gcc/ChangeLog.graphite

   1 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/42181
   4         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
   5         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
   6
   7         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
   8
   9 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
  10
  11         PR middle-end/42284
  12         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
  13         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
  14         (detect_commutative_reduction_arg): Simplified.
  15         (detect_commutative_reduction): Early return when the argument of
  16         the close phi is not of an SSA_NAME.
  17
  18         * testsuite/gcc.dg/graphite/pr42284.c: New.
  19
  20 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
  21
  22         * dbgcnt.def (graphite_scop): New counter.
  23         * graphite.c: Include dbgcnt.h
  24         (graphite_transform_loops): Use new counter to limit transformations.
  25
  26 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
  27
  28         PR middle-end/42285
  29         * graphite-scop-detection.c (graphite_can_represent_init): Also
  30         handle more complex MULT_EXPRs containing parameters by recursion
  31         on the structure.
  32
  33         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
  34
  35 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
  36
  37         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
  38
  39 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
  40
  41         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
  42
  43 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
  44
  45         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
  46         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
  47
  48 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  49
  50         PR middle-end/42130
  51         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
  52         translate_clast_for_loop): New.
  53         (translate_clast_for): Add a condition around the loop, to do not
  54         execute loops with zero iterations.
  55         * testsuite/g++.dg/graphite/pr42130.C: New.
  56         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
  57
  58 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  59
  60         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
  61         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
  62         Remove context_loop and level.
  63
  64 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  65
  66         * graphite-clast-to-gimple.c (translate_clast_user,
  67         translate_clast_for, translate_clast_guard): Simplify and move common
  68         elements to translate_clast().
  69         (translate_clast): Simplify and get common elements.
  70
  71 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  72
  73         * graphite-clast-to-gimple.c (translate_clast_user,
  74         translate_clast_for, translate_clast_guard): Split out of
  75         translate_clast.
  76
  77 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
  78
  79         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
  80         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
  81         debug_clast_name_indexes_1, debug_clast_name_indexes,
  82         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
  83         (clast_name_to_gcc, clast_to_gcc_expression,
  84         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
  85         gcc_type_for_clast_eq, graphite_translate_clast_equation,
  86         graphite_create_guard_cond_expr, graphite_create_new_loop,
  87         translate_clast): Add params_index.
  88         (initialize_cloog_names): Create parameter strings from scratch, do
  89         not reference other strings.
  90         (create_params_index): New.
  91         (gloog): Initialize params_index.
  92         * graphite-scop-detection (free_scops_1): Removed.
  93         (limit_scops): Use normal free_scops.
  94         * graphite-sese-to-poly.c (save_var_names): Removed.
  95         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
  96         and SESE_PARAMS_INDEX.
  97         * sese.c (new_sese, free_sese): Dito.
  98         * sese.h (struct sese): Remove params_index, params_names.
  99         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 100
 101 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 102
 103         Revert the following patch from 2009-09-14:
 104         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 105         tree-scalar-evolution.h, and then tree-data-ref.h.
 106         * graphite-clast-to-gimple.c: Same.
 107         * graphite-dependences.c: Same.
 108         * graphite-interchange.c: Same.
 109         * graphite-poly.c: Same.
 110         * graphite-scop-detection.c: Same.
 111         * graphite-sese-to-poly.c: Same.
 112         * graphite.c: Same.
 113         * lambda-code.c: Same.
 114         * matrix-reorg.c: Same.
 115         * tree-data-ref.c: Same.
 116         * tree-if-conv.c: Same.
 117         * tree-loop-distribu: Same.: Same.
 118         * tree-loop-linear.c: Same.
 119         * tree-parloops.c: Same.
 120         * tree-predcom.c: Same.
 121         * tree-vect-patterns.c: Same.
 122
 123 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 124
 125         Revert patch from 2009-09-14.
 126         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 127         passes at -O1 and below.
 128
 129 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 130
 131         PR middle-end/40281
 132         * testsuite/gcc.dg/graphite/pr40281.c: New.
 133
 134         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 135         evolutions should not variate in inner loops.
 136
 137 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 138
 139         PR middle-end/42050
 140         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 141
 142 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 143
 144         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 145         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 146
 147 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         * graphite-blocking.c (scop_do_block): New.
 150         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 151         * graphite-poly.h (scop_do_block): Declared.
 152
 153 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 156         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 157         to transform depth into the time_depth before calling
 158         pbb_number_of_iterations_at_time.
 159         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 160         lst_depth.
 161
 162 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 163
 164         Reverted the patch for "scattering permutations" from 2009-10-28.
 165
 166         * graphite-poly.c (print_permutation): New.
 167         (debug_permutation): New.
 168         (new_poly_bb): Initialize PBB_PERMUTATION.
 169         (free_poly_bb): Free PBB_PERMUTATION.
 170         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 171         (struct pbb_permutation_elt): New.
 172         (PBB_PERMUTATION_ELT_STRIDE): New.
 173         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 174         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 175         (new_pbb_permutation_elt): New.
 176         (pbb_permutation_elt_free): New.
 177         (struct poly_bb): Add field permutation.
 178         (PBB_PERMUTATION): New.
 179         (print_permutation): Declared.
 180         (debug_permutation): Declared.
 181
 182 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 183
 184         * graphite-interchange.c (build_partial_difference): New.
 185         (memory_stride_in_loop): Refactored the computation of
 186         equality constraints into build_partial_difference function.
 187         Added support for debugging stride computations.
 188
 189 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         * graphite-clast-to-gimple.c (gloog): Free if_region,
 192         if_region->true_region, and if_region->region.
 193         * sese.c (if_region_set_false_region): Free if_region->false_region.
 194         (create_if_region_on_edge): Do not use GGC_NEW.
 195         (move_sese_in_condition): Remove useless initialization.
 196
 197 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 198
 199         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 200         for the loops created by the loop distribution.  Do not modify the
 201         input LSTs.
 202         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 203         transformed schedule.  Call lst_update_scattering before data
 204         dependence analysis.
 205         (lst_try_interchange): Pass an extra parameter INDEX.
 206         (lst_do_interchange_1): New.
 207         (lst_do_interchange): Call lst_do_interchange_1.
 208         (scop_do_interchange): Call lst_update_scattering.
 209         * graphite-poly.c (apply_poly_transforms): Do not call
 210         lst_update_scattering.
 211         * graphite-poly.h (lst_pred): New.
 212         (lst_succ): New.
 213         (lst_find_first_pbb): Return NULL when not found.
 214         (lst_empty_p): New.
 215         (lst_insert_in_sequence): Allow LST1 to be NULL.
 216         (lst_replace): New.
 217         (lst_substitute_3): New.
 218         * gcc.dg/graphite/interchange-1.c: XFail.
 219         * gcc.dg/graphite/interchange-8.c: XFail.
 220         * gcc.dg/graphite/interchange-11.c: XFail.
 221
 222 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-interchange.c (lst_perfectly_nested_p): New.
 225         (lst_perfect_nestify): New.
 226         (lst_try_interchange_loops): Call store_lst_schedule,
 227         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 228         (scop_do_interchange): Avoid redundant legality test.
 229         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 230         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 231         * graphite-poly.h (psct_static_dim): New.
 232         (lst_dewey_number_at_depth): New.
 233         (lst_find_pbb): Restructured.
 234         (lst_find_first_pbb): Restructured.
 235         (lst_find_last_pbb): New.
 236         (lst_contains_p): New.
 237         (lst_contains_pbb): New.
 238         (lst_create_nest): New.
 239         (lst_remove_from_sequence): New.
 240         (pbb_update_scattering): New.
 241         (lst_update_scattering_under): New.
 242         (lst_update_scattering_seq): New.
 243         (lst_update_scattering): New.
 244         (lst_insert_in_sequence): New.
 245         (lst_distribute_lst): New.
 246         (lst_remove_all_before_including_pbb): New.
 247         (lst_remove_all_before_excluding_pbb): New.
 248
 249 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 250
 251         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 252         get_loop_exit_edges.
 253
 254 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 257
 258 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 259
 260         * graphite-poly.c (print_permutation): New.
 261         (debug_permutation): New.
 262         (new_poly_bb): Initialize PBB_PERMUTATION.
 263         (free_poly_bb): Free PBB_PERMUTATION.
 264         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 265         (struct pbb_permutation_elt): New.
 266         (PBB_PERMUTATION_ELT_STRIDE): New.
 267         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 268         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 269         (new_pbb_permutation_elt): New.
 270         (pbb_permutation_elt_free): New.
 271         (struct poly_bb): Add field permutation.
 272         (PBB_PERMUTATION): New.
 273         (print_permutation): Declared.
 274         (debug_permutation): Declared.
 275
 276 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-clast-to-gimple.c (gloog): Do not call
 279         sese_reset_aux_in_loops.
 280         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 281         extra argument for domains.  Do not use loop->aux.
 282         (build_scop_iteration_domain): Initialize and free domains, pass it
 283         to build_loop_iteration_domains and extract the information from
 284         domains.  Do not use loop->aux.
 285         * sese.c (sese_reset_aux_in_loops): Removed.
 286         * sese.h (sese_reset_aux_in_loops): Removed.
 287
 288 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 289
 290         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 291         (dependency_in_loop_p): Same.
 292         (translate_clast): Do not use loop->aux.  Initialize
 293         loop->can_be_parallel.
 294         (mark_loops_parallel): Removed.
 295         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 296         * graphite.c (free_aux_in_new_loops): Removed.
 297         (graphite_finalize): Do not call free_aux_in_new_loops.
 298         (graphite_transform_loops): Do not call mark_loops_parallel.
 299
 300 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 301
 302         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 303         (translate_clast): Pass an extra parameter LEVEL.
 304         Call get_scattering_level.
 305         * graphite-clast-to-gimple.h (get_scattering_level): New.
 306
 307 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 308
 309         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 310         * cfgloop.h (struct loop): New field single_iv.
 311
 312         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 313         loop->aux anymore: use loop->single_iv.
 314         (graphite_loop_normal_form): Moved...
 315         (build_graphite_loop_normal_form): Removed.
 316         (gloog): Do not call build_graphite_loop_normal_form.
 317         (free_aux_in_new_loops): Moved...
 318         (mark_loops_parallel): Restructure.
 319         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 320         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 321         (scop_canonicalize_loops): New.
 322         (build_poly_scop): Call scop_canonicalize_loops.
 323         * graphite.c (free_aux_in_new_loops): ...here.
 324
 325 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 326
 327         * g++.dg/graphite/graphite.exp: Add the same rules as in
 328         gcc.dg/graphite/graphite.exp.
 329
 330 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 331
 332         * g++.dg/graphite/id-1.C: New.
 333
 334 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 335
 336         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 337         argument base_name.
 338         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 339         (rewrite_phi_out_of_ssa): Same.
 340         (rewrite_cross_bb_scalar_deps): Same.
 341         (translate_scalar_reduction_to_array): Same.
 342
 343 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 344
 345         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 346         dump_alias_graphs.
 347
 348 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 351         (build_scop_drs): Call dump_alias_graphs.
 352
 353 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 354
 355         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 356         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 357         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 358         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 359         * graphite-poly.h (free_lst): New.
 360         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 361         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 362
 363 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 364
 365         * graphite-poly.h (struct scop): Add a field saved_schedule.
 366         (SCOP_SAVED_SCHEDULE): New.
 367         (store_lst_schedule): New.
 368         (restore_lst_schedule): New.
 369         (store_scattering): Call store_lst_schedule.
 370         (restore_scattering): Call restore_lst_schedule.
 371
 372 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 373
 374         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 375         (pdr_add_alias_set): Same.
 376         (build_poly_dr): Same.
 377         (build_alias_set_optimal_p): Same.
 378         (build_base_obj_set_for_drs): Same.  Do not store the result of
 379         graphds_dfs.
 380
 381 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 382
 383         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 384         all_components_are_cliques to 1.
 385
 386 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 387
 388         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 389         the new structure.
 390         (pdr_add_alias_set): Update retrieving alias_set_num.
 391         (build_poly_dr): Update retrieving dr_base_object_set.
 392         (partition_drs_to_sets): Remove.
 393         (build_alias_set_optimal_p): New.
 394         (build_alias_set_for_drs): Rename.
 395         (build_scop_drs): Update.
 396         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 397         (ALIAS_SET_INDEX): Remove.
 398         (BASE_OBJECT_SET_INDEX): Remove.
 399
 400 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 401
 402         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 403
 404 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 405
 406         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 407         loop upper bounds for 1-element arrays at end of structures.
 408         * tree-flow.h (array_at_struct_end_p): Declared.
 409         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 410
 411 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * g++.dg/graphite/pr41305.C: New.
 414
 415 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 416
 417         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 418         construction of parameter constraints from loop iteration analysis.
 419         * gcc.dg/graphite/run-id-2.c: New test.
 420
 421 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 422
 423         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 424         and new_cstr.
 425
 426 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 427
 428         * graphite-dependences.c (dependence_polyhedron_1): Remove
 429         unused gdim dimensions from the DDR polyhedron.
 430
 431 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 432
 433         * graphite-dependences.c (pddr_transformed_scattering): New.
 434         (dot_original_deps_stmt_1): New.
 435         (dot_transformed_deps_stmt_1): New.
 436         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 437         dot_transformed_deps_stmt_1.
 438         (dot_original_deps): New.
 439         (dot_transformed_deps): New.
 440         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 441
 442 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 443
 444         * graphite-dependences.c (reduction_dr_1): Remove wrong
 445         assert: reduction BBs can have multiple reduction writes
 446         to memory.  interchange-3.f90 is an example.
 447
 448 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * gfortran.dg/graphite/interchange-3.f90: New.
 451
 452 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 455
 456 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 457
 458         * graphite-dependences.c (dependence_polyhedron_1): Add the
 459         context to the dependence polyhedron.
 460
 461 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 462
 463         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 464         PBB_PDR_DUPLICATES_REMOVED.
 465         (new_poly_bb): Same.
 466
 467 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 468
 469         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 470         SCOP_CONTEXT.
 471         (build_loop_iteration_domains): Extract bounds on parameters
 472         based on the data size.
 473         (build_scop_context): Do not initialize SCOP_CONTEXT;
 474         add new constraints.
 475
 476 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 477
 478         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 479         * graphite-ppl.h (graphite-ppl.h): Declared.
 480
 481 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 482
 483         * graphite-ppl.c (ppl_print_linear_expr): New.
 484         (debug_ppl_linear_expr): New.
 485         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 486         (debug_ppl_linear_expr): Declared.
 487
 488 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 489
 490         * graphite-interchange.c: Fix comments.
 491         * gcc.dg/graphite/block-1.c: Fix comments.
 492
 493 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 494
 495         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 496         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 497
 498 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         Reapply the patch from Alexander Monakov that disappeared during
 501         the last merges from trunk.
 502
 503         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 504
 505         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 506         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 507
 508 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 509
 510         * graphite-interchange.c (memory_stride_in_loop): The depth
 511         argument corresponds to a dynamic time dimension, so use
 512         psct_dynamic_dim to refer to the transformed scattering dimension.
 513
 514 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 515
 516         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 517
 518 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 519
 520         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 521         root of the LST.
 522         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 523         the root of the LST.
 524         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 525         fake loop.
 526         (print_lst): Print the root of LST in a different format.
 527         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 528
 529 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 530
 531         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 532
 533 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * doc/passes.texi: Document the Graphite infrastructure.
 536
 537 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 538
 539         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 540         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 541         and check the SSA representation.
 542
 543         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 544
 545 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 546
 547         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 548
 549 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         * gcc.dg/graphite/interchange-11.c: New.
 552
 553 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 554
 555         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 556
 557 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 560         Add -fno-loop-strip-mine and -fno-loop-interchange.
 561         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 562         -fno-loop-strip-mine.
 563         * gfortran.dg/graphite/graphite.exp: Same.
 564
 565 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 568         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 569         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 570         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 571         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 572         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 573         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 574         DEFAULT_FLAGS_GRAPHITE_SCOP.
 575         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 576         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 577
 578 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 579
 580         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 581
 582 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 583             Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         * graphite-interchange.c (build_linearized_memory_access): Pass an
 586         offset as parameter.
 587         (memory_stride_in_loop): Include transform scattering in the
 588         access functions to be able to querry the strides in the
 589         transformed loops.
 590         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 591         not the psct_iterator_dim.
 592
 593 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 596         (lst_do_strip_mine_loop): New.
 597         (lst_do_strip_mine): New.
 598         (scop_do_strip_mine): Call lst_do_strip_mine.
 599         * graphite-poly.h (lst_add_loop_under_loop): New.
 600         (lst_find_first_pbb): New.
 601
 602 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-poly.c (loop_to_lst): Fix LST creation.
 605
 606 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 607
 608         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 609         sizeof(unsigned long) to make it run on 32bit systems.
 610
 611 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 612
 613         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 614         SEGFAULT on 32bit.
 615
 616 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 617
 618         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 619         Comment.
 620         (write_alias_graph_to_ascii_dot): New.
 621         (write_alias_graph_to_ascii_ecc): Ditto.
 622         (partition_drs_to_sets): Add testing of optimality of current method
 623         which assigns alias numbers according to DFS Comopnent number.  used
 624         as heuristic for the upcoming ECC algorithm.
 625         (build_scop_drs): Write to file also with the ecc and dot format.
 626
 627 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * gfortran.dg/graphite/interchange-1.f: XFail.
 630
 631 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         * graphite.c (graphite_initialize): Do not handle functions with
 634         more than 100 basic blocks.
 635
 636 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         * graphite-blocking.c (pbb_do_strip_mine): Use
 639         PARAM_LOOP_BLOCK_TILE_SIZE.
 640
 641 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 642
 643         * graphite-poly.c (dot_lst_1): New.
 644         (dot_lst): New.
 645         * graphite-poly.h (dot_lst): Declared.
 646
 647 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * graphite-dependences.c (dot_deps_stmt_1): New.
 650         (dot_deps_stmt): New.
 651         * graphite-dependences.h (dot_deps_stmt): Declared.
 652
 653 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 654
 655         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 656         not replace cross BB scalar dependences ending on PHI nodes.
 657         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 658
 659 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         * graphite-poly.c (apply_poly_transforms): Implement the high
 662         level driver for flag_loop_block.
 663         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 664         flag_loop_block.
 665
 666         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 667         -floop-block.
 668         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 669         Add -floop-block.
 670
 671 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * graphite-poly.h (lst_find_pbb): New.
 674         (find_lst_loop): New.
 675
 676 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 679         * graphite-poly.h (struct scop): Remove dep_graph field.
 680         (SCOP_DEP_GRAPH): Removed.
 681
 682 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * graphite-poly.h (copy_lst): Do full copy of LST.
 685
 686 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 687
 688         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 689         when the loop stride is zero.
 690
 691         * gcc.dg/graphite/id-16.c: New.
 692
 693 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 694
 695         * graphite-dependences.c (reduction_dr_1): New.
 696         (reduction_dr_p): New.
 697         (graphite_legal_transform_dr): Call reduction_dr_p.
 698         (reduction_ddr): Renamed reduction_ddr_p.
 699         * graphite-poly.h (same_pdr_p): New.
 700         (number_of_write_pdrs): New.
 701         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 702         (split_reduction_stmt): Do not split reduction statements
 703         when there are no writes to memory.
 704         (translate_scalar_reduction_to_array_for_stmt): Insert the
 705         memory reduction statement just after the scalar reduction statement.
 706
 707         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 708         Un-XFAIL-ed.
 709         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 710         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 711
 712 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 713
 714         * graphite-interchange.c (lst_apply_interchange): New.
 715         (lst_interchange_profitable_p): New.
 716         (lst_try_interchange_loops): New.
 717         (lst_try_interchange): New.
 718         (lst_do_interchange): New.
 719         (pbb_do_interchange): Removed.
 720         (scop_do_interchange): Call lst_do_interchange.
 721
 722 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 723
 724         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 725         SCOP_TRANSFORMED_SCHEDULE.
 726         (loop_to_lst): New.
 727         (scop_to_lst): New.
 728         (print_lst): New.
 729         (debug_lst): New.
 730         * graphite-poly.h (lst_p): New.
 731         (struct lst): New.
 732         (LST_LOOP_P): New.
 733         (LST_LOOP_FATHER): New.
 734         (LST_PBB): New.
 735         (LST_SEQ): New.
 736         (scop_to_lst): Declared.
 737         (print_lst): Declared.
 738         (debug_lst): Declared.
 739         (new_lst_loop): New.
 740         (new_lst_stmt): New.
 741         (copy_lst): New.
 742         (lst_depth): New.
 743         (lst_dewey_number): New.
 744         (struct scop): Add original_schedule and transformed_schedule fields.
 745         (SCOP_ORIGINAL_SCHEDULE): New.
 746         (SCOP_TRANSFORMED_SCHEDULE): New.
 747         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 748
 749 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 750
 751         * graphite-dependences.c (reduction_ddr): New.
 752         (graphite_legal_transform_bb): Call reduction_ddr.
 753         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 754         Initialize PBB_IS_REDUCTION.
 755         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 756         (PBB_IS_REDUCTION): New.
 757         (new_poly_bb): Update declaration.
 758         * graphite-scop-detection.h (build_scop_bbs): Removed.
 759         (nb_reductions_in_loop): Removed.
 760         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 761         parameter for reductions.
 762         (try_generate_gimple_bb): Update call to new_poly_bb.
 763         (build_scop_bbs_1): Same.
 764         (build_scop_bbs): Same.
 765         (gsi_for_phi_node): New.
 766         (scalar_close_phi_node_p): Remove gcc_assert.
 767         (split_reduction_stmt): New.
 768         (is_reduction_operation_p): New.
 769         (phi_contains_arg): New.
 770         (follow_ssa_with_commutative_ops): New.
 771         (detect_commutative_reduction_arg): New.
 772         (detect_commutative_reduction_assign): New.
 773         (follow_inital_value_to_phi): New.
 774         (edge_initial_value_for_loop_phi): New.
 775         (initial_value_for_loop_phi): New.
 776         (detect_commutative_reduction): New.
 777         (translate_scalar_reduction_to_array_for_stmt): New.
 778         (insert_copyout): New.
 779         (insert_copyin): New.
 780         (translate_scalar_reduction_to_array): New.
 781         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 782         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 783         (rewrite_commutative_reductions_out_of_ssa): New.
 784         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 785         * sese.h (split_region_for_bb): New.
 786
 787         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 788         * gcc.dg/graphite/interchange-1.c: Fix format.
 789         * gcc.dg/graphite/interchange-10.c: New.
 790
 791 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 792
 793         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 794         buggy assert.
 795
 796 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 797
 798         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 799         (rewrite_cross_bb_scalar_dependence): New.
 800         (rewrite_cross_bb_scalar_deps): New.
 801         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 802         Call rewrite_cross_bb_scalar_deps.
 803
 804 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 805
 806         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 807         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 808         gsi_for_stmt.
 809
 810 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 811
 812         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 813         * graphite-interchange.c (pbb_do_interchange): Same.
 814         * graphite-poly.c (print_scattering_function): Same.
 815         (debug_pdrs): Same.
 816         * graphite-poly.h (pbb_loop): New.
 817         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 818
 819 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 820
 821         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 822
 823 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 826         so don't pass a pointer to it.
 827         (build_alias_set_for_drs): Same.
 828         (build_base_obj_set_for_drs): Same.
 829         (build_scop_drs): Same.
 830
 831 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 832
 833         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 834         the alias graph of data references.
 835
 836 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 837
 838         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 839         (build_scop_drs): When debugging, write the alias graph to file,
 840         otherwise, should be disabled.
 841
 842 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 843
 844         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 845         (is_simple_operand): Remove call to stmt_simple_memref_p.
 846         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 847
 848 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 849
 850         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 851         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 852         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 853         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 854         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 855
 856 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 857
 858         PR middle-end/41118
 859         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 860         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 861         (graphite_carried_dependence_level_k): Ditto.
 862         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 863         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 864         (new_poly_dr): Adjust declaration.
 865         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 866         (free_gimple_bb): Added free_data_refs_aux.
 867         (build_poly_dr): Add dr_base_object_set.
 868         (partition_drs_to_sets): New.
 869         (dr_same_base_object_p): New.
 870         (build_alias_set_for_drs): New.
 871         (build_base_object_set_for_drs): New.
 872         (build_scop_drs): Add build_base_obj_set_for_drs.
 873         * graphite-sese-to-poly.h: Added #define for alias set number index and
 874         base object set index.
 875         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 876         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 877
 878 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 879
 880         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 881         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 882
 883 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 884
 885         * graphite-sese-to-poly.c (struct irp_data): Removed.
 886         (idx_record_params): Removed.
 887         (find_params_in_bb): Scan for parameters the access functions; don't
 888         parse the tree representation.
 889
 890 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 891
 892         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 893         passes at -O1 and below.
 894
 895 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 896
 897         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 898         tree-scalar-evolution.h, and then tree-data-ref.h.
 899         * graphite-clast-to-gimple.c: Same.
 900         * graphite-dependences.c: Same.
 901         * graphite-interchange.c: Same.
 902         * graphite-poly.c: Same.
 903         * graphite-scop-detection.c: Same.
 904         * graphite-sese-to-poly.c: Same.
 905         * graphite.c: Same.
 906         * lambda-code.c: Same.
 907         * matrix-reorg.c: Same.
 908         * tree-data-ref.c: Same.
 909         * tree-if-conv.c: Same.
 910         * tree-loop-distribu: Same.: Same.
 911         * tree-loop-linear.c: Same.
 912         * tree-parloops.c: Same.
 913         * tree-predcom.c: Same.
 914         * tree-vect-patterns.c: Same.
 915
 916 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         Partially revert the previous patch, except the following.
 919         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 920         as parameters the operands of the not expression.
 921
 922 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 925         Do not call analyze_scalar_evolution on assignments.
 926         (instantiate_scev_phi): Call analyze_scalar_evolution.
 927         (instantiate_scev_name): Call instantiate_scev_assign and
 928         instantiate_scev_phi.
 929         (instantiate_scev_not): Adapted to pass as parameters the operands
 930         of the not expression.
 931
 932 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 933
 934         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 935         to pass as parameters the operands of the binary expression.
 936
 937 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 938
 939         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 940         instantiate_scev_not.  Handle NEGATE_EXPR.
 941         (instantiate_scev_r): Handle NEGATE_EXPR.
 942
 943 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 944
 945         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 946         instantiate_scev_r.
 947         (instantiate_scev_r): Move code in instantiate_scev_2
 948         and instantiate_scev_1.
 949
 950 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 951
 952         * tree-scalar-evolution.c (instantiate_scev_3): New.
 953         (instantiate_scev_1): Move code in instantiate_scev_3.
 954
 955 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 956
 957         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 958         (instantiate_scev_1): Move code in instantiate_scev_poly.
 959
 960 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 961
 962         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 963         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 964
 965 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 966
 967         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 968         (instantiate_scev_1): Move code in instantiate_scev_convert.
 969
 970 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 973         (instantiate_scev_1): Move code in instantiate_scev_binary.
 974
 975 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 976
 977         * tree-scalar-evolution.c (instantiate_scev_name): New.
 978         (instantiate_scev_1): Move code in instantiate_scev_name.
 979
 980 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 981
 982         * Merge from mainline (150992:151171).
 983
 984 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * graphite-dependences.c (graphite_legal_transform_bb): Call
 987         pbb_remove_duplicate_pdrs.
 988         * graphite-poly.c (can_collapse_pdr): Removed.
 989         (pdr_find_duplicate): Removed.
 990         (can_collapse_pdrs): New.
 991         (pbb_remove_duplicate_pdrs): New.
 992         (new_poly_dr): Do not look for duplicates.
 993         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 994         (PBB_PDR_DUPLICATES_REMOVED): New.
 995         (pbb_remove_duplicate_pdrs): Declared.
 996
 997 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 998
 999         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1000         the strides by multiplying by PDR_NB_REFS.
1001         * graphite-poly.c (can_collapse_pdr): New.
1002         (pdr_find_duplicate): New.
1003         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1004         Initialize PDR_NB_REFS.
1005         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1006         (PDR_NB_REFS): New.
1007         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1008
1009 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1010
1011         Revert one of the previous commits:
1012         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1013         the computation of symmetric data dependence relations.
1014         (dependency_between_pbbs_p): Same.
1015
1016 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1017
1018         PR middle-end/40965
1019         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1020         any transform.
1021
1022 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * graphite-dependences.c (pddr_original_scattering): Return NULL
1025         for read-read dependence relations.
1026         * graphite-poly.h (enum poly_dr_type): Fix comment.
1027         (pdr_read_p): New.
1028         (pdr_write_p): New.
1029         (pdr_may_write_p): New.
1030
1031 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1032
1033         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1034         (struct poly_dr): Same.
1035         (new_poly_dr): Same.
1036         * graphite-poly.c (new_poly_dr): Same.
1037
1038 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1039             Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1042         pbb_strip_mine_time_depth.  Changed the implementation so that
1043         transformation is expressed as a transformation on
1044         time (scatttering) dimensions.  Also, ensures that the 2d+1
1045         scheduling format is preserved.
1046         (pbb_strip_mine_profitable_p): Profitability is based on the
1047         iteration number of a given time (scattering) dimension,
1048         and not on a original loop depth dimension.
1049         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1050         (pbb_do_strip_mine): Call psct_dynamic_dim.
1051         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1052         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1053         (pbb_nb_dynamic_scattering_transform): New.
1054         (psct_dynamic_dim): New.
1055
1056 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1057
1058         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1059         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1060         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1061         * graphite-interchange.c (build_linearized_memory_access): Same.
1062         (memory_stride_in_loop): Same.
1063
1064 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite-dependences.c (pddr_original_scattering): New.
1067         (graphite_legal_transform_dr): Call pddr_original_scattering.
1068         (dot_deps_1): New.
1069         (dot_deps): New.
1070         * graphite-dependences.h (dot_deps): Declared.
1071         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1072         (print_pdr): Print PDR_ID.
1073         * graphite-poly.h (struct poly_dr): Add field id.
1074         (PDR_ID): New.
1075         (pbb_index): New.
1076         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1077
1078 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1081         not delete the original dependence relation.
1082
1083 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1086         the computation of symmetric data dependence relations.
1087         (dependency_between_pbbs_p): Same.
1088
1089 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1092         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1093         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1094         (free_poly_ddr): New.
1095         (pddr_is_empty): New.
1096         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1097         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1098         Remove fprintfs.
1099         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1100         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1101         * graphite-dependences.h (enum poly_dependence_kind): New.
1102         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1103         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1104         (PDRP_SINK): Renamed PDDR_SINK.
1105         (PDRP_DDP): Renamed PDDR_DDP.
1106         (PDDR_KIND): New.
1107         (free_poly_ddr): Declared.
1108         * graphite-poly.c (new_scop): Use the new hash function names.
1109         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1110         into original_pddrs.
1111         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1112
1113 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1114
1115         * Merge from mainline (150764:150992).
1116
1117 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1120         bounds with LT_EXPR to make niter analysis more precise on code
1121         generated by Graphite.
1122
1123 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1124
1125         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1126         (graphite_legal_transform_bb): Same.
1127         (poly_drs_may_alias_p): Same.
1128
1129 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1130
1131         PR middle-end/40981
1132         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1133         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1134
1135 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-poly.c (print_pbb): Print PBB index.
1138
1139 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * Merge from mainline (r150672:150764).
1142
1143 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1144
1145         * graphite-interchange.c (ppl_max_for_le): Moved...
1146         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1147         * graphite-ppl.c (ppl_max_for_le): ... here.
1148         * graphite-ppl.h (ppl_max_for_le): Declared.
1149
1150 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1151
1152         * Merge from mainline (r150372:150672).
1153
1154 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         PR middle-end/40980
1157         * sese.c (convert_for_phi_arg): New.
1158         (add_guard_exit_phis): Use convert_for_phi_arg.
1159
1160         * testsuite/gfortran.dg/graphite/id-17.f: New.
1161
1162 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1163
1164         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1165         unknown subscript upper bounds.
1166
1167         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1168
1169 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1170             Pranav Garg  <pranav.garg2107@gmail.com>
1171
1172         * graphite-interchange.c (gather_access_strides): Removed.
1173         (ppl_max_for_le): New.
1174         (build_linearized_memory_access): New.
1175         (memory_stride_in_loop): New.
1176         (pbb_interchange_profitable_p): Reimplemented.
1177         * graphite-ppl.h (ppl_new_id_map): New.
1178         (ppl_interchange): New.
1179
1180         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1181
1182 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-interchange.c (compute_subscript): Removed.
1185         (compute_array_size_cstr): Removed.
1186         (compute_array_size_poly): Removed.
1187         (compute_array_size): Removed.
1188         (gather_access_strides_poly): Removed.
1189         (gather_access_strides): Empty.
1190
1191 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         * graphite-dependences.c (dependence_polyhedron_1): Replace
1194         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1195         (graphite_legal_transform_dr): Same.
1196         (graphite_carried_dependence_level_k): Same.
1197         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1198         Initialize PDR_NB_SUBSCRIPTS.
1199         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1200         PDR_NB_SUBSCRIPTS.
1201         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1202         (PDR_NB_SUBSCRIPTS): New.
1203         (pdr_nb_subscripts): Removed.
1204         (pdr_dim): Simplified.
1205         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1206         with PDR_NB_SUBSCRIPTS.
1207
1208 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         * graphite-interchange.c (compute_array_size): Remove use of
1211         PDR_DATA_CONTAINER.
1212         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1213         Do not initialize PDR_DATA_CONTAINER.
1214         (print_pdr): Do not print PDR_DATA_CONTAINER.
1215         * graphite-poly.h (struct poly_dr): Remove data_container field.
1216         (PDR_DATA_CONTAINER): Removed.
1217         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1218         PDR_DATA_CONTAINER.
1219         (build_poly_dr): Same.
1220
1221 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1222
1223         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1224
1225 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1226             Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1229         copy of the dependence polyhedron.  Free the temporary objects.
1230         (graphite_carried_dependence_level_k): Free unused objects before
1231         returning.
1232
1233         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1234         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1235         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1236         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1237         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1238
1239 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1242         Early return without analyzing the data dependences if no
1243         transform has been done.  Call restore_scattering if the transform
1244         is not legal.
1245         (graphite-interchange.c): Same.
1246         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1247         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1248         (apply_poly_transforms): Do not gcc_assert that
1249         the transform is legal.
1250         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1251         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1252         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1253         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1254         * graphite-poly.h (struct poly_scattering): New.
1255         (struct poly_bb): Add original, transformed, and saved fields.
1256         Remove transformed_scattering, original_scattering, nb_local_variables,
1257         and nb_scattering_transform fields.
1258         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1259         (poly_scattering_new): New.
1260         (poly_scattering_free): New.
1261         (poly_scattering_copy): New.
1262         (store_scattering_pbb): New.
1263         (store_scattering): New.
1264         (restore_scattering_pbb): New.
1265         (restore_scattering): New.
1266         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1267         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1268
1269 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1272         (print_scop): Same.
1273
1274 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * Makefile.in (graphite.o): Depends on PREDICT_H.
1277         * graphite.c: Include predict.h.
1278         (graphite_finalize): Call tree_estimate_probability.
1279         * predict.c (predict_loops): Do not call scev_initialize and
1280         scev_finalize.
1281         (tree_estimate_probability_bb): New.
1282         (tree_estimate_probability): Do not initialize loops: move that
1283         code to the driver.  Call tree_estimate_probability_bb.
1284         (tree_estimate_probability_driver): New.
1285         (pass_profile): Use tree_estimate_probability_driver.
1286         * predict.h (tree_estimate_probability): Declared.
1287
1288 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1291         * graphite-dependences.c (graphite_legal_transform): Add time to
1292         TV_GRAPHITE_DATA_DEPS.
1293         (dependency_between_pbbs_p): Same.
1294         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1295
1296 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         * Merge from mainline (r149952:150372).
1299
1300 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1303         * graphite-blocking.c: Same.
1304         * graphite-clast-to-gimple.c: Same.
1305         * graphite-dependences.c: Same.
1306         * graphite-poly.c: Same.
1307         * graphite-poly.h: Same.
1308         * graphite-ppl.c: Same.
1309         * graphite-scop-detection.c: Same.
1310         * graphite-sese-to-poly.c: Same.
1311         * graphite.c: Same.
1312
1313 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1314
1315         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1316         (remove_simple_copy_phi): New.
1317         (remove_invariant_phi): New.
1318         (simple_copy_phi_p): New.
1319         (reduction_phi_p): New.
1320         (gsi_for_ssa_name_def): New.
1321         (insert_out_of_ssa_copy): New.
1322         (insert_out_of_ssa_copy_on_edge): New.
1323         (create_zero_dim_array): New.
1324         (scalar_close_phi_node_p): New.
1325         (rewrite_close_phi_out_of_ssa): New.
1326         (rewrite_phi_out_of_ssa): New.
1327         (rewrite_reductions_out_of_ssa): New.
1328         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1329
1330         * testsuite/gcc.dg/graphite/id-11.c: New.
1331         * testsuite/gcc.dg/graphite/id-15.c: New.
1332         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1333         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1334         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1335         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1336         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1337         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1338         * testsuite/gfortran.dg/graphite/id-13.f: New.
1339         * testsuite/gfortran.dg/graphite/id-5.f: New.
1340
1341 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1342
1343         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1344         check that nb_reductions_in_loop is zero.
1345         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1346         reduction phi nodes.
1347         (nb_reductions_in_loop): Removed.
1348         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1349         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1350         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1351         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1352         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1353
1354 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1355
1356         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1357         statements that have an empty iteration domain.
1358         * testsuite/gfortran.dg/graphite/id-16.f: New.
1359
1360 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1361
1362         * tree-scalar-evolution.c (instantiate_scev_1): Return
1363         chrec_dont_know when the result is not above instantiate_below.
1364         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1365         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1366         the tree has a known scalar evolution.
1367         * testsuite/gfortran.dg/graphite/id-14.f: New.
1368         * testsuite/gfortran.dg/graphite/id-15.f: New.
1369
1370 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1371
1372         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1373         insert_gsi.
1374         (rename_variables): Keep inserting renames after the ones already
1375         inserted.
1376
1377 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1378
1379         * graphite-sese-to-poly.c (compare_bb_depths): New.
1380         (graphite_sort_dominated_info): New.
1381         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1382         (build_scop_scattering): Fix comment.
1383
1384 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * graphite.c (graphite_finalize): Call print_loops instead of
1387         dump_function_to_file.
1388         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1389         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1390         loops generated in the graphite output file.
1391         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1392         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1393         * testsuite/gfortran.dg/graphite/id-12.f: New.
1394
1395 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1396
1397         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1398         Remove 2 XFAIL.
1399
1400 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1401             Tobias Grosser  <grosser@fim.uni-passau.de>
1402
1403         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1404         alias set number build alias in ACCESSES polyhedron.
1405         (build_alias_set_for_drs): New.
1406         (build_pbb_drs): Added build_alias_set_for_drs.
1407         * graphite-dependences.c (poly_drs_may_alias_p): New.
1408         (graphite_carried_dependence_level_k): Check alias information
1409         before building polyhedron.
1410
1411 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1412
1413         * Makefile.in (lambda-code.o): Fix formatting.
1414
1415 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1416
1417         * Merge from mainline (r149350-149952)
1418
1419 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1420
1421         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1422         before interchange to prepare for loop blocking.
1423
1424 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1425
1426         * graphite-poly.c (apply_poly_transforms): Add checks after every
1427         transformation.
1428         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1429         done in apply_poly_transforms.
1430
1431 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1432
1433         * graphite-dependences.c (build_lexicographically_gt_constraint):
1434         Replace RES parameter with *RES.
1435         (dependence_polyhedron_1): Pass an address of the parameter RES
1436         instead of value of RES.
1437
1438 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite.c (graphite_finalize): Fix comment.
1441         (graphite_transform_loops): Reset scev info after code generation
1442         of each scop.
1443
1444 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * graphite.c (graphite_finalize): Call scev_reset.
1447
1448 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1449
1450         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1451         GBB_CLOOG_IV_TYPES hash table twice.
1452         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1453         (add_condition_to_domain): Clear GMP values.
1454
1455 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1456
1457         * graphite-dependences.c: Fix formatting.
1458         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1459         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1460         * graphite-sese-to-poly.c: Fix formatting.
1461         * graphite.c (graphite_transform_loops): Create the hash table
1462         after the early return.
1463
1464 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * testsuite/gcc.dg/graphite/id-14.c: New.
1467         * testsuite/gcc.dg/graphite/pr40157.c: New.
1468         * testsuite/gfortran.dg/graphite/id-11.f: New.
1469
1470 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1473         (build_poly_scop): Return false when there are no pbbs within
1474         loops to avoid to pass to cloog scops with no loops.
1475
1476 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1479         useless test "i % 2".
1480         (build_pbb_scattering_polyhedrons): Fix formatting.
1481         (build_poly_dr): Same.
1482         * graphite.c (graphite_transform_loops): Restructure.
1483
1484 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1485
1486         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1487         reduction_list parameter.
1488         (rewrite_all_phi_nodes_with_iv): Same.
1489         (canonicalize_loop_ivs): Same.
1490         * tree-parloops.c (struct brli): Removed.
1491         (build_reduction_list_info): Removed.
1492         (build_new_reduction): New.
1493         (analyze_reduction_list): Removed.
1494         (gather_scalar_reductions): Find reductions instead of phi
1495         nodes that can't be canonicalized.
1496         (try_create_reduction_list): Remove reduction_list parameter.
1497         (gen_parallel_loop): Same.
1498         (parallelize_loops): Remove analyze_reductions variable,
1499         initialization and free.
1500         Change reduction_list htab initialization to reduction_info
1501         elements instead of ssa names.
1502         Call try_create_reduction_list and gen_parallel_loop without
1503         analyzed_reduction argument.
1504         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1505         canonicalize_loop_ivs with one less argument.
1506         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1507
1508 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1509
1510         * graphite-dependences.c (new_poly_dr_pair): New.
1511         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1512         (new_poly_dr_pair): New.
1513         (eq_poly_dr_pair_p): New.
1514         (hash_poly_dr_pair_p): New.
1515         * graphite-dependences.h (struct poly_dr_pair): New.
1516         (eq_poly_dr_pair_p): Declared.
1517         (hash_poly_dr_pair_p): Declared.
1518         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1519         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1520         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1521         * Makefile.in (graphite-poly.o): Add dependence on
1522         graphite-dependences.h.
1523
1524 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1527         polynomials of degree > 1 pass to Graphite.
1528         * tree-chrec.c (scev_is_linear_expression): Call
1529         evolution_function_is_affine_multivariate_p.
1530         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1531
1532 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1535         Instantiate scevs varying in outer loops.
1536         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1537
1538 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1539
1540         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1541         redundant constraint.
1542
1543 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1546         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1547         based on the file names as in the C testsuite.
1548         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1549         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1550         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1551         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1552         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1553         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1554         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1555         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1556         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1557         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1558         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1559         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1560         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1561
1562 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * sese.c (expand_scalar_variables_call): New.
1565         (expand_scalar_variables_ssa_name): Handle calls in expander.
1566
1567 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1568
1569         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1570         Expect to see the pattern twice.
1571         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1572         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1573         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1574
1575 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * testsuite/gcc.dg/graphite/id-10.c: New.
1578         * testsuite/gcc.dg/graphite/id-12.c: New.
1579         * testsuite/gfortran.dg/graphite/id-7.f: New.
1580         * testsuite/gfortran.dg/graphite/id-8.f: New.
1581
1582 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1585         zero.
1586
1587 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1590
1591 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1592
1593         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1594
1595 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1596
1597         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1598         building PDR subscripts.
1599
1600 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1603         computation of array sizes.
1604
1605 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1606
1607         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1608
1609 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1610
1611         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1612         build_pairwise_constraint, dr_equality_constraints,
1613         build_pairwise_scheduling_equality,
1614         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1615         build_lexicographically_gt_constraint, dependence_polyhedron,
1616         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1617         Move from NNC_Polyhedron to C_Polyhedron.
1618         * graphite-interchange.c (compute_array_size_poly,
1619         gather_access_strides): Dito.
1620         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1621         free_scop, pbb_number_of_iterations): Dito.
1622         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1623         pbb_dim_iter_domain, struct scop): Dito.
1624         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1625         new_Cloog_Domain_from_ppl_Polyhedron,
1626         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1627         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1628         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1629         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1630         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1631         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1632         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1633         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1634         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1635         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1636         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1637         build_scop_iteration_domain, build_poly_dr): Dito
1638
1639 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1642         run-id-*.c files.
1643         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1644
1645 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1646
1647         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1648         positivity constraint on the symbolic number of iterations.
1649
1650 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1651
1652         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1653
1654 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1655             Tobias Grosser  <grosser@fim.uni-passau.de>
1656
1657         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1658         (build_cloog_prog): Directly use SCOP_CONTEXT.
1659         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1660         (free_scop): Free SCOP_CONTEXT.
1661         (print_scop_context): New.
1662         (print_scop): Call print_scop_context.
1663         (debug_scop_context): New.
1664         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1665         (struct scop): Added field context.
1666         (SCOP_CONTEXT): New.
1667         * graphite-sese-to-poly.c (add_param_constraints): New.
1668         (build_scop_context): New.
1669         (build_poly_scop): Call build_scop_context.
1670
1671 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1674         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1675         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1676         * graphite-ppl.h: Include double-int.h and tree.h.
1677         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1678         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1679         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1680         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1681
1682 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1683
1684         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1685         POINTER_PLUS_EXPR for pointer types.
1686         (clast_to_gcc_expression): Same.
1687
1688 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * graphite-poly.c (print_scattering_function): Early return when
1691         PBB_TRANSFORMED_SCATTERING is not initialized.
1692         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1693
1694 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1697         to fix bootstrap.
1698
1699 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1700
1701         * tree-parloops.c (analyze_reduction_list): Change return
1702         value to void.
1703         (try_create_reduction_list): Move the call to
1704         analyze_reduction_list to the beginining.
1705         Call reduction_phi with analyzed_reductions as argument
1706         instead of reduction_list.
1707
1708 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1709
1710         *  Merge from mainline (r148296:149346)
1711
1712 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1713
1714         * graphite-scop-detection.c (graphite_can_represent_init): New.
1715         (graphite_can_represent_scev): Call graphite_can_represent_init:
1716         check that the initial value does not contain multiplications of
1717         parameters.
1718         (stmt_has_simple_data_refs_p): New.
1719         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1720         (is_simple_operand): Fix formatting.
1721         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1722
1723 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * testsuite/gcc.dg/graphite/id-13.c: New.
1726         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1727         analyze_scalar_evolution, use scalar_evolution_in_region.
1728         (scan_tree_for_params_right_scev): Add extra assert.
1729         (parameter_index_in_region_1): Split from parameter_index_in_region.
1730         (idx_record_params): Use scalar_evolution_in_region.
1731         (find_params_in_bb): Same.
1732         (find_scop_parameters): Same.
1733         (build_loop_iteration_domains): Same.
1734         (create_linear_expr_from_tree): Same.
1735         * sese.c (scalar_evolution_in_region): New.
1736         * sese.h (scalar_evolution_in_region): Declared.
1737         (defined_in_sese_p): New.
1738         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1739         static anymore.
1740         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1741         Declared.
1742
1743 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1746         TREE_DATA_REF_H also implies SCEV_H.
1747
1748 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * graphite-poly.c (print_scop_params): New.
1751         (print_scop): Call print_scop_params.
1752         (debug_scop_params): New.
1753         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1754
1755 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1756
1757         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1758         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1759         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1760         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1761         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1762         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1763
1764 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1765
1766         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1767         for dependency checking part.
1768         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1769         tests for dependency checking.
1770         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1771         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1772         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1773         flag -fdump-tree-graphite-all for autopar testsuites.
1774
1775 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1776
1777         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1778         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1779         canonicalize_loop_ivs): Moved...
1780         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1781
1782 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         * tree-parloops.c (try_create_reduction_list): Pass an extra
1785         argument analyzed_reductions.  Call analyze_reduction_list.
1786         (gen_parallel_loop): Do not call analyze_reduction_list.
1787         (parallelize_loops): Init and finalize analyzed_reductions.
1788
1789 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1790
1791         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1792         Added flag -fno-loop-strip-mine for autopar testcase.
1793
1794 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1795
1796         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1797         transformed scattering dimension instead of unmatch orignal when
1798         calling dependence_polyhedron.
1799
1800 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1801
1802         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1803
1804 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1805
1806         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1807         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1808
1809 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1810
1811         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1812         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1813         * graphite-poly.c (pbb_number_of_iterations): New.
1814         * graphite-poly.h (pbb_number_of_iterations): Declared.
1815         (pbb_iterator_dim, pbb_parameter_dim): New.
1816
1817 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1820         last commit on type of lower and upper bound of loops.
1821
1822 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1823
1824         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1825         graphite-dependences.h.
1826         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1827         (mark_bb_with_pbb): New.
1828         (get_stmtfor_depth): New.
1829         (find_pbb_via_hash): New.
1830         (dependency_in_loop_p): New.
1831         (mark_loops_parallel): New.
1832         (free_aux_in_new_loops): New.
1833         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1834         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1835         innermost loop parallel without checking.
1836         (gloog): Add parameter BB_PBB_MAPPING.
1837         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1838         (gloog): Change declaration.
1839         (mark_loop_parallel): Make extern.
1840         (free_aux_in_new_loops): Declare.
1841         (bb_pbb_map_hash): New.
1842         (eq_bb_pbb_map): New.
1843         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1844         auto parallelization when flag_graphite_force_parallel is set.
1845         (graphite_finalize): Added free_aux_in_new_loops.
1846         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1847         the innermost loop that marked parallel.  Use
1848         flag_graphite_force_parallel instead of loop->can_be_parallel.
1849         (loop_parallel_p): Move inner most checking out of function.
1850
1851 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1854         type of lower and upper bound of loops signed long int.
1855
1856 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1859         expression outside the loop.
1860
1861 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1862
1863         * gcc.dg/graphite/interchange-8.c: New.
1864
1865 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1866
1867         * gcc.dg/graphite/interchange-0.c: XFailed.
1868         * gcc.dg/graphite/interchange-5.c: XFailed.
1869         * gcc.dg/graphite/interchange-6.c: XFailed.
1870
1871 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1872
1873         * graphite-interchange.c (compute_array_size_poly): The end of the
1874         recursion should return 1.
1875
1876 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1877
1878         * graphite-interchange.c (compute_array_size_cstr): Allow the
1879         subscript multiplier to be -1.
1880         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1881         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1882         data_container.  Initializes PDR_DATA_CONTAINER.
1883         (print_pdr_access_layout): New.
1884         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1885         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1886         data_container.
1887         (PDR_DATA_CONTAINER): New.
1888         (new_poly_dr): Update declaration.
1889         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1890         (build_poly_dr): Call pdr_add_data_dimensions.
1891
1892 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1893
1894         * graphite-poly.h (struct poly_dr): Fix comment.
1895         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1896         (pdr_add_memory_accesses): New.
1897         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1898
1899 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1900
1901         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1902         (print_pbb): Add call to print_pdrs.
1903         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1904
1905 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1906             Li Feng <nemokingdom@gmail.com>
1907
1908         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1909         (dependency_between_pbbs_p): New.
1910         (lexicographically_gt_p): Assure !empty_p before polyhedron
1911         intersection assign.
1912         (build_lexicographically_gt_constraint): Correct lexicographically
1913         judging.
1914         * graphite-dependences.h: New.
1915         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1916
1917 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1918
1919         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1920         (gloog): Print to dump_file the generated clast.
1921         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1922         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1923
1924 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * graphite-poly.c (extend_scattering): Increment
1927         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1928
1929 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1930
1931         * graphite-interchange.c (compute_array_size_poly): Added exit of
1932         recursion condition.  Continue iterating even after the first equality.
1933         (compute_array_size): Same.
1934
1935 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1936
1937         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1938         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1939         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1940         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1941         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1942
1943 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1944
1945         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1946         only when the use verifies is_gimple_reg.
1947
1948 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1951         Allocate scaldims after call to unify_scattering_dimensions.
1952
1953 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1954
1955         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1956
1957 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1958             Albert Cohen  <albert.cohen@inria.fr>
1959
1960         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1961         variables for the strip mining.
1962
1963 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1964             Pranav Garg  <pranav.garg2107@gmail.com>
1965
1966         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1967         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1968         (graphite-blocking.o): New rule.
1969         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1970         * graphite-blocking.c: New.
1971         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1972         flag_loop_strip_mine.
1973         (psct_scattering_dim_for_loop_depth): New.
1974         * graphite-poly.h (scop_do_strip_mine): Declared.
1975         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1976         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1977         flag_loop_strip_mine.
1978
1979 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1982         a GMP value and a PPL coefficient at each iteration of a loop.
1983
1984 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1985
1986         * graphite-dependences.c (dependence_polyhedron): Do not use
1987         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1988         pbb_nb_scattering_transform.
1989         (graphite_legal_transform_dr): Same.
1990         * graphite-poly.c (extend_scattering): Same.
1991         (unify_scattering_dimensions): Same.
1992         (print_scattering_function): Same.
1993         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1994         PBB_NB_LOCAL_VARIABLES.
1995         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1996         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1997         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1998         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1999         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2000         (pbb_nb_scattering_transform): New.
2001         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2002         (psco_scattering_dim): Add assert on parameters.
2003         (psct_scattering_dim): Same.
2004         (psct_scattering_dim_for_loop_depth): Declared.
2005         (psct_local_var_dim): New.
2006         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2007         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2008         correct layout, call pbb_nb_local_vars.
2009         (psct_add_local_variable, psct_add_scattering_dimension): New.
2010         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2011         Initialize PBB_NB_SCATTERING_TRANSFORM.
2012
2013 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2016         (set_coef): Renamed ppl_set_coef.
2017         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2018
2019 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2020
2021         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2022         test a boolean against 1.
2023         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2024         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2025         (pbb_do_interchange): Returns true when a transform has been performed.
2026         (scop_do_interchange): Same.
2027         * graphite-poly.c (apply_poly_transforms): Use the return value of
2028         scop_do_interchange.
2029         * graphite-poly.h (scop_do_interchange): Update declaration.
2030
2031 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2032
2033         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2034         after last use.
2035         * sese.c (sese_reset_aux_in_loops): New.
2036         * sese.h (sese_reset_aux_in_loops): New.
2037
2038 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2039
2040         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2041         multiplier and multiply the constant by the multiplier.
2042         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2043         (build_poly_dr): Do not use the multiplier to define the subscript.
2044
2045 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2048         compiler's data reference.  Initialize PDR_CDR.
2049         (print_pdr): Call dump_data_reference.
2050         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2051         Add compiler_dr field.
2052         (PDR_BB): Renamed PDR_PBB.
2053         (PDR_CDR): New.
2054         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2055         GCC's data reference representation.
2056         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2057         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2058
2059 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2060
2061         * graphite-poly.c (print_scattering_function): Also print the layout.
2062         * graphite-poly.h (pbb_nb_local_vars): New.
2063
2064 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2067
2068 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2069
2070         * graphite-poly.c (print_pdr, debug_pdr): New.
2071         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2072         (PDR_BASE): Removed.
2073
2074 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2075
2076         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2077         ltrans-{1..6,8}.c.
2078
2079 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2080
2081         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2082         subscript identification column.
2083         (pbb_do_interchange): Print to dump_file that some loops "will be
2084         interchanged".  Rely on that chain of characters in the testcases.
2085         * gcc.dg/graphite/interchange-0.c: New.
2086         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2087         interchange-*.c files and compile them with -floop-interchange.
2088
2089 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2090
2091         * graphite-interchange.c (interchange_profitable_p): Renamed
2092         pbb_interchange_profitable_p.
2093
2094 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2095             Harsha Jagasia  <harsha.jagasia@amd.com>
2096             Pranav Garg  <pranav.garg2107@gmail.com>
2097
2098         * graphite-interchange.c (interchange_profitable_p): Make static.
2099         (pbb_interchange_loop_depths, pbb_do_interchange,
2100         scop_do_interchange): New.
2101         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2102         for flag_loop_interchange.
2103         * graphite-poly.h (scop_do_interchange): Declared.
2104         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2105         flag_loop_interchange is used.
2106
2107 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite-dependences.c (dependence_polyhedron): Update use of
2110         pbb_nb_scattering_dims.
2111         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2112         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2113         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2114         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2115
2116 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2117
2118         * graphite.c: Cleanup foo.
2119
2120 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2121
2122         * Merge from mainline (r143684:148293).
2123         * Disabled libpcp until it gets fixed.
2124
2125 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2126             Harsha Jagasia  <harsha.jagasia@amd.com>
2127
2128         * graphite-interchange.c: New.
2129         * Makefile.in (graphite-interchange.o): New.
2130         * graphite-poly.h (interchange_profitable_p): Declared.
2131         * graphite-ppl.h (value_max): New.
2132
2133 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2136         * graphite-poly.h: Fix some comments.
2137         (pdr_dim): New.
2138         (pdr_scop): New.
2139
2140 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2141
2142         * graphite-poly.h
2143         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2144         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2145         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2146         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2147         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2148         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2149         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2150         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2151         * graphite-clast-to-gimple.c: Same.
2152         * graphite-dependences.c: Same.
2153         * graphite-poly.c: Same.
2154         * graphite-sese-to-poly.c: Same.
2155
2156 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2159         expressions for an IV rename, as returned by clast_to_gcc_expression.
2160         (copy_renames): Rename new_name to expr.
2161         * sese.c (debug_rename_elt): Same.
2162         (get_rename): Same.
2163         (set_rename): Same.
2164         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2165         the information from the rename map.
2166         (rename_variables_in_stmt): Same.
2167         (add_loop_exit_phis): Rename new_name to expr.
2168         (insert_loop_close_phis): Same.
2169         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2170         * sese.h (struct rename_map_elt): Rename new_name to expr.
2171         (new_rename_map_elt): Same.
2172
2173 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2176         * sese.c (set_rename): Make it extern.
2177         * sese.h (set_rename): Declared.
2178
2179 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2180
2181         * graphite-poly.c (extend_scattering): Free values.
2182         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2183         Free iterators.
2184         (ppl_print_powerset_matrix): Same.
2185         * graphite-scop-detection.c (free_scops_1): New.
2186         (limit_scops): Call free_scops_1.
2187         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2188         (build_poly_dr): Free PPL coefficients.
2189         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2190
2191 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2192
2193         * graphite-dependences.c: New.
2194         * graphite-data-ref.c: Removed.
2195         * graphite-data-ref.h: Removed.
2196         * Makefile.in (graphite-data-ref.o): Removed.
2197         (graphite-dependences.o): Added.
2198         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2199         * graphite-poly.c: Same.
2200         Move the data dependence testing to graphite-dependences.c.
2201
2202 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2203
2204         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2205         from graphite_cannot_represent_loop. Code refactored.
2206         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2207
2208 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2209
2210         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2211         Cover all the testcases (not only the filtered ones).
2212
2213 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2214
2215         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2216         unnecessary check. Update comments. Move check for REAL_TYPE here.
2217         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2218         done in (stmt_simple_for_scop_p).
2219
2220 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2221
2222         * graphite.c (print_global_statistics): New.
2223         (print_graphite_scop_statistic): New.
2224         (print_graphite_statistics): New.
2225         (graphite_initialize, graphite_transform_loops): Print statistics.
2226         * graphite-scop-detection (build_scops): Print statistics.
2227         (print_graphite_scop_statistics): New.
2228         (print_graphite_statistics): New.
2229
2230 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2233         (debug_clast_name_index): Removed.
2234         (debug_clast_name_indexes_1): Removed.
2235         (debug_clast_name_indexes): Removed.
2236         (clast_name_index_elt_info): Removed.
2237         (eq_clast_name_indexes): Removed.
2238         (clast_name_to_index): Removed.
2239         (new_clast_name_index): Removed.
2240         (save_clast_name_index): Removed.
2241         (save_var_name): Moved...
2242         (init_sese_params_index): Removed.
2243         (clast_name_to_gcc): Remove use of name_tree.
2244         (initialize_cloog_names): Same.
2245         (gloog): Do not call init_sese_params_index.
2246         * graphite-sese-to-poly.c (save_var_name): ...here.
2247         (parameter_index_in_region): New.
2248         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2249         (parameter_index_in_region): Removed.
2250         (is_parameter): Remove use of name_tree.
2251         * sese.h (struct name_tree): Removed.
2252         (struct sese): Remove use of name_tree.  New field params_names.
2253         (SESE_PARAMS_NAMES): New.
2254         (SESE_PARAMS): Remove duplicate.
2255         (parameter_index_in_region): Removed.
2256         (sese_nb_params): Remove use of name_tree.
2257         (struct clast_name_index): New.
2258         (new_clast_name_index): New.
2259         (clast_name_to_index): New.
2260         (save_clast_name_index): New.
2261         (debug_clast_name_index): New.
2262         (debug_clast_name_indexes_1): New.
2263         (debug_clast_name_indexes): New.
2264         (clast_name_index_elt_info): New.
2265         (eq_clast_name_indexes): New.
2266
2267 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2270         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2271         (graphite_loop_normal_form): Do not pass region.  Do not
2272         initialize SESE_OLDIVS.
2273         (build_graphite_loop_normal_form): Update call to
2274         graphite_loop_normal_form.
2275         * sese.c (debug_oldivs): Removed.
2276         (new_sese): Do not initialize SESE_OLDIVS.
2277         (free_sese): Do not free SESE_OLDIVS.
2278         (oldiv_for_loop): Removed.
2279         * sese.h (struct sese): Remove old_ivs.
2280         (SESE_OLDIVS): Removed.
2281         (oldiv_for_loop): Removed.
2282
2283 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2284
2285         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2286         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2287         replaced by a call to newivs_to_depth_to_newiv.
2288         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2289         (clast_to_gcc_expression_red): Same.
2290         (gcc_type_for_clast_expr): Same.
2291         (gcc_type_for_clast_eq): Same.
2292         (graphite_translate_clast_equation): Same.
2293         (graphite_create_guard_cond_expr): Same.
2294         (graphite_create_new_guard): Same.
2295         (graphite_create_new_loop): Same.
2296         (build_iv_mapping): Same.
2297         (translate_clast): Same.
2298         (gloog): Same.
2299         (loop_iv_stack_patch_for_consts): Removed.  *
2300         sese.c (iv_stack_entry_is_constant): Removed.
2301         (iv_stack_entry_is_iv): Removed.
2302         (loop_iv_stack_push_iv): Removed.
2303         (loop_iv_stack_insert_constant): Removed.
2304         (loop_iv_stack_pop): Removed.
2305         (loop_iv_stack_get_iv): Removed.
2306         (loop_iv_stack_get_iv_from_name): Removed.
2307         (debug_loop_iv_stack): Removed.
2308         (free_loop_iv_stack): Removed.
2309         (loop_iv_stack_remove_constants): Removed.  *
2310         sese.h (iv_stack_entry_kind): Removed.
2311         (iv_stack_entry_data_union): Removed.
2312         (iv_stack_entry_struct): Removed.
2313         (iv_stack_entry_p): Removed.
2314         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2315         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2316         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2317         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2318         (gbb_loop_at_index): Fix indenting.
2319         (gbb_loop_index): Removed.
2320
2321 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2322
2323         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2324         Call clast_name_to_index.
2325
2326 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2327
2328         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2329         do not pass params.  Get params from SESE_PARAMS.
2330         (clast_to_gcc_expression): Same.
2331         (clast_to_gcc_expression_red): Same.
2332         (gcc_type_for_clast_eq): Same.
2333         (graphite_translate_clast_equation): Same.
2334         (graphite_create_new_loop): Same.
2335         * sese.c (rename_variables_in_stmt): Fix comment.
2336
2337 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2338
2339         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2340         newivs_index.
2341         Call save_clast_name_index.
2342         (translate_clast): Pass newivs_index.
2343         (gloog): Create and free newivs_index.
2344
2345 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2348         (clast_name_index_p): New type.
2349         (debug_clast_name_index): New.
2350         (debug_clast_name_indexes_1): New.
2351         (debug_clast_name_indexes): New.
2352         (clast_name_index_elt_info): New.
2353         (eq_clast_name_indexes): New.
2354         (clast_name_to_index): New.
2355         (new_clast_name_index): New.
2356         (save_clast_name_index): New.
2357         (init_sese_params_index): New.
2358         (gloog): Call init_sese_params_index.
2359         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2360         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2361         (free_sese): Free SESE_PARAMS_INDEX.
2362         * sese.h (struct sese): Add params_index.
2363         (SESE_PARAMS_INDEX): New.
2364
2365 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2368         (graphite_create_new_loop): Pass the newivs vector.  Push the
2369         newly created IV to newivs.
2370         (translate_clast): Pass the newivs vector.
2371         (gloog): Create and destroy the newivs vector.
2372
2373 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2376         (graphite_loop_normal_form): Initialize loop->aux with the unique
2377         IV that has been created.
2378
2379 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2380
2381         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2382         scev with parameters in the base part. They where forbidden
2383         exidently.
2384
2385 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2386
2387         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2388         compile options by file names.
2389         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2390         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2391         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2392         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2393
2394 2009-05-08  Li Feng <nemokingdom@gmail.com>
2395
2396         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2397         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2398         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2399         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2400
2401 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2402
2403         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2404         by final cleanup.
2405
2406 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2407
2408         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2409         allow integer constant strides.
2410         (graphite_can_represent_expr): Depend on outermost_loop.
2411         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2412         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2413         build_scops_1): Same.
2414         (scopdet_basic_block_info): Same and insert layered SCoP
2415         detection.
2416         (try_generate_gimple_bb): Cleanup.
2417         (build_scops): Enable data references.
2418
2419         * testsuite/gcc.dg/graphite/id-5.c: New.
2420         * testsuite/gcc.dg/graphite/id-9.c: New.
2421         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2422         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2423
2424 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2425
2426         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2427         that we have not yet built for this SCoP.
2428
2429 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2430
2431         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2432         for complex numbers.
2433
2434 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2435
2436         * graphite-ppl.c: Fix build if cloog is not available.
2437
2438 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2439
2440         * tree-parloops.c (loop_parallel_p): Remove construction of
2441         NITER and REDUCTION_LIST.
2442         (try_get_loop_niter): New.
2443         (try_create_reduction_list): New.
2444         (parallelize_loops): Bypass the failed checkings in autopar
2445         when can_be_parallel in loop structure is set to true.
2446
2447 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2448
2449         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2450         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2451
2452 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2453
2454         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2455         Enable EQ_EXPR and NE_EXPR again.
2456
2457 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2458
2459         * graphite-scop-detection.c (graphite_can_represent_scev):
2460         Add check if scev is affine multivariate.
2461         (harmful_stmt_in_bb): Check if we can represent the conditions.
2462         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2463         harmful_stmt_in_bb.
2464         * testsuite/gcc.dg/graphite/id-7.c: New.
2465
2466 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2467
2468         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2469         Check all bbs in region, not only the bbs that are represented in
2470         GRAPHITE.
2471         (build_poly_scop): Add newline.
2472         * testsuite/gcc.dg/graphite/id-8.c: New.
2473
2474 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2475
2476         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2477         when loop initialize.
2478         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2479         * common.opt: Declare flag_graphite_force_parallel.
2480         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2481         loop parallel.
2482         * graphite-poly.c (apply_poly_transforms): Introduce
2483         flag_graphite_force_parallel.
2484         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2485         * toplev.c (process_options): ditto and replace a not correctly
2486         encoded space.
2487
2488 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2489
2490         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2491         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2492         to the redefinition.
2493         (compute_cloog_iv_types_1): ditto.
2494         (build_iv_mapping): ditto.
2495         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2496         initialization.
2497         (free_gimple_bb): Removed GBB_LOOPS related free part.
2498         (build_bb_loops): Removed.
2499         * sese.h (struct gimple_bb): Removed loops.
2500         (GBB_LOOPS): Removed.
2501         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2502         (gbb_loop_index): ditto.
2503
2504 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2505
2506         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2507         allow non constant strides.
2508         * testsuite/gcc.dg/graphite/scop-20.c: New.
2509
2510 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2511
2512         * graphite-scop-detection.c (dot_all_scops): Fix system call
2513         return value warning.
2514         (dot_scop): Same.
2515
2516 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2517
2518         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2519         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2520
2521 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2522
2523         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2524         build_pairwise_constraint, dr_equality_constraints,
2525         build_pairwise_scheduling_equality,
2526         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2527         build_lexicographically_gt_constraint, dependence_polyhedron,
2528         graphite_legal_transform_dr, graphite_legal_transform_bb,
2529         graphite_legal_transform): New.
2530         * graphite-poly.h (graphite_legal_transform): Declared.
2531         * graphite-sese-to-poly.c (build_poly_scop): Call to
2532         graphite_legal_transform is disabled for the moment.
2533
2534 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2535
2536         * graphite-poly.h (pbb_nb_scattering_dims): New.
2537         (pbb_nb_scattering): Use it.
2538
2539 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2540
2541         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2542         Pointset_Powerset version of ppl_insert_dimensions.
2543         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2544
2545 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2548
2549 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2550
2551         * graphite-poly.h: Fix comment.
2552
2553 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2556
2557 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2558
2559         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2560         statements.
2561
2562 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2563
2564         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2565         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2566         conditions.
2567
2568 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2569
2570         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2571         handle EQ_EXPR and NE_EXPR.
2572
2573 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2574
2575         * graphite-poly.h (poly_dr): Fix comment.
2576
2577 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2578             Tobias Grosser  <grosser@fim.uni-passau.de>
2579
2580         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2581         with a zero dimension polyhedron.
2582         (find_scop_parameters): Move the call to scop_set_nb_params here.
2583         (build_loop_iteration_domains): Store in loop->aux the iteration
2584         domain polyhedron.
2585         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2586         by any loop in scop.
2587         (build_poly_scop): Do not call scop_set_nb_params.
2588
2589 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2590             Tobias Grosser  <grosser@fim.uni-passau.de>
2591
2592         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2593         add_condition_to_domain not GT_EXPR.
2594
2595 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2596
2597         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2598         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2599         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2600         upper_bound_assign to calculate unions.
2601         * testsuite/gcc.dg/graphite/id-6.c: New.
2602
2603 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2604
2605         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2606         handle abnormal edges.
2607
2608 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2609
2610         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2611         (free_poly_bb): Also free poly_drs.
2612         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2613         (poly_dr): Polyhedron to Pointset_Powerset.
2614         (pdr_accessp_nb_subscripts): Same.
2615         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2616         poly_drs.
2617
2618 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2619
2620         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2621         names into more meaningful names.
2622
2623 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2624
2625         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2626         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2627
2628 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2631         the reduction_list.
2632         * tree-parloops.c (rewrite_phi_with_iv): New.
2633         (rewrite_all_phi_nodes_with_iv): New.
2634         (canonicalize_loop_ivs): Call them.
2635
2636 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2637
2638         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2639         graphite_find_data_references_in_stmt.
2640         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2641         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2642
2643 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2644
2645         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2646
2647 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2648
2649         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2650         instead of bb_in_region.
2651         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2652         (build_sese_conditions): Use flag_bb_in_sese.
2653         * sese.c (register_bb_in_sese): Removed.
2654         (new_sese): Remove initialization of SESE_REGION_BBS.
2655         (free_sese): Do not free SESE_REGION_BBS.
2656         * sese.h (struct sese): Remove field region_basic_blocks.
2657         (SESE_REGION_BBS): Removed.
2658         (bb_in_sese_p): Implement in function of bb_in_region.
2659
2660 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2661
2662         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2663         loops.
2664
2665 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2666
2667         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2668         and EQ_EXPR.
2669         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2670         (add_condition_to_domain): New.
2671         (add_condition_to_pbb): New.
2672         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2673         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2674
2675 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2676
2677         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2678         ppl_Pointset_Powerset.
2679         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2680         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2681         (pbb_nb_loops): Same.
2682         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2683         add_conditions_to_domain): Same.
2684         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2685         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2686         ppl_const_Polyhedron_t.
2687         (ppl_print_powerset_matrix): New.
2688         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2689         ppl_print_powerset_matrix): New.
2690         (ppl_print_polyhedron_matrix): Updated.
2691
2692 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2695
2696 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2699         (print_iteration_domains, debug_iteration_domain,
2700         debug_iteration_domains): New.
2701         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2702         debug_iteration_domains): Declared.
2703         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2704         indenting.
2705
2706 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2707             Sebastian Pop  <sebastian.pop@amd.com>
2708
2709         * graphite-poly.h (print_iteration_domain): New.
2710         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2711         (build_sese_conditions_1, build_sese_conditions_after,
2712         build_sese_conditions_before): New.
2713         (build_sese_conditions): Rewritten.
2714
2715 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2716             Tobias Grosser  <grosser@fim.uni-passau.de>
2717
2718         Cleanup of code generation liveouts.
2719         * graphite-clast-to-gimple.c (translate_clast): Use a single
2720         rename_map instead of one per translated statement.
2721         Do not use SESE_LIVEOUT_RENAMES.
2722         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2723         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2724         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2725         phi node of a reduction: when a loop contains a reduction used outside
2726         the loop, there should be a scalar close phi node on the exit block.
2727         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2728         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2729         (free_sese): Do not free them.
2730         (sese_build_liveouts_use): Do not use them.
2731         (sese_build_liveouts_bb): Same.
2732         (sese_build_liveouts): Same.
2733         (sese_insert_phis_for_liveouts): Same.
2734         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2735         (defined_in_loop_p): New.
2736         (alive_after_loop): New.
2737         (close_phi_not_yet_inserted_p): New.
2738         (struct alep, alep_p): New.
2739         (add_loop_exit_phis): Remove from the rename_map all the names defined
2740         in the code generated loop.
2741         (insert_loop_close_phis): Traverse the rename_map passed to it.
2742         Don't use SESE_LIVEOUT_RENAMES.
2743         (default_liveout_before_guard): Renamed default_before_guard.
2744         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2745         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2746         (register_sese_liveout_renames): Removed.
2747         (copy_bb_and_scalar_dependences): Do not call it.
2748         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2749         reduction_list.
2750         (SESE_LIVEOUT): Removed.
2751         (SESE_LIVEOUT_RENAMES): Removed.
2752         (SESE_REDUCTION_LIST): Removed.
2753         (sese_build_liveouts): Removed.
2754         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2755         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2756         (insert_guard_phis): Same.
2757         (rename_map_elt): Declare a VEC of them.
2758         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2759         trees not pointers to trees.
2760
2761         Rewrite in canonical close SSA form:
2762         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2763         (limit_scops): Close the scop after the block containing the close phi
2764         nodes.
2765         (canonicalize_loop_closed_ssa): New.
2766         (canonicalize_loop_closed_ssa_form): New.
2767         (build_scops): Call canonicalize_loop_closed_ssa_form.
2768
2769         * graphite-sese-to-poly.c: Fix typos.
2770
2771 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2774         Extended.
2775         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2776         (print_pbb): Add conditions.
2777
2778 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2779             Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2782         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2783         (build_scop_bbs_1): New.
2784         (build_scop_bbs): Rewrite.
2785         * sese.h (bb_in_region): New.
2786
2787 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2788
2789         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2790         poly_drs vector.
2791         (print_scop): Style.
2792         * graphite-poly.h (poly_bb): Add drs vector.
2793         (PBB_DRS): Add accessor.
2794         * graphite-sese-to-poly.c (build_poly_dr): New.
2795         (build_pbb_drs, build_scop_drs): New.
2796         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2797
2798 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2799
2800         * tree-ssa-loop.c: Include forgotten toplev.h
2801
2802 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2803
2804         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2805         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2806         * testsuite/gcc.dg/graphite/pr37928.c: Same
2807         * testsuite/gcc.dg/graphite/pr38409.c: Same
2808         * testsuite/gcc.dg/graphite/pr38498.c: Same
2809         * testsuite/gcc.dg/graphite/pr38559.c: Same
2810         * testsuite/gcc.dg/graphite/pr39335.c: Same
2811         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2812         * testsuite/gfortran.dg/graphite/block-2.f: Same
2813         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2814         with -floop-*.
2815
2816 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2817
2818         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2819         build_access_matrix, build_scop_data_accesses): Remove access function
2820         building. (We get a new version soon).
2821         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2822         * sese.h (nb_loops_around_loop_in_sese): Remove.
2823         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2824
2825 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2826             Sebastian Pop  <sebastian.pop@amd.com>
2827
2828         * graphite-scop-detection.c (struct scopdet_info): Rename last
2829         field to exit.
2830         (scopdet_basic_block_info, build_scops_1): Don't use
2831         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2832
2833 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2834             Sebastian Pop  <sebastian.pop@amd.com>
2835
2836         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2837         * sese.c (sese_build_liveouts_use): Renamed from
2838         sese_build_livein_liveouts_use. Remove liveins.
2839         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2840         Call sese_build_liveouts_use.
2841         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2842         Call sese_build_liveouts_bb.
2843         (new_sese, free_sese): Remove liveins.
2844         (sese_add_exit_phis_var): Deleted.
2845         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2846         directly.
2847         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2848
2849         * sese.h (sese): Remove num_ver and livein.
2850         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2851
2852 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2853
2854         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2855
2856 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2857
2858         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2859         (build_scop_scattering): Do not use compare_prefix_loops any more.
2860         (nb_common_loops): New.
2861
2862 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2863
2864         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2865         (register_old_and_new_names): Renamed set_rename.
2866
2867 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2868
2869         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2870         of the decl from the previous commit.
2871
2872 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2873
2874         * graphite-scop-detection.c (dot_scop): New.
2875         * graphite-scop-detection.h (dot_scop): Declared.
2876
2877 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2878
2879         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2880
2881 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2882
2883         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2884         condition at the end of the loop.
2885         * graphite.c (graphite_initialize, graphite_finalize): Print to
2886         dump_file the compiled function.
2887         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2888         of create_empty_loop_on_edge.
2889         (translate_clast): Update the code generation of loops for the new
2890         shape of loops.
2891         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2892
2893 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         Reverted the patch from 2009-03-19.
2896
2897 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2898
2899         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2900         poly_drs vector.
2901         (print_scop): Style.
2902         * graphite-poly.h (poly_bb): Add drs vector.
2903         (PBB_DRS): Add accessor.
2904         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2905         (build_access_matrix_with_af, build_access_matrix,
2906         build_scop_data_accesses): Delete.
2907         (build_poly_dr): New.
2908         (build_pbb_drs, build_scop_drs): New.
2909         (build_poly_scop): call build_scop_drs.
2910
2911 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2912
2913         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2914         once per basic block.
2915
2916 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2917
2918         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2919         (graphite_can_represent_expr): Renamed from loop_affine_expr
2920         and enhanced.
2921         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2922         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2923         (scopdet_basic_block_info): Actually define entry_block.
2924         (stmt_simple_memref_p): Moved here from ...
2925
2926         * tree-data-ref.c (stmt_simple_memref_p): here.
2927         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2928
2929 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2930
2931         * testsuite/gcc.dg/graphite/id-4.c: New.
2932
2933 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2936         (register_old_and_new_names): Update the content of the map.
2937         When there was already a rename_map_elt in the map at that
2938         location, free it.
2939         (copy_bb_and_scalar_dependences): Do rename_variables after
2940         expand_scalar_variables.
2941         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2942         of the map.  When there was already a rename_map_elt in the
2943         map at that location, free it.
2944         (translate_clast): Pass the rename_map.  Do not initialize and free
2945         a rename_map per stmt_user.
2946         (gloog): Initialize and free one rename_map and pass it to
2947         translate_clast.
2948
2949 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2950
2951         * sese.c (expand_scalar_variables_stmt,
2952         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2953         parameter.
2954         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2955         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2956         the gimple_stmt_iterator of the statement to be expanded.
2957         * graphite-scop-detection.c (is_simple_operand): Do handle
2958         REALPART_EXPR.
2959
2960 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2961
2962         * graphite-scop-detection.c (is_simple_operand): Do not handle
2963         REALPART_EXPR.
2964         * testsuite/gcc.dg/graphite/id-2.c: New.
2965
2966         * graphite-sese-to-poly.c (build_bb_loops,
2967         add_value_to_dim, scan_tree_for_params_right_scev,
2968         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2969         find_params_in_bb, build_loop_iteration_domains,
2970         add_conditions_to_domain): Remove subtract.
2971
2972 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2973
2974         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2975         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2976         pbb_loop_at_index -> gbb_loop_at_index.
2977         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2978         (debug_loop_vec): Delete.
2979         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2980         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2981         (PBB_LOOPS): Removed.
2982         (PBB_BLACK_BOX): Insert cast.
2983         (pbb_set_black_box): New setter.
2984         (pbb_loop_at_index, pbb_loop_index): Removed.
2985         (scop_set_region, scop_set_nb_params): New.
2986         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2987         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2988         (build_poly_scop): Use scop_set_nb_params.
2989         * sese.h (gimple_bb): Add LOOPS.
2990         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2991
2992 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2993
2994         Revert previous commit.
2995
2996 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2999         (register_old_and_new_names): Update the content of the map.
3000         When there was already a rename_map_elt in the map at that
3001         location, free it.
3002         (copy_bb_and_scalar_dependences): Do rename_variables after
3003         expand_scalar_variables.
3004         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3005         of the map.  When there was already a rename_map_elt in the
3006         map at that location, free it.
3007         (translate_clast): Pass the rename_map.  Do not initialize and free
3008         a rename_map per stmt_user.
3009         (gloog): Initialize and free one rename_map and pass it to
3010         translate_clast.
3011
3012 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3013
3014         Remove forgotten line in revert.
3015
3016 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3017
3018         Revert previous commit.
3019
3020 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * sese.c (register_old_and_new_names): Update the content
3023         of the map.  When there was already a rename_map_elt in the
3024         map at that location, free it.
3025         (copy_bb_and_scalar_dependences): Do rename_variables after
3026         expand_scalar_variables.
3027         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3028         of the map.  When there was already a rename_map_elt in the
3029         map at that location, free it.
3030         (translate_clast): Pass the rename_map.  Do not initialize and free
3031         a rename_map per stmt_user.
3032         (gloog): Initialize and free one rename_map and pass it to
3033         translate_clast.
3034
3035 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3036
3037         * graphite-clast-to-gimple.c (translate_clast): context_loop
3038         is never NULL.
3039
3040 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3041             Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3044         of the use of ppl_Polyhedron_map_space_dimensions.
3045
3046 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3047             Sebastian Pop  <sebastian.pop@amd.com>
3048
3049         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3050         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3051         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3052         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3053         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3054         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3055         pbb_nb_params): New.
3056         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3057         nb_loops_around_pbb): Adapt return types.
3058
3059 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3060
3061         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3062         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3063         graphite-scop-detection.o, graphite-poly.o): Add
3064         more headers.
3065
3066 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3067
3068         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3069         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3070         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3071
3072 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3073
3074         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3075         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3076         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3077         * testsuite/gcc.dg/graphite/block-0.c: Same.
3078         * testsuite/gcc.dg/graphite/block-1.c: Same.
3079         * testsuite/gcc.dg/graphite/block-2.c: Same.
3080         * testsuite/gcc.dg/graphite/block-3.c: Same.
3081         * testsuite/gcc.dg/graphite/block-4.c: Same.
3082         * testsuite/gcc.dg/graphite/block-5.c: Same.
3083         * testsuite/gcc.dg/graphite/block-6.c: Same.
3084         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3085         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3086         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3087         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3088         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3089         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3090         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3091         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3092         * opts.c: Remove -floop-block from -O2.
3093         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3094         -floop-strip-mine are used.
3095
3096 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3097             Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3100         dimensions.
3101         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3102         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3103         strip_mine_profitable_p, is_interchange_valid,
3104         graphite_trans_bb_block, graphite_trans_loop_block,
3105         graphite_trans_scop_block): Temporary removed.
3106         (extend_scattering, unify_scattering_dimensions): New.
3107         (print_scattering_function, graphite_read_transforms):
3108         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3109         (graphite_generate_scattering_fns): Removed.
3110         (apply_poly_transforms): Cleanup.
3111         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3112         (schedule_to_scattering): Moved.
3113         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3114         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3115         (pbb_nb_scattering): New.
3116         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3117         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3118         Removed.
3119         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3120         shift_poly.
3121         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3122         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3123         -> PBB_TRANSFORMED_SCATTERING.
3124         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3125         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3126         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3127         (check_poly_representation): Do not return bool.
3128         (graphite_transform_loops): Reformat.
3129         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3130
3131 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3132
3133         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3134         debug_pbb_domain, debug_pbb, debug_scop): New.
3135         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3136         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3137
3138 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3139
3140         PR middle-end/39335
3141         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3142         when the type precision of the induction variable should be
3143         larger than the type precision of nit.
3144         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3145         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3146         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3147
3148         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3149         * testsuite/gcc.dg/graphite/pr39335.c: New.
3150
3151 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3154         SSA_NAMES not struct reduction_info.
3155
3156 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3157
3158         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3159
3160 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3161             Tobias Grosser  <grosser@fim.uni-passau.de>
3162
3163         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3164         (free_sese): Free SESE_REDUCTION_LIST.
3165         * sese.h (struct sese): Add field reduction_list.
3166         (SESE_REDUCTION_LIST): New.
3167         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3168         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3169
3170 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3171             Tobias Grosser  <grosser@fim.uni-passau.de>
3172
3173         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3174         of loop_p.
3175
3176 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3177             Tobias Grosser  <grosser@fim.uni-passau.de>
3178
3179         * tree-parloops.c (struct brli, build_reduction_list_info,
3180         analyze_reduction_list, gather_scalar_reductions): New.
3181         (loop_parallel_p): Build a reduction list containing only
3182         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3183         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3184         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3185         * tree-flow.h (gather_scalar_reductions): Declared.
3186
3187 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3188
3189         PR middle-end/39308
3190         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3191         number_of_iterations_exit from a gcc_assert.
3192
3193 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3194             Jan Sjodin  <jan.sjodin@amd.com>
3195
3196         * output.h (graphite_out_file, graphite_in_file): Declared.
3197         * toplev.c (graphite_out_file, graphite_in_file): New.
3198         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3199         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3200         Don't call schedule_to_scattering.
3201         * common.opt (fgraphite-write, fgraphite-read): New.
3202         * graphite-poly.c: Include output.h.
3203         (print_scattering_function, print_scattering_functions,
3204         debug_scattering_function, debug_scattering_functions,
3205         graphite_write_transforms, graphite_read_transforms,
3206         graphite_generate_scattering_fns): New.
3207         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3208         Call graphite_generate_scattering_fns, graphite_write_transforms,
3209         graphite_read_transforms.
3210         (new_poly_bb): Initialize PBB_SCATTERING.
3211         (free_poly_bb): Free PBB_SCATTERING.
3212         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3213         * graphite-poly.h (struct poly_bb): Add field scattering.
3214         (PBB_SCATTERING): New.
3215         (print_scattering_function, print_scattering_functions,
3216         debug_scattering_function, debug_scattering_functions): Declared.
3217         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3218         GMP values, not integers!
3219         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3220         ppl_read_polyhedron_matrix): New.
3221         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3222         debug_ppl_polyhedron_matrix,
3223         ppl_read_polyhedron_matrix): Declared.
3224         * Makefile.in (graphite-poly.o): Depends on output.h.
3225
3226 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3227             Tobias Grosser  <grosser@fim.uni-passau.de>
3228
3229         Revert this change:
3230         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3231         scalar evolutions in the scop_entry->loop_father.
3232
3233 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3234             Tobias Grosser  <grosser@fim.uni-passau.de>
3235
3236         * graphite.h (ref_nb_loops): Remove declaration.
3237         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3238         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3239         debug_gbb): Moved to sese.h.
3240         * sese.h: As said.
3241
3242 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3243             Tobias Grosser  <grosser@fim.uni-passau.de>
3244
3245         * graphite-data-ref.[ch]: Disable.
3246
3247 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3248             Tobias Grosser  <grosser@fim.uni-passau.de>
3249
3250         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3251         scalar evolutions in the scop_entry->loop_father.
3252
3253 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3254
3255         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3256         (graphite_cannot_represent_loop_niter): Renamed
3257         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3258         (limit_scops): build_sese_loop_nests does not return a bool.
3259         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3260         * sese.c (nb_reductions_in_loop): ... from here.
3261         (graphite_loop_normal_form): ... from here.
3262         (sese_record_loop): Does not fail, so does not return a bool.
3263         (build_sese_loop_nests): Same.
3264         * sese.h (build_sese_loop_nests): Update declaration.
3265         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3266         (build_graphite_loop_normal_form): New.
3267         (gloog): Call build_graphite_loop_normal_form.
3268         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3269         build_sese_loop_nests.
3270
3271         * testsuite/gcc.dg/graphite/id-1.c: New.
3272
3273 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3274             Tobias Grosser  <grosser@fim.uni-passau.de>
3275
3276         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3277         The SCoP detection fix is sufficient.
3278
3279 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3280
3281         PR tree-optimization/39260
3282         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3283         the basic block contains a condition with a real type.
3284         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3285
3286         * gcc.dg/graphite/pr39260.c: New.
3287
3288 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3289
3290         * graphite-poly.c: Inlcude params.h.
3291         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3292         the size of a tile.
3293         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3294         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3295
3296 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3297             Tobias Grosser  <grosser@fim.uni-passau.de>
3298
3299         * graphite-scop-detection.c (dot_all_scops_1,
3300         dot_all_scops): Moved here.
3301         * graphite-scop-detection.h (dot_all_scops): Declared here.
3302         * graphite.c (graphite_initialize, graphite_finalize): New.
3303         (graphite_transform_loops): Cleaned up.
3304         * sese.c (debug_oldivs): Moved here.
3305         * graphite-poly.c (graphite_apply_transformations): Renamed
3306         apply_poly_transforms.
3307         (debug_loop_vec): Moved here.
3308         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3309         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3310         find_scop_parameters, build_scop_iteration_domain,
3311         add_conditions_to_constraints, build_scop_canonical_schedules,
3312         build_scop_data_accesses): Now static.
3313         (build_poly_scop, check_poly_representation): New.
3314
3315 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3318         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3319         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3320         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3321         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3322         scan_tree_for_params, struct irp_data, dx_record_params,
3323         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3324         build_loop_iteration_domains, add_conditions_to_domain,
3325         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3326         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3327         build_sese_conditions, add_conditions_to_constraints,
3328         build_scop_iteration_domain, build_access_matrix_with_af,
3329         build_access_matrix,
3330         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3331
3332         * graphite-sese-to-poly.c: New.
3333         * graphite-sese-to-poly.h: New.
3334
3335         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3336
3337 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * graphite.c: Split graphite code generation to a new file.
3340         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3341         max_precision_type, clast_to_gcc_expression_red,
3342         clast_to_gcc_expression, gcc_type_for_clast_expr,
3343         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3344         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3345         graphite_create_new_guard, clast_get_body_of_loop,
3346         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3347         graphite_create_new_loop, build_iv_mapping, copy_renames,
3348         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3349         compute_cloog_iv_types, free_scattering, save_var_name,
3350         initialize_cloog_names, build_scop_context, build_cloog_prog,
3351         set_cloog_options, debug_clast_stmt, scop_to_clast,
3352         print_generated_program, debug_generated_program,
3353         gloog): Moved to graphite-clast-to-gimple.c.
3354
3355         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3356
3357         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3358         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3359         loop_iv_stack_pop, loop_iv_stack_get_iv,
3360         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3361         free_loop_iv_stack, loop_iv_stack_remove_constants,
3362         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3363         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3364         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3365         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3366         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3367         get_vdef_before_sese, sese_adjust_vphi,
3368         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3369         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3370         is_iv, expand_scalar_variables_ssa_name,
3371         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3372         expand_scalar_variables, rename_variables, remove_condition,
3373         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3374         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3375         default_liveout_before_guard, add_guard_exit_phis,
3376         insert_guard_phis, register_old_and_new_names,
3377         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3378         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3379         if_region_set_false_region, create_if_region_on_edge,
3380         move_sese_in_condition): Moved to sese.c.
3381
3382         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3383         if_region_exit, if_region_get_condition_block,
3384         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3385         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3386         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3387         ivtype_map_elt, new_ivtype_map_elt,
3388         recompute_all_dominators): Moved to sese.h.
3389
3390         * graphite-clast-to-gimple.c: New.
3391         * graphite-clast-to-gimple.h: New.
3392         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3393         * sese.c: Modified as said above.
3394         * sese.h: Same.
3395
3396 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * graphite.c: Split scop detection to a new file.
3399         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3400         move_sd_regions, loop_affine_expr, exclude_component_ref,
3401         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3402         graphite_cannot_represent_loop_niter, struct scopdet_info,
3403         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3404         find_single_entry_edge, find_single_exit_edge,
3405         create_single_entry_edge, sd_region_without_exit,
3406         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3407         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3408         Moved to graphite-scop-detection.c.
3409
3410         * graphite-scop-detection.c: New.
3411         * graphite-scop-detection.h: New.
3412         * Makefile.in: Add new rule for graphite-scop-detection.o.
3413
3414         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3415         tree-scalar-evolution.h.
3416         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3417         build_sese_loop_nests): Moved here from graphite.c.
3418         (param_index): Renamed parameter_index_in_region.
3419
3420 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3421             Sebastian Pop  <sebastian.pop@amd.com>
3422
3423         * gcc.dg/graphite/block-0.c: Expected to fail now.
3424         * gcc.dg/graphite/block-1.c: Same.
3425         * gcc.dg/graphite/block-5.c: Same.
3426         * gcc.dg/graphite/block-6.c: Same.
3427
3428 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3429             Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         * graphite.h: Separate from graphite_bb_p the polyhedral
3432         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3433         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3434         graphite-data-ref.h.
3435         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3436         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3437         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3438         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3439         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3440         scop_nb_params): Moved to graphite-poly.h.
3441         * graphite-data-ref.c: Same.
3442         * graphite-data-ref.h: New.
3443         * graphite.c: Same.
3444         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3445         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3446         is_interchange_valid, graphite_trans_bb_block,
3447         graphite_trans_loop_block, scop_max_loop_depth,
3448         graphite_trans_scop_block, graphite_apply_transformations,
3449         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3450         graphite-poly.c.
3451         * graphite-poly.h: New.
3452         * graphite-poly.c: New.
3453         * Makefile.in (OBJS-common): Add graphite-poly.o.
3454         (graphite-poly.o): New rule.
3455         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3456         (DR_SCOP): Removed.
3457
3458 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3459             Tobias Grosser  <grosser@fim.uni-passau.de>
3460
3461         * graphite.c: Replace gb -> gbb.
3462         * graphite.h: Same.
3463         * graphite-data-ref.c: Same.
3464
3465 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3466             Tobias Grosser  <grosser@fim.uni-passau.de>
3467
3468         * Makefile.in (OBJS-commmon): Add sese.o.
3469         (sese.o): New.
3470         (graphite.o): Add sese.h.
3471         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3472         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3473         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3474         Move to sese.
3475         (block_before_scop): Add missing return.
3476         (new_scop, free_scop): Remove SESE data structures.
3477         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3478         find_scop_parameters, build_loop_iteration_domains,
3479         add_conditions_to_domain, register_scop_liveout_renames,
3480         copy_bb_and_scalar_dependences): Scop -> SESE.
3481
3482         (add_conditions_to_domain): SCoP -> SESE and remove check
3483         (scop_contains_non_iv_scalar_phi_nodes): New.
3484         (build_scop_conditions_1, build_scop_conditions): Remove check for
3485         non iv scalar phi nodes.
3486         (print_scop_statistics): New.
3487         (graphite_transform_loops): Cleanup.
3488
3489         * graphite.h: Move to sese & cleanup.
3490         * sese.c: New.
3491         * sese.h: New.
3492
3493 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3494             Tobias Grosser  <grosser@fim.uni-passau.de>
3495
3496         * graphite.c (build_scop_conditions_1): Conditions are only
3497         at the end of a basic block.
3498
3499 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3500             Tobias Grosser  <grosser@fim.uni-passau>
3501
3502         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3503         field.
3504         (GBB_ALPHA): Removed.
3505
3506 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3507             Tobias Grosser  <grosser@fim.uni-passau.de>
3508
3509         * graphite-data-ref.c (graphite_test_dependence): Don't use
3510         GBB_DYNAMIC_SCHEDULE.
3511         * graphite.c (new_graphite_bb): Same.
3512         (free_graphite_bb): Same.
3513         (build_scop_dynamic_schedules): Removed.
3514         (graphite_transform_loops): Don't call it.
3515         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3516         (GBB_DYNAMIC_SCHEDULE): Removed.
3517
3518 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3519             Tobias Grosser  <grosser@fim.uni-passau.de>
3520
3521         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3522         (print_graphite_bb): Same.
3523         (build_cloog_prog): Same.
3524
3525 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3526             Tobias Grosser  <grosser@fim.uni-passau.de>
3527
3528         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3529
3530 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3531             Tobias Grosser  <grosser@fim.uni-passau.de>
3532
3533         * graphite.c (build_scop_context): Don't use CloogMatrix.
3534         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3535         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3536
3537 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3538             Tobias Grosser  <grosser@fim.uni-passau.de>
3539
3540         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3541         liveout_renames, add_params fields...
3542         (struct sese): ... here.
3543         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3544         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3545
3546 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3547             Tobias Grosser  <grosser@fim.uni-passau.de>
3548
3549         * graphite.c (print_scop): Do not print the CLooG program.
3550         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3551         build_cloog_prog, gloog): Don't use SCOP_PROG.
3552         (find_transform): Renamed scop_to_clast.
3553         (print_generated_program, debug_generated_program): New.
3554         (graphite_transform_loops): Adapt to new interface.
3555         * graphite.h (struct scop): Remove program field.
3556         (SCOP_PROG): Removed.
3557         (print_generated_program, debug_generated_program): Declared.
3558
3559 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3560
3561         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3562         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3563         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3564         free_graphite_bb, build_scop_canonical_schedules,
3565         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3566         schedules are now represented using a ppl_Linear_Expression_t.
3567         * graphite.h (struct graphite_bb): Same.
3568         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3569         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3570
3571 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3572
3573         * graphite.c: Free local memory.
3574         * graphite-ppl.c: Same.
3575
3576 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3577
3578         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3579         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3580         swap_constraint_variables, scale_constraint_variable): Removed.
3581         (graphite_trans_bb_strip_mine): Remove pong.
3582         * graphite-ppl.c: Include missing header files.
3583         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3584         * graphite-ppl.h (ppl_strip_loop): Declared.
3585         * Makefile.in (graphite-ppl.o): Adjust dependences.
3586
3587 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3588
3589         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3590         (build_scop_iteration_domain): Same.
3591
3592 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3593
3594         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3595         ping pong.
3596         (add_value_to_dim, scan_tree_for_params_right_scev,
3597         scan_tree_for_params_int): New.
3598         * graphite-ppl.c (oppose_constraint): New.
3599         (insert_constraint_into_matrix): Implement missing cases.
3600         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3601
3602 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3603
3604         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3605         use ppl_move_dimension.
3606
3607 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3608
3609         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3610         * graphite.c: Same.
3611         * graphite.h: Same.
3612         * graphite-ppl.c: Same.
3613         * graphite-ppl.h: Same.
3614
3615 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3616
3617         Revert last 3 commits.
3618
3619 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3620
3621         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3622         ping pong.
3623         (add_value_to_dim, scan_tree_for_params_right_scev,
3624         scan_tree_for_params_int): New.
3625         * graphite-ppl.c (oppose_constraint): New.
3626         (insert_constraint_into_matrix): Implement missing cases.
3627         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3628
3629 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3630
3631         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3632
3633 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3634             Tobias Grosser  <grosser@fim.uni-passau.de>
3635
3636         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3637         use ppl_move_dimension.
3638         * graphite-ppl.c (ppl_move_dimension): New.
3639         * graphite-ppl.h (ppl_move_dimension): Declared.
3640
3641 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3642
3643         * graphite.c: Do not include cloog/cloog.h.
3644         (print_graphite_bb): Remove ping pong, call PPL print function.
3645
3646 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3647
3648         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3649         (graphite.o): Add dependence on graphite-ppl.h.
3650         (graphite-ppl.o): New.
3651         (graphite-data-ref.c): Ping pong between PPL data structures
3652         and matrices.
3653         * graphite-ppl.c: New.
3654         * graphite-ppl.h: New.
3655         * graphite.c: Include graphite-ppl.h.
3656         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3657         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3658         Ping pong between PPL data structures and matrices.
3659         (new_graphite_bb): Create a PPL constraint system.
3660         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3661         (build_loop_iteration_domains): Use PPL functions.
3662         * graphite.h: Include graphite-ppl.h.  Fix comments.
3663         (graphite_bb): Use a ppl_Constraint_System_t instead of
3664         CloogMatrix for representing the domain.
3665         (scop): Remove static_schedule.
3666         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3667
3668 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3669
3670         * graphite.c: Fix some comments.
3671
3672 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3673
3674         PR middle-end/38953
3675         * graphite.c (if_region_set_false_region): After moving a region
3676         in the false branch of a condition, remove the empty dummy
3677         basic block.
3678         (gloog): Remove wrong fix for PR38953.
3679
3680 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3681
3682         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3683         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3684         register_bb_in_sese, new_sese, free_sese): Moved.
3685         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3686         outermost_loop_in_scop, build_scop_iteration_domain,
3687         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3688         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3689         Use loop_in_sese_p instead of loop_in_scop_p.
3690         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3691         (free_scop): Do not free SCOP_BBS_B.
3692         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3693         ref_nb_loops): Moved here...
3694         * graphite.h (ref_nb_loops): ... from here.
3695         (struct scop): Remove bbs_b bitmap.
3696         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3697         * testsuite/gcc.dg/graphite/scop-19.c: New
3698
3699 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3700
3701         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3702         detection.
3703
3704 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3705
3706         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3707         eq_loop_to_cloog_loop): Remove.
3708         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3709         * graphite.h (struct scop): Remove loop2cloog_loop.
3710         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3711
3712 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3713
3714         * opts.c (decode_options): Only add graphite options to O2
3715         if we compile with graphite enabled.
3716
3717 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3718
3719         * Merge from mainline (r143163:143684).
3720
3721 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3722
3723         * graphite.c (debug_value): Removed.
3724         * graphite.h (debug_value): Removed.
3725
3726 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3729         after graphite: pass_copy_prop does not maintain a proper loop closed
3730         SSA form.  pass_copy_prop should be fixed.
3731
3732 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3733
3734         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3735
3736 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3737
3738         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3739         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3740         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3741         changed the CFG.
3742
3743 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3744
3745         * graphite.c (gloog): Return true when code gen succeeded.
3746         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3747         the code of the function did not changed.  After cleanup_tree_cfg
3748         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3749         form.
3750
3751 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3752
3753         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3754         gimple_call_lhs is NULL.
3755
3756 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3757             Tobias Grosser  <tobi.grosser@amd.com>
3758
3759         * graphite.c (graphite_trans_scop_block): Do not block single
3760         nested loops.
3761
3762 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3763             Tobias Grosser  <tobi.grosser@amd.com>
3764
3765         * graphite.c (build_scop_canonical_schedules): Start schedules at
3766         zero.
3767
3768 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3769             Tobias Grosser  <tobi.grosser@amd.com>
3770
3771         * graphite.c (compare_prefix_loops): New.
3772         (build_scop_canonical_schedules): Rewritten.
3773         (graphite_transform_loops): Move build_scop_canonical_schedules
3774         after build_scop_iteration_domain.
3775
3776 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3777             Tobias Grosser  <tobi.grosser@amd.com>
3778
3779         * graphite.c (add_conditions_to_domain): Add the loops to
3780         the dimension of the iteration domain.  Do copy the domain
3781         only when it exists.
3782         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3783         (add_conditions_to_constraints): New.
3784         (can_generate_code_stmt, can_generate_code): Removed.
3785         (gloog): Do not call can_generate_code.
3786         (graphite_transform_loops): Call add_conditions_to_constraints
3787         after building the iteration domain.
3788
3789 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3790             Tobias Grosser  <tobi.grosser@amd.com>
3791             Jan Sjodin  <jan.sjodin@amd.com>
3792
3793         * graphite.c (scan_tree_for_params): On substractions negate
3794         all the coefficients of the term.
3795         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3796         of more than two operands.
3797         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3798         (get_vdef_before_scop): Handle also the case of default definitions.
3799
3800 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         PR middle-end/38431
3803         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3804         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3805         (gloog): Do not call cleanup_tree_cfg.
3806         (graphite_transform_loops): Call cleanup_tree_cfg after all
3807         scops have been code generated.
3808
3809 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3810
3811         * passes.c (init_optimization_passes): Schedule after
3812         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3813
3814 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3817         Fix comment.
3818         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3819         Set the type of an expression to the type of its assign statement.
3820         (expand_scalar_variables_expr):  Do not pass loop_p.
3821         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3822         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3823         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3824
3825 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3826
3827         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3828         an expression to the gimple_expr_type of its assign statement.
3829         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3830         or tcc_declaration.
3831
3832 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         PR tree-optimization/38786
3835         * testsuite/gcc.dg/graphite/pr38786.c: New.
3836         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3837         the SSA_NAME case of expand_scalar_variables_expr.
3838         (expand_scalar_variables_expr): Also gather the scalar computation
3839         used to index the memory access.
3840         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3841         the gimple_stmt_iterator where it inserts new code.
3842
3843 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3844
3845         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3846
3847 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3848
3849         * opts.c (decode_options): Enable flag_graphite_identity and
3850         flag_loop_block in -O2 and above.
3851
3852 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3853
3854         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3855         Fix merge problem: replace with the file from trunk.
3856
3857 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859         * Merge from mainline (r141727:143163).
3860
3861 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3862             Jan Sjodin  <jan.sjodin@amd.com>
3863
3864         PR tree-optimization/38559
3865         * testsuite/gcc.dg/graphite/pr38559.c: New.
3866
3867         * graphite.c (debug_value, copy_constraint,
3868         swap_constraint_variables, scale_constraint_variable, ): New.
3869         (get_lower_bound, get_upper_bound): Removed.
3870         (graphite_trans_bb_strip_mine): Clean up this code that works
3871         only for constant number of iterations.  Fully copy upper and
3872         lower bound constraints, not only the constant part of them.
3873         * graphite.h (debug_value): Declared.
3874
3875 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3876
3877         PR tree-optimization/38492
3878         PR tree-optimization/38498
3879         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3880         * tree-chrec.h (scev_is_linear_expression): Declared.
3881         * graphite.c (graphite_cannot_represent_loop_niter): New.
3882         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3883         (graphite_loop_normal_form): Use gcc_assert.
3884         (scan_tree_for_params): Use CASE_CONVERT.
3885         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3886         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3887         Use gcc_assert.  Discard scops that contain unhandled cases.
3888         (build_scop_conditions): Return a boolean status for unhandled cases.
3889         (strip_mine_profitable_p): Print the loop number, not its depth.
3890         (is_interchange_valid): Pass the depth of the loop nest, don't
3891         recompute it wrongly.
3892         (graphite_trans_bb_block): Same.
3893         (graphite_trans_bb_block): Print tentative of loop blocking.
3894         (graphite_trans_scop_block): Do not print that the loop has been
3895         blocked.
3896         (graphite_transform_loops): Do not handle scops that contain condition
3897         scalar phi nodes.
3898
3899         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3900         in trunk.
3901         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3902         * testsuite/gcc.dg/graphite/block-1.c: Same.
3903         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3904         blocking.
3905         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3906         * testsuite/gcc.dg/graphite/block-3.c: New.
3907         * testsuite/gcc.dg/graphite/pr38498.c: New.
3908
3909 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3910
3911         PR tree-optimization/38510
3912         * gcc.dg/graphite/pr38510.c: New.
3913         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3914           (translate_clast): Call recompute_all_dominators before
3915           graphite_verify.
3916           (gloog): Call recompute_all_dominators before graphite_verify.
3917
3918 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3919
3920         PR tree-optimization/38492
3921         * graphite.c (rename_map_elt, debug_rename_elt,
3922         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3923         rename_map_elt_info, eq_rename_map_elts,
3924         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3925         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3926         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3927         (sese_build_livein_liveouts): New.
3928         (new_sese, free_sese): New.
3929         (new_scop): Call new_sese.
3930         (free_scop): Call free_sese.
3931         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3932         (register_old_new_names): Renamed register_old_and_new_names.
3933         (register_scop_liveout_renames, add_loop_exit_phis,
3934         insert_loop_close_phis, struct igp,
3935         default_liveout_before_guard, add_guard_exit_phis,
3936         insert_guard_phis, copy_renames): New.
3937         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3938         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3939         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3940         (scop_adjust_phis_for_liveouts): New.
3941         (gloog): Call scop_adjust_phis_for_liveouts.
3942
3943         * graphite.h (struct sese): Documented.  Added fields liveout,
3944         num_ver and livein.
3945         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3946         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3947         (struct scop): Added field liveout_renames.
3948         (SCOP_LIVEOUT_RENAMES): New.
3949
3950 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3951
3952         PR tree-optimization/38409
3953         * gcc.dg/graphite/pr38409.c: New.
3954         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3955
3956 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3957
3958         * graphite.c (gcc_type_for_cloog_iv): By default return
3959         integer_type_node.
3960         (graphite_create_new_loop): Don't fold_convert the already
3961         fold_convert-ed expression.
3962
3963 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3964
3965         PR tree-optimization/38446
3966         * gcc.dg/graphite/pr38446.c: New.
3967         * graphite.c (register_bb_in_sese): New.
3968         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3969         looking at the bbs in the region.
3970         * graphite.h (sese): Add region_basic_blocks pointer set to
3971         structure and initialize at the time of defining new scop.
3972
3973 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3974
3975         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3976         (find_params_in_bb): Do not free data refs.
3977         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3978
3979 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3980
3981         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3982         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3983         * testsuite/gcc.dg/graphite/block-5.c: New.
3984         * testsuite/gcc.dg/graphite/block-6.c: New.
3985         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3986         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3987         * testsuite/gcc.dg/graphite/block-2.c: Same.
3988
3989         * graphite.c (struct ivtype_map_elt): New.
3990         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3991         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3992         gcc_type_for_cloog_iv): New.
3993         (loop_iv_stack_patch_for_consts): Use the type of the induction
3994         variable from the original loop, except for the automatically
3995         generated loops, i.e., in the case of a strip-mined loop, in
3996         which case there is no original loop: in that case just use
3997         integer_type_node.
3998         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3999         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4000         (clast_name_to_gcc): Accept params to be NULL.
4001         (clast_to_gcc_expression): Take an extra parameter for the type.
4002         Convert to that type all the expressions built by this function.
4003         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4004         (graphite_translate_clast_equation): Compute the type of the
4005         clast_equation before translating its LHS and RHS.
4006         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4007         (graphite_create_new_loop): Compute the type of the induction
4008         variable before translating the lower and upper bounds and before
4009         creating the induction variable.
4010         (rename_variables_from_edge, rename_phis_end_scop): New.
4011         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4012         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4013         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4014         compute_cloog_iv_types): New.
4015         (gloog): Call compute_cloog_iv_types before starting the
4016         translation of the clast.
4017
4018         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4019         (GBB_CLOOG_IV_TYPES): New.
4020         (debug_ivtype_map): Declared.
4021         (oldiv_for_loop): New.
4022
4023 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4024
4025         PR middle-end/38459
4026         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4027         (param_index): Assert if parameter is not know after parameter
4028         detection.
4029         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4030         (find_scop_parameters): Mark, that we have finished parameter
4031         detection.
4032         (graphite_transform_loops): Move condition detection before parameter
4033         detection.
4034         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4035         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4036
4037 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4038
4039         * graphite.c (graphite_transform_loops): Always call find_transform ()
4040         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4041         generate code.
4042
4043 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4044
4045         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4046         (print_scop): Ditto.
4047
4048 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4049
4050         PR middle-end/38084
4051         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4052         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4053         regions more than once.
4054
4055 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4056
4057         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4058         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4059         when not needed.
4060
4061 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4062
4063         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4064         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4065         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4066         (max_precision_type): New.
4067         (value_clast): Removed.
4068         (clast_to_gcc_expression): Be more careful to types of expressions.
4069         Use max_precision_type and update use of gmp_cst_to_tree.
4070         (graphite_translate_clast_equation): Use max_precision_type.
4071         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4072         use the type of the condition.
4073         (graphite_create_new_loop): Do not use integer_type_node, use the
4074         max_precision_type of lb and ub.
4075
4076 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4077
4078         * graphite.c (build_scops_1): Initialize open_scop.exit
4079         and sinfo.last.
4080
4081 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4082
4083         * testsuite/gcc.dg/graphite/pr38084.c: New.
4084         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4085         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4086         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4087         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4088         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4089
4090 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4091             Jan Sjodin  <jan.sjodin@amd.com>
4092             Harsha Jagasia  <harsha.jagasia@amd.com>
4093
4094         PR middle-end/37852
4095         PR middle-end/37883
4096         PR middle-end/37928
4097         PR middle-end/37980
4098         PR middle-end/38038
4099         PR middle-end/38039
4100         PR middle-end/38073
4101         PR middle-end/38083
4102         PR middle-end/38125
4103
4104         * testsuite/gcc.dg/graphite/pr38073.c: New.
4105         * testsuite/gcc.dg/graphite/pr37928.c: New.
4106         * testsuite/gcc.dg/graphite/pr37883.c: New.
4107         * testsuite/gcc.dg/graphite/pr38125.c: New.
4108         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4109         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4110         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4111
4112         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4113         the number of detected scops.  Copy exact same test for loop
4114         blocking...
4115         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4116         loops to be blocked as reductions are not handled.
4117         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4118
4119         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4120         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4121         ...here.
4122         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4123         * Makefile.in (graphite.o): Depend on value-prof.h.
4124         (graphite.o-warn): Removed -Wno-error.
4125         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4126         to be a NULL pointer.  Call update_stmt.  Return the newly created
4127         cannonical induction variable.
4128
4129         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4130
4131         * graphite.c: Reimplement the code generation from graphite to gimple.
4132         Include value-prof.h.
4133         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4134         (get_old_iv_from_ssa_name): Removed.
4135         (graphite_stmt_p): New.
4136         (new_graphite_bb): Test for useful statements before building a
4137         graphite statement for the basic block.
4138         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4139         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4140         reason.
4141         (recompute_all_dominators, graphite_verify,
4142         nb_reductions_in_loop, graphite_loop_normal_form): New.
4143         (scop_record_loop): Call graphite_loop_normal_form.
4144         (build_scop_loop_nests): Iterate over all the blocks of the
4145         function instead of relying on the incomplete information from
4146         SCOP_BBS.  Return the success of the operation.
4147         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4148         (add_bb_domains): Removed.
4149         (build_loop_iteration_domains): Don't call add_bb_domains.
4150         Add the iteration domain only to the basic blocks that have been
4151         translated to graphite.
4152         (build_scop_conditions_1): Add constraints only if the basic
4153         block have been translated to graphite.
4154         (build_scop_data_accesses): Completely disabled until data
4155         dependence is correctly implemented.
4156         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4157         (remove_all_edges_1, remove_all_edges): Removed.
4158         (get_new_name_from_old_name): New.
4159         (graphite_rename_variables_in_stmt): Renamed
4160         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4161         Use replace_exp and update_stmt.
4162         (is_old_iv): Renamed is_iv.
4163         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4164         Use replace_exp and update_stmt.
4165         (expand_scalar_variables_expr): Same.  Use the map to get the
4166         new names for the renaming of induction variables and for the
4167         renaming of variables after a basic block has been copied.
4168         (expand_scalar_variables): Same.
4169         (graphite_rename_variables): Renamed rename_variables.
4170         (move_phi_nodes): Removed.
4171         (get_false_edge_from_guard_bb): New.
4172         (build_iv_mapping): Do not insert the induction variable of a
4173         loop in the renaming iv map if the basic block does not belong
4174         to that loop.
4175         (register_old_new_names, graphite_copy_stmts_from_block,
4176         copy_bb_and_scalar_dependences): New.
4177         (translate_clast): Heavily reimplemented: copy basic blocks,
4178         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4179         At each translation step call graphite_verify ensuring the
4180         consistency of the SSA, loops and dominators information.
4181         (collect_virtual_phis, find_vdef_for_var_in_bb,
4182         find_vdef_for_var_1, find_vdef_for_var,
4183         patch_phis_for_virtual_defs): Removed huge hack.
4184         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4185         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4186         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4187         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4188         if_region_get_condition_block, if_region_set_false_region,
4189         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4190         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4191         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4192         rewrite_into_sese_closed_ssa): New.
4193         (gloog): Remove dead code.  Early return if code cannot be
4194         generated.  Call cleanup_tree_cfg once the scop has been code
4195         generated.
4196         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4197         block loops with less than two loops.
4198         (graphite_apply_transformations): Remove the call to
4199         scop_remove_ignoreable_gbbs.
4200         (limit_scops): When build_scop_loop_nests fails, continue on
4201         the next scop.  Fix open_scop.entry.
4202         (graphite_transform_loops): Call recompute_all_dominators: force the
4203         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4204         Call initialize_original_copy_tables and free_original_copy_tables
4205         to be able to copy basic blocks during code generation.
4206         When build_scop_loop_nests fails, continue on next scop.
4207         (value_clast): New union.
4208         (clast_to_gcc_expression): Fix type cast warning.
4209
4210 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4211
4212         * Merge from mainline (r140838:141727).
4213
4214 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4215
4216         PR middle-end/37833
4217
4218         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4219
4220 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4221
4222         PR middle-end/37943
4223
4224         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4225         exits and conditions.
4226         * testsuite/gcc.dg/graphite/pr37943.c: New.
4227
4228 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4229
4230         PR middle-end/37886
4231         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4232
4233 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4234
4235         * doc/invoke.texi: Fix spaces.
4236
4237 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4238
4239         PR tree-optimization/37891
4240         Reverted last commit.
4241         * graphite.c (create_single_entry_edge): Set
4242         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4243
4244 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4245             Mitul Thakkar  <mitul.thakkar@amd.com>
4246
4247         * graphite.c (create_single_entry_edge): Set
4248         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4249
4250 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4251
4252         * doc/invoke.texi: Add -fgraphite-identity.
4253         * graphite.c (graphite_apply_transformations): Check for
4254         -fgraphite-identity.
4255         * toplev.c (process_options): Add flag_graphite_identity.
4256         * tree-ssa-loop.c: Add flag_graphite_identity.
4257
4258 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4259
4260         Undo changes from 2008-10-02:
4261         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4262         operand type when copying the operand to a variable of different type.
4263         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4264         with the IV name after increment.
4265
4266 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4267             Harsha Jagasia  <harsha.jagasia@amd.com>
4268
4269         PR tree-optimization/37828
4270         * testsuite/gcc.dg/graphite/pr37828.c: New.
4271         * graphite.c (graphite_trans_loop_block): Do not loop block
4272         single nested loops.
4273
4274 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4275             Sebastian Pop  <sebastian.pop@amd.com>
4276
4277         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4278         rename_map_elt_info, eq_rename_map_elts): New.
4279         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4280         (expand_scalar_variables_expr): Change parameters.
4281         (expand_scalar_variables_stmt): Same.
4282         (expand_scalar_variables): Same.
4283         (graphite_rename_ivs): Rename graphite_rename_variables.
4284         (build_iv_mapping): New.
4285         (translate_clast): Call build_iv_mapping.
4286         * graphite.h (gbb_p): New name.
4287
4288 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4289
4290         PR tree-optimization/37684
4291         * gcc.dg/graphite/pr37684.c: New.
4292         * graphite.c (exclude_component_ref): New.
4293         (is_simple_operand): Call exclude_component_ref.
4294
4295 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4296             Harsha Jagasia  <harsha.jagasia@amd.com>
4297
4298         PR tree-optimization/37485
4299         * gcc.dg/graphite/block-2.c: New
4300         * graphite.c (gmp_cst_to_tree): Moved.
4301         (iv_stack_entry_is_constant): New.
4302         (iv_stack_entry_is_iv): New.
4303         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4304         (loop_iv_stack_insert_constant): New.
4305         (loop_iv_stack_pop): Use new datatpype.
4306         (loop_iv_stack_get_iv): Same.
4307         (loop_iv_stack_get_iv_from_name): Same.
4308         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4309         (loop_iv_stack_patch_for_consts): New.
4310         (loop_iv_stack_remove_constants): New.
4311         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4312         (translate_clast): Call loop_iv_stack_patch_for_consts and
4313         loop_iv_stack_remove_constants.
4314         (gloog): Use new datatype.  Redirect construction edge to end
4315         block to avoid accidental deletion.
4316         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4317         iv stack entry.
4318         (union iv_stack_entry_data): New.  Data in iv stack entry.
4319         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4320
4321 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4322
4323         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4324         operand type when copying the operand to a variable of different type.
4325
4326 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4327
4328         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4329         with the IV name after increment.
4330
4331 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4332
4333         * Merge from mainline (r140164:140838).
4334
4335 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4336
4337         * graphite-data-ref.c: New.
4338         * graphite.c (print_scop): Also dump the dependence graph.
4339         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4340         (new_scop): Initialize SCOP_DEP_GRAPH.
4341         (build_scop_dynamic_schedules): New.
4342         (build_access_matrix_with_af): Fixed column numbering.
4343         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4344         * graphite.h: Add ifndef/define guards against multiple inclusion.
4345         (struct scop): Add dep_graph field.
4346         (SCOP_DEP_GRAPH): Defined.
4347         (ref_nb_loops): Fixed and moved to other position.
4348         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4349         (nb_loops_around_loop_in_scop): New.
4350         (graphite_dump_dependence_graph): Declared.
4351         (graphite_build_rdg_all_levels): Declared.
4352         (graphite_test_dependence): Declared.
4353         * Makefile.in (graphite-data-ref.o): New target.
4354
4355 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4356
4357         * Merge from mainline (139870:140164).
4358
4359 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4360
4361         * Merge from mainline (138275:139870).
4362         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4363         the commits from trunk broke the niter detection.
4364
4365 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4366
4367         * graphite.c: Add more documentation.  Fix formatting.
4368         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4369         loop_iv_stack_debug): Moved...
4370         (schedule_to_scattering): Move before use.
4371         (dot_all_scops): Include in "#if 0" the code for system
4372         call dotty.
4373
4374         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4375         loop_iv_stack_debug): ...here.
4376
4377 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4378
4379         * tree-phinodes.c (make_phi_node): Extern.
4380         (add_phi_node_to_bb): New.
4381         (create_phi_node): Call add_phi_node_to_bb.
4382         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4383         (remove_statement): Handle case where stored phi was updated
4384         and is no longer the same.
4385         * graphite.c (is_parameter): New.
4386         (is_old_iv): New.
4387         (expand_scalar_variables_expr): New.
4388         (expand_scalar_variables_stmt): New.
4389         (expand_scalar_variables): New.
4390         (move_phi_nodes): Create new phi instead of moving old one.
4391         (translate_clast): Call expand_scalar_variables.
4392         (find_vdef_for_var_in_bb): Also scan regular definitions.
4393         (skip_phi_defs): New.
4394         (collect_scop_exit_phi_args): New.
4395         (patch_scop_exit_phi_args): New.
4396         (gloog): Patch phis after scop.
4397         * tree-flow.h: (add_phi_node_to_bb): Declared.
4398         (make_phi_node): Declared.
4399
4400 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * graphite.c (end_scop): Split the entry of the scop when it
4403         is the header of the loop in which the scop is ending.
4404         (build_scops_1, limit_scops): Update uses of end_scop.
4405
4406 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4407
4408         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4409         SCOP_ENTRY or SCOP_EXIT.
4410
4411 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4412
4413         * graphite.c (get_construction_edge): Removed.
4414         (gloog): Construction edge is the scop entry edge.
4415
4416 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4417
4418         * graphite.c (can_generate_for_scop): Removed.
4419         (gloog): Do not call it.
4420
4421 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4422
4423         * graphite.c (new_scop): Entry of a scop is an edge.
4424         Initialize SESE region.
4425         (free_scop): Free SESE region.
4426         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4427         (split_difficult_bb): New, split from end_scop.
4428         (end_scop): Exit of a scop is an edge.
4429         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4430         not automatically updated and thus is always wrong.
4431         * graphite.h (struct sese): New.
4432         (SESE_ENTRY): New.
4433         (SESE_EXIT): New.
4434         (struct scop): New field for a SESE region.  Remove entry, exit.
4435         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4436         semantics as before.  Moved comment around.
4437
4438 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4439             Sebastian Pop  <sebastian.pop@amd.com>
4440
4441         * graphite.c (graphite_transform_loops): Always enable gloog
4442         and find_transform when ENABLE_CHECKING.
4443
4444 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4445
4446         * graphite.c (graphite_transform_loops): Move pretty printer
4447         of SCOPs before doing any transform.  Remove call to print_scops
4448         and dot_all_scops_1.
4449
4450 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4451
4452         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4453         (print_graphite_bb): Same.
4454
4455 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4456
4457         * graphite.c (dot_all_scops_1): Cleanup.
4458         (move_scops): Fix comment.
4459
4460 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4461
4462         * graphite.c (build_scop_bbs): Revert commit 139355:
4463
4464         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4465                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4466
4467                 * graphite.c (build_scop_bbs): Factor up code.
4468
4469 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4470
4471         * graphite.c (gloog): Update dominator info.
4472
4473 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4474
4475         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4476
4477 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4478
4479         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4480         initialization.
4481         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4482         (translate_clast): Correct formatting.
4483         * graphite.h (struct num_map): Removed.
4484         (struct graphite_bb): Remove num_map field.
4485         (GBB_INDEX_TO_NUM_MAP): Removed.
4486
4487 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4488
4489         * graphite.c (build_access_matrix_with_af): Fix comments.
4490         (build_scop_data_accesses): Same.
4491
4492 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4493
4494         * graphite.c (build_scop_data_accesses): Don't construct
4495         access matrices.  Add a FIXME and an assert condition that
4496         should pass when the access matrices will be needed.
4497
4498 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4499
4500         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4501         really_constant_p.
4502         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4503         Moved close by free_graphite_bb.
4504         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4505         (new_scop): Move close by free_scop.
4506         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4507
4508 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4509
4510         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4511         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4512         instead of recursive call.
4513         (graphite_translate_clast_equation): New.
4514         (graphite_create_guard_cond_expr): New.
4515         (graphite_create_new_guard): New.
4516         (get_stack_index_from_iv): Removed.
4517         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4518         (get_true_edge_from_guard_bb): New.
4519         (translate_clast): Handle stmt_guard in clast.
4520         (get_construction_edge): Allow construction edge detection for
4521         a scope entry with multiple predecessors if one predecessor is
4522         the immediate dominator of scope entry.
4523         (can_generate_code_stmt): Enable code generation for clast_guard.
4524         (gloog): Use correct context loop.  Removed check for post dominators.
4525         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4526
4527 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4528
4529         * graphite.c (remove_dead_loops): Document better which
4530         loops are removed.
4531
4532 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4533
4534         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4535         and PPLINC.
4536         (graphite.o): Also depends on pointer-set.h.
4537
4538 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4539
4540         * graphite.c (scop_record_loop): Fix compile warning.
4541
4542 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4543             Sebastian Pop  <sebastian.pop@amd.com>
4544
4545         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4546
4547 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4548
4549         * graphite.c (build_graphite_bb): Initialize bb->aux to
4550         point to the graphite_bb_p.
4551         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4552         content of bb->aux.
4553         (add_bb_domains): Does not use the scop parameter.
4554         (graphite_transform_loops): Clean bb->aux at the end.
4555
4556 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4557             Sebastian Pop  <sebastian.pop@amd.com>
4558
4559         * testsuite/lib/target-supports.exp
4560         (check_effective_target_fgraphite): New.
4561
4562         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4563         check_effective_target_fgraphite returns false.
4564         Set dg-do-what-default to compile.
4565         (scan-graphite-dump-times): Removed.
4566         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4567
4568         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4569         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4570         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4571         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4572         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4573         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4574         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4575         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4576         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4577         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4578         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4579         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4580         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4581         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4582         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4583         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4584         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4585         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4586         * testsuite/gcc.dg/graphite/block-0.c: Same.
4587         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4588         * testsuite/gcc.dg/graphite/block-1.c: Same.
4589         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4590         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4591         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4592         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4593         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4594
4595 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         * graphite.c: Fix some XXX comments.
4598         (build_scop_dynamic_schedules): Removed.
4599
4600 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4601
4602         * graphite.h (scop_max_loop_depth): Moved...
4603         * graphite.c (scop_max_loop_depth): ...here.
4604         (remove_all_edges_1): New.
4605         (remove_all_edges): Factored code.
4606         (remove_cond_exprs): Check only the last statement for
4607         a GIMPLE_COND expression.
4608
4609 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4610
4611         * graphite.c (scan_tree_for_params): Early return when the
4612         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4613         (find_scop_parameters): Factor out code.
4614         (graphite_trans_bb_strip_mine): Remove dead code.
4615
4616 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4617
4618         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4619         graphite_trans_bb_move_loop): Factor asserts.
4620         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4621         Do not call calculate_dominance_info and estimate_bb_frequencies.
4622
4623 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4624
4625         * graphite.c (create_loops_mapping, free_loops_mapping,
4626         create_loops_mapping_num, debug_loop_mapping_1,
4627         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4628         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4629         graphite_loops_mapping_add_child_num,
4630         graphite_loops_mapping_insert_child,
4631         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4632         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4633         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4634         create_num_from_index, get_num_from_index,
4635         swap_loop_mapped_depth): Removed.
4636         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4637         (free_scop): Do not call free_loops_mapping.
4638         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4639         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4640         get_loop_mapped_depth.
4641         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4642         (graphite_trans_bb_strip_mine): Same.
4643         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4644         (struct scop): Remove field loops_mapping.
4645
4646 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4647             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4648
4649         * graphite.c (scop_record_loop): Factor out one level of the
4650         condition by early return.
4651         (build_scop_loop_nests): Format following FSF coding style.
4652         (build_scop_dynamic_schedules): Factor out code.
4653         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4654
4655 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4656             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4657
4658         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4659         assignments that are not handled as simple operands for now.
4660
4661 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4662             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4663
4664         * graphite.c (build_scop_bbs): Factor up code.
4665
4666 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4667             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4668
4669         * graphite.c (stmt_simple_for_scop_p): Factor code out
4670         of the loop.
4671         (enum gbb_type): New.  Group all the GBB_* types under it.
4672         (is_loop_exit): Moved...
4673         (end_scop): Enable BB spliting.
4674         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4675         * cfgloop.h (is_loop_exit): Declared.
4676
4677 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4678
4679         * doc/invoke.texi: Remove strides from examples containing
4680         DO loops when the strides are equal to 1.
4681
4682 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4683             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4684
4685         * graphite.c (graphite_trans_scop_block): Or the result with
4686         the result from graphite_trans_loop_block.
4687         * testsuite/gcc.dg/graphite/block-1.c: New.
4688         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4689         * testsuite/gfortran.dg/graphite/block-2.f: New.
4690
4691 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4692
4693         * graphite.c (graphite_transform_loops): Call cloog_initialize
4694         and cloog_finalize.
4695
4696 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4697
4698         * tree-data-ref.c) (stmt_simple_memref_p): New.
4699         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4700         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4701         (is_simple_operand): Call stmt_simple_memref_p.
4702
4703         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4704         using pointer arithmetic, as this is optimized by PRE and
4705         makes the code too difficult to analyze.
4706
4707         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4708
4709 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4710
4711         * gdbinit.in (pgg): New.
4712
4713 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4714
4715         * graphite.c (graphite_trans_loop_block): Fix warning.
4716
4717 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4718
4719         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4720
4721 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4722
4723         * graphite.c (graphite_trans_bb_block): Remove check for
4724         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4725         Check if loop blocking is profitable for every loop, before applying
4726         the changes.
4727         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4728         if flag_loop_block is set.
4729
4730 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4731
4732         * graphite.c: Add some more documentation for the loop
4733         mapping.
4734
4735 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4736
4737         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4738         * graphite.c: Format on less than 80 columns.
4739         * graphite.h: Same.
4740
4741 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4742
4743         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4744
4745 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * doc/invoke.texi (floop-block, floop-strip-mine,
4748         floop-interchange): Update documentation with examples.
4749
4750 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4751
4752         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4753         add_referenced_var.
4754         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4755
4756 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4757
4758         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4759         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4760         * tree-scalar-evolution.c: Revert useless changes.
4761         * tree-phinodes.c: Same.
4762         * cfghooks.c: Same.
4763         * vec.h: Same.
4764         * tree-vectorizer.h: Same.
4765         * tree-flow.h: Same.
4766         * tree-cfg.c: Same.
4767         * common.opt (fgraphite): Update documentation.
4768
4769 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4770
4771         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4772         -floop-interchange): Add more text for explaining what each of these
4773         flags is doing.
4774         * tree-into-ssa.c (gimple_vec): Moved to...
4775         * graphite.c: Include gimple.h.
4776         (gimple_vec): Moved to...
4777         (del_loop_to_cloog_loop): Removed.
4778         (loop_affine_expr): Do not call create_data_ref when the
4779         operand is a constant.
4780         (new_scop): Use free instead of del_loop_to_cloog_loop.
4781         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4782         * gimple.h (gimple_vec): ... here.
4783
4784 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4785
4786         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4787         latch executions.
4788         (build_loop_iteration_domains): Fail, if latch executions unknown.
4789
4790 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4791
4792         * graphite.c (add_conditions_to_domain): New.
4793         (build_scop_conditions_1): Call add_conditions_to_domain.
4794         (set_cloog_options): Allow to disable optimizations.
4795
4796 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4797
4798         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4799         Do not use walk_dominator_tree.
4800         (find_scop_parameters): Do not use walk_dominator_tree.
4801
4802 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4803
4804         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4805         (idx_record_params): Adapt.
4806         * graphite.h (scop_gimple_loop_depth): New.
4807
4808 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4809
4810         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4811         (scan_tree_for_params): Remove value_init.
4812         (build_scop_context): Remove value_init.
4813         (build_loop_iteration_domains): Remove value_init.
4814         (schedule_to_scattering): Remove value_init.
4815         (graphite_trans_bb_strip_mine): Remove value_init.
4816
4817 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4818
4819         * gcc/graphite.c (limit_scops): New.
4820         (graphite_transform_loops): Add limit SCoPs.
4821         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4822         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4823         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4824         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4825         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4826         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4827         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4828         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4829         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4830         Change loop numbers.
4831         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4832         Change loop numbers.
4833         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4834         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4835         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4836         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4837         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4838         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4839         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4840         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4841         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4842         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4843
4844 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4845
4846         * graphite.c (graphite_transform_loops): Call always find_transform.
4847
4848 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4849
4850         * graphite.c (free_loops_mapping): New.
4851         (stmt_simple_for_scop_p): Fix typo.
4852         (stmt_simple_for_scop_p): Fix tuples functions, that
4853         broke polyhedron.
4854         (free_graphite_bb): Fix some memleaks.
4855         (free_scop): Fix some memleaks.
4856         (scopdet_bb_info): Do not forget some tmp SCoPs.
4857         (find_params_in_bb): Fix some memleaks.
4858         (clast_to_gcc_expression): Fix warning.
4859
4860 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4861
4862         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4863         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4864
4865 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4866
4867         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4868         Move code ifdef-ed HAVE_cloog...
4869         * graphite.c: Include toplev.h.
4870         ... here.
4871         * Makefile.in (OBJS-common): Always build graphite.o.
4872         (BACKEND): Remove @GRAPHITE@.
4873         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4874         (graphite.o): Depend on TOPLEV_H.
4875
4876 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4877
4878         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4879         Remove typo left from polylib to ppl conversion.
4880         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4881
4882 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4883
4884         * toplev.c (process_options): Move the graphite loop optimization
4885         flags...
4886         * tree-ssa-loop.c (graphite_transforms): ... here.
4887         When not configured with CLooG, print to dump_file that
4888         Graphite transforms were not performed.
4889         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4890         New.
4891         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4892         scan-graphite-dump-times.
4893
4894 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4895
4896         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4897         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4898
4899 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4900             Jan Sjodin  <jan.sjodin@amd.com>
4901
4902         * configure: Regenerated.
4903         * omp-low.c (expand_omp_sections): Remove now unused code.
4904         * config.in (HAVE_polylib): Removed.
4905         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4906         (PPLLIBS, PPLINC): Added.
4907         * graphite.c: Replace unsigned with int wherever possible.
4908         Don't access Cloog's data structures, but use accessor functions.
4909         Clast's stmt->type is now implemented as a vtable: change the
4910         switches of stmt->type into ifs.
4911         (polylib/polylibgmp.h): Don't include.
4912         (initialize_dependence_polyhedron,
4913         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4914         statement_precedes_p, test_dependence, build_rdg_all_levels,
4915         dump_dependence_graph): Removed until this code is cleaned up
4916         or ported to Cloog.
4917         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4918         (POLYLIBINC): Renamed PPLINC.
4919
4920 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4921             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4922             Jan Sjodin  <jan.sjodin@amd.com>
4923
4924         Finish the merge and tuplification of graphite.
4925
4926 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4927             Jan Sjodin  <jan.sjodin@amd.com>
4928
4929         Partial merge from mainline (138072:138275).
4930         * graphite.c still has to be tuplified.
4931
4932 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4933
4934         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4935         (create_num_from_index): New.
4936         (get_num_from_index): Also pass in the graphite BB.
4937         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4938         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4939         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4940         (is_interchange_valid): Return false when failing.
4941         * graphite.h (struct num_map): New.
4942         (struct graphite_bb): New field num_map.
4943         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4944
4945 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4946
4947         * graphite.c (dump_gbb_conditions): Print also conditions like
4948         "if (a)".  Remove dublicated code and use print_generic_expr ().
4949         (stmt_simple_for_scop_p): Only allow conditions we can handle
4950         {<, <=, >, >=}.
4951
4952 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4953
4954         * graphite.h (struct scop): Removed new_ivs field.
4955         (SCOP_NEWIVS): Deleted.
4956         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4957         clast_to_gcc_expression, graphite_create_new_loop):
4958         Removed use of new_ivs.
4959
4960 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4961
4962         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4963         create_loops_mapping_num, debug_loop_mapping_1): New.
4964         (debug_loop_mapping): Call debug_loop_mapping_1.
4965         (get_loop_mapping_for_num,
4966         graphite_loops_mapping_add_child,
4967         graphite_loops_mapping_add_child_num,
4968         graphite_loops_mapping_insert_child,
4969         graphite_loops_mapping_parent,
4970         split_loop_mapped_depth_for_num,
4971         loop_mapped_depth_split_loop): New.
4972         (increment_loop_mapped_depths): Removed.
4973         (swap_loop_mapped_depth_for_num): Reimplemented.
4974         (new_scop): Call create_loops_mapping.
4975         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4976         (translate_clast): Pass the old loop father in parameter, and pass
4977         it to get_old_iv_from_ssa_name.
4978         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4979         can_generate_code, can_generate_for_scop): New.
4980         (graphite_trans_bb_block): Returns false when it fails to transform.
4981         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4982
4983 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4984
4985         Reverted all the changes related to the streamization and
4986         loop fusion.
4987         These changes are now tracked in the streamization branch.
4988
4989 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4990             Jan Sjodin  <jan.sjodin@amd.com>
4991
4992         * graphite.c (gbb_compare): Correctly constify.
4993         (gbb_can_be_ignored): Indent.
4994         (graphite_trans_scop_swap_1and2): Add legality check.
4995         Remove dead FIXMEs.
4996
4997 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4998
4999         Remove fallouts from "Reverted the Condate changes".
5000         * tree.h: Remove unused decl.
5001         * testsuite/gcc.dg/tree-checker: Same.
5002         * timevar.def: Remove counter.
5003
5004 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5005
5006         * Merge from mainline (135673:138072).
5007
5008         Reverted the MIRO changes (from 2008-04-05) that are now
5009         tracked in the miro branch.
5010         * tree-bounds.c: Removed.
5011         * tree-bounds.h: Removed.
5012
5013         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5014         are now tracked in the condate branch.
5015         * tree-check.c: Removed.
5016         * tree-match.c: Removed.
5017         * condate.y: Removed.
5018
5019 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5020
5021         * common.opt: New user flag -floop-block, -floop-strip-mine
5022         and -floop-interchange.
5023         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5024         graphite loop optimization flags is turned on.
5025         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5026         flag_loop_strip_mine and flag_loop_interchange checks before
5027         optimizations.
5028         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5029         -floop-strip-mine and -floop-interchange.
5030         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5031         -fgraphite.
5032         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5033         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5034         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5035
5036 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5037             Sebastian Pop  <sebastian.pop@amd.com>
5038
5039         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5040         (create_empty_loop_on_edge): More fixes.
5041         * tree-phinodes.c (resize_phi_node): Extern.
5042         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5043         * cfghooks.c (update_dominator_information): New split from
5044         split_edge.
5045         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5046         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5047         successor of the function entry block.
5048
5049         * graphite.c: Include pointer-set.h.
5050         (debug_loop_mapping, increment_loop_mapped_depths,
5051         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5052         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5053         swap_loop_mapped_depth_for_num, get_num_from_index,
5054         swap_loop_mapped_depth, loop_iv_stack_debug,
5055         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5056         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5057         get_old_iv_from_ssa_name): New.
5058         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5059         (free_scop): Free SCOP_LOOPS_MAPPING.
5060         (scop_record_loop): Record old ivs.
5061         (create_var_name): Removed.
5062         (initialize_cloog_names): Allocate double space in case strip mine
5063         applies to all loops once.
5064         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5065         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5066         translation.
5067         (graphite_create_new_loop): Pass in ivstack.
5068         (remove_all_edges): Pass in the construction_edge.
5069         (graphite_remove_iv): Removed.
5070         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5071         remove_cond_exprs): Rewritten.
5072         (move_phi_nodes): New.
5073         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5074         (translate_clast): Pass in ivstack.  Rewrite some cases.
5075         (set_cloog_options, debug_clast_stmt): New.
5076         (find_transform): Use set_cloog_options.
5077         (outermost_loop_layer): Removed.
5078         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5079         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5080         mark_old_loops, remove_dead_loops): New.
5081         (gloog): Rewritten.
5082         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5083         (const_column_index, get_first_matching_sign_row_index,
5084         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5085         get_upper_bound): New.
5086         (graphite_trans_bb_strip_mine): Also update the iv map.
5087
5088         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5089         (struct name_tree): Add a loop field.
5090         (struct scop): Add a graphite_loops_mapping field.
5091         (SCOP_LOOPS_MAPPING): New.
5092         (debug_clast_stmt): Declare.
5093         * lambda.h (find_induction_var_from_exit_cond): Declare.
5094         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5095         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5096         (create_empty_loop_on_edge): Updated.
5097         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5098         rename_variables_in_bb): Declare.
5099         * tree-cfg.c (remove_bb): Extern.
5100
5101         * testsuite/gcc.dg/graphite/block-0.c: New.
5102
5103 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5104             Sebastian Pop  <sebastian.pop@amd.com>
5105
5106         * graphite.c (strip_mine_profitable_p): New.
5107         (graphite_trans_bb_block): Disable strip mining if not profitable.
5108
5109         * testsuite/gcc.dg/graphite/scop-18.c: New.
5110         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5111         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5112
5113 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5114             Jan Sjodin  <jan.sjodin@amd.com>
5115             Sebastian Pop  <sebastian.pop@amd.com>
5116
5117         * graphite.c (is_interchange_valid): New.
5118         (graphite_trans_bb_block): Check loop nest of basic block for legality
5119         of interchange.
5120
5121         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5122         outer_most_loop, gbb_outer_most_loop_index): New.
5123
5124         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5125         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5126         * testsuite/gcc.dg/graphite/scop-16.c: New.
5127         * testsuite/gcc.dg/graphite/scop-17.c: New.
5128
5129 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5130
5131         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5132         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5133
5134 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5135
5136         * graphite.c (new_scop): Initialize SCOP_EXIT.
5137         (scopdet_info): Add.
5138         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5139         (build_scops_1): Cleanup, bugfixes.
5140         (build_scops): Cleanup.
5141
5142         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5143         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5144
5145 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5146
5147         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5148
5149         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5150         DEFAULT_GRAPHITE_FLAGS.
5151
5152         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5153
5154 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5155
5156         * graphite.c (scan_tree_for_params): Do not assert any more if
5157         MULT_EXPR parameter is negative.
5158
5159         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5160
5161         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5162
5163         * testsuite/gcc.dg/graphite/scop-15.c: New.
5164
5165 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5166
5167         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5168
5169 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5170
5171         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5172         graphite_swap_loops.
5173         (graphite_trans_bb_move_loop): New.
5174         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5175         (graphite_trans_bb_block): New.
5176         (graphite_trans_loop_block): New.
5177         (graphite_trans_scop_swap_1and2): Rename from
5178         graphite_trans_swap_1and2.
5179         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5180         (graphite_trans_scop_block): New.
5181         (graphite_apply_transformations): Rename from
5182         graphite_transformations.
5183
5184         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5185
5186 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5187
5188         * graphite.c (gbb_compare): New.
5189         (graphite_sort_gbbs): New.
5190         (gbb_can_be_ignored): New.
5191         (scop_remove_ignoreable_gbbs): New.
5192         (graphite_transformations): Cleanup and add
5193         scop_remove_ignoreable_gbbs.
5194         * lambda.h (lambda_vector_compare): New.
5195
5196 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5197
5198         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5199         (graphite_swap_loops): int -> unsigned
5200         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5201         (graphite_transformations): New.
5202         (graphite_transform_loops): Move to graphite_transformations.
5203         * graphite.h (gbb_nb_loops): Return unsigned.
5204
5205 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5206
5207         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5208         the domain matrix.  This makes scop-0.c work again.
5209
5210 2008-06-20  Richard Guenther  <rguenther@suse.de>
5211
5212         * graphite.h: Adjust copyright to GPLv3.
5213         * graphite.c: Likewise.
5214         (stmt_simple_memref_for_scop_p): Split out from ...
5215         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5216         and simplify.
5217         (get_bb_type): Optimize.
5218         (is_pred): Remove.
5219         (is_bb_addable): Fix memleak, replace is_pred call with
5220         single_pred.
5221         (build_scops): Use current_loops.
5222         (param_index): Fix memleak.
5223
5224 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5225
5226         * graphite.c: Fix formatting.
5227
5228 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5229
5230         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5231         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5232         (create_var_name, save_var_name): Newly defined functions.
5233         (initialize_cloog_names): Part of the code factored out to
5234         save_var_name.
5235         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5236         in clast_reduction statement.
5237         (graphite_create_new_loop): Now takes a new parameter
5238         for outer_loop.
5239         (translate_clast): Now also takes the context_loop and bb_exit
5240         parameters. Rewritten the code so that it creates a gimple code
5241         inside the given context.
5242         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5243         remove_cond_expr, disconnect_cond_expr,
5244         disconnect_virtual_phi_nodes): Newly defined functions.
5245         * graphite.h (struct scop): added old_ivs vector.
5246         SCOP_OLDIVS: New macro.
5247
5248 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5249
5250         * cfgloopmanip.c: Add missing function comments, fix formatting.
5251
5252 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5253
5254         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5255         (create_empty_loop_on_edge): Defined.
5256         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5257         instead of void.
5258         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5259         (update_dominators_in_loop): Declared as extern
5260         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5261
5262 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5263
5264         * graphite.c (print_graphite_bb): Allow changing number of loops
5265         in SCoP domain.
5266         (initialize_cloog_names): Allow changing number of loops.
5267         (build_cloog_prog): Simplify.
5268         (find_transform): Enable cloog option --strides.
5269         (graphite_swap_loops): New.
5270         (graphite_strip_mine_loop): New.
5271         (graphite_trans_swap_1and2): New.
5272         (graphite_trans_strip): New.
5273         (graphite_transform_loops): Add graphite_trans_strip.
5274         * graphite.h (scop_max_loop_depth): New.
5275
5276 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5277
5278         * graphite.c (build_scop_iteration_domain): Remove forgotten
5279         line. (Fixes compile)
5280
5281 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5282
5283         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5284         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5285         (build_bb_loops): New.
5286         (graphite_transform_loops): Add build_bb_loops.
5287         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5288         numbers.
5289         * graphite.h (graphite_bb): Add loops.
5290         (gbb_nb_loops): New.
5291         (gbb_loop_at_index): New.
5292         (gbb_loop_index): New.
5293         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5294         using nb_params_in_scop.
5295
5296 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5297
5298         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5299         (build_scop_canonical_schedules): Build minimized schedule.
5300         (schedule_to_scattering): Adapt to minimized schedule.
5301         * graphite.h (graphite_bb): Add/Update descriptions.
5302
5303 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5304             Tobias Grosser  <grosser@fim.uni-passau.de>
5305
5306         * graphite.c (print_graphite_bb): Add condition printing.
5307         (dump_value): New.
5308         (dump_gbb_conditions): New.
5309         (build_scop_conditions_1): New.
5310         (build_scop_conditions): New.
5311         * graphite.h (graphite_bb): Add conditions.
5312
5313 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5314
5315         * graphite.c (print_graphite_bb):
5316         (free_graphite_bb): New.
5317         (free_scop): Free bbs.
5318         (get_bb_type): Free doms.
5319         (build_scop_context): Free context matrix.
5320         (build_loop_iteration_domains): Remove unused code.
5321         (build_cloog_prog): Free scattering function and blocklist.
5322         (find_transform): Free options.
5323
5324 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5325
5326         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5327         Remove unnecessery cloog data structures. Make a copy of the domain
5328         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5329         unnecessary cloog data structures. Fix memory leaks. Remove insert
5330         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5331         used.
5332         (build_scop_iteration_domain): Remove unnecessary cloog
5333         data structures.  Fix memory leaks.
5334         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5335         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5336
5337 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5338
5339         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5340
5341 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5342
5343         * graphite.c (end_scop): Style fix.
5344         (schedule_to_scattering): Style and comment fix.
5345
5346 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5347         * graphite.c (print_graphite_bb): Fix definiton of
5348         schedule_to_scattering.
5349         (initialize_cloog_names): Change nb_scattdims to max loop
5350         depth in SCoP.
5351         (schedule_to_scattering): Take parameter for number of scattering
5352         dimensions.
5353         (build_cloog_prog): Only build as much scattering dimensions as
5354         necessary.
5355
5356 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5357
5358         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5359         in polyhedron/aermod.f90.
5360
5361 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5362             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5363             Harsha Jagasia  <harsha.jagasia@amd.com>
5364
5365         * graphite.c (is_bb_addable): Fix segfault.
5366
5367 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5368
5369         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5370         with multiple exits and conditional handling in edge cases.
5371         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5372
5373         * testsuite/gcc.dg/graphite/scop-14.c: New.
5374
5375 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5376             Adrien Eliche  <aeliche@isty.uvsq.fr>
5377
5378         * graphite.c (is_bb_addable): Add more comments and enhance
5379         readablity of the source code. Fix memory leak.
5380         (is_loop_exit): Fix memory leak.
5381
5382 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5383
5384         * graphite.c (first_loop_in_scop): Deleted.
5385         (setup_cloog_loop): Only walk the loop chain for inner loops.
5386         (build_scop_iteration_domain): Execute setup_cloog_loop for
5387         all loops in the first layer.
5388
5389 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5390
5391         * graphite.c (scan_tree_for_params): Change the way params are
5392         added to be indepenent of the number of loops.
5393         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5394         handling.
5395         (build_cloog_prog): Revert to short matrix format.
5396
5397 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5398             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5399
5400         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5401         warning.
5402
5403 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5404
5405         * graphite.c (nb_data_refs_in_scop): New.
5406         (graphite_transform_loops): Print more stats: number of
5407         loops, basic blocks and data references per scop.
5408
5409 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5410             Jan Sjodin  <jan.sjodin@amd.com>
5411
5412         * graphite.c (loop_affine_expr, idx_record_params,
5413         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5414         instead of instantiate_parameters.
5415
5416 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5417
5418         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5419         add support for parameters, add STATIC_SCHEDULE at the right places,
5420         cleanup.
5421
5422 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5423
5424         * graphite.c (build_scop_loop_nests): Only add the loops, that
5425         are contained completely in the SCoP.
5426         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5427         and the domains are fixed.
5428         (build_scop_canonical_schedules): Add support for bbs not contained
5429         in any SCoP.
5430
5431 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5432
5433         * graphite.h (scop_contains_loop): Update comments to match
5434         the actual behavior.
5435         (scop_contains_loop): New.
5436         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5437
5438 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5439
5440         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5441         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5442         as GBB_COND_HEADER.
5443
5444 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5445             Tobias Grosser  <grosser@fim.uni-passau.de>
5446
5447         * graphite.c (graphite_transform_loops): Early return when
5448         there are no loops in the function.
5449
5450 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5451             Jan Sjodin  <jan.sjodin@amd.com>
5452
5453         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5454         offset of the last loop.
5455         (setup_cloog_loop): Copy the entire outer constraint matrix.
5456
5457 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5458             Jan Sjodin  <jan.sjodin@amd.com>
5459
5460         * graphite.c (stmt_in_scop_p, function_parameter_p,
5461         invariant_in_scop_p): Removed.
5462         (scan_tree_for_params): Can be used with no constraint
5463         matrix for gathering parameters.
5464         (idx_record_params): Don't use idx_record_param, instead use
5465         scan_tree_for_params.
5466         (find_scop_parameters): Same.
5467         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5468         Fix the size of loop domains.
5469         (schedule_to_scattering): Exit when the outer loop is not in scop.
5470         (find_transform): Enable build_cloog_prog.
5471
5472 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5473             Jan Sjodin  <jan.sjodin@amd.com>
5474
5475         * graphite.c (schedule_to_scattering): Make scattering domains
5476         uniformly of the same size, as required by CLooG 0.14.0 and before.
5477
5478 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5479             Jan Sjodin  <jan.sjodin@amd.com>
5480
5481         * graphite.c (schedule_to_scattering): Rewrite, correct the
5482         translation of the scheduling function to scattering.
5483         (build_cloog_prog): Call schedule_to_scattering only once.
5484         * graphite.h (scop_loop_index): Do not fail for loops not
5485         in the scop: return -1.
5486
5487 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5488
5489         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5490         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5491         (setup_cloog_loop): Export GBB_DOMAIN.
5492         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5493         able to rebuild the original control flow.
5494         * graphite.h (graphite_bb): Add domain field and access macro.
5495         (GBB_DOMAIN): New.
5496
5497 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5498
5499         * graphite.c (debug_gbb): New.
5500         (print_scop, build_graphite_bb): Use SCOP_BBS.
5501         (build_scop_bbs): Reimplemented.
5502         (dfs_bb_in_scop_p): Removed.
5503         (build_scop_loop_nests): Reorder loops inserted in
5504         SCOP_LOOP_NEST: outer loops should come first.
5505         (build_scop_canonical_schedules): Reinitialize at zero
5506         the components of the SCOP_STATIC_SCHEDULE for the loops
5507         that have already been parsed.
5508
5509         * graphite.h (debug_gbb): Declared.
5510
5511 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5512             Jan Sjodin  <jan.sjodin@amd.com>
5513
5514         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5515         (graphite_loop_to_gcc_loop): Removed.
5516         (remove_all_edges): New.
5517         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5518         (gloog): Remove useless code.
5519
5520 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5521
5522         * graphite.c (get_bb_type): Reworked. We distinguish between
5523         loops with one or multiple exits.
5524         (is_loop_exit): New.
5525         (is_pred): New.
5526         (is_bb_addable): Rework condition handling, now support for case
5527         case statements and loops with multiple exits.
5528
5529         * testsuite/gcc.dg/graphite/scop-11.c: New.
5530         * testsuite/gcc.dg/graphite/scop-12.c: New.
5531         * testsuite/gcc.dg/graphite/scop-13.c: New.
5532
5533 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5534
5535         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5536         we have too many colors.
5537
5538 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5539
5540         * doc/invoke.texi (-ftree-loop-fusion): Document.
5541         * tree-pass.h (pass_loop_fusion): Declared.
5542         * tree-loop-fusion.c: New.
5543         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5544         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5545         * tree-data-ref.h (find_data_references_in_loop): Declared.
5546         * common.opt (ftree-loop-fusion): Declared.
5547         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5548
5549 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5550
5551         * graphite.c (build_access_matrix): Fix typo from the merge.
5552
5553 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5554
5555         * Merge from mainline (130800:135673).
5556
5557 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5558
5559         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5560         Update dominators after splitting.
5561
5562 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5563
5564         * graphite.c (is_bb_addable): Return the harmful statement.
5565         Factor up some code.
5566         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5567         (build_scops_1): Call end_scop.
5568
5569 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5570
5571         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5572         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5573         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5574         build_scops_1): Removed.
5575         (build_scops_2): Renamed build_scops_1.
5576
5577 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579         * graphite.c: Fix formatting.
5580
5581 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5582
5583         * graphite.c (get_bb_type): New.
5584         (move_scops): New.
5585         (build_scops_2): New.
5586         (is_bb_addable): New.
5587         (build_scops): Switch the scop detection.
5588         (build_scop_bbs): Add entry bb to scop.
5589         * graphite.h (struct scop): Update comment.
5590
5591 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5592
5593         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5594         more colors.
5595
5596 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5597
5598         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5599         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5600         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5601         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5602         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5603
5604 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5605
5606         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5607         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5608         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5609         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5610         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5611
5612 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5613
5614         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5615         Check affine expressions depending on the outermost loop
5616         instead of a scop.
5617         (stmt_simple_for_scop_p): Same.
5618         (harmfule_stmt_in_scop): Same.
5619
5620 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5621
5622         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5623         mark entry and exit, that are not part of the SCoP and update HTML
5624         formatting.
5625
5626 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5627
5628         * graphite.c (basic_block_simple_for_scop_p): Renamed
5629         harmful_stmt_in_bb.
5630         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5631         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5632         (all_preds_visited_p, all_succs_visited_p,
5633         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5634         scop_end_loop): New.
5635         (build_scops): Do not use dfs_enumerate_from.
5636
5637         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5638
5639 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5640
5641         * graphite.c: Add comments to functions that are missing a
5642         description.
5643         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5644
5645 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5646
5647         * graphite.c (nb_params_in_scop): Moved...
5648         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5649         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5650         (clast_to_gcc_expression): Reduce column size to less than 80.
5651         (graphite_create_iv): Return the new name of the IV.
5652         (find_transform): Set options->esp and options->cpp.
5653         (gloog): Comment out the invalidation of the old loop code.
5654         (initialize_dependence_polyhedron): Replace scop_nb_params with
5655         nb_params_in_scop.
5656
5657         * graphite.h (nb_params_in_scop): ... here.
5658         (scop_nb_params): Removed.
5659         (loop_domain_dim): Return something even when the loop was not
5660         found in the hash table: avoid ICEing on all the graphite.exp
5661         testcases.
5662
5663 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5664
5665         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5666
5667         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5668         according to nesting level.
5669         (find_scop_parameters): Call instantiate_parameters.
5670         (scan_tree_for_params): Extend it to handle general affine bounds.
5671         Inner loop bound can depend on outer loop induction variable.
5672         (setup_cloog_loop): tmp variable is allocated on stack. Call
5673         instantiate_parameters with respect to outermost_loop_in_scop.
5674         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5675         graphite.h.
5676         (create_empty_loop): Function loopify should be given edge
5677         probability, instead of edge frequency. Dominance relation from
5678         switch_bb to loop_header.
5679         (clast_to_gcc_expression): Added handling of clast_reduction node.
5680         (gloog): New functionality for removing old loop.
5681         (test_dependence): Factored out from build_rdg_all_levels.
5682         (build_rdg_all_levels): Dependence testing factored out to
5683         test_dependence function.
5684
5685         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5686         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5687         from graphite.c
5688
5689 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5690
5691         * graphite.c (free_scop, param_index, initialize_cloog_names,
5692         nb_params_in_scop): Use name_tree map instead of just a tree
5693         for keeping track of the variable name associated to that tree.
5694         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5695         clast_to_gcc_expression, graphite_create_iv,
5696         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5697         graphite_stmt_to_gcc_stmt): New.
5698         (gloog): Call these.
5699         * graphite.h (struct name_tree): New.
5700         (struct scop): Use name_tree instead of tree for params.
5701         Store a vector of name_tree for new_ivs.
5702         (SCOP_NEWIVS): New.
5703         (scop_nb_params): Use name_tree instead of tree.
5704
5705 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5706             Sebastian Pop  <sebastian.pop@amd.com>
5707
5708         * tree-bounds.c: New.
5709         * tree-bounds.h: New.
5710         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5711         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5712         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5713         flag_mudflap.
5714         * gcc.c: Same.
5715         * toplev.c: Same.
5716         * c-cppbuiltin.c: Same.
5717         * c-pragma.c: Same.
5718         * common.opt: Same.
5719         * varasm.c: Same.
5720         * tree-outof-ssa.c: Same.
5721         * c-common.c: Same.
5722         * Makefile.in: Same.
5723
5724 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5725             Sebastian Pop  <sebastian.pop@amd.com>
5726
5727         * tree-loop-distribution.c (remaining_stmts,
5728         upstream_mem_writes): Removed static variables.
5729         (copy_loop_before, create_bb_after_loop,
5730         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5731         rdg_build_components, rdg_build_partitions,
5732         dump_rdg_partitions): Extern.
5733         (generate_loops_for_partition, generate_code_for_partition): Do not
5734         return a bool.
5735         (already_processed_vertex_p, predecessor_has_mem_write,
5736         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5737         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5738         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5739         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5740         Pass remaining_stmts and upstream_mem_writes as parameters.
5741         (rdg_component): Moved...
5742         (build_rdg_partition_for_component): Do not aggregate components when
5743         flag_streamize_loops is set.
5744         (gen_sequential_loops): New.
5745         (ldist_gen): Call gen_sequential_loops.
5746
5747         * tree-pass.h (pass_loop_streamization): Declared.
5748
5749         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5750         basic blocks when loops structures exist.
5751
5752         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5753
5754         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5755
5756         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5757         eliminate_local_variables_stmt, eliminate_local_variables,
5758         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5759         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5760         of code delimited by two edges in the CFG.
5761         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5762         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5763         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5764         the case of parallelisation of reductions.
5765         (create_loop_fn): Extern.
5766         (create_omp_parallel_region): New.
5767
5768         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5769         dump_data_reference for printing dra and drb.
5770         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5771         RDGE_RELATION.
5772         (build_rdg): Don't call free_dependence_relations for the moment, as
5773         we attach dependence relations on each edge of the RDG.
5774         To be fixed later.
5775
5776         * tree-data-ref.h (rdg_component): ...here.
5777         (struct rdg_edge): New field ddr_p relation.
5778         (RDGE_RELATION): New.
5779         (create_bb_after_loop, copy_loop_before,
5780         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5781         rdg_build_partitions, dump_rdg_partitions,
5782         free_rdg_components): Declared.
5783
5784         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5785         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5786
5787         * tree-loop-streamization.c: New.
5788
5789         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5790         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5791
5792         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5793
5794         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5795
5796         * passes.c: Schedule pass_loop_streamization.
5797
5798 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5799
5800         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5801         update comment.
5802
5803 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5804
5805         * graphite.c (dot_all_scops): Update formatting.
5806         Bbs can now be part of more than one SCoP.
5807
5808 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5809
5810         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5811         malloc problems.
5812         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5813         * graphite.h (loop_to_cloog_loop): New.
5814
5815 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5816
5817         * graphite.c (loop_domain_dim, ref_nb_loops,
5818         loop_iteration_vector_dim): New.
5819         (build_access_matrix_with_af, build_access_matrix,
5820         initialize_dependence_polyhedron): Fixed for new matrix layout.
5821         No longer assume that all iteration domains are of the same
5822         dimensionality.
5823
5824 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5825
5826         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5827         defined in a loop at depth 0 is invariant.
5828         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5829         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5830         be called at loop depth 0.
5831
5832         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5833         a parameter.
5834         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5835         (down_open_scop): Removed.
5836         (loop_in_scop_p): Redefined.
5837         (scop_affine_expr): New argument: scop.
5838         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5839         a harmful statement ending a scop.
5840         (basic_block_simple_for_scop_p): New argument: scop.
5841         (get_loop_start): Removed.
5842         (new_scop): Initialize SCOP_LOOPS.
5843         (free_scop): Free SCOP_LOOPS.
5844         (succs_at_same_depth, preds_at_same_depth): New.
5845         (end_scop): Test the validity of a scop.
5846         (add_dominators_to_open_scops): New.
5847         (test_for_scop_bound): Call add_dominators_to_open_scops.
5848         Add cases for opening and closing multiple scops.
5849         (build_scops, build_scop_bbs): Iterate over basic blocks in
5850         depth first order.
5851         (build_graphite_bb): Pass scop directly.
5852         (dfs_bb_in_scop_p): New.
5853         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5854         several times.
5855         (nb_loops_around_gb): Use loop_in_scop_p.
5856         (schedule_to_scattering): Disabled for the moment the code computing
5857         the "textual order for outer loop".
5858
5859         * graphite.h (struct scop): New field loops.
5860         (SCOP_LOOPS): New.
5861         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5862
5863         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5864
5865 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5866             Sebastian Pop  <sebastian.pop@amd.com>
5867
5868         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5869         * common.opt (fstreamize-loops): New.
5870         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5871         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5872         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5873         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5874
5875 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5876
5877         * tree-data-ref.c (build_empty_rdg): New.
5878         (build_rdg): Use it.
5879         * tree-data-ref.h (build_empty_rdg): Declared.
5880         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5881         (find_vertex_for_stmt): Removed.
5882         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5883
5884 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5885
5886         * tree-loop-distribution.c (generate_builtin): After cancelling the
5887         loop tree, also delete basic blocks.
5888         (rdg_flag_uses): Stop recursion when a vertex has already been
5889         processed.
5890
5891 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5892
5893         * graphite.c (build_scop_alpha): Removed.
5894         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5895         and dump_dependence_graph to avoid compiler warnings.
5896
5897 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5898
5899         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5900         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5901         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5902         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5903         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5904         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5905         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5906         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5907         dump_dependence_graph): New.
5908         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5909         (GBB_ALPHA): New.
5910         (struct scop): New field loop2cloog_loop.
5911         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5912         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5913
5914 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5915
5916         * graphite.c (build_graphite_bb): Fix initialization
5917         of the graphite basic block.
5918
5919 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5920
5921         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5922         loop domain matrix.  Pass in the number of loops contained in the
5923         constraint matrix.
5924         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5925         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5926         loops that are not surrounding the current loop are not represented
5927         in the domain constraint matrix.
5928         (build_scop_iteration_domain): Initial domain constraint matrix
5929         contains only the eq/ineq, cst, and scop parameters columns.
5930
5931 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5932
5933         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5934         (print_graphite_bb): Print scattering.
5935
5936 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5937
5938         * graphite.c (initialize_cloog_names): Initialize names of
5939         scattering variables.
5940
5941 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5942
5943         * graphite.c (dot_all_scops_1): Disable debug output while
5944         printing graph.
5945
5946 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5947
5948         * graphite.c (find_transform): Change cloog output language to C.
5949
5950 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5951
5952         * tree-loop-distribution.c (generate_memset_zero,
5953         generate_builtin, generate_code_for_partition,
5954         rdg_flag_all_uses): New.
5955         (rdg_flag_uses): Gather in the same partition the statements defining
5956         the VUSES of the current statement.
5957         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5958         Gather in the same partition not only the stores to the same memory
5959         access, but also the reads.
5960         (ldist_generate_loops): Renamed ldist_gen.
5961
5962 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5963             Tobias Grosser  <grosser@fmi.uni-passau.de>
5964
5965         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5966         next pointer, don't use the inner pointer.
5967
5968 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5969
5970         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5971         (find_transform): Call dot_all_1.
5972         * graphite.h (dot_all_scops): Declared.
5973
5974 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5975
5976         * tree-loop-distribution.c: Fix apsi.f ICE.
5977         (create_bb_after_loop): New.
5978         (generate_loops_for_partition): Use it.
5979         * testsuite/gfortran.dg/ldist-1.f90: New.
5980
5981         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5982         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5983
5984 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5985
5986         * graphite.c (find_transform): Dump cloog program sent to cloog.
5987
5988 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5989
5990         * graphite.c (initialize_cloog_names): Initialize cloog
5991         iterator names.
5992
5993 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5994
5995         * graphite.c (build_scop_context): Fix typo, for the matrix
5996         format: insert '0 >= 0' instead of '-1 >= 0'.
5997
5998 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5999
6000         * Fix merge problems.
6001
6002 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6003
6004         * graphite.c (setup_cloog_loop): Fix typo.
6005
6006 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6007
6008         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6009         * tree-loop-distribution.c: Reimplemented.
6010         * tree-pass.h (pass_loop_distribution): New.
6011         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6012         print_loops.
6013         * graphds.h (struct graph): New field indexes.
6014         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6015
6016         * tree-vect-analyze.c: Remove declaration of static functions when not
6017         needed.
6018         * tree-vectorizer.c: Same.
6019         (rename_variables_in_loop): Now extern.
6020         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6021         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6022         calling redirect_edge_and_branch_force.
6023
6024         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6025
6026         * tree-data-ref.c: Don't include tree-chrec.h.
6027         (debug_data_dependence_relations): New.
6028         (dump_data_dependence_relation): Call dump_data_reference on data refs
6029         in the relation.
6030         (same_access_functions): Moved...
6031         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6032         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6033         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6034         struct rdg_vertex_info, ): New.
6035         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6036         at DDR_REVERSED_P.
6037         (create_rdg_vertices): Initialize the htab of graph->indexes.
6038         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6039         (stmts_from_loop): Don't save LABEL_EXPR.
6040         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6041         hash_stmt_vertex_del): New.
6042         (build_rdg): Initialize rdg->indexes.
6043         (free_rdg, stores_from_loop, ref_base_address,
6044         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6045         have_similar_memory_accesses_1, ref_base_address_1,
6046         remove_similar_memory_refs): New.
6047
6048         * tree-data-ref.h: Include tree-chrec.h.
6049         (debug_data_dependence_relations): Declared.
6050         (same_access_functions): ...here.  Now static inline.
6051         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6052         ddr_dependence_level): New.
6053         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6054         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6055         RDG_MEM_READS_STMT): New.
6056         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6057         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6058         rdg_vertex_for_stmt): Declared.
6059         (struct rdg_edge): New field level.
6060         (RDGE_LEVEL, free_rdg): New.
6061         (stores_from_loop, remove_similar_memory_refs,
6062         rdg_defs_used_in_other_loops_p,
6063         have_similar_memory_accesses): Declared.
6064         (rdg_has_similar_memory_accesses): New.
6065
6066         * lambda.h (dependence_level): New.
6067         * common.opt (ftree-loop-distribution): New.
6068         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6069         (print_loop_ir): Renamed print_loops.
6070         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6071         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6072         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6073         (tree-loop-distribution.o): Added.
6074         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6075         (mark_virtual_ops_in_bb): New.
6076         (print_loops_bb, debug_loop_num, debug_loop): New.
6077         * passes.c: Scheduled pass_loop_distribution.
6078
6079 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6080
6081         * graphite.c (scan_tree_for_params): Correct the number of columns
6082         for polylib format.
6083         (nb_flat_iterator): New.
6084         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6085         (build_scop_iteration_domain): Correct the number of columns for
6086         polylib format.
6087
6088 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6089
6090         * Merge from mainline (129697:130800).
6091
6092 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6093
6094         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6095         dominated by SCoP's exit.
6096         (graphite_transform_loops): Compute post dominators.
6097
6098 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6099
6100         * Merge from mainline (127169:129697).
6101
6102 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6103
6104         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6105         parameter for the basic block that contains the expression.  Use
6106         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6107         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6108         the expression.
6109         * graphite.h (gbb_loop): New.
6110         (GBB_LOOP): Removed.
6111
6112 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6113
6114         * Makefile.in: Fix merge problem.
6115
6116 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6117
6118         * Merge from mainline (125309:127169).
6119         * tree-loop-distribution.c: Disabled.
6120
6121 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6122
6123         * Merge from mainline (r123693:125309).
6124
6125 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6126
6127         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6128         correct_modify_p
6129         (correct_modify_p, check_statements, number_of_lvalue_uses,
6130         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6131         instead of MODIFY_EXPR.
6132         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6133         and push new edges.
6134
6135 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6136
6137         * tree-loop-distribution.c (struct rdg): Replace arrays by
6138         VECs for edges and vertices.
6139         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6140         (RDGV_NB_PARTITIONS): New.
6141         (PRDG_NBV, PRDG_NBE): Removed.
6142         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6143         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6144         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6145
6146 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6147             Sebastian Pop  <sebpop@gmail.com>
6148
6149         * doc/invoke.texi (-ftree-loop-distribution): Document.
6150         * tree-loop-distribution.c: New file.
6151         * tree-pass.h (pass_loop_distribution): Declared.
6152         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6153         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6154         and set reversed_p.
6155         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6156         (DDR_REVERSED_P): New.
6157         * common.opt (-ftree-loop-distribution): New.
6158         * tree-flow.h (distribute_loops): Declared.
6159         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6160         * passes.c (init_optimization_passes): Schedule loop distribution.
6161
6162 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6163
6164         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6165         (print_scop): Don't print when scop is NULL.
6166         (build_scop_context, find_transform): Don't output to stderr.
6167
6168 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6169
6170         * tree-data-ref.c: Don't include graphite.h.
6171         Comment out the code for printing data reference's scop.
6172         (build_access_matrix_with_af): Moved...
6173         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6174         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6175         (print_graphite_bb): Print basic block's schedule.
6176         (print_scop): Don't print the schedule, call cloog's pretty printer.
6177         (bb_in_scop_p): A basic block is in a scop only if it is both
6178         dominated and postdominated by the scop's entry and exit basic blocks.
6179         (function_parameter_p): New.
6180         (invariant_in_scop_p): Use function_parameter_p.
6181         (new_scop, save_scop): New.
6182         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6183         save_scop.
6184         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6185         (loop_in_scop_p): New.
6186         (scop_record_loop): Use loop_in_scop_p.
6187         (build_scop_domain): Renamed build_scop_iteration_domain.
6188         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6189         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6190         setup_cloog_loop, dot_scop_1, dot_scop): New.
6191         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6192         (struct scop): Add a pointer to cloog's representation of a program.
6193
6194 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6195
6196         * doc/invoke.texi (-ftree-check-verbose): Renamed
6197         -ftree-checks-verbose.
6198         * common.opt (flag_tree_check_verbose): Renamed
6199         flag_tree_checks_verbose.
6200         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6201
6202 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6203
6204         * configure: Regenerated.
6205         * config.in: Regenerated.
6206         * tree-ssa-loop.c (graphite_transforms): Execute
6207         graphite_transform_loops only when HAVE_cloog.
6208         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6209         * graphite.c: Include polylibgmp.h and cloog.h.
6210         (graphite_transform_loops): Removed loops parameter.
6211         * tree-flow.h (graphite_transform_loops): Update declaration.
6212         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6213         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6214         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6215         (OBJS-common): Remove dependence on graphite.o.
6216         (BACKEND): Depend on @GRAPHITE@.
6217
6218 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6219
6220         * doc/invoke.texi (-ftree-check-verbose): Documented.
6221         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6222         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6223         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6224         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6225         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6226         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6227         * common.opt (ftree-checks-verbose): New.
6228         * tree-check.c (tree_check_warning): Move extra stderr output
6229         under control of flag_tree_check_verbose.
6230
6231 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6232
6233         * tree-match.c: Fix comments formatting.
6234         * tree-match.h: Fix comments formatting.
6235         * tree-check.c: Fix comments formatting.
6236         (tree_check_init): Restructure.
6237
6238 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6239
6240         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6241
6242 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6243
6244         * Merge from mainline (r120733:123693).
6245
6246 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6247
6248         * condate.y: New file.
6249         * tree-match.h (struct patt_info_s): New field sign.
6250         (struct condate_s): New field msg.
6251         (normalize_condate, name_condate, add_condate): New.
6252         (conds[], condate_parse): Made extern.
6253         * tree-check.c (tree_check_warning): First arg changed to cond;
6254         warning reformatted.
6255         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6256         (tree_scan): New.
6257         (tree_check): Process trivial condates.
6258         (read_delimited_string): Removed.
6259         (print_cond): Print name and msg.
6260         (conds[]): Made extern.
6261         (parse_tree_check_file_once): Rewritten to use the parser in
6262         condate.y.
6263         Processing of option --tree_check_string moved to tree_scan().
6264         * Makefile.in: Added condate.y
6265
6266 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6267
6268         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6269         Use VECs instead of varrays.
6270         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6271         * Makefile.in (pretty-print.o): Depend on vec.h.
6272         * pretty-print.c: Include tree.h and vec.h.
6273         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6274         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6275         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6276         pp_free_list): Use VECs instead of varrays.
6277         * pretty-print.h: Do not include varray.h.
6278         (struct tree_chunk_s): Declaration moved before its use.
6279         (output_buffer): Rename varray field to chunks.
6280         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6281         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6282         save_global_holes): Use VECs instead of varrays.
6283         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6284         * tree-check.c (scan_cfg_stmts, push_node,
6285         print_matching_stmt): Removed.
6286         (tree_check_instance, push_global_holes_if_new, tree_check,
6287         execute_tree_check): Use VECs instead of varrays.
6288         (gate_tree_check): Don't execute the CFG check when basic_block_info
6289         is not available.
6290
6291 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6292
6293         * Merge from mainline (r115016:120733).
6294
6295 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6296
6297         * Merge from mainline (r117632:117661).
6298
6299 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6300
6301         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6302         * tree-pass.h (TDF_DEBUG, debug_p): New.
6303         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6304         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6305         get_loop_exit_condition, analyze_evolution_in_loop,
6306         analyze_initial_condition, analyze_scalar_evolution,
6307         instantiate_parameters, number_of_latch_executions): Use debug_p.
6308         * tree-chrec.c (chrec_apply): Use debug_p.
6309         * tree-data-ref.c: Include graphite.h.
6310         (dump_data_reference): Print also the access matrix.
6311         (analyze_array, analyze_indirect_ref, init_data_ref,
6312         analyze_offset_expr, address_analysis, object_analysis,
6313         create_data_ref, finalize_ddr_dependent,
6314         non_affine_dependence_relation, analyze_ziv_subscript,
6315         analyze_siv_subscript_cst_affine,
6316         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6317         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6318         analyze_miv_subscript, analyze_overlapping_iterations,
6319         build_classic_dist_vector, subscript_dependence_tester,
6320         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6321         (build_access_matrix_with_af): No longer static.
6322         * tree-data-ref.h (scop_p): ... declaration here.
6323         (data_reference.scop): New field.
6324         (DR_SCOP, DR_ACCESS_MATRIX): New.
6325         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6326         * graphite.c (print_graphite_bb): Call dump_data_references.
6327         (print_scop): Use scop_nb_loops and scop_dim_domain.
6328         (test_for_scop_bound): Use debug_p.
6329         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6330         scop_nb_params.
6331         (scop_loop_index): Moved...
6332         (scop_record_loop): New.
6333         (build_scop_loop_nests): Use scop_record_loop.
6334         (build_scop_domain): Use scop_dim_domain.
6335         (build_access_matrix): Implemented.
6336         (build_scop_canonical_schedules): Use scop_nb_loops.
6337         (build_graphite_bb): Initialize GBB_SCOP.
6338         * graphite.h (scop_p): Moved...
6339         (graphite_bb.scop): New field.
6340         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6341         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6342         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6343         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6344         scop_loop_index): New.
6345         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6346
6347 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6348
6349         * Merge from mainline (r117661:120450).
6350
6351 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6352
6353         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6354         at the first declaration outside the varying loop, instantiate as
6355         far as possible.
6356         * tree-chrec.c (for_each_scev_op): New.
6357         * tree-chrec.h (for_each_scev_op): Declared.
6358         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6359         * tree-data-ref.c (get_references_in_stmt,
6360         find_data_references_in_stmt): New, from trunk.
6361         (find_data_references_in_loop): Use get_references_in_stmt
6362         and find_data_references_in_loop, modified as in trunk.
6363         (build_access_matrix_with_af): New.
6364         * tree-data-ref.h (data_reference): Add a field access_matrix.
6365         (data_ref_loc): New, as in trunk.
6366         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6367         invariant_in_scop_p, param_index, scan_tree_for_params,
6368         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6369         idx_record_param, idx_record_params, build_access_matrix,
6370         build_scop_data_accesses, build_scop_canonical_schedules,
6371         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6372         build_scop_params): New.
6373         * graphite.h (graphite_bb): New.
6374         (scop): Add fields static_schedule, params, loop_nest,
6375         iteration_domain.
6376         * lambda.h: Declare vecs of lambda_matrix.
6377         * tree-flow.h (print_loop_ir_bb): Declared.
6378         * tree-cfg.c (print_loop_ir_bb): New.
6379         (print_loop): Use print_loop_ir_bb.
6380
6381 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6382
6383         * Merge from mainline (r115016:117632).
6384
6385 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6386
6387         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6388         break due to a warning.
6389
6390 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6391
6392         * graphite.c (print_scops, debug_scops): New.
6393         (graphite_transform): Renamed graphite_find_transform.
6394         * graphite.h (debug_scops): Declared.
6395
6396 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6397
6398         * tree-match.c: Reformat following the GNU style.
6399         * tree-match.h: Reformat following the GNU style.
6400         * tree-pattern.h: Removed empty file.
6401         * Makefile.in: Remove references to tree-pattern.h.
6402         * tree-check.c: Reformat following the GNU style.
6403         (execute_tree_check): Move gate condition code to...
6404         (gate_tree_check): ...here.  New function.
6405         (pass_check): Use the gate function.
6406
6407 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6408
6409         * tree-pattern.h: New. Tree pattern matching and checking using
6410         concrete syntax.
6411         * tree-check.c: New. Tree/CFG checking pass.
6412         * tree-match.c: New. Library for tree pattern matching.
6413         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6414         * toplev.c, flags.h: Add globals for tree-check pass.
6415         * Makefile.in: Integrate the files in tree-check pass.
6416         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6417         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6418         Introduce a "lazy" pretty-print mode.
6419         * tree.c, tree.h: Add tree_name.
6420
6421 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6422
6423         * doc/invoke.texi (-fgraphite): Correct typo.
6424         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6425         use of print_loop_ir.
6426         * testsuite/gcc.dg/graphite/scop-1.c: New.
6427         * testsuite/gcc.dg/graphite/scop-2.c: New.
6428         * testsuite/gcc.dg/graphite/graphite.exp: New.
6429         * graphite.c: Include domwalk.h.
6430         (print_scop): Print only the entry and exit blocks.
6431         (debug_scop): No longer static.
6432         (affine_expr): Fix formating.  Return also true when the expression is
6433         constant.
6434         (stmt_simple_for_scop_p): Fix formating.
6435         (build_scops): Use domwalk.
6436         (get_loop_start, end_scop, test_for_scop_bound): New.
6437         (graphite_transform_loops): Avoid printing on stderr.
6438         * graphite.h (debug_scop): Declared.
6439         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6440         * Makefile.in (graphite.o): Depend on domwalk.h.
6441         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6442         declarations for static functions.
6443         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6444         controlling output verbosity.
6445
6446 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6447             Plesco Alexandru  <shurikx@gmail.com>
6448
6449         * doc/invoke.texi (-fgraphite): Document.
6450         * tree-pass.h (pass_graphite_transforms): Declared.
6451         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6452         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6453         (pass_graphite_transforms): Defined.
6454         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6455         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6456         * graphite.c, graphite.h: New.
6457         * common.opt (fgraphite): Declared.
6458         * tree-flow.h (graphite_transform_loops): Declared.
6459         * Makefile.in (OBJS-common): Add graphite.o.
6460         (graphite.o): New rule.
6461         * passes.c (pass_graphite_transforms): Scheduled.
6462