gcc/ChangeLog.graphite

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