gcc/ChangeLog.graphite

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