gcc/ChangeLog.graphite

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