gcc/ChangeLog.graphite

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