gcc/ChangeLog.graphite

   1 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
   2
   3         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
   4         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
   5         Remove context_loop and level.
   6
   7 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
   8
   9         * graphite-clast-to-gimple.c (translate_clast_user,
  10         translate_clast_for, translate_clast_guard): Simplify and move common
  11         elements to translate_clast().
  12         (translate_clast): Simplify and get common elements.
  13
  14 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  15
  16         * graphite-clast-to-gimple.c (translate_clast_user,
  17         translate_clast_for, translate_clast_guard): Split out of
  18         translate_clast.
  19
  20 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
  21
  22         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
  23         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
  24         debug_clast_name_indexes_1, debug_clast_name_indexes,
  25         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
  26         (clast_name_to_gcc, clast_to_gcc_expression,
  27         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
  28         gcc_type_for_clast_eq, graphite_translate_clast_equation,
  29         graphite_create_guard_cond_expr, graphite_create_new_loop,
  30         translate_clast): Add params_index.
  31         (initialize_cloog_names): Create parameter strings from scratch, do
  32         not reference other strings.
  33         (create_params_index): New.
  34         (gloog): Initialize params_index.
  35         * graphite-scop-detection (free_scops_1): Removed.
  36         (limit_scops): Use normal free_scops.
  37         * graphite-sese-to-poly.c (save_var_names): Removed.
  38         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
  39         and SESE_PARAMS_INDEX.
  40         * sese.c (new_sese, free_sese): Dito.
  41         * sese.h (struct sese): Remove params_index, params_names.
  42         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
  43
  44 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
  45
  46         Revert the following patch from 2009-09-14:
  47         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
  48         tree-scalar-evolution.h, and then tree-data-ref.h.
  49         * graphite-clast-to-gimple.c: Same.
  50         * graphite-dependences.c: Same.
  51         * graphite-interchange.c: Same.
  52         * graphite-poly.c: Same.
  53         * graphite-scop-detection.c: Same.
  54         * graphite-sese-to-poly.c: Same.
  55         * graphite.c: Same.
  56         * lambda-code.c: Same.
  57         * matrix-reorg.c: Same.
  58         * tree-data-ref.c: Same.
  59         * tree-if-conv.c: Same.
  60         * tree-loop-distribu: Same.: Same.
  61         * tree-loop-linear.c: Same.
  62         * tree-parloops.c: Same.
  63         * tree-predcom.c: Same.
  64         * tree-vect-patterns.c: Same.
  65
  66 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
  67
  68         Revert patch from 2009-09-14.
  69         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
  70         passes at -O1 and below.
  71
  72 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         PR middle-end/40281
  75         * testsuite/gcc.dg/graphite/pr40281.c: New.
  76
  77         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
  78         evolutions should not variate in inner loops.
  79
  80 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  81
  82         PR middle-end/42050
  83         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
  84
  85 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         * graphite-interchange.c (memory_strides_in_loop_depth): New.
  88         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
  89
  90 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         * graphite-blocking.c (scop_do_block): New.
  93         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
  94         * graphite-poly.h (scop_do_block): Declared.
  95
  96 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  97
  98         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
  99         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 100         to transform depth into the time_depth before calling
 101         pbb_number_of_iterations_at_time.
 102         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 103         lst_depth.
 104
 105 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 106
 107         Reverted the patch for "scattering permutations" from 2009-10-28.
 108
 109         * graphite-poly.c (print_permutation): New.
 110         (debug_permutation): New.
 111         (new_poly_bb): Initialize PBB_PERMUTATION.
 112         (free_poly_bb): Free PBB_PERMUTATION.
 113         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 114         (struct pbb_permutation_elt): New.
 115         (PBB_PERMUTATION_ELT_STRIDE): New.
 116         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 117         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 118         (new_pbb_permutation_elt): New.
 119         (pbb_permutation_elt_free): New.
 120         (struct poly_bb): Add field permutation.
 121         (PBB_PERMUTATION): New.
 122         (print_permutation): Declared.
 123         (debug_permutation): Declared.
 124
 125 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 126
 127         * graphite-interchange.c (build_partial_difference): New.
 128         (memory_stride_in_loop): Refactored the computation of
 129         equality constraints into build_partial_difference function.
 130         Added support for debugging stride computations.
 131
 132 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 133
 134         * graphite-clast-to-gimple.c (gloog): Free if_region,
 135         if_region->true_region, and if_region->region.
 136         * sese.c (if_region_set_false_region): Free if_region->false_region.
 137         (create_if_region_on_edge): Do not use GGC_NEW.
 138         (move_sese_in_condition): Remove useless initialization.
 139
 140 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 141
 142         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 143         for the loops created by the loop distribution.  Do not modify the
 144         input LSTs.
 145         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 146         transformed schedule.  Call lst_update_scattering before data
 147         dependence analysis.
 148         (lst_try_interchange): Pass an extra parameter INDEX.
 149         (lst_do_interchange_1): New.
 150         (lst_do_interchange): Call lst_do_interchange_1.
 151         (scop_do_interchange): Call lst_update_scattering.
 152         * graphite-poly.c (apply_poly_transforms): Do not call
 153         lst_update_scattering.
 154         * graphite-poly.h (lst_pred): New.
 155         (lst_succ): New.
 156         (lst_find_first_pbb): Return NULL when not found.
 157         (lst_empty_p): New.
 158         (lst_insert_in_sequence): Allow LST1 to be NULL.
 159         (lst_replace): New.
 160         (lst_substitute_3): New.
 161         * gcc.dg/graphite/interchange-1.c: XFail.
 162         * gcc.dg/graphite/interchange-8.c: XFail.
 163         * gcc.dg/graphite/interchange-11.c: XFail.
 164
 165 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * graphite-interchange.c (lst_perfectly_nested_p): New.
 168         (lst_perfect_nestify): New.
 169         (lst_try_interchange_loops): Call store_lst_schedule,
 170         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 171         (scop_do_interchange): Avoid redundant legality test.
 172         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 173         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 174         * graphite-poly.h (psct_static_dim): New.
 175         (lst_dewey_number_at_depth): New.
 176         (lst_find_pbb): Restructured.
 177         (lst_find_first_pbb): Restructured.
 178         (lst_find_last_pbb): New.
 179         (lst_contains_p): New.
 180         (lst_contains_pbb): New.
 181         (lst_create_nest): New.
 182         (lst_remove_from_sequence): New.
 183         (pbb_update_scattering): New.
 184         (lst_update_scattering_under): New.
 185         (lst_update_scattering_seq): New.
 186         (lst_update_scattering): New.
 187         (lst_insert_in_sequence): New.
 188         (lst_distribute_lst): New.
 189         (lst_remove_all_before_including_pbb): New.
 190         (lst_remove_all_before_excluding_pbb): New.
 191
 192 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 193
 194         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 195         get_loop_exit_edges.
 196
 197 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 198
 199         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 200
 201 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 202
 203         * graphite-poly.c (print_permutation): New.
 204         (debug_permutation): New.
 205         (new_poly_bb): Initialize PBB_PERMUTATION.
 206         (free_poly_bb): Free PBB_PERMUTATION.
 207         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 208         (struct pbb_permutation_elt): New.
 209         (PBB_PERMUTATION_ELT_STRIDE): New.
 210         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 211         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 212         (new_pbb_permutation_elt): New.
 213         (pbb_permutation_elt_free): New.
 214         (struct poly_bb): Add field permutation.
 215         (PBB_PERMUTATION): New.
 216         (print_permutation): Declared.
 217         (debug_permutation): Declared.
 218
 219 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 220
 221         * graphite-clast-to-gimple.c (gloog): Do not call
 222         sese_reset_aux_in_loops.
 223         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 224         extra argument for domains.  Do not use loop->aux.
 225         (build_scop_iteration_domain): Initialize and free domains, pass it
 226         to build_loop_iteration_domains and extract the information from
 227         domains.  Do not use loop->aux.
 228         * sese.c (sese_reset_aux_in_loops): Removed.
 229         * sese.h (sese_reset_aux_in_loops): Removed.
 230
 231 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 234         (dependency_in_loop_p): Same.
 235         (translate_clast): Do not use loop->aux.  Initialize
 236         loop->can_be_parallel.
 237         (mark_loops_parallel): Removed.
 238         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 239         * graphite.c (free_aux_in_new_loops): Removed.
 240         (graphite_finalize): Do not call free_aux_in_new_loops.
 241         (graphite_transform_loops): Do not call mark_loops_parallel.
 242
 243 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 244
 245         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 246         (translate_clast): Pass an extra parameter LEVEL.
 247         Call get_scattering_level.
 248         * graphite-clast-to-gimple.h (get_scattering_level): New.
 249
 250 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 251
 252         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 253         * cfgloop.h (struct loop): New field single_iv.
 254
 255         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 256         loop->aux anymore: use loop->single_iv.
 257         (graphite_loop_normal_form): Moved...
 258         (build_graphite_loop_normal_form): Removed.
 259         (gloog): Do not call build_graphite_loop_normal_form.
 260         (free_aux_in_new_loops): Moved...
 261         (mark_loops_parallel): Restructure.
 262         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 263         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 264         (scop_canonicalize_loops): New.
 265         (build_poly_scop): Call scop_canonicalize_loops.
 266         * graphite.c (free_aux_in_new_loops): ...here.
 267
 268 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 269
 270         * g++.dg/graphite/graphite.exp: Add the same rules as in
 271         gcc.dg/graphite/graphite.exp.
 272
 273 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 274
 275         * g++.dg/graphite/id-1.C: New.
 276
 277 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 278
 279         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 280         argument base_name.
 281         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 282         (rewrite_phi_out_of_ssa): Same.
 283         (rewrite_cross_bb_scalar_deps): Same.
 284         (translate_scalar_reduction_to_array): Same.
 285
 286 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 287
 288         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 289         dump_alias_graphs.
 290
 291 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 294         (build_scop_drs): Call dump_alias_graphs.
 295
 296 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 297
 298         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 299         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 300         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 301         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 302         * graphite-poly.h (free_lst): New.
 303         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 304         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 305
 306 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * graphite-poly.h (struct scop): Add a field saved_schedule.
 309         (SCOP_SAVED_SCHEDULE): New.
 310         (store_lst_schedule): New.
 311         (restore_lst_schedule): New.
 312         (store_scattering): Call store_lst_schedule.
 313         (restore_scattering): Call restore_lst_schedule.
 314
 315 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 316
 317         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 318         (pdr_add_alias_set): Same.
 319         (build_poly_dr): Same.
 320         (build_alias_set_optimal_p): Same.
 321         (build_base_obj_set_for_drs): Same.  Do not store the result of
 322         graphds_dfs.
 323
 324 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 325
 326         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 327         all_components_are_cliques to 1.
 328
 329 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 330
 331         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 332         the new structure.
 333         (pdr_add_alias_set): Update retrieving alias_set_num.
 334         (build_poly_dr): Update retrieving dr_base_object_set.
 335         (partition_drs_to_sets): Remove.
 336         (build_alias_set_optimal_p): New.
 337         (build_alias_set_for_drs): Rename.
 338         (build_scop_drs): Update.
 339         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 340         (ALIAS_SET_INDEX): Remove.
 341         (BASE_OBJECT_SET_INDEX): Remove.
 342
 343 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 344
 345         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 346
 347 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 348
 349         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 350         loop upper bounds for 1-element arrays at end of structures.
 351         * tree-flow.h (array_at_struct_end_p): Declared.
 352         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 353
 354 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * g++.dg/graphite/pr41305.C: New.
 357
 358 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 359
 360         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 361         construction of parameter constraints from loop iteration analysis.
 362         * gcc.dg/graphite/run-id-2.c: New test.
 363
 364 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 365
 366         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 367         and new_cstr.
 368
 369 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 370
 371         * graphite-dependences.c (dependence_polyhedron_1): Remove
 372         unused gdim dimensions from the DDR polyhedron.
 373
 374 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 375
 376         * graphite-dependences.c (pddr_transformed_scattering): New.
 377         (dot_original_deps_stmt_1): New.
 378         (dot_transformed_deps_stmt_1): New.
 379         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 380         dot_transformed_deps_stmt_1.
 381         (dot_original_deps): New.
 382         (dot_transformed_deps): New.
 383         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 384
 385 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 386
 387         * graphite-dependences.c (reduction_dr_1): Remove wrong
 388         assert: reduction BBs can have multiple reduction writes
 389         to memory.  interchange-3.f90 is an example.
 390
 391 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 392
 393         * gfortran.dg/graphite/interchange-3.f90: New.
 394
 395 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 396
 397         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 398
 399 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 400
 401         * graphite-dependences.c (dependence_polyhedron_1): Add the
 402         context to the dependence polyhedron.
 403
 404 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 405
 406         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 407         PBB_PDR_DUPLICATES_REMOVED.
 408         (new_poly_bb): Same.
 409
 410 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 411
 412         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 413         SCOP_CONTEXT.
 414         (build_loop_iteration_domains): Extract bounds on parameters
 415         based on the data size.
 416         (build_scop_context): Do not initialize SCOP_CONTEXT;
 417         add new constraints.
 418
 419 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 422         * graphite-ppl.h (graphite-ppl.h): Declared.
 423
 424 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * graphite-ppl.c (ppl_print_linear_expr): New.
 427         (debug_ppl_linear_expr): New.
 428         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 429         (debug_ppl_linear_expr): Declared.
 430
 431 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 432
 433         * graphite-interchange.c: Fix comments.
 434         * gcc.dg/graphite/block-1.c: Fix comments.
 435
 436 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 437
 438         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 439         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 440
 441 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 442
 443         Reapply the patch from Alexander Monakov that disappeared during
 444         the last merges from trunk.
 445
 446         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 447
 448         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 449         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 450
 451 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 452
 453         * graphite-interchange.c (memory_stride_in_loop): The depth
 454         argument corresponds to a dynamic time dimension, so use
 455         psct_dynamic_dim to refer to the transformed scattering dimension.
 456
 457 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 458
 459         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 460
 461 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 462
 463         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 464         root of the LST.
 465         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 466         the root of the LST.
 467         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 468         fake loop.
 469         (print_lst): Print the root of LST in a different format.
 470         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 471
 472 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 473
 474         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 475
 476 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 477
 478         * doc/passes.texi: Document the Graphite infrastructure.
 479
 480 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 481
 482         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 483         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 484         and check the SSA representation.
 485
 486         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 487
 488 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 489
 490         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 491
 492 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         * gcc.dg/graphite/interchange-11.c: New.
 495
 496 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 499
 500 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 501
 502         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 503         Add -fno-loop-strip-mine and -fno-loop-interchange.
 504         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 505         -fno-loop-strip-mine.
 506         * gfortran.dg/graphite/graphite.exp: Same.
 507
 508 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 509
 510         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 511         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 512         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 513         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 514         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 515         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 516         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 517         DEFAULT_FLAGS_GRAPHITE_SCOP.
 518         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 519         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 520
 521 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 522
 523         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 524
 525 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 526             Sebastian Pop  <sebastian.pop@amd.com>
 527
 528         * graphite-interchange.c (build_linearized_memory_access): Pass an
 529         offset as parameter.
 530         (memory_stride_in_loop): Include transform scattering in the
 531         access functions to be able to querry the strides in the
 532         transformed loops.
 533         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 534         not the psct_iterator_dim.
 535
 536 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 539         (lst_do_strip_mine_loop): New.
 540         (lst_do_strip_mine): New.
 541         (scop_do_strip_mine): Call lst_do_strip_mine.
 542         * graphite-poly.h (lst_add_loop_under_loop): New.
 543         (lst_find_first_pbb): New.
 544
 545 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 546
 547         * graphite-poly.c (loop_to_lst): Fix LST creation.
 548
 549 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 550
 551         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 552         sizeof(unsigned long) to make it run on 32bit systems.
 553
 554 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 555
 556         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 557         SEGFAULT on 32bit.
 558
 559 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 560
 561         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 562         Comment.
 563         (write_alias_graph_to_ascii_dot): New.
 564         (write_alias_graph_to_ascii_ecc): Ditto.
 565         (partition_drs_to_sets): Add testing of optimality of current method
 566         which assigns alias numbers according to DFS Comopnent number.  used
 567         as heuristic for the upcoming ECC algorithm.
 568         (build_scop_drs): Write to file also with the ecc and dot format.
 569
 570 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 571
 572         * gfortran.dg/graphite/interchange-1.f: XFail.
 573
 574 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 575
 576         * graphite.c (graphite_initialize): Do not handle functions with
 577         more than 100 basic blocks.
 578
 579 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 580
 581         * graphite-blocking.c (pbb_do_strip_mine): Use
 582         PARAM_LOOP_BLOCK_TILE_SIZE.
 583
 584 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         * graphite-poly.c (dot_lst_1): New.
 587         (dot_lst): New.
 588         * graphite-poly.h (dot_lst): Declared.
 589
 590 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * graphite-dependences.c (dot_deps_stmt_1): New.
 593         (dot_deps_stmt): New.
 594         * graphite-dependences.h (dot_deps_stmt): Declared.
 595
 596 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 599         not replace cross BB scalar dependences ending on PHI nodes.
 600         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 601
 602 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-poly.c (apply_poly_transforms): Implement the high
 605         level driver for flag_loop_block.
 606         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 607         flag_loop_block.
 608
 609         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 610         -floop-block.
 611         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 612         Add -floop-block.
 613
 614 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         * graphite-poly.h (lst_find_pbb): New.
 617         (find_lst_loop): New.
 618
 619 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 620
 621         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 622         * graphite-poly.h (struct scop): Remove dep_graph field.
 623         (SCOP_DEP_GRAPH): Removed.
 624
 625 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 626
 627         * graphite-poly.h (copy_lst): Do full copy of LST.
 628
 629 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 632         when the loop stride is zero.
 633
 634         * gcc.dg/graphite/id-16.c: New.
 635
 636 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         * graphite-dependences.c (reduction_dr_1): New.
 639         (reduction_dr_p): New.
 640         (graphite_legal_transform_dr): Call reduction_dr_p.
 641         (reduction_ddr): Renamed reduction_ddr_p.
 642         * graphite-poly.h (same_pdr_p): New.
 643         (number_of_write_pdrs): New.
 644         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 645         (split_reduction_stmt): Do not split reduction statements
 646         when there are no writes to memory.
 647         (translate_scalar_reduction_to_array_for_stmt): Insert the
 648         memory reduction statement just after the scalar reduction statement.
 649
 650         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 651         Un-XFAIL-ed.
 652         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 653         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 654
 655 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 656
 657         * graphite-interchange.c (lst_apply_interchange): New.
 658         (lst_interchange_profitable_p): New.
 659         (lst_try_interchange_loops): New.
 660         (lst_try_interchange): New.
 661         (lst_do_interchange): New.
 662         (pbb_do_interchange): Removed.
 663         (scop_do_interchange): Call lst_do_interchange.
 664
 665 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 666
 667         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 668         SCOP_TRANSFORMED_SCHEDULE.
 669         (loop_to_lst): New.
 670         (scop_to_lst): New.
 671         (print_lst): New.
 672         (debug_lst): New.
 673         * graphite-poly.h (lst_p): New.
 674         (struct lst): New.
 675         (LST_LOOP_P): New.
 676         (LST_LOOP_FATHER): New.
 677         (LST_PBB): New.
 678         (LST_SEQ): New.
 679         (scop_to_lst): Declared.
 680         (print_lst): Declared.
 681         (debug_lst): Declared.
 682         (new_lst_loop): New.
 683         (new_lst_stmt): New.
 684         (copy_lst): New.
 685         (lst_depth): New.
 686         (lst_dewey_number): New.
 687         (struct scop): Add original_schedule and transformed_schedule fields.
 688         (SCOP_ORIGINAL_SCHEDULE): New.
 689         (SCOP_TRANSFORMED_SCHEDULE): New.
 690         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 691
 692 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * graphite-dependences.c (reduction_ddr): New.
 695         (graphite_legal_transform_bb): Call reduction_ddr.
 696         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 697         Initialize PBB_IS_REDUCTION.
 698         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 699         (PBB_IS_REDUCTION): New.
 700         (new_poly_bb): Update declaration.
 701         * graphite-scop-detection.h (build_scop_bbs): Removed.
 702         (nb_reductions_in_loop): Removed.
 703         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 704         parameter for reductions.
 705         (try_generate_gimple_bb): Update call to new_poly_bb.
 706         (build_scop_bbs_1): Same.
 707         (build_scop_bbs): Same.
 708         (gsi_for_phi_node): New.
 709         (scalar_close_phi_node_p): Remove gcc_assert.
 710         (split_reduction_stmt): New.
 711         (is_reduction_operation_p): New.
 712         (phi_contains_arg): New.
 713         (follow_ssa_with_commutative_ops): New.
 714         (detect_commutative_reduction_arg): New.
 715         (detect_commutative_reduction_assign): New.
 716         (follow_inital_value_to_phi): New.
 717         (edge_initial_value_for_loop_phi): New.
 718         (initial_value_for_loop_phi): New.
 719         (detect_commutative_reduction): New.
 720         (translate_scalar_reduction_to_array_for_stmt): New.
 721         (insert_copyout): New.
 722         (insert_copyin): New.
 723         (translate_scalar_reduction_to_array): New.
 724         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 725         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 726         (rewrite_commutative_reductions_out_of_ssa): New.
 727         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 728         * sese.h (split_region_for_bb): New.
 729
 730         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 731         * gcc.dg/graphite/interchange-1.c: Fix format.
 732         * gcc.dg/graphite/interchange-10.c: New.
 733
 734 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 735
 736         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 737         buggy assert.
 738
 739 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 740
 741         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 742         (rewrite_cross_bb_scalar_dependence): New.
 743         (rewrite_cross_bb_scalar_deps): New.
 744         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 745         Call rewrite_cross_bb_scalar_deps.
 746
 747 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 748
 749         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 750         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 751         gsi_for_stmt.
 752
 753 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 754
 755         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 756         * graphite-interchange.c (pbb_do_interchange): Same.
 757         * graphite-poly.c (print_scattering_function): Same.
 758         (debug_pdrs): Same.
 759         * graphite-poly.h (pbb_loop): New.
 760         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 761
 762 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 763
 764         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 765
 766 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 767
 768         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 769         so don't pass a pointer to it.
 770         (build_alias_set_for_drs): Same.
 771         (build_base_obj_set_for_drs): Same.
 772         (build_scop_drs): Same.
 773
 774 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 775
 776         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 777         the alias graph of data references.
 778
 779 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 780
 781         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 782         (build_scop_drs): When debugging, write the alias graph to file,
 783         otherwise, should be disabled.
 784
 785 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 788         (is_simple_operand): Remove call to stmt_simple_memref_p.
 789         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 790
 791 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 792
 793         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 794         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 795         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 796         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 797         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 798
 799 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 800
 801         PR middle-end/41118
 802         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 803         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 804         (graphite_carried_dependence_level_k): Ditto.
 805         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 806         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 807         (new_poly_dr): Adjust declaration.
 808         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 809         (free_gimple_bb): Added free_data_refs_aux.
 810         (build_poly_dr): Add dr_base_object_set.
 811         (partition_drs_to_sets): New.
 812         (dr_same_base_object_p): New.
 813         (build_alias_set_for_drs): New.
 814         (build_base_object_set_for_drs): New.
 815         (build_scop_drs): Add build_base_obj_set_for_drs.
 816         * graphite-sese-to-poly.h: Added #define for alias set number index and
 817         base object set index.
 818         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 819         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 820
 821 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 822
 823         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 824         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 825
 826 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         * graphite-sese-to-poly.c (struct irp_data): Removed.
 829         (idx_record_params): Removed.
 830         (find_params_in_bb): Scan for parameters the access functions; don't
 831         parse the tree representation.
 832
 833 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 834
 835         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 836         passes at -O1 and below.
 837
 838 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 839
 840         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 841         tree-scalar-evolution.h, and then tree-data-ref.h.
 842         * graphite-clast-to-gimple.c: Same.
 843         * graphite-dependences.c: Same.
 844         * graphite-interchange.c: Same.
 845         * graphite-poly.c: Same.
 846         * graphite-scop-detection.c: Same.
 847         * graphite-sese-to-poly.c: Same.
 848         * graphite.c: Same.
 849         * lambda-code.c: Same.
 850         * matrix-reorg.c: Same.
 851         * tree-data-ref.c: Same.
 852         * tree-if-conv.c: Same.
 853         * tree-loop-distribu: Same.: Same.
 854         * tree-loop-linear.c: Same.
 855         * tree-parloops.c: Same.
 856         * tree-predcom.c: Same.
 857         * tree-vect-patterns.c: Same.
 858
 859 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 860
 861         Partially revert the previous patch, except the following.
 862         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 863         as parameters the operands of the not expression.
 864
 865 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 866
 867         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 868         Do not call analyze_scalar_evolution on assignments.
 869         (instantiate_scev_phi): Call analyze_scalar_evolution.
 870         (instantiate_scev_name): Call instantiate_scev_assign and
 871         instantiate_scev_phi.
 872         (instantiate_scev_not): Adapted to pass as parameters the operands
 873         of the not expression.
 874
 875 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 876
 877         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 878         to pass as parameters the operands of the binary expression.
 879
 880 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 881
 882         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 883         instantiate_scev_not.  Handle NEGATE_EXPR.
 884         (instantiate_scev_r): Handle NEGATE_EXPR.
 885
 886 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 887
 888         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 889         instantiate_scev_r.
 890         (instantiate_scev_r): Move code in instantiate_scev_2
 891         and instantiate_scev_1.
 892
 893 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 894
 895         * tree-scalar-evolution.c (instantiate_scev_3): New.
 896         (instantiate_scev_1): Move code in instantiate_scev_3.
 897
 898 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 899
 900         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 901         (instantiate_scev_1): Move code in instantiate_scev_poly.
 902
 903 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 904
 905         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 906         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 907
 908 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 909
 910         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 911         (instantiate_scev_1): Move code in instantiate_scev_convert.
 912
 913 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 914
 915         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 916         (instantiate_scev_1): Move code in instantiate_scev_binary.
 917
 918 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 919
 920         * tree-scalar-evolution.c (instantiate_scev_name): New.
 921         (instantiate_scev_1): Move code in instantiate_scev_name.
 922
 923 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 924
 925         * Merge from mainline (150992:151171).
 926
 927 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite-dependences.c (graphite_legal_transform_bb): Call
 930         pbb_remove_duplicate_pdrs.
 931         * graphite-poly.c (can_collapse_pdr): Removed.
 932         (pdr_find_duplicate): Removed.
 933         (can_collapse_pdrs): New.
 934         (pbb_remove_duplicate_pdrs): New.
 935         (new_poly_dr): Do not look for duplicates.
 936         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 937         (PBB_PDR_DUPLICATES_REMOVED): New.
 938         (pbb_remove_duplicate_pdrs): Declared.
 939
 940 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 941
 942         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 943         the strides by multiplying by PDR_NB_REFS.
 944         * graphite-poly.c (can_collapse_pdr): New.
 945         (pdr_find_duplicate): New.
 946         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 947         Initialize PDR_NB_REFS.
 948         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 949         (PDR_NB_REFS): New.
 950         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 951
 952 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         Revert one of the previous commits:
 955         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 956         the computation of symmetric data dependence relations.
 957         (dependency_between_pbbs_p): Same.
 958
 959 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 960
 961         PR middle-end/40965
 962         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 963         any transform.
 964
 965 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 966
 967         * graphite-dependences.c (pddr_original_scattering): Return NULL
 968         for read-read dependence relations.
 969         * graphite-poly.h (enum poly_dr_type): Fix comment.
 970         (pdr_read_p): New.
 971         (pdr_write_p): New.
 972         (pdr_may_write_p): New.
 973
 974 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 975
 976         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 977         (struct poly_dr): Same.
 978         (new_poly_dr): Same.
 979         * graphite-poly.c (new_poly_dr): Same.
 980
 981 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 982             Sebastian Pop  <sebastian.pop@amd.com>
 983
 984         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 985         pbb_strip_mine_time_depth.  Changed the implementation so that
 986         transformation is expressed as a transformation on
 987         time (scatttering) dimensions.  Also, ensures that the 2d+1
 988         scheduling format is preserved.
 989         (pbb_strip_mine_profitable_p): Profitability is based on the
 990         iteration number of a given time (scattering) dimension,
 991         and not on a original loop depth dimension.
 992         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 993         (pbb_do_strip_mine): Call psct_dynamic_dim.
 994         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 995         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 996         (pbb_nb_dynamic_scattering_transform): New.
 997         (psct_dynamic_dim): New.
 998
 999 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1000
1001         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1002         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1003         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1004         * graphite-interchange.c (build_linearized_memory_access): Same.
1005         (memory_stride_in_loop): Same.
1006
1007 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1008
1009         * graphite-dependences.c (pddr_original_scattering): New.
1010         (graphite_legal_transform_dr): Call pddr_original_scattering.
1011         (dot_deps_1): New.
1012         (dot_deps): New.
1013         * graphite-dependences.h (dot_deps): Declared.
1014         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1015         (print_pdr): Print PDR_ID.
1016         * graphite-poly.h (struct poly_dr): Add field id.
1017         (PDR_ID): New.
1018         (pbb_index): New.
1019         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1020
1021 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1022
1023         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1024         not delete the original dependence relation.
1025
1026 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1027
1028         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1029         the computation of symmetric data dependence relations.
1030         (dependency_between_pbbs_p): Same.
1031
1032 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1033
1034         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1035         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1036         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1037         (free_poly_ddr): New.
1038         (pddr_is_empty): New.
1039         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1040         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1041         Remove fprintfs.
1042         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1043         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1044         * graphite-dependences.h (enum poly_dependence_kind): New.
1045         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1046         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1047         (PDRP_SINK): Renamed PDDR_SINK.
1048         (PDRP_DDP): Renamed PDDR_DDP.
1049         (PDDR_KIND): New.
1050         (free_poly_ddr): Declared.
1051         * graphite-poly.c (new_scop): Use the new hash function names.
1052         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1053         into original_pddrs.
1054         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1055
1056 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * Merge from mainline (150764:150992).
1059
1060 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1063         bounds with LT_EXPR to make niter analysis more precise on code
1064         generated by Graphite.
1065
1066 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1069         (graphite_legal_transform_bb): Same.
1070         (poly_drs_may_alias_p): Same.
1071
1072 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1073
1074         PR middle-end/40981
1075         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1076         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1077
1078 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-poly.c (print_pbb): Print PBB index.
1081
1082 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1083
1084         * Merge from mainline (r150672:150764).
1085
1086 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1087
1088         * graphite-interchange.c (ppl_max_for_le): Moved...
1089         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1090         * graphite-ppl.c (ppl_max_for_le): ... here.
1091         * graphite-ppl.h (ppl_max_for_le): Declared.
1092
1093 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * Merge from mainline (r150372:150672).
1096
1097 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         PR middle-end/40980
1100         * sese.c (convert_for_phi_arg): New.
1101         (add_guard_exit_phis): Use convert_for_phi_arg.
1102
1103         * testsuite/gfortran.dg/graphite/id-17.f: New.
1104
1105 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1108         unknown subscript upper bounds.
1109
1110         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1111
1112 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1113             Pranav Garg  <pranav.garg2107@gmail.com>
1114
1115         * graphite-interchange.c (gather_access_strides): Removed.
1116         (ppl_max_for_le): New.
1117         (build_linearized_memory_access): New.
1118         (memory_stride_in_loop): New.
1119         (pbb_interchange_profitable_p): Reimplemented.
1120         * graphite-ppl.h (ppl_new_id_map): New.
1121         (ppl_interchange): New.
1122
1123         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1124
1125 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-interchange.c (compute_subscript): Removed.
1128         (compute_array_size_cstr): Removed.
1129         (compute_array_size_poly): Removed.
1130         (compute_array_size): Removed.
1131         (gather_access_strides_poly): Removed.
1132         (gather_access_strides): Empty.
1133
1134 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1135
1136         * graphite-dependences.c (dependence_polyhedron_1): Replace
1137         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1138         (graphite_legal_transform_dr): Same.
1139         (graphite_carried_dependence_level_k): Same.
1140         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1141         Initialize PDR_NB_SUBSCRIPTS.
1142         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1143         PDR_NB_SUBSCRIPTS.
1144         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1145         (PDR_NB_SUBSCRIPTS): New.
1146         (pdr_nb_subscripts): Removed.
1147         (pdr_dim): Simplified.
1148         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1149         with PDR_NB_SUBSCRIPTS.
1150
1151 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * graphite-interchange.c (compute_array_size): Remove use of
1154         PDR_DATA_CONTAINER.
1155         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1156         Do not initialize PDR_DATA_CONTAINER.
1157         (print_pdr): Do not print PDR_DATA_CONTAINER.
1158         * graphite-poly.h (struct poly_dr): Remove data_container field.
1159         (PDR_DATA_CONTAINER): Removed.
1160         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1161         PDR_DATA_CONTAINER.
1162         (build_poly_dr): Same.
1163
1164 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1165
1166         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1167
1168 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1169             Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1172         copy of the dependence polyhedron.  Free the temporary objects.
1173         (graphite_carried_dependence_level_k): Free unused objects before
1174         returning.
1175
1176         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1177         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1178         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1179         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1180         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1181
1182 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1185         Early return without analyzing the data dependences if no
1186         transform has been done.  Call restore_scattering if the transform
1187         is not legal.
1188         (graphite-interchange.c): Same.
1189         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1190         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1191         (apply_poly_transforms): Do not gcc_assert that
1192         the transform is legal.
1193         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1194         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1195         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1196         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1197         * graphite-poly.h (struct poly_scattering): New.
1198         (struct poly_bb): Add original, transformed, and saved fields.
1199         Remove transformed_scattering, original_scattering, nb_local_variables,
1200         and nb_scattering_transform fields.
1201         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1202         (poly_scattering_new): New.
1203         (poly_scattering_free): New.
1204         (poly_scattering_copy): New.
1205         (store_scattering_pbb): New.
1206         (store_scattering): New.
1207         (restore_scattering_pbb): New.
1208         (restore_scattering): New.
1209         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1210         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1211
1212 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1215         (print_scop): Same.
1216
1217 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * Makefile.in (graphite.o): Depends on PREDICT_H.
1220         * graphite.c: Include predict.h.
1221         (graphite_finalize): Call tree_estimate_probability.
1222         * predict.c (predict_loops): Do not call scev_initialize and
1223         scev_finalize.
1224         (tree_estimate_probability_bb): New.
1225         (tree_estimate_probability): Do not initialize loops: move that
1226         code to the driver.  Call tree_estimate_probability_bb.
1227         (tree_estimate_probability_driver): New.
1228         (pass_profile): Use tree_estimate_probability_driver.
1229         * predict.h (tree_estimate_probability): Declared.
1230
1231 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1232
1233         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1234         * graphite-dependences.c (graphite_legal_transform): Add time to
1235         TV_GRAPHITE_DATA_DEPS.
1236         (dependency_between_pbbs_p): Same.
1237         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1238
1239 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * Merge from mainline (r149952:150372).
1242
1243 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1246         * graphite-blocking.c: Same.
1247         * graphite-clast-to-gimple.c: Same.
1248         * graphite-dependences.c: Same.
1249         * graphite-poly.c: Same.
1250         * graphite-poly.h: Same.
1251         * graphite-ppl.c: Same.
1252         * graphite-scop-detection.c: Same.
1253         * graphite-sese-to-poly.c: Same.
1254         * graphite.c: Same.
1255
1256 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1257
1258         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1259         (remove_simple_copy_phi): New.
1260         (remove_invariant_phi): New.
1261         (simple_copy_phi_p): New.
1262         (reduction_phi_p): New.
1263         (gsi_for_ssa_name_def): New.
1264         (insert_out_of_ssa_copy): New.
1265         (insert_out_of_ssa_copy_on_edge): New.
1266         (create_zero_dim_array): New.
1267         (scalar_close_phi_node_p): New.
1268         (rewrite_close_phi_out_of_ssa): New.
1269         (rewrite_phi_out_of_ssa): New.
1270         (rewrite_reductions_out_of_ssa): New.
1271         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1272
1273         * testsuite/gcc.dg/graphite/id-11.c: New.
1274         * testsuite/gcc.dg/graphite/id-15.c: New.
1275         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1276         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1277         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1278         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1279         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1280         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1281         * testsuite/gfortran.dg/graphite/id-13.f: New.
1282         * testsuite/gfortran.dg/graphite/id-5.f: New.
1283
1284 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1287         check that nb_reductions_in_loop is zero.
1288         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1289         reduction phi nodes.
1290         (nb_reductions_in_loop): Removed.
1291         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1292         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1293         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1294         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1295         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1296
1297 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1298
1299         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1300         statements that have an empty iteration domain.
1301         * testsuite/gfortran.dg/graphite/id-16.f: New.
1302
1303 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1304
1305         * tree-scalar-evolution.c (instantiate_scev_1): Return
1306         chrec_dont_know when the result is not above instantiate_below.
1307         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1308         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1309         the tree has a known scalar evolution.
1310         * testsuite/gfortran.dg/graphite/id-14.f: New.
1311         * testsuite/gfortran.dg/graphite/id-15.f: New.
1312
1313 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1314
1315         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1316         insert_gsi.
1317         (rename_variables): Keep inserting renames after the ones already
1318         inserted.
1319
1320 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-sese-to-poly.c (compare_bb_depths): New.
1323         (graphite_sort_dominated_info): New.
1324         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1325         (build_scop_scattering): Fix comment.
1326
1327 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1328
1329         * graphite.c (graphite_finalize): Call print_loops instead of
1330         dump_function_to_file.
1331         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1332         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1333         loops generated in the graphite output file.
1334         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1335         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1336         * testsuite/gfortran.dg/graphite/id-12.f: New.
1337
1338 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1339
1340         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1341         Remove 2 XFAIL.
1342
1343 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1344             Tobias Grosser  <grosser@fim.uni-passau.de>
1345
1346         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1347         alias set number build alias in ACCESSES polyhedron.
1348         (build_alias_set_for_drs): New.
1349         (build_pbb_drs): Added build_alias_set_for_drs.
1350         * graphite-dependences.c (poly_drs_may_alias_p): New.
1351         (graphite_carried_dependence_level_k): Check alias information
1352         before building polyhedron.
1353
1354 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1355
1356         * Makefile.in (lambda-code.o): Fix formatting.
1357
1358 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1359
1360         * Merge from mainline (r149350-149952)
1361
1362 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1363
1364         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1365         before interchange to prepare for loop blocking.
1366
1367 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1368
1369         * graphite-poly.c (apply_poly_transforms): Add checks after every
1370         transformation.
1371         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1372         done in apply_poly_transforms.
1373
1374 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1375
1376         * graphite-dependences.c (build_lexicographically_gt_constraint):
1377         Replace RES parameter with *RES.
1378         (dependence_polyhedron_1): Pass an address of the parameter RES
1379         instead of value of RES.
1380
1381 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1382
1383         * graphite.c (graphite_finalize): Fix comment.
1384         (graphite_transform_loops): Reset scev info after code generation
1385         of each scop.
1386
1387 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1388
1389         * graphite.c (graphite_finalize): Call scev_reset.
1390
1391 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1394         GBB_CLOOG_IV_TYPES hash table twice.
1395         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1396         (add_condition_to_domain): Clear GMP values.
1397
1398 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1399
1400         * graphite-dependences.c: Fix formatting.
1401         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1402         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1403         * graphite-sese-to-poly.c: Fix formatting.
1404         * graphite.c (graphite_transform_loops): Create the hash table
1405         after the early return.
1406
1407 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * testsuite/gcc.dg/graphite/id-14.c: New.
1410         * testsuite/gcc.dg/graphite/pr40157.c: New.
1411         * testsuite/gfortran.dg/graphite/id-11.f: New.
1412
1413 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1414
1415         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1416         (build_poly_scop): Return false when there are no pbbs within
1417         loops to avoid to pass to cloog scops with no loops.
1418
1419 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1422         useless test "i % 2".
1423         (build_pbb_scattering_polyhedrons): Fix formatting.
1424         (build_poly_dr): Same.
1425         * graphite.c (graphite_transform_loops): Restructure.
1426
1427 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1428
1429         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1430         reduction_list parameter.
1431         (rewrite_all_phi_nodes_with_iv): Same.
1432         (canonicalize_loop_ivs): Same.
1433         * tree-parloops.c (struct brli): Removed.
1434         (build_reduction_list_info): Removed.
1435         (build_new_reduction): New.
1436         (analyze_reduction_list): Removed.
1437         (gather_scalar_reductions): Find reductions instead of phi
1438         nodes that can't be canonicalized.
1439         (try_create_reduction_list): Remove reduction_list parameter.
1440         (gen_parallel_loop): Same.
1441         (parallelize_loops): Remove analyze_reductions variable,
1442         initialization and free.
1443         Change reduction_list htab initialization to reduction_info
1444         elements instead of ssa names.
1445         Call try_create_reduction_list and gen_parallel_loop without
1446         analyzed_reduction argument.
1447         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1448         canonicalize_loop_ivs with one less argument.
1449         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1450
1451 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1452
1453         * graphite-dependences.c (new_poly_dr_pair): New.
1454         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1455         (new_poly_dr_pair): New.
1456         (eq_poly_dr_pair_p): New.
1457         (hash_poly_dr_pair_p): New.
1458         * graphite-dependences.h (struct poly_dr_pair): New.
1459         (eq_poly_dr_pair_p): Declared.
1460         (hash_poly_dr_pair_p): Declared.
1461         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1462         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1463         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1464         * Makefile.in (graphite-poly.o): Add dependence on
1465         graphite-dependences.h.
1466
1467 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1470         polynomials of degree > 1 pass to Graphite.
1471         * tree-chrec.c (scev_is_linear_expression): Call
1472         evolution_function_is_affine_multivariate_p.
1473         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1474
1475 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1476
1477         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1478         Instantiate scevs varying in outer loops.
1479         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1480
1481 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1484         redundant constraint.
1485
1486 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1487
1488         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1489         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1490         based on the file names as in the C testsuite.
1491         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1492         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1493         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1494         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1495         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1496         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1497         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1498         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1499         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1500         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1501         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1502         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1503         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1504
1505 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         * sese.c (expand_scalar_variables_call): New.
1508         (expand_scalar_variables_ssa_name): Handle calls in expander.
1509
1510 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1511
1512         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1513         Expect to see the pattern twice.
1514         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1515         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1516         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1517
1518 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * testsuite/gcc.dg/graphite/id-10.c: New.
1521         * testsuite/gcc.dg/graphite/id-12.c: New.
1522         * testsuite/gfortran.dg/graphite/id-7.f: New.
1523         * testsuite/gfortran.dg/graphite/id-8.f: New.
1524
1525 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1526
1527         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1528         zero.
1529
1530 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1533
1534 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1535
1536         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1537
1538 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1539
1540         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1541         building PDR subscripts.
1542
1543 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1546         computation of array sizes.
1547
1548 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1549
1550         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1551
1552 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1553
1554         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1555         build_pairwise_constraint, dr_equality_constraints,
1556         build_pairwise_scheduling_equality,
1557         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1558         build_lexicographically_gt_constraint, dependence_polyhedron,
1559         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1560         Move from NNC_Polyhedron to C_Polyhedron.
1561         * graphite-interchange.c (compute_array_size_poly,
1562         gather_access_strides): Dito.
1563         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1564         free_scop, pbb_number_of_iterations): Dito.
1565         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1566         pbb_dim_iter_domain, struct scop): Dito.
1567         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1568         new_Cloog_Domain_from_ppl_Polyhedron,
1569         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1570         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1571         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1572         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1573         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1574         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1575         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1576         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1577         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1578         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1579         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1580         build_scop_iteration_domain, build_poly_dr): Dito
1581
1582 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1585         run-id-*.c files.
1586         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1587
1588 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1589
1590         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1591         positivity constraint on the symbolic number of iterations.
1592
1593 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1594
1595         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1596
1597 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1598             Tobias Grosser  <grosser@fim.uni-passau.de>
1599
1600         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1601         (build_cloog_prog): Directly use SCOP_CONTEXT.
1602         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1603         (free_scop): Free SCOP_CONTEXT.
1604         (print_scop_context): New.
1605         (print_scop): Call print_scop_context.
1606         (debug_scop_context): New.
1607         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1608         (struct scop): Added field context.
1609         (SCOP_CONTEXT): New.
1610         * graphite-sese-to-poly.c (add_param_constraints): New.
1611         (build_scop_context): New.
1612         (build_poly_scop): Call build_scop_context.
1613
1614 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1617         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1618         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1619         * graphite-ppl.h: Include double-int.h and tree.h.
1620         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1621         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1622         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1623         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1624
1625 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1628         POINTER_PLUS_EXPR for pointer types.
1629         (clast_to_gcc_expression): Same.
1630
1631 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1632
1633         * graphite-poly.c (print_scattering_function): Early return when
1634         PBB_TRANSFORMED_SCATTERING is not initialized.
1635         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1636
1637 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1640         to fix bootstrap.
1641
1642 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1643
1644         * tree-parloops.c (analyze_reduction_list): Change return
1645         value to void.
1646         (try_create_reduction_list): Move the call to
1647         analyze_reduction_list to the beginining.
1648         Call reduction_phi with analyzed_reductions as argument
1649         instead of reduction_list.
1650
1651 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1652
1653         *  Merge from mainline (r148296:149346)
1654
1655 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * graphite-scop-detection.c (graphite_can_represent_init): New.
1658         (graphite_can_represent_scev): Call graphite_can_represent_init:
1659         check that the initial value does not contain multiplications of
1660         parameters.
1661         (stmt_has_simple_data_refs_p): New.
1662         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1663         (is_simple_operand): Fix formatting.
1664         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1665
1666 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         * testsuite/gcc.dg/graphite/id-13.c: New.
1669         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1670         analyze_scalar_evolution, use scalar_evolution_in_region.
1671         (scan_tree_for_params_right_scev): Add extra assert.
1672         (parameter_index_in_region_1): Split from parameter_index_in_region.
1673         (idx_record_params): Use scalar_evolution_in_region.
1674         (find_params_in_bb): Same.
1675         (find_scop_parameters): Same.
1676         (build_loop_iteration_domains): Same.
1677         (create_linear_expr_from_tree): Same.
1678         * sese.c (scalar_evolution_in_region): New.
1679         * sese.h (scalar_evolution_in_region): Declared.
1680         (defined_in_sese_p): New.
1681         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1682         static anymore.
1683         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1684         Declared.
1685
1686 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1689         TREE_DATA_REF_H also implies SCEV_H.
1690
1691 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite-poly.c (print_scop_params): New.
1694         (print_scop): Call print_scop_params.
1695         (debug_scop_params): New.
1696         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1697
1698 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1699
1700         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1701         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1702         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1703         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1704         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1705         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1706
1707 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1708
1709         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1710         for dependency checking part.
1711         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1712         tests for dependency checking.
1713         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1714         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1715         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1716         flag -fdump-tree-graphite-all for autopar testsuites.
1717
1718 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1719
1720         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1721         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1722         canonicalize_loop_ivs): Moved...
1723         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1724
1725 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * tree-parloops.c (try_create_reduction_list): Pass an extra
1728         argument analyzed_reductions.  Call analyze_reduction_list.
1729         (gen_parallel_loop): Do not call analyze_reduction_list.
1730         (parallelize_loops): Init and finalize analyzed_reductions.
1731
1732 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1733
1734         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1735         Added flag -fno-loop-strip-mine for autopar testcase.
1736
1737 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1738
1739         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1740         transformed scattering dimension instead of unmatch orignal when
1741         calling dependence_polyhedron.
1742
1743 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1746
1747 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1750         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1751
1752 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1753
1754         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1755         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1756         * graphite-poly.c (pbb_number_of_iterations): New.
1757         * graphite-poly.h (pbb_number_of_iterations): Declared.
1758         (pbb_iterator_dim, pbb_parameter_dim): New.
1759
1760 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1763         last commit on type of lower and upper bound of loops.
1764
1765 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1766
1767         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1768         graphite-dependences.h.
1769         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1770         (mark_bb_with_pbb): New.
1771         (get_stmtfor_depth): New.
1772         (find_pbb_via_hash): New.
1773         (dependency_in_loop_p): New.
1774         (mark_loops_parallel): New.
1775         (free_aux_in_new_loops): New.
1776         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1777         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1778         innermost loop parallel without checking.
1779         (gloog): Add parameter BB_PBB_MAPPING.
1780         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1781         (gloog): Change declaration.
1782         (mark_loop_parallel): Make extern.
1783         (free_aux_in_new_loops): Declare.
1784         (bb_pbb_map_hash): New.
1785         (eq_bb_pbb_map): New.
1786         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1787         auto parallelization when flag_graphite_force_parallel is set.
1788         (graphite_finalize): Added free_aux_in_new_loops.
1789         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1790         the innermost loop that marked parallel.  Use
1791         flag_graphite_force_parallel instead of loop->can_be_parallel.
1792         (loop_parallel_p): Move inner most checking out of function.
1793
1794 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1795
1796         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1797         type of lower and upper bound of loops signed long int.
1798
1799 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1802         expression outside the loop.
1803
1804 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1805
1806         * gcc.dg/graphite/interchange-8.c: New.
1807
1808 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * gcc.dg/graphite/interchange-0.c: XFailed.
1811         * gcc.dg/graphite/interchange-5.c: XFailed.
1812         * gcc.dg/graphite/interchange-6.c: XFailed.
1813
1814 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1815
1816         * graphite-interchange.c (compute_array_size_poly): The end of the
1817         recursion should return 1.
1818
1819 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1820
1821         * graphite-interchange.c (compute_array_size_cstr): Allow the
1822         subscript multiplier to be -1.
1823         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1824         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1825         data_container.  Initializes PDR_DATA_CONTAINER.
1826         (print_pdr_access_layout): New.
1827         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1828         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1829         data_container.
1830         (PDR_DATA_CONTAINER): New.
1831         (new_poly_dr): Update declaration.
1832         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1833         (build_poly_dr): Call pdr_add_data_dimensions.
1834
1835 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         * graphite-poly.h (struct poly_dr): Fix comment.
1838         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1839         (pdr_add_memory_accesses): New.
1840         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1841
1842 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1843
1844         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1845         (print_pbb): Add call to print_pdrs.
1846         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1847
1848 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1849             Li Feng <nemokingdom@gmail.com>
1850
1851         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1852         (dependency_between_pbbs_p): New.
1853         (lexicographically_gt_p): Assure !empty_p before polyhedron
1854         intersection assign.
1855         (build_lexicographically_gt_constraint): Correct lexicographically
1856         judging.
1857         * graphite-dependences.h: New.
1858         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1859
1860 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1863         (gloog): Print to dump_file the generated clast.
1864         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1865         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1866
1867 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1868
1869         * graphite-poly.c (extend_scattering): Increment
1870         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1871
1872 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * graphite-interchange.c (compute_array_size_poly): Added exit of
1875         recursion condition.  Continue iterating even after the first equality.
1876         (compute_array_size): Same.
1877
1878 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1879
1880         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1881         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1882         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1883         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1884         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1885
1886 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1887
1888         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1889         only when the use verifies is_gimple_reg.
1890
1891 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1892
1893         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1894         Allocate scaldims after call to unify_scattering_dimensions.
1895
1896 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1899
1900 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1901             Albert Cohen  <albert.cohen@inria.fr>
1902
1903         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1904         variables for the strip mining.
1905
1906 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1907             Pranav Garg  <pranav.garg2107@gmail.com>
1908
1909         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1910         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1911         (graphite-blocking.o): New rule.
1912         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1913         * graphite-blocking.c: New.
1914         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1915         flag_loop_strip_mine.
1916         (psct_scattering_dim_for_loop_depth): New.
1917         * graphite-poly.h (scop_do_strip_mine): Declared.
1918         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1919         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1920         flag_loop_strip_mine.
1921
1922 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1925         a GMP value and a PPL coefficient at each iteration of a loop.
1926
1927 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * graphite-dependences.c (dependence_polyhedron): Do not use
1930         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1931         pbb_nb_scattering_transform.
1932         (graphite_legal_transform_dr): Same.
1933         * graphite-poly.c (extend_scattering): Same.
1934         (unify_scattering_dimensions): Same.
1935         (print_scattering_function): Same.
1936         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1937         PBB_NB_LOCAL_VARIABLES.
1938         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1939         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1940         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1941         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1942         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1943         (pbb_nb_scattering_transform): New.
1944         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1945         (psco_scattering_dim): Add assert on parameters.
1946         (psct_scattering_dim): Same.
1947         (psct_scattering_dim_for_loop_depth): Declared.
1948         (psct_local_var_dim): New.
1949         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1950         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1951         correct layout, call pbb_nb_local_vars.
1952         (psct_add_local_variable, psct_add_scattering_dimension): New.
1953         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1954         Initialize PBB_NB_SCATTERING_TRANSFORM.
1955
1956 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1959         (set_coef): Renamed ppl_set_coef.
1960         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1961
1962 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1963
1964         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1965         test a boolean against 1.
1966         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1967         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1968         (pbb_do_interchange): Returns true when a transform has been performed.
1969         (scop_do_interchange): Same.
1970         * graphite-poly.c (apply_poly_transforms): Use the return value of
1971         scop_do_interchange.
1972         * graphite-poly.h (scop_do_interchange): Update declaration.
1973
1974 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1975
1976         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1977         after last use.
1978         * sese.c (sese_reset_aux_in_loops): New.
1979         * sese.h (sese_reset_aux_in_loops): New.
1980
1981 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1982
1983         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1984         multiplier and multiply the constant by the multiplier.
1985         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1986         (build_poly_dr): Do not use the multiplier to define the subscript.
1987
1988 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1991         compiler's data reference.  Initialize PDR_CDR.
1992         (print_pdr): Call dump_data_reference.
1993         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1994         Add compiler_dr field.
1995         (PDR_BB): Renamed PDR_PBB.
1996         (PDR_CDR): New.
1997         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1998         GCC's data reference representation.
1999         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2000         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2001
2002 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         * graphite-poly.c (print_scattering_function): Also print the layout.
2005         * graphite-poly.h (pbb_nb_local_vars): New.
2006
2007 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2008
2009         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2010
2011 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2012
2013         * graphite-poly.c (print_pdr, debug_pdr): New.
2014         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2015         (PDR_BASE): Removed.
2016
2017 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2020         ltrans-{1..6,8}.c.
2021
2022 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2025         subscript identification column.
2026         (pbb_do_interchange): Print to dump_file that some loops "will be
2027         interchanged".  Rely on that chain of characters in the testcases.
2028         * gcc.dg/graphite/interchange-0.c: New.
2029         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2030         interchange-*.c files and compile them with -floop-interchange.
2031
2032 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2033
2034         * graphite-interchange.c (interchange_profitable_p): Renamed
2035         pbb_interchange_profitable_p.
2036
2037 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2038             Harsha Jagasia  <harsha.jagasia@amd.com>
2039             Pranav Garg  <pranav.garg2107@gmail.com>
2040
2041         * graphite-interchange.c (interchange_profitable_p): Make static.
2042         (pbb_interchange_loop_depths, pbb_do_interchange,
2043         scop_do_interchange): New.
2044         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2045         for flag_loop_interchange.
2046         * graphite-poly.h (scop_do_interchange): Declared.
2047         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2048         flag_loop_interchange is used.
2049
2050 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * graphite-dependences.c (dependence_polyhedron): Update use of
2053         pbb_nb_scattering_dims.
2054         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2055         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2056         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2057         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2058
2059 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2060
2061         * graphite.c: Cleanup foo.
2062
2063 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2064
2065         * Merge from mainline (r143684:148293).
2066         * Disabled libpcp until it gets fixed.
2067
2068 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2069             Harsha Jagasia  <harsha.jagasia@amd.com>
2070
2071         * graphite-interchange.c: New.
2072         * Makefile.in (graphite-interchange.o): New.
2073         * graphite-poly.h (interchange_profitable_p): Declared.
2074         * graphite-ppl.h (value_max): New.
2075
2076 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2079         * graphite-poly.h: Fix some comments.
2080         (pdr_dim): New.
2081         (pdr_scop): New.
2082
2083 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2084
2085         * graphite-poly.h
2086         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2087         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2088         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2089         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2090         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2091         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2092         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2093         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2094         * graphite-clast-to-gimple.c: Same.
2095         * graphite-dependences.c: Same.
2096         * graphite-poly.c: Same.
2097         * graphite-sese-to-poly.c: Same.
2098
2099 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2100
2101         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2102         expressions for an IV rename, as returned by clast_to_gcc_expression.
2103         (copy_renames): Rename new_name to expr.
2104         * sese.c (debug_rename_elt): Same.
2105         (get_rename): Same.
2106         (set_rename): Same.
2107         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2108         the information from the rename map.
2109         (rename_variables_in_stmt): Same.
2110         (add_loop_exit_phis): Rename new_name to expr.
2111         (insert_loop_close_phis): Same.
2112         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2113         * sese.h (struct rename_map_elt): Rename new_name to expr.
2114         (new_rename_map_elt): Same.
2115
2116 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2117
2118         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2119         * sese.c (set_rename): Make it extern.
2120         * sese.h (set_rename): Declared.
2121
2122 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2123
2124         * graphite-poly.c (extend_scattering): Free values.
2125         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2126         Free iterators.
2127         (ppl_print_powerset_matrix): Same.
2128         * graphite-scop-detection.c (free_scops_1): New.
2129         (limit_scops): Call free_scops_1.
2130         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2131         (build_poly_dr): Free PPL coefficients.
2132         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2133
2134 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2135
2136         * graphite-dependences.c: New.
2137         * graphite-data-ref.c: Removed.
2138         * graphite-data-ref.h: Removed.
2139         * Makefile.in (graphite-data-ref.o): Removed.
2140         (graphite-dependences.o): Added.
2141         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2142         * graphite-poly.c: Same.
2143         Move the data dependence testing to graphite-dependences.c.
2144
2145 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2146
2147         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2148         from graphite_cannot_represent_loop. Code refactored.
2149         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2150
2151 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2152
2153         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2154         Cover all the testcases (not only the filtered ones).
2155
2156 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2157
2158         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2159         unnecessary check. Update comments. Move check for REAL_TYPE here.
2160         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2161         done in (stmt_simple_for_scop_p).
2162
2163 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2164
2165         * graphite.c (print_global_statistics): New.
2166         (print_graphite_scop_statistic): New.
2167         (print_graphite_statistics): New.
2168         (graphite_initialize, graphite_transform_loops): Print statistics.
2169         * graphite-scop-detection (build_scops): Print statistics.
2170         (print_graphite_scop_statistics): New.
2171         (print_graphite_statistics): New.
2172
2173 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2176         (debug_clast_name_index): Removed.
2177         (debug_clast_name_indexes_1): Removed.
2178         (debug_clast_name_indexes): Removed.
2179         (clast_name_index_elt_info): Removed.
2180         (eq_clast_name_indexes): Removed.
2181         (clast_name_to_index): Removed.
2182         (new_clast_name_index): Removed.
2183         (save_clast_name_index): Removed.
2184         (save_var_name): Moved...
2185         (init_sese_params_index): Removed.
2186         (clast_name_to_gcc): Remove use of name_tree.
2187         (initialize_cloog_names): Same.
2188         (gloog): Do not call init_sese_params_index.
2189         * graphite-sese-to-poly.c (save_var_name): ...here.
2190         (parameter_index_in_region): New.
2191         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2192         (parameter_index_in_region): Removed.
2193         (is_parameter): Remove use of name_tree.
2194         * sese.h (struct name_tree): Removed.
2195         (struct sese): Remove use of name_tree.  New field params_names.
2196         (SESE_PARAMS_NAMES): New.
2197         (SESE_PARAMS): Remove duplicate.
2198         (parameter_index_in_region): Removed.
2199         (sese_nb_params): Remove use of name_tree.
2200         (struct clast_name_index): New.
2201         (new_clast_name_index): New.
2202         (clast_name_to_index): New.
2203         (save_clast_name_index): New.
2204         (debug_clast_name_index): New.
2205         (debug_clast_name_indexes_1): New.
2206         (debug_clast_name_indexes): New.
2207         (clast_name_index_elt_info): New.
2208         (eq_clast_name_indexes): New.
2209
2210 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2211
2212         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2213         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2214         (graphite_loop_normal_form): Do not pass region.  Do not
2215         initialize SESE_OLDIVS.
2216         (build_graphite_loop_normal_form): Update call to
2217         graphite_loop_normal_form.
2218         * sese.c (debug_oldivs): Removed.
2219         (new_sese): Do not initialize SESE_OLDIVS.
2220         (free_sese): Do not free SESE_OLDIVS.
2221         (oldiv_for_loop): Removed.
2222         * sese.h (struct sese): Remove old_ivs.
2223         (SESE_OLDIVS): Removed.
2224         (oldiv_for_loop): Removed.
2225
2226 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2229         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2230         replaced by a call to newivs_to_depth_to_newiv.
2231         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2232         (clast_to_gcc_expression_red): Same.
2233         (gcc_type_for_clast_expr): Same.
2234         (gcc_type_for_clast_eq): Same.
2235         (graphite_translate_clast_equation): Same.
2236         (graphite_create_guard_cond_expr): Same.
2237         (graphite_create_new_guard): Same.
2238         (graphite_create_new_loop): Same.
2239         (build_iv_mapping): Same.
2240         (translate_clast): Same.
2241         (gloog): Same.
2242         (loop_iv_stack_patch_for_consts): Removed.  *
2243         sese.c (iv_stack_entry_is_constant): Removed.
2244         (iv_stack_entry_is_iv): Removed.
2245         (loop_iv_stack_push_iv): Removed.
2246         (loop_iv_stack_insert_constant): Removed.
2247         (loop_iv_stack_pop): Removed.
2248         (loop_iv_stack_get_iv): Removed.
2249         (loop_iv_stack_get_iv_from_name): Removed.
2250         (debug_loop_iv_stack): Removed.
2251         (free_loop_iv_stack): Removed.
2252         (loop_iv_stack_remove_constants): Removed.  *
2253         sese.h (iv_stack_entry_kind): Removed.
2254         (iv_stack_entry_data_union): Removed.
2255         (iv_stack_entry_struct): Removed.
2256         (iv_stack_entry_p): Removed.
2257         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2258         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2259         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2260         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2261         (gbb_loop_at_index): Fix indenting.
2262         (gbb_loop_index): Removed.
2263
2264 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2265
2266         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2267         Call clast_name_to_index.
2268
2269 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2272         do not pass params.  Get params from SESE_PARAMS.
2273         (clast_to_gcc_expression): Same.
2274         (clast_to_gcc_expression_red): Same.
2275         (gcc_type_for_clast_eq): Same.
2276         (graphite_translate_clast_equation): Same.
2277         (graphite_create_new_loop): Same.
2278         * sese.c (rename_variables_in_stmt): Fix comment.
2279
2280 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2281
2282         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2283         newivs_index.
2284         Call save_clast_name_index.
2285         (translate_clast): Pass newivs_index.
2286         (gloog): Create and free newivs_index.
2287
2288 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2291         (clast_name_index_p): New type.
2292         (debug_clast_name_index): New.
2293         (debug_clast_name_indexes_1): New.
2294         (debug_clast_name_indexes): New.
2295         (clast_name_index_elt_info): New.
2296         (eq_clast_name_indexes): New.
2297         (clast_name_to_index): New.
2298         (new_clast_name_index): New.
2299         (save_clast_name_index): New.
2300         (init_sese_params_index): New.
2301         (gloog): Call init_sese_params_index.
2302         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2303         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2304         (free_sese): Free SESE_PARAMS_INDEX.
2305         * sese.h (struct sese): Add params_index.
2306         (SESE_PARAMS_INDEX): New.
2307
2308 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2311         (graphite_create_new_loop): Pass the newivs vector.  Push the
2312         newly created IV to newivs.
2313         (translate_clast): Pass the newivs vector.
2314         (gloog): Create and destroy the newivs vector.
2315
2316 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2319         (graphite_loop_normal_form): Initialize loop->aux with the unique
2320         IV that has been created.
2321
2322 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2323
2324         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2325         scev with parameters in the base part. They where forbidden
2326         exidently.
2327
2328 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2329
2330         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2331         compile options by file names.
2332         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2333         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2334         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2335         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2336
2337 2009-05-08  Li Feng <nemokingdom@gmail.com>
2338
2339         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2340         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2341         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2342         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2343
2344 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2345
2346         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2347         by final cleanup.
2348
2349 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2350
2351         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2352         allow integer constant strides.
2353         (graphite_can_represent_expr): Depend on outermost_loop.
2354         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2355         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2356         build_scops_1): Same.
2357         (scopdet_basic_block_info): Same and insert layered SCoP
2358         detection.
2359         (try_generate_gimple_bb): Cleanup.
2360         (build_scops): Enable data references.
2361
2362         * testsuite/gcc.dg/graphite/id-5.c: New.
2363         * testsuite/gcc.dg/graphite/id-9.c: New.
2364         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2365         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2366
2367 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2368
2369         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2370         that we have not yet built for this SCoP.
2371
2372 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2373
2374         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2375         for complex numbers.
2376
2377 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2378
2379         * graphite-ppl.c: Fix build if cloog is not available.
2380
2381 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2382
2383         * tree-parloops.c (loop_parallel_p): Remove construction of
2384         NITER and REDUCTION_LIST.
2385         (try_get_loop_niter): New.
2386         (try_create_reduction_list): New.
2387         (parallelize_loops): Bypass the failed checkings in autopar
2388         when can_be_parallel in loop structure is set to true.
2389
2390 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2391
2392         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2393         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2394
2395 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2396
2397         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2398         Enable EQ_EXPR and NE_EXPR again.
2399
2400 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2401
2402         * graphite-scop-detection.c (graphite_can_represent_scev):
2403         Add check if scev is affine multivariate.
2404         (harmful_stmt_in_bb): Check if we can represent the conditions.
2405         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2406         harmful_stmt_in_bb.
2407         * testsuite/gcc.dg/graphite/id-7.c: New.
2408
2409 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2410
2411         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2412         Check all bbs in region, not only the bbs that are represented in
2413         GRAPHITE.
2414         (build_poly_scop): Add newline.
2415         * testsuite/gcc.dg/graphite/id-8.c: New.
2416
2417 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2418
2419         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2420         when loop initialize.
2421         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2422         * common.opt: Declare flag_graphite_force_parallel.
2423         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2424         loop parallel.
2425         * graphite-poly.c (apply_poly_transforms): Introduce
2426         flag_graphite_force_parallel.
2427         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2428         * toplev.c (process_options): ditto and replace a not correctly
2429         encoded space.
2430
2431 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2432
2433         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2434         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2435         to the redefinition.
2436         (compute_cloog_iv_types_1): ditto.
2437         (build_iv_mapping): ditto.
2438         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2439         initialization.
2440         (free_gimple_bb): Removed GBB_LOOPS related free part.
2441         (build_bb_loops): Removed.
2442         * sese.h (struct gimple_bb): Removed loops.
2443         (GBB_LOOPS): Removed.
2444         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2445         (gbb_loop_index): ditto.
2446
2447 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2448
2449         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2450         allow non constant strides.
2451         * testsuite/gcc.dg/graphite/scop-20.c: New.
2452
2453 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2454
2455         * graphite-scop-detection.c (dot_all_scops): Fix system call
2456         return value warning.
2457         (dot_scop): Same.
2458
2459 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2462         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2463
2464 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2465
2466         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2467         build_pairwise_constraint, dr_equality_constraints,
2468         build_pairwise_scheduling_equality,
2469         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2470         build_lexicographically_gt_constraint, dependence_polyhedron,
2471         graphite_legal_transform_dr, graphite_legal_transform_bb,
2472         graphite_legal_transform): New.
2473         * graphite-poly.h (graphite_legal_transform): Declared.
2474         * graphite-sese-to-poly.c (build_poly_scop): Call to
2475         graphite_legal_transform is disabled for the moment.
2476
2477 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2478
2479         * graphite-poly.h (pbb_nb_scattering_dims): New.
2480         (pbb_nb_scattering): Use it.
2481
2482 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2485         Pointset_Powerset version of ppl_insert_dimensions.
2486         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2487
2488 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2491
2492 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2493
2494         * graphite-poly.h: Fix comment.
2495
2496 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2499
2500 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2501
2502         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2503         statements.
2504
2505 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2506
2507         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2508         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2509         conditions.
2510
2511 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2512
2513         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2514         handle EQ_EXPR and NE_EXPR.
2515
2516 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2517
2518         * graphite-poly.h (poly_dr): Fix comment.
2519
2520 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2521             Tobias Grosser  <grosser@fim.uni-passau.de>
2522
2523         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2524         with a zero dimension polyhedron.
2525         (find_scop_parameters): Move the call to scop_set_nb_params here.
2526         (build_loop_iteration_domains): Store in loop->aux the iteration
2527         domain polyhedron.
2528         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2529         by any loop in scop.
2530         (build_poly_scop): Do not call scop_set_nb_params.
2531
2532 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2533             Tobias Grosser  <grosser@fim.uni-passau.de>
2534
2535         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2536         add_condition_to_domain not GT_EXPR.
2537
2538 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2539
2540         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2541         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2542         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2543         upper_bound_assign to calculate unions.
2544         * testsuite/gcc.dg/graphite/id-6.c: New.
2545
2546 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2547
2548         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2549         handle abnormal edges.
2550
2551 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2552
2553         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2554         (free_poly_bb): Also free poly_drs.
2555         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2556         (poly_dr): Polyhedron to Pointset_Powerset.
2557         (pdr_accessp_nb_subscripts): Same.
2558         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2559         poly_drs.
2560
2561 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2564         names into more meaningful names.
2565
2566 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2569         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2570
2571 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2574         the reduction_list.
2575         * tree-parloops.c (rewrite_phi_with_iv): New.
2576         (rewrite_all_phi_nodes_with_iv): New.
2577         (canonicalize_loop_ivs): Call them.
2578
2579 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2580
2581         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2582         graphite_find_data_references_in_stmt.
2583         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2584         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2585
2586 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2589
2590 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2591
2592         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2593         instead of bb_in_region.
2594         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2595         (build_sese_conditions): Use flag_bb_in_sese.
2596         * sese.c (register_bb_in_sese): Removed.
2597         (new_sese): Remove initialization of SESE_REGION_BBS.
2598         (free_sese): Do not free SESE_REGION_BBS.
2599         * sese.h (struct sese): Remove field region_basic_blocks.
2600         (SESE_REGION_BBS): Removed.
2601         (bb_in_sese_p): Implement in function of bb_in_region.
2602
2603 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2604
2605         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2606         loops.
2607
2608 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2609
2610         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2611         and EQ_EXPR.
2612         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2613         (add_condition_to_domain): New.
2614         (add_condition_to_pbb): New.
2615         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2616         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2617
2618 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2619
2620         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2621         ppl_Pointset_Powerset.
2622         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2623         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2624         (pbb_nb_loops): Same.
2625         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2626         add_conditions_to_domain): Same.
2627         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2628         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2629         ppl_const_Polyhedron_t.
2630         (ppl_print_powerset_matrix): New.
2631         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2632         ppl_print_powerset_matrix): New.
2633         (ppl_print_polyhedron_matrix): Updated.
2634
2635 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2638
2639 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2640
2641         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2642         (print_iteration_domains, debug_iteration_domain,
2643         debug_iteration_domains): New.
2644         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2645         debug_iteration_domains): Declared.
2646         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2647         indenting.
2648
2649 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2650             Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-poly.h (print_iteration_domain): New.
2653         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2654         (build_sese_conditions_1, build_sese_conditions_after,
2655         build_sese_conditions_before): New.
2656         (build_sese_conditions): Rewritten.
2657
2658 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2659             Tobias Grosser  <grosser@fim.uni-passau.de>
2660
2661         Cleanup of code generation liveouts.
2662         * graphite-clast-to-gimple.c (translate_clast): Use a single
2663         rename_map instead of one per translated statement.
2664         Do not use SESE_LIVEOUT_RENAMES.
2665         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2666         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2667         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2668         phi node of a reduction: when a loop contains a reduction used outside
2669         the loop, there should be a scalar close phi node on the exit block.
2670         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2671         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2672         (free_sese): Do not free them.
2673         (sese_build_liveouts_use): Do not use them.
2674         (sese_build_liveouts_bb): Same.
2675         (sese_build_liveouts): Same.
2676         (sese_insert_phis_for_liveouts): Same.
2677         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2678         (defined_in_loop_p): New.
2679         (alive_after_loop): New.
2680         (close_phi_not_yet_inserted_p): New.
2681         (struct alep, alep_p): New.
2682         (add_loop_exit_phis): Remove from the rename_map all the names defined
2683         in the code generated loop.
2684         (insert_loop_close_phis): Traverse the rename_map passed to it.
2685         Don't use SESE_LIVEOUT_RENAMES.
2686         (default_liveout_before_guard): Renamed default_before_guard.
2687         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2688         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2689         (register_sese_liveout_renames): Removed.
2690         (copy_bb_and_scalar_dependences): Do not call it.
2691         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2692         reduction_list.
2693         (SESE_LIVEOUT): Removed.
2694         (SESE_LIVEOUT_RENAMES): Removed.
2695         (SESE_REDUCTION_LIST): Removed.
2696         (sese_build_liveouts): Removed.
2697         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2698         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2699         (insert_guard_phis): Same.
2700         (rename_map_elt): Declare a VEC of them.
2701         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2702         trees not pointers to trees.
2703
2704         Rewrite in canonical close SSA form:
2705         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2706         (limit_scops): Close the scop after the block containing the close phi
2707         nodes.
2708         (canonicalize_loop_closed_ssa): New.
2709         (canonicalize_loop_closed_ssa_form): New.
2710         (build_scops): Call canonicalize_loop_closed_ssa_form.
2711
2712         * graphite-sese-to-poly.c: Fix typos.
2713
2714 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2715
2716         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2717         Extended.
2718         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2719         (print_pbb): Add conditions.
2720
2721 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2722             Sebastian Pop  <sebastian.pop@amd.com>
2723
2724         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2725         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2726         (build_scop_bbs_1): New.
2727         (build_scop_bbs): Rewrite.
2728         * sese.h (bb_in_region): New.
2729
2730 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2731
2732         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2733         poly_drs vector.
2734         (print_scop): Style.
2735         * graphite-poly.h (poly_bb): Add drs vector.
2736         (PBB_DRS): Add accessor.
2737         * graphite-sese-to-poly.c (build_poly_dr): New.
2738         (build_pbb_drs, build_scop_drs): New.
2739         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2740
2741 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2742
2743         * tree-ssa-loop.c: Include forgotten toplev.h
2744
2745 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2746
2747         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2748         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2749         * testsuite/gcc.dg/graphite/pr37928.c: Same
2750         * testsuite/gcc.dg/graphite/pr38409.c: Same
2751         * testsuite/gcc.dg/graphite/pr38498.c: Same
2752         * testsuite/gcc.dg/graphite/pr38559.c: Same
2753         * testsuite/gcc.dg/graphite/pr39335.c: Same
2754         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2755         * testsuite/gfortran.dg/graphite/block-2.f: Same
2756         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2757         with -floop-*.
2758
2759 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2760
2761         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2762         build_access_matrix, build_scop_data_accesses): Remove access function
2763         building. (We get a new version soon).
2764         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2765         * sese.h (nb_loops_around_loop_in_sese): Remove.
2766         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2767
2768 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2769             Sebastian Pop  <sebastian.pop@amd.com>
2770
2771         * graphite-scop-detection.c (struct scopdet_info): Rename last
2772         field to exit.
2773         (scopdet_basic_block_info, build_scops_1): Don't use
2774         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2775
2776 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2777             Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2780         * sese.c (sese_build_liveouts_use): Renamed from
2781         sese_build_livein_liveouts_use. Remove liveins.
2782         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2783         Call sese_build_liveouts_use.
2784         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2785         Call sese_build_liveouts_bb.
2786         (new_sese, free_sese): Remove liveins.
2787         (sese_add_exit_phis_var): Deleted.
2788         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2789         directly.
2790         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2791
2792         * sese.h (sese): Remove num_ver and livein.
2793         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2794
2795 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2796
2797         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2798
2799 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2800
2801         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2802         (build_scop_scattering): Do not use compare_prefix_loops any more.
2803         (nb_common_loops): New.
2804
2805 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2808         (register_old_and_new_names): Renamed set_rename.
2809
2810 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2813         of the decl from the previous commit.
2814
2815 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-scop-detection.c (dot_scop): New.
2818         * graphite-scop-detection.h (dot_scop): Declared.
2819
2820 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2823
2824 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2825
2826         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2827         condition at the end of the loop.
2828         * graphite.c (graphite_initialize, graphite_finalize): Print to
2829         dump_file the compiled function.
2830         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2831         of create_empty_loop_on_edge.
2832         (translate_clast): Update the code generation of loops for the new
2833         shape of loops.
2834         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2835
2836 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         Reverted the patch from 2009-03-19.
2839
2840 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2841
2842         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2843         poly_drs vector.
2844         (print_scop): Style.
2845         * graphite-poly.h (poly_bb): Add drs vector.
2846         (PBB_DRS): Add accessor.
2847         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2848         (build_access_matrix_with_af, build_access_matrix,
2849         build_scop_data_accesses): Delete.
2850         (build_poly_dr): New.
2851         (build_pbb_drs, build_scop_drs): New.
2852         (build_poly_scop): call build_scop_drs.
2853
2854 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2857         once per basic block.
2858
2859 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2860
2861         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2862         (graphite_can_represent_expr): Renamed from loop_affine_expr
2863         and enhanced.
2864         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2865         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2866         (scopdet_basic_block_info): Actually define entry_block.
2867         (stmt_simple_memref_p): Moved here from ...
2868
2869         * tree-data-ref.c (stmt_simple_memref_p): here.
2870         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2871
2872 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2873
2874         * testsuite/gcc.dg/graphite/id-4.c: New.
2875
2876 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2877
2878         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2879         (register_old_and_new_names): Update the content of the map.
2880         When there was already a rename_map_elt in the map at that
2881         location, free it.
2882         (copy_bb_and_scalar_dependences): Do rename_variables after
2883         expand_scalar_variables.
2884         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2885         of the map.  When there was already a rename_map_elt in the
2886         map at that location, free it.
2887         (translate_clast): Pass the rename_map.  Do not initialize and free
2888         a rename_map per stmt_user.
2889         (gloog): Initialize and free one rename_map and pass it to
2890         translate_clast.
2891
2892 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * sese.c (expand_scalar_variables_stmt,
2895         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2896         parameter.
2897         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2898         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2899         the gimple_stmt_iterator of the statement to be expanded.
2900         * graphite-scop-detection.c (is_simple_operand): Do handle
2901         REALPART_EXPR.
2902
2903 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2904
2905         * graphite-scop-detection.c (is_simple_operand): Do not handle
2906         REALPART_EXPR.
2907         * testsuite/gcc.dg/graphite/id-2.c: New.
2908
2909         * graphite-sese-to-poly.c (build_bb_loops,
2910         add_value_to_dim, scan_tree_for_params_right_scev,
2911         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2912         find_params_in_bb, build_loop_iteration_domains,
2913         add_conditions_to_domain): Remove subtract.
2914
2915 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2916
2917         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2918         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2919         pbb_loop_at_index -> gbb_loop_at_index.
2920         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2921         (debug_loop_vec): Delete.
2922         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2923         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2924         (PBB_LOOPS): Removed.
2925         (PBB_BLACK_BOX): Insert cast.
2926         (pbb_set_black_box): New setter.
2927         (pbb_loop_at_index, pbb_loop_index): Removed.
2928         (scop_set_region, scop_set_nb_params): New.
2929         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2930         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2931         (build_poly_scop): Use scop_set_nb_params.
2932         * sese.h (gimple_bb): Add LOOPS.
2933         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2934
2935 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2936
2937         Revert previous commit.
2938
2939 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2940
2941         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2942         (register_old_and_new_names): Update the content of the map.
2943         When there was already a rename_map_elt in the map at that
2944         location, free it.
2945         (copy_bb_and_scalar_dependences): Do rename_variables after
2946         expand_scalar_variables.
2947         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2948         of the map.  When there was already a rename_map_elt in the
2949         map at that location, free it.
2950         (translate_clast): Pass the rename_map.  Do not initialize and free
2951         a rename_map per stmt_user.
2952         (gloog): Initialize and free one rename_map and pass it to
2953         translate_clast.
2954
2955 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2956
2957         Remove forgotten line in revert.
2958
2959 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2960
2961         Revert previous commit.
2962
2963 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2964
2965         * sese.c (register_old_and_new_names): Update the content
2966         of the map.  When there was already a rename_map_elt in the
2967         map at that location, free it.
2968         (copy_bb_and_scalar_dependences): Do rename_variables after
2969         expand_scalar_variables.
2970         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2971         of the map.  When there was already a rename_map_elt in the
2972         map at that location, free it.
2973         (translate_clast): Pass the rename_map.  Do not initialize and free
2974         a rename_map per stmt_user.
2975         (gloog): Initialize and free one rename_map and pass it to
2976         translate_clast.
2977
2978 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2979
2980         * graphite-clast-to-gimple.c (translate_clast): context_loop
2981         is never NULL.
2982
2983 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2984             Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2987         of the use of ppl_Polyhedron_map_space_dimensions.
2988
2989 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2990             Sebastian Pop  <sebastian.pop@amd.com>
2991
2992         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2993         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2994         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2995         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2996         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2997         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2998         pbb_nb_params): New.
2999         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3000         nb_loops_around_pbb): Adapt return types.
3001
3002 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3003
3004         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3005         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3006         graphite-scop-detection.o, graphite-poly.o): Add
3007         more headers.
3008
3009 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3010
3011         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3012         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3013         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3014
3015 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3016
3017         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3018         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3019         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3020         * testsuite/gcc.dg/graphite/block-0.c: Same.
3021         * testsuite/gcc.dg/graphite/block-1.c: Same.
3022         * testsuite/gcc.dg/graphite/block-2.c: Same.
3023         * testsuite/gcc.dg/graphite/block-3.c: Same.
3024         * testsuite/gcc.dg/graphite/block-4.c: Same.
3025         * testsuite/gcc.dg/graphite/block-5.c: Same.
3026         * testsuite/gcc.dg/graphite/block-6.c: Same.
3027         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3028         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3029         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3030         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3031         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3032         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3033         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3034         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3035         * opts.c: Remove -floop-block from -O2.
3036         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3037         -floop-strip-mine are used.
3038
3039 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3040             Sebastian Pop  <sebastian.pop@amd.com>
3041
3042         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3043         dimensions.
3044         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3045         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3046         strip_mine_profitable_p, is_interchange_valid,
3047         graphite_trans_bb_block, graphite_trans_loop_block,
3048         graphite_trans_scop_block): Temporary removed.
3049         (extend_scattering, unify_scattering_dimensions): New.
3050         (print_scattering_function, graphite_read_transforms):
3051         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3052         (graphite_generate_scattering_fns): Removed.
3053         (apply_poly_transforms): Cleanup.
3054         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3055         (schedule_to_scattering): Moved.
3056         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3057         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3058         (pbb_nb_scattering): New.
3059         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3060         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3061         Removed.
3062         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3063         shift_poly.
3064         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3065         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3066         -> PBB_TRANSFORMED_SCATTERING.
3067         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3068         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3069         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3070         (check_poly_representation): Do not return bool.
3071         (graphite_transform_loops): Reformat.
3072         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3073
3074 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3075
3076         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3077         debug_pbb_domain, debug_pbb, debug_scop): New.
3078         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3079         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3080
3081 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         PR middle-end/39335
3084         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3085         when the type precision of the induction variable should be
3086         larger than the type precision of nit.
3087         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3088         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3089         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3090
3091         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3092         * testsuite/gcc.dg/graphite/pr39335.c: New.
3093
3094 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3095
3096         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3097         SSA_NAMES not struct reduction_info.
3098
3099 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3100
3101         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3102
3103 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3104             Tobias Grosser  <grosser@fim.uni-passau.de>
3105
3106         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3107         (free_sese): Free SESE_REDUCTION_LIST.
3108         * sese.h (struct sese): Add field reduction_list.
3109         (SESE_REDUCTION_LIST): New.
3110         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3111         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3112
3113 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3114             Tobias Grosser  <grosser@fim.uni-passau.de>
3115
3116         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3117         of loop_p.
3118
3119 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3120             Tobias Grosser  <grosser@fim.uni-passau.de>
3121
3122         * tree-parloops.c (struct brli, build_reduction_list_info,
3123         analyze_reduction_list, gather_scalar_reductions): New.
3124         (loop_parallel_p): Build a reduction list containing only
3125         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3126         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3127         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3128         * tree-flow.h (gather_scalar_reductions): Declared.
3129
3130 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3131
3132         PR middle-end/39308
3133         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3134         number_of_iterations_exit from a gcc_assert.
3135
3136 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3137             Jan Sjodin  <jan.sjodin@amd.com>
3138
3139         * output.h (graphite_out_file, graphite_in_file): Declared.
3140         * toplev.c (graphite_out_file, graphite_in_file): New.
3141         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3142         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3143         Don't call schedule_to_scattering.
3144         * common.opt (fgraphite-write, fgraphite-read): New.
3145         * graphite-poly.c: Include output.h.
3146         (print_scattering_function, print_scattering_functions,
3147         debug_scattering_function, debug_scattering_functions,
3148         graphite_write_transforms, graphite_read_transforms,
3149         graphite_generate_scattering_fns): New.
3150         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3151         Call graphite_generate_scattering_fns, graphite_write_transforms,
3152         graphite_read_transforms.
3153         (new_poly_bb): Initialize PBB_SCATTERING.
3154         (free_poly_bb): Free PBB_SCATTERING.
3155         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3156         * graphite-poly.h (struct poly_bb): Add field scattering.
3157         (PBB_SCATTERING): New.
3158         (print_scattering_function, print_scattering_functions,
3159         debug_scattering_function, debug_scattering_functions): Declared.
3160         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3161         GMP values, not integers!
3162         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3163         ppl_read_polyhedron_matrix): New.
3164         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3165         debug_ppl_polyhedron_matrix,
3166         ppl_read_polyhedron_matrix): Declared.
3167         * Makefile.in (graphite-poly.o): Depends on output.h.
3168
3169 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3170             Tobias Grosser  <grosser@fim.uni-passau.de>
3171
3172         Revert this change:
3173         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3174         scalar evolutions in the scop_entry->loop_father.
3175
3176 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3177             Tobias Grosser  <grosser@fim.uni-passau.de>
3178
3179         * graphite.h (ref_nb_loops): Remove declaration.
3180         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3181         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3182         debug_gbb): Moved to sese.h.
3183         * sese.h: As said.
3184
3185 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3186             Tobias Grosser  <grosser@fim.uni-passau.de>
3187
3188         * graphite-data-ref.[ch]: Disable.
3189
3190 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3191             Tobias Grosser  <grosser@fim.uni-passau.de>
3192
3193         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3194         scalar evolutions in the scop_entry->loop_father.
3195
3196 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3199         (graphite_cannot_represent_loop_niter): Renamed
3200         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3201         (limit_scops): build_sese_loop_nests does not return a bool.
3202         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3203         * sese.c (nb_reductions_in_loop): ... from here.
3204         (graphite_loop_normal_form): ... from here.
3205         (sese_record_loop): Does not fail, so does not return a bool.
3206         (build_sese_loop_nests): Same.
3207         * sese.h (build_sese_loop_nests): Update declaration.
3208         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3209         (build_graphite_loop_normal_form): New.
3210         (gloog): Call build_graphite_loop_normal_form.
3211         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3212         build_sese_loop_nests.
3213
3214         * testsuite/gcc.dg/graphite/id-1.c: New.
3215
3216 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3217             Tobias Grosser  <grosser@fim.uni-passau.de>
3218
3219         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3220         The SCoP detection fix is sufficient.
3221
3222 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         PR tree-optimization/39260
3225         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3226         the basic block contains a condition with a real type.
3227         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3228
3229         * gcc.dg/graphite/pr39260.c: New.
3230
3231 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         * graphite-poly.c: Inlcude params.h.
3234         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3235         the size of a tile.
3236         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3237         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3238
3239 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3240             Tobias Grosser  <grosser@fim.uni-passau.de>
3241
3242         * graphite-scop-detection.c (dot_all_scops_1,
3243         dot_all_scops): Moved here.
3244         * graphite-scop-detection.h (dot_all_scops): Declared here.
3245         * graphite.c (graphite_initialize, graphite_finalize): New.
3246         (graphite_transform_loops): Cleaned up.
3247         * sese.c (debug_oldivs): Moved here.
3248         * graphite-poly.c (graphite_apply_transformations): Renamed
3249         apply_poly_transforms.
3250         (debug_loop_vec): Moved here.
3251         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3252         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3253         find_scop_parameters, build_scop_iteration_domain,
3254         add_conditions_to_constraints, build_scop_canonical_schedules,
3255         build_scop_data_accesses): Now static.
3256         (build_poly_scop, check_poly_representation): New.
3257
3258 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3261         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3262         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3263         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3264         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3265         scan_tree_for_params, struct irp_data, dx_record_params,
3266         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3267         build_loop_iteration_domains, add_conditions_to_domain,
3268         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3269         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3270         build_sese_conditions, add_conditions_to_constraints,
3271         build_scop_iteration_domain, build_access_matrix_with_af,
3272         build_access_matrix,
3273         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3274
3275         * graphite-sese-to-poly.c: New.
3276         * graphite-sese-to-poly.h: New.
3277
3278         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3279
3280 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         * graphite.c: Split graphite code generation to a new file.
3283         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3284         max_precision_type, clast_to_gcc_expression_red,
3285         clast_to_gcc_expression, gcc_type_for_clast_expr,
3286         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3287         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3288         graphite_create_new_guard, clast_get_body_of_loop,
3289         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3290         graphite_create_new_loop, build_iv_mapping, copy_renames,
3291         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3292         compute_cloog_iv_types, free_scattering, save_var_name,
3293         initialize_cloog_names, build_scop_context, build_cloog_prog,
3294         set_cloog_options, debug_clast_stmt, scop_to_clast,
3295         print_generated_program, debug_generated_program,
3296         gloog): Moved to graphite-clast-to-gimple.c.
3297
3298         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3299
3300         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3301         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3302         loop_iv_stack_pop, loop_iv_stack_get_iv,
3303         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3304         free_loop_iv_stack, loop_iv_stack_remove_constants,
3305         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3306         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3307         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3308         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3309         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3310         get_vdef_before_sese, sese_adjust_vphi,
3311         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3312         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3313         is_iv, expand_scalar_variables_ssa_name,
3314         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3315         expand_scalar_variables, rename_variables, remove_condition,
3316         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3317         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3318         default_liveout_before_guard, add_guard_exit_phis,
3319         insert_guard_phis, register_old_and_new_names,
3320         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3321         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3322         if_region_set_false_region, create_if_region_on_edge,
3323         move_sese_in_condition): Moved to sese.c.
3324
3325         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3326         if_region_exit, if_region_get_condition_block,
3327         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3328         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3329         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3330         ivtype_map_elt, new_ivtype_map_elt,
3331         recompute_all_dominators): Moved to sese.h.
3332
3333         * graphite-clast-to-gimple.c: New.
3334         * graphite-clast-to-gimple.h: New.
3335         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3336         * sese.c: Modified as said above.
3337         * sese.h: Same.
3338
3339 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3340
3341         * graphite.c: Split scop detection to a new file.
3342         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3343         move_sd_regions, loop_affine_expr, exclude_component_ref,
3344         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3345         graphite_cannot_represent_loop_niter, struct scopdet_info,
3346         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3347         find_single_entry_edge, find_single_exit_edge,
3348         create_single_entry_edge, sd_region_without_exit,
3349         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3350         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3351         Moved to graphite-scop-detection.c.
3352
3353         * graphite-scop-detection.c: New.
3354         * graphite-scop-detection.h: New.
3355         * Makefile.in: Add new rule for graphite-scop-detection.o.
3356
3357         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3358         tree-scalar-evolution.h.
3359         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3360         build_sese_loop_nests): Moved here from graphite.c.
3361         (param_index): Renamed parameter_index_in_region.
3362
3363 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3364             Sebastian Pop  <sebastian.pop@amd.com>
3365
3366         * gcc.dg/graphite/block-0.c: Expected to fail now.
3367         * gcc.dg/graphite/block-1.c: Same.
3368         * gcc.dg/graphite/block-5.c: Same.
3369         * gcc.dg/graphite/block-6.c: Same.
3370
3371 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3372             Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * graphite.h: Separate from graphite_bb_p the polyhedral
3375         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3376         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3377         graphite-data-ref.h.
3378         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3379         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3380         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3381         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3382         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3383         scop_nb_params): Moved to graphite-poly.h.
3384         * graphite-data-ref.c: Same.
3385         * graphite-data-ref.h: New.
3386         * graphite.c: Same.
3387         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3388         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3389         is_interchange_valid, graphite_trans_bb_block,
3390         graphite_trans_loop_block, scop_max_loop_depth,
3391         graphite_trans_scop_block, graphite_apply_transformations,
3392         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3393         graphite-poly.c.
3394         * graphite-poly.h: New.
3395         * graphite-poly.c: New.
3396         * Makefile.in (OBJS-common): Add graphite-poly.o.
3397         (graphite-poly.o): New rule.
3398         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3399         (DR_SCOP): Removed.
3400
3401 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3402             Tobias Grosser  <grosser@fim.uni-passau.de>
3403
3404         * graphite.c: Replace gb -> gbb.
3405         * graphite.h: Same.
3406         * graphite-data-ref.c: Same.
3407
3408 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3409             Tobias Grosser  <grosser@fim.uni-passau.de>
3410
3411         * Makefile.in (OBJS-commmon): Add sese.o.
3412         (sese.o): New.
3413         (graphite.o): Add sese.h.
3414         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3415         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3416         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3417         Move to sese.
3418         (block_before_scop): Add missing return.
3419         (new_scop, free_scop): Remove SESE data structures.
3420         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3421         find_scop_parameters, build_loop_iteration_domains,
3422         add_conditions_to_domain, register_scop_liveout_renames,
3423         copy_bb_and_scalar_dependences): Scop -> SESE.
3424
3425         (add_conditions_to_domain): SCoP -> SESE and remove check
3426         (scop_contains_non_iv_scalar_phi_nodes): New.
3427         (build_scop_conditions_1, build_scop_conditions): Remove check for
3428         non iv scalar phi nodes.
3429         (print_scop_statistics): New.
3430         (graphite_transform_loops): Cleanup.
3431
3432         * graphite.h: Move to sese & cleanup.
3433         * sese.c: New.
3434         * sese.h: New.
3435
3436 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3437             Tobias Grosser  <grosser@fim.uni-passau.de>
3438
3439         * graphite.c (build_scop_conditions_1): Conditions are only
3440         at the end of a basic block.
3441
3442 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3443             Tobias Grosser  <grosser@fim.uni-passau>
3444
3445         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3446         field.
3447         (GBB_ALPHA): Removed.
3448
3449 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3450             Tobias Grosser  <grosser@fim.uni-passau.de>
3451
3452         * graphite-data-ref.c (graphite_test_dependence): Don't use
3453         GBB_DYNAMIC_SCHEDULE.
3454         * graphite.c (new_graphite_bb): Same.
3455         (free_graphite_bb): Same.
3456         (build_scop_dynamic_schedules): Removed.
3457         (graphite_transform_loops): Don't call it.
3458         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3459         (GBB_DYNAMIC_SCHEDULE): Removed.
3460
3461 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3462             Tobias Grosser  <grosser@fim.uni-passau.de>
3463
3464         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3465         (print_graphite_bb): Same.
3466         (build_cloog_prog): Same.
3467
3468 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3469             Tobias Grosser  <grosser@fim.uni-passau.de>
3470
3471         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3472
3473 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3474             Tobias Grosser  <grosser@fim.uni-passau.de>
3475
3476         * graphite.c (build_scop_context): Don't use CloogMatrix.
3477         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3478         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3479
3480 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3481             Tobias Grosser  <grosser@fim.uni-passau.de>
3482
3483         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3484         liveout_renames, add_params fields...
3485         (struct sese): ... here.
3486         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3487         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3488
3489 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3490             Tobias Grosser  <grosser@fim.uni-passau.de>
3491
3492         * graphite.c (print_scop): Do not print the CLooG program.
3493         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3494         build_cloog_prog, gloog): Don't use SCOP_PROG.
3495         (find_transform): Renamed scop_to_clast.
3496         (print_generated_program, debug_generated_program): New.
3497         (graphite_transform_loops): Adapt to new interface.
3498         * graphite.h (struct scop): Remove program field.
3499         (SCOP_PROG): Removed.
3500         (print_generated_program, debug_generated_program): Declared.
3501
3502 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3503
3504         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3505         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3506         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3507         free_graphite_bb, build_scop_canonical_schedules,
3508         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3509         schedules are now represented using a ppl_Linear_Expression_t.
3510         * graphite.h (struct graphite_bb): Same.
3511         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3512         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3513
3514 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3515
3516         * graphite.c: Free local memory.
3517         * graphite-ppl.c: Same.
3518
3519 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3522         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3523         swap_constraint_variables, scale_constraint_variable): Removed.
3524         (graphite_trans_bb_strip_mine): Remove pong.
3525         * graphite-ppl.c: Include missing header files.
3526         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3527         * graphite-ppl.h (ppl_strip_loop): Declared.
3528         * Makefile.in (graphite-ppl.o): Adjust dependences.
3529
3530 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3531
3532         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3533         (build_scop_iteration_domain): Same.
3534
3535 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3536
3537         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3538         ping pong.
3539         (add_value_to_dim, scan_tree_for_params_right_scev,
3540         scan_tree_for_params_int): New.
3541         * graphite-ppl.c (oppose_constraint): New.
3542         (insert_constraint_into_matrix): Implement missing cases.
3543         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3544
3545 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3548         use ppl_move_dimension.
3549
3550 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3551
3552         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3553         * graphite.c: Same.
3554         * graphite.h: Same.
3555         * graphite-ppl.c: Same.
3556         * graphite-ppl.h: Same.
3557
3558 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         Revert last 3 commits.
3561
3562 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3565         ping pong.
3566         (add_value_to_dim, scan_tree_for_params_right_scev,
3567         scan_tree_for_params_int): New.
3568         * graphite-ppl.c (oppose_constraint): New.
3569         (insert_constraint_into_matrix): Implement missing cases.
3570         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3571
3572 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3573
3574         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3575
3576 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3577             Tobias Grosser  <grosser@fim.uni-passau.de>
3578
3579         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3580         use ppl_move_dimension.
3581         * graphite-ppl.c (ppl_move_dimension): New.
3582         * graphite-ppl.h (ppl_move_dimension): Declared.
3583
3584 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3585
3586         * graphite.c: Do not include cloog/cloog.h.
3587         (print_graphite_bb): Remove ping pong, call PPL print function.
3588
3589 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3590
3591         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3592         (graphite.o): Add dependence on graphite-ppl.h.
3593         (graphite-ppl.o): New.
3594         (graphite-data-ref.c): Ping pong between PPL data structures
3595         and matrices.
3596         * graphite-ppl.c: New.
3597         * graphite-ppl.h: New.
3598         * graphite.c: Include graphite-ppl.h.
3599         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3600         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3601         Ping pong between PPL data structures and matrices.
3602         (new_graphite_bb): Create a PPL constraint system.
3603         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3604         (build_loop_iteration_domains): Use PPL functions.
3605         * graphite.h: Include graphite-ppl.h.  Fix comments.
3606         (graphite_bb): Use a ppl_Constraint_System_t instead of
3607         CloogMatrix for representing the domain.
3608         (scop): Remove static_schedule.
3609         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3610
3611 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3612
3613         * graphite.c: Fix some comments.
3614
3615 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3616
3617         PR middle-end/38953
3618         * graphite.c (if_region_set_false_region): After moving a region
3619         in the false branch of a condition, remove the empty dummy
3620         basic block.
3621         (gloog): Remove wrong fix for PR38953.
3622
3623 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3624
3625         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3626         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3627         register_bb_in_sese, new_sese, free_sese): Moved.
3628         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3629         outermost_loop_in_scop, build_scop_iteration_domain,
3630         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3631         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3632         Use loop_in_sese_p instead of loop_in_scop_p.
3633         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3634         (free_scop): Do not free SCOP_BBS_B.
3635         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3636         ref_nb_loops): Moved here...
3637         * graphite.h (ref_nb_loops): ... from here.
3638         (struct scop): Remove bbs_b bitmap.
3639         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3640         * testsuite/gcc.dg/graphite/scop-19.c: New
3641
3642 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3643
3644         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3645         detection.
3646
3647 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3648
3649         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3650         eq_loop_to_cloog_loop): Remove.
3651         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3652         * graphite.h (struct scop): Remove loop2cloog_loop.
3653         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3654
3655 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3656
3657         * opts.c (decode_options): Only add graphite options to O2
3658         if we compile with graphite enabled.
3659
3660 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3661
3662         * Merge from mainline (r143163:143684).
3663
3664 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3665
3666         * graphite.c (debug_value): Removed.
3667         * graphite.h (debug_value): Removed.
3668
3669 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3670
3671         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3672         after graphite: pass_copy_prop does not maintain a proper loop closed
3673         SSA form.  pass_copy_prop should be fixed.
3674
3675 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3678
3679 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3680
3681         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3682         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3683         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3684         changed the CFG.
3685
3686 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3687
3688         * graphite.c (gloog): Return true when code gen succeeded.
3689         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3690         the code of the function did not changed.  After cleanup_tree_cfg
3691         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3692         form.
3693
3694 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3695
3696         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3697         gimple_call_lhs is NULL.
3698
3699 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3700             Tobias Grosser  <tobi.grosser@amd.com>
3701
3702         * graphite.c (graphite_trans_scop_block): Do not block single
3703         nested loops.
3704
3705 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3706             Tobias Grosser  <tobi.grosser@amd.com>
3707
3708         * graphite.c (build_scop_canonical_schedules): Start schedules at
3709         zero.
3710
3711 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3712             Tobias Grosser  <tobi.grosser@amd.com>
3713
3714         * graphite.c (compare_prefix_loops): New.
3715         (build_scop_canonical_schedules): Rewritten.
3716         (graphite_transform_loops): Move build_scop_canonical_schedules
3717         after build_scop_iteration_domain.
3718
3719 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3720             Tobias Grosser  <tobi.grosser@amd.com>
3721
3722         * graphite.c (add_conditions_to_domain): Add the loops to
3723         the dimension of the iteration domain.  Do copy the domain
3724         only when it exists.
3725         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3726         (add_conditions_to_constraints): New.
3727         (can_generate_code_stmt, can_generate_code): Removed.
3728         (gloog): Do not call can_generate_code.
3729         (graphite_transform_loops): Call add_conditions_to_constraints
3730         after building the iteration domain.
3731
3732 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3733             Tobias Grosser  <tobi.grosser@amd.com>
3734             Jan Sjodin  <jan.sjodin@amd.com>
3735
3736         * graphite.c (scan_tree_for_params): On substractions negate
3737         all the coefficients of the term.
3738         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3739         of more than two operands.
3740         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3741         (get_vdef_before_scop): Handle also the case of default definitions.
3742
3743 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3744
3745         PR middle-end/38431
3746         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3747         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3748         (gloog): Do not call cleanup_tree_cfg.
3749         (graphite_transform_loops): Call cleanup_tree_cfg after all
3750         scops have been code generated.
3751
3752 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3753
3754         * passes.c (init_optimization_passes): Schedule after
3755         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3756
3757 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3758
3759         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3760         Fix comment.
3761         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3762         Set the type of an expression to the type of its assign statement.
3763         (expand_scalar_variables_expr):  Do not pass loop_p.
3764         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3765         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3766         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3767
3768 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3769
3770         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3771         an expression to the gimple_expr_type of its assign statement.
3772         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3773         or tcc_declaration.
3774
3775 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3776
3777         PR tree-optimization/38786
3778         * testsuite/gcc.dg/graphite/pr38786.c: New.
3779         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3780         the SSA_NAME case of expand_scalar_variables_expr.
3781         (expand_scalar_variables_expr): Also gather the scalar computation
3782         used to index the memory access.
3783         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3784         the gimple_stmt_iterator where it inserts new code.
3785
3786 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3787
3788         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3789
3790 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         * opts.c (decode_options): Enable flag_graphite_identity and
3793         flag_loop_block in -O2 and above.
3794
3795 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3796
3797         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3798         Fix merge problem: replace with the file from trunk.
3799
3800 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         * Merge from mainline (r141727:143163).
3803
3804 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3805             Jan Sjodin  <jan.sjodin@amd.com>
3806
3807         PR tree-optimization/38559
3808         * testsuite/gcc.dg/graphite/pr38559.c: New.
3809
3810         * graphite.c (debug_value, copy_constraint,
3811         swap_constraint_variables, scale_constraint_variable, ): New.
3812         (get_lower_bound, get_upper_bound): Removed.
3813         (graphite_trans_bb_strip_mine): Clean up this code that works
3814         only for constant number of iterations.  Fully copy upper and
3815         lower bound constraints, not only the constant part of them.
3816         * graphite.h (debug_value): Declared.
3817
3818 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3819
3820         PR tree-optimization/38492
3821         PR tree-optimization/38498
3822         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3823         * tree-chrec.h (scev_is_linear_expression): Declared.
3824         * graphite.c (graphite_cannot_represent_loop_niter): New.
3825         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3826         (graphite_loop_normal_form): Use gcc_assert.
3827         (scan_tree_for_params): Use CASE_CONVERT.
3828         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3829         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3830         Use gcc_assert.  Discard scops that contain unhandled cases.
3831         (build_scop_conditions): Return a boolean status for unhandled cases.
3832         (strip_mine_profitable_p): Print the loop number, not its depth.
3833         (is_interchange_valid): Pass the depth of the loop nest, don't
3834         recompute it wrongly.
3835         (graphite_trans_bb_block): Same.
3836         (graphite_trans_bb_block): Print tentative of loop blocking.
3837         (graphite_trans_scop_block): Do not print that the loop has been
3838         blocked.
3839         (graphite_transform_loops): Do not handle scops that contain condition
3840         scalar phi nodes.
3841
3842         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3843         in trunk.
3844         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3845         * testsuite/gcc.dg/graphite/block-1.c: Same.
3846         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3847         blocking.
3848         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3849         * testsuite/gcc.dg/graphite/block-3.c: New.
3850         * testsuite/gcc.dg/graphite/pr38498.c: New.
3851
3852 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3853
3854         PR tree-optimization/38510
3855         * gcc.dg/graphite/pr38510.c: New.
3856         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3857           (translate_clast): Call recompute_all_dominators before
3858           graphite_verify.
3859           (gloog): Call recompute_all_dominators before graphite_verify.
3860
3861 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         PR tree-optimization/38492
3864         * graphite.c (rename_map_elt, debug_rename_elt,
3865         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3866         rename_map_elt_info, eq_rename_map_elts,
3867         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3868         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3869         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3870         (sese_build_livein_liveouts): New.
3871         (new_sese, free_sese): New.
3872         (new_scop): Call new_sese.
3873         (free_scop): Call free_sese.
3874         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3875         (register_old_new_names): Renamed register_old_and_new_names.
3876         (register_scop_liveout_renames, add_loop_exit_phis,
3877         insert_loop_close_phis, struct igp,
3878         default_liveout_before_guard, add_guard_exit_phis,
3879         insert_guard_phis, copy_renames): New.
3880         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3881         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3882         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3883         (scop_adjust_phis_for_liveouts): New.
3884         (gloog): Call scop_adjust_phis_for_liveouts.
3885
3886         * graphite.h (struct sese): Documented.  Added fields liveout,
3887         num_ver and livein.
3888         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3889         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3890         (struct scop): Added field liveout_renames.
3891         (SCOP_LIVEOUT_RENAMES): New.
3892
3893 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         PR tree-optimization/38409
3896         * gcc.dg/graphite/pr38409.c: New.
3897         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3898
3899 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * graphite.c (gcc_type_for_cloog_iv): By default return
3902         integer_type_node.
3903         (graphite_create_new_loop): Don't fold_convert the already
3904         fold_convert-ed expression.
3905
3906 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3907
3908         PR tree-optimization/38446
3909         * gcc.dg/graphite/pr38446.c: New.
3910         * graphite.c (register_bb_in_sese): New.
3911         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3912         looking at the bbs in the region.
3913         * graphite.h (sese): Add region_basic_blocks pointer set to
3914         structure and initialize at the time of defining new scop.
3915
3916 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3917
3918         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3919         (find_params_in_bb): Do not free data refs.
3920         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3921
3922 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3923
3924         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3925         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3926         * testsuite/gcc.dg/graphite/block-5.c: New.
3927         * testsuite/gcc.dg/graphite/block-6.c: New.
3928         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3929         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3930         * testsuite/gcc.dg/graphite/block-2.c: Same.
3931
3932         * graphite.c (struct ivtype_map_elt): New.
3933         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3934         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3935         gcc_type_for_cloog_iv): New.
3936         (loop_iv_stack_patch_for_consts): Use the type of the induction
3937         variable from the original loop, except for the automatically
3938         generated loops, i.e., in the case of a strip-mined loop, in
3939         which case there is no original loop: in that case just use
3940         integer_type_node.
3941         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3942         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3943         (clast_name_to_gcc): Accept params to be NULL.
3944         (clast_to_gcc_expression): Take an extra parameter for the type.
3945         Convert to that type all the expressions built by this function.
3946         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3947         (graphite_translate_clast_equation): Compute the type of the
3948         clast_equation before translating its LHS and RHS.
3949         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3950         (graphite_create_new_loop): Compute the type of the induction
3951         variable before translating the lower and upper bounds and before
3952         creating the induction variable.
3953         (rename_variables_from_edge, rename_phis_end_scop): New.
3954         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3955         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3956         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3957         compute_cloog_iv_types): New.
3958         (gloog): Call compute_cloog_iv_types before starting the
3959         translation of the clast.
3960
3961         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3962         (GBB_CLOOG_IV_TYPES): New.
3963         (debug_ivtype_map): Declared.
3964         (oldiv_for_loop): New.
3965
3966 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3967
3968         PR middle-end/38459
3969         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3970         (param_index): Assert if parameter is not know after parameter
3971         detection.
3972         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3973         (find_scop_parameters): Mark, that we have finished parameter
3974         detection.
3975         (graphite_transform_loops): Move condition detection before parameter
3976         detection.
3977         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3978         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3979
3980 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3981
3982         * graphite.c (graphite_transform_loops): Always call find_transform ()
3983         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3984         generate code.
3985
3986 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3987
3988         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3989         (print_scop): Ditto.
3990
3991 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3992
3993         PR middle-end/38084
3994         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3995         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3996         regions more than once.
3997
3998 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3999
4000         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4001         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4002         when not needed.
4003
4004 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4005
4006         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4007         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4008         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4009         (max_precision_type): New.
4010         (value_clast): Removed.
4011         (clast_to_gcc_expression): Be more careful to types of expressions.
4012         Use max_precision_type and update use of gmp_cst_to_tree.
4013         (graphite_translate_clast_equation): Use max_precision_type.
4014         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4015         use the type of the condition.
4016         (graphite_create_new_loop): Do not use integer_type_node, use the
4017         max_precision_type of lb and ub.
4018
4019 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4020
4021         * graphite.c (build_scops_1): Initialize open_scop.exit
4022         and sinfo.last.
4023
4024 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4025
4026         * testsuite/gcc.dg/graphite/pr38084.c: New.
4027         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4028         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4029         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4030         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4031         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4032
4033 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4034             Jan Sjodin  <jan.sjodin@amd.com>
4035             Harsha Jagasia  <harsha.jagasia@amd.com>
4036
4037         PR middle-end/37852
4038         PR middle-end/37883
4039         PR middle-end/37928
4040         PR middle-end/37980
4041         PR middle-end/38038
4042         PR middle-end/38039
4043         PR middle-end/38073
4044         PR middle-end/38083
4045         PR middle-end/38125
4046
4047         * testsuite/gcc.dg/graphite/pr38073.c: New.
4048         * testsuite/gcc.dg/graphite/pr37928.c: New.
4049         * testsuite/gcc.dg/graphite/pr37883.c: New.
4050         * testsuite/gcc.dg/graphite/pr38125.c: New.
4051         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4052         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4053         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4054
4055         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4056         the number of detected scops.  Copy exact same test for loop
4057         blocking...
4058         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4059         loops to be blocked as reductions are not handled.
4060         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4061
4062         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4063         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4064         ...here.
4065         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4066         * Makefile.in (graphite.o): Depend on value-prof.h.
4067         (graphite.o-warn): Removed -Wno-error.
4068         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4069         to be a NULL pointer.  Call update_stmt.  Return the newly created
4070         cannonical induction variable.
4071
4072         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4073
4074         * graphite.c: Reimplement the code generation from graphite to gimple.
4075         Include value-prof.h.
4076         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4077         (get_old_iv_from_ssa_name): Removed.
4078         (graphite_stmt_p): New.
4079         (new_graphite_bb): Test for useful statements before building a
4080         graphite statement for the basic block.
4081         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4082         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4083         reason.
4084         (recompute_all_dominators, graphite_verify,
4085         nb_reductions_in_loop, graphite_loop_normal_form): New.
4086         (scop_record_loop): Call graphite_loop_normal_form.
4087         (build_scop_loop_nests): Iterate over all the blocks of the
4088         function instead of relying on the incomplete information from
4089         SCOP_BBS.  Return the success of the operation.
4090         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4091         (add_bb_domains): Removed.
4092         (build_loop_iteration_domains): Don't call add_bb_domains.
4093         Add the iteration domain only to the basic blocks that have been
4094         translated to graphite.
4095         (build_scop_conditions_1): Add constraints only if the basic
4096         block have been translated to graphite.
4097         (build_scop_data_accesses): Completely disabled until data
4098         dependence is correctly implemented.
4099         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4100         (remove_all_edges_1, remove_all_edges): Removed.
4101         (get_new_name_from_old_name): New.
4102         (graphite_rename_variables_in_stmt): Renamed
4103         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4104         Use replace_exp and update_stmt.
4105         (is_old_iv): Renamed is_iv.
4106         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4107         Use replace_exp and update_stmt.
4108         (expand_scalar_variables_expr): Same.  Use the map to get the
4109         new names for the renaming of induction variables and for the
4110         renaming of variables after a basic block has been copied.
4111         (expand_scalar_variables): Same.
4112         (graphite_rename_variables): Renamed rename_variables.
4113         (move_phi_nodes): Removed.
4114         (get_false_edge_from_guard_bb): New.
4115         (build_iv_mapping): Do not insert the induction variable of a
4116         loop in the renaming iv map if the basic block does not belong
4117         to that loop.
4118         (register_old_new_names, graphite_copy_stmts_from_block,
4119         copy_bb_and_scalar_dependences): New.
4120         (translate_clast): Heavily reimplemented: copy basic blocks,
4121         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4122         At each translation step call graphite_verify ensuring the
4123         consistency of the SSA, loops and dominators information.
4124         (collect_virtual_phis, find_vdef_for_var_in_bb,
4125         find_vdef_for_var_1, find_vdef_for_var,
4126         patch_phis_for_virtual_defs): Removed huge hack.
4127         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4128         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4129         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4130         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4131         if_region_get_condition_block, if_region_set_false_region,
4132         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4133         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4134         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4135         rewrite_into_sese_closed_ssa): New.
4136         (gloog): Remove dead code.  Early return if code cannot be
4137         generated.  Call cleanup_tree_cfg once the scop has been code
4138         generated.
4139         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4140         block loops with less than two loops.
4141         (graphite_apply_transformations): Remove the call to
4142         scop_remove_ignoreable_gbbs.
4143         (limit_scops): When build_scop_loop_nests fails, continue on
4144         the next scop.  Fix open_scop.entry.
4145         (graphite_transform_loops): Call recompute_all_dominators: force the
4146         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4147         Call initialize_original_copy_tables and free_original_copy_tables
4148         to be able to copy basic blocks during code generation.
4149         When build_scop_loop_nests fails, continue on next scop.
4150         (value_clast): New union.
4151         (clast_to_gcc_expression): Fix type cast warning.
4152
4153 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4154
4155         * Merge from mainline (r140838:141727).
4156
4157 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4158
4159         PR middle-end/37833
4160
4161         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4162
4163 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4164
4165         PR middle-end/37943
4166
4167         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4168         exits and conditions.
4169         * testsuite/gcc.dg/graphite/pr37943.c: New.
4170
4171 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4172
4173         PR middle-end/37886
4174         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4175
4176 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4177
4178         * doc/invoke.texi: Fix spaces.
4179
4180 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4181
4182         PR tree-optimization/37891
4183         Reverted last commit.
4184         * graphite.c (create_single_entry_edge): Set
4185         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4186
4187 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4188             Mitul Thakkar  <mitul.thakkar@amd.com>
4189
4190         * graphite.c (create_single_entry_edge): Set
4191         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4192
4193 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4194
4195         * doc/invoke.texi: Add -fgraphite-identity.
4196         * graphite.c (graphite_apply_transformations): Check for
4197         -fgraphite-identity.
4198         * toplev.c (process_options): Add flag_graphite_identity.
4199         * tree-ssa-loop.c: Add flag_graphite_identity.
4200
4201 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4202
4203         Undo changes from 2008-10-02:
4204         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4205         operand type when copying the operand to a variable of different type.
4206         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4207         with the IV name after increment.
4208
4209 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4210             Harsha Jagasia  <harsha.jagasia@amd.com>
4211
4212         PR tree-optimization/37828
4213         * testsuite/gcc.dg/graphite/pr37828.c: New.
4214         * graphite.c (graphite_trans_loop_block): Do not loop block
4215         single nested loops.
4216
4217 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4218             Sebastian Pop  <sebastian.pop@amd.com>
4219
4220         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4221         rename_map_elt_info, eq_rename_map_elts): New.
4222         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4223         (expand_scalar_variables_expr): Change parameters.
4224         (expand_scalar_variables_stmt): Same.
4225         (expand_scalar_variables): Same.
4226         (graphite_rename_ivs): Rename graphite_rename_variables.
4227         (build_iv_mapping): New.
4228         (translate_clast): Call build_iv_mapping.
4229         * graphite.h (gbb_p): New name.
4230
4231 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4232
4233         PR tree-optimization/37684
4234         * gcc.dg/graphite/pr37684.c: New.
4235         * graphite.c (exclude_component_ref): New.
4236         (is_simple_operand): Call exclude_component_ref.
4237
4238 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4239             Harsha Jagasia  <harsha.jagasia@amd.com>
4240
4241         PR tree-optimization/37485
4242         * gcc.dg/graphite/block-2.c: New
4243         * graphite.c (gmp_cst_to_tree): Moved.
4244         (iv_stack_entry_is_constant): New.
4245         (iv_stack_entry_is_iv): New.
4246         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4247         (loop_iv_stack_insert_constant): New.
4248         (loop_iv_stack_pop): Use new datatpype.
4249         (loop_iv_stack_get_iv): Same.
4250         (loop_iv_stack_get_iv_from_name): Same.
4251         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4252         (loop_iv_stack_patch_for_consts): New.
4253         (loop_iv_stack_remove_constants): New.
4254         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4255         (translate_clast): Call loop_iv_stack_patch_for_consts and
4256         loop_iv_stack_remove_constants.
4257         (gloog): Use new datatype.  Redirect construction edge to end
4258         block to avoid accidental deletion.
4259         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4260         iv stack entry.
4261         (union iv_stack_entry_data): New.  Data in iv stack entry.
4262         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4263
4264 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4265
4266         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4267         operand type when copying the operand to a variable of different type.
4268
4269 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4270
4271         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4272         with the IV name after increment.
4273
4274 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4275
4276         * Merge from mainline (r140164:140838).
4277
4278 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4279
4280         * graphite-data-ref.c: New.
4281         * graphite.c (print_scop): Also dump the dependence graph.
4282         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4283         (new_scop): Initialize SCOP_DEP_GRAPH.
4284         (build_scop_dynamic_schedules): New.
4285         (build_access_matrix_with_af): Fixed column numbering.
4286         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4287         * graphite.h: Add ifndef/define guards against multiple inclusion.
4288         (struct scop): Add dep_graph field.
4289         (SCOP_DEP_GRAPH): Defined.
4290         (ref_nb_loops): Fixed and moved to other position.
4291         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4292         (nb_loops_around_loop_in_scop): New.
4293         (graphite_dump_dependence_graph): Declared.
4294         (graphite_build_rdg_all_levels): Declared.
4295         (graphite_test_dependence): Declared.
4296         * Makefile.in (graphite-data-ref.o): New target.
4297
4298 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4299
4300         * Merge from mainline (139870:140164).
4301
4302 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4303
4304         * Merge from mainline (138275:139870).
4305         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4306         the commits from trunk broke the niter detection.
4307
4308 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4309
4310         * graphite.c: Add more documentation.  Fix formatting.
4311         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4312         loop_iv_stack_debug): Moved...
4313         (schedule_to_scattering): Move before use.
4314         (dot_all_scops): Include in "#if 0" the code for system
4315         call dotty.
4316
4317         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4318         loop_iv_stack_debug): ...here.
4319
4320 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4321
4322         * tree-phinodes.c (make_phi_node): Extern.
4323         (add_phi_node_to_bb): New.
4324         (create_phi_node): Call add_phi_node_to_bb.
4325         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4326         (remove_statement): Handle case where stored phi was updated
4327         and is no longer the same.
4328         * graphite.c (is_parameter): New.
4329         (is_old_iv): New.
4330         (expand_scalar_variables_expr): New.
4331         (expand_scalar_variables_stmt): New.
4332         (expand_scalar_variables): New.
4333         (move_phi_nodes): Create new phi instead of moving old one.
4334         (translate_clast): Call expand_scalar_variables.
4335         (find_vdef_for_var_in_bb): Also scan regular definitions.
4336         (skip_phi_defs): New.
4337         (collect_scop_exit_phi_args): New.
4338         (patch_scop_exit_phi_args): New.
4339         (gloog): Patch phis after scop.
4340         * tree-flow.h: (add_phi_node_to_bb): Declared.
4341         (make_phi_node): Declared.
4342
4343 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4344
4345         * graphite.c (end_scop): Split the entry of the scop when it
4346         is the header of the loop in which the scop is ending.
4347         (build_scops_1, limit_scops): Update uses of end_scop.
4348
4349 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4350
4351         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4352         SCOP_ENTRY or SCOP_EXIT.
4353
4354 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4355
4356         * graphite.c (get_construction_edge): Removed.
4357         (gloog): Construction edge is the scop entry edge.
4358
4359 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4360
4361         * graphite.c (can_generate_for_scop): Removed.
4362         (gloog): Do not call it.
4363
4364 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4365
4366         * graphite.c (new_scop): Entry of a scop is an edge.
4367         Initialize SESE region.
4368         (free_scop): Free SESE region.
4369         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4370         (split_difficult_bb): New, split from end_scop.
4371         (end_scop): Exit of a scop is an edge.
4372         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4373         not automatically updated and thus is always wrong.
4374         * graphite.h (struct sese): New.
4375         (SESE_ENTRY): New.
4376         (SESE_EXIT): New.
4377         (struct scop): New field for a SESE region.  Remove entry, exit.
4378         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4379         semantics as before.  Moved comment around.
4380
4381 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4382             Sebastian Pop  <sebastian.pop@amd.com>
4383
4384         * graphite.c (graphite_transform_loops): Always enable gloog
4385         and find_transform when ENABLE_CHECKING.
4386
4387 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4388
4389         * graphite.c (graphite_transform_loops): Move pretty printer
4390         of SCOPs before doing any transform.  Remove call to print_scops
4391         and dot_all_scops_1.
4392
4393 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4394
4395         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4396         (print_graphite_bb): Same.
4397
4398 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4399
4400         * graphite.c (dot_all_scops_1): Cleanup.
4401         (move_scops): Fix comment.
4402
4403 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4404
4405         * graphite.c (build_scop_bbs): Revert commit 139355:
4406
4407         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4408                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4409
4410                 * graphite.c (build_scop_bbs): Factor up code.
4411
4412 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4413
4414         * graphite.c (gloog): Update dominator info.
4415
4416 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4417
4418         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4419
4420 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4421
4422         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4423         initialization.
4424         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4425         (translate_clast): Correct formatting.
4426         * graphite.h (struct num_map): Removed.
4427         (struct graphite_bb): Remove num_map field.
4428         (GBB_INDEX_TO_NUM_MAP): Removed.
4429
4430 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4431
4432         * graphite.c (build_access_matrix_with_af): Fix comments.
4433         (build_scop_data_accesses): Same.
4434
4435 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4436
4437         * graphite.c (build_scop_data_accesses): Don't construct
4438         access matrices.  Add a FIXME and an assert condition that
4439         should pass when the access matrices will be needed.
4440
4441 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4442
4443         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4444         really_constant_p.
4445         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4446         Moved close by free_graphite_bb.
4447         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4448         (new_scop): Move close by free_scop.
4449         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4450
4451 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4452
4453         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4454         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4455         instead of recursive call.
4456         (graphite_translate_clast_equation): New.
4457         (graphite_create_guard_cond_expr): New.
4458         (graphite_create_new_guard): New.
4459         (get_stack_index_from_iv): Removed.
4460         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4461         (get_true_edge_from_guard_bb): New.
4462         (translate_clast): Handle stmt_guard in clast.
4463         (get_construction_edge): Allow construction edge detection for
4464         a scope entry with multiple predecessors if one predecessor is
4465         the immediate dominator of scope entry.
4466         (can_generate_code_stmt): Enable code generation for clast_guard.
4467         (gloog): Use correct context loop.  Removed check for post dominators.
4468         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4469
4470 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4471
4472         * graphite.c (remove_dead_loops): Document better which
4473         loops are removed.
4474
4475 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4476
4477         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4478         and PPLINC.
4479         (graphite.o): Also depends on pointer-set.h.
4480
4481 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4482
4483         * graphite.c (scop_record_loop): Fix compile warning.
4484
4485 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4486             Sebastian Pop  <sebastian.pop@amd.com>
4487
4488         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4489
4490 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4491
4492         * graphite.c (build_graphite_bb): Initialize bb->aux to
4493         point to the graphite_bb_p.
4494         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4495         content of bb->aux.
4496         (add_bb_domains): Does not use the scop parameter.
4497         (graphite_transform_loops): Clean bb->aux at the end.
4498
4499 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4500             Sebastian Pop  <sebastian.pop@amd.com>
4501
4502         * testsuite/lib/target-supports.exp
4503         (check_effective_target_fgraphite): New.
4504
4505         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4506         check_effective_target_fgraphite returns false.
4507         Set dg-do-what-default to compile.
4508         (scan-graphite-dump-times): Removed.
4509         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4510
4511         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4512         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4513         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4514         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4515         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4516         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4517         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4518         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4519         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4520         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4521         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4522         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4523         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4524         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4525         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4526         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4527         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4528         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4529         * testsuite/gcc.dg/graphite/block-0.c: Same.
4530         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4531         * testsuite/gcc.dg/graphite/block-1.c: Same.
4532         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4533         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4534         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4535         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4536         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4537
4538 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4539
4540         * graphite.c: Fix some XXX comments.
4541         (build_scop_dynamic_schedules): Removed.
4542
4543 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4544
4545         * graphite.h (scop_max_loop_depth): Moved...
4546         * graphite.c (scop_max_loop_depth): ...here.
4547         (remove_all_edges_1): New.
4548         (remove_all_edges): Factored code.
4549         (remove_cond_exprs): Check only the last statement for
4550         a GIMPLE_COND expression.
4551
4552 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4553
4554         * graphite.c (scan_tree_for_params): Early return when the
4555         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4556         (find_scop_parameters): Factor out code.
4557         (graphite_trans_bb_strip_mine): Remove dead code.
4558
4559 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4560
4561         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4562         graphite_trans_bb_move_loop): Factor asserts.
4563         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4564         Do not call calculate_dominance_info and estimate_bb_frequencies.
4565
4566 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4567
4568         * graphite.c (create_loops_mapping, free_loops_mapping,
4569         create_loops_mapping_num, debug_loop_mapping_1,
4570         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4571         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4572         graphite_loops_mapping_add_child_num,
4573         graphite_loops_mapping_insert_child,
4574         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4575         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4576         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4577         create_num_from_index, get_num_from_index,
4578         swap_loop_mapped_depth): Removed.
4579         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4580         (free_scop): Do not call free_loops_mapping.
4581         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4582         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4583         get_loop_mapped_depth.
4584         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4585         (graphite_trans_bb_strip_mine): Same.
4586         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4587         (struct scop): Remove field loops_mapping.
4588
4589 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4590             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4591
4592         * graphite.c (scop_record_loop): Factor out one level of the
4593         condition by early return.
4594         (build_scop_loop_nests): Format following FSF coding style.
4595         (build_scop_dynamic_schedules): Factor out code.
4596         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4597
4598 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4599             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4600
4601         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4602         assignments that are not handled as simple operands for now.
4603
4604 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4605             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4606
4607         * graphite.c (build_scop_bbs): Factor up code.
4608
4609 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4610             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4611
4612         * graphite.c (stmt_simple_for_scop_p): Factor code out
4613         of the loop.
4614         (enum gbb_type): New.  Group all the GBB_* types under it.
4615         (is_loop_exit): Moved...
4616         (end_scop): Enable BB spliting.
4617         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4618         * cfgloop.h (is_loop_exit): Declared.
4619
4620 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4621
4622         * doc/invoke.texi: Remove strides from examples containing
4623         DO loops when the strides are equal to 1.
4624
4625 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4626             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4627
4628         * graphite.c (graphite_trans_scop_block): Or the result with
4629         the result from graphite_trans_loop_block.
4630         * testsuite/gcc.dg/graphite/block-1.c: New.
4631         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4632         * testsuite/gfortran.dg/graphite/block-2.f: New.
4633
4634 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4635
4636         * graphite.c (graphite_transform_loops): Call cloog_initialize
4637         and cloog_finalize.
4638
4639 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4640
4641         * tree-data-ref.c) (stmt_simple_memref_p): New.
4642         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4643         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4644         (is_simple_operand): Call stmt_simple_memref_p.
4645
4646         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4647         using pointer arithmetic, as this is optimized by PRE and
4648         makes the code too difficult to analyze.
4649
4650         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4651
4652 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4653
4654         * gdbinit.in (pgg): New.
4655
4656 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4657
4658         * graphite.c (graphite_trans_loop_block): Fix warning.
4659
4660 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4661
4662         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4663
4664 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4665
4666         * graphite.c (graphite_trans_bb_block): Remove check for
4667         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4668         Check if loop blocking is profitable for every loop, before applying
4669         the changes.
4670         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4671         if flag_loop_block is set.
4672
4673 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4674
4675         * graphite.c: Add some more documentation for the loop
4676         mapping.
4677
4678 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4679
4680         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4681         * graphite.c: Format on less than 80 columns.
4682         * graphite.h: Same.
4683
4684 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4685
4686         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4687
4688 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4689
4690         * doc/invoke.texi (floop-block, floop-strip-mine,
4691         floop-interchange): Update documentation with examples.
4692
4693 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4694
4695         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4696         add_referenced_var.
4697         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4698
4699 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4700
4701         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4702         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4703         * tree-scalar-evolution.c: Revert useless changes.
4704         * tree-phinodes.c: Same.
4705         * cfghooks.c: Same.
4706         * vec.h: Same.
4707         * tree-vectorizer.h: Same.
4708         * tree-flow.h: Same.
4709         * tree-cfg.c: Same.
4710         * common.opt (fgraphite): Update documentation.
4711
4712 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4713
4714         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4715         -floop-interchange): Add more text for explaining what each of these
4716         flags is doing.
4717         * tree-into-ssa.c (gimple_vec): Moved to...
4718         * graphite.c: Include gimple.h.
4719         (gimple_vec): Moved to...
4720         (del_loop_to_cloog_loop): Removed.
4721         (loop_affine_expr): Do not call create_data_ref when the
4722         operand is a constant.
4723         (new_scop): Use free instead of del_loop_to_cloog_loop.
4724         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4725         * gimple.h (gimple_vec): ... here.
4726
4727 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4728
4729         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4730         latch executions.
4731         (build_loop_iteration_domains): Fail, if latch executions unknown.
4732
4733 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4734
4735         * graphite.c (add_conditions_to_domain): New.
4736         (build_scop_conditions_1): Call add_conditions_to_domain.
4737         (set_cloog_options): Allow to disable optimizations.
4738
4739 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4740
4741         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4742         Do not use walk_dominator_tree.
4743         (find_scop_parameters): Do not use walk_dominator_tree.
4744
4745 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4746
4747         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4748         (idx_record_params): Adapt.
4749         * graphite.h (scop_gimple_loop_depth): New.
4750
4751 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4752
4753         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4754         (scan_tree_for_params): Remove value_init.
4755         (build_scop_context): Remove value_init.
4756         (build_loop_iteration_domains): Remove value_init.
4757         (schedule_to_scattering): Remove value_init.
4758         (graphite_trans_bb_strip_mine): Remove value_init.
4759
4760 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4761
4762         * gcc/graphite.c (limit_scops): New.
4763         (graphite_transform_loops): Add limit SCoPs.
4764         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4765         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4766         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4767         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4768         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4769         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4770         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4771         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4772         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4773         Change loop numbers.
4774         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4775         Change loop numbers.
4776         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4777         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4778         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4779         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4780         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4781         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4782         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4783         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4784         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4785         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4786
4787 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4788
4789         * graphite.c (graphite_transform_loops): Call always find_transform.
4790
4791 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4792
4793         * graphite.c (free_loops_mapping): New.
4794         (stmt_simple_for_scop_p): Fix typo.
4795         (stmt_simple_for_scop_p): Fix tuples functions, that
4796         broke polyhedron.
4797         (free_graphite_bb): Fix some memleaks.
4798         (free_scop): Fix some memleaks.
4799         (scopdet_bb_info): Do not forget some tmp SCoPs.
4800         (find_params_in_bb): Fix some memleaks.
4801         (clast_to_gcc_expression): Fix warning.
4802
4803 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4804
4805         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4806         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4807
4808 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4809
4810         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4811         Move code ifdef-ed HAVE_cloog...
4812         * graphite.c: Include toplev.h.
4813         ... here.
4814         * Makefile.in (OBJS-common): Always build graphite.o.
4815         (BACKEND): Remove @GRAPHITE@.
4816         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4817         (graphite.o): Depend on TOPLEV_H.
4818
4819 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4820
4821         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4822         Remove typo left from polylib to ppl conversion.
4823         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4824
4825 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4826
4827         * toplev.c (process_options): Move the graphite loop optimization
4828         flags...
4829         * tree-ssa-loop.c (graphite_transforms): ... here.
4830         When not configured with CLooG, print to dump_file that
4831         Graphite transforms were not performed.
4832         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4833         New.
4834         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4835         scan-graphite-dump-times.
4836
4837 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4838
4839         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4840         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4841
4842 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4843             Jan Sjodin  <jan.sjodin@amd.com>
4844
4845         * configure: Regenerated.
4846         * omp-low.c (expand_omp_sections): Remove now unused code.
4847         * config.in (HAVE_polylib): Removed.
4848         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4849         (PPLLIBS, PPLINC): Added.
4850         * graphite.c: Replace unsigned with int wherever possible.
4851         Don't access Cloog's data structures, but use accessor functions.
4852         Clast's stmt->type is now implemented as a vtable: change the
4853         switches of stmt->type into ifs.
4854         (polylib/polylibgmp.h): Don't include.
4855         (initialize_dependence_polyhedron,
4856         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4857         statement_precedes_p, test_dependence, build_rdg_all_levels,
4858         dump_dependence_graph): Removed until this code is cleaned up
4859         or ported to Cloog.
4860         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4861         (POLYLIBINC): Renamed PPLINC.
4862
4863 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4864             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4865             Jan Sjodin  <jan.sjodin@amd.com>
4866
4867         Finish the merge and tuplification of graphite.
4868
4869 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4870             Jan Sjodin  <jan.sjodin@amd.com>
4871
4872         Partial merge from mainline (138072:138275).
4873         * graphite.c still has to be tuplified.
4874
4875 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4876
4877         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4878         (create_num_from_index): New.
4879         (get_num_from_index): Also pass in the graphite BB.
4880         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4881         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4882         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4883         (is_interchange_valid): Return false when failing.
4884         * graphite.h (struct num_map): New.
4885         (struct graphite_bb): New field num_map.
4886         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4887
4888 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4889
4890         * graphite.c (dump_gbb_conditions): Print also conditions like
4891         "if (a)".  Remove dublicated code and use print_generic_expr ().
4892         (stmt_simple_for_scop_p): Only allow conditions we can handle
4893         {<, <=, >, >=}.
4894
4895 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4896
4897         * graphite.h (struct scop): Removed new_ivs field.
4898         (SCOP_NEWIVS): Deleted.
4899         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4900         clast_to_gcc_expression, graphite_create_new_loop):
4901         Removed use of new_ivs.
4902
4903 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4904
4905         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4906         create_loops_mapping_num, debug_loop_mapping_1): New.
4907         (debug_loop_mapping): Call debug_loop_mapping_1.
4908         (get_loop_mapping_for_num,
4909         graphite_loops_mapping_add_child,
4910         graphite_loops_mapping_add_child_num,
4911         graphite_loops_mapping_insert_child,
4912         graphite_loops_mapping_parent,
4913         split_loop_mapped_depth_for_num,
4914         loop_mapped_depth_split_loop): New.
4915         (increment_loop_mapped_depths): Removed.
4916         (swap_loop_mapped_depth_for_num): Reimplemented.
4917         (new_scop): Call create_loops_mapping.
4918         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4919         (translate_clast): Pass the old loop father in parameter, and pass
4920         it to get_old_iv_from_ssa_name.
4921         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4922         can_generate_code, can_generate_for_scop): New.
4923         (graphite_trans_bb_block): Returns false when it fails to transform.
4924         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4925
4926 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4927
4928         Reverted all the changes related to the streamization and
4929         loop fusion.
4930         These changes are now tracked in the streamization branch.
4931
4932 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4933             Jan Sjodin  <jan.sjodin@amd.com>
4934
4935         * graphite.c (gbb_compare): Correctly constify.
4936         (gbb_can_be_ignored): Indent.
4937         (graphite_trans_scop_swap_1and2): Add legality check.
4938         Remove dead FIXMEs.
4939
4940 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4941
4942         Remove fallouts from "Reverted the Condate changes".
4943         * tree.h: Remove unused decl.
4944         * testsuite/gcc.dg/tree-checker: Same.
4945         * timevar.def: Remove counter.
4946
4947 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4948
4949         * Merge from mainline (135673:138072).
4950
4951         Reverted the MIRO changes (from 2008-04-05) that are now
4952         tracked in the miro branch.
4953         * tree-bounds.c: Removed.
4954         * tree-bounds.h: Removed.
4955
4956         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4957         are now tracked in the condate branch.
4958         * tree-check.c: Removed.
4959         * tree-match.c: Removed.
4960         * condate.y: Removed.
4961
4962 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4963
4964         * common.opt: New user flag -floop-block, -floop-strip-mine
4965         and -floop-interchange.
4966         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4967         graphite loop optimization flags is turned on.
4968         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4969         flag_loop_strip_mine and flag_loop_interchange checks before
4970         optimizations.
4971         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4972         -floop-strip-mine and -floop-interchange.
4973         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4974         -fgraphite.
4975         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4976         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4977         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4978
4979 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4980             Sebastian Pop  <sebastian.pop@amd.com>
4981
4982         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4983         (create_empty_loop_on_edge): More fixes.
4984         * tree-phinodes.c (resize_phi_node): Extern.
4985         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4986         * cfghooks.c (update_dominator_information): New split from
4987         split_edge.
4988         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4989         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4990         successor of the function entry block.
4991
4992         * graphite.c: Include pointer-set.h.
4993         (debug_loop_mapping, increment_loop_mapped_depths,
4994         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4995         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4996         swap_loop_mapped_depth_for_num, get_num_from_index,
4997         swap_loop_mapped_depth, loop_iv_stack_debug,
4998         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4999         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5000         get_old_iv_from_ssa_name): New.
5001         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5002         (free_scop): Free SCOP_LOOPS_MAPPING.
5003         (scop_record_loop): Record old ivs.
5004         (create_var_name): Removed.
5005         (initialize_cloog_names): Allocate double space in case strip mine
5006         applies to all loops once.
5007         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5008         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5009         translation.
5010         (graphite_create_new_loop): Pass in ivstack.
5011         (remove_all_edges): Pass in the construction_edge.
5012         (graphite_remove_iv): Removed.
5013         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5014         remove_cond_exprs): Rewritten.
5015         (move_phi_nodes): New.
5016         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5017         (translate_clast): Pass in ivstack.  Rewrite some cases.
5018         (set_cloog_options, debug_clast_stmt): New.
5019         (find_transform): Use set_cloog_options.
5020         (outermost_loop_layer): Removed.
5021         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5022         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5023         mark_old_loops, remove_dead_loops): New.
5024         (gloog): Rewritten.
5025         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5026         (const_column_index, get_first_matching_sign_row_index,
5027         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5028         get_upper_bound): New.
5029         (graphite_trans_bb_strip_mine): Also update the iv map.
5030
5031         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5032         (struct name_tree): Add a loop field.
5033         (struct scop): Add a graphite_loops_mapping field.
5034         (SCOP_LOOPS_MAPPING): New.
5035         (debug_clast_stmt): Declare.
5036         * lambda.h (find_induction_var_from_exit_cond): Declare.
5037         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5038         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5039         (create_empty_loop_on_edge): Updated.
5040         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5041         rename_variables_in_bb): Declare.
5042         * tree-cfg.c (remove_bb): Extern.
5043
5044         * testsuite/gcc.dg/graphite/block-0.c: New.
5045
5046 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5047             Sebastian Pop  <sebastian.pop@amd.com>
5048
5049         * graphite.c (strip_mine_profitable_p): New.
5050         (graphite_trans_bb_block): Disable strip mining if not profitable.
5051
5052         * testsuite/gcc.dg/graphite/scop-18.c: New.
5053         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5054         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5055
5056 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5057             Jan Sjodin  <jan.sjodin@amd.com>
5058             Sebastian Pop  <sebastian.pop@amd.com>
5059
5060         * graphite.c (is_interchange_valid): New.
5061         (graphite_trans_bb_block): Check loop nest of basic block for legality
5062         of interchange.
5063
5064         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5065         outer_most_loop, gbb_outer_most_loop_index): New.
5066
5067         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5068         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5069         * testsuite/gcc.dg/graphite/scop-16.c: New.
5070         * testsuite/gcc.dg/graphite/scop-17.c: New.
5071
5072 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5073
5074         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5075         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5076
5077 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5078
5079         * graphite.c (new_scop): Initialize SCOP_EXIT.
5080         (scopdet_info): Add.
5081         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5082         (build_scops_1): Cleanup, bugfixes.
5083         (build_scops): Cleanup.
5084
5085         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5086         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5087
5088 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5089
5090         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5091
5092         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5093         DEFAULT_GRAPHITE_FLAGS.
5094
5095         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5096
5097 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5098
5099         * graphite.c (scan_tree_for_params): Do not assert any more if
5100         MULT_EXPR parameter is negative.
5101
5102         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5103
5104         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5105
5106         * testsuite/gcc.dg/graphite/scop-15.c: New.
5107
5108 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5109
5110         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5111
5112 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5113
5114         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5115         graphite_swap_loops.
5116         (graphite_trans_bb_move_loop): New.
5117         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5118         (graphite_trans_bb_block): New.
5119         (graphite_trans_loop_block): New.
5120         (graphite_trans_scop_swap_1and2): Rename from
5121         graphite_trans_swap_1and2.
5122         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5123         (graphite_trans_scop_block): New.
5124         (graphite_apply_transformations): Rename from
5125         graphite_transformations.
5126
5127         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5128
5129 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5130
5131         * graphite.c (gbb_compare): New.
5132         (graphite_sort_gbbs): New.
5133         (gbb_can_be_ignored): New.
5134         (scop_remove_ignoreable_gbbs): New.
5135         (graphite_transformations): Cleanup and add
5136         scop_remove_ignoreable_gbbs.
5137         * lambda.h (lambda_vector_compare): New.
5138
5139 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5140
5141         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5142         (graphite_swap_loops): int -> unsigned
5143         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5144         (graphite_transformations): New.
5145         (graphite_transform_loops): Move to graphite_transformations.
5146         * graphite.h (gbb_nb_loops): Return unsigned.
5147
5148 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5149
5150         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5151         the domain matrix.  This makes scop-0.c work again.
5152
5153 2008-06-20  Richard Guenther  <rguenther@suse.de>
5154
5155         * graphite.h: Adjust copyright to GPLv3.
5156         * graphite.c: Likewise.
5157         (stmt_simple_memref_for_scop_p): Split out from ...
5158         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5159         and simplify.
5160         (get_bb_type): Optimize.
5161         (is_pred): Remove.
5162         (is_bb_addable): Fix memleak, replace is_pred call with
5163         single_pred.
5164         (build_scops): Use current_loops.
5165         (param_index): Fix memleak.
5166
5167 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5168
5169         * graphite.c: Fix formatting.
5170
5171 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5172
5173         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5174         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5175         (create_var_name, save_var_name): Newly defined functions.
5176         (initialize_cloog_names): Part of the code factored out to
5177         save_var_name.
5178         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5179         in clast_reduction statement.
5180         (graphite_create_new_loop): Now takes a new parameter
5181         for outer_loop.
5182         (translate_clast): Now also takes the context_loop and bb_exit
5183         parameters. Rewritten the code so that it creates a gimple code
5184         inside the given context.
5185         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5186         remove_cond_expr, disconnect_cond_expr,
5187         disconnect_virtual_phi_nodes): Newly defined functions.
5188         * graphite.h (struct scop): added old_ivs vector.
5189         SCOP_OLDIVS: New macro.
5190
5191 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5192
5193         * cfgloopmanip.c: Add missing function comments, fix formatting.
5194
5195 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5196
5197         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5198         (create_empty_loop_on_edge): Defined.
5199         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5200         instead of void.
5201         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5202         (update_dominators_in_loop): Declared as extern
5203         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5204
5205 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5206
5207         * graphite.c (print_graphite_bb): Allow changing number of loops
5208         in SCoP domain.
5209         (initialize_cloog_names): Allow changing number of loops.
5210         (build_cloog_prog): Simplify.
5211         (find_transform): Enable cloog option --strides.
5212         (graphite_swap_loops): New.
5213         (graphite_strip_mine_loop): New.
5214         (graphite_trans_swap_1and2): New.
5215         (graphite_trans_strip): New.
5216         (graphite_transform_loops): Add graphite_trans_strip.
5217         * graphite.h (scop_max_loop_depth): New.
5218
5219 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5220
5221         * graphite.c (build_scop_iteration_domain): Remove forgotten
5222         line. (Fixes compile)
5223
5224 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5225
5226         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5227         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5228         (build_bb_loops): New.
5229         (graphite_transform_loops): Add build_bb_loops.
5230         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5231         numbers.
5232         * graphite.h (graphite_bb): Add loops.
5233         (gbb_nb_loops): New.
5234         (gbb_loop_at_index): New.
5235         (gbb_loop_index): New.
5236         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5237         using nb_params_in_scop.
5238
5239 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5240
5241         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5242         (build_scop_canonical_schedules): Build minimized schedule.
5243         (schedule_to_scattering): Adapt to minimized schedule.
5244         * graphite.h (graphite_bb): Add/Update descriptions.
5245
5246 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5247             Tobias Grosser  <grosser@fim.uni-passau.de>
5248
5249         * graphite.c (print_graphite_bb): Add condition printing.
5250         (dump_value): New.
5251         (dump_gbb_conditions): New.
5252         (build_scop_conditions_1): New.
5253         (build_scop_conditions): New.
5254         * graphite.h (graphite_bb): Add conditions.
5255
5256 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5257
5258         * graphite.c (print_graphite_bb):
5259         (free_graphite_bb): New.
5260         (free_scop): Free bbs.
5261         (get_bb_type): Free doms.
5262         (build_scop_context): Free context matrix.
5263         (build_loop_iteration_domains): Remove unused code.
5264         (build_cloog_prog): Free scattering function and blocklist.
5265         (find_transform): Free options.
5266
5267 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5268
5269         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5270         Remove unnecessery cloog data structures. Make a copy of the domain
5271         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5272         unnecessary cloog data structures. Fix memory leaks. Remove insert
5273         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5274         used.
5275         (build_scop_iteration_domain): Remove unnecessary cloog
5276         data structures.  Fix memory leaks.
5277         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5278         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5279
5280 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5281
5282         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5283
5284 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5285
5286         * graphite.c (end_scop): Style fix.
5287         (schedule_to_scattering): Style and comment fix.
5288
5289 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5290         * graphite.c (print_graphite_bb): Fix definiton of
5291         schedule_to_scattering.
5292         (initialize_cloog_names): Change nb_scattdims to max loop
5293         depth in SCoP.
5294         (schedule_to_scattering): Take parameter for number of scattering
5295         dimensions.
5296         (build_cloog_prog): Only build as much scattering dimensions as
5297         necessary.
5298
5299 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5300
5301         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5302         in polyhedron/aermod.f90.
5303
5304 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5305             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5306             Harsha Jagasia  <harsha.jagasia@amd.com>
5307
5308         * graphite.c (is_bb_addable): Fix segfault.
5309
5310 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5311
5312         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5313         with multiple exits and conditional handling in edge cases.
5314         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5315
5316         * testsuite/gcc.dg/graphite/scop-14.c: New.
5317
5318 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5319             Adrien Eliche  <aeliche@isty.uvsq.fr>
5320
5321         * graphite.c (is_bb_addable): Add more comments and enhance
5322         readablity of the source code. Fix memory leak.
5323         (is_loop_exit): Fix memory leak.
5324
5325 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5326
5327         * graphite.c (first_loop_in_scop): Deleted.
5328         (setup_cloog_loop): Only walk the loop chain for inner loops.
5329         (build_scop_iteration_domain): Execute setup_cloog_loop for
5330         all loops in the first layer.
5331
5332 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5333
5334         * graphite.c (scan_tree_for_params): Change the way params are
5335         added to be indepenent of the number of loops.
5336         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5337         handling.
5338         (build_cloog_prog): Revert to short matrix format.
5339
5340 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5341             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5342
5343         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5344         warning.
5345
5346 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5347
5348         * graphite.c (nb_data_refs_in_scop): New.
5349         (graphite_transform_loops): Print more stats: number of
5350         loops, basic blocks and data references per scop.
5351
5352 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5353             Jan Sjodin  <jan.sjodin@amd.com>
5354
5355         * graphite.c (loop_affine_expr, idx_record_params,
5356         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5357         instead of instantiate_parameters.
5358
5359 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5360
5361         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5362         add support for parameters, add STATIC_SCHEDULE at the right places,
5363         cleanup.
5364
5365 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5366
5367         * graphite.c (build_scop_loop_nests): Only add the loops, that
5368         are contained completely in the SCoP.
5369         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5370         and the domains are fixed.
5371         (build_scop_canonical_schedules): Add support for bbs not contained
5372         in any SCoP.
5373
5374 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5375
5376         * graphite.h (scop_contains_loop): Update comments to match
5377         the actual behavior.
5378         (scop_contains_loop): New.
5379         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5380
5381 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5382
5383         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5384         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5385         as GBB_COND_HEADER.
5386
5387 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5388             Tobias Grosser  <grosser@fim.uni-passau.de>
5389
5390         * graphite.c (graphite_transform_loops): Early return when
5391         there are no loops in the function.
5392
5393 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5394             Jan Sjodin  <jan.sjodin@amd.com>
5395
5396         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5397         offset of the last loop.
5398         (setup_cloog_loop): Copy the entire outer constraint matrix.
5399
5400 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5401             Jan Sjodin  <jan.sjodin@amd.com>
5402
5403         * graphite.c (stmt_in_scop_p, function_parameter_p,
5404         invariant_in_scop_p): Removed.
5405         (scan_tree_for_params): Can be used with no constraint
5406         matrix for gathering parameters.
5407         (idx_record_params): Don't use idx_record_param, instead use
5408         scan_tree_for_params.
5409         (find_scop_parameters): Same.
5410         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5411         Fix the size of loop domains.
5412         (schedule_to_scattering): Exit when the outer loop is not in scop.
5413         (find_transform): Enable build_cloog_prog.
5414
5415 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5416             Jan Sjodin  <jan.sjodin@amd.com>
5417
5418         * graphite.c (schedule_to_scattering): Make scattering domains
5419         uniformly of the same size, as required by CLooG 0.14.0 and before.
5420
5421 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5422             Jan Sjodin  <jan.sjodin@amd.com>
5423
5424         * graphite.c (schedule_to_scattering): Rewrite, correct the
5425         translation of the scheduling function to scattering.
5426         (build_cloog_prog): Call schedule_to_scattering only once.
5427         * graphite.h (scop_loop_index): Do not fail for loops not
5428         in the scop: return -1.
5429
5430 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5431
5432         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5433         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5434         (setup_cloog_loop): Export GBB_DOMAIN.
5435         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5436         able to rebuild the original control flow.
5437         * graphite.h (graphite_bb): Add domain field and access macro.
5438         (GBB_DOMAIN): New.
5439
5440 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5441
5442         * graphite.c (debug_gbb): New.
5443         (print_scop, build_graphite_bb): Use SCOP_BBS.
5444         (build_scop_bbs): Reimplemented.
5445         (dfs_bb_in_scop_p): Removed.
5446         (build_scop_loop_nests): Reorder loops inserted in
5447         SCOP_LOOP_NEST: outer loops should come first.
5448         (build_scop_canonical_schedules): Reinitialize at zero
5449         the components of the SCOP_STATIC_SCHEDULE for the loops
5450         that have already been parsed.
5451
5452         * graphite.h (debug_gbb): Declared.
5453
5454 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5455             Jan Sjodin  <jan.sjodin@amd.com>
5456
5457         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5458         (graphite_loop_to_gcc_loop): Removed.
5459         (remove_all_edges): New.
5460         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5461         (gloog): Remove useless code.
5462
5463 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5464
5465         * graphite.c (get_bb_type): Reworked. We distinguish between
5466         loops with one or multiple exits.
5467         (is_loop_exit): New.
5468         (is_pred): New.
5469         (is_bb_addable): Rework condition handling, now support for case
5470         case statements and loops with multiple exits.
5471
5472         * testsuite/gcc.dg/graphite/scop-11.c: New.
5473         * testsuite/gcc.dg/graphite/scop-12.c: New.
5474         * testsuite/gcc.dg/graphite/scop-13.c: New.
5475
5476 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5477
5478         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5479         we have too many colors.
5480
5481 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5482
5483         * doc/invoke.texi (-ftree-loop-fusion): Document.
5484         * tree-pass.h (pass_loop_fusion): Declared.
5485         * tree-loop-fusion.c: New.
5486         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5487         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5488         * tree-data-ref.h (find_data_references_in_loop): Declared.
5489         * common.opt (ftree-loop-fusion): Declared.
5490         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5491
5492 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5493
5494         * graphite.c (build_access_matrix): Fix typo from the merge.
5495
5496 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5497
5498         * Merge from mainline (130800:135673).
5499
5500 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5501
5502         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5503         Update dominators after splitting.
5504
5505 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5506
5507         * graphite.c (is_bb_addable): Return the harmful statement.
5508         Factor up some code.
5509         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5510         (build_scops_1): Call end_scop.
5511
5512 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5513
5514         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5515         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5516         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5517         build_scops_1): Removed.
5518         (build_scops_2): Renamed build_scops_1.
5519
5520 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5521
5522         * graphite.c: Fix formatting.
5523
5524 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5525
5526         * graphite.c (get_bb_type): New.
5527         (move_scops): New.
5528         (build_scops_2): New.
5529         (is_bb_addable): New.
5530         (build_scops): Switch the scop detection.
5531         (build_scop_bbs): Add entry bb to scop.
5532         * graphite.h (struct scop): Update comment.
5533
5534 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5535
5536         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5537         more colors.
5538
5539 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5540
5541         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5542         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5543         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5544         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5545         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5546
5547 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5548
5549         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5550         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5551         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5552         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5553         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5554
5555 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5556
5557         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5558         Check affine expressions depending on the outermost loop
5559         instead of a scop.
5560         (stmt_simple_for_scop_p): Same.
5561         (harmfule_stmt_in_scop): Same.
5562
5563 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5564
5565         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5566         mark entry and exit, that are not part of the SCoP and update HTML
5567         formatting.
5568
5569 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5570
5571         * graphite.c (basic_block_simple_for_scop_p): Renamed
5572         harmful_stmt_in_bb.
5573         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5574         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5575         (all_preds_visited_p, all_succs_visited_p,
5576         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5577         scop_end_loop): New.
5578         (build_scops): Do not use dfs_enumerate_from.
5579
5580         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5581
5582 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5583
5584         * graphite.c: Add comments to functions that are missing a
5585         description.
5586         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5587
5588 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5589
5590         * graphite.c (nb_params_in_scop): Moved...
5591         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5592         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5593         (clast_to_gcc_expression): Reduce column size to less than 80.
5594         (graphite_create_iv): Return the new name of the IV.
5595         (find_transform): Set options->esp and options->cpp.
5596         (gloog): Comment out the invalidation of the old loop code.
5597         (initialize_dependence_polyhedron): Replace scop_nb_params with
5598         nb_params_in_scop.
5599
5600         * graphite.h (nb_params_in_scop): ... here.
5601         (scop_nb_params): Removed.
5602         (loop_domain_dim): Return something even when the loop was not
5603         found in the hash table: avoid ICEing on all the graphite.exp
5604         testcases.
5605
5606 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5607
5608         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5609
5610         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5611         according to nesting level.
5612         (find_scop_parameters): Call instantiate_parameters.
5613         (scan_tree_for_params): Extend it to handle general affine bounds.
5614         Inner loop bound can depend on outer loop induction variable.
5615         (setup_cloog_loop): tmp variable is allocated on stack. Call
5616         instantiate_parameters with respect to outermost_loop_in_scop.
5617         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5618         graphite.h.
5619         (create_empty_loop): Function loopify should be given edge
5620         probability, instead of edge frequency. Dominance relation from
5621         switch_bb to loop_header.
5622         (clast_to_gcc_expression): Added handling of clast_reduction node.
5623         (gloog): New functionality for removing old loop.
5624         (test_dependence): Factored out from build_rdg_all_levels.
5625         (build_rdg_all_levels): Dependence testing factored out to
5626         test_dependence function.
5627
5628         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5629         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5630         from graphite.c
5631
5632 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5633
5634         * graphite.c (free_scop, param_index, initialize_cloog_names,
5635         nb_params_in_scop): Use name_tree map instead of just a tree
5636         for keeping track of the variable name associated to that tree.
5637         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5638         clast_to_gcc_expression, graphite_create_iv,
5639         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5640         graphite_stmt_to_gcc_stmt): New.
5641         (gloog): Call these.
5642         * graphite.h (struct name_tree): New.
5643         (struct scop): Use name_tree instead of tree for params.
5644         Store a vector of name_tree for new_ivs.
5645         (SCOP_NEWIVS): New.
5646         (scop_nb_params): Use name_tree instead of tree.
5647
5648 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5649             Sebastian Pop  <sebastian.pop@amd.com>
5650
5651         * tree-bounds.c: New.
5652         * tree-bounds.h: New.
5653         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5654         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5655         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5656         flag_mudflap.
5657         * gcc.c: Same.
5658         * toplev.c: Same.
5659         * c-cppbuiltin.c: Same.
5660         * c-pragma.c: Same.
5661         * common.opt: Same.
5662         * varasm.c: Same.
5663         * tree-outof-ssa.c: Same.
5664         * c-common.c: Same.
5665         * Makefile.in: Same.
5666
5667 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5668             Sebastian Pop  <sebastian.pop@amd.com>
5669
5670         * tree-loop-distribution.c (remaining_stmts,
5671         upstream_mem_writes): Removed static variables.
5672         (copy_loop_before, create_bb_after_loop,
5673         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5674         rdg_build_components, rdg_build_partitions,
5675         dump_rdg_partitions): Extern.
5676         (generate_loops_for_partition, generate_code_for_partition): Do not
5677         return a bool.
5678         (already_processed_vertex_p, predecessor_has_mem_write,
5679         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5680         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5681         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5682         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5683         Pass remaining_stmts and upstream_mem_writes as parameters.
5684         (rdg_component): Moved...
5685         (build_rdg_partition_for_component): Do not aggregate components when
5686         flag_streamize_loops is set.
5687         (gen_sequential_loops): New.
5688         (ldist_gen): Call gen_sequential_loops.
5689
5690         * tree-pass.h (pass_loop_streamization): Declared.
5691
5692         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5693         basic blocks when loops structures exist.
5694
5695         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5696
5697         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5698
5699         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5700         eliminate_local_variables_stmt, eliminate_local_variables,
5701         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5702         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5703         of code delimited by two edges in the CFG.
5704         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5705         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5706         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5707         the case of parallelisation of reductions.
5708         (create_loop_fn): Extern.
5709         (create_omp_parallel_region): New.
5710
5711         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5712         dump_data_reference for printing dra and drb.
5713         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5714         RDGE_RELATION.
5715         (build_rdg): Don't call free_dependence_relations for the moment, as
5716         we attach dependence relations on each edge of the RDG.
5717         To be fixed later.
5718
5719         * tree-data-ref.h (rdg_component): ...here.
5720         (struct rdg_edge): New field ddr_p relation.
5721         (RDGE_RELATION): New.
5722         (create_bb_after_loop, copy_loop_before,
5723         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5724         rdg_build_partitions, dump_rdg_partitions,
5725         free_rdg_components): Declared.
5726
5727         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5728         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5729
5730         * tree-loop-streamization.c: New.
5731
5732         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5733         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5734
5735         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5736
5737         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5738
5739         * passes.c: Schedule pass_loop_streamization.
5740
5741 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5742
5743         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5744         update comment.
5745
5746 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5747
5748         * graphite.c (dot_all_scops): Update formatting.
5749         Bbs can now be part of more than one SCoP.
5750
5751 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5752
5753         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5754         malloc problems.
5755         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5756         * graphite.h (loop_to_cloog_loop): New.
5757
5758 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5759
5760         * graphite.c (loop_domain_dim, ref_nb_loops,
5761         loop_iteration_vector_dim): New.
5762         (build_access_matrix_with_af, build_access_matrix,
5763         initialize_dependence_polyhedron): Fixed for new matrix layout.
5764         No longer assume that all iteration domains are of the same
5765         dimensionality.
5766
5767 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5768
5769         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5770         defined in a loop at depth 0 is invariant.
5771         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5772         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5773         be called at loop depth 0.
5774
5775         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5776         a parameter.
5777         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5778         (down_open_scop): Removed.
5779         (loop_in_scop_p): Redefined.
5780         (scop_affine_expr): New argument: scop.
5781         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5782         a harmful statement ending a scop.
5783         (basic_block_simple_for_scop_p): New argument: scop.
5784         (get_loop_start): Removed.
5785         (new_scop): Initialize SCOP_LOOPS.
5786         (free_scop): Free SCOP_LOOPS.
5787         (succs_at_same_depth, preds_at_same_depth): New.
5788         (end_scop): Test the validity of a scop.
5789         (add_dominators_to_open_scops): New.
5790         (test_for_scop_bound): Call add_dominators_to_open_scops.
5791         Add cases for opening and closing multiple scops.
5792         (build_scops, build_scop_bbs): Iterate over basic blocks in
5793         depth first order.
5794         (build_graphite_bb): Pass scop directly.
5795         (dfs_bb_in_scop_p): New.
5796         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5797         several times.
5798         (nb_loops_around_gb): Use loop_in_scop_p.
5799         (schedule_to_scattering): Disabled for the moment the code computing
5800         the "textual order for outer loop".
5801
5802         * graphite.h (struct scop): New field loops.
5803         (SCOP_LOOPS): New.
5804         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5805
5806         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5807
5808 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5809             Sebastian Pop  <sebastian.pop@amd.com>
5810
5811         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5812         * common.opt (fstreamize-loops): New.
5813         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5814         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5815         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5816         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5817
5818 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5819
5820         * tree-data-ref.c (build_empty_rdg): New.
5821         (build_rdg): Use it.
5822         * tree-data-ref.h (build_empty_rdg): Declared.
5823         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5824         (find_vertex_for_stmt): Removed.
5825         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5826
5827 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5828
5829         * tree-loop-distribution.c (generate_builtin): After cancelling the
5830         loop tree, also delete basic blocks.
5831         (rdg_flag_uses): Stop recursion when a vertex has already been
5832         processed.
5833
5834 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5835
5836         * graphite.c (build_scop_alpha): Removed.
5837         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5838         and dump_dependence_graph to avoid compiler warnings.
5839
5840 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5841
5842         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5843         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5844         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5845         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5846         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5847         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5848         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5849         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5850         dump_dependence_graph): New.
5851         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5852         (GBB_ALPHA): New.
5853         (struct scop): New field loop2cloog_loop.
5854         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5855         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5856
5857 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5858
5859         * graphite.c (build_graphite_bb): Fix initialization
5860         of the graphite basic block.
5861
5862 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5863
5864         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5865         loop domain matrix.  Pass in the number of loops contained in the
5866         constraint matrix.
5867         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5868         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5869         loops that are not surrounding the current loop are not represented
5870         in the domain constraint matrix.
5871         (build_scop_iteration_domain): Initial domain constraint matrix
5872         contains only the eq/ineq, cst, and scop parameters columns.
5873
5874 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5875
5876         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5877         (print_graphite_bb): Print scattering.
5878
5879 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5880
5881         * graphite.c (initialize_cloog_names): Initialize names of
5882         scattering variables.
5883
5884 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5885
5886         * graphite.c (dot_all_scops_1): Disable debug output while
5887         printing graph.
5888
5889 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5890
5891         * graphite.c (find_transform): Change cloog output language to C.
5892
5893 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5894
5895         * tree-loop-distribution.c (generate_memset_zero,
5896         generate_builtin, generate_code_for_partition,
5897         rdg_flag_all_uses): New.
5898         (rdg_flag_uses): Gather in the same partition the statements defining
5899         the VUSES of the current statement.
5900         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5901         Gather in the same partition not only the stores to the same memory
5902         access, but also the reads.
5903         (ldist_generate_loops): Renamed ldist_gen.
5904
5905 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5906             Tobias Grosser  <grosser@fmi.uni-passau.de>
5907
5908         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5909         next pointer, don't use the inner pointer.
5910
5911 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5912
5913         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5914         (find_transform): Call dot_all_1.
5915         * graphite.h (dot_all_scops): Declared.
5916
5917 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5918
5919         * tree-loop-distribution.c: Fix apsi.f ICE.
5920         (create_bb_after_loop): New.
5921         (generate_loops_for_partition): Use it.
5922         * testsuite/gfortran.dg/ldist-1.f90: New.
5923
5924         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5925         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5926
5927 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5928
5929         * graphite.c (find_transform): Dump cloog program sent to cloog.
5930
5931 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5932
5933         * graphite.c (initialize_cloog_names): Initialize cloog
5934         iterator names.
5935
5936 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5937
5938         * graphite.c (build_scop_context): Fix typo, for the matrix
5939         format: insert '0 >= 0' instead of '-1 >= 0'.
5940
5941 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5942
5943         * Fix merge problems.
5944
5945 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5946
5947         * graphite.c (setup_cloog_loop): Fix typo.
5948
5949 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5950
5951         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5952         * tree-loop-distribution.c: Reimplemented.
5953         * tree-pass.h (pass_loop_distribution): New.
5954         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5955         print_loops.
5956         * graphds.h (struct graph): New field indexes.
5957         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5958
5959         * tree-vect-analyze.c: Remove declaration of static functions when not
5960         needed.
5961         * tree-vectorizer.c: Same.
5962         (rename_variables_in_loop): Now extern.
5963         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5964         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5965         calling redirect_edge_and_branch_force.
5966
5967         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5968
5969         * tree-data-ref.c: Don't include tree-chrec.h.
5970         (debug_data_dependence_relations): New.
5971         (dump_data_dependence_relation): Call dump_data_reference on data refs
5972         in the relation.
5973         (same_access_functions): Moved...
5974         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5975         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5976         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5977         struct rdg_vertex_info, ): New.
5978         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5979         at DDR_REVERSED_P.
5980         (create_rdg_vertices): Initialize the htab of graph->indexes.
5981         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5982         (stmts_from_loop): Don't save LABEL_EXPR.
5983         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5984         hash_stmt_vertex_del): New.
5985         (build_rdg): Initialize rdg->indexes.
5986         (free_rdg, stores_from_loop, ref_base_address,
5987         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5988         have_similar_memory_accesses_1, ref_base_address_1,
5989         remove_similar_memory_refs): New.
5990
5991         * tree-data-ref.h: Include tree-chrec.h.
5992         (debug_data_dependence_relations): Declared.
5993         (same_access_functions): ...here.  Now static inline.
5994         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5995         ddr_dependence_level): New.
5996         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5997         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5998         RDG_MEM_READS_STMT): New.
5999         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6000         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6001         rdg_vertex_for_stmt): Declared.
6002         (struct rdg_edge): New field level.
6003         (RDGE_LEVEL, free_rdg): New.
6004         (stores_from_loop, remove_similar_memory_refs,
6005         rdg_defs_used_in_other_loops_p,
6006         have_similar_memory_accesses): Declared.
6007         (rdg_has_similar_memory_accesses): New.
6008
6009         * lambda.h (dependence_level): New.
6010         * common.opt (ftree-loop-distribution): New.
6011         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6012         (print_loop_ir): Renamed print_loops.
6013         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6014         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6015         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6016         (tree-loop-distribution.o): Added.
6017         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6018         (mark_virtual_ops_in_bb): New.
6019         (print_loops_bb, debug_loop_num, debug_loop): New.
6020         * passes.c: Scheduled pass_loop_distribution.
6021
6022 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6023
6024         * graphite.c (scan_tree_for_params): Correct the number of columns
6025         for polylib format.
6026         (nb_flat_iterator): New.
6027         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6028         (build_scop_iteration_domain): Correct the number of columns for
6029         polylib format.
6030
6031 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6032
6033         * Merge from mainline (129697:130800).
6034
6035 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6036
6037         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6038         dominated by SCoP's exit.
6039         (graphite_transform_loops): Compute post dominators.
6040
6041 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6042
6043         * Merge from mainline (127169:129697).
6044
6045 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6046
6047         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6048         parameter for the basic block that contains the expression.  Use
6049         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6050         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6051         the expression.
6052         * graphite.h (gbb_loop): New.
6053         (GBB_LOOP): Removed.
6054
6055 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6056
6057         * Makefile.in: Fix merge problem.
6058
6059 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6060
6061         * Merge from mainline (125309:127169).
6062         * tree-loop-distribution.c: Disabled.
6063
6064 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6065
6066         * Merge from mainline (r123693:125309).
6067
6068 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6069
6070         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6071         correct_modify_p
6072         (correct_modify_p, check_statements, number_of_lvalue_uses,
6073         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6074         instead of MODIFY_EXPR.
6075         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6076         and push new edges.
6077
6078 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6079
6080         * tree-loop-distribution.c (struct rdg): Replace arrays by
6081         VECs for edges and vertices.
6082         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6083         (RDGV_NB_PARTITIONS): New.
6084         (PRDG_NBV, PRDG_NBE): Removed.
6085         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6086         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6087         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6088
6089 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6090             Sebastian Pop  <sebpop@gmail.com>
6091
6092         * doc/invoke.texi (-ftree-loop-distribution): Document.
6093         * tree-loop-distribution.c: New file.
6094         * tree-pass.h (pass_loop_distribution): Declared.
6095         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6096         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6097         and set reversed_p.
6098         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6099         (DDR_REVERSED_P): New.
6100         * common.opt (-ftree-loop-distribution): New.
6101         * tree-flow.h (distribute_loops): Declared.
6102         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6103         * passes.c (init_optimization_passes): Schedule loop distribution.
6104
6105 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6106
6107         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6108         (print_scop): Don't print when scop is NULL.
6109         (build_scop_context, find_transform): Don't output to stderr.
6110
6111 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6112
6113         * tree-data-ref.c: Don't include graphite.h.
6114         Comment out the code for printing data reference's scop.
6115         (build_access_matrix_with_af): Moved...
6116         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6117         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6118         (print_graphite_bb): Print basic block's schedule.
6119         (print_scop): Don't print the schedule, call cloog's pretty printer.
6120         (bb_in_scop_p): A basic block is in a scop only if it is both
6121         dominated and postdominated by the scop's entry and exit basic blocks.
6122         (function_parameter_p): New.
6123         (invariant_in_scop_p): Use function_parameter_p.
6124         (new_scop, save_scop): New.
6125         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6126         save_scop.
6127         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6128         (loop_in_scop_p): New.
6129         (scop_record_loop): Use loop_in_scop_p.
6130         (build_scop_domain): Renamed build_scop_iteration_domain.
6131         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6132         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6133         setup_cloog_loop, dot_scop_1, dot_scop): New.
6134         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6135         (struct scop): Add a pointer to cloog's representation of a program.
6136
6137 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6138
6139         * doc/invoke.texi (-ftree-check-verbose): Renamed
6140         -ftree-checks-verbose.
6141         * common.opt (flag_tree_check_verbose): Renamed
6142         flag_tree_checks_verbose.
6143         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6144
6145 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6146
6147         * configure: Regenerated.
6148         * config.in: Regenerated.
6149         * tree-ssa-loop.c (graphite_transforms): Execute
6150         graphite_transform_loops only when HAVE_cloog.
6151         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6152         * graphite.c: Include polylibgmp.h and cloog.h.
6153         (graphite_transform_loops): Removed loops parameter.
6154         * tree-flow.h (graphite_transform_loops): Update declaration.
6155         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6156         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6157         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6158         (OBJS-common): Remove dependence on graphite.o.
6159         (BACKEND): Depend on @GRAPHITE@.
6160
6161 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6162
6163         * doc/invoke.texi (-ftree-check-verbose): Documented.
6164         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6165         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6166         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6167         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6168         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6169         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6170         * common.opt (ftree-checks-verbose): New.
6171         * tree-check.c (tree_check_warning): Move extra stderr output
6172         under control of flag_tree_check_verbose.
6173
6174 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6175
6176         * tree-match.c: Fix comments formatting.
6177         * tree-match.h: Fix comments formatting.
6178         * tree-check.c: Fix comments formatting.
6179         (tree_check_init): Restructure.
6180
6181 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6182
6183         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6184
6185 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6186
6187         * Merge from mainline (r120733:123693).
6188
6189 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6190
6191         * condate.y: New file.
6192         * tree-match.h (struct patt_info_s): New field sign.
6193         (struct condate_s): New field msg.
6194         (normalize_condate, name_condate, add_condate): New.
6195         (conds[], condate_parse): Made extern.
6196         * tree-check.c (tree_check_warning): First arg changed to cond;
6197         warning reformatted.
6198         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6199         (tree_scan): New.
6200         (tree_check): Process trivial condates.
6201         (read_delimited_string): Removed.
6202         (print_cond): Print name and msg.
6203         (conds[]): Made extern.
6204         (parse_tree_check_file_once): Rewritten to use the parser in
6205         condate.y.
6206         Processing of option --tree_check_string moved to tree_scan().
6207         * Makefile.in: Added condate.y
6208
6209 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6210
6211         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6212         Use VECs instead of varrays.
6213         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6214         * Makefile.in (pretty-print.o): Depend on vec.h.
6215         * pretty-print.c: Include tree.h and vec.h.
6216         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6217         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6218         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6219         pp_free_list): Use VECs instead of varrays.
6220         * pretty-print.h: Do not include varray.h.
6221         (struct tree_chunk_s): Declaration moved before its use.
6222         (output_buffer): Rename varray field to chunks.
6223         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6224         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6225         save_global_holes): Use VECs instead of varrays.
6226         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6227         * tree-check.c (scan_cfg_stmts, push_node,
6228         print_matching_stmt): Removed.
6229         (tree_check_instance, push_global_holes_if_new, tree_check,
6230         execute_tree_check): Use VECs instead of varrays.
6231         (gate_tree_check): Don't execute the CFG check when basic_block_info
6232         is not available.
6233
6234 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6235
6236         * Merge from mainline (r115016:120733).
6237
6238 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6239
6240         * Merge from mainline (r117632:117661).
6241
6242 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6243
6244         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6245         * tree-pass.h (TDF_DEBUG, debug_p): New.
6246         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6247         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6248         get_loop_exit_condition, analyze_evolution_in_loop,
6249         analyze_initial_condition, analyze_scalar_evolution,
6250         instantiate_parameters, number_of_latch_executions): Use debug_p.
6251         * tree-chrec.c (chrec_apply): Use debug_p.
6252         * tree-data-ref.c: Include graphite.h.
6253         (dump_data_reference): Print also the access matrix.
6254         (analyze_array, analyze_indirect_ref, init_data_ref,
6255         analyze_offset_expr, address_analysis, object_analysis,
6256         create_data_ref, finalize_ddr_dependent,
6257         non_affine_dependence_relation, analyze_ziv_subscript,
6258         analyze_siv_subscript_cst_affine,
6259         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6260         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6261         analyze_miv_subscript, analyze_overlapping_iterations,
6262         build_classic_dist_vector, subscript_dependence_tester,
6263         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6264         (build_access_matrix_with_af): No longer static.
6265         * tree-data-ref.h (scop_p): ... declaration here.
6266         (data_reference.scop): New field.
6267         (DR_SCOP, DR_ACCESS_MATRIX): New.
6268         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6269         * graphite.c (print_graphite_bb): Call dump_data_references.
6270         (print_scop): Use scop_nb_loops and scop_dim_domain.
6271         (test_for_scop_bound): Use debug_p.
6272         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6273         scop_nb_params.
6274         (scop_loop_index): Moved...
6275         (scop_record_loop): New.
6276         (build_scop_loop_nests): Use scop_record_loop.
6277         (build_scop_domain): Use scop_dim_domain.
6278         (build_access_matrix): Implemented.
6279         (build_scop_canonical_schedules): Use scop_nb_loops.
6280         (build_graphite_bb): Initialize GBB_SCOP.
6281         * graphite.h (scop_p): Moved...
6282         (graphite_bb.scop): New field.
6283         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6284         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6285         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6286         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6287         scop_loop_index): New.
6288         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6289
6290 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6291
6292         * Merge from mainline (r117661:120450).
6293
6294 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6295
6296         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6297         at the first declaration outside the varying loop, instantiate as
6298         far as possible.
6299         * tree-chrec.c (for_each_scev_op): New.
6300         * tree-chrec.h (for_each_scev_op): Declared.
6301         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6302         * tree-data-ref.c (get_references_in_stmt,
6303         find_data_references_in_stmt): New, from trunk.
6304         (find_data_references_in_loop): Use get_references_in_stmt
6305         and find_data_references_in_loop, modified as in trunk.
6306         (build_access_matrix_with_af): New.
6307         * tree-data-ref.h (data_reference): Add a field access_matrix.
6308         (data_ref_loc): New, as in trunk.
6309         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6310         invariant_in_scop_p, param_index, scan_tree_for_params,
6311         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6312         idx_record_param, idx_record_params, build_access_matrix,
6313         build_scop_data_accesses, build_scop_canonical_schedules,
6314         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6315         build_scop_params): New.
6316         * graphite.h (graphite_bb): New.
6317         (scop): Add fields static_schedule, params, loop_nest,
6318         iteration_domain.
6319         * lambda.h: Declare vecs of lambda_matrix.
6320         * tree-flow.h (print_loop_ir_bb): Declared.
6321         * tree-cfg.c (print_loop_ir_bb): New.
6322         (print_loop): Use print_loop_ir_bb.
6323
6324 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6325
6326         * Merge from mainline (r115016:117632).
6327
6328 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6329
6330         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6331         break due to a warning.
6332
6333 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6334
6335         * graphite.c (print_scops, debug_scops): New.
6336         (graphite_transform): Renamed graphite_find_transform.
6337         * graphite.h (debug_scops): Declared.
6338
6339 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6340
6341         * tree-match.c: Reformat following the GNU style.
6342         * tree-match.h: Reformat following the GNU style.
6343         * tree-pattern.h: Removed empty file.
6344         * Makefile.in: Remove references to tree-pattern.h.
6345         * tree-check.c: Reformat following the GNU style.
6346         (execute_tree_check): Move gate condition code to...
6347         (gate_tree_check): ...here.  New function.
6348         (pass_check): Use the gate function.
6349
6350 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6351
6352         * tree-pattern.h: New. Tree pattern matching and checking using
6353         concrete syntax.
6354         * tree-check.c: New. Tree/CFG checking pass.
6355         * tree-match.c: New. Library for tree pattern matching.
6356         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6357         * toplev.c, flags.h: Add globals for tree-check pass.
6358         * Makefile.in: Integrate the files in tree-check pass.
6359         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6360         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6361         Introduce a "lazy" pretty-print mode.
6362         * tree.c, tree.h: Add tree_name.
6363
6364 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6365
6366         * doc/invoke.texi (-fgraphite): Correct typo.
6367         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6368         use of print_loop_ir.
6369         * testsuite/gcc.dg/graphite/scop-1.c: New.
6370         * testsuite/gcc.dg/graphite/scop-2.c: New.
6371         * testsuite/gcc.dg/graphite/graphite.exp: New.
6372         * graphite.c: Include domwalk.h.
6373         (print_scop): Print only the entry and exit blocks.
6374         (debug_scop): No longer static.
6375         (affine_expr): Fix formating.  Return also true when the expression is
6376         constant.
6377         (stmt_simple_for_scop_p): Fix formating.
6378         (build_scops): Use domwalk.
6379         (get_loop_start, end_scop, test_for_scop_bound): New.
6380         (graphite_transform_loops): Avoid printing on stderr.
6381         * graphite.h (debug_scop): Declared.
6382         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6383         * Makefile.in (graphite.o): Depend on domwalk.h.
6384         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6385         declarations for static functions.
6386         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6387         controlling output verbosity.
6388
6389 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6390             Plesco Alexandru  <shurikx@gmail.com>
6391
6392         * doc/invoke.texi (-fgraphite): Document.
6393         * tree-pass.h (pass_graphite_transforms): Declared.
6394         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6395         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6396         (pass_graphite_transforms): Defined.
6397         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6398         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6399         * graphite.c, graphite.h: New.
6400         * common.opt (fgraphite): Declared.
6401         * tree-flow.h (graphite_transform_loops): Declared.
6402         * Makefile.in (OBJS-common): Add graphite.o.
6403         (graphite.o): New rule.
6404         * passes.c (pass_graphite_transforms): Scheduled.
6405