gcc/ChangeLog.graphite

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