gcc/ChangeLog.graphite

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