gcc/ChangeLog.graphite

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