gcc/ChangeLog.graphite

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