gcc/ChangeLog.graphite

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