gcc/ChangeLog.graphite

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