of_ssa_copy_on_edge): New.
3644         (create_zero_dim_array): New.
3645         (scalar_close_phi_node_p): New.
3646         (rewrite_close_phi_out_of_ssa): New.
3647         (rewrite_phi_out_of_ssa): New.
3648         (rewrite_reductions_out_of_ssa): New.
3649         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3650
3651         * gcc.dg/graphite/id-11.c: New.
3652         * gcc.dg/graphite/id-15.c: New.
3653         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3654         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3655         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3656         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3657         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3658         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3659         * gfortran.dg/graphite/id-13.f: New.
3660         * gfortran.dg/graphite/id-5.f: New.
3661
3662 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3663
3664         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3665         check that nb_reductions_in_loop is zero.
3666         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3667         reduction phi nodes.
3668         (nb_reductions_in_loop): Removed.
3669         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3670         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3671         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3672         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3673         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3674
3675 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3678         statements that have an empty iteration domain.
3679         * gfortran.dg/graphite/id-16.f: New.
3680
3681 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3682
3683         * tree-scalar-evolution.c (instantiate_scev_1): Return
3684         chrec_dont_know when the result is not above instantiate_below.
3685         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3686         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3687         the tree has a known scalar evolution.
3688         * gfortran.dg/graphite/id-14.f: New.
3689         * gfortran.dg/graphite/id-15.f: New.
3690
3691 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3692
3693         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3694         insert_gsi.
3695         (rename_variables): Keep inserting renames after the ones already
3696         inserted.
3697
3698 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3699
3700         * graphite-sese-to-poly.c (compare_bb_depths): New.
3701         (graphite_sort_dominated_info): New.
3702         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3703         (build_scop_scattering): Fix comment.
3704
3705 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3706
3707         * graphite.c (graphite_finalize): Call print_loops instead of
3708         dump_function_to_file.
3709         * gcc.dg/graphite/graphite.exp: Fix formatting.
3710         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3711         loops generated in the graphite output file.
3712         * gcc.dg/graphite/pr35356-2.c: New.
3713         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3714         * gfortran.dg/graphite/id-12.f: New.
3715
3716 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3717
3718         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3719         Remove 2 XFAIL.
3720
3721 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3722             Tobias Grosser  <grosser@fim.uni-passau.de>
3723
3724         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3725         alias set number build alias in ACCESSES polyhedron.
3726         (build_alias_set_for_drs): New.
3727         (build_pbb_drs): Added build_alias_set_for_drs.
3728         * graphite-dependences.c (poly_drs_may_alias_p): New.
3729         (graphite_carried_dependence_level_k): Check alias information
3730         before building polyhedron.
3731
3732 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3733
3734         * Makefile.in (lambda-code.o): Fix formatting.
3735
3736 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3737
3738         * Merge from mainline (r149350-149952)
3739
3740 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3741
3742         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3743         before interchange to prepare for loop blocking.
3744
3745 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3746
3747         * graphite-poly.c (apply_poly_transforms): Add checks after every
3748         transformation.
3749         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3750         done in apply_poly_transforms.
3751
3752 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3753
3754         * graphite-dependences.c (build_lexicographically_gt_constraint):
3755         Replace RES parameter with *RES.
3756         (dependence_polyhedron_1): Pass an address of the parameter RES
3757         instead of value of RES.
3758
3759 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3760
3761         * graphite.c (graphite_finalize): Fix comment.
3762         (graphite_transform_loops): Reset scev info after code generation
3763         of each scop.
3764
3765 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3766
3767         * graphite.c (graphite_finalize): Call scev_reset.
3768
3769 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3770
3771         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3772         GBB_CLOOG_IV_TYPES hash table twice.
3773         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3774         (add_condition_to_domain): Clear GMP values.
3775
3776 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * graphite-dependences.c: Fix formatting.
3779         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3780         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3781         * graphite-sese-to-poly.c: Fix formatting.
3782         * graphite.c (graphite_transform_loops): Create the hash table
3783         after the early return.
3784
3785 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3786
3787         * gcc.dg/graphite/id-14.c: New.
3788         * gcc.dg/graphite/pr40157.c: New.
3789         * gfortran.dg/graphite/id-11.f: New.
3790
3791 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3792
3793         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3794         (build_poly_scop): Return false when there are no pbbs within
3795         loops to avoid to pass to cloog scops with no loops.
3796
3797 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3798
3799         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3800         useless test "i % 2".
3801         (build_pbb_scattering_polyhedrons): Fix formatting.
3802         (build_poly_dr): Same.
3803         * graphite.c (graphite_transform_loops): Restructure.
3804
3805 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3806
3807         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3808         reduction_list parameter.
3809         (rewrite_all_phi_nodes_with_iv): Same.
3810         (canonicalize_loop_ivs): Same.
3811         * tree-parloops.c (struct brli): Removed.
3812         (build_reduction_list_info): Removed.
3813         (build_new_reduction): New.
3814         (analyze_reduction_list): Removed.
3815         (gather_scalar_reductions): Find reductions instead of phi
3816         nodes that can't be canonicalized.
3817         (try_create_reduction_list): Remove reduction_list parameter.
3818         (gen_parallel_loop): Same.
3819         (parallelize_loops): Remove analyze_reductions variable,
3820         initialization and free.
3821         Change reduction_list htab initialization to reduction_info
3822         elements instead of ssa names.
3823         Call try_create_reduction_list and gen_parallel_loop without
3824         analyzed_reduction argument.
3825         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3826         canonicalize_loop_ivs with one less argument.
3827         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3828
3829 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3830
3831         * graphite-dependences.c (new_poly_dr_pair): New.
3832         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3833         (new_poly_dr_pair): New.
3834         (eq_poly_dr_pair_p): New.
3835         (hash_poly_dr_pair_p): New.
3836         * graphite-dependences.h (struct poly_dr_pair): New.
3837         (eq_poly_dr_pair_p): Declared.
3838         (hash_poly_dr_pair_p): Declared.
3839         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3840         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3841         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3842         * Makefile.in (graphite-poly.o): Add dependence on
3843         graphite-dependences.h.
3844
3845 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3846
3847         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3848         polynomials of degree > 1 pass to Graphite.
3849         * tree-chrec.c (scev_is_linear_expression): Call
3850         evolution_function_is_affine_multivariate_p.
3851         * gfortran.dg/graphite/id-10.f90: New.
3852
3853 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3856         Instantiate scevs varying in outer loops.
3857         * gfortran.dg/graphite/id-9.f: Correct testcase.
3858
3859 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3862         redundant constraint.
3863
3864 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3865
3866         * gcc.dg/graphite/graphite.exp: Fix comments.
3867         * gfortran.dg/graphite/graphite.exp: Trigger actions
3868         based on the file names as in the C testsuite.
3869         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3870         * gfortran.dg/graphite/block-2.f: Same.
3871         * gfortran.dg/graphite/block-3.f90: Same.
3872         * gfortran.dg/graphite/block-4.f90: Same.
3873         * gfortran.dg/graphite/id-1.f90: Same.
3874         * gfortran.dg/graphite/id-2.f90: Same.
3875         * gfortran.dg/graphite/id-3.f90: Same.
3876         * gfortran.dg/graphite/id-4.f90: Same.
3877         * gfortran.dg/graphite/id-6.f: Same.
3878         * gfortran.dg/graphite/id-9.f: Same.
3879         * gfortran.dg/graphite/interchange-1.f: Same.
3880         * gfortran.dg/graphite/interchange-2.f: Same.
3881         * gfortran.dg/graphite/scop-1.f: Same.
3882
3883 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * sese.c (expand_scalar_variables_call): New.
3886         (expand_scalar_variables_ssa_name): Handle calls in expander.
3887
3888 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3889
3890         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3891         Expect to see the pattern twice.
3892         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3893         * gcc.dg/graphite/interchange-5.c: Same.
3894         * gcc.dg/graphite/interchange-6.c: Same.
3895
3896 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3897
3898         * gcc.dg/graphite/id-10.c: New.
3899         * gcc.dg/graphite/id-12.c: New.
3900         * gfortran.dg/graphite/id-7.f: New.
3901         * gfortran.dg/graphite/id-8.f: New.
3902
3903 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3904
3905         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3906         zero.
3907
3908 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3911
3912 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3915
3916 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3917
3918         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3919         building PDR subscripts.
3920
3921 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3922
3923         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3924         computation of array sizes.
3925
3926 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3927
3928         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3929
3930 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3931
3932         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3933         build_pairwise_constraint, dr_equality_constraints,
3934         build_pairwise_scheduling_equality,
3935         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3936         build_lexicographically_gt_constraint, dependence_polyhedron,
3937         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3938         Move from NNC_Polyhedron to C_Polyhedron.
3939         * graphite-interchange.c (compute_array_size_poly,
3940         gather_access_strides): Dito.
3941         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3942         free_scop, pbb_number_of_iterations): Dito.
3943         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3944         pbb_dim_iter_domain, struct scop): Dito.
3945         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3946         new_Cloog_Domain_from_ppl_Polyhedron,
3947         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3948         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3949         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3950         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3951         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3952         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3953         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3954         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3955         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3956         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3957         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3958         build_scop_iteration_domain, build_poly_dr): Dito
3959
3960 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3961
3962         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3963         run-id-*.c files.
3964         * gcc.dg/graphite/run-id-1.c: New.
3965
3966 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3969         positivity constraint on the symbolic number of iterations.
3970
3971 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3972
3973         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3974
3975 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3976             Tobias Grosser  <grosser@fim.uni-passau.de>
3977
3978         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3979         (build_cloog_prog): Directly use SCOP_CONTEXT.
3980         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3981         (free_scop): Free SCOP_CONTEXT.
3982         (print_scop_context): New.
3983         (print_scop): Call print_scop_context.
3984         (debug_scop_context): New.
3985         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3986         (struct scop): Added field context.
3987         (SCOP_CONTEXT): New.
3988         * graphite-sese-to-poly.c (add_param_constraints): New.
3989         (build_scop_context): New.
3990         (build_poly_scop): Call build_scop_context.
3991
3992 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3993
3994         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3995         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3996         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3997         * graphite-ppl.h: Include double-int.h and tree.h.
3998         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3999         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
4000         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
4001         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
4002
4003 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4004
4005         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
4006         POINTER_PLUS_EXPR for pointer types.
4007         (clast_to_gcc_expression): Same.
4008
4009 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4010
4011         * graphite-poly.c (print_scattering_function): Early return when
4012         PBB_TRANSFORMED_SCATTERING is not initialized.
4013         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
4014
4015 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
4016
4017         * tree-parloops.c (analyze_reduction_list): Remove unused variable
4018         to fix bootstrap.
4019
4020 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
4021
4022         * tree-parloops.c (analyze_reduction_list): Change return
4023         value to void.
4024         (try_create_reduction_list): Move the call to
4025         analyze_reduction_list to the beginining.
4026         Call reduction_phi with analyzed_reductions as argument
4027         instead of reduction_list.
4028
4029 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4030
4031         *  Merge from mainline (r148296:149346)
4032
4033 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4034
4035         * graphite-scop-detection.c (graphite_can_represent_init): New.
4036         (graphite_can_represent_scev): Call graphite_can_represent_init:
4037         check that the initial value does not contain multiplications of
4038         parameters.
4039         (stmt_has_simple_data_refs_p): New.
4040         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
4041         (is_simple_operand): Fix formatting.
4042         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
4043
4044 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4045
4046         * gcc.dg/graphite/id-13.c: New.
4047         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
4048         analyze_scalar_evolution, use scalar_evolution_in_region.
4049         (scan_tree_for_params_right_scev): Add extra assert.
4050         (parameter_index_in_region_1): Split from parameter_index_in_region.
4051         (idx_record_params): Use scalar_evolution_in_region.
4052         (find_params_in_bb): Same.
4053         (find_scop_parameters): Same.
4054         (build_loop_iteration_domains): Same.
4055         (create_linear_expr_from_tree): Same.
4056         * sese.c (scalar_evolution_in_region): New.
4057         * sese.h (scalar_evolution_in_region): Declared.
4058         (defined_in_sese_p): New.
4059         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
4060         static anymore.
4061         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
4062         Declared.
4063
4064 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4065
4066         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
4067         TREE_DATA_REF_H also implies SCEV_H.
4068
4069 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4070
4071         * graphite-poly.c (print_scop_params): New.
4072         (print_scop): Call print_scop_params.
4073         (debug_scop_params): New.
4074         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
4075
4076 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4077
4078         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
4079         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
4080         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
4081         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
4082         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
4083         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
4084
4085 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4086
4087         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
4088         for dependency checking part.
4089         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
4090         tests for dependency checking.
4091         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4092         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4093         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
4094         flag -fdump-tree-graphite-all for autopar testsuites.
4095
4096 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4097
4098         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
4099         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
4100         canonicalize_loop_ivs): Moved...
4101         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
4102
4103 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4104
4105         * tree-parloops.c (try_create_reduction_list): Pass an extra
4106         argument analyzed_reductions.  Call analyze_reduction_list.
4107         (gen_parallel_loop): Do not call analyze_reduction_list.
4108         (parallelize_loops): Init and finalize analyzed_reductions.
4109
4110 2009-07-06  Li Feng  <nemokingdom@gmail.com>
4111
4112         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4113         Added flag -fno-loop-strip-mine for autopar testcase.
4114
4115 2009-07-04  Li Feng  <nemokingdom@gmail.com>
4116
4117         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
4118         transformed scattering dimension instead of unmatch orignal when
4119         calling dependence_polyhedron.
4120
4121 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4122
4123         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
4124
4125 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4126
4127         * graphite-poly.c (pbb_number_of_iterations): Check for returned
4128         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
4129
4130 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
4133         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
4134         * graphite-poly.c (pbb_number_of_iterations): New.
4135         * graphite-poly.h (pbb_number_of_iterations): Declared.
4136         (pbb_iterator_dim, pbb_parameter_dim): New.
4137
4138 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
4139
4140         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
4141         last commit on type of lower and upper bound of loops.
4142
4143 2009-06-29  Li Feng  <nemokingdom@gmail.com>
4144
4145         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
4146         graphite-dependences.h.
4147         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
4148         (mark_bb_with_pbb): New.
4149         (get_stmtfor_depth): New.
4150         (find_pbb_via_hash): New.
4151         (dependency_in_loop_p): New.
4152         (mark_loops_parallel): New.
4153         (free_aux_in_new_loops): New.
4154         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
4155         bb with it's relevant pbb. Mark newly created loops.  Remove mark
4156         innermost loop parallel without checking.
4157         (gloog): Add parameter BB_PBB_MAPPING.
4158         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
4159         (gloog): Change declaration.
4160         (mark_loop_parallel): Make extern.
4161         (free_aux_in_new_loops): Declare.
4162         (bb_pbb_map_hash): New.
4163         (eq_bb_pbb_map): New.
4164         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
4165         auto parallelization when flag_graphite_force_parallel is set.
4166         (graphite_finalize): Added free_aux_in_new_loops.
4167         * tree-parloops.c (parallelize_loops): Only generate parallel code for
4168         the innermost loop that marked parallel.  Use
4169         flag_graphite_force_parallel instead of loop->can_be_parallel.
4170         (loop_parallel_p): Move inner most checking out of function.
4171
4172 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4173
4174         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
4175         type of lower and upper bound of loops signed long int.
4176
4177 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4178
4179         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4180         expression outside the loop.
4181
4182 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4183
4184         * gcc.dg/graphite/interchange-8.c: New.
4185
4186 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4187
4188         * gcc.dg/graphite/interchange-0.c: XFailed.
4189         * gcc.dg/graphite/interchange-5.c: XFailed.
4190         * gcc.dg/graphite/interchange-6.c: XFailed.
4191
4192 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4193
4194         * graphite-interchange.c (compute_array_size_poly): The end of the
4195         recursion should return 1.
4196
4197 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4198
4199         * graphite-interchange.c (compute_array_size_cstr): Allow the
4200         subscript multiplier to be -1.
4201         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4202         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4203         data_container.  Initializes PDR_DATA_CONTAINER.
4204         (print_pdr_access_layout): New.
4205         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4206         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4207         data_container.
4208         (PDR_DATA_CONTAINER): New.
4209         (new_poly_dr): Update declaration.
4210         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4211         (build_poly_dr): Call pdr_add_data_dimensions.
4212
4213 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4214
4215         * graphite-poly.h (struct poly_dr): Fix comment.
4216         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4217         (pdr_add_memory_accesses): New.
4218         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4219
4220 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4221
4222         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4223         (print_pbb): Add call to print_pdrs.
4224         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4225
4226 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4227             Li Feng <nemokingdom@gmail.com>
4228
4229         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4230         (dependency_between_pbbs_p): New.
4231         (lexicographically_gt_p): Assure !empty_p before polyhedron
4232         intersection assign.
4233         (build_lexicographically_gt_constraint): Correct lexicographically
4234         judging.
4235         * graphite-dependences.h: New.
4236         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4237
4238 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4239
4240         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4241         (gloog): Print to dump_file the generated clast.
4242         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4243         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4244
4245 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4246
4247         * graphite-poly.c (extend_scattering): Increment
4248         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4249
4250 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4251
4252         * graphite-interchange.c (compute_array_size_poly): Added exit of
4253         recursion condition.  Continue iterating even after the first equality.
4254         (compute_array_size): Same.
4255
4256 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4257
4258         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4259         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4260         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4261         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4262         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4263
4264 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4265
4266         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4267         only when the use verifies is_gimple_reg.
4268
4269 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4270
4271         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4272         Allocate scaldims after call to unify_scattering_dimensions.
4273
4274 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4275
4276         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4277
4278 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4279             Albert Cohen  <albert.cohen@inria.fr>
4280
4281         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4282         variables for the strip mining.
4283
4284 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4285             Pranav Garg  <pranav.garg2107@gmail.com>
4286
4287         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4288         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4289         (graphite-blocking.o): New rule.
4290         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4291         * graphite-blocking.c: New.
4292         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4293         flag_loop_strip_mine.
4294         (psct_scattering_dim_for_loop_depth): New.
4295         * graphite-poly.h (scop_do_strip_mine): Declared.
4296         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4297         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4298         flag_loop_strip_mine.
4299
4300 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4301
4302         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4303         a GMP value and a PPL coefficient at each iteration of a loop.
4304
4305 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4306
4307         * graphite-dependences.c (dependence_polyhedron): Do not use
4308         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4309         pbb_nb_scattering_transform.
4310         (graphite_legal_transform_dr): Same.
4311         * graphite-poly.c (extend_scattering): Same.
4312         (unify_scattering_dimensions): Same.
4313         (print_scattering_function): Same.
4314         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4315         PBB_NB_LOCAL_VARIABLES.
4316         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4317         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4318         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4319         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4320         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4321         (pbb_nb_scattering_transform): New.
4322         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4323         (psco_scattering_dim): Add assert on parameters.
4324         (psct_scattering_dim): Same.
4325         (psct_scattering_dim_for_loop_depth): Declared.
4326         (psct_local_var_dim): New.
4327         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4328         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4329         correct layout, call pbb_nb_local_vars.
4330         (psct_add_local_variable, psct_add_scattering_dimension): New.
4331         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4332         Initialize PBB_NB_SCATTERING_TRANSFORM.
4333
4334 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4335
4336         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4337         (set_coef): Renamed ppl_set_coef.
4338         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4339
4340 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4341
4342         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4343         test a boolean against 1.
4344         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4345         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4346         (pbb_do_interchange): Returns true when a transform has been performed.
4347         (scop_do_interchange): Same.
4348         * graphite-poly.c (apply_poly_transforms): Use the return value of
4349         scop_do_interchange.
4350         * graphite-poly.h (scop_do_interchange): Update declaration.
4351
4352 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4353
4354         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4355         after last use.
4356         * sese.c (sese_reset_aux_in_loops): New.
4357         * sese.h (sese_reset_aux_in_loops): New.
4358
4359 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4360
4361         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4362         multiplier and multiply the constant by the multiplier.
4363         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4364         (build_poly_dr): Do not use the multiplier to define the subscript.
4365
4366 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4367
4368         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4369         compiler's data reference.  Initialize PDR_CDR.
4370         (print_pdr): Call dump_data_reference.
4371         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4372         Add compiler_dr field.
4373         (PDR_BB): Renamed PDR_PBB.
4374         (PDR_CDR): New.
4375         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4376         GCC's data reference representation.
4377         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4378         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4379
4380 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4381
4382         * graphite-poly.c (print_scattering_function): Also print the layout.
4383         * graphite-poly.h (pbb_nb_local_vars): New.
4384
4385 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4386
4387         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4388
4389 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4390
4391         * graphite-poly.c (print_pdr, debug_pdr): New.
4392         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4393         (PDR_BASE): Removed.
4394
4395 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4396
4397         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4398         ltrans-{1..6,8}.c.
4399
4400 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4403         subscript identification column.
4404         (pbb_do_interchange): Print to dump_file that some loops "will be
4405         interchanged".  Rely on that chain of characters in the testcases.
4406         * gcc.dg/graphite/interchange-0.c: New.
4407         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4408         interchange-*.c files and compile them with -floop-interchange.
4409
4410 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4411
4412         * graphite-interchange.c (interchange_profitable_p): Renamed
4413         pbb_interchange_profitable_p.
4414
4415 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4416             Harsha Jagasia  <harsha.jagasia@amd.com>
4417             Pranav Garg  <pranav.garg2107@gmail.com>
4418
4419         * graphite-interchange.c (interchange_profitable_p): Make static.
4420         (pbb_interchange_loop_depths, pbb_do_interchange,
4421         scop_do_interchange): New.
4422         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4423         for flag_loop_interchange.
4424         * graphite-poly.h (scop_do_interchange): Declared.
4425         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4426         flag_loop_interchange is used.
4427
4428 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4429
4430         * graphite-dependences.c (dependence_polyhedron): Update use of
4431         pbb_nb_scattering_dims.
4432         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4433         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4434         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4435         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4436
4437 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4438
4439         * graphite.c: Cleanup foo.
4440
4441 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4442
4443         * Merge from mainline (r143684:148293).
4444         * Disabled libpcp until it gets fixed.
4445
4446 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4447             Harsha Jagasia  <harsha.jagasia@amd.com>
4448
4449         * graphite-interchange.c: New.
4450         * Makefile.in (graphite-interchange.o): New.
4451         * graphite-poly.h (interchange_profitable_p): Declared.
4452         * graphite-ppl.h (value_max): New.
4453
4454 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4455
4456         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4457         * graphite-poly.h: Fix some comments.
4458         (pdr_dim): New.
4459         (pdr_scop): New.
4460
4461 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4462
4463         * graphite-poly.h
4464         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4465         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4466         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4467         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4468         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4469         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4470         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4471         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4472         * graphite-clast-to-gimple.c: Same.
4473         * graphite-dependences.c: Same.
4474         * graphite-poly.c: Same.
4475         * graphite-sese-to-poly.c: Same.
4476
4477 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4478
4479         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4480         expressions for an IV rename, as returned by clast_to_gcc_expression.
4481         (copy_renames): Rename new_name to expr.
4482         * sese.c (debug_rename_elt): Same.
4483         (get_rename): Same.
4484         (set_rename): Same.
4485         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4486         the information from the rename map.
4487         (rename_variables_in_stmt): Same.
4488         (add_loop_exit_phis): Rename new_name to expr.
4489         (insert_loop_close_phis): Same.
4490         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4491         * sese.h (struct rename_map_elt): Rename new_name to expr.
4492         (new_rename_map_elt): Same.
4493
4494 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4495
4496         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4497         * sese.c (set_rename): Make it extern.
4498         * sese.h (set_rename): Declared.
4499
4500 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4501
4502         * graphite-poly.c (extend_scattering): Free values.
4503         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4504         Free iterators.
4505         (ppl_print_powerset_matrix): Same.
4506         * graphite-scop-detection.c (free_scops_1): New.
4507         (limit_scops): Call free_scops_1.
4508         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4509         (build_poly_dr): Free PPL coefficients.
4510         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4511
4512 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4513
4514         * graphite-dependences.c: New.
4515         * graphite-data-ref.c: Removed.
4516         * graphite-data-ref.h: Removed.
4517         * Makefile.in (graphite-data-ref.o): Removed.
4518         (graphite-dependences.o): Added.
4519         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4520         * graphite-poly.c: Same.
4521         Move the data dependence testing to graphite-dependences.c.
4522
4523 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4524
4525         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4526         from graphite_cannot_represent_loop. Code refactored.
4527         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4528
4529 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4530
4531         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4532         Cover all the testcases (not only the filtered ones).
4533
4534 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4535
4536         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4537         unnecessary check. Update comments. Move check for REAL_TYPE here.
4538         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4539         done in (stmt_simple_for_scop_p).
4540
4541 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4542
4543         * graphite.c (print_global_statistics): New.
4544         (print_graphite_scop_statistic): New.
4545         (print_graphite_statistics): New.
4546         (graphite_initialize, graphite_transform_loops): Print statistics.
4547         * graphite-scop-detection (build_scops): Print statistics.
4548         (print_graphite_scop_statistics): New.
4549         (print_graphite_statistics): New.
4550
4551 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4552
4553         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4554         (debug_clast_name_index): Removed.
4555         (debug_clast_name_indexes_1): Removed.
4556         (debug_clast_name_indexes): Removed.
4557         (clast_name_index_elt_info): Removed.
4558         (eq_clast_name_indexes): Removed.
4559         (clast_name_to_index): Removed.
4560         (new_clast_name_index): Removed.
4561         (save_clast_name_index): Removed.
4562         (save_var_name): Moved...
4563         (init_sese_params_index): Removed.
4564         (clast_name_to_gcc): Remove use of name_tree.
4565         (initialize_cloog_names): Same.
4566         (gloog): Do not call init_sese_params_index.
4567         * graphite-sese-to-poly.c (save_var_name): ...here.
4568         (parameter_index_in_region): New.
4569         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4570         (parameter_index_in_region): Removed.
4571         (is_parameter): Remove use of name_tree.
4572         * sese.h (struct name_tree): Removed.
4573         (struct sese): Remove use of name_tree.  New field params_names.
4574         (SESE_PARAMS_NAMES): New.
4575         (SESE_PARAMS): Remove duplicate.
4576         (parameter_index_in_region): Removed.
4577         (sese_nb_params): Remove use of name_tree.
4578         (struct clast_name_index): New.
4579         (new_clast_name_index): New.
4580         (clast_name_to_index): New.
4581         (save_clast_name_index): New.
4582         (debug_clast_name_index): New.
4583         (debug_clast_name_indexes_1): New.
4584         (debug_clast_name_indexes): New.
4585         (clast_name_index_elt_info): New.
4586         (eq_clast_name_indexes): New.
4587
4588 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4589
4590         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4591         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4592         (graphite_loop_normal_form): Do not pass region.  Do not
4593         initialize SESE_OLDIVS.
4594         (build_graphite_loop_normal_form): Update call to
4595         graphite_loop_normal_form.
4596         * sese.c (debug_oldivs): Removed.
4597         (new_sese): Do not initialize SESE_OLDIVS.
4598         (free_sese): Do not free SESE_OLDIVS.
4599         (oldiv_for_loop): Removed.
4600         * sese.h (struct sese): Remove old_ivs.
4601         (SESE_OLDIVS): Removed.
4602         (oldiv_for_loop): Removed.
4603
4604 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4605
4606         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4607         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4608         replaced by a call to newivs_to_depth_to_newiv.
4609         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4610         (clast_to_gcc_expression_red): Same.
4611         (gcc_type_for_clast_expr): Same.
4612         (gcc_type_for_clast_eq): Same.
4613         (graphite_translate_clast_equation): Same.
4614         (graphite_create_guard_cond_expr): Same.
4615         (graphite_create_new_guard): Same.
4616         (graphite_create_new_loop): Same.
4617         (build_iv_mapping): Same.
4618         (translate_clast): Same.
4619         (gloog): Same.
4620         (loop_iv_stack_patch_for_consts): Removed.  *
4621         sese.c (iv_stack_entry_is_constant): Removed.
4622         (iv_stack_entry_is_iv): Removed.
4623         (loop_iv_stack_push_iv): Removed.
4624         (loop_iv_stack_insert_constant): Removed.
4625         (loop_iv_stack_pop): Removed.
4626         (loop_iv_stack_get_iv): Removed.
4627         (loop_iv_stack_get_iv_from_name): Removed.
4628         (debug_loop_iv_stack): Removed.
4629         (free_loop_iv_stack): Removed.
4630         (loop_iv_stack_remove_constants): Removed.  *
4631         sese.h (iv_stack_entry_kind): Removed.
4632         (iv_stack_entry_data_union): Removed.
4633         (iv_stack_entry_struct): Removed.
4634         (iv_stack_entry_p): Removed.
4635         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4636         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4637         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4638         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4639         (gbb_loop_at_index): Fix indenting.
4640         (gbb_loop_index): Removed.
4641
4642 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4643
4644         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4645         Call clast_name_to_index.
4646
4647 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4648
4649         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4650         do not pass params.  Get params from SESE_PARAMS.
4651         (clast_to_gcc_expression): Same.
4652         (clast_to_gcc_expression_red): Same.
4653         (gcc_type_for_clast_eq): Same.
4654         (graphite_translate_clast_equation): Same.
4655         (graphite_create_new_loop): Same.
4656         * sese.c (rename_variables_in_stmt): Fix comment.
4657
4658 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4659
4660         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4661         newivs_index.
4662         Call save_clast_name_index.
4663         (translate_clast): Pass newivs_index.
4664         (gloog): Create and free newivs_index.
4665
4666 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4667
4668         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4669         (clast_name_index_p): New type.
4670         (debug_clast_name_index): New.
4671         (debug_clast_name_indexes_1): New.
4672         (debug_clast_name_indexes): New.
4673         (clast_name_index_elt_info): New.
4674         (eq_clast_name_indexes): New.
4675         (clast_name_to_index): New.
4676         (new_clast_name_index): New.
4677         (save_clast_name_index): New.
4678         (init_sese_params_index): New.
4679         (gloog): Call init_sese_params_index.
4680         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4681         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4682         (free_sese): Free SESE_PARAMS_INDEX.
4683         * sese.h (struct sese): Add params_index.
4684         (SESE_PARAMS_INDEX): New.
4685
4686 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4687
4688         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4689         (graphite_create_new_loop): Pass the newivs vector.  Push the
4690         newly created IV to newivs.
4691         (translate_clast): Pass the newivs vector.
4692         (gloog): Create and destroy the newivs vector.
4693
4694 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4697         (graphite_loop_normal_form): Initialize loop->aux with the unique
4698         IV that has been created.
4699
4700 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4701
4702         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4703         scev with parameters in the base part. They where forbidden
4704         exidently.
4705
4706 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4707
4708         * gcc.dg/graphite/graphite.exp: Set different default
4709         compile options by file names.
4710         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4711         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4712         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4713         * gcc.dg/graphite/scop-matmult.c: Ditto.
4714
4715 2009-05-08  Li Feng <nemokingdom@gmail.com>
4716
4717         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4718         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4719         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4720         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4721
4722 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4723
4724         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4725         by final cleanup.
4726
4727 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4728
4729         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4730         allow integer constant strides.
4731         (graphite_can_represent_expr): Depend on outermost_loop.
4732         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4733         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4734         build_scops_1): Same.
4735         (scopdet_basic_block_info): Same and insert layered SCoP
4736         detection.
4737         (try_generate_gimple_bb): Cleanup.
4738         (build_scops): Enable data references.
4739
4740         * gcc.dg/graphite/id-5.c: New.
4741         * gcc.dg/graphite/id-9.c: New.
4742         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4743         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4744
4745 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4746
4747         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4748         that we have not yet built for this SCoP.
4749
4750 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4751
4752         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4753         for complex numbers.
4754
4755 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4756
4757         * graphite-ppl.c: Fix build if cloog is not available.
4758
4759 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4760
4761         * tree-parloops.c (loop_parallel_p): Remove construction of
4762         NITER and REDUCTION_LIST.
4763         (try_get_loop_niter): New.
4764         (try_create_reduction_list): New.
4765         (parallelize_loops): Bypass the failed checkings in autopar
4766         when can_be_parallel in loop structure is set to true.
4767
4768 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4769
4770         * gcc.dg/graphite/id-6.c: Update testcase.
4771         * gcc.dg/graphite/scop-3.c: Dito.
4772
4773 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4774
4775         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4776         Enable EQ_EXPR and NE_EXPR again.
4777
4778 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4779
4780         * graphite-scop-detection.c (graphite_can_represent_scev):
4781         Add check if scev is affine multivariate.
4782         (harmful_stmt_in_bb): Check if we can represent the conditions.
4783         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4784         harmful_stmt_in_bb.
4785         * gcc.dg/graphite/id-7.c: New.
4786
4787 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4788
4789         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4790         Check all bbs in region, not only the bbs that are represented in
4791         GRAPHITE.
4792         (build_poly_scop): Add newline.
4793         * gcc.dg/graphite/id-8.c: New.
4794
4795 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4796
4797         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4798         when loop initialize.
4799         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4800         * common.opt: Declare flag_graphite_force_parallel.
4801         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4802         loop parallel.
4803         * graphite-poly.c (apply_poly_transforms): Introduce
4804         flag_graphite_force_parallel.
4805         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4806         * toplev.c (process_options): ditto and replace a not correctly
4807         encoded space.
4808
4809 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4810
4811         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4812         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4813         to the redefinition.
4814         (compute_cloog_iv_types_1): ditto.
4815         (build_iv_mapping): ditto.
4816         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4817         initialization.
4818         (free_gimple_bb): Removed GBB_LOOPS related free part.
4819         (build_bb_loops): Removed.
4820         * sese.h (struct gimple_bb): Removed loops.
4821         (GBB_LOOPS): Removed.
4822         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4823         (gbb_loop_index): ditto.
4824
4825 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4826
4827         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4828         allow non constant strides.
4829         * gcc.dg/graphite/scop-20.c: New.
4830
4831 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4832
4833         * graphite-scop-detection.c (dot_all_scops): Fix system call
4834         return value warning.
4835         (dot_scop): Same.
4836
4837 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4838
4839         * gcc.dg/graphite/id-6.c: Fix pattern.
4840         * gcc.dg/graphite/scop-3.c: Same.
4841
4842 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4843
4844         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4845         build_pairwise_constraint, dr_equality_constraints,
4846         build_pairwise_scheduling_equality,
4847         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4848         build_lexicographically_gt_constraint, dependence_polyhedron,
4849         graphite_legal_transform_dr, graphite_legal_transform_bb,
4850         graphite_legal_transform): New.
4851         * graphite-poly.h (graphite_legal_transform): Declared.
4852         * graphite-sese-to-poly.c (build_poly_scop): Call to
4853         graphite_legal_transform is disabled for the moment.
4854
4855 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4856
4857         * graphite-poly.h (pbb_nb_scattering_dims): New.
4858         (pbb_nb_scattering): Use it.
4859
4860 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4861
4862         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4863         Pointset_Powerset version of ppl_insert_dimensions.
4864         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4865
4866 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4867
4868         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4869
4870 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4871
4872         * graphite-poly.h: Fix comment.
4873
4874 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4875
4876         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4877
4878 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4879
4880         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4881         statements.
4882
4883 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4884
4885         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4886         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4887         conditions.
4888
4889 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4890
4891         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4892         handle EQ_EXPR and NE_EXPR.
4893
4894 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4895
4896         * graphite-poly.h (poly_dr): Fix comment.
4897
4898 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4899             Tobias Grosser  <grosser@fim.uni-passau.de>
4900
4901         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4902         with a zero dimension polyhedron.
4903         (find_scop_parameters): Move the call to scop_set_nb_params here.
4904         (build_loop_iteration_domains): Store in loop->aux the iteration
4905         domain polyhedron.
4906         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4907         by any loop in scop.
4908         (build_poly_scop): Do not call scop_set_nb_params.
4909
4910 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4911             Tobias Grosser  <grosser@fim.uni-passau.de>
4912
4913         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4914         add_condition_to_domain not GT_EXPR.
4915
4916 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4917
4918         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4919         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4920         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4921         upper_bound_assign to calculate unions.
4922         * gcc.dg/graphite/id-6.c: New.
4923
4924 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4925
4926         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4927         handle abnormal edges.
4928
4929 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4930
4931         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4932         (free_poly_bb): Also free poly_drs.
4933         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4934         (poly_dr): Polyhedron to Pointset_Powerset.
4935         (pdr_accessp_nb_subscripts): Same.
4936         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4937         poly_drs.
4938
4939 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4940
4941         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4942         names into more meaningful names.
4943
4944 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4945
4946         * gfortran.dg/graphite/interchange-1.c: New.
4947         * gfortran.dg/graphite/interchange-2.c: New.
4948
4949 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4952         the reduction_list.
4953         * tree-parloops.c (rewrite_phi_with_iv): New.
4954         (rewrite_all_phi_nodes_with_iv): New.
4955         (canonicalize_loop_ivs): Call them.
4956
4957 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4958
4959         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4960         graphite_find_data_references_in_stmt.
4961         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4962         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4963
4964 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4965
4966         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4967
4968 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4969
4970         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4971         instead of bb_in_region.
4972         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4973         (build_sese_conditions): Use flag_bb_in_sese.
4974         * sese.c (register_bb_in_sese): Removed.
4975         (new_sese): Remove initialization of SESE_REGION_BBS.
4976         (free_sese): Do not free SESE_REGION_BBS.
4977         * sese.h (struct sese): Remove field region_basic_blocks.
4978         (SESE_REGION_BBS): Removed.
4979         (bb_in_sese_p): Implement in function of bb_in_region.
4980
4981 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4982
4983         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4984         loops.
4985
4986 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4987
4988         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4989         and EQ_EXPR.
4990         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4991         (add_condition_to_domain): New.
4992         (add_condition_to_pbb): New.
4993         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4994         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4995
4996 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4997
4998         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4999         ppl_Pointset_Powerset.
5000         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
5001         * graphite-poly.h (poly_bb): poly_bb.domain Same.
5002         (pbb_nb_loops): Same.
5003         * graphite-sese-to-poly.c (build_loop_iteration_domains,
5004         add_conditions_to_domain): Same.
5005         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5006         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
5007         ppl_const_Polyhedron_t.
5008         (ppl_print_powerset_matrix): New.
5009         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
5010         ppl_print_powerset_matrix): New.
5011         (ppl_print_polyhedron_matrix): Updated.
5012
5013 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5014
5015         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
5016
5017 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5018
5019         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
5020         (print_iteration_domains, debug_iteration_domain,
5021         debug_iteration_domains): New.
5022         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
5023         debug_iteration_domains): Declared.
5024         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
5025         indenting.
5026
5027 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5028             Sebastian Pop  <sebastian.pop@amd.com>
5029
5030         * graphite-poly.h (print_iteration_domain): New.
5031         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
5032         (build_sese_conditions_1, build_sese_conditions_after,
5033         build_sese_conditions_before): New.
5034         (build_sese_conditions): Rewritten.
5035
5036 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5037             Tobias Grosser  <grosser@fim.uni-passau.de>
5038
5039         Cleanup of code generation liveouts.
5040         * graphite-clast-to-gimple.c (translate_clast): Use a single
5041         rename_map instead of one per translated statement.
5042         Do not use SESE_LIVEOUT_RENAMES.
5043         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
5044         (gloog): Do not use SESE_LIVEOUT_RENAMES.
5045         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
5046         phi node of a reduction: when a loop contains a reduction used outside
5047         the loop, there should be a scalar close phi node on the exit block.
5048         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
5049         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
5050         (free_sese): Do not free them.
5051         (sese_build_liveouts_use): Do not use them.
5052         (sese_build_liveouts_bb): Same.
5053         (sese_build_liveouts): Same.
5054         (sese_insert_phis_for_liveouts): Same.
5055         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
5056         (defined_in_loop_p): New.
5057         (alive_after_loop): New.
5058         (close_phi_not_yet_inserted_p): New.
5059         (struct alep, alep_p): New.
5060         (add_loop_exit_phis): Remove from the rename_map all the names defined
5061         in the code generated loop.
5062         (insert_loop_close_phis): Traverse the rename_map passed to it.
5063         Don't use SESE_LIVEOUT_RENAMES.
5064         (default_liveout_before_guard): Renamed default_before_guard.
5065         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
5066         (graphite_copy_stmts_from_block): Do not directly call set_rename.
5067         (register_sese_liveout_renames): Removed.
5068         (copy_bb_and_scalar_dependences): Do not call it.
5069         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
5070         reduction_list.
5071         (SESE_LIVEOUT): Removed.
5072         (SESE_LIVEOUT_RENAMES): Removed.
5073         (SESE_REDUCTION_LIST): Removed.
5074         (sese_build_liveouts): Removed.
5075         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
5076         (insert_loop_close_phis): Pass a htab_t instead of a sese.
5077         (insert_guard_phis): Same.
5078         (rename_map_elt): Declare a VEC of them.
5079         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5080         trees not pointers to trees.
5081
5082         Rewrite in canonical close SSA form:
5083         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
5084         (limit_scops): Close the scop after the block containing the close phi
5085         nodes.
5086         (canonicalize_loop_closed_ssa): New.
5087         (canonicalize_loop_closed_ssa_form): New.
5088         (build_scops): Call canonicalize_loop_closed_ssa_form.
5089
5090         * graphite-sese-to-poly.c: Fix typos.
5091
5092 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5093
5094         * graphite-poly.c (print_scattering_function, print_pbb_domain):
5095         Extended.
5096         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
5097         (print_pbb): Add conditions.
5098
5099 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5100             Sebastian Pop  <sebastian.pop@amd.com>
5101
5102         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
5103         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
5104         (build_scop_bbs_1): New.
5105         (build_scop_bbs): Rewrite.
5106         * sese.h (bb_in_region): New.
5107
5108 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5109
5110         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5111         poly_drs vector.
5112         (print_scop): Style.
5113         * graphite-poly.h (poly_bb): Add drs vector.
5114         (PBB_DRS): Add accessor.
5115         * graphite-sese-to-poly.c (build_poly_dr): New.
5116         (build_pbb_drs, build_scop_drs): New.
5117         (build_poly_scop): call build_scop_drs (Disabled at the moment).
5118
5119 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5120
5121         * tree-ssa-loop.c: Include forgotten toplev.h
5122
5123 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5124
5125         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
5126         * gcc.dg/graphite/pr37883.c: Remove -floop-*
5127         * gcc.dg/graphite/pr37928.c: Same
5128         * gcc.dg/graphite/pr38409.c: Same
5129         * gcc.dg/graphite/pr38498.c: Same
5130         * gcc.dg/graphite/pr38559.c: Same
5131         * gcc.dg/graphite/pr39335.c: Same
5132         * gcc.dg/graphite/pr39335_1.c: Same
5133         * gfortran.dg/graphite/block-2.f: Same
5134         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
5135         with -floop-*.
5136
5137 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5138
5139         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
5140         build_access_matrix, build_scop_data_accesses): Remove access function
5141         building. (We get a new version soon).
5142         (build_bb_loops, scan_tree_for_params_right_scev): Update.
5143         * sese.h (nb_loops_around_loop_in_sese): Remove.
5144         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
5145
5146 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
5147             Sebastian Pop  <sebastian.pop@amd.com>
5148
5149         * graphite-scop-detection.c (struct scopdet_info): Rename last
5150         field to exit.
5151         (scopdet_basic_block_info, build_scops_1): Don't use
5152         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
5153
5154 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
5155             Sebastian Pop  <sebastian.pop@amd.com>
5156
5157         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
5158         * sese.c (sese_build_liveouts_use): Renamed from
5159         sese_build_livein_liveouts_use. Remove liveins.
5160         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
5161         Call sese_build_liveouts_use.
5162         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
5163         Call sese_build_liveouts_bb.
5164         (new_sese, free_sese): Remove liveins.
5165         (sese_add_exit_phis_var): Deleted.
5166         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
5167         directly.
5168         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
5169
5170         * sese.h (sese): Remove num_ver and livein.
5171         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
5172
5173 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5174
5175         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
5176
5177 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5178
5179         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5180         (build_scop_scattering): Do not use compare_prefix_loops any more.
5181         (nb_common_loops): New.
5182
5183 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5184
5185         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5186         (register_old_and_new_names): Renamed set_rename.
5187
5188 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5189
5190         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5191         of the decl from the previous commit.
5192
5193 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5194
5195         * graphite-scop-detection.c (dot_scop): New.
5196         * graphite-scop-detection.h (dot_scop): Declared.
5197
5198 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5199
5200         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5201
5202 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5203
5204         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5205         condition at the end of the loop.
5206         * graphite.c (graphite_initialize, graphite_finalize): Print to
5207         dump_file the compiled function.
5208         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5209         of create_empty_loop_on_edge.
5210         (translate_clast): Update the code generation of loops for the new
5211         shape of loops.
5212         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5213
5214 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5215
5216         Reverted the patch from 2009-03-19.
5217
5218 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5219
5220         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5221         poly_drs vector.
5222         (print_scop): Style.
5223         * graphite-poly.h (poly_bb): Add drs vector.
5224         (PBB_DRS): Add accessor.
5225         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5226         (build_access_matrix_with_af, build_access_matrix,
5227         build_scop_data_accesses): Delete.
5228         (build_poly_dr): New.
5229         (build_pbb_drs, build_scop_drs): New.
5230         (build_poly_scop): call build_scop_drs.
5231
5232 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5233
5234         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5235         once per basic block.
5236
5237 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5238
5239         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5240         (graphite_can_represent_expr): Renamed from loop_affine_expr
5241         and enhanced.
5242         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5243         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5244         (scopdet_basic_block_info): Actually define entry_block.
5245         (stmt_simple_memref_p): Moved here from ...
5246
5247         * tree-data-ref.c (stmt_simple_memref_p): here.
5248         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5249
5250 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5251
5252         * gcc.dg/graphite/id-4.c: New.
5253
5254 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5255
5256         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5257         (register_old_and_new_names): Update the content of the map.
5258         When there was already a rename_map_elt in the map at that
5259         location, free it.
5260         (copy_bb_and_scalar_dependences): Do rename_variables after
5261         expand_scalar_variables.
5262         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5263         of the map.  When there was already a rename_map_elt in the
5264         map at that location, free it.
5265         (translate_clast): Pass the rename_map.  Do not initialize and free
5266         a rename_map per stmt_user.
5267         (gloog): Initialize and free one rename_map and pass it to
5268         translate_clast.
5269
5270 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5271
5272         * sese.c (expand_scalar_variables_stmt,
5273         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5274         parameter.
5275         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5276         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5277         the gimple_stmt_iterator of the statement to be expanded.
5278         * graphite-scop-detection.c (is_simple_operand): Do handle
5279         REALPART_EXPR.
5280
5281 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5282
5283         * graphite-scop-detection.c (is_simple_operand): Do not handle
5284         REALPART_EXPR.
5285         * gcc.dg/graphite/id-2.c: New.
5286
5287         * graphite-sese-to-poly.c (build_bb_loops,
5288         add_value_to_dim, scan_tree_for_params_right_scev,
5289         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5290         find_params_in_bb, build_loop_iteration_domains,
5291         add_conditions_to_domain): Remove subtract.
5292
5293 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5294
5295         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5296         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5297         pbb_loop_at_index -> gbb_loop_at_index.
5298         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5299         (debug_loop_vec): Delete.
5300         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5301         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5302         (PBB_LOOPS): Removed.
5303         (PBB_BLACK_BOX): Insert cast.
5304         (pbb_set_black_box): New setter.
5305         (pbb_loop_at_index, pbb_loop_index): Removed.
5306         (scop_set_region, scop_set_nb_params): New.
5307         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5308         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5309         (build_poly_scop): Use scop_set_nb_params.
5310         * sese.h (gimple_bb): Add LOOPS.
5311         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5312
5313 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5314
5315         Revert previous commit.
5316
5317 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5318
5319         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5320         (register_old_and_new_names): Update the content of the map.
5321         When there was already a rename_map_elt in the map at that
5322         location, free it.
5323         (copy_bb_and_scalar_dependences): Do rename_variables after
5324         expand_scalar_variables.
5325         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5326         of the map.  When there was already a rename_map_elt in the
5327         map at that location, free it.
5328         (translate_clast): Pass the rename_map.  Do not initialize and free
5329         a rename_map per stmt_user.
5330         (gloog): Initialize and free one rename_map and pass it to
5331         translate_clast.
5332
5333 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5334
5335         Remove forgotten line in revert.
5336
5337 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5338
5339         Revert previous commit.
5340
5341 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5342
5343         * sese.c (register_old_and_new_names): Update the content
5344         of the map.  When there was already a rename_map_elt in the
5345         map at that location, free it.
5346         (copy_bb_and_scalar_dependences): Do rename_variables after
5347         expand_scalar_variables.
5348         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5349         of the map.  When there was already a rename_map_elt in the
5350         map at that location, free it.
5351         (translate_clast): Pass the rename_map.  Do not initialize and free
5352         a rename_map per stmt_user.
5353         (gloog): Initialize and free one rename_map and pass it to
5354         translate_clast.
5355
5356 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5357
5358         * graphite-clast-to-gimple.c (translate_clast): context_loop
5359         is never NULL.
5360
5361 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5362             Sebastian Pop  <sebastian.pop@amd.com>
5363
5364         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5365         of the use of ppl_Polyhedron_map_space_dimensions.
5366
5367 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5368             Sebastian Pop  <sebastian.pop@amd.com>
5369
5370         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5371         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5372         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5373         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5374         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5375         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5376         pbb_nb_params): New.
5377         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5378         nb_loops_around_pbb): Adapt return types.
5379
5380 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5381
5382         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5383         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5384         graphite-scop-detection.o, graphite-poly.o): Add
5385         more headers.
5386
5387 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5388
5389         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5390         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5391         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5392
5393 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5394
5395         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5396         * gcc.dg/graphite/pr37828.c: Same.
5397         * gcc.dg/graphite/pr37684.c: Same.
5398         * gcc.dg/graphite/block-0.c: Same.
5399         * gcc.dg/graphite/block-1.c: Same.
5400         * gcc.dg/graphite/block-2.c: Same.
5401         * gcc.dg/graphite/block-3.c: Same.
5402         * gcc.dg/graphite/block-4.c: Same.
5403         * gcc.dg/graphite/block-5.c: Same.
5404         * gcc.dg/graphite/block-6.c: Same.
5405         * gfortran.dg/graphite/pr38083.f90: Same.
5406         * gfortran.dg/graphite/block-1.f90: Same.
5407         * gfortran.dg/graphite/block-3.f90: Same.
5408         * gfortran.dg/graphite/pr37852.f90: Same.
5409         * gfortran.dg/graphite/block-4.f90: Same.
5410         * gfortran.dg/graphite/pr37980.f90: Same.
5411         * gfortran.dg/graphite/pr38953.f90: Same.
5412         * gfortran.dg/graphite/pr37857.f90: Same.
5413         * opts.c: Remove -floop-block from -O2.
5414         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5415         -floop-strip-mine are used.
5416
5417 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5418             Sebastian Pop  <sebastian.pop@amd.com>
5419
5420         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5421         dimensions.
5422         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5423         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5424         strip_mine_profitable_p, is_interchange_valid,
5425         graphite_trans_bb_block, graphite_trans_loop_block,
5426         graphite_trans_scop_block): Temporary removed.
5427         (extend_scattering, unify_scattering_dimensions): New.
5428         (print_scattering_function, graphite_read_transforms):
5429         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5430         (graphite_generate_scattering_fns): Removed.
5431         (apply_poly_transforms): Cleanup.
5432         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5433         (schedule_to_scattering): Moved.
5434         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5435         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5436         (pbb_nb_scattering): New.
5437         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5438         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5439         Removed.
5440         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5441         shift_poly.
5442         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5443         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5444         -> PBB_TRANSFORMED_SCATTERING.
5445         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5446         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5447         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5448         (check_poly_representation): Do not return bool.
5449         (graphite_transform_loops): Reformat.
5450         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5451
5452 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5453
5454         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5455         debug_pbb_domain, debug_pbb, debug_scop): New.
5456         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5457         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5458
5459 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5460
5461         PR middle-end/39335
5462         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5463         when the type precision of the induction variable should be
5464         larger than the type precision of nit.
5465         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5466         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5467         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5468
5469         * gcc.dg/graphite/pr39335_1.c: New.
5470         * gcc.dg/graphite/pr39335.c: New.
5471
5472 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5473
5474         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5475         SSA_NAMES not struct reduction_info.
5476
5477 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5478
5479         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5480
5481 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5482             Tobias Grosser  <grosser@fim.uni-passau.de>
5483
5484         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5485         (free_sese): Free SESE_REDUCTION_LIST.
5486         * sese.h (struct sese): Add field reduction_list.
5487         (SESE_REDUCTION_LIST): New.
5488         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5489         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5490
5491 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5492             Tobias Grosser  <grosser@fim.uni-passau.de>
5493
5494         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5495         of loop_p.
5496
5497 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5498             Tobias Grosser  <grosser@fim.uni-passau.de>
5499
5500         * tree-parloops.c (struct brli, build_reduction_list_info,
5501         analyze_reduction_list, gather_scalar_reductions): New.
5502         (loop_parallel_p): Build a reduction list containing only
5503         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5504         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5505         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5506         * tree-flow.h (gather_scalar_reductions): Declared.
5507
5508 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5509
5510         PR middle-end/39308
5511         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5512         number_of_iterations_exit from a gcc_assert.
5513
5514 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5515             Jan Sjodin  <jan.sjodin@amd.com>
5516
5517         * output.h (graphite_out_file, graphite_in_file): Declared.
5518         * toplev.c (graphite_out_file, graphite_in_file): New.
5519         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5520         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5521         Don't call schedule_to_scattering.
5522         * common.opt (fgraphite-write, fgraphite-read): New.
5523         * graphite-poly.c: Include output.h.
5524         (print_scattering_function, print_scattering_functions,
5525         debug_scattering_function, debug_scattering_functions,
5526         graphite_write_transforms, graphite_read_transforms,
5527         graphite_generate_scattering_fns): New.
5528         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5529         Call graphite_generate_scattering_fns, graphite_write_transforms,
5530         graphite_read_transforms.
5531         (new_poly_bb): Initialize PBB_SCATTERING.
5532         (free_poly_bb): Free PBB_SCATTERING.
5533         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5534         * graphite-poly.h (struct poly_bb): Add field scattering.
5535         (PBB_SCATTERING): New.
5536         (print_scattering_function, print_scattering_functions,
5537         debug_scattering_function, debug_scattering_functions): Declared.
5538         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5539         GMP values, not integers!
5540         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5541         ppl_read_polyhedron_matrix): New.
5542         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5543         debug_ppl_polyhedron_matrix,
5544         ppl_read_polyhedron_matrix): Declared.
5545         * Makefile.in (graphite-poly.o): Depends on output.h.
5546
5547 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5548             Tobias Grosser  <grosser@fim.uni-passau.de>
5549
5550         Revert this change:
5551         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5552         scalar evolutions in the scop_entry->loop_father.
5553
5554 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5555             Tobias Grosser  <grosser@fim.uni-passau.de>
5556
5557         * graphite.h (ref_nb_loops): Remove declaration.
5558         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5559         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5560         debug_gbb): Moved to sese.h.
5561         * sese.h: As said.
5562
5563 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5564             Tobias Grosser  <grosser@fim.uni-passau.de>
5565
5566         * graphite-data-ref.[ch]: Disable.
5567
5568 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5569             Tobias Grosser  <grosser@fim.uni-passau.de>
5570
5571         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5572         scalar evolutions in the scop_entry->loop_father.
5573
5574 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5575
5576         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5577         (graphite_cannot_represent_loop_niter): Renamed
5578         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5579         (limit_scops): build_sese_loop_nests does not return a bool.
5580         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5581         * sese.c (nb_reductions_in_loop): ... from here.
5582         (graphite_loop_normal_form): ... from here.
5583         (sese_record_loop): Does not fail, so does not return a bool.
5584         (build_sese_loop_nests): Same.
5585         * sese.h (build_sese_loop_nests): Update declaration.
5586         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5587         (build_graphite_loop_normal_form): New.
5588         (gloog): Call build_graphite_loop_normal_form.
5589         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5590         build_sese_loop_nests.
5591
5592         * gcc.dg/graphite/id-1.c: New.
5593
5594 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5595             Tobias Grosser  <grosser@fim.uni-passau.de>
5596
5597         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5598         The SCoP detection fix is sufficient.
5599
5600 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5601
5602         PR tree-optimization/39260
5603         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5604         the basic block contains a condition with a real type.
5605         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5606
5607         * gcc.dg/graphite/pr39260.c: New.
5608
5609 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5610
5611         * graphite-poly.c: Inlcude params.h.
5612         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5613         the size of a tile.
5614         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5615         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5616
5617 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5618             Tobias Grosser  <grosser@fim.uni-passau.de>
5619
5620         * graphite-scop-detection.c (dot_all_scops_1,
5621         dot_all_scops): Moved here.
5622         * graphite-scop-detection.h (dot_all_scops): Declared here.
5623         * graphite.c (graphite_initialize, graphite_finalize): New.
5624         (graphite_transform_loops): Cleaned up.
5625         * sese.c (debug_oldivs): Moved here.
5626         * graphite-poly.c (graphite_apply_transformations): Renamed
5627         apply_poly_transforms.
5628         (debug_loop_vec): Moved here.
5629         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5630         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5631         find_scop_parameters, build_scop_iteration_domain,
5632         add_conditions_to_constraints, build_scop_canonical_schedules,
5633         build_scop_data_accesses): Now static.
5634         (build_poly_scop, check_poly_representation): New.
5635
5636 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5637
5638         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5639         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5640         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5641         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5642         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5643         scan_tree_for_params, struct irp_data, dx_record_params,
5644         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5645         build_loop_iteration_domains, add_conditions_to_domain,
5646         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5647         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5648         build_sese_conditions, add_conditions_to_constraints,
5649         build_scop_iteration_domain, build_access_matrix_with_af,
5650         build_access_matrix,
5651         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5652
5653         * graphite-sese-to-poly.c: New.
5654         * graphite-sese-to-poly.h: New.
5655
5656         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5657
5658 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5659
5660         * graphite.c: Split graphite code generation to a new file.
5661         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5662         max_precision_type, clast_to_gcc_expression_red,
5663         clast_to_gcc_expression, gcc_type_for_clast_expr,
5664         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5665         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5666         graphite_create_new_guard, clast_get_body_of_loop,
5667         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5668         graphite_create_new_loop, build_iv_mapping, copy_renames,
5669         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5670         compute_cloog_iv_types, free_scattering, save_var_name,
5671         initialize_cloog_names, build_scop_context, build_cloog_prog,
5672         set_cloog_options, debug_clast_stmt, scop_to_clast,
5673         print_generated_program, debug_generated_program,
5674         gloog): Moved to graphite-clast-to-gimple.c.
5675
5676         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5677
5678         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5679         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5680         loop_iv_stack_pop, loop_iv_stack_get_iv,
5681         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5682         free_loop_iv_stack, loop_iv_stack_remove_constants,
5683         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5684         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5685         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5686         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5687         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5688         get_vdef_before_sese, sese_adjust_vphi,
5689         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5690         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5691         is_iv, expand_scalar_variables_ssa_name,
5692         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5693         expand_scalar_variables, rename_variables, remove_condition,
5694         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5695         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5696         default_liveout_before_guard, add_guard_exit_phis,
5697         insert_guard_phis, register_old_and_new_names,
5698         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5699         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5700         if_region_set_false_region, create_if_region_on_edge,
5701         move_sese_in_condition): Moved to sese.c.
5702
5703         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5704         if_region_exit, if_region_get_condition_block,
5705         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5706         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5707         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5708         ivtype_map_elt, new_ivtype_map_elt,
5709         recompute_all_dominators): Moved to sese.h.
5710
5711         * graphite-clast-to-gimple.c: New.
5712         * graphite-clast-to-gimple.h: New.
5713         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5714         * sese.c: Modified as said above.
5715         * sese.h: Same.
5716
5717 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5718
5719         * graphite.c: Split scop detection to a new file.
5720         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5721         move_sd_regions, loop_affine_expr, exclude_component_ref,
5722         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5723         graphite_cannot_represent_loop_niter, struct scopdet_info,
5724         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5725         find_single_entry_edge, find_single_exit_edge,
5726         create_single_entry_edge, sd_region_without_exit,
5727         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5728         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5729         Moved to graphite-scop-detection.c.
5730
5731         * graphite-scop-detection.c: New.
5732         * graphite-scop-detection.h: New.
5733         * Makefile.in: Add new rule for graphite-scop-detection.o.
5734
5735         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5736         tree-scalar-evolution.h.
5737         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5738         build_sese_loop_nests): Moved here from graphite.c.
5739         (param_index): Renamed parameter_index_in_region.
5740
5741 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5742             Sebastian Pop  <sebastian.pop@amd.com>
5743
5744         * gcc.dg/graphite/block-0.c: Expected to fail now.
5745         * gcc.dg/graphite/block-1.c: Same.
5746         * gcc.dg/graphite/block-5.c: Same.
5747         * gcc.dg/graphite/block-6.c: Same.
5748
5749 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5750             Sebastian Pop  <sebastian.pop@amd.com>
5751
5752         * graphite.h: Separate from graphite_bb_p the polyhedral
5753         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5754         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5755         graphite-data-ref.h.
5756         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5757         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5758         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5759         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5760         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5761         scop_nb_params): Moved to graphite-poly.h.
5762         * graphite-data-ref.c: Same.
5763         * graphite-data-ref.h: New.
5764         * graphite.c: Same.
5765         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5766         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5767         is_interchange_valid, graphite_trans_bb_block,
5768         graphite_trans_loop_block, scop_max_loop_depth,
5769         graphite_trans_scop_block, graphite_apply_transformations,
5770         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5771         graphite-poly.c.
5772         * graphite-poly.h: New.
5773         * graphite-poly.c: New.
5774         * Makefile.in (OBJS-common): Add graphite-poly.o.
5775         (graphite-poly.o): New rule.
5776         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5777         (DR_SCOP): Removed.
5778
5779 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5780             Tobias Grosser  <grosser@fim.uni-passau.de>
5781
5782         * graphite.c: Replace gb -> gbb.
5783         * graphite.h: Same.
5784         * graphite-data-ref.c: Same.
5785
5786 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5787             Tobias Grosser  <grosser@fim.uni-passau.de>
5788
5789         * Makefile.in (OBJS-commmon): Add sese.o.
5790         (sese.o): New.
5791         (graphite.o): Add sese.h.
5792         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5793         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5794         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5795         Move to sese.
5796         (block_before_scop): Add missing return.
5797         (new_scop, free_scop): Remove SESE data structures.
5798         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5799         find_scop_parameters, build_loop_iteration_domains,
5800         add_conditions_to_domain, register_scop_liveout_renames,
5801         copy_bb_and_scalar_dependences): Scop -> SESE.
5802
5803         (add_conditions_to_domain): SCoP -> SESE and remove check
5804         (scop_contains_non_iv_scalar_phi_nodes): New.
5805         (build_scop_conditions_1, build_scop_conditions): Remove check for
5806         non iv scalar phi nodes.
5807         (print_scop_statistics): New.
5808         (graphite_transform_loops): Cleanup.
5809
5810         * graphite.h: Move to sese & cleanup.
5811         * sese.c: New.
5812         * sese.h: New.
5813
5814 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5815             Tobias Grosser  <grosser@fim.uni-passau.de>
5816
5817         * graphite.c (build_scop_conditions_1): Conditions are only
5818         at the end of a basic block.
5819
5820 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5821             Tobias Grosser  <grosser@fim.uni-passau>
5822
5823         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5824         field.
5825         (GBB_ALPHA): Removed.
5826
5827 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5828             Tobias Grosser  <grosser@fim.uni-passau.de>
5829
5830         * graphite-data-ref.c (graphite_test_dependence): Don't use
5831         GBB_DYNAMIC_SCHEDULE.
5832         * graphite.c (new_graphite_bb): Same.
5833         (free_graphite_bb): Same.
5834         (build_scop_dynamic_schedules): Removed.
5835         (graphite_transform_loops): Don't call it.
5836         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5837         (GBB_DYNAMIC_SCHEDULE): Removed.
5838
5839 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5840             Tobias Grosser  <grosser@fim.uni-passau.de>
5841
5842         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5843         (print_graphite_bb): Same.
5844         (build_cloog_prog): Same.
5845
5846 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5847             Tobias Grosser  <grosser@fim.uni-passau.de>
5848
5849         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5850
5851 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5852             Tobias Grosser  <grosser@fim.uni-passau.de>
5853
5854         * graphite.c (build_scop_context): Don't use CloogMatrix.
5855         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5856         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5857
5858 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5859             Tobias Grosser  <grosser@fim.uni-passau.de>
5860
5861         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5862         liveout_renames, add_params fields...
5863         (struct sese): ... here.
5864         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5865         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5866
5867 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5868             Tobias Grosser  <grosser@fim.uni-passau.de>
5869
5870         * graphite.c (print_scop): Do not print the CLooG program.
5871         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5872         build_cloog_prog, gloog): Don't use SCOP_PROG.
5873         (find_transform): Renamed scop_to_clast.
5874         (print_generated_program, debug_generated_program): New.
5875         (graphite_transform_loops): Adapt to new interface.
5876         * graphite.h (struct scop): Remove program field.
5877         (SCOP_PROG): Removed.
5878         (print_generated_program, debug_generated_program): Declared.
5879
5880 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5881
5882         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5883         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5884         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5885         free_graphite_bb, build_scop_canonical_schedules,
5886         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5887         schedules are now represented using a ppl_Linear_Expression_t.
5888         * graphite.h (struct graphite_bb): Same.
5889         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5890         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5891
5892 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5893
5894         * graphite.c: Free local memory.
5895         * graphite-ppl.c: Same.
5896
5897 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5898
5899         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5900         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5901         swap_constraint_variables, scale_constraint_variable): Removed.
5902         (graphite_trans_bb_strip_mine): Remove pong.
5903         * graphite-ppl.c: Include missing header files.
5904         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5905         * graphite-ppl.h (ppl_strip_loop): Declared.
5906         * Makefile.in (graphite-ppl.o): Adjust dependences.
5907
5908 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5909
5910         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5911         (build_scop_iteration_domain): Same.
5912
5913 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5914
5915         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5916         ping pong.
5917         (add_value_to_dim, scan_tree_for_params_right_scev,
5918         scan_tree_for_params_int): New.
5919         * graphite-ppl.c (oppose_constraint): New.
5920         (insert_constraint_into_matrix): Implement missing cases.
5921         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5922
5923 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5924
5925         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5926         use ppl_move_dimension.
5927
5928 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5929
5930         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5931         * graphite.c: Same.
5932         * graphite.h: Same.
5933         * graphite-ppl.c: Same.
5934         * graphite-ppl.h: Same.
5935
5936 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5937
5938         Revert last 3 commits.
5939
5940 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5941
5942         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5943         ping pong.
5944         (add_value_to_dim, scan_tree_for_params_right_scev,
5945         scan_tree_for_params_int): New.
5946         * graphite-ppl.c (oppose_constraint): New.
5947         (insert_constraint_into_matrix): Implement missing cases.
5948         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5949
5950 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5951
5952         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5953
5954 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5955             Tobias Grosser  <grosser@fim.uni-passau.de>
5956
5957         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5958         use ppl_move_dimension.
5959         * graphite-ppl.c (ppl_move_dimension): New.
5960         * graphite-ppl.h (ppl_move_dimension): Declared.
5961
5962 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5963
5964         * graphite.c: Do not include cloog/cloog.h.
5965         (print_graphite_bb): Remove ping pong, call PPL print function.
5966
5967 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5968
5969         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5970         (graphite.o): Add dependence on graphite-ppl.h.
5971         (graphite-ppl.o): New.
5972         (graphite-data-ref.c): Ping pong between PPL data structures
5973         and matrices.
5974         * graphite-ppl.c: New.
5975         * graphite-ppl.h: New.
5976         * graphite.c: Include graphite-ppl.h.
5977         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5978         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5979         Ping pong between PPL data structures and matrices.
5980         (new_graphite_bb): Create a PPL constraint system.
5981         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5982         (build_loop_iteration_domains): Use PPL functions.
5983         * graphite.h: Include graphite-ppl.h.  Fix comments.
5984         (graphite_bb): Use a ppl_Constraint_System_t instead of
5985         CloogMatrix for representing the domain.
5986         (scop): Remove static_schedule.
5987         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5988
5989 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5990
5991         * graphite.c: Fix some comments.
5992
5993 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5994
5995         PR middle-end/38953
5996         * graphite.c (if_region_set_false_region): After moving a region
5997         in the false branch of a condition, remove the empty dummy
5998         basic block.
5999         (gloog): Remove wrong fix for PR38953.
6000
6001 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6002
6003         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6004         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6005         register_bb_in_sese, new_sese, free_sese): Moved.
6006         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6007         outermost_loop_in_scop, build_scop_iteration_domain,
6008         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6009         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6010         Use loop_in_sese_p instead of loop_in_scop_p.
6011         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
6012         (free_scop): Do not free SCOP_BBS_B.
6013         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
6014         ref_nb_loops): Moved here...
6015         * graphite.h (ref_nb_loops): ... from here.
6016         (struct scop): Remove bbs_b bitmap.
6017         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6018         * gcc.dg/graphite/scop-19.c: New
6019
6020 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6021
6022         * graphite.c (scopdet_basic_block_info): Fix bug in scop
6023         detection.
6024
6025 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6026
6027         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6028         eq_loop_to_cloog_loop): Remove.
6029         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
6030         * graphite.h (struct scop): Remove loop2cloog_loop.
6031         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6032
6033 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6034
6035         * opts.c (decode_options): Only add graphite options to O2
6036         if we compile with graphite enabled.
6037
6038 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6039
6040         * Merge from mainline (r143163:143684).
6041
6042 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6043
6044         * graphite.c (debug_value): Removed.
6045         * graphite.h (debug_value): Removed.
6046
6047 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6048
6049         * passes.c (init_optimization_passes): Do not call pass_copy_prop
6050         after graphite: pass_copy_prop does not maintain a proper loop closed
6051         SSA form.  pass_copy_prop should be fixed.
6052
6053 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6054
6055         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
6056
6057 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6058
6059         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6060         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6061         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6062         changed the CFG.
6063
6064 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6065
6066         * graphite.c (gloog): Return true when code gen succeeded.
6067         (graphite_transform_loops): Do not call cleanup_tree_cfg if
6068         the code of the function did not changed.  After cleanup_tree_cfg
6069         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
6070         form.
6071
6072 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
6073
6074         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6075         gimple_call_lhs is NULL.
6076
6077 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6078             Tobias Grosser  <tobi.grosser@amd.com>
6079
6080         * graphite.c (graphite_trans_scop_block): Do not block single
6081         nested loops.
6082
6083 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6084             Tobias Grosser  <tobi.grosser@amd.com>
6085
6086         * graphite.c (build_scop_canonical_schedules): Start schedules at
6087         zero.
6088
6089 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6090             Tobias Grosser  <tobi.grosser@amd.com>
6091
6092         * graphite.c (compare_prefix_loops): New.
6093         (build_scop_canonical_schedules): Rewritten.
6094         (graphite_transform_loops): Move build_scop_canonical_schedules
6095         after build_scop_iteration_domain.
6096
6097 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6098             Tobias Grosser  <tobi.grosser@amd.com>
6099
6100         * graphite.c (add_conditions_to_domain): Add the loops to
6101         the dimension of the iteration domain.  Do copy the domain
6102         only when it exists.
6103         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6104         (add_conditions_to_constraints): New.
6105         (can_generate_code_stmt, can_generate_code): Removed.
6106         (gloog): Do not call can_generate_code.
6107         (graphite_transform_loops): Call add_conditions_to_constraints
6108         after building the iteration domain.
6109
6110 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6111             Tobias Grosser  <tobi.grosser@amd.com>
6112             Jan Sjodin  <jan.sjodin@amd.com>
6113
6114         * graphite.c (scan_tree_for_params): On substractions negate
6115         all the coefficients of the term.
6116         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6117         of more than two operands.
6118         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6119         (get_vdef_before_scop): Handle also the case of default definitions.
6120
6121 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6122
6123         PR middle-end/38431
6124         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6125         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6126         (gloog): Do not call cleanup_tree_cfg.
6127         (graphite_transform_loops): Call cleanup_tree_cfg after all
6128         scops have been code generated.
6129
6130 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6131
6132         * passes.c (init_optimization_passes): Schedule after
6133         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
6134
6135 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6136
6137         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
6138         Fix comment.
6139         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
6140         Set the type of an expression to the type of its assign statement.
6141         (expand_scalar_variables_expr):  Do not pass loop_p.
6142         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6143         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6144         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6145
6146 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6147
6148         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
6149         an expression to the gimple_expr_type of its assign statement.
6150         (expand_scalar_variables_expr): Stop recursion on tcc_constant
6151         or tcc_declaration.
6152
6153 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6154
6155         PR tree-optimization/38786
6156         * gcc.dg/graphite/pr38786.c: New.
6157         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6158         the SSA_NAME case of expand_scalar_variables_expr.
6159         (expand_scalar_variables_expr): Also gather the scalar computation
6160         used to index the memory access.
6161         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6162         the gimple_stmt_iterator where it inserts new code.
6163
6164 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6165
6166         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
6167
6168 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6169
6170         * opts.c (decode_options): Enable flag_graphite_identity and
6171         flag_loop_block in -O2 and above.
6172
6173 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6174
6175         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
6176         Fix merge problem: replace with the file from trunk.
6177
6178 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6179
6180         * Merge from mainline (r141727:143163).
6181
6182 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6183             Jan Sjodin  <jan.sjodin@amd.com>
6184
6185         PR tree-optimization/38559
6186         * gcc.dg/graphite/pr38559.c: New.
6187
6188         * graphite.c (debug_value, copy_constraint,
6189         swap_constraint_variables, scale_constraint_variable, ): New.
6190         (get_lower_bound, get_upper_bound): Removed.
6191         (graphite_trans_bb_strip_mine): Clean up this code that works
6192         only for constant number of iterations.  Fully copy upper and
6193         lower bound constraints, not only the constant part of them.
6194         * graphite.h (debug_value): Declared.
6195
6196 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6197
6198         PR tree-optimization/38492
6199         PR tree-optimization/38498
6200         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6201         * tree-chrec.h (scev_is_linear_expression): Declared.
6202         * graphite.c (graphite_cannot_represent_loop_niter): New.
6203         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6204         (graphite_loop_normal_form): Use gcc_assert.
6205         (scan_tree_for_params): Use CASE_CONVERT.
6206         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6207         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6208         Use gcc_assert.  Discard scops that contain unhandled cases.
6209         (build_scop_conditions): Return a boolean status for unhandled cases.
6210         (strip_mine_profitable_p): Print the loop number, not its depth.
6211         (is_interchange_valid): Pass the depth of the loop nest, don't
6212         recompute it wrongly.
6213         (graphite_trans_bb_block): Same.
6214         (graphite_trans_bb_block): Print tentative of loop blocking.
6215         (graphite_trans_scop_block): Do not print that the loop has been
6216         blocked.
6217         (graphite_transform_loops): Do not handle scops that contain condition
6218         scalar phi nodes.
6219
6220         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6221         in trunk.
6222         * gcc.dg/graphite/block-0.c: Update test.
6223         * gcc.dg/graphite/block-1.c: Same.
6224         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6225         blocking.
6226         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6227         * gcc.dg/graphite/block-3.c: New.
6228         * gcc.dg/graphite/pr38498.c: New.
6229
6230 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6231
6232         PR tree-optimization/38510
6233         * gcc.dg/graphite/pr38510.c: New.
6234         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6235           (translate_clast): Call recompute_all_dominators before
6236           graphite_verify.
6237           (gloog): Call recompute_all_dominators before graphite_verify.
6238
6239 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6240
6241         PR tree-optimization/38492
6242         * graphite.c (rename_map_elt, debug_rename_elt,
6243         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6244         rename_map_elt_info, eq_rename_map_elts,
6245         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6246         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6247         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6248         (sese_build_livein_liveouts): New.
6249         (new_sese, free_sese): New.
6250         (new_scop): Call new_sese.
6251         (free_scop): Call free_sese.
6252         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6253         (register_old_new_names): Renamed register_old_and_new_names.
6254         (register_scop_liveout_renames, add_loop_exit_phis,
6255         insert_loop_close_phis, struct igp,
6256         default_liveout_before_guard, add_guard_exit_phis,
6257         insert_guard_phis, copy_renames): New.
6258         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6259         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6260         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6261         (scop_adjust_phis_for_liveouts): New.
6262         (gloog): Call scop_adjust_phis_for_liveouts.
6263
6264         * graphite.h (struct sese): Documented.  Added fields liveout,
6265         num_ver and livein.
6266         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6267         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6268         (struct scop): Added field liveout_renames.
6269         (SCOP_LIVEOUT_RENAMES): New.
6270
6271 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6272
6273         PR tree-optimization/38409
6274         * gcc.dg/graphite/pr38409.c: New.
6275         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6276
6277 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6278
6279         * graphite.c (gcc_type_for_cloog_iv): By default return
6280         integer_type_node.
6281         (graphite_create_new_loop): Don't fold_convert the already
6282         fold_convert-ed expression.
6283
6284 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6285
6286         PR tree-optimization/38446
6287         * gcc.dg/graphite/pr38446.c: New.
6288         * graphite.c (register_bb_in_sese): New.
6289         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6290         looking at the bbs in the region.
6291         * graphite.h (sese): Add region_basic_blocks pointer set to
6292         structure and initialize at the time of defining new scop.
6293
6294 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6295
6296         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6297         (find_params_in_bb): Do not free data refs.
6298         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6299
6300 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6301
6302         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6303         * gcc.dg/graphite/scop-17.c: Same.
6304         * gcc.dg/graphite/block-5.c: New.
6305         * gcc.dg/graphite/block-6.c: New.
6306         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6307         * gcc.dg/graphite/pr37684.c: Same.
6308         * gcc.dg/graphite/block-2.c: Same.
6309
6310         * graphite.c (struct ivtype_map_elt): New.
6311         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6312         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6313         gcc_type_for_cloog_iv): New.
6314         (loop_iv_stack_patch_for_consts): Use the type of the induction
6315         variable from the original loop, except for the automatically
6316         generated loops, i.e., in the case of a strip-mined loop, in
6317         which case there is no original loop: in that case just use
6318         integer_type_node.
6319         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6320         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6321         (clast_name_to_gcc): Accept params to be NULL.
6322         (clast_to_gcc_expression): Take an extra parameter for the type.
6323         Convert to that type all the expressions built by this function.
6324         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6325         (graphite_translate_clast_equation): Compute the type of the
6326         clast_equation before translating its LHS and RHS.
6327         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6328         (graphite_create_new_loop): Compute the type of the induction
6329         variable before translating the lower and upper bounds and before
6330         creating the induction variable.
6331         (rename_variables_from_edge, rename_phis_end_scop): New.
6332         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6333         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6334         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6335         compute_cloog_iv_types): New.
6336         (gloog): Call compute_cloog_iv_types before starting the
6337         translation of the clast.
6338
6339         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6340         (GBB_CLOOG_IV_TYPES): New.
6341         (debug_ivtype_map): Declared.
6342         (oldiv_for_loop): New.
6343
6344 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6345
6346         PR middle-end/38459
6347         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6348         (param_index): Assert if parameter is not know after parameter
6349         detection.
6350         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6351         (find_scop_parameters): Mark, that we have finished parameter
6352         detection.
6353         (graphite_transform_loops): Move condition detection before parameter
6354         detection.
6355         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6356         * gfortran.dg/graphite/pr38459.f90: New.
6357
6358 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6359
6360         * graphite.c (graphite_transform_loops): Always call find_transform ()
6361         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6362         generate code.
6363
6364 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6365
6366         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6367         (print_scop): Ditto.
6368
6369 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6370
6371         PR middle-end/38084
6372         Fix gfortran.dg/graphite/id-3.f90.
6373         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6374         regions more than once.
6375
6376 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6377
6378         Fix gfortran.dg/graphite/id-4.f90.
6379         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6380         when not needed.
6381
6382 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6383
6384         Fix gfortran.dg/graphite/id-1.f90.
6385         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6386         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6387         (max_precision_type): New.
6388         (value_clast): Removed.
6389         (clast_to_gcc_expression): Be more careful to types of expressions.
6390         Use max_precision_type and update use of gmp_cst_to_tree.
6391         (graphite_translate_clast_equation): Use max_precision_type.
6392         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6393         use the type of the condition.
6394         (graphite_create_new_loop): Do not use integer_type_node, use the
6395         max_precision_type of lb and ub.
6396
6397 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6398
6399         * graphite.c (build_scops_1): Initialize open_scop.exit
6400         and sinfo.last.
6401
6402 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6403
6404         * gcc.dg/graphite/pr38084.c: New.
6405         * gfortran.dg/graphite/id-1.f90: New.
6406         * gfortran.dg/graphite/id-2.f90: New.
6407         * gfortran.dg/graphite/id-3.f90: New.
6408         * gfortran.dg/graphite/id-4.f90: New.
6409         * gfortran.dg/graphite/pr37857.f90: New.
6410
6411 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6412             Jan Sjodin  <jan.sjodin@amd.com>
6413             Harsha Jagasia  <harsha.jagasia@amd.com>
6414
6415         PR middle-end/37852
6416         PR middle-end/37883
6417         PR middle-end/37928
6418         PR middle-end/37980
6419         PR middle-end/38038
6420         PR middle-end/38039
6421         PR middle-end/38073
6422         PR middle-end/38083
6423         PR middle-end/38125
6424
6425         * gcc.dg/graphite/pr38073.c: New.
6426         * gcc.dg/graphite/pr37928.c: New.
6427         * gcc.dg/graphite/pr37883.c: New.
6428         * gcc.dg/graphite/pr38125.c: New.
6429         * gfortran.dg/graphite/pr38083.f90: New.
6430         * gfortran.dg/graphite/pr37852.f90: New.
6431         * gfortran.dg/graphite/pr37980.f90: New.
6432
6433         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6434         the number of detected scops.  Copy exact same test for loop
6435         blocking...
6436         * gcc.dg/graphite/block-1.c: Fix the number of expected
6437         loops to be blocked as reductions are not handled.
6438         * gcc.dg/graphite/block-4.c: ...here.  New.
6439
6440         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6441         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6442         ...here.
6443         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6444         * Makefile.in (graphite.o): Depend on value-prof.h.
6445         (graphite.o-warn): Removed -Wno-error.
6446         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6447         to be a NULL pointer.  Call update_stmt.  Return the newly created
6448         cannonical induction variable.
6449
6450         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6451
6452         * graphite.c: Reimplement the code generation from graphite to gimple.
6453         Include value-prof.h.
6454         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6455         (get_old_iv_from_ssa_name): Removed.
6456         (graphite_stmt_p): New.
6457         (new_graphite_bb): Test for useful statements before building a
6458         graphite statement for the basic block.
6459         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6460         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6461         reason.
6462         (recompute_all_dominators, graphite_verify,
6463         nb_reductions_in_loop, graphite_loop_normal_form): New.
6464         (scop_record_loop): Call graphite_loop_normal_form.
6465         (build_scop_loop_nests): Iterate over all the blocks of the
6466         function instead of relying on the incomplete information from
6467         SCOP_BBS.  Return the success of the operation.
6468         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6469         (add_bb_domains): Removed.
6470         (build_loop_iteration_domains): Don't call add_bb_domains.
6471         Add the iteration domain only to the basic blocks that have been
6472         translated to graphite.
6473         (build_scop_conditions_1): Add constraints only if the basic
6474         block have been translated to graphite.
6475         (build_scop_data_accesses): Completely disabled until data
6476         dependence is correctly implemented.
6477         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6478         (remove_all_edges_1, remove_all_edges): Removed.
6479         (get_new_name_from_old_name): New.
6480         (graphite_rename_variables_in_stmt): Renamed
6481         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6482         Use replace_exp and update_stmt.
6483         (is_old_iv): Renamed is_iv.
6484         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6485         Use replace_exp and update_stmt.
6486         (expand_scalar_variables_expr): Same.  Use the map to get the
6487         new names for the renaming of induction variables and for the
6488         renaming of variables after a basic block has been copied.
6489         (expand_scalar_variables): Same.
6490         (graphite_rename_variables): Renamed rename_variables.
6491         (move_phi_nodes): Removed.
6492         (get_false_edge_from_guard_bb): New.
6493         (build_iv_mapping): Do not insert the induction variable of a
6494         loop in the renaming iv map if the basic block does not belong
6495         to that loop.
6496         (register_old_new_names, graphite_copy_stmts_from_block,
6497         copy_bb_and_scalar_dependences): New.
6498         (translate_clast): Heavily reimplemented: copy basic blocks,
6499         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6500         At each translation step call graphite_verify ensuring the
6501         consistency of the SSA, loops and dominators information.
6502         (collect_virtual_phis, find_vdef_for_var_in_bb,
6503         find_vdef_for_var_1, find_vdef_for_var,
6504         patch_phis_for_virtual_defs): Removed huge hack.
6505         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6506         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6507         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6508         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6509         if_region_get_condition_block, if_region_set_false_region,
6510         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6511         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6512         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6513         rewrite_into_sese_closed_ssa): New.
6514         (gloog): Remove dead code.  Early return if code cannot be
6515         generated.  Call cleanup_tree_cfg once the scop has been code
6516         generated.
6517         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6518         block loops with less than two loops.
6519         (graphite_apply_transformations): Remove the call to
6520         scop_remove_ignoreable_gbbs.
6521         (limit_scops): When build_scop_loop_nests fails, continue on
6522         the next scop.  Fix open_scop.entry.
6523         (graphite_transform_loops): Call recompute_all_dominators: force the
6524         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6525         Call initialize_original_copy_tables and free_original_copy_tables
6526         to be able to copy basic blocks during code generation.
6527         When build_scop_loop_nests fails, continue on next scop.
6528         (value_clast): New union.
6529         (clast_to_gcc_expression): Fix type cast warning.
6530
6531 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6532
6533         * Merge from mainline (r140838:141727).
6534
6535 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6536
6537         PR middle-end/37833
6538
6539         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6540
6541 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6542
6543         PR middle-end/37943
6544
6545         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6546         exits and conditions.
6547         * gcc.dg/graphite/pr37943.c: New.
6548
6549 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6550
6551         PR middle-end/37886
6552         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6553
6554 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6555
6556         * doc/invoke.texi: Fix spaces.
6557
6558 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6559
6560         PR tree-optimization/37891
6561         Reverted last commit.
6562         * graphite.c (create_single_entry_edge): Set
6563         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6564
6565 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6566             Mitul Thakkar  <mitul.thakkar@amd.com>
6567
6568         * graphite.c (create_single_entry_edge): Set
6569         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6570
6571 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6572
6573         * doc/invoke.texi: Add -fgraphite-identity.
6574         * graphite.c (graphite_apply_transformations): Check for
6575         -fgraphite-identity.
6576         * toplev.c (process_options): Add flag_graphite_identity.
6577         * tree-ssa-loop.c: Add flag_graphite_identity.
6578
6579 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6580
6581         Undo changes from 2008-10-02:
6582         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6583         operand type when copying the operand to a variable of different type.
6584         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6585         with the IV name after increment.
6586
6587 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6588             Harsha Jagasia  <harsha.jagasia@amd.com>
6589
6590         PR tree-optimization/37828
6591         * gcc.dg/graphite/pr37828.c: New.
6592         * graphite.c (graphite_trans_loop_block): Do not loop block
6593         single nested loops.
6594
6595 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6596             Sebastian Pop  <sebastian.pop@amd.com>
6597
6598         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6599         rename_map_elt_info, eq_rename_map_elts): New.
6600         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6601         (expand_scalar_variables_expr): Change parameters.
6602         (expand_scalar_variables_stmt): Same.
6603         (expand_scalar_variables): Same.
6604         (graphite_rename_ivs): Rename graphite_rename_variables.
6605         (build_iv_mapping): New.
6606         (translate_clast): Call build_iv_mapping.
6607         * graphite.h (gbb_p): New name.
6608
6609 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6610
6611         PR tree-optimization/37684
6612         * gcc.dg/graphite/pr37684.c: New.
6613         * graphite.c (exclude_component_ref): New.
6614         (is_simple_operand): Call exclude_component_ref.
6615
6616 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6617             Harsha Jagasia  <harsha.jagasia@amd.com>
6618
6619         PR tree-optimization/37485
6620         * gcc.dg/graphite/block-2.c: New
6621         * graphite.c (gmp_cst_to_tree): Moved.
6622         (iv_stack_entry_is_constant): New.
6623         (iv_stack_entry_is_iv): New.
6624         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6625         (loop_iv_stack_insert_constant): New.
6626         (loop_iv_stack_pop): Use new datatpype.
6627         (loop_iv_stack_get_iv): Same.
6628         (loop_iv_stack_get_iv_from_name): Same.
6629         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6630         (loop_iv_stack_patch_for_consts): New.
6631         (loop_iv_stack_remove_constants): New.
6632         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6633         (translate_clast): Call loop_iv_stack_patch_for_consts and
6634         loop_iv_stack_remove_constants.
6635         (gloog): Use new datatype.  Redirect construction edge to end
6636         block to avoid accidental deletion.
6637         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6638         iv stack entry.
6639         (union iv_stack_entry_data): New.  Data in iv stack entry.
6640         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6641
6642 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6643
6644         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6645         operand type when copying the operand to a variable of different type.
6646
6647 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6648
6649         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6650         with the IV name after increment.
6651
6652 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6653
6654         * Merge from mainline (r140164:140838).
6655
6656 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6657
6658         * graphite-data-ref.c: New.
6659         * graphite.c (print_scop): Also dump the dependence graph.
6660         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6661         (new_scop): Initialize SCOP_DEP_GRAPH.
6662         (build_scop_dynamic_schedules): New.
6663         (build_access_matrix_with_af): Fixed column numbering.
6664         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6665         * graphite.h: Add ifndef/define guards against multiple inclusion.
6666         (struct scop): Add dep_graph field.
6667         (SCOP_DEP_GRAPH): Defined.
6668         (ref_nb_loops): Fixed and moved to other position.
6669         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6670         (nb_loops_around_loop_in_scop): New.
6671         (graphite_dump_dependence_graph): Declared.
6672         (graphite_build_rdg_all_levels): Declared.
6673         (graphite_test_dependence): Declared.
6674         * Makefile.in (graphite-data-ref.o): New target.
6675
6676 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6677
6678         * Merge from mainline (139870:140164).
6679
6680 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6681
6682         * Merge from mainline (138275:139870).
6683         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6684         the commits from trunk broke the niter detection.
6685
6686 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6687
6688         * graphite.c: Add more documentation.  Fix formatting.
6689         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6690         loop_iv_stack_debug): Moved...
6691         (schedule_to_scattering): Move before use.
6692         (dot_all_scops): Include in "#if 0" the code for system
6693         call dotty.
6694
6695         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6696         loop_iv_stack_debug): ...here.
6697
6698 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6699
6700         * tree-phinodes.c (make_phi_node): Extern.
6701         (add_phi_node_to_bb): New.
6702         (create_phi_node): Call add_phi_node_to_bb.
6703         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6704         (remove_statement): Handle case where stored phi was updated
6705         and is no longer the same.
6706         * graphite.c (is_parameter): New.
6707         (is_old_iv): New.
6708         (expand_scalar_variables_expr): New.
6709         (expand_scalar_variables_stmt): New.
6710         (expand_scalar_variables): New.
6711         (move_phi_nodes): Create new phi instead of moving old one.
6712         (translate_clast): Call expand_scalar_variables.
6713         (find_vdef_for_var_in_bb): Also scan regular definitions.
6714         (skip_phi_defs): New.
6715         (collect_scop_exit_phi_args): New.
6716         (patch_scop_exit_phi_args): New.
6717         (gloog): Patch phis after scop.
6718         * tree-flow.h: (add_phi_node_to_bb): Declared.
6719         (make_phi_node): Declared.
6720
6721 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6722
6723         * graphite.c (end_scop): Split the entry of the scop when it
6724         is the header of the loop in which the scop is ending.
6725         (build_scops_1, limit_scops): Update uses of end_scop.
6726
6727 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6728
6729         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6730         SCOP_ENTRY or SCOP_EXIT.
6731
6732 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6733
6734         * graphite.c (get_construction_edge): Removed.
6735         (gloog): Construction edge is the scop entry edge.
6736
6737 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6738
6739         * graphite.c (can_generate_for_scop): Removed.
6740         (gloog): Do not call it.
6741
6742 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6743
6744         * graphite.c (new_scop): Entry of a scop is an edge.
6745         Initialize SESE region.
6746         (free_scop): Free SESE region.
6747         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6748         (split_difficult_bb): New, split from end_scop.
6749         (end_scop): Exit of a scop is an edge.
6750         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6751         not automatically updated and thus is always wrong.
6752         * graphite.h (struct sese): New.
6753         (SESE_ENTRY): New.
6754         (SESE_EXIT): New.
6755         (struct scop): New field for a SESE region.  Remove entry, exit.
6756         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6757         semantics as before.  Moved comment around.
6758
6759 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6760             Sebastian Pop  <sebastian.pop@amd.com>
6761
6762         * graphite.c (graphite_transform_loops): Always enable gloog
6763         and find_transform when ENABLE_CHECKING.
6764
6765 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6766
6767         * graphite.c (graphite_transform_loops): Move pretty printer
6768         of SCOPs before doing any transform.  Remove call to print_scops
6769         and dot_all_scops_1.
6770
6771 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6772
6773         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6774         (print_graphite_bb): Same.
6775
6776 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6777
6778         * graphite.c (dot_all_scops_1): Cleanup.
6779         (move_scops): Fix comment.
6780
6781 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6782
6783         * graphite.c (build_scop_bbs): Revert commit 139355:
6784
6785         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6786                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6787
6788                 * graphite.c (build_scop_bbs): Factor up code.
6789
6790 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6791
6792         * graphite.c (gloog): Update dominator info.
6793
6794 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6795
6796         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6797
6798 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6799
6800         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6801         initialization.
6802         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6803         (translate_clast): Correct formatting.
6804         * graphite.h (struct num_map): Removed.
6805         (struct graphite_bb): Remove num_map field.
6806         (GBB_INDEX_TO_NUM_MAP): Removed.
6807
6808 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6809
6810         * graphite.c (build_access_matrix_with_af): Fix comments.
6811         (build_scop_data_accesses): Same.
6812
6813 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6814
6815         * graphite.c (build_scop_data_accesses): Don't construct
6816         access matrices.  Add a FIXME and an assert condition that
6817         should pass when the access matrices will be needed.
6818
6819 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6820
6821         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6822         really_constant_p.
6823         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6824         Moved close by free_graphite_bb.
6825         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6826         (new_scop): Move close by free_scop.
6827         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6828
6829 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6830
6831         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6832         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6833         instead of recursive call.
6834         (graphite_translate_clast_equation): New.
6835         (graphite_create_guard_cond_expr): New.
6836         (graphite_create_new_guard): New.
6837         (get_stack_index_from_iv): Removed.
6838         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6839         (get_true_edge_from_guard_bb): New.
6840         (translate_clast): Handle stmt_guard in clast.
6841         (get_construction_edge): Allow construction edge detection for
6842         a scope entry with multiple predecessors if one predecessor is
6843         the immediate dominator of scope entry.
6844         (can_generate_code_stmt): Enable code generation for clast_guard.
6845         (gloog): Use correct context loop.  Removed check for post dominators.
6846         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6847
6848 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6849
6850         * graphite.c (remove_dead_loops): Document better which
6851         loops are removed.
6852
6853 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6854
6855         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6856         and PPLINC.
6857         (graphite.o): Also depends on pointer-set.h.
6858
6859 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6860
6861         * graphite.c (scop_record_loop): Fix compile warning.
6862
6863 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6864             Sebastian Pop  <sebastian.pop@amd.com>
6865
6866         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6867
6868 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6869
6870         * graphite.c (build_graphite_bb): Initialize bb->aux to
6871         point to the graphite_bb_p.
6872         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6873         content of bb->aux.
6874         (add_bb_domains): Does not use the scop parameter.
6875         (graphite_transform_loops): Clean bb->aux at the end.
6876
6877 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6878             Sebastian Pop  <sebastian.pop@amd.com>
6879
6880         * lib/target-supports.exp
6881         (check_effective_target_fgraphite): New.
6882
6883         * gcc.dg/graphite/graphite.exp: Early exit when
6884         check_effective_target_fgraphite returns false.
6885         Set dg-do-what-default to compile.
6886         (scan-graphite-dump-times): Removed.
6887         * gfortran.dg/graphite/graphite.exp: Same.
6888
6889         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6890         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6891         * gcc.dg/graphite/scop-1.c: Same.
6892         * gcc.dg/graphite/scop-2.c: Same.
6893         * gcc.dg/graphite/scop-3.c: Same.
6894         * gcc.dg/graphite/scop-4.c: Same.
6895         * gcc.dg/graphite/scop-5.c: Same.
6896         * gcc.dg/graphite/scop-6.c: Same.
6897         * gcc.dg/graphite/scop-7.c: Same.
6898         * gcc.dg/graphite/scop-8.c: Same.
6899         * gcc.dg/graphite/scop-9.c: Same.
6900         * gcc.dg/graphite/scop-10.c: Same.
6901         * gcc.dg/graphite/scop-11.c: Same.
6902         * gcc.dg/graphite/scop-12.c: Same.
6903         * gcc.dg/graphite/scop-13.c: Same.
6904         * gcc.dg/graphite/scop-matmult.c: Same.
6905         * gcc.dg/graphite/scop-14.c: Same.
6906         * gcc.dg/graphite/scop-15.c: Same.
6907         * gcc.dg/graphite/block-0.c: Same.
6908         * gcc.dg/graphite/scop-16.c: Same.
6909         * gcc.dg/graphite/block-1.c: Same.
6910         * gcc.dg/graphite/scop-17.c: Same.
6911         * gcc.dg/graphite/scop-18.c: Same.
6912         * gfortran.dg/graphite/block-1.f90: Same.
6913         * gfortran.dg/graphite/scop-1.f: Same.
6914         * gfortran.dg/graphite/block-2.f: Same.
6915
6916 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6917
6918         * graphite.c: Fix some XXX comments.
6919         (build_scop_dynamic_schedules): Removed.
6920
6921 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6922
6923         * graphite.h (scop_max_loop_depth): Moved...
6924         * graphite.c (scop_max_loop_depth): ...here.
6925         (remove_all_edges_1): New.
6926         (remove_all_edges): Factored code.
6927         (remove_cond_exprs): Check only the last statement for
6928         a GIMPLE_COND expression.
6929
6930 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6931
6932         * graphite.c (scan_tree_for_params): Early return when the
6933         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6934         (find_scop_parameters): Factor out code.
6935         (graphite_trans_bb_strip_mine): Remove dead code.
6936
6937 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6938
6939         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6940         graphite_trans_bb_move_loop): Factor asserts.
6941         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6942         Do not call calculate_dominance_info and estimate_bb_frequencies.
6943
6944 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6945
6946         * graphite.c (create_loops_mapping, free_loops_mapping,
6947         create_loops_mapping_num, debug_loop_mapping_1,
6948         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6949         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6950         graphite_loops_mapping_add_child_num,
6951         graphite_loops_mapping_insert_child,
6952         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6953         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6954         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6955         create_num_from_index, get_num_from_index,
6956         swap_loop_mapped_depth): Removed.
6957         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6958         (free_scop): Do not call free_loops_mapping.
6959         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6960         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6961         get_loop_mapped_depth.
6962         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6963         (graphite_trans_bb_strip_mine): Same.
6964         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6965         (struct scop): Remove field loops_mapping.
6966
6967 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6968             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6969
6970         * graphite.c (scop_record_loop): Factor out one level of the
6971         condition by early return.
6972         (build_scop_loop_nests): Format following FSF coding style.
6973         (build_scop_dynamic_schedules): Factor out code.
6974         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6975
6976 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6977             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6978
6979         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6980         assignments that are not handled as simple operands for now.
6981
6982 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6983             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6984
6985         * graphite.c (build_scop_bbs): Factor up code.
6986
6987 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6988             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6989
6990         * graphite.c (stmt_simple_for_scop_p): Factor code out
6991         of the loop.
6992         (enum gbb_type): New.  Group all the GBB_* types under it.
6993         (is_loop_exit): Moved...
6994         (end_scop): Enable BB spliting.
6995         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6996         * cfgloop.h (is_loop_exit): Declared.
6997
6998 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6999
7000         * doc/invoke.texi: Remove strides from examples containing
7001         DO loops when the strides are equal to 1.
7002
7003 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
7004             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7005
7006         * graphite.c (graphite_trans_scop_block): Or the result with
7007         the result from graphite_trans_loop_block.
7008         * gcc.dg/graphite/block-1.c: New.
7009         * gfortran.dg/graphite/block-1.f90: New.
7010         * gfortran.dg/graphite/block-2.f: New.
7011
7012 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7013
7014         * graphite.c (graphite_transform_loops): Call cloog_initialize
7015         and cloog_finalize.
7016
7017 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7018
7019         * tree-data-ref.c) (stmt_simple_memref_p): New.
7020         * tree-data-ref.h (stmt_simple_memref_p): Declared.
7021         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
7022         (is_simple_operand): Call stmt_simple_memref_p.
7023
7024         * gcc.dg/graphite/scop-matmult.c: Updated for not
7025         using pointer arithmetic, as this is optimized by PRE and
7026         makes the code too difficult to analyze.
7027
7028         * gcc.dg/graphite/scop-18.c: Same.
7029
7030 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7031
7032         * gdbinit.in (pgg): New.
7033
7034 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7035
7036         * graphite.c (graphite_trans_loop_block): Fix warning.
7037
7038 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7039
7040         * graphite.c (graphite_trans_loop_block): Fix my merge error.
7041
7042 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7043
7044         * graphite.c (graphite_trans_bb_block): Remove check for
7045         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
7046         Check if loop blocking is profitable for every loop, before applying
7047         the changes.
7048         (graphite_apply_transformations): Call graphite_trans_bb_block only,
7049         if flag_loop_block is set.
7050
7051 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7052
7053         * graphite.c: Add some more documentation for the loop
7054         mapping.
7055
7056 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7057
7058         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
7059         * graphite.c: Format on less than 80 columns.
7060         * graphite.h: Same.
7061
7062 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7063
7064         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
7065
7066 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7067
7068         * doc/invoke.texi (floop-block, floop-strip-mine,
7069         floop-interchange): Update documentation with examples.
7070
7071 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7072
7073         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
7074         add_referenced_var.
7075         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
7076
7077 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7078
7079         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
7080         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
7081         * tree-scalar-evolution.c: Revert useless changes.
7082         * tree-phinodes.c: Same.
7083         * cfghooks.c: Same.
7084         * vec.h: Same.
7085         * tree-vectorizer.h: Same.
7086         * tree-flow.h: Same.
7087         * tree-cfg.c: Same.
7088         * common.opt (fgraphite): Update documentation.
7089
7090 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
7091
7092         * doc/invoke.texi (-floop-block, -floop-strip-mine,
7093         -floop-interchange): Add more text for explaining what each of these
7094         flags is doing.
7095         * tree-into-ssa.c (gimple_vec): Moved to...
7096         * graphite.c: Include gimple.h.
7097         (gimple_vec): Moved to...
7098         (del_loop_to_cloog_loop): Removed.
7099         (loop_affine_expr): Do not call create_data_ref when the
7100         operand is a constant.
7101         (new_scop): Use free instead of del_loop_to_cloog_loop.
7102         * Makefile.in (graphite.o): Depend on GIMPLE_H.
7103         * gimple.h (gimple_vec): ... here.
7104
7105 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7106
7107         * graphite.c (scopdet_bb_info): Only allow loops with known number of
7108         latch executions.
7109         (build_loop_iteration_domains): Fail, if latch executions unknown.
7110
7111 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7112
7113         * graphite.c (add_conditions_to_domain): New.
7114         (build_scop_conditions_1): Call add_conditions_to_domain.
7115         (set_cloog_options): Allow to disable optimizations.
7116
7117 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7118
7119         * graphite.c (find_params_in_bb): Look for parameters in conditions.
7120         Do not use walk_dominator_tree.
7121         (find_scop_parameters): Do not use walk_dominator_tree.
7122
7123 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7124
7125         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
7126         (idx_record_params): Adapt.
7127         * graphite.h (scop_gimple_loop_depth): New.
7128
7129 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7130
7131         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
7132         (scan_tree_for_params): Remove value_init.
7133         (build_scop_context): Remove value_init.
7134         (build_loop_iteration_domains): Remove value_init.
7135         (schedule_to_scattering): Remove value_init.
7136         (graphite_trans_bb_strip_mine): Remove value_init.
7137
7138 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7139
7140         * gcc/graphite.c (limit_scops): New.
7141         (graphite_transform_loops): Add limit SCoPs.
7142         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
7143         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
7144         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
7145         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
7146         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
7147         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
7148         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
7149         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
7150         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
7151         Change loop numbers.
7152         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
7153         Change loop numbers.
7154         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
7155         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
7156         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
7157         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
7158         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
7159         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
7160         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
7161         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
7162         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
7163         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
7164
7165 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7166
7167         * graphite.c (graphite_transform_loops): Call always find_transform.
7168
7169 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7170
7171         * graphite.c (free_loops_mapping): New.
7172         (stmt_simple_for_scop_p): Fix typo.
7173         (stmt_simple_for_scop_p): Fix tuples functions, that
7174         broke polyhedron.
7175         (free_graphite_bb): Fix some memleaks.
7176         (free_scop): Fix some memleaks.
7177         (scopdet_bb_info): Do not forget some tmp SCoPs.
7178         (find_params_in_bb): Fix some memleaks.
7179         (clast_to_gcc_expression): Fix warning.
7180
7181 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7182
7183         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7184         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7185
7186 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7187
7188         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7189         Move code ifdef-ed HAVE_cloog...
7190         * graphite.c: Include toplev.h.
7191         ... here.
7192         * Makefile.in (OBJS-common): Always build graphite.o.
7193         (BACKEND): Remove @GRAPHITE@.
7194         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7195         (graphite.o): Depend on TOPLEV_H.
7196
7197 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7198
7199         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7200         Remove typo left from polylib to ppl conversion.
7201         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7202
7203 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7204
7205         * toplev.c (process_options): Move the graphite loop optimization
7206         flags...
7207         * tree-ssa-loop.c (graphite_transforms): ... here.
7208         When not configured with CLooG, print to dump_file that
7209         Graphite transforms were not performed.
7210         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7211         New.
7212         * gcc.dg/graphite/*.c: Updated all testcases to use
7213         scan-graphite-dump-times.
7214
7215 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7216
7217         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7218         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7219
7220 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7221             Jan Sjodin  <jan.sjodin@amd.com>
7222
7223         * configure: Regenerated.
7224         * omp-low.c (expand_omp_sections): Remove now unused code.
7225         * config.in (HAVE_polylib): Removed.
7226         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7227         (PPLLIBS, PPLINC): Added.
7228         * graphite.c: Replace unsigned with int wherever possible.
7229         Don't access Cloog's data structures, but use accessor functions.
7230         Clast's stmt->type is now implemented as a vtable: change the
7231         switches of stmt->type into ifs.
7232         (polylib/polylibgmp.h): Don't include.
7233         (initialize_dependence_polyhedron,
7234         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7235         statement_precedes_p, test_dependence, build_rdg_all_levels,
7236         dump_dependence_graph): Removed until this code is cleaned up
7237         or ported to Cloog.
7238         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7239         (POLYLIBINC): Renamed PPLINC.
7240
7241 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7242             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7243             Jan Sjodin  <jan.sjodin@amd.com>
7244
7245         Finish the merge and tuplification of graphite.
7246
7247 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7248             Jan Sjodin  <jan.sjodin@amd.com>
7249
7250         Partial merge from mainline (138072:138275).
7251         * graphite.c still has to be tuplified.
7252
7253 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7254
7255         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7256         (create_num_from_index): New.
7257         (get_num_from_index): Also pass in the graphite BB.
7258         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7259         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7260         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7261         (is_interchange_valid): Return false when failing.
7262         * graphite.h (struct num_map): New.
7263         (struct graphite_bb): New field num_map.
7264         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7265
7266 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7267
7268         * graphite.c (dump_gbb_conditions): Print also conditions like
7269         "if (a)".  Remove dublicated code and use print_generic_expr ().
7270         (stmt_simple_for_scop_p): Only allow conditions we can handle
7271         {<, <=, >, >=}.
7272
7273 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7274
7275         * graphite.h (struct scop): Removed new_ivs field.
7276         (SCOP_NEWIVS): Deleted.
7277         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7278         clast_to_gcc_expression, graphite_create_new_loop):
7279         Removed use of new_ivs.
7280
7281 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7282
7283         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7284         create_loops_mapping_num, debug_loop_mapping_1): New.
7285         (debug_loop_mapping): Call debug_loop_mapping_1.
7286         (get_loop_mapping_for_num,
7287         graphite_loops_mapping_add_child,
7288         graphite_loops_mapping_add_child_num,
7289         graphite_loops_mapping_insert_child,
7290         graphite_loops_mapping_parent,
7291         split_loop_mapped_depth_for_num,
7292         loop_mapped_depth_split_loop): New.
7293         (increment_loop_mapped_depths): Removed.
7294         (swap_loop_mapped_depth_for_num): Reimplemented.
7295         (new_scop): Call create_loops_mapping.
7296         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7297         (translate_clast): Pass the old loop father in parameter, and pass
7298         it to get_old_iv_from_ssa_name.
7299         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7300         can_generate_code, can_generate_for_scop): New.
7301         (graphite_trans_bb_block): Returns false when it fails to transform.
7302         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7303
7304 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7305
7306         Reverted all the changes related to the streamization and
7307         loop fusion.
7308         These changes are now tracked in the streamization branch.
7309
7310 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7311             Jan Sjodin  <jan.sjodin@amd.com>
7312
7313         * graphite.c (gbb_compare): Correctly constify.
7314         (gbb_can_be_ignored): Indent.
7315         (graphite_trans_scop_swap_1and2): Add legality check.
7316         Remove dead FIXMEs.
7317
7318 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7319
7320         Remove fallouts from "Reverted the Condate changes".
7321         * tree.h: Remove unused decl.
7322         * gcc.dg/tree-checker: Same.
7323         * timevar.def: Remove counter.
7324
7325 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7326
7327         * Merge from mainline (135673:138072).
7328
7329         Reverted the MIRO changes (from 2008-04-05) that are now
7330         tracked in the miro branch.
7331         * tree-bounds.c: Removed.
7332         * tree-bounds.h: Removed.
7333
7334         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7335         are now tracked in the condate branch.
7336         * tree-check.c: Removed.
7337         * tree-match.c: Removed.
7338         * condate.y: Removed.
7339
7340 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7341
7342         * common.opt: New user flag -floop-block, -floop-strip-mine
7343         and -floop-interchange.
7344         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7345         graphite loop optimization flags is turned on.
7346         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7347         flag_loop_strip_mine and flag_loop_interchange checks before
7348         optimizations.
7349         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7350         -floop-strip-mine and -floop-interchange.
7351         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7352         -fgraphite.
7353         * gcc.dg/graphite/scop-16.c: Ditto.
7354         * gcc.dg/graphite/scop-17.c: Ditto.
7355         * gcc.dg/graphite/scop-18.c: Ditto.
7356
7357 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7358             Sebastian Pop  <sebastian.pop@amd.com>
7359
7360         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7361         (create_empty_loop_on_edge): More fixes.
7362         * tree-phinodes.c (resize_phi_node): Extern.
7363         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7364         * cfghooks.c (update_dominator_information): New split from
7365         split_edge.
7366         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7367         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7368         successor of the function entry block.
7369
7370         * graphite.c: Include pointer-set.h.
7371         (debug_loop_mapping, increment_loop_mapped_depths,
7372         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7373         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7374         swap_loop_mapped_depth_for_num, get_num_from_index,
7375         swap_loop_mapped_depth, loop_iv_stack_debug,
7376         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7377         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7378         get_old_iv_from_ssa_name): New.
7379         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7380         (free_scop): Free SCOP_LOOPS_MAPPING.
7381         (scop_record_loop): Record old ivs.
7382         (create_var_name): Removed.
7383         (initialize_cloog_names): Allocate double space in case strip mine
7384         applies to all loops once.
7385         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7386         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7387         translation.
7388         (graphite_create_new_loop): Pass in ivstack.
7389         (remove_all_edges): Pass in the construction_edge.
7390         (graphite_remove_iv): Removed.
7391         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7392         remove_cond_exprs): Rewritten.
7393         (move_phi_nodes): New.
7394         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7395         (translate_clast): Pass in ivstack.  Rewrite some cases.
7396         (set_cloog_options, debug_clast_stmt): New.
7397         (find_transform): Use set_cloog_options.
7398         (outermost_loop_layer): Removed.
7399         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7400         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7401         mark_old_loops, remove_dead_loops): New.
7402         (gloog): Rewritten.
7403         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7404         (const_column_index, get_first_matching_sign_row_index,
7405         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7406         get_upper_bound): New.
7407         (graphite_trans_bb_strip_mine): Also update the iv map.
7408
7409         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7410         (struct name_tree): Add a loop field.
7411         (struct scop): Add a graphite_loops_mapping field.
7412         (SCOP_LOOPS_MAPPING): New.
7413         (debug_clast_stmt): Declare.
7414         * lambda.h (find_induction_var_from_exit_cond): Declare.
7415         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7416         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7417         (create_empty_loop_on_edge): Updated.
7418         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7419         rename_variables_in_bb): Declare.
7420         * tree-cfg.c (remove_bb): Extern.
7421
7422         * gcc.dg/graphite/block-0.c: New.
7423
7424 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7425             Sebastian Pop  <sebastian.pop@amd.com>
7426
7427         * graphite.c (strip_mine_profitable_p): New.
7428         (graphite_trans_bb_block): Disable strip mining if not profitable.
7429
7430         * gcc.dg/graphite/scop-18.c: New.
7431         * gcc.dg/graphite/scop-17.c: Fixed.
7432         * gcc.dg/graphite/scop-16.c: Fixed.
7433
7434 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7435             Jan Sjodin  <jan.sjodin@amd.com>
7436             Sebastian Pop  <sebastian.pop@amd.com>
7437
7438         * graphite.c (is_interchange_valid): New.
7439         (graphite_trans_bb_block): Check loop nest of basic block for legality
7440         of interchange.
7441
7442         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7443         outer_most_loop, gbb_outer_most_loop_index): New.
7444
7445         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7446         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7447         * gcc.dg/graphite/scop-16.c: New.
7448         * gcc.dg/graphite/scop-17.c: New.
7449
7450 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7451
7452         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7453         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7454
7455 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7456
7457         * graphite.c (new_scop): Initialize SCOP_EXIT.
7458         (scopdet_info): Add.
7459         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7460         (build_scops_1): Cleanup, bugfixes.
7461         (build_scops): Cleanup.
7462
7463         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7464         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7465
7466 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7467
7468         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7469
7470         * gfortran.dg/graphite/graphite.exp: Use
7471         DEFAULT_GRAPHITE_FLAGS.
7472
7473         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7474
7475 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7476
7477         * graphite.c (scan_tree_for_params): Do not assert any more if
7478         MULT_EXPR parameter is negative.
7479
7480         * gfortran.dg/graphite/scop-1.f: New.
7481
7482         * gfortran.dg/graphite/graphite.exp: New.
7483
7484         * gcc.dg/graphite/scop-15.c: New.
7485
7486 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7487
7488         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7489
7490 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7491
7492         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7493         graphite_swap_loops.
7494         (graphite_trans_bb_move_loop): New.
7495         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7496         (graphite_trans_bb_block): New.
7497         (graphite_trans_loop_block): New.
7498         (graphite_trans_scop_swap_1and2): Rename from
7499         graphite_trans_swap_1and2.
7500         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7501         (graphite_trans_scop_block): New.
7502         (graphite_apply_transformations): Rename from
7503         graphite_transformations.
7504
7505         * gcc.dg/graphite/scop-matmult.c: New.
7506
7507 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7508
7509         * graphite.c (gbb_compare): New.
7510         (graphite_sort_gbbs): New.
7511         (gbb_can_be_ignored): New.
7512         (scop_remove_ignoreable_gbbs): New.
7513         (graphite_transformations): Cleanup and add
7514         scop_remove_ignoreable_gbbs.
7515         * lambda.h (lambda_vector_compare): New.
7516
7517 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7518
7519         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7520         (graphite_swap_loops): int -> unsigned
7521         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7522         (graphite_transformations): New.
7523         (graphite_transform_loops): Move to graphite_transformations.
7524         * graphite.h (gbb_nb_loops): Return unsigned.
7525
7526 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7527
7528         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7529         the domain matrix.  This makes scop-0.c work again.
7530
7531 2008-06-20  Richard Guenther  <rguenther@suse.de>
7532
7533         * graphite.h: Adjust copyright to GPLv3.
7534         * graphite.c: Likewise.
7535         (stmt_simple_memref_for_scop_p): Split out from ...
7536         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7537         and simplify.
7538         (get_bb_type): Optimize.
7539         (is_pred): Remove.
7540         (is_bb_addable): Fix memleak, replace is_pred call with
7541         single_pred.
7542         (build_scops): Use current_loops.
7543         (param_index): Fix memleak.
7544
7545 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7546
7547         * graphite.c: Fix formatting.
7548
7549 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7550
7551         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7552         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7553         (create_var_name, save_var_name): Newly defined functions.
7554         (initialize_cloog_names): Part of the code factored out to
7555         save_var_name.
7556         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7557         in clast_reduction statement.
7558         (graphite_create_new_loop): Now takes a new parameter
7559         for outer_loop.
7560         (translate_clast): Now also takes the context_loop and bb_exit
7561         parameters. Rewritten the code so that it creates a gimple code
7562         inside the given context.
7563         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7564         remove_cond_expr, disconnect_cond_expr,
7565         disconnect_virtual_phi_nodes): Newly defined functions.
7566         * graphite.h (struct scop): added old_ivs vector.
7567         SCOP_OLDIVS: New macro.
7568
7569 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7570
7571         * cfgloopmanip.c: Add missing function comments, fix formatting.
7572
7573 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7574
7575         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7576         (create_empty_loop_on_edge): Defined.
7577         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7578         instead of void.
7579         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7580         (update_dominators_in_loop): Declared as extern
7581         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7582
7583 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7584
7585         * graphite.c (print_graphite_bb): Allow changing number of loops
7586         in SCoP domain.
7587         (initialize_cloog_names): Allow changing number of loops.
7588         (build_cloog_prog): Simplify.
7589         (find_transform): Enable cloog option --strides.
7590         (graphite_swap_loops): New.
7591         (graphite_strip_mine_loop): New.
7592         (graphite_trans_swap_1and2): New.
7593         (graphite_trans_strip): New.
7594         (graphite_transform_loops): Add graphite_trans_strip.
7595         * graphite.h (scop_max_loop_depth): New.
7596
7597 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7598
7599         * graphite.c (build_scop_iteration_domain): Remove forgotten
7600         line. (Fixes compile)
7601
7602 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7603
7604         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7605         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7606         (build_bb_loops): New.
7607         (graphite_transform_loops): Add build_bb_loops.
7608         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7609         numbers.
7610         * graphite.h (graphite_bb): Add loops.
7611         (gbb_nb_loops): New.
7612         (gbb_loop_at_index): New.
7613         (gbb_loop_index): New.
7614         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7615         using nb_params_in_scop.
7616
7617 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7618
7619         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7620         (build_scop_canonical_schedules): Build minimized schedule.
7621         (schedule_to_scattering): Adapt to minimized schedule.
7622         * graphite.h (graphite_bb): Add/Update descriptions.
7623
7624 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7625             Tobias Grosser  <grosser@fim.uni-passau.de>
7626
7627         * graphite.c (print_graphite_bb): Add condition printing.
7628         (dump_value): New.
7629         (dump_gbb_conditions): New.
7630         (build_scop_conditions_1): New.
7631         (build_scop_conditions): New.
7632         * graphite.h (graphite_bb): Add conditions.
7633
7634 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7635
7636         * graphite.c (print_graphite_bb):
7637         (free_graphite_bb): New.
7638         (free_scop): Free bbs.
7639         (get_bb_type): Free doms.
7640         (build_scop_context): Free context matrix.
7641         (build_loop_iteration_domains): Remove unused code.
7642         (build_cloog_prog): Free scattering function and blocklist.
7643         (find_transform): Free options.
7644
7645 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7646
7647         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7648         Remove unnecessery cloog data structures. Make a copy of the domain
7649         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7650         unnecessary cloog data structures. Fix memory leaks. Remove insert
7651         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7652         used.
7653         (build_scop_iteration_domain): Remove unnecessary cloog
7654         data structures.  Fix memory leaks.
7655         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7656         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7657
7658 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7659
7660         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7661
7662 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7663
7664         * graphite.c (end_scop): Style fix.
7665         (schedule_to_scattering): Style and comment fix.
7666
7667 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7668         * graphite.c (print_graphite_bb): Fix definiton of
7669         schedule_to_scattering.
7670         (initialize_cloog_names): Change nb_scattdims to max loop
7671         depth in SCoP.
7672         (schedule_to_scattering): Take parameter for number of scattering
7673         dimensions.
7674         (build_cloog_prog): Only build as much scattering dimensions as
7675         necessary.
7676
7677 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7678
7679         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7680         in polyhedron/aermod.f90.
7681
7682 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7683             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7684             Harsha Jagasia  <harsha.jagasia@amd.com>
7685
7686         * graphite.c (is_bb_addable): Fix segfault.
7687
7688 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7689
7690         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7691         with multiple exits and conditional handling in edge cases.
7692         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7693
7694         * gcc.dg/graphite/scop-14.c: New.
7695
7696 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7697             Adrien Eliche  <aeliche@isty.uvsq.fr>
7698
7699         * graphite.c (is_bb_addable): Add more comments and enhance
7700         readablity of the source code. Fix memory leak.
7701         (is_loop_exit): Fix memory leak.
7702
7703 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7704
7705         * graphite.c (first_loop_in_scop): Deleted.
7706         (setup_cloog_loop): Only walk the loop chain for inner loops.
7707         (build_scop_iteration_domain): Execute setup_cloog_loop for
7708         all loops in the first layer.
7709
7710 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7711
7712         * graphite.c (scan_tree_for_params): Change the way params are
7713         added to be indepenent of the number of loops.
7714         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7715         handling.
7716         (build_cloog_prog): Revert to short matrix format.
7717
7718 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7719             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7720
7721         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7722         warning.
7723
7724 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7725
7726         * graphite.c (nb_data_refs_in_scop): New.
7727         (graphite_transform_loops): Print more stats: number of
7728         loops, basic blocks and data references per scop.
7729
7730 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7731             Jan Sjodin  <jan.sjodin@amd.com>
7732
7733         * graphite.c (loop_affine_expr, idx_record_params,
7734         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7735         instead of instantiate_parameters.
7736
7737 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7738
7739         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7740         add support for parameters, add STATIC_SCHEDULE at the right places,
7741         cleanup.
7742
7743 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7744
7745         * graphite.c (build_scop_loop_nests): Only add the loops, that
7746         are contained completely in the SCoP.
7747         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7748         and the domains are fixed.
7749         (build_scop_canonical_schedules): Add support for bbs not contained
7750         in any SCoP.
7751
7752 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7753
7754         * graphite.h (scop_contains_loop): Update comments to match
7755         the actual behavior.
7756         (scop_contains_loop): New.
7757         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7758
7759 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7760
7761         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7762         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7763         as GBB_COND_HEADER.
7764
7765 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7766             Tobias Grosser  <grosser@fim.uni-passau.de>
7767
7768         * graphite.c (graphite_transform_loops): Early return when
7769         there are no loops in the function.
7770
7771 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7772             Jan Sjodin  <jan.sjodin@amd.com>
7773
7774         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7775         offset of the last loop.
7776         (setup_cloog_loop): Copy the entire outer constraint matrix.
7777
7778 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7779             Jan Sjodin  <jan.sjodin@amd.com>
7780
7781         * graphite.c (stmt_in_scop_p, function_parameter_p,
7782         invariant_in_scop_p): Removed.
7783         (scan_tree_for_params): Can be used with no constraint
7784         matrix for gathering parameters.
7785         (idx_record_params): Don't use idx_record_param, instead use
7786         scan_tree_for_params.
7787         (find_scop_parameters): Same.
7788         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7789         Fix the size of loop domains.
7790         (schedule_to_scattering): Exit when the outer loop is not in scop.
7791         (find_transform): Enable build_cloog_prog.
7792
7793 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7794             Jan Sjodin  <jan.sjodin@amd.com>
7795
7796         * graphite.c (schedule_to_scattering): Make scattering domains
7797         uniformly of the same size, as required by CLooG 0.14.0 and before.
7798
7799 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7800             Jan Sjodin  <jan.sjodin@amd.com>
7801
7802         * graphite.c (schedule_to_scattering): Rewrite, correct the
7803         translation of the scheduling function to scattering.
7804         (build_cloog_prog): Call schedule_to_scattering only once.
7805         * graphite.h (scop_loop_index): Do not fail for loops not
7806         in the scop: return -1.
7807
7808 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7809
7810         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7811         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7812         (setup_cloog_loop): Export GBB_DOMAIN.
7813         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7814         able to rebuild the original control flow.
7815         * graphite.h (graphite_bb): Add domain field and access macro.
7816         (GBB_DOMAIN): New.
7817
7818 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7819
7820         * graphite.c (debug_gbb): New.
7821         (print_scop, build_graphite_bb): Use SCOP_BBS.
7822         (build_scop_bbs): Reimplemented.
7823         (dfs_bb_in_scop_p): Removed.
7824         (build_scop_loop_nests): Reorder loops inserted in
7825         SCOP_LOOP_NEST: outer loops should come first.
7826         (build_scop_canonical_schedules): Reinitialize at zero
7827         the components of the SCOP_STATIC_SCHEDULE for the loops
7828         that have already been parsed.
7829
7830         * graphite.h (debug_gbb): Declared.
7831
7832 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7833             Jan Sjodin  <jan.sjodin@amd.com>
7834
7835         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7836         (graphite_loop_to_gcc_loop): Removed.
7837         (remove_all_edges): New.
7838         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7839         (gloog): Remove useless code.
7840
7841 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7842
7843         * graphite.c (get_bb_type): Reworked. We distinguish between
7844         loops with one or multiple exits.
7845         (is_loop_exit): New.
7846         (is_pred): New.
7847         (is_bb_addable): Rework condition handling, now support for case
7848         case statements and loops with multiple exits.
7849
7850         * gcc.dg/graphite/scop-11.c: New.
7851         * gcc.dg/graphite/scop-12.c: New.
7852         * gcc.dg/graphite/scop-13.c: New.
7853
7854 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7855
7856         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7857         we have too many colors.
7858
7859 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7860
7861         * doc/invoke.texi (-ftree-loop-fusion): Document.
7862         * tree-pass.h (pass_loop_fusion): Declared.
7863         * tree-loop-fusion.c: New.
7864         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7865         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7866         * tree-data-ref.h (find_data_references_in_loop): Declared.
7867         * common.opt (ftree-loop-fusion): Declared.
7868         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7869
7870 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7871
7872         * graphite.c (build_access_matrix): Fix typo from the merge.
7873
7874 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7875
7876         * Merge from mainline (130800:135673).
7877
7878 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7879
7880         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7881         Update dominators after splitting.
7882
7883 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7884
7885         * graphite.c (is_bb_addable): Return the harmful statement.
7886         Factor up some code.
7887         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7888         (build_scops_1): Call end_scop.
7889
7890 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7891
7892         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7893         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7894         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7895         build_scops_1): Removed.
7896         (build_scops_2): Renamed build_scops_1.
7897
7898 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7899
7900         * graphite.c: Fix formatting.
7901
7902 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7903
7904         * graphite.c (get_bb_type): New.
7905         (move_scops): New.
7906         (build_scops_2): New.
7907         (is_bb_addable): New.
7908         (build_scops): Switch the scop detection.
7909         (build_scop_bbs): Add entry bb to scop.
7910         * graphite.h (struct scop): Update comment.
7911
7912 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7913
7914         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7915         more colors.
7916
7917 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7918
7919         * gcc.dg/graphite/scop-1.c: Update.
7920         * gcc.dg/graphite/scop-2.c: Update.
7921         * gcc.dg/graphite/scop-4.c: Update.
7922         * gcc.dg/graphite/scop-5.c: Add.
7923         * gcc.dg/graphite/scop-6.c: Add.
7924
7925 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7926
7927         * gcc.dg/graphite/scop-0.c: Add.
7928         * gcc.dg/graphite/scop-7.c: Add.
7929         * gcc.dg/graphite/scop-8.c: Add.
7930         * gcc.dg/graphite/scop-9.c: Add.
7931         * gcc.dg/graphite/scop-10.c: Add.
7932
7933 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7934
7935         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7936         Check affine expressions depending on the outermost loop
7937         instead of a scop.
7938         (stmt_simple_for_scop_p): Same.
7939         (harmfule_stmt_in_scop): Same.
7940
7941 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7942
7943         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7944         mark entry and exit, that are not part of the SCoP and update HTML
7945         formatting.
7946
7947 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7948
7949         * graphite.c (basic_block_simple_for_scop_p): Renamed
7950         harmful_stmt_in_bb.
7951         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7952         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7953         (all_preds_visited_p, all_succs_visited_p,
7954         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7955         scop_end_loop): New.
7956         (build_scops): Do not use dfs_enumerate_from.
7957
7958         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7959
7960 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7961
7962         * graphite.c: Add comments to functions that are missing a
7963         description.
7964         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7965
7966 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7967
7968         * graphite.c (nb_params_in_scop): Moved...
7969         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7970         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7971         (clast_to_gcc_expression): Reduce column size to less than 80.
7972         (graphite_create_iv): Return the new name of the IV.
7973         (find_transform): Set options->esp and options->cpp.
7974         (gloog): Comment out the invalidation of the old loop code.
7975         (initialize_dependence_polyhedron): Replace scop_nb_params with
7976         nb_params_in_scop.
7977
7978         * graphite.h (nb_params_in_scop): ... here.
7979         (scop_nb_params): Removed.
7980         (loop_domain_dim): Return something even when the loop was not
7981         found in the hash table: avoid ICEing on all the graphite.exp
7982         testcases.
7983
7984 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7985
7986         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7987
7988         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7989         according to nesting level.
7990         (find_scop_parameters): Call instantiate_parameters.
7991         (scan_tree_for_params): Extend it to handle general affine bounds.
7992         Inner loop bound can depend on outer loop induction variable.
7993         (setup_cloog_loop): tmp variable is allocated on stack. Call
7994         instantiate_parameters with respect to outermost_loop_in_scop.
7995         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7996         graphite.h.
7997         (create_empty_loop): Function loopify should be given edge
7998         probability, instead of edge frequency. Dominance relation from
7999         switch_bb to loop_header.
8000         (clast_to_gcc_expression): Added handling of clast_reduction node.
8001         (gloog): New functionality for removing old loop.
8002         (test_dependence): Factored out from build_rdg_all_levels.
8003         (build_rdg_all_levels): Dependence testing factored out to
8004         test_dependence function.
8005
8006         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
8007         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
8008         from graphite.c
8009
8010 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
8011
8012         * graphite.c (free_scop, param_index, initialize_cloog_names,
8013         nb_params_in_scop): Use name_tree map instead of just a tree
8014         for keeping track of the variable name associated to that tree.
8015         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
8016         clast_to_gcc_expression, graphite_create_iv,
8017         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
8018         graphite_stmt_to_gcc_stmt): New.
8019         (gloog): Call these.
8020         * graphite.h (struct name_tree): New.
8021         (struct scop): Use name_tree instead of tree for params.
8022         Store a vector of name_tree for new_ivs.
8023         (SCOP_NEWIVS): New.
8024         (scop_nb_params): Use name_tree instead of tree.
8025
8026 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
8027             Sebastian Pop  <sebastian.pop@amd.com>
8028
8029         * tree-bounds.c: New.
8030         * tree-bounds.h: New.
8031         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
8032         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
8033         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
8034         flag_mudflap.
8035         * gcc.c: Same.
8036         * toplev.c: Same.
8037         * c-cppbuiltin.c: Same.
8038         * c-pragma.c: Same.
8039         * common.opt: Same.
8040         * varasm.c: Same.
8041         * tree-outof-ssa.c: Same.
8042         * c-common.c: Same.
8043         * Makefile.in: Same.
8044
8045 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
8046             Sebastian Pop  <sebastian.pop@amd.com>
8047
8048         * tree-loop-distribution.c (remaining_stmts,
8049         upstream_mem_writes): Removed static variables.
8050         (copy_loop_before, create_bb_after_loop,
8051         mark_nodes_having_upstream_mem_writes, free_rdg_components,
8052         rdg_build_components, rdg_build_partitions,
8053         dump_rdg_partitions): Extern.
8054         (generate_loops_for_partition, generate_code_for_partition): Do not
8055         return a bool.
8056         (already_processed_vertex_p, predecessor_has_mem_write,
8057         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
8058         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
8059         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
8060         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
8061         Pass remaining_stmts and upstream_mem_writes as parameters.
8062         (rdg_component): Moved...
8063         (build_rdg_partition_for_component): Do not aggregate components when
8064         flag_streamize_loops is set.
8065         (gen_sequential_loops): New.
8066         (ldist_gen): Call gen_sequential_loops.
8067
8068         * tree-pass.h (pass_loop_streamization): Declared.
8069
8070         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
8071         basic blocks when loops structures exist.
8072
8073         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
8074
8075         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
8076
8077         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
8078         eliminate_local_variables_stmt, eliminate_local_variables,
8079         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
8080         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
8081         of code delimited by two edges in the CFG.
8082         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
8083         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
8084         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
8085         the case of parallelisation of reductions.
8086         (create_loop_fn): Extern.
8087         (create_omp_parallel_region): New.
8088
8089         * tree-data-ref.c (dump_data_dependence_relation): Don't call
8090         dump_data_reference for printing dra and drb.
8091         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
8092         RDGE_RELATION.
8093         (build_rdg): Don't call free_dependence_relations for the moment, as
8094         we attach dependence relations on each edge of the RDG.
8095         To be fixed later.
8096
8097         * tree-data-ref.h (rdg_component): ...here.
8098         (struct rdg_edge): New field ddr_p relation.
8099         (RDGE_RELATION): New.
8100         (create_bb_after_loop, copy_loop_before,
8101         mark_nodes_having_upstream_mem_writes, rdg_build_components,
8102         rdg_build_partitions, dump_rdg_partitions,
8103         free_rdg_components): Declared.
8104
8105         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
8106         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
8107
8108         * tree-loop-streamization.c: New.
8109
8110         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
8111         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
8112
8113         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
8114
8115         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
8116
8117         * passes.c: Schedule pass_loop_streamization.
8118
8119 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
8120
8121         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
8122         update comment.
8123
8124 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
8125
8126         * graphite.c (dot_all_scops): Update formatting.
8127         Bbs can now be part of more than one SCoP.
8128
8129 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
8130
8131         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
8132         malloc problems.
8133         (loop_domain_dim): Check for unregistered toplev SCOP loop.
8134         * graphite.h (loop_to_cloog_loop): New.
8135
8136 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8137
8138         * graphite.c (loop_domain_dim, ref_nb_loops,
8139         loop_iteration_vector_dim): New.
8140         (build_access_matrix_with_af, build_access_matrix,
8141         initialize_dependence_polyhedron): Fixed for new matrix layout.
8142         No longer assume that all iteration domains are of the same
8143         dimensionality.
8144
8145 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8146
8147         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8148         defined in a loop at depth 0 is invariant.
8149         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8150         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8151         be called at loop depth 0.
8152
8153         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
8154         a parameter.
8155         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
8156         (down_open_scop): Removed.
8157         (loop_in_scop_p): Redefined.
8158         (scop_affine_expr): New argument: scop.
8159         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
8160         a harmful statement ending a scop.
8161         (basic_block_simple_for_scop_p): New argument: scop.
8162         (get_loop_start): Removed.
8163         (new_scop): Initialize SCOP_LOOPS.
8164         (free_scop): Free SCOP_LOOPS.
8165         (succs_at_same_depth, preds_at_same_depth): New.
8166         (end_scop): Test the validity of a scop.
8167         (add_dominators_to_open_scops): New.
8168         (test_for_scop_bound): Call add_dominators_to_open_scops.
8169         Add cases for opening and closing multiple scops.
8170         (build_scops, build_scop_bbs): Iterate over basic blocks in
8171         depth first order.
8172         (build_graphite_bb): Pass scop directly.
8173         (dfs_bb_in_scop_p): New.
8174         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
8175         several times.
8176         (nb_loops_around_gb): Use loop_in_scop_p.
8177         (schedule_to_scattering): Disabled for the moment the code computing
8178         the "textual order for outer loop".
8179
8180         * graphite.h (struct scop): New field loops.
8181         (SCOP_LOOPS): New.
8182         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8183
8184         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8185
8186 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8187             Sebastian Pop  <sebastian.pop@amd.com>
8188
8189         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8190         * common.opt (fstreamize-loops): New.
8191         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8192         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8193         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8194         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8195
8196 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8197
8198         * tree-data-ref.c (build_empty_rdg): New.
8199         (build_rdg): Use it.
8200         * tree-data-ref.h (build_empty_rdg): Declared.
8201         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8202         (find_vertex_for_stmt): Removed.
8203         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8204
8205 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8206
8207         * tree-loop-distribution.c (generate_builtin): After cancelling the
8208         loop tree, also delete basic blocks.
8209         (rdg_flag_uses): Stop recursion when a vertex has already been
8210         processed.
8211
8212 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8213
8214         * graphite.c (build_scop_alpha): Removed.
8215         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8216         and dump_dependence_graph to avoid compiler warnings.
8217
8218 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8219
8220         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8221         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8222         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8223         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8224         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8225         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8226         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8227         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8228         dump_dependence_graph): New.
8229         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8230         (GBB_ALPHA): New.
8231         (struct scop): New field loop2cloog_loop.
8232         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8233         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8234
8235 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8236
8237         * graphite.c (build_graphite_bb): Fix initialization
8238         of the graphite basic block.
8239
8240 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8241
8242         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8243         loop domain matrix.  Pass in the number of loops contained in the
8244         constraint matrix.
8245         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8246         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8247         loops that are not surrounding the current loop are not represented
8248         in the domain constraint matrix.
8249         (build_scop_iteration_domain): Initial domain constraint matrix
8250         contains only the eq/ineq, cst, and scop parameters columns.
8251
8252 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8253
8254         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8255         (print_graphite_bb): Print scattering.
8256
8257 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8258
8259         * graphite.c (initialize_cloog_names): Initialize names of
8260         scattering variables.
8261
8262 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8263
8264         * graphite.c (dot_all_scops_1): Disable debug output while
8265         printing graph.
8266
8267 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8268
8269         * graphite.c (find_transform): Change cloog output language to C.
8270
8271 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8272
8273         * tree-loop-distribution.c (generate_memset_zero,
8274         generate_builtin, generate_code_for_partition,
8275         rdg_flag_all_uses): New.
8276         (rdg_flag_uses): Gather in the same partition the statements defining
8277         the VUSES of the current statement.
8278         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8279         Gather in the same partition not only the stores to the same memory
8280         access, but also the reads.
8281         (ldist_generate_loops): Renamed ldist_gen.
8282
8283 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8284             Tobias Grosser  <grosser@fmi.uni-passau.de>
8285
8286         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8287         next pointer, don't use the inner pointer.
8288
8289 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8290
8291         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8292         (find_transform): Call dot_all_1.
8293         * graphite.h (dot_all_scops): Declared.
8294
8295 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8296
8297         * tree-loop-distribution.c: Fix apsi.f ICE.
8298         (create_bb_after_loop): New.
8299         (generate_loops_for_partition): Use it.
8300         * gfortran.dg/ldist-1.f90: New.
8301
8302         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8303         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8304
8305 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8306
8307         * graphite.c (find_transform): Dump cloog program sent to cloog.
8308
8309 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8310
8311         * graphite.c (initialize_cloog_names): Initialize cloog
8312         iterator names.
8313
8314 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8315
8316         * graphite.c (build_scop_context): Fix typo, for the matrix
8317         format: insert '0 >= 0' instead of '-1 >= 0'.
8318
8319 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8320
8321         * Fix merge problems.
8322
8323 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8324
8325         * graphite.c (setup_cloog_loop): Fix typo.
8326
8327 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8328
8329         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8330         * tree-loop-distribution.c: Reimplemented.
8331         * tree-pass.h (pass_loop_distribution): New.
8332         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8333         print_loops.
8334         * graphds.h (struct graph): New field indexes.
8335         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8336
8337         * tree-vect-analyze.c: Remove declaration of static functions when not
8338         needed.
8339         * tree-vectorizer.c: Same.
8340         (rename_variables_in_loop): Now extern.
8341         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8342         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8343         calling redirect_edge_and_branch_force.
8344
8345         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8346
8347         * tree-data-ref.c: Don't include tree-chrec.h.
8348         (debug_data_dependence_relations): New.
8349         (dump_data_dependence_relation): Call dump_data_reference on data refs
8350         in the relation.
8351         (same_access_functions): Moved...
8352         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8353         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8354         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8355         struct rdg_vertex_info, ): New.
8356         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8357         at DDR_REVERSED_P.
8358         (create_rdg_vertices): Initialize the htab of graph->indexes.
8359         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8360         (stmts_from_loop): Don't save LABEL_EXPR.
8361         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8362         hash_stmt_vertex_del): New.
8363         (build_rdg): Initialize rdg->indexes.
8364         (free_rdg, stores_from_loop, ref_base_address,
8365         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8366         have_similar_memory_accesses_1, ref_base_address_1,
8367         remove_similar_memory_refs): New.
8368
8369         * tree-data-ref.h: Include tree-chrec.h.
8370         (debug_data_dependence_relations): Declared.
8371         (same_access_functions): ...here.  Now static inline.
8372         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8373         ddr_dependence_level): New.
8374         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8375         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8376         RDG_MEM_READS_STMT): New.
8377         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8378         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8379         rdg_vertex_for_stmt): Declared.
8380         (struct rdg_edge): New field level.
8381         (RDGE_LEVEL, free_rdg): New.
8382         (stores_from_loop, remove_similar_memory_refs,
8383         rdg_defs_used_in_other_loops_p,
8384         have_similar_memory_accesses): Declared.
8385         (rdg_has_similar_memory_accesses): New.
8386
8387         * lambda.h (dependence_level): New.
8388         * common.opt (ftree-loop-distribution): New.
8389         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8390         (print_loop_ir): Renamed print_loops.
8391         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8392         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8393         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8394         (tree-loop-distribution.o): Added.
8395         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8396         (mark_virtual_ops_in_bb): New.
8397         (print_loops_bb, debug_loop_num, debug_loop): New.
8398         * passes.c: Scheduled pass_loop_distribution.
8399
8400 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8401
8402         * graphite.c (scan_tree_for_params): Correct the number of columns
8403         for polylib format.
8404         (nb_flat_iterator): New.
8405         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8406         (build_scop_iteration_domain): Correct the number of columns for
8407         polylib format.
8408
8409 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8410
8411         * Merge from mainline (129697:130800).
8412
8413 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8414
8415         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8416         dominated by SCoP's exit.
8417         (graphite_transform_loops): Compute post dominators.
8418
8419 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8420
8421         * Merge from mainline (127169:129697).
8422
8423 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8424
8425         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8426         parameter for the basic block that contains the expression.  Use
8427         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8428         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8429         the expression.
8430         * graphite.h (gbb_loop): New.
8431         (GBB_LOOP): Removed.
8432
8433 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8434
8435         * Makefile.in: Fix merge problem.
8436
8437 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8438
8439         * Merge from mainline (125309:127169).
8440         * tree-loop-distribution.c: Disabled.
8441
8442 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8443
8444         * Merge from mainline (r123693:125309).
8445
8446 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8447
8448         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8449         correct_modify_p
8450         (correct_modify_p, check_statements, number_of_lvalue_uses,
8451         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8452         instead of MODIFY_EXPR.
8453         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8454         and push new edges.
8455
8456 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8457
8458         * tree-loop-distribution.c (struct rdg): Replace arrays by
8459         VECs for edges and vertices.
8460         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8461         (RDGV_NB_PARTITIONS): New.
8462         (PRDG_NBV, PRDG_NBE): Removed.
8463         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8464         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8465         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8466
8467 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8468             Sebastian Pop  <sebpop@gmail.com>
8469
8470         * doc/invoke.texi (-ftree-loop-distribution): Document.
8471         * tree-loop-distribution.c: New file.
8472         * tree-pass.h (pass_loop_distribution): Declared.
8473         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8474         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8475         and set reversed_p.
8476         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8477         (DDR_REVERSED_P): New.
8478         * common.opt (-ftree-loop-distribution): New.
8479         * tree-flow.h (distribute_loops): Declared.
8480         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8481         * passes.c (init_optimization_passes): Schedule loop distribution.
8482
8483 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8484
8485         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8486         (print_scop): Don't print when scop is NULL.
8487         (build_scop_context, find_transform): Don't output to stderr.
8488
8489 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8490
8491         * tree-data-ref.c: Don't include graphite.h.
8492         Comment out the code for printing data reference's scop.
8493         (build_access_matrix_with_af): Moved...
8494         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8495         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8496         (print_graphite_bb): Print basic block's schedule.
8497         (print_scop): Don't print the schedule, call cloog's pretty printer.
8498         (bb_in_scop_p): A basic block is in a scop only if it is both
8499         dominated and postdominated by the scop's entry and exit basic blocks.
8500         (function_parameter_p): New.
8501         (invariant_in_scop_p): Use function_parameter_p.
8502         (new_scop, save_scop): New.
8503         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8504         save_scop.
8505         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8506         (loop_in_scop_p): New.
8507         (scop_record_loop): Use loop_in_scop_p.
8508         (build_scop_domain): Renamed build_scop_iteration_domain.
8509         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8510         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8511         setup_cloog_loop, dot_scop_1, dot_scop): New.
8512         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8513         (struct scop): Add a pointer to cloog's representation of a program.
8514
8515 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8516
8517         * doc/invoke.texi (-ftree-check-verbose): Renamed
8518         -ftree-checks-verbose.
8519         * common.opt (flag_tree_check_verbose): Renamed
8520         flag_tree_checks_verbose.
8521         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8522
8523 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8524
8525         * configure: Regenerated.
8526         * config.in: Regenerated.
8527         * tree-ssa-loop.c (graphite_transforms): Execute
8528         graphite_transform_loops only when HAVE_cloog.
8529         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8530         * graphite.c: Include polylibgmp.h and cloog.h.
8531         (graphite_transform_loops): Removed loops parameter.
8532         * tree-flow.h (graphite_transform_loops): Update declaration.
8533         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8534         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8535         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8536         (OBJS-common): Remove dependence on graphite.o.
8537         (BACKEND): Depend on @GRAPHITE@.
8538
8539 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8540
8541         * doc/invoke.texi (-ftree-check-verbose): Documented.
8542         * gcc.dg/tree-checker/tree-checks-1.c: New.
8543         * gcc.dg/tree-checker/tree-checks-2.c: New.
8544         * gcc.dg/tree-checker/tree-checks-3.c: New.
8545         * gcc.dg/tree-checker/tree-checks-4.c: New.
8546         * gcc.dg/tree-checker/tree-checks.exp: New.
8547         * gcc.dg/tree-checker/condates.crp: New.
8548         * common.opt (ftree-checks-verbose): New.
8549         * tree-check.c (tree_check_warning): Move extra stderr output
8550         under control of flag_tree_check_verbose.
8551
8552 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8553
8554         * tree-match.c: Fix comments formatting.
8555         * tree-match.h: Fix comments formatting.
8556         * tree-check.c: Fix comments formatting.
8557         (tree_check_init): Restructure.
8558
8559 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8560
8561         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8562
8563 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8564
8565         * Merge from mainline (r120733:123693).
8566
8567 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8568
8569         * condate.y: New file.
8570         * tree-match.h (struct patt_info_s): New field sign.
8571         (struct condate_s): New field msg.
8572         (normalize_condate, name_condate, add_condate): New.
8573         (conds[], condate_parse): Made extern.
8574         * tree-check.c (tree_check_warning): First arg changed to cond;
8575         warning reformatted.
8576         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8577         (tree_scan): New.
8578         (tree_check): Process trivial condates.
8579         (read_delimited_string): Removed.
8580         (print_cond): Print name and msg.
8581         (conds[]): Made extern.
8582         (parse_tree_check_file_once): Rewritten to use the parser in
8583         condate.y.
8584         Processing of option --tree_check_string moved to tree_scan().
8585         * Makefile.in: Added condate.y
8586
8587 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8588
8589         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8590         Use VECs instead of varrays.
8591         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8592         * Makefile.in (pretty-print.o): Depend on vec.h.
8593         * pretty-print.c: Include tree.h and vec.h.
8594         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8595         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8596         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8597         pp_free_list): Use VECs instead of varrays.
8598         * pretty-print.h: Do not include varray.h.
8599         (struct tree_chunk_s): Declaration moved before its use.
8600         (output_buffer): Rename varray field to chunks.
8601         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8602         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8603         save_global_holes): Use VECs instead of varrays.
8604         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8605         * tree-check.c (scan_cfg_stmts, push_node,
8606         print_matching_stmt): Removed.
8607         (tree_check_instance, push_global_holes_if_new, tree_check,
8608         execute_tree_check): Use VECs instead of varrays.
8609         (gate_tree_check): Don't execute the CFG check when basic_block_info
8610         is not available.
8611
8612 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8613
8614         * Merge from mainline (r115016:120733).
8615
8616 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8617
8618         * Merge from mainline (r117632:117661).
8619
8620 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8621
8622         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8623         * tree-pass.h (TDF_DEBUG, debug_p): New.
8624         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8625         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8626         get_loop_exit_condition, analyze_evolution_in_loop,
8627         analyze_initial_condition, analyze_scalar_evolution,
8628         instantiate_parameters, number_of_latch_executions): Use debug_p.
8629         * tree-chrec.c (chrec_apply): Use debug_p.
8630         * tree-data-ref.c: Include graphite.h.
8631         (dump_data_reference): Print also the access matrix.
8632         (analyze_array, analyze_indirect_ref, init_data_ref,
8633         analyze_offset_expr, address_analysis, object_analysis,
8634         create_data_ref, finalize_ddr_dependent,
8635         non_affine_dependence_relation, analyze_ziv_subscript,
8636         analyze_siv_subscript_cst_affine,
8637         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8638         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8639         analyze_miv_subscript, analyze_overlapping_iterations,
8640         build_classic_dist_vector, subscript_dependence_tester,
8641         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8642         (build_access_matrix_with_af): No longer static.
8643         * tree-data-ref.h (scop_p): ... declaration here.
8644         (data_reference.scop): New field.
8645         (DR_SCOP, DR_ACCESS_MATRIX): New.
8646         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8647         * graphite.c (print_graphite_bb): Call dump_data_references.
8648         (print_scop): Use scop_nb_loops and scop_dim_domain.
8649         (test_for_scop_bound): Use debug_p.
8650         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8651         scop_nb_params.
8652         (scop_loop_index): Moved...
8653         (scop_record_loop): New.
8654         (build_scop_loop_nests): Use scop_record_loop.
8655         (build_scop_domain): Use scop_dim_domain.
8656         (build_access_matrix): Implemented.
8657         (build_scop_canonical_schedules): Use scop_nb_loops.
8658         (build_graphite_bb): Initialize GBB_SCOP.
8659         * graphite.h (scop_p): Moved...
8660         (graphite_bb.scop): New field.
8661         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8662         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8663         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8664         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8665         scop_loop_index): New.
8666         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8667
8668 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8669
8670         * Merge from mainline (r117661:120450).
8671
8672 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8673
8674         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8675         at the first declaration outside the varying loop, instantiate as
8676         far as possible.
8677         * tree-chrec.c (for_each_scev_op): New.
8678         * tree-chrec.h (for_each_scev_op): Declared.
8679         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8680         * tree-data-ref.c (get_references_in_stmt,
8681         find_data_references_in_stmt): New, from trunk.
8682         (find_data_references_in_loop): Use get_references_in_stmt
8683         and find_data_references_in_loop, modified as in trunk.
8684         (build_access_matrix_with_af): New.
8685         * tree-data-ref.h (data_reference): Add a field access_matrix.
8686         (data_ref_loc): New, as in trunk.
8687         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8688         invariant_in_scop_p, param_index, scan_tree_for_params,
8689         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8690         idx_record_param, idx_record_params, build_access_matrix,
8691         build_scop_data_accesses, build_scop_canonical_schedules,
8692         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8693         build_scop_params): New.
8694         * graphite.h (graphite_bb): New.
8695         (scop): Add fields static_schedule, params, loop_nest,
8696         iteration_domain.
8697         * lambda.h: Declare vecs of lambda_matrix.
8698         * tree-flow.h (print_loop_ir_bb): Declared.
8699         * tree-cfg.c (print_loop_ir_bb): New.
8700         (print_loop): Use print_loop_ir_bb.
8701
8702 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8703
8704         * Merge from mainline (r115016:117632).
8705
8706 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8707
8708         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8709         break due to a warning.
8710
8711 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8712
8713         * graphite.c (print_scops, debug_scops): New.
8714         (graphite_transform): Renamed graphite_find_transform.
8715         * graphite.h (debug_scops): Declared.
8716
8717 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8718
8719         * tree-match.c: Reformat following the GNU style.
8720         * tree-match.h: Reformat following the GNU style.
8721         * tree-pattern.h: Removed empty file.
8722         * Makefile.in: Remove references to tree-pattern.h.
8723         * tree-check.c: Reformat following the GNU style.
8724         (execute_tree_check): Move gate condition code to...
8725         (gate_tree_check): ...here.  New function.
8726         (pass_check): Use the gate function.
8727
8728 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8729
8730         * tree-pattern.h: New. Tree pattern matching and checking using
8731         concrete syntax.
8732         * tree-check.c: New. Tree/CFG checking pass.
8733         * tree-match.c: New. Library for tree pattern matching.
8734         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8735         * toplev.c, flags.h: Add globals for tree-check pass.
8736         * Makefile.in: Integrate the files in tree-check pass.
8737         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8738         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8739         Introduce a "lazy" pretty-print mode.
8740         * tree.c, tree.h: Add tree_name.
8741
8742 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8743
8744         * doc/invoke.texi (-fgraphite): Correct typo.
8745         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8746         use of print_loop_ir.
8747         * gcc.dg/graphite/scop-1.c: New.
8748         * gcc.dg/graphite/scop-2.c: New.
8749         * gcc.dg/graphite/graphite.exp: New.
8750         * graphite.c: Include domwalk.h.
8751         (print_scop): Print only the entry and exit blocks.
8752         (debug_scop): No longer static.
8753         (affine_expr): Fix formating.  Return also true when the expression is
8754         constant.
8755         (stmt_simple_for_scop_p): Fix formating.
8756         (build_scops): Use domwalk.
8757         (get_loop_start, end_scop, test_for_scop_bound): New.
8758         (graphite_transform_loops): Avoid printing on stderr.
8759         * graphite.h (debug_scop): Declared.
8760         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8761         * Makefile.in (graphite.o): Depend on domwalk.h.
8762         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8763         declarations for static functions.
8764         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8765         controlling output verbosity.
8766
8767 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8768             Plesco Alexandru  <shurikx@gmail.com>
8769
8770         * doc/invoke.texi (-fgraphite): Document.
8771         * tree-pass.h (pass_graphite_transforms): Declared.
8772         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8773         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8774         (pass_graphite_transforms): Defined.
8775         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8776         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8777         * graphite.c, graphite.h: New.
8778         * common.opt (fgraphite): Declared.
8779         * tree-flow.h (graphite_transform_loops): Declared.
8780         * Makefile.in (OBJS-common): Add graphite.o.
8781         (graphite.o): New rule.
8782         * passes.c (pass_graphite_transforms): Scheduled.
8783