gcc/ChangeLog.graphite

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