gcc/ChangeLog.graphite

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