gcc/ChangeLog.graphite

   1 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
   2
   3         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
   4         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
   5
   6 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-sese-to-poly.c (struct irp_data): Removed.
   9         (idx_record_params): Removed.
  10         (find_params_in_bb): Scan for parameters the access functions; don't
  11         parse the tree representation.
  12
  13 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
  14
  15         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
  16         passes at -O1 and below.
  17
  18 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
  19
  20         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
  21         tree-scalar-evolution.h, and then tree-data-ref.h.
  22         * graphite-clast-to-gimple.c: Same.
  23         * graphite-dependences.c: Same.
  24         * graphite-interchange.c: Same.
  25         * graphite-poly.c: Same.
  26         * graphite-scop-detection.c: Same.
  27         * graphite-sese-to-poly.c: Same.
  28         * graphite.c: Same.
  29         * lambda-code.c: Same.
  30         * matrix-reorg.c: Same.
  31         * tree-data-ref.c: Same.
  32         * tree-if-conv.c: Same.
  33         * tree-loop-distribu: Same.: Same.
  34         * tree-loop-linear.c: Same.
  35         * tree-parloops.c: Same.
  36         * tree-predcom.c: Same.
  37         * tree-vect-patterns.c: Same.
  38
  39 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
  40
  41         Partially revert the previous patch, except the following.
  42         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
  43         as parameters the operands of the not expression.
  44
  45 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  46
  47         * tree-scalar-evolution.c (instantiate_scev_assign): New.
  48         Do not call analyze_scalar_evolution on assignments.
  49         (instantiate_scev_phi): Call analyze_scalar_evolution.
  50         (instantiate_scev_name): Call instantiate_scev_assign and
  51         instantiate_scev_phi.
  52         (instantiate_scev_not): Adapted to pass as parameters the operands
  53         of the not expression.
  54
  55 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  56
  57         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
  58         to pass as parameters the operands of the binary expression.
  59
  60 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  61
  62         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
  63         instantiate_scev_not.  Handle NEGATE_EXPR.
  64         (instantiate_scev_r): Handle NEGATE_EXPR.
  65
  66 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  67
  68         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
  69         instantiate_scev_r.
  70         (instantiate_scev_r): Move code in instantiate_scev_2
  71         and instantiate_scev_1.
  72
  73 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * tree-scalar-evolution.c (instantiate_scev_3): New.
  76         (instantiate_scev_1): Move code in instantiate_scev_3.
  77
  78 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  79
  80         * tree-scalar-evolution.c (instantiate_scev_poly): New.
  81         (instantiate_scev_1): Move code in instantiate_scev_poly.
  82
  83 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
  86         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
  87
  88 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         * tree-scalar-evolution.c (instantiate_scev_convert): New.
  91         (instantiate_scev_1): Move code in instantiate_scev_convert.
  92
  93 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  94
  95         * tree-scalar-evolution.c (instantiate_scev_binary): New.
  96         (instantiate_scev_1): Move code in instantiate_scev_binary.
  97
  98 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  99
 100         * tree-scalar-evolution.c (instantiate_scev_name): New.
 101         (instantiate_scev_1): Move code in instantiate_scev_name.
 102
 103 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 104
 105         * Merge from mainline (150992:151171).
 106
 107 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 108
 109         * graphite-dependences.c (graphite_legal_transform_bb): Call
 110         pbb_remove_duplicate_pdrs.
 111         * graphite-poly.c (can_collapse_pdr): Removed.
 112         (pdr_find_duplicate): Removed.
 113         (can_collapse_pdrs): New.
 114         (pbb_remove_duplicate_pdrs): New.
 115         (new_poly_dr): Do not look for duplicates.
 116         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 117         (PBB_PDR_DUPLICATES_REMOVED): New.
 118         (pbb_remove_duplicate_pdrs): Declared.
 119
 120 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 121
 122         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 123         the strides by multiplying by PDR_NB_REFS.
 124         * graphite-poly.c (can_collapse_pdr): New.
 125         (pdr_find_duplicate): New.
 126         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 127         Initialize PDR_NB_REFS.
 128         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 129         (PDR_NB_REFS): New.
 130         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 131
 132 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 133
 134         Revert one of the previous commits:
 135         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 136         the computation of symmetric data dependence relations.
 137         (dependency_between_pbbs_p): Same.
 138
 139 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 140
 141         PR middle-end/40965
 142         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 143         any transform.
 144
 145 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 146
 147         * graphite-dependences.c (pddr_original_scattering): Return NULL
 148         for read-read dependence relations.
 149         * graphite-poly.h (enum poly_dr_type): Fix comment.
 150         (pdr_read_p): New.
 151         (pdr_write_p): New.
 152         (pdr_may_write_p): New.
 153
 154 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 157         (struct poly_dr): Same.
 158         (new_poly_dr): Same.
 159         * graphite-poly.c (new_poly_dr): Same.
 160
 161 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 162             Sebastian Pop  <sebastian.pop@amd.com>
 163
 164         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 165         pbb_strip_mine_time_depth.  Changed the implementation so that
 166         transformation is expressed as a transformation on
 167         time (scatttering) dimensions.  Also, ensures that the 2d+1
 168         scheduling format is preserved.
 169         (pbb_strip_mine_profitable_p): Profitability is based on the
 170         iteration number of a given time (scattering) dimension,
 171         and not on a original loop depth dimension.
 172         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 173         (pbb_do_strip_mine): Call psct_dynamic_dim.
 174         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 175         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 176         (pbb_nb_dynamic_scattering_transform): New.
 177         (psct_dynamic_dim): New.
 178
 179 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 180
 181         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 182         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 183         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 184         * graphite-interchange.c (build_linearized_memory_access): Same.
 185         (memory_stride_in_loop): Same.
 186
 187 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-dependences.c (pddr_original_scattering): New.
 190         (graphite_legal_transform_dr): Call pddr_original_scattering.
 191         (dot_deps_1): New.
 192         (dot_deps): New.
 193         * graphite-dependences.h (dot_deps): Declared.
 194         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 195         (print_pdr): Print PDR_ID.
 196         * graphite-poly.h (struct poly_dr): Add field id.
 197         (PDR_ID): New.
 198         (pbb_index): New.
 199         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 200
 201 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 204         not delete the original dependence relation.
 205
 206 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 207
 208         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 209         the computation of symmetric data dependence relations.
 210         (dependency_between_pbbs_p): Same.
 211
 212 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 213
 214         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 215         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 216         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 217         (free_poly_ddr): New.
 218         (pddr_is_empty): New.
 219         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 220         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 221         Remove fprintfs.
 222         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 223         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 224         * graphite-dependences.h (enum poly_dependence_kind): New.
 225         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 226         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 227         (PDRP_SINK): Renamed PDDR_SINK.
 228         (PDRP_DDP): Renamed PDDR_DDP.
 229         (PDDR_KIND): New.
 230         (free_poly_ddr): Declared.
 231         * graphite-poly.c (new_scop): Use the new hash function names.
 232         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 233         into original_pddrs.
 234         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 235
 236 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 237
 238         * Merge from mainline (150764:150992).
 239
 240 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 241
 242         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 243         bounds with LT_EXPR to make niter analysis more precise on code
 244         generated by Graphite.
 245
 246 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 249         (graphite_legal_transform_bb): Same.
 250         (poly_drs_may_alias_p): Same.
 251
 252 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 253
 254         PR middle-end/40981
 255         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 256         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 257
 258 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 259
 260         * graphite-poly.c (print_pbb): Print PBB index.
 261
 262 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 263
 264         * Merge from mainline (r150672:150764).
 265
 266 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         * graphite-interchange.c (ppl_max_for_le): Moved...
 269         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 270         * graphite-ppl.c (ppl_max_for_le): ... here.
 271         * graphite-ppl.h (ppl_max_for_le): Declared.
 272
 273 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 274
 275         * Merge from mainline (r150372:150672).
 276
 277 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 278
 279         PR middle-end/40980
 280         * sese.c (convert_for_phi_arg): New.
 281         (add_guard_exit_phis): Use convert_for_phi_arg.
 282
 283         * testsuite/gfortran.dg/graphite/id-17.f: New.
 284
 285 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 286
 287         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 288         unknown subscript upper bounds.
 289
 290         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 291
 292 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 293             Pranav Garg  <pranav.garg2107@gmail.com>
 294
 295         * graphite-interchange.c (gather_access_strides): Removed.
 296         (ppl_max_for_le): New.
 297         (build_linearized_memory_access): New.
 298         (memory_stride_in_loop): New.
 299         (pbb_interchange_profitable_p): Reimplemented.
 300         * graphite-ppl.h (ppl_new_id_map): New.
 301         (ppl_interchange): New.
 302
 303         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 304
 305 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 306
 307         * graphite-interchange.c (compute_subscript): Removed.
 308         (compute_array_size_cstr): Removed.
 309         (compute_array_size_poly): Removed.
 310         (compute_array_size): Removed.
 311         (gather_access_strides_poly): Removed.
 312         (gather_access_strides): Empty.
 313
 314 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 315
 316         * graphite-dependences.c (dependence_polyhedron_1): Replace
 317         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 318         (graphite_legal_transform_dr): Same.
 319         (graphite_carried_dependence_level_k): Same.
 320         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 321         Initialize PDR_NB_SUBSCRIPTS.
 322         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 323         PDR_NB_SUBSCRIPTS.
 324         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 325         (PDR_NB_SUBSCRIPTS): New.
 326         (pdr_nb_subscripts): Removed.
 327         (pdr_dim): Simplified.
 328         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 329         with PDR_NB_SUBSCRIPTS.
 330
 331 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 332
 333         * graphite-interchange.c (compute_array_size): Remove use of
 334         PDR_DATA_CONTAINER.
 335         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 336         Do not initialize PDR_DATA_CONTAINER.
 337         (print_pdr): Do not print PDR_DATA_CONTAINER.
 338         * graphite-poly.h (struct poly_dr): Remove data_container field.
 339         (PDR_DATA_CONTAINER): Removed.
 340         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 341         PDR_DATA_CONTAINER.
 342         (build_poly_dr): Same.
 343
 344 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 347
 348 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 349             Sebastian Pop  <sebastian.pop@amd.com>
 350
 351         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 352         copy of the dependence polyhedron.  Free the temporary objects.
 353         (graphite_carried_dependence_level_k): Free unused objects before
 354         returning.
 355
 356         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 357         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 358         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 359         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 360         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 361
 362 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 363
 364         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 365         Early return without analyzing the data dependences if no
 366         transform has been done.  Call restore_scattering if the transform
 367         is not legal.
 368         (graphite-interchange.c): Same.
 369         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 370         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 371         (apply_poly_transforms): Do not gcc_assert that
 372         the transform is legal.
 373         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 374         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 375         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 376         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 377         * graphite-poly.h (struct poly_scattering): New.
 378         (struct poly_bb): Add original, transformed, and saved fields.
 379         Remove transformed_scattering, original_scattering, nb_local_variables,
 380         and nb_scattering_transform fields.
 381         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 382         (poly_scattering_new): New.
 383         (poly_scattering_free): New.
 384         (poly_scattering_copy): New.
 385         (store_scattering_pbb): New.
 386         (store_scattering): New.
 387         (restore_scattering_pbb): New.
 388         (restore_scattering): New.
 389         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 390         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 391
 392 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 395         (print_scop): Same.
 396
 397 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 398
 399         * Makefile.in (graphite.o): Depends on PREDICT_H.
 400         * graphite.c: Include predict.h.
 401         (graphite_finalize): Call tree_estimate_probability.
 402         * predict.c (predict_loops): Do not call scev_initialize and
 403         scev_finalize.
 404         (tree_estimate_probability_bb): New.
 405         (tree_estimate_probability): Do not initialize loops: move that
 406         code to the driver.  Call tree_estimate_probability_bb.
 407         (tree_estimate_probability_driver): New.
 408         (pass_profile): Use tree_estimate_probability_driver.
 409         * predict.h (tree_estimate_probability): Declared.
 410
 411 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 414         * graphite-dependences.c (graphite_legal_transform): Add time to
 415         TV_GRAPHITE_DATA_DEPS.
 416         (dependency_between_pbbs_p): Same.
 417         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 418
 419 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * Merge from mainline (r149952:150372).
 422
 423 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 426         * graphite-blocking.c: Same.
 427         * graphite-clast-to-gimple.c: Same.
 428         * graphite-dependences.c: Same.
 429         * graphite-poly.c: Same.
 430         * graphite-poly.h: Same.
 431         * graphite-ppl.c: Same.
 432         * graphite-scop-detection.c: Same.
 433         * graphite-sese-to-poly.c: Same.
 434         * graphite.c: Same.
 435
 436 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 437
 438         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 439         (remove_simple_copy_phi): New.
 440         (remove_invariant_phi): New.
 441         (simple_copy_phi_p): New.
 442         (reduction_phi_p): New.
 443         (gsi_for_ssa_name_def): New.
 444         (insert_out_of_ssa_copy): New.
 445         (insert_out_of_ssa_copy_on_edge): New.
 446         (create_zero_dim_array): New.
 447         (scalar_close_phi_node_p): New.
 448         (rewrite_close_phi_out_of_ssa): New.
 449         (rewrite_phi_out_of_ssa): New.
 450         (rewrite_reductions_out_of_ssa): New.
 451         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 452
 453         * testsuite/gcc.dg/graphite/id-11.c: New.
 454         * testsuite/gcc.dg/graphite/id-15.c: New.
 455         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 456         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 457         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 458         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 459         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 460         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 461         * testsuite/gfortran.dg/graphite/id-13.f: New.
 462         * testsuite/gfortran.dg/graphite/id-5.f: New.
 463
 464 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 465
 466         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 467         check that nb_reductions_in_loop is zero.
 468         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 469         reduction phi nodes.
 470         (nb_reductions_in_loop): Removed.
 471         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 472         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 473         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 474         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 475         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 476
 477 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 478
 479         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 480         statements that have an empty iteration domain.
 481         * testsuite/gfortran.dg/graphite/id-16.f: New.
 482
 483 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 484
 485         * tree-scalar-evolution.c (instantiate_scev_1): Return
 486         chrec_dont_know when the result is not above instantiate_below.
 487         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 488         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 489         the tree has a known scalar evolution.
 490         * testsuite/gfortran.dg/graphite/id-14.f: New.
 491         * testsuite/gfortran.dg/graphite/id-15.f: New.
 492
 493 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 494
 495         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 496         insert_gsi.
 497         (rename_variables): Keep inserting renames after the ones already
 498         inserted.
 499
 500 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 501
 502         * graphite-sese-to-poly.c (compare_bb_depths): New.
 503         (graphite_sort_dominated_info): New.
 504         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 505         (build_scop_scattering): Fix comment.
 506
 507 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 508
 509         * graphite.c (graphite_finalize): Call print_loops instead of
 510         dump_function_to_file.
 511         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 512         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 513         loops generated in the graphite output file.
 514         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 515         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 516         * testsuite/gfortran.dg/graphite/id-12.f: New.
 517
 518 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 519
 520         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 521         Remove 2 XFAIL.
 522
 523 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 524             Tobias Grosser  <grosser@fim.uni-passau.de>
 525
 526         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 527         alias set number build alias in ACCESSES polyhedron.
 528         (build_alias_set_for_drs): New.
 529         (build_pbb_drs): Added build_alias_set_for_drs.
 530         * graphite-dependences.c (poly_drs_may_alias_p): New.
 531         (graphite_carried_dependence_level_k): Check alias information
 532         before building polyhedron.
 533
 534 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 535
 536         * Makefile.in (lambda-code.o): Fix formatting.
 537
 538 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 539
 540         * Merge from mainline (r149350-149952)
 541
 542 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 543
 544         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 545         before interchange to prepare for loop blocking.
 546
 547 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 548
 549         * graphite-poly.c (apply_poly_transforms): Add checks after every
 550         transformation.
 551         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 552         done in apply_poly_transforms.
 553
 554 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 555
 556         * graphite-dependences.c (build_lexicographically_gt_constraint):
 557         Replace RES parameter with *RES.
 558         (dependence_polyhedron_1): Pass an address of the parameter RES
 559         instead of value of RES.
 560
 561 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite.c (graphite_finalize): Fix comment.
 564         (graphite_transform_loops): Reset scev info after code generation
 565         of each scop.
 566
 567 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 568
 569         * graphite.c (graphite_finalize): Call scev_reset.
 570
 571 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 572
 573         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 574         GBB_CLOOG_IV_TYPES hash table twice.
 575         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 576         (add_condition_to_domain): Clear GMP values.
 577
 578 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 579
 580         * graphite-dependences.c: Fix formatting.
 581         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 582         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 583         * graphite-sese-to-poly.c: Fix formatting.
 584         * graphite.c (graphite_transform_loops): Create the hash table
 585         after the early return.
 586
 587 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 588
 589         * testsuite/gcc.dg/graphite/id-14.c: New.
 590         * testsuite/gcc.dg/graphite/pr40157.c: New.
 591         * testsuite/gfortran.dg/graphite/id-11.f: New.
 592
 593 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 596         (build_poly_scop): Return false when there are no pbbs within
 597         loops to avoid to pass to cloog scops with no loops.
 598
 599 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 600
 601         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 602         useless test "i % 2".
 603         (build_pbb_scattering_polyhedrons): Fix formatting.
 604         (build_poly_dr): Same.
 605         * graphite.c (graphite_transform_loops): Restructure.
 606
 607 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 608
 609         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 610         reduction_list parameter.
 611         (rewrite_all_phi_nodes_with_iv): Same.
 612         (canonicalize_loop_ivs): Same.
 613         * tree-parloops.c (struct brli): Removed.
 614         (build_reduction_list_info): Removed.
 615         (build_new_reduction): New.
 616         (analyze_reduction_list): Removed.
 617         (gather_scalar_reductions): Find reductions instead of phi
 618         nodes that can't be canonicalized.
 619         (try_create_reduction_list): Remove reduction_list parameter.
 620         (gen_parallel_loop): Same.
 621         (parallelize_loops): Remove analyze_reductions variable,
 622         initialization and free.
 623         Change reduction_list htab initialization to reduction_info
 624         elements instead of ssa names.
 625         Call try_create_reduction_list and gen_parallel_loop without
 626         analyzed_reduction argument.
 627         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 628         canonicalize_loop_ivs with one less argument.
 629         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 630
 631 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 632
 633         * graphite-dependences.c (new_poly_dr_pair): New.
 634         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 635         (new_poly_dr_pair): New.
 636         (eq_poly_dr_pair_p): New.
 637         (hash_poly_dr_pair_p): New.
 638         * graphite-dependences.h (struct poly_dr_pair): New.
 639         (eq_poly_dr_pair_p): Declared.
 640         (hash_poly_dr_pair_p): Declared.
 641         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 642         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 643         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 644         * Makefile.in (graphite-poly.o): Add dependence on
 645         graphite-dependences.h.
 646
 647 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 650         polynomials of degree > 1 pass to Graphite.
 651         * tree-chrec.c (scev_is_linear_expression): Call
 652         evolution_function_is_affine_multivariate_p.
 653         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 654
 655 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 656
 657         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 658         Instantiate scevs varying in outer loops.
 659         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 660
 661 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 664         redundant constraint.
 665
 666 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 669         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 670         based on the file names as in the C testsuite.
 671         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 672         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 673         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 674         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 675         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 676         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 677         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 678         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 679         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 680         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 681         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 682         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 683         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 684
 685 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 686
 687         * sese.c (expand_scalar_variables_call): New.
 688         (expand_scalar_variables_ssa_name): Handle calls in expander.
 689
 690 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 693         Expect to see the pattern twice.
 694         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 695         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 696         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 697
 698 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 699
 700         * testsuite/gcc.dg/graphite/id-10.c: New.
 701         * testsuite/gcc.dg/graphite/id-12.c: New.
 702         * testsuite/gfortran.dg/graphite/id-7.f: New.
 703         * testsuite/gfortran.dg/graphite/id-8.f: New.
 704
 705 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 706
 707         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 708         zero.
 709
 710 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 713
 714 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 717
 718 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 721         building PDR subscripts.
 722
 723 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 726         computation of array sizes.
 727
 728 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 731
 732 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 733
 734         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 735         build_pairwise_constraint, dr_equality_constraints,
 736         build_pairwise_scheduling_equality,
 737         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 738         build_lexicographically_gt_constraint, dependence_polyhedron,
 739         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 740         Move from NNC_Polyhedron to C_Polyhedron.
 741         * graphite-interchange.c (compute_array_size_poly,
 742         gather_access_strides): Dito.
 743         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 744         free_scop, pbb_number_of_iterations): Dito.
 745         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 746         pbb_dim_iter_domain, struct scop): Dito.
 747         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 748         new_Cloog_Domain_from_ppl_Polyhedron,
 749         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 750         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 751         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 752         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 753         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 754         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 755         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 756         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 757         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 758         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 759         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 760         build_scop_iteration_domain, build_poly_dr): Dito
 761
 762 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 763
 764         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 765         run-id-*.c files.
 766         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 767
 768 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 769
 770         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 771         positivity constraint on the symbolic number of iterations.
 772
 773 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 776
 777 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 778             Tobias Grosser  <grosser@fim.uni-passau.de>
 779
 780         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 781         (build_cloog_prog): Directly use SCOP_CONTEXT.
 782         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 783         (free_scop): Free SCOP_CONTEXT.
 784         (print_scop_context): New.
 785         (print_scop): Call print_scop_context.
 786         (debug_scop_context): New.
 787         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 788         (struct scop): Added field context.
 789         (SCOP_CONTEXT): New.
 790         * graphite-sese-to-poly.c (add_param_constraints): New.
 791         (build_scop_context): New.
 792         (build_poly_scop): Call build_scop_context.
 793
 794 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 795
 796         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 797         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 798         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 799         * graphite-ppl.h: Include double-int.h and tree.h.
 800         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 801         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 802         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 803         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 804
 805 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 806
 807         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 808         POINTER_PLUS_EXPR for pointer types.
 809         (clast_to_gcc_expression): Same.
 810
 811 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 812
 813         * graphite-poly.c (print_scattering_function): Early return when
 814         PBB_TRANSFORMED_SCATTERING is not initialized.
 815         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 816
 817 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 818
 819         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 820         to fix bootstrap.
 821
 822 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 823
 824         * tree-parloops.c (analyze_reduction_list): Change return
 825         value to void.
 826         (try_create_reduction_list): Move the call to
 827         analyze_reduction_list to the beginining.
 828         Call reduction_phi with analyzed_reductions as argument
 829         instead of reduction_list.
 830
 831 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 832
 833         *  Merge from mainline (r148296:149346)
 834
 835 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 836
 837         * graphite-scop-detection.c (graphite_can_represent_init): New.
 838         (graphite_can_represent_scev): Call graphite_can_represent_init:
 839         check that the initial value does not contain multiplications of
 840         parameters.
 841         (stmt_has_simple_data_refs_p): New.
 842         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 843         (is_simple_operand): Fix formatting.
 844         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 845
 846 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         * testsuite/gcc.dg/graphite/id-13.c: New.
 849         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 850         analyze_scalar_evolution, use scalar_evolution_in_region.
 851         (scan_tree_for_params_right_scev): Add extra assert.
 852         (parameter_index_in_region_1): Split from parameter_index_in_region.
 853         (idx_record_params): Use scalar_evolution_in_region.
 854         (find_params_in_bb): Same.
 855         (find_scop_parameters): Same.
 856         (build_loop_iteration_domains): Same.
 857         (create_linear_expr_from_tree): Same.
 858         * sese.c (scalar_evolution_in_region): New.
 859         * sese.h (scalar_evolution_in_region): Declared.
 860         (defined_in_sese_p): New.
 861         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 862         static anymore.
 863         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 864         Declared.
 865
 866 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 867
 868         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 869         TREE_DATA_REF_H also implies SCEV_H.
 870
 871 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite-poly.c (print_scop_params): New.
 874         (print_scop): Call print_scop_params.
 875         (debug_scop_params): New.
 876         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 877
 878 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 879
 880         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 881         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 882         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 883         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 884         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 885         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 886
 887 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 888
 889         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 890         for dependency checking part.
 891         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 892         tests for dependency checking.
 893         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 894         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 895         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
 896         flag -fdump-tree-graphite-all for autopar testsuites.
 897
 898 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 899
 900         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 901         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 902         canonicalize_loop_ivs): Moved...
 903         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 904
 905 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 906
 907         * tree-parloops.c (try_create_reduction_list): Pass an extra
 908         argument analyzed_reductions.  Call analyze_reduction_list.
 909         (gen_parallel_loop): Do not call analyze_reduction_list.
 910         (parallelize_loops): Init and finalize analyzed_reductions.
 911
 912 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 913
 914         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 915         Added flag -fno-loop-strip-mine for autopar testcase.
 916
 917 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 918
 919         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 920         transformed scattering dimension instead of unmatch orignal when
 921         calling dependence_polyhedron.
 922
 923 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 924
 925         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 926
 927 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 930         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 931
 932 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 933
 934         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 935         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 936         * graphite-poly.c (pbb_number_of_iterations): New.
 937         * graphite-poly.h (pbb_number_of_iterations): Declared.
 938         (pbb_iterator_dim, pbb_parameter_dim): New.
 939
 940 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 941
 942         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 943         last commit on type of lower and upper bound of loops.
 944
 945 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 946
 947         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 948         graphite-dependences.h.
 949         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 950         (mark_bb_with_pbb): New.
 951         (get_stmtfor_depth): New.
 952         (find_pbb_via_hash): New.
 953         (dependency_in_loop_p): New.
 954         (mark_loops_parallel): New.
 955         (free_aux_in_new_loops): New.
 956         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 957         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 958         innermost loop parallel without checking.
 959         (gloog): Add parameter BB_PBB_MAPPING.
 960         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 961         (gloog): Change declaration.
 962         (mark_loop_parallel): Make extern.
 963         (free_aux_in_new_loops): Declare.
 964         (bb_pbb_map_hash): New.
 965         (eq_bb_pbb_map): New.
 966         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 967         auto parallelization when flag_graphite_force_parallel is set.
 968         (graphite_finalize): Added free_aux_in_new_loops.
 969         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 970         the innermost loop that marked parallel.  Use
 971         flag_graphite_force_parallel instead of loop->can_be_parallel.
 972         (loop_parallel_p): Move inner most checking out of function.
 973
 974 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 975
 976         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
 977         type of lower and upper bound of loops signed long int.
 978
 979 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
 982         expression outside the loop.
 983
 984 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * gcc.dg/graphite/interchange-8.c: New.
 987
 988 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         * gcc.dg/graphite/interchange-0.c: XFailed.
 991         * gcc.dg/graphite/interchange-5.c: XFailed.
 992         * gcc.dg/graphite/interchange-6.c: XFailed.
 993
 994 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 995
 996         * graphite-interchange.c (compute_array_size_poly): The end of the
 997         recursion should return 1.
 998
 999 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1000
1001         * graphite-interchange.c (compute_array_size_cstr): Allow the
1002         subscript multiplier to be -1.
1003         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1004         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1005         data_container.  Initializes PDR_DATA_CONTAINER.
1006         (print_pdr_access_layout): New.
1007         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1008         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1009         data_container.
1010         (PDR_DATA_CONTAINER): New.
1011         (new_poly_dr): Update declaration.
1012         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1013         (build_poly_dr): Call pdr_add_data_dimensions.
1014
1015 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1016
1017         * graphite-poly.h (struct poly_dr): Fix comment.
1018         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1019         (pdr_add_memory_accesses): New.
1020         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1021
1022 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1025         (print_pbb): Add call to print_pdrs.
1026         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1027
1028 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1029             Li Feng <nemokingdom@gmail.com>
1030
1031         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1032         (dependency_between_pbbs_p): New.
1033         (lexicographically_gt_p): Assure !empty_p before polyhedron
1034         intersection assign.
1035         (build_lexicographically_gt_constraint): Correct lexicographically
1036         judging.
1037         * graphite-dependences.h: New.
1038         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1039
1040 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1041
1042         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1043         (gloog): Print to dump_file the generated clast.
1044         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1045         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1046
1047 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         * graphite-poly.c (extend_scattering): Increment
1050         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1051
1052 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1053
1054         * graphite-interchange.c (compute_array_size_poly): Added exit of
1055         recursion condition.  Continue iterating even after the first equality.
1056         (compute_array_size): Same.
1057
1058 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1059
1060         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1061         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1062         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1063         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1064         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1065
1066 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1069         only when the use verifies is_gimple_reg.
1070
1071 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1074         Allocate scaldims after call to unify_scattering_dimensions.
1075
1076 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1077
1078         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1079
1080 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1081             Albert Cohen  <albert.cohen@inria.fr>
1082
1083         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1084         variables for the strip mining.
1085
1086 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1087             Pranav Garg  <pranav.garg2107@gmail.com>
1088
1089         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1090         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1091         (graphite-blocking.o): New rule.
1092         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1093         * graphite-blocking.c: New.
1094         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1095         flag_loop_strip_mine.
1096         (psct_scattering_dim_for_loop_depth): New.
1097         * graphite-poly.h (scop_do_strip_mine): Declared.
1098         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1099         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1100         flag_loop_strip_mine.
1101
1102 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1105         a GMP value and a PPL coefficient at each iteration of a loop.
1106
1107 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * graphite-dependences.c (dependence_polyhedron): Do not use
1110         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1111         pbb_nb_scattering_transform.
1112         (graphite_legal_transform_dr): Same.
1113         * graphite-poly.c (extend_scattering): Same.
1114         (unify_scattering_dimensions): Same.
1115         (print_scattering_function): Same.
1116         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1117         PBB_NB_LOCAL_VARIABLES.
1118         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1119         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1120         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1121         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1122         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1123         (pbb_nb_scattering_transform): New.
1124         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1125         (psco_scattering_dim): Add assert on parameters.
1126         (psct_scattering_dim): Same.
1127         (psct_scattering_dim_for_loop_depth): Declared.
1128         (psct_local_var_dim): New.
1129         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1130         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1131         correct layout, call pbb_nb_local_vars.
1132         (psct_add_local_variable, psct_add_scattering_dimension): New.
1133         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1134         Initialize PBB_NB_SCATTERING_TRANSFORM.
1135
1136 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1139         (set_coef): Renamed ppl_set_coef.
1140         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1141
1142 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1143
1144         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1145         test a boolean against 1.
1146         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1147         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1148         (pbb_do_interchange): Returns true when a transform has been performed.
1149         (scop_do_interchange): Same.
1150         * graphite-poly.c (apply_poly_transforms): Use the return value of
1151         scop_do_interchange.
1152         * graphite-poly.h (scop_do_interchange): Update declaration.
1153
1154 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1155
1156         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1157         after last use.
1158         * sese.c (sese_reset_aux_in_loops): New.
1159         * sese.h (sese_reset_aux_in_loops): New.
1160
1161 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1162
1163         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1164         multiplier and multiply the constant by the multiplier.
1165         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1166         (build_poly_dr): Do not use the multiplier to define the subscript.
1167
1168 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1169
1170         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1171         compiler's data reference.  Initialize PDR_CDR.
1172         (print_pdr): Call dump_data_reference.
1173         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1174         Add compiler_dr field.
1175         (PDR_BB): Renamed PDR_PBB.
1176         (PDR_CDR): New.
1177         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1178         GCC's data reference representation.
1179         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1180         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1181
1182 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-poly.c (print_scattering_function): Also print the layout.
1185         * graphite-poly.h (pbb_nb_local_vars): New.
1186
1187 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1188
1189         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1190
1191 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         * graphite-poly.c (print_pdr, debug_pdr): New.
1194         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1195         (PDR_BASE): Removed.
1196
1197 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1200         ltrans-{1..6,8}.c.
1201
1202 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1205         subscript identification column.
1206         (pbb_do_interchange): Print to dump_file that some loops "will be
1207         interchanged".  Rely on that chain of characters in the testcases.
1208         * gcc.dg/graphite/interchange-0.c: New.
1209         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1210         interchange-*.c files and compile them with -floop-interchange.
1211
1212 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1213
1214         * graphite-interchange.c (interchange_profitable_p): Renamed
1215         pbb_interchange_profitable_p.
1216
1217 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1218             Harsha Jagasia  <harsha.jagasia@amd.com>
1219             Pranav Garg  <pranav.garg2107@gmail.com>
1220
1221         * graphite-interchange.c (interchange_profitable_p): Make static.
1222         (pbb_interchange_loop_depths, pbb_do_interchange,
1223         scop_do_interchange): New.
1224         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1225         for flag_loop_interchange.
1226         * graphite-poly.h (scop_do_interchange): Declared.
1227         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1228         flag_loop_interchange is used.
1229
1230 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1231
1232         * graphite-dependences.c (dependence_polyhedron): Update use of
1233         pbb_nb_scattering_dims.
1234         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1235         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1236         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1237         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1238
1239 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * graphite.c: Cleanup foo.
1242
1243 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * Merge from mainline (r143684:148293).
1246         * Disabled libpcp until it gets fixed.
1247
1248 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1249             Harsha Jagasia  <harsha.jagasia@amd.com>
1250
1251         * graphite-interchange.c: New.
1252         * Makefile.in (graphite-interchange.o): New.
1253         * graphite-poly.h (interchange_profitable_p): Declared.
1254         * graphite-ppl.h (value_max): New.
1255
1256 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1257
1258         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1259         * graphite-poly.h: Fix some comments.
1260         (pdr_dim): New.
1261         (pdr_scop): New.
1262
1263 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * graphite-poly.h
1266         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1267         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1268         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1269         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1270         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1271         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1272         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1273         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1274         * graphite-clast-to-gimple.c: Same.
1275         * graphite-dependences.c: Same.
1276         * graphite-poly.c: Same.
1277         * graphite-sese-to-poly.c: Same.
1278
1279 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1282         expressions for an IV rename, as returned by clast_to_gcc_expression.
1283         (copy_renames): Rename new_name to expr.
1284         * sese.c (debug_rename_elt): Same.
1285         (get_rename): Same.
1286         (set_rename): Same.
1287         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1288         the information from the rename map.
1289         (rename_variables_in_stmt): Same.
1290         (add_loop_exit_phis): Rename new_name to expr.
1291         (insert_loop_close_phis): Same.
1292         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1293         * sese.h (struct rename_map_elt): Rename new_name to expr.
1294         (new_rename_map_elt): Same.
1295
1296 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1299         * sese.c (set_rename): Make it extern.
1300         * sese.h (set_rename): Declared.
1301
1302 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * graphite-poly.c (extend_scattering): Free values.
1305         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1306         Free iterators.
1307         (ppl_print_powerset_matrix): Same.
1308         * graphite-scop-detection.c (free_scops_1): New.
1309         (limit_scops): Call free_scops_1.
1310         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1311         (build_poly_dr): Free PPL coefficients.
1312         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1313
1314 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         * graphite-dependences.c: New.
1317         * graphite-data-ref.c: Removed.
1318         * graphite-data-ref.h: Removed.
1319         * Makefile.in (graphite-data-ref.o): Removed.
1320         (graphite-dependences.o): Added.
1321         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1322         * graphite-poly.c: Same.
1323         Move the data dependence testing to graphite-dependences.c.
1324
1325 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1326
1327         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1328         from graphite_cannot_represent_loop. Code refactored.
1329         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1330
1331 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1332
1333         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1334         Cover all the testcases (not only the filtered ones).
1335
1336 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1337
1338         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1339         unnecessary check. Update comments. Move check for REAL_TYPE here.
1340         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1341         done in (stmt_simple_for_scop_p).
1342
1343 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1344
1345         * graphite.c (print_global_statistics): New.
1346         (print_graphite_scop_statistic): New.
1347         (print_graphite_statistics): New.
1348         (graphite_initialize, graphite_transform_loops): Print statistics.
1349         * graphite-scop-detection (build_scops): Print statistics.
1350         (print_graphite_scop_statistics): New.
1351         (print_graphite_statistics): New.
1352
1353 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1356         (debug_clast_name_index): Removed.
1357         (debug_clast_name_indexes_1): Removed.
1358         (debug_clast_name_indexes): Removed.
1359         (clast_name_index_elt_info): Removed.
1360         (eq_clast_name_indexes): Removed.
1361         (clast_name_to_index): Removed.
1362         (new_clast_name_index): Removed.
1363         (save_clast_name_index): Removed.
1364         (save_var_name): Moved...
1365         (init_sese_params_index): Removed.
1366         (clast_name_to_gcc): Remove use of name_tree.
1367         (initialize_cloog_names): Same.
1368         (gloog): Do not call init_sese_params_index.
1369         * graphite-sese-to-poly.c (save_var_name): ...here.
1370         (parameter_index_in_region): New.
1371         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1372         (parameter_index_in_region): Removed.
1373         (is_parameter): Remove use of name_tree.
1374         * sese.h (struct name_tree): Removed.
1375         (struct sese): Remove use of name_tree.  New field params_names.
1376         (SESE_PARAMS_NAMES): New.
1377         (SESE_PARAMS): Remove duplicate.
1378         (parameter_index_in_region): Removed.
1379         (sese_nb_params): Remove use of name_tree.
1380         (struct clast_name_index): New.
1381         (new_clast_name_index): New.
1382         (clast_name_to_index): New.
1383         (save_clast_name_index): New.
1384         (debug_clast_name_index): New.
1385         (debug_clast_name_indexes_1): New.
1386         (debug_clast_name_indexes): New.
1387         (clast_name_index_elt_info): New.
1388         (eq_clast_name_indexes): New.
1389
1390 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1393         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1394         (graphite_loop_normal_form): Do not pass region.  Do not
1395         initialize SESE_OLDIVS.
1396         (build_graphite_loop_normal_form): Update call to
1397         graphite_loop_normal_form.
1398         * sese.c (debug_oldivs): Removed.
1399         (new_sese): Do not initialize SESE_OLDIVS.
1400         (free_sese): Do not free SESE_OLDIVS.
1401         (oldiv_for_loop): Removed.
1402         * sese.h (struct sese): Remove old_ivs.
1403         (SESE_OLDIVS): Removed.
1404         (oldiv_for_loop): Removed.
1405
1406 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1409         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1410         replaced by a call to newivs_to_depth_to_newiv.
1411         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1412         (clast_to_gcc_expression_red): Same.
1413         (gcc_type_for_clast_expr): Same.
1414         (gcc_type_for_clast_eq): Same.
1415         (graphite_translate_clast_equation): Same.
1416         (graphite_create_guard_cond_expr): Same.
1417         (graphite_create_new_guard): Same.
1418         (graphite_create_new_loop): Same.
1419         (build_iv_mapping): Same.
1420         (translate_clast): Same.
1421         (gloog): Same.
1422         (loop_iv_stack_patch_for_consts): Removed.  *
1423         sese.c (iv_stack_entry_is_constant): Removed.
1424         (iv_stack_entry_is_iv): Removed.
1425         (loop_iv_stack_push_iv): Removed.
1426         (loop_iv_stack_insert_constant): Removed.
1427         (loop_iv_stack_pop): Removed.
1428         (loop_iv_stack_get_iv): Removed.
1429         (loop_iv_stack_get_iv_from_name): Removed.
1430         (debug_loop_iv_stack): Removed.
1431         (free_loop_iv_stack): Removed.
1432         (loop_iv_stack_remove_constants): Removed.  *
1433         sese.h (iv_stack_entry_kind): Removed.
1434         (iv_stack_entry_data_union): Removed.
1435         (iv_stack_entry_struct): Removed.
1436         (iv_stack_entry_p): Removed.
1437         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1438         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1439         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1440         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1441         (gbb_loop_at_index): Fix indenting.
1442         (gbb_loop_index): Removed.
1443
1444 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1447         Call clast_name_to_index.
1448
1449 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1452         do not pass params.  Get params from SESE_PARAMS.
1453         (clast_to_gcc_expression): Same.
1454         (clast_to_gcc_expression_red): Same.
1455         (gcc_type_for_clast_eq): Same.
1456         (graphite_translate_clast_equation): Same.
1457         (graphite_create_new_loop): Same.
1458         * sese.c (rename_variables_in_stmt): Fix comment.
1459
1460 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1461
1462         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1463         newivs_index.
1464         Call save_clast_name_index.
1465         (translate_clast): Pass newivs_index.
1466         (gloog): Create and free newivs_index.
1467
1468 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1471         (clast_name_index_p): New type.
1472         (debug_clast_name_index): New.
1473         (debug_clast_name_indexes_1): New.
1474         (debug_clast_name_indexes): New.
1475         (clast_name_index_elt_info): New.
1476         (eq_clast_name_indexes): New.
1477         (clast_name_to_index): New.
1478         (new_clast_name_index): New.
1479         (save_clast_name_index): New.
1480         (init_sese_params_index): New.
1481         (gloog): Call init_sese_params_index.
1482         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1483         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1484         (free_sese): Free SESE_PARAMS_INDEX.
1485         * sese.h (struct sese): Add params_index.
1486         (SESE_PARAMS_INDEX): New.
1487
1488 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1491         (graphite_create_new_loop): Pass the newivs vector.  Push the
1492         newly created IV to newivs.
1493         (translate_clast): Pass the newivs vector.
1494         (gloog): Create and destroy the newivs vector.
1495
1496 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1497
1498         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1499         (graphite_loop_normal_form): Initialize loop->aux with the unique
1500         IV that has been created.
1501
1502 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1503
1504         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1505         scev with parameters in the base part. They where forbidden
1506         exidently.
1507
1508 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1509
1510         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1511         compile options by file names.
1512         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1513         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1514         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1515         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1516
1517 2009-05-08  Li Feng <nemokingdom@gmail.com>
1518
1519         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1520         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1521         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1522         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1523
1524 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1525
1526         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1527         by final cleanup.
1528
1529 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1530
1531         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1532         allow integer constant strides.
1533         (graphite_can_represent_expr): Depend on outermost_loop.
1534         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1535         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1536         build_scops_1): Same.
1537         (scopdet_basic_block_info): Same and insert layered SCoP
1538         detection.
1539         (try_generate_gimple_bb): Cleanup.
1540         (build_scops): Enable data references.
1541
1542         * testsuite/gcc.dg/graphite/id-5.c: New.
1543         * testsuite/gcc.dg/graphite/id-9.c: New.
1544         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1545         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1546
1547 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1548
1549         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1550         that we have not yet built for this SCoP.
1551
1552 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1553
1554         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1555         for complex numbers.
1556
1557 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1558
1559         * graphite-ppl.c: Fix build if cloog is not available.
1560
1561 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1562
1563         * tree-parloops.c (loop_parallel_p): Remove construction of
1564         NITER and REDUCTION_LIST.
1565         (try_get_loop_niter): New.
1566         (try_create_reduction_list): New.
1567         (parallelize_loops): Bypass the failed checkings in autopar
1568         when can_be_parallel in loop structure is set to true.
1569
1570 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1571
1572         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1573         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1574
1575 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1576
1577         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1578         Enable EQ_EXPR and NE_EXPR again.
1579
1580 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1581
1582         * graphite-scop-detection.c (graphite_can_represent_scev):
1583         Add check if scev is affine multivariate.
1584         (harmful_stmt_in_bb): Check if we can represent the conditions.
1585         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1586         harmful_stmt_in_bb.
1587         * testsuite/gcc.dg/graphite/id-7.c: New.
1588
1589 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1590
1591         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1592         Check all bbs in region, not only the bbs that are represented in
1593         GRAPHITE.
1594         (build_poly_scop): Add newline.
1595         * testsuite/gcc.dg/graphite/id-8.c: New.
1596
1597 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1598
1599         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1600         when loop initialize.
1601         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1602         * common.opt: Declare flag_graphite_force_parallel.
1603         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1604         loop parallel.
1605         * graphite-poly.c (apply_poly_transforms): Introduce
1606         flag_graphite_force_parallel.
1607         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1608         * toplev.c (process_options): ditto and replace a not correctly
1609         encoded space.
1610
1611 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1612
1613         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1614         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1615         to the redefinition.
1616         (compute_cloog_iv_types_1): ditto.
1617         (build_iv_mapping): ditto.
1618         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1619         initialization.
1620         (free_gimple_bb): Removed GBB_LOOPS related free part.
1621         (build_bb_loops): Removed.
1622         * sese.h (struct gimple_bb): Removed loops.
1623         (GBB_LOOPS): Removed.
1624         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1625         (gbb_loop_index): ditto.
1626
1627 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1628
1629         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1630         allow non constant strides.
1631         * testsuite/gcc.dg/graphite/scop-20.c: New.
1632
1633 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * graphite-scop-detection.c (dot_all_scops): Fix system call
1636         return value warning.
1637         (dot_scop): Same.
1638
1639 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1642         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1643
1644 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1647         build_pairwise_constraint, dr_equality_constraints,
1648         build_pairwise_scheduling_equality,
1649         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1650         build_lexicographically_gt_constraint, dependence_polyhedron,
1651         graphite_legal_transform_dr, graphite_legal_transform_bb,
1652         graphite_legal_transform): New.
1653         * graphite-poly.h (graphite_legal_transform): Declared.
1654         * graphite-sese-to-poly.c (build_poly_scop): Call to
1655         graphite_legal_transform is disabled for the moment.
1656
1657 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1658
1659         * graphite-poly.h (pbb_nb_scattering_dims): New.
1660         (pbb_nb_scattering): Use it.
1661
1662 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1663
1664         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1665         Pointset_Powerset version of ppl_insert_dimensions.
1666         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1667
1668 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1671
1672 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * graphite-poly.h: Fix comment.
1675
1676 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1677
1678         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1679
1680 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1681
1682         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1683         statements.
1684
1685 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1686
1687         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1688         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1689         conditions.
1690
1691 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1694         handle EQ_EXPR and NE_EXPR.
1695
1696 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1697
1698         * graphite-poly.h (poly_dr): Fix comment.
1699
1700 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1701             Tobias Grosser  <grosser@fim.uni-passau.de>
1702
1703         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1704         with a zero dimension polyhedron.
1705         (find_scop_parameters): Move the call to scop_set_nb_params here.
1706         (build_loop_iteration_domains): Store in loop->aux the iteration
1707         domain polyhedron.
1708         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1709         by any loop in scop.
1710         (build_poly_scop): Do not call scop_set_nb_params.
1711
1712 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1713             Tobias Grosser  <grosser@fim.uni-passau.de>
1714
1715         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1716         add_condition_to_domain not GT_EXPR.
1717
1718 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1719
1720         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1721         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1722         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1723         upper_bound_assign to calculate unions.
1724         * testsuite/gcc.dg/graphite/id-6.c: New.
1725
1726 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1727
1728         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1729         handle abnormal edges.
1730
1731 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1732
1733         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1734         (free_poly_bb): Also free poly_drs.
1735         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1736         (poly_dr): Polyhedron to Pointset_Powerset.
1737         (pdr_accessp_nb_subscripts): Same.
1738         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1739         poly_drs.
1740
1741 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1742
1743         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1744         names into more meaningful names.
1745
1746 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1749         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1750
1751 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1754         the reduction_list.
1755         * tree-parloops.c (rewrite_phi_with_iv): New.
1756         (rewrite_all_phi_nodes_with_iv): New.
1757         (canonicalize_loop_ivs): Call them.
1758
1759 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1760
1761         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1762         graphite_find_data_references_in_stmt.
1763         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1764         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1765
1766 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1769
1770 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1771
1772         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1773         instead of bb_in_region.
1774         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1775         (build_sese_conditions): Use flag_bb_in_sese.
1776         * sese.c (register_bb_in_sese): Removed.
1777         (new_sese): Remove initialization of SESE_REGION_BBS.
1778         (free_sese): Do not free SESE_REGION_BBS.
1779         * sese.h (struct sese): Remove field region_basic_blocks.
1780         (SESE_REGION_BBS): Removed.
1781         (bb_in_sese_p): Implement in function of bb_in_region.
1782
1783 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1784
1785         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1786         loops.
1787
1788 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1789
1790         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1791         and EQ_EXPR.
1792         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1793         (add_condition_to_domain): New.
1794         (add_condition_to_pbb): New.
1795         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1796         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1797
1798 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1799
1800         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1801         ppl_Pointset_Powerset.
1802         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1803         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1804         (pbb_nb_loops): Same.
1805         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1806         add_conditions_to_domain): Same.
1807         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1808         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1809         ppl_const_Polyhedron_t.
1810         (ppl_print_powerset_matrix): New.
1811         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1812         ppl_print_powerset_matrix): New.
1813         (ppl_print_polyhedron_matrix): Updated.
1814
1815 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1818
1819 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1820
1821         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1822         (print_iteration_domains, debug_iteration_domain,
1823         debug_iteration_domains): New.
1824         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1825         debug_iteration_domains): Declared.
1826         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1827         indenting.
1828
1829 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1830             Sebastian Pop  <sebastian.pop@amd.com>
1831
1832         * graphite-poly.h (print_iteration_domain): New.
1833         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1834         (build_sese_conditions_1, build_sese_conditions_after,
1835         build_sese_conditions_before): New.
1836         (build_sese_conditions): Rewritten.
1837
1838 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1839             Tobias Grosser  <grosser@fim.uni-passau.de>
1840
1841         Cleanup of code generation liveouts.
1842         * graphite-clast-to-gimple.c (translate_clast): Use a single
1843         rename_map instead of one per translated statement.
1844         Do not use SESE_LIVEOUT_RENAMES.
1845         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1846         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1847         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1848         phi node of a reduction: when a loop contains a reduction used outside
1849         the loop, there should be a scalar close phi node on the exit block.
1850         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1851         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1852         (free_sese): Do not free them.
1853         (sese_build_liveouts_use): Do not use them.
1854         (sese_build_liveouts_bb): Same.
1855         (sese_build_liveouts): Same.
1856         (sese_insert_phis_for_liveouts): Same.
1857         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1858         (defined_in_loop_p): New.
1859         (alive_after_loop): New.
1860         (close_phi_not_yet_inserted_p): New.
1861         (struct alep, alep_p): New.
1862         (add_loop_exit_phis): Remove from the rename_map all the names defined
1863         in the code generated loop.
1864         (insert_loop_close_phis): Traverse the rename_map passed to it.
1865         Don't use SESE_LIVEOUT_RENAMES.
1866         (default_liveout_before_guard): Renamed default_before_guard.
1867         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1868         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1869         (register_sese_liveout_renames): Removed.
1870         (copy_bb_and_scalar_dependences): Do not call it.
1871         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1872         reduction_list.
1873         (SESE_LIVEOUT): Removed.
1874         (SESE_LIVEOUT_RENAMES): Removed.
1875         (SESE_REDUCTION_LIST): Removed.
1876         (sese_build_liveouts): Removed.
1877         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1878         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1879         (insert_guard_phis): Same.
1880         (rename_map_elt): Declare a VEC of them.
1881         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1882         trees not pointers to trees.
1883
1884         Rewrite in canonical close SSA form:
1885         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1886         (limit_scops): Close the scop after the block containing the close phi
1887         nodes.
1888         (canonicalize_loop_closed_ssa): New.
1889         (canonicalize_loop_closed_ssa_form): New.
1890         (build_scops): Call canonicalize_loop_closed_ssa_form.
1891
1892         * graphite-sese-to-poly.c: Fix typos.
1893
1894 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1895
1896         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1897         Extended.
1898         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1899         (print_pbb): Add conditions.
1900
1901 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1902             Sebastian Pop  <sebastian.pop@amd.com>
1903
1904         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1905         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1906         (build_scop_bbs_1): New.
1907         (build_scop_bbs): Rewrite.
1908         * sese.h (bb_in_region): New.
1909
1910 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1911
1912         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1913         poly_drs vector.
1914         (print_scop): Style.
1915         * graphite-poly.h (poly_bb): Add drs vector.
1916         (PBB_DRS): Add accessor.
1917         * graphite-sese-to-poly.c (build_poly_dr): New.
1918         (build_pbb_drs, build_scop_drs): New.
1919         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1920
1921 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1922
1923         * tree-ssa-loop.c: Include forgotten toplev.h
1924
1925 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1926
1927         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1928         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1929         * testsuite/gcc.dg/graphite/pr37928.c: Same
1930         * testsuite/gcc.dg/graphite/pr38409.c: Same
1931         * testsuite/gcc.dg/graphite/pr38498.c: Same
1932         * testsuite/gcc.dg/graphite/pr38559.c: Same
1933         * testsuite/gcc.dg/graphite/pr39335.c: Same
1934         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1935         * testsuite/gfortran.dg/graphite/block-2.f: Same
1936         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1937         with -floop-*.
1938
1939 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1940
1941         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1942         build_access_matrix, build_scop_data_accesses): Remove access function
1943         building. (We get a new version soon).
1944         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1945         * sese.h (nb_loops_around_loop_in_sese): Remove.
1946         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1947
1948 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1949             Sebastian Pop  <sebastian.pop@amd.com>
1950
1951         * graphite-scop-detection.c (struct scopdet_info): Rename last
1952         field to exit.
1953         (scopdet_basic_block_info, build_scops_1): Don't use
1954         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1955
1956 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1957             Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1960         * sese.c (sese_build_liveouts_use): Renamed from
1961         sese_build_livein_liveouts_use. Remove liveins.
1962         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1963         Call sese_build_liveouts_use.
1964         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1965         Call sese_build_liveouts_bb.
1966         (new_sese, free_sese): Remove liveins.
1967         (sese_add_exit_phis_var): Deleted.
1968         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1969         directly.
1970         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1971
1972         * sese.h (sese): Remove num_ver and livein.
1973         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1974
1975 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1976
1977         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1978
1979 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1980
1981         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1982         (build_scop_scattering): Do not use compare_prefix_loops any more.
1983         (nb_common_loops): New.
1984
1985 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1988         (register_old_and_new_names): Renamed set_rename.
1989
1990 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1993         of the decl from the previous commit.
1994
1995 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1996
1997         * graphite-scop-detection.c (dot_scop): New.
1998         * graphite-scop-detection.h (dot_scop): Declared.
1999
2000 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2001
2002         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2003
2004 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2007         condition at the end of the loop.
2008         * graphite.c (graphite_initialize, graphite_finalize): Print to
2009         dump_file the compiled function.
2010         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2011         of create_empty_loop_on_edge.
2012         (translate_clast): Update the code generation of loops for the new
2013         shape of loops.
2014         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2015
2016 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         Reverted the patch from 2009-03-19.
2019
2020 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2021
2022         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2023         poly_drs vector.
2024         (print_scop): Style.
2025         * graphite-poly.h (poly_bb): Add drs vector.
2026         (PBB_DRS): Add accessor.
2027         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2028         (build_access_matrix_with_af, build_access_matrix,
2029         build_scop_data_accesses): Delete.
2030         (build_poly_dr): New.
2031         (build_pbb_drs, build_scop_drs): New.
2032         (build_poly_scop): call build_scop_drs.
2033
2034 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2035
2036         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2037         once per basic block.
2038
2039 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2040
2041         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2042         (graphite_can_represent_expr): Renamed from loop_affine_expr
2043         and enhanced.
2044         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2045         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2046         (scopdet_basic_block_info): Actually define entry_block.
2047         (stmt_simple_memref_p): Moved here from ...
2048
2049         * tree-data-ref.c (stmt_simple_memref_p): here.
2050         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2051
2052 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2053
2054         * testsuite/gcc.dg/graphite/id-4.c: New.
2055
2056 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2057
2058         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2059         (register_old_and_new_names): Update the content of the map.
2060         When there was already a rename_map_elt in the map at that
2061         location, free it.
2062         (copy_bb_and_scalar_dependences): Do rename_variables after
2063         expand_scalar_variables.
2064         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2065         of the map.  When there was already a rename_map_elt in the
2066         map at that location, free it.
2067         (translate_clast): Pass the rename_map.  Do not initialize and free
2068         a rename_map per stmt_user.
2069         (gloog): Initialize and free one rename_map and pass it to
2070         translate_clast.
2071
2072 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2073
2074         * sese.c (expand_scalar_variables_stmt,
2075         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2076         parameter.
2077         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2078         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2079         the gimple_stmt_iterator of the statement to be expanded.
2080         * graphite-scop-detection.c (is_simple_operand): Do handle
2081         REALPART_EXPR.
2082
2083 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2084
2085         * graphite-scop-detection.c (is_simple_operand): Do not handle
2086         REALPART_EXPR.
2087         * testsuite/gcc.dg/graphite/id-2.c: New.
2088
2089         * graphite-sese-to-poly.c (build_bb_loops,
2090         add_value_to_dim, scan_tree_for_params_right_scev,
2091         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2092         find_params_in_bb, build_loop_iteration_domains,
2093         add_conditions_to_domain): Remove subtract.
2094
2095 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2096
2097         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2098         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2099         pbb_loop_at_index -> gbb_loop_at_index.
2100         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2101         (debug_loop_vec): Delete.
2102         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2103         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2104         (PBB_LOOPS): Removed.
2105         (PBB_BLACK_BOX): Insert cast.
2106         (pbb_set_black_box): New setter.
2107         (pbb_loop_at_index, pbb_loop_index): Removed.
2108         (scop_set_region, scop_set_nb_params): New.
2109         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2110         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2111         (build_poly_scop): Use scop_set_nb_params.
2112         * sese.h (gimple_bb): Add LOOPS.
2113         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2114
2115 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2116
2117         Revert previous commit.
2118
2119 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2122         (register_old_and_new_names): Update the content of the map.
2123         When there was already a rename_map_elt in the map at that
2124         location, free it.
2125         (copy_bb_and_scalar_dependences): Do rename_variables after
2126         expand_scalar_variables.
2127         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2128         of the map.  When there was already a rename_map_elt in the
2129         map at that location, free it.
2130         (translate_clast): Pass the rename_map.  Do not initialize and free
2131         a rename_map per stmt_user.
2132         (gloog): Initialize and free one rename_map and pass it to
2133         translate_clast.
2134
2135 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2136
2137         Remove forgotten line in revert.
2138
2139 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         Revert previous commit.
2142
2143 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         * sese.c (register_old_and_new_names): Update the content
2146         of the map.  When there was already a rename_map_elt in the
2147         map at that location, free it.
2148         (copy_bb_and_scalar_dependences): Do rename_variables after
2149         expand_scalar_variables.
2150         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2151         of the map.  When there was already a rename_map_elt in the
2152         map at that location, free it.
2153         (translate_clast): Pass the rename_map.  Do not initialize and free
2154         a rename_map per stmt_user.
2155         (gloog): Initialize and free one rename_map and pass it to
2156         translate_clast.
2157
2158 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * graphite-clast-to-gimple.c (translate_clast): context_loop
2161         is never NULL.
2162
2163 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2164             Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2167         of the use of ppl_Polyhedron_map_space_dimensions.
2168
2169 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2170             Sebastian Pop  <sebastian.pop@amd.com>
2171
2172         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2173         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2174         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2175         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2176         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2177         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2178         pbb_nb_params): New.
2179         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2180         nb_loops_around_pbb): Adapt return types.
2181
2182 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2183
2184         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2185         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2186         graphite-scop-detection.o, graphite-poly.o): Add
2187         more headers.
2188
2189 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2190
2191         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2192         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2193         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2194
2195 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2196
2197         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2198         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2199         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2200         * testsuite/gcc.dg/graphite/block-0.c: Same.
2201         * testsuite/gcc.dg/graphite/block-1.c: Same.
2202         * testsuite/gcc.dg/graphite/block-2.c: Same.
2203         * testsuite/gcc.dg/graphite/block-3.c: Same.
2204         * testsuite/gcc.dg/graphite/block-4.c: Same.
2205         * testsuite/gcc.dg/graphite/block-5.c: Same.
2206         * testsuite/gcc.dg/graphite/block-6.c: Same.
2207         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2208         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2209         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2210         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2211         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2212         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2213         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2214         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2215         * opts.c: Remove -floop-block from -O2.
2216         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2217         -floop-strip-mine are used.
2218
2219 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2220             Sebastian Pop  <sebastian.pop@amd.com>
2221
2222         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2223         dimensions.
2224         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2225         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2226         strip_mine_profitable_p, is_interchange_valid,
2227         graphite_trans_bb_block, graphite_trans_loop_block,
2228         graphite_trans_scop_block): Temporary removed.
2229         (extend_scattering, unify_scattering_dimensions): New.
2230         (print_scattering_function, graphite_read_transforms):
2231         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2232         (graphite_generate_scattering_fns): Removed.
2233         (apply_poly_transforms): Cleanup.
2234         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2235         (schedule_to_scattering): Moved.
2236         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2237         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2238         (pbb_nb_scattering): New.
2239         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2240         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2241         Removed.
2242         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2243         shift_poly.
2244         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2245         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2246         -> PBB_TRANSFORMED_SCATTERING.
2247         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2248         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2249         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2250         (check_poly_representation): Do not return bool.
2251         (graphite_transform_loops): Reformat.
2252         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2253
2254 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2257         debug_pbb_domain, debug_pbb, debug_scop): New.
2258         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2259         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2260
2261 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         PR middle-end/39335
2264         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2265         when the type precision of the induction variable should be
2266         larger than the type precision of nit.
2267         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2268         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2269         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2270
2271         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2272         * testsuite/gcc.dg/graphite/pr39335.c: New.
2273
2274 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2275
2276         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2277         SSA_NAMES not struct reduction_info.
2278
2279 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2282
2283 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2284             Tobias Grosser  <grosser@fim.uni-passau.de>
2285
2286         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2287         (free_sese): Free SESE_REDUCTION_LIST.
2288         * sese.h (struct sese): Add field reduction_list.
2289         (SESE_REDUCTION_LIST): New.
2290         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2291         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2292
2293 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2294             Tobias Grosser  <grosser@fim.uni-passau.de>
2295
2296         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2297         of loop_p.
2298
2299 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2300             Tobias Grosser  <grosser@fim.uni-passau.de>
2301
2302         * tree-parloops.c (struct brli, build_reduction_list_info,
2303         analyze_reduction_list, gather_scalar_reductions): New.
2304         (loop_parallel_p): Build a reduction list containing only
2305         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2306         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2307         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2308         * tree-flow.h (gather_scalar_reductions): Declared.
2309
2310 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         PR middle-end/39308
2313         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2314         number_of_iterations_exit from a gcc_assert.
2315
2316 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2317             Jan Sjodin  <jan.sjodin@amd.com>
2318
2319         * output.h (graphite_out_file, graphite_in_file): Declared.
2320         * toplev.c (graphite_out_file, graphite_in_file): New.
2321         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2322         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2323         Don't call schedule_to_scattering.
2324         * common.opt (fgraphite-write, fgraphite-read): New.
2325         * graphite-poly.c: Include output.h.
2326         (print_scattering_function, print_scattering_functions,
2327         debug_scattering_function, debug_scattering_functions,
2328         graphite_write_transforms, graphite_read_transforms,
2329         graphite_generate_scattering_fns): New.
2330         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2331         Call graphite_generate_scattering_fns, graphite_write_transforms,
2332         graphite_read_transforms.
2333         (new_poly_bb): Initialize PBB_SCATTERING.
2334         (free_poly_bb): Free PBB_SCATTERING.
2335         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2336         * graphite-poly.h (struct poly_bb): Add field scattering.
2337         (PBB_SCATTERING): New.
2338         (print_scattering_function, print_scattering_functions,
2339         debug_scattering_function, debug_scattering_functions): Declared.
2340         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2341         GMP values, not integers!
2342         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2343         ppl_read_polyhedron_matrix): New.
2344         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2345         debug_ppl_polyhedron_matrix,
2346         ppl_read_polyhedron_matrix): Declared.
2347         * Makefile.in (graphite-poly.o): Depends on output.h.
2348
2349 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2350             Tobias Grosser  <grosser@fim.uni-passau.de>
2351
2352         Revert this change:
2353         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2354         scalar evolutions in the scop_entry->loop_father.
2355
2356 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2357             Tobias Grosser  <grosser@fim.uni-passau.de>
2358
2359         * graphite.h (ref_nb_loops): Remove declaration.
2360         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2361         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2362         debug_gbb): Moved to sese.h.
2363         * sese.h: As said.
2364
2365 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2366             Tobias Grosser  <grosser@fim.uni-passau.de>
2367
2368         * graphite-data-ref.[ch]: Disable.
2369
2370 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2371             Tobias Grosser  <grosser@fim.uni-passau.de>
2372
2373         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2374         scalar evolutions in the scop_entry->loop_father.
2375
2376 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2377
2378         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2379         (graphite_cannot_represent_loop_niter): Renamed
2380         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2381         (limit_scops): build_sese_loop_nests does not return a bool.
2382         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2383         * sese.c (nb_reductions_in_loop): ... from here.
2384         (graphite_loop_normal_form): ... from here.
2385         (sese_record_loop): Does not fail, so does not return a bool.
2386         (build_sese_loop_nests): Same.
2387         * sese.h (build_sese_loop_nests): Update declaration.
2388         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2389         (build_graphite_loop_normal_form): New.
2390         (gloog): Call build_graphite_loop_normal_form.
2391         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2392         build_sese_loop_nests.
2393
2394         * testsuite/gcc.dg/graphite/id-1.c: New.
2395
2396 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2397             Tobias Grosser  <grosser@fim.uni-passau.de>
2398
2399         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2400         The SCoP detection fix is sufficient.
2401
2402 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         PR tree-optimization/39260
2405         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2406         the basic block contains a condition with a real type.
2407         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2408
2409         * gcc.dg/graphite/pr39260.c: New.
2410
2411 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * graphite-poly.c: Inlcude params.h.
2414         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2415         the size of a tile.
2416         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2417         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2418
2419 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2420             Tobias Grosser  <grosser@fim.uni-passau.de>
2421
2422         * graphite-scop-detection.c (dot_all_scops_1,
2423         dot_all_scops): Moved here.
2424         * graphite-scop-detection.h (dot_all_scops): Declared here.
2425         * graphite.c (graphite_initialize, graphite_finalize): New.
2426         (graphite_transform_loops): Cleaned up.
2427         * sese.c (debug_oldivs): Moved here.
2428         * graphite-poly.c (graphite_apply_transformations): Renamed
2429         apply_poly_transforms.
2430         (debug_loop_vec): Moved here.
2431         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2432         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2433         find_scop_parameters, build_scop_iteration_domain,
2434         add_conditions_to_constraints, build_scop_canonical_schedules,
2435         build_scop_data_accesses): Now static.
2436         (build_poly_scop, check_poly_representation): New.
2437
2438 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2439
2440         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2441         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2442         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2443         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2444         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2445         scan_tree_for_params, struct irp_data, dx_record_params,
2446         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2447         build_loop_iteration_domains, add_conditions_to_domain,
2448         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2449         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2450         build_sese_conditions, add_conditions_to_constraints,
2451         build_scop_iteration_domain, build_access_matrix_with_af,
2452         build_access_matrix,
2453         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2454
2455         * graphite-sese-to-poly.c: New.
2456         * graphite-sese-to-poly.h: New.
2457
2458         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2459
2460 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite.c: Split graphite code generation to a new file.
2463         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2464         max_precision_type, clast_to_gcc_expression_red,
2465         clast_to_gcc_expression, gcc_type_for_clast_expr,
2466         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2467         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2468         graphite_create_new_guard, clast_get_body_of_loop,
2469         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2470         graphite_create_new_loop, build_iv_mapping, copy_renames,
2471         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2472         compute_cloog_iv_types, free_scattering, save_var_name,
2473         initialize_cloog_names, build_scop_context, build_cloog_prog,
2474         set_cloog_options, debug_clast_stmt, scop_to_clast,
2475         print_generated_program, debug_generated_program,
2476         gloog): Moved to graphite-clast-to-gimple.c.
2477
2478         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2479
2480         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2481         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2482         loop_iv_stack_pop, loop_iv_stack_get_iv,
2483         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2484         free_loop_iv_stack, loop_iv_stack_remove_constants,
2485         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2486         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2487         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2488         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2489         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2490         get_vdef_before_sese, sese_adjust_vphi,
2491         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2492         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2493         is_iv, expand_scalar_variables_ssa_name,
2494         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2495         expand_scalar_variables, rename_variables, remove_condition,
2496         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2497         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2498         default_liveout_before_guard, add_guard_exit_phis,
2499         insert_guard_phis, register_old_and_new_names,
2500         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2501         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2502         if_region_set_false_region, create_if_region_on_edge,
2503         move_sese_in_condition): Moved to sese.c.
2504
2505         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2506         if_region_exit, if_region_get_condition_block,
2507         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2508         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2509         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2510         ivtype_map_elt, new_ivtype_map_elt,
2511         recompute_all_dominators): Moved to sese.h.
2512
2513         * graphite-clast-to-gimple.c: New.
2514         * graphite-clast-to-gimple.h: New.
2515         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2516         * sese.c: Modified as said above.
2517         * sese.h: Same.
2518
2519 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521         * graphite.c: Split scop detection to a new file.
2522         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2523         move_sd_regions, loop_affine_expr, exclude_component_ref,
2524         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2525         graphite_cannot_represent_loop_niter, struct scopdet_info,
2526         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2527         find_single_entry_edge, find_single_exit_edge,
2528         create_single_entry_edge, sd_region_without_exit,
2529         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2530         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2531         Moved to graphite-scop-detection.c.
2532
2533         * graphite-scop-detection.c: New.
2534         * graphite-scop-detection.h: New.
2535         * Makefile.in: Add new rule for graphite-scop-detection.o.
2536
2537         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2538         tree-scalar-evolution.h.
2539         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2540         build_sese_loop_nests): Moved here from graphite.c.
2541         (param_index): Renamed parameter_index_in_region.
2542
2543 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2544             Sebastian Pop  <sebastian.pop@amd.com>
2545
2546         * gcc.dg/graphite/block-0.c: Expected to fail now.
2547         * gcc.dg/graphite/block-1.c: Same.
2548         * gcc.dg/graphite/block-5.c: Same.
2549         * gcc.dg/graphite/block-6.c: Same.
2550
2551 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2552             Sebastian Pop  <sebastian.pop@amd.com>
2553
2554         * graphite.h: Separate from graphite_bb_p the polyhedral
2555         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2556         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2557         graphite-data-ref.h.
2558         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2559         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2560         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2561         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2562         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2563         scop_nb_params): Moved to graphite-poly.h.
2564         * graphite-data-ref.c: Same.
2565         * graphite-data-ref.h: New.
2566         * graphite.c: Same.
2567         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2568         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2569         is_interchange_valid, graphite_trans_bb_block,
2570         graphite_trans_loop_block, scop_max_loop_depth,
2571         graphite_trans_scop_block, graphite_apply_transformations,
2572         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2573         graphite-poly.c.
2574         * graphite-poly.h: New.
2575         * graphite-poly.c: New.
2576         * Makefile.in (OBJS-common): Add graphite-poly.o.
2577         (graphite-poly.o): New rule.
2578         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2579         (DR_SCOP): Removed.
2580
2581 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2582             Tobias Grosser  <grosser@fim.uni-passau.de>
2583
2584         * graphite.c: Replace gb -> gbb.
2585         * graphite.h: Same.
2586         * graphite-data-ref.c: Same.
2587
2588 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2589             Tobias Grosser  <grosser@fim.uni-passau.de>
2590
2591         * Makefile.in (OBJS-commmon): Add sese.o.
2592         (sese.o): New.
2593         (graphite.o): Add sese.h.
2594         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2595         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2596         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2597         Move to sese.
2598         (block_before_scop): Add missing return.
2599         (new_scop, free_scop): Remove SESE data structures.
2600         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2601         find_scop_parameters, build_loop_iteration_domains,
2602         add_conditions_to_domain, register_scop_liveout_renames,
2603         copy_bb_and_scalar_dependences): Scop -> SESE.
2604
2605         (add_conditions_to_domain): SCoP -> SESE and remove check
2606         (scop_contains_non_iv_scalar_phi_nodes): New.
2607         (build_scop_conditions_1, build_scop_conditions): Remove check for
2608         non iv scalar phi nodes.
2609         (print_scop_statistics): New.
2610         (graphite_transform_loops): Cleanup.
2611
2612         * graphite.h: Move to sese & cleanup.
2613         * sese.c: New.
2614         * sese.h: New.
2615
2616 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2617             Tobias Grosser  <grosser@fim.uni-passau.de>
2618
2619         * graphite.c (build_scop_conditions_1): Conditions are only
2620         at the end of a basic block.
2621
2622 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2623             Tobias Grosser  <grosser@fim.uni-passau>
2624
2625         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2626         field.
2627         (GBB_ALPHA): Removed.
2628
2629 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2630             Tobias Grosser  <grosser@fim.uni-passau.de>
2631
2632         * graphite-data-ref.c (graphite_test_dependence): Don't use
2633         GBB_DYNAMIC_SCHEDULE.
2634         * graphite.c (new_graphite_bb): Same.
2635         (free_graphite_bb): Same.
2636         (build_scop_dynamic_schedules): Removed.
2637         (graphite_transform_loops): Don't call it.
2638         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2639         (GBB_DYNAMIC_SCHEDULE): Removed.
2640
2641 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2642             Tobias Grosser  <grosser@fim.uni-passau.de>
2643
2644         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2645         (print_graphite_bb): Same.
2646         (build_cloog_prog): Same.
2647
2648 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2649             Tobias Grosser  <grosser@fim.uni-passau.de>
2650
2651         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2652
2653 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2654             Tobias Grosser  <grosser@fim.uni-passau.de>
2655
2656         * graphite.c (build_scop_context): Don't use CloogMatrix.
2657         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2658         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2659
2660 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2661             Tobias Grosser  <grosser@fim.uni-passau.de>
2662
2663         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2664         liveout_renames, add_params fields...
2665         (struct sese): ... here.
2666         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2667         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2668
2669 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2670             Tobias Grosser  <grosser@fim.uni-passau.de>
2671
2672         * graphite.c (print_scop): Do not print the CLooG program.
2673         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2674         build_cloog_prog, gloog): Don't use SCOP_PROG.
2675         (find_transform): Renamed scop_to_clast.
2676         (print_generated_program, debug_generated_program): New.
2677         (graphite_transform_loops): Adapt to new interface.
2678         * graphite.h (struct scop): Remove program field.
2679         (SCOP_PROG): Removed.
2680         (print_generated_program, debug_generated_program): Declared.
2681
2682 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2683
2684         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2685         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2686         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2687         free_graphite_bb, build_scop_canonical_schedules,
2688         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2689         schedules are now represented using a ppl_Linear_Expression_t.
2690         * graphite.h (struct graphite_bb): Same.
2691         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2692         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2693
2694 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2695
2696         * graphite.c: Free local memory.
2697         * graphite-ppl.c: Same.
2698
2699 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2700
2701         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2702         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2703         swap_constraint_variables, scale_constraint_variable): Removed.
2704         (graphite_trans_bb_strip_mine): Remove pong.
2705         * graphite-ppl.c: Include missing header files.
2706         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2707         * graphite-ppl.h (ppl_strip_loop): Declared.
2708         * Makefile.in (graphite-ppl.o): Adjust dependences.
2709
2710 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2711
2712         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2713         (build_scop_iteration_domain): Same.
2714
2715 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2716
2717         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2718         ping pong.
2719         (add_value_to_dim, scan_tree_for_params_right_scev,
2720         scan_tree_for_params_int): New.
2721         * graphite-ppl.c (oppose_constraint): New.
2722         (insert_constraint_into_matrix): Implement missing cases.
2723         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2724
2725 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2728         use ppl_move_dimension.
2729
2730 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2733         * graphite.c: Same.
2734         * graphite.h: Same.
2735         * graphite-ppl.c: Same.
2736         * graphite-ppl.h: Same.
2737
2738 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2739
2740         Revert last 3 commits.
2741
2742 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2745         ping pong.
2746         (add_value_to_dim, scan_tree_for_params_right_scev,
2747         scan_tree_for_params_int): New.
2748         * graphite-ppl.c (oppose_constraint): New.
2749         (insert_constraint_into_matrix): Implement missing cases.
2750         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2751
2752 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2755
2756 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2757             Tobias Grosser  <grosser@fim.uni-passau.de>
2758
2759         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2760         use ppl_move_dimension.
2761         * graphite-ppl.c (ppl_move_dimension): New.
2762         * graphite-ppl.h (ppl_move_dimension): Declared.
2763
2764 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * graphite.c: Do not include cloog/cloog.h.
2767         (print_graphite_bb): Remove ping pong, call PPL print function.
2768
2769 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2770
2771         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2772         (graphite.o): Add dependence on graphite-ppl.h.
2773         (graphite-ppl.o): New.
2774         (graphite-data-ref.c): Ping pong between PPL data structures
2775         and matrices.
2776         * graphite-ppl.c: New.
2777         * graphite-ppl.h: New.
2778         * graphite.c: Include graphite-ppl.h.
2779         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2780         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2781         Ping pong between PPL data structures and matrices.
2782         (new_graphite_bb): Create a PPL constraint system.
2783         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2784         (build_loop_iteration_domains): Use PPL functions.
2785         * graphite.h: Include graphite-ppl.h.  Fix comments.
2786         (graphite_bb): Use a ppl_Constraint_System_t instead of
2787         CloogMatrix for representing the domain.
2788         (scop): Remove static_schedule.
2789         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2790
2791 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2792
2793         * graphite.c: Fix some comments.
2794
2795 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2796
2797         PR middle-end/38953
2798         * graphite.c (if_region_set_false_region): After moving a region
2799         in the false branch of a condition, remove the empty dummy
2800         basic block.
2801         (gloog): Remove wrong fix for PR38953.
2802
2803 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2804
2805         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2806         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2807         register_bb_in_sese, new_sese, free_sese): Moved.
2808         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2809         outermost_loop_in_scop, build_scop_iteration_domain,
2810         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2811         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2812         Use loop_in_sese_p instead of loop_in_scop_p.
2813         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2814         (free_scop): Do not free SCOP_BBS_B.
2815         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2816         ref_nb_loops): Moved here...
2817         * graphite.h (ref_nb_loops): ... from here.
2818         (struct scop): Remove bbs_b bitmap.
2819         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2820         * testsuite/gcc.dg/graphite/scop-19.c: New
2821
2822 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2823
2824         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2825         detection.
2826
2827 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2828
2829         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2830         eq_loop_to_cloog_loop): Remove.
2831         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2832         * graphite.h (struct scop): Remove loop2cloog_loop.
2833         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2834
2835 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2836
2837         * opts.c (decode_options): Only add graphite options to O2
2838         if we compile with graphite enabled.
2839
2840 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2841
2842         * Merge from mainline (r143163:143684).
2843
2844 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2845
2846         * graphite.c (debug_value): Removed.
2847         * graphite.h (debug_value): Removed.
2848
2849 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2850
2851         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2852         after graphite: pass_copy_prop does not maintain a proper loop closed
2853         SSA form.  pass_copy_prop should be fixed.
2854
2855 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2858
2859 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2860
2861         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2862         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2863         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2864         changed the CFG.
2865
2866 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2867
2868         * graphite.c (gloog): Return true when code gen succeeded.
2869         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2870         the code of the function did not changed.  After cleanup_tree_cfg
2871         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2872         form.
2873
2874 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2875
2876         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2877         gimple_call_lhs is NULL.
2878
2879 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2880             Tobias Grosser  <tobi.grosser@amd.com>
2881
2882         * graphite.c (graphite_trans_scop_block): Do not block single
2883         nested loops.
2884
2885 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2886             Tobias Grosser  <tobi.grosser@amd.com>
2887
2888         * graphite.c (build_scop_canonical_schedules): Start schedules at
2889         zero.
2890
2891 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2892             Tobias Grosser  <tobi.grosser@amd.com>
2893
2894         * graphite.c (compare_prefix_loops): New.
2895         (build_scop_canonical_schedules): Rewritten.
2896         (graphite_transform_loops): Move build_scop_canonical_schedules
2897         after build_scop_iteration_domain.
2898
2899 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2900             Tobias Grosser  <tobi.grosser@amd.com>
2901
2902         * graphite.c (add_conditions_to_domain): Add the loops to
2903         the dimension of the iteration domain.  Do copy the domain
2904         only when it exists.
2905         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2906         (add_conditions_to_constraints): New.
2907         (can_generate_code_stmt, can_generate_code): Removed.
2908         (gloog): Do not call can_generate_code.
2909         (graphite_transform_loops): Call add_conditions_to_constraints
2910         after building the iteration domain.
2911
2912 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2913             Tobias Grosser  <tobi.grosser@amd.com>
2914             Jan Sjodin  <jan.sjodin@amd.com>
2915
2916         * graphite.c (scan_tree_for_params): On substractions negate
2917         all the coefficients of the term.
2918         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2919         of more than two operands.
2920         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2921         (get_vdef_before_scop): Handle also the case of default definitions.
2922
2923 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2924
2925         PR middle-end/38431
2926         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2927         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2928         (gloog): Do not call cleanup_tree_cfg.
2929         (graphite_transform_loops): Call cleanup_tree_cfg after all
2930         scops have been code generated.
2931
2932 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2933
2934         * passes.c (init_optimization_passes): Schedule after
2935         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2936
2937 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2940         Fix comment.
2941         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2942         Set the type of an expression to the type of its assign statement.
2943         (expand_scalar_variables_expr):  Do not pass loop_p.
2944         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2945         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2946         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2947
2948 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2949
2950         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2951         an expression to the gimple_expr_type of its assign statement.
2952         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2953         or tcc_declaration.
2954
2955 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         PR tree-optimization/38786
2958         * testsuite/gcc.dg/graphite/pr38786.c: New.
2959         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2960         the SSA_NAME case of expand_scalar_variables_expr.
2961         (expand_scalar_variables_expr): Also gather the scalar computation
2962         used to index the memory access.
2963         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2964         the gimple_stmt_iterator where it inserts new code.
2965
2966 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2969
2970 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2971
2972         * opts.c (decode_options): Enable flag_graphite_identity and
2973         flag_loop_block in -O2 and above.
2974
2975 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2976
2977         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2978         Fix merge problem: replace with the file from trunk.
2979
2980 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         * Merge from mainline (r141727:143163).
2983
2984 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2985             Jan Sjodin  <jan.sjodin@amd.com>
2986
2987         PR tree-optimization/38559
2988         * testsuite/gcc.dg/graphite/pr38559.c: New.
2989
2990         * graphite.c (debug_value, copy_constraint,
2991         swap_constraint_variables, scale_constraint_variable, ): New.
2992         (get_lower_bound, get_upper_bound): Removed.
2993         (graphite_trans_bb_strip_mine): Clean up this code that works
2994         only for constant number of iterations.  Fully copy upper and
2995         lower bound constraints, not only the constant part of them.
2996         * graphite.h (debug_value): Declared.
2997
2998 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2999
3000         PR tree-optimization/38492
3001         PR tree-optimization/38498
3002         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3003         * tree-chrec.h (scev_is_linear_expression): Declared.
3004         * graphite.c (graphite_cannot_represent_loop_niter): New.
3005         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3006         (graphite_loop_normal_form): Use gcc_assert.
3007         (scan_tree_for_params): Use CASE_CONVERT.
3008         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3009         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3010         Use gcc_assert.  Discard scops that contain unhandled cases.
3011         (build_scop_conditions): Return a boolean status for unhandled cases.
3012         (strip_mine_profitable_p): Print the loop number, not its depth.
3013         (is_interchange_valid): Pass the depth of the loop nest, don't
3014         recompute it wrongly.
3015         (graphite_trans_bb_block): Same.
3016         (graphite_trans_bb_block): Print tentative of loop blocking.
3017         (graphite_trans_scop_block): Do not print that the loop has been
3018         blocked.
3019         (graphite_transform_loops): Do not handle scops that contain condition
3020         scalar phi nodes.
3021
3022         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3023         in trunk.
3024         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3025         * testsuite/gcc.dg/graphite/block-1.c: Same.
3026         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3027         blocking.
3028         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3029         * testsuite/gcc.dg/graphite/block-3.c: New.
3030         * testsuite/gcc.dg/graphite/pr38498.c: New.
3031
3032 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3033
3034         PR tree-optimization/38510
3035         * gcc.dg/graphite/pr38510.c: New.
3036         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3037           (translate_clast): Call recompute_all_dominators before
3038           graphite_verify.
3039           (gloog): Call recompute_all_dominators before graphite_verify.
3040
3041 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         PR tree-optimization/38492
3044         * graphite.c (rename_map_elt, debug_rename_elt,
3045         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3046         rename_map_elt_info, eq_rename_map_elts,
3047         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3048         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3049         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3050         (sese_build_livein_liveouts): New.
3051         (new_sese, free_sese): New.
3052         (new_scop): Call new_sese.
3053         (free_scop): Call free_sese.
3054         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3055         (register_old_new_names): Renamed register_old_and_new_names.
3056         (register_scop_liveout_renames, add_loop_exit_phis,
3057         insert_loop_close_phis, struct igp,
3058         default_liveout_before_guard, add_guard_exit_phis,
3059         insert_guard_phis, copy_renames): New.
3060         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3061         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3062         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3063         (scop_adjust_phis_for_liveouts): New.
3064         (gloog): Call scop_adjust_phis_for_liveouts.
3065
3066         * graphite.h (struct sese): Documented.  Added fields liveout,
3067         num_ver and livein.
3068         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3069         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3070         (struct scop): Added field liveout_renames.
3071         (SCOP_LIVEOUT_RENAMES): New.
3072
3073 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         PR tree-optimization/38409
3076         * gcc.dg/graphite/pr38409.c: New.
3077         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3078
3079 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3080
3081         * graphite.c (gcc_type_for_cloog_iv): By default return
3082         integer_type_node.
3083         (graphite_create_new_loop): Don't fold_convert the already
3084         fold_convert-ed expression.
3085
3086 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3087
3088         PR tree-optimization/38446
3089         * gcc.dg/graphite/pr38446.c: New.
3090         * graphite.c (register_bb_in_sese): New.
3091         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3092         looking at the bbs in the region.
3093         * graphite.h (sese): Add region_basic_blocks pointer set to
3094         structure and initialize at the time of defining new scop.
3095
3096 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3097
3098         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3099         (find_params_in_bb): Do not free data refs.
3100         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3101
3102 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3105         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3106         * testsuite/gcc.dg/graphite/block-5.c: New.
3107         * testsuite/gcc.dg/graphite/block-6.c: New.
3108         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3109         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3110         * testsuite/gcc.dg/graphite/block-2.c: Same.
3111
3112         * graphite.c (struct ivtype_map_elt): New.
3113         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3114         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3115         gcc_type_for_cloog_iv): New.
3116         (loop_iv_stack_patch_for_consts): Use the type of the induction
3117         variable from the original loop, except for the automatically
3118         generated loops, i.e., in the case of a strip-mined loop, in
3119         which case there is no original loop: in that case just use
3120         integer_type_node.
3121         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3122         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3123         (clast_name_to_gcc): Accept params to be NULL.
3124         (clast_to_gcc_expression): Take an extra parameter for the type.
3125         Convert to that type all the expressions built by this function.
3126         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3127         (graphite_translate_clast_equation): Compute the type of the
3128         clast_equation before translating its LHS and RHS.
3129         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3130         (graphite_create_new_loop): Compute the type of the induction
3131         variable before translating the lower and upper bounds and before
3132         creating the induction variable.
3133         (rename_variables_from_edge, rename_phis_end_scop): New.
3134         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3135         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3136         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3137         compute_cloog_iv_types): New.
3138         (gloog): Call compute_cloog_iv_types before starting the
3139         translation of the clast.
3140
3141         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3142         (GBB_CLOOG_IV_TYPES): New.
3143         (debug_ivtype_map): Declared.
3144         (oldiv_for_loop): New.
3145
3146 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3147
3148         PR middle-end/38459
3149         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3150         (param_index): Assert if parameter is not know after parameter
3151         detection.
3152         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3153         (find_scop_parameters): Mark, that we have finished parameter
3154         detection.
3155         (graphite_transform_loops): Move condition detection before parameter
3156         detection.
3157         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3158         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3159
3160 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3161
3162         * graphite.c (graphite_transform_loops): Always call find_transform ()
3163         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3164         generate code.
3165
3166 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3167
3168         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3169         (print_scop): Ditto.
3170
3171 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3172
3173         PR middle-end/38084
3174         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3175         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3176         regions more than once.
3177
3178 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3181         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3182         when not needed.
3183
3184 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3185
3186         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3187         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3188         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3189         (max_precision_type): New.
3190         (value_clast): Removed.
3191         (clast_to_gcc_expression): Be more careful to types of expressions.
3192         Use max_precision_type and update use of gmp_cst_to_tree.
3193         (graphite_translate_clast_equation): Use max_precision_type.
3194         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3195         use the type of the condition.
3196         (graphite_create_new_loop): Do not use integer_type_node, use the
3197         max_precision_type of lb and ub.
3198
3199 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3200
3201         * graphite.c (build_scops_1): Initialize open_scop.exit
3202         and sinfo.last.
3203
3204 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * testsuite/gcc.dg/graphite/pr38084.c: New.
3207         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3208         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3209         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3210         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3211         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3212
3213 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3214             Jan Sjodin  <jan.sjodin@amd.com>
3215             Harsha Jagasia  <harsha.jagasia@amd.com>
3216
3217         PR middle-end/37852
3218         PR middle-end/37883
3219         PR middle-end/37928
3220         PR middle-end/37980
3221         PR middle-end/38038
3222         PR middle-end/38039
3223         PR middle-end/38073
3224         PR middle-end/38083
3225         PR middle-end/38125
3226
3227         * testsuite/gcc.dg/graphite/pr38073.c: New.
3228         * testsuite/gcc.dg/graphite/pr37928.c: New.
3229         * testsuite/gcc.dg/graphite/pr37883.c: New.
3230         * testsuite/gcc.dg/graphite/pr38125.c: New.
3231         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3232         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3233         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3234
3235         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3236         the number of detected scops.  Copy exact same test for loop
3237         blocking...
3238         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3239         loops to be blocked as reductions are not handled.
3240         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3241
3242         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3243         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3244         ...here.
3245         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3246         * Makefile.in (graphite.o): Depend on value-prof.h.
3247         (graphite.o-warn): Removed -Wno-error.
3248         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3249         to be a NULL pointer.  Call update_stmt.  Return the newly created
3250         cannonical induction variable.
3251
3252         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3253
3254         * graphite.c: Reimplement the code generation from graphite to gimple.
3255         Include value-prof.h.
3256         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3257         (get_old_iv_from_ssa_name): Removed.
3258         (graphite_stmt_p): New.
3259         (new_graphite_bb): Test for useful statements before building a
3260         graphite statement for the basic block.
3261         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3262         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3263         reason.
3264         (recompute_all_dominators, graphite_verify,
3265         nb_reductions_in_loop, graphite_loop_normal_form): New.
3266         (scop_record_loop): Call graphite_loop_normal_form.
3267         (build_scop_loop_nests): Iterate over all the blocks of the
3268         function instead of relying on the incomplete information from
3269         SCOP_BBS.  Return the success of the operation.
3270         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3271         (add_bb_domains): Removed.
3272         (build_loop_iteration_domains): Don't call add_bb_domains.
3273         Add the iteration domain only to the basic blocks that have been
3274         translated to graphite.
3275         (build_scop_conditions_1): Add constraints only if the basic
3276         block have been translated to graphite.
3277         (build_scop_data_accesses): Completely disabled until data
3278         dependence is correctly implemented.
3279         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3280         (remove_all_edges_1, remove_all_edges): Removed.
3281         (get_new_name_from_old_name): New.
3282         (graphite_rename_variables_in_stmt): Renamed
3283         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3284         Use replace_exp and update_stmt.
3285         (is_old_iv): Renamed is_iv.
3286         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3287         Use replace_exp and update_stmt.
3288         (expand_scalar_variables_expr): Same.  Use the map to get the
3289         new names for the renaming of induction variables and for the
3290         renaming of variables after a basic block has been copied.
3291         (expand_scalar_variables): Same.
3292         (graphite_rename_variables): Renamed rename_variables.
3293         (move_phi_nodes): Removed.
3294         (get_false_edge_from_guard_bb): New.
3295         (build_iv_mapping): Do not insert the induction variable of a
3296         loop in the renaming iv map if the basic block does not belong
3297         to that loop.
3298         (register_old_new_names, graphite_copy_stmts_from_block,
3299         copy_bb_and_scalar_dependences): New.
3300         (translate_clast): Heavily reimplemented: copy basic blocks,
3301         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3302         At each translation step call graphite_verify ensuring the
3303         consistency of the SSA, loops and dominators information.
3304         (collect_virtual_phis, find_vdef_for_var_in_bb,
3305         find_vdef_for_var_1, find_vdef_for_var,
3306         patch_phis_for_virtual_defs): Removed huge hack.
3307         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3308         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3309         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3310         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3311         if_region_get_condition_block, if_region_set_false_region,
3312         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3313         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3314         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3315         rewrite_into_sese_closed_ssa): New.
3316         (gloog): Remove dead code.  Early return if code cannot be
3317         generated.  Call cleanup_tree_cfg once the scop has been code
3318         generated.
3319         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3320         block loops with less than two loops.
3321         (graphite_apply_transformations): Remove the call to
3322         scop_remove_ignoreable_gbbs.
3323         (limit_scops): When build_scop_loop_nests fails, continue on
3324         the next scop.  Fix open_scop.entry.
3325         (graphite_transform_loops): Call recompute_all_dominators: force the
3326         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3327         Call initialize_original_copy_tables and free_original_copy_tables
3328         to be able to copy basic blocks during code generation.
3329         When build_scop_loop_nests fails, continue on next scop.
3330         (value_clast): New union.
3331         (clast_to_gcc_expression): Fix type cast warning.
3332
3333 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3334
3335         * Merge from mainline (r140838:141727).
3336
3337 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3338
3339         PR middle-end/37833
3340
3341         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3342
3343 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3344
3345         PR middle-end/37943
3346
3347         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3348         exits and conditions.
3349         * testsuite/gcc.dg/graphite/pr37943.c: New.
3350
3351 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3352
3353         PR middle-end/37886
3354         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3355
3356 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3357
3358         * doc/invoke.texi: Fix spaces.
3359
3360 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         PR tree-optimization/37891
3363         Reverted last commit.
3364         * graphite.c (create_single_entry_edge): Set
3365         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3366
3367 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3368             Mitul Thakkar  <mitul.thakkar@amd.com>
3369
3370         * graphite.c (create_single_entry_edge): Set
3371         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3372
3373 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3374
3375         * doc/invoke.texi: Add -fgraphite-identity.
3376         * graphite.c (graphite_apply_transformations): Check for
3377         -fgraphite-identity.
3378         * toplev.c (process_options): Add flag_graphite_identity.
3379         * tree-ssa-loop.c: Add flag_graphite_identity.
3380
3381 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3382
3383         Undo changes from 2008-10-02:
3384         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3385         operand type when copying the operand to a variable of different type.
3386         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3387         with the IV name after increment.
3388
3389 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3390             Harsha Jagasia  <harsha.jagasia@amd.com>
3391
3392         PR tree-optimization/37828
3393         * testsuite/gcc.dg/graphite/pr37828.c: New.
3394         * graphite.c (graphite_trans_loop_block): Do not loop block
3395         single nested loops.
3396
3397 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3398             Sebastian Pop  <sebastian.pop@amd.com>
3399
3400         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3401         rename_map_elt_info, eq_rename_map_elts): New.
3402         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3403         (expand_scalar_variables_expr): Change parameters.
3404         (expand_scalar_variables_stmt): Same.
3405         (expand_scalar_variables): Same.
3406         (graphite_rename_ivs): Rename graphite_rename_variables.
3407         (build_iv_mapping): New.
3408         (translate_clast): Call build_iv_mapping.
3409         * graphite.h (gbb_p): New name.
3410
3411 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3412
3413         PR tree-optimization/37684
3414         * gcc.dg/graphite/pr37684.c: New.
3415         * graphite.c (exclude_component_ref): New.
3416         (is_simple_operand): Call exclude_component_ref.
3417
3418 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3419             Harsha Jagasia  <harsha.jagasia@amd.com>
3420
3421         PR tree-optimization/37485
3422         * gcc.dg/graphite/block-2.c: New
3423         * graphite.c (gmp_cst_to_tree): Moved.
3424         (iv_stack_entry_is_constant): New.
3425         (iv_stack_entry_is_iv): New.
3426         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3427         (loop_iv_stack_insert_constant): New.
3428         (loop_iv_stack_pop): Use new datatpype.
3429         (loop_iv_stack_get_iv): Same.
3430         (loop_iv_stack_get_iv_from_name): Same.
3431         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3432         (loop_iv_stack_patch_for_consts): New.
3433         (loop_iv_stack_remove_constants): New.
3434         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3435         (translate_clast): Call loop_iv_stack_patch_for_consts and
3436         loop_iv_stack_remove_constants.
3437         (gloog): Use new datatype.  Redirect construction edge to end
3438         block to avoid accidental deletion.
3439         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3440         iv stack entry.
3441         (union iv_stack_entry_data): New.  Data in iv stack entry.
3442         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3443
3444 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3445
3446         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3447         operand type when copying the operand to a variable of different type.
3448
3449 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3450
3451         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3452         with the IV name after increment.
3453
3454 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3455
3456         * Merge from mainline (r140164:140838).
3457
3458 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3459
3460         * graphite-data-ref.c: New.
3461         * graphite.c (print_scop): Also dump the dependence graph.
3462         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3463         (new_scop): Initialize SCOP_DEP_GRAPH.
3464         (build_scop_dynamic_schedules): New.
3465         (build_access_matrix_with_af): Fixed column numbering.
3466         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3467         * graphite.h: Add ifndef/define guards against multiple inclusion.
3468         (struct scop): Add dep_graph field.
3469         (SCOP_DEP_GRAPH): Defined.
3470         (ref_nb_loops): Fixed and moved to other position.
3471         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3472         (nb_loops_around_loop_in_scop): New.
3473         (graphite_dump_dependence_graph): Declared.
3474         (graphite_build_rdg_all_levels): Declared.
3475         (graphite_test_dependence): Declared.
3476         * Makefile.in (graphite-data-ref.o): New target.
3477
3478 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3479
3480         * Merge from mainline (139870:140164).
3481
3482 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3483
3484         * Merge from mainline (138275:139870).
3485         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3486         the commits from trunk broke the niter detection.
3487
3488 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3489
3490         * graphite.c: Add more documentation.  Fix formatting.
3491         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3492         loop_iv_stack_debug): Moved...
3493         (schedule_to_scattering): Move before use.
3494         (dot_all_scops): Include in "#if 0" the code for system
3495         call dotty.
3496
3497         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3498         loop_iv_stack_debug): ...here.
3499
3500 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3501
3502         * tree-phinodes.c (make_phi_node): Extern.
3503         (add_phi_node_to_bb): New.
3504         (create_phi_node): Call add_phi_node_to_bb.
3505         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3506         (remove_statement): Handle case where stored phi was updated
3507         and is no longer the same.
3508         * graphite.c (is_parameter): New.
3509         (is_old_iv): New.
3510         (expand_scalar_variables_expr): New.
3511         (expand_scalar_variables_stmt): New.
3512         (expand_scalar_variables): New.
3513         (move_phi_nodes): Create new phi instead of moving old one.
3514         (translate_clast): Call expand_scalar_variables.
3515         (find_vdef_for_var_in_bb): Also scan regular definitions.
3516         (skip_phi_defs): New.
3517         (collect_scop_exit_phi_args): New.
3518         (patch_scop_exit_phi_args): New.
3519         (gloog): Patch phis after scop.
3520         * tree-flow.h: (add_phi_node_to_bb): Declared.
3521         (make_phi_node): Declared.
3522
3523 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3524
3525         * graphite.c (end_scop): Split the entry of the scop when it
3526         is the header of the loop in which the scop is ending.
3527         (build_scops_1, limit_scops): Update uses of end_scop.
3528
3529 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3530
3531         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3532         SCOP_ENTRY or SCOP_EXIT.
3533
3534 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * graphite.c (get_construction_edge): Removed.
3537         (gloog): Construction edge is the scop entry edge.
3538
3539 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3540
3541         * graphite.c (can_generate_for_scop): Removed.
3542         (gloog): Do not call it.
3543
3544 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3545
3546         * graphite.c (new_scop): Entry of a scop is an edge.
3547         Initialize SESE region.
3548         (free_scop): Free SESE region.
3549         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3550         (split_difficult_bb): New, split from end_scop.
3551         (end_scop): Exit of a scop is an edge.
3552         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3553         not automatically updated and thus is always wrong.
3554         * graphite.h (struct sese): New.
3555         (SESE_ENTRY): New.
3556         (SESE_EXIT): New.
3557         (struct scop): New field for a SESE region.  Remove entry, exit.
3558         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3559         semantics as before.  Moved comment around.
3560
3561 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3562             Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * graphite.c (graphite_transform_loops): Always enable gloog
3565         and find_transform when ENABLE_CHECKING.
3566
3567 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3568
3569         * graphite.c (graphite_transform_loops): Move pretty printer
3570         of SCOPs before doing any transform.  Remove call to print_scops
3571         and dot_all_scops_1.
3572
3573 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3576         (print_graphite_bb): Same.
3577
3578 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3579
3580         * graphite.c (dot_all_scops_1): Cleanup.
3581         (move_scops): Fix comment.
3582
3583 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * graphite.c (build_scop_bbs): Revert commit 139355:
3586
3587         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3588                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3589
3590                 * graphite.c (build_scop_bbs): Factor up code.
3591
3592 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3593
3594         * graphite.c (gloog): Update dominator info.
3595
3596 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3597
3598         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3599
3600 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3601
3602         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3603         initialization.
3604         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3605         (translate_clast): Correct formatting.
3606         * graphite.h (struct num_map): Removed.
3607         (struct graphite_bb): Remove num_map field.
3608         (GBB_INDEX_TO_NUM_MAP): Removed.
3609
3610 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3611
3612         * graphite.c (build_access_matrix_with_af): Fix comments.
3613         (build_scop_data_accesses): Same.
3614
3615 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3616
3617         * graphite.c (build_scop_data_accesses): Don't construct
3618         access matrices.  Add a FIXME and an assert condition that
3619         should pass when the access matrices will be needed.
3620
3621 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3624         really_constant_p.
3625         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3626         Moved close by free_graphite_bb.
3627         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3628         (new_scop): Move close by free_scop.
3629         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3630
3631 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3632
3633         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3634         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3635         instead of recursive call.
3636         (graphite_translate_clast_equation): New.
3637         (graphite_create_guard_cond_expr): New.
3638         (graphite_create_new_guard): New.
3639         (get_stack_index_from_iv): Removed.
3640         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3641         (get_true_edge_from_guard_bb): New.
3642         (translate_clast): Handle stmt_guard in clast.
3643         (get_construction_edge): Allow construction edge detection for
3644         a scope entry with multiple predecessors if one predecessor is
3645         the immediate dominator of scope entry.
3646         (can_generate_code_stmt): Enable code generation for clast_guard.
3647         (gloog): Use correct context loop.  Removed check for post dominators.
3648         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3649
3650 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3651
3652         * graphite.c (remove_dead_loops): Document better which
3653         loops are removed.
3654
3655 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3656
3657         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3658         and PPLINC.
3659         (graphite.o): Also depends on pointer-set.h.
3660
3661 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3662
3663         * graphite.c (scop_record_loop): Fix compile warning.
3664
3665 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3666             Sebastian Pop  <sebastian.pop@amd.com>
3667
3668         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3669
3670 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3671
3672         * graphite.c (build_graphite_bb): Initialize bb->aux to
3673         point to the graphite_bb_p.
3674         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3675         content of bb->aux.
3676         (add_bb_domains): Does not use the scop parameter.
3677         (graphite_transform_loops): Clean bb->aux at the end.
3678
3679 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3680             Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         * testsuite/lib/target-supports.exp
3683         (check_effective_target_fgraphite): New.
3684
3685         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3686         check_effective_target_fgraphite returns false.
3687         Set dg-do-what-default to compile.
3688         (scan-graphite-dump-times): Removed.
3689         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3690
3691         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3692         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3693         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3694         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3695         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3696         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3697         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3698         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3699         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3700         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3701         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3702         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3703         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3704         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3705         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3706         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3707         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3708         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3709         * testsuite/gcc.dg/graphite/block-0.c: Same.
3710         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3711         * testsuite/gcc.dg/graphite/block-1.c: Same.
3712         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3713         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3714         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3715         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3716         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3717
3718 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3719
3720         * graphite.c: Fix some XXX comments.
3721         (build_scop_dynamic_schedules): Removed.
3722
3723 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3724
3725         * graphite.h (scop_max_loop_depth): Moved...
3726         * graphite.c (scop_max_loop_depth): ...here.
3727         (remove_all_edges_1): New.
3728         (remove_all_edges): Factored code.
3729         (remove_cond_exprs): Check only the last statement for
3730         a GIMPLE_COND expression.
3731
3732 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3733
3734         * graphite.c (scan_tree_for_params): Early return when the
3735         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3736         (find_scop_parameters): Factor out code.
3737         (graphite_trans_bb_strip_mine): Remove dead code.
3738
3739 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3740
3741         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3742         graphite_trans_bb_move_loop): Factor asserts.
3743         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3744         Do not call calculate_dominance_info and estimate_bb_frequencies.
3745
3746 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3747
3748         * graphite.c (create_loops_mapping, free_loops_mapping,
3749         create_loops_mapping_num, debug_loop_mapping_1,
3750         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3751         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3752         graphite_loops_mapping_add_child_num,
3753         graphite_loops_mapping_insert_child,
3754         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3755         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3756         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3757         create_num_from_index, get_num_from_index,
3758         swap_loop_mapped_depth): Removed.
3759         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3760         (free_scop): Do not call free_loops_mapping.
3761         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3762         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3763         get_loop_mapped_depth.
3764         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3765         (graphite_trans_bb_strip_mine): Same.
3766         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3767         (struct scop): Remove field loops_mapping.
3768
3769 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3770             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3771
3772         * graphite.c (scop_record_loop): Factor out one level of the
3773         condition by early return.
3774         (build_scop_loop_nests): Format following FSF coding style.
3775         (build_scop_dynamic_schedules): Factor out code.
3776         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3777
3778 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3779             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3780
3781         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3782         assignments that are not handled as simple operands for now.
3783
3784 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3785             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3786
3787         * graphite.c (build_scop_bbs): Factor up code.
3788
3789 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3790             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3791
3792         * graphite.c (stmt_simple_for_scop_p): Factor code out
3793         of the loop.
3794         (enum gbb_type): New.  Group all the GBB_* types under it.
3795         (is_loop_exit): Moved...
3796         (end_scop): Enable BB spliting.
3797         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3798         * cfgloop.h (is_loop_exit): Declared.
3799
3800 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         * doc/invoke.texi: Remove strides from examples containing
3803         DO loops when the strides are equal to 1.
3804
3805 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3806             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3807
3808         * graphite.c (graphite_trans_scop_block): Or the result with
3809         the result from graphite_trans_loop_block.
3810         * testsuite/gcc.dg/graphite/block-1.c: New.
3811         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3812         * testsuite/gfortran.dg/graphite/block-2.f: New.
3813
3814 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         * graphite.c (graphite_transform_loops): Call cloog_initialize
3817         and cloog_finalize.
3818
3819 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3820
3821         * tree-data-ref.c) (stmt_simple_memref_p): New.
3822         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3823         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3824         (is_simple_operand): Call stmt_simple_memref_p.
3825
3826         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3827         using pointer arithmetic, as this is optimized by PRE and
3828         makes the code too difficult to analyze.
3829
3830         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3831
3832 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * gdbinit.in (pgg): New.
3835
3836 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3837
3838         * graphite.c (graphite_trans_loop_block): Fix warning.
3839
3840 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3841
3842         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3843
3844 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3845
3846         * graphite.c (graphite_trans_bb_block): Remove check for
3847         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3848         Check if loop blocking is profitable for every loop, before applying
3849         the changes.
3850         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3851         if flag_loop_block is set.
3852
3853 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * graphite.c: Add some more documentation for the loop
3856         mapping.
3857
3858 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3859
3860         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3861         * graphite.c: Format on less than 80 columns.
3862         * graphite.h: Same.
3863
3864 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3865
3866         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3867
3868 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3869
3870         * doc/invoke.texi (floop-block, floop-strip-mine,
3871         floop-interchange): Update documentation with examples.
3872
3873 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3874
3875         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3876         add_referenced_var.
3877         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3878
3879 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3880
3881         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3882         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3883         * tree-scalar-evolution.c: Revert useless changes.
3884         * tree-phinodes.c: Same.
3885         * cfghooks.c: Same.
3886         * vec.h: Same.
3887         * tree-vectorizer.h: Same.
3888         * tree-flow.h: Same.
3889         * tree-cfg.c: Same.
3890         * common.opt (fgraphite): Update documentation.
3891
3892 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3893
3894         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3895         -floop-interchange): Add more text for explaining what each of these
3896         flags is doing.
3897         * tree-into-ssa.c (gimple_vec): Moved to...
3898         * graphite.c: Include gimple.h.