gcc/ChangeLog.graphite

   1 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
   4         the scev analysis when the variable is not used outside the loop
   5         in a close phi node: call compute_overall_effect_of_inner_loop.
   6
   7 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         * graphite-sese-to-poly.c (single_pred_cond): Renamed
  10         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
  11         (build_sese_conditions_before): Renamed call to single_pred_cond.
  12         (build_sese_conditions_after): Same.
  13
  14 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
  15
  16         * graphite-poly.h: Fix comments and indentation.
  17         * graphite-sese-to-poly.c: Same.
  18         (build_sese_conditions_before): Compute stmt and gbb only when needed.
  19         * tree-chrec.c: Fix comments and indentation.
  20         (tree-ssa-loop-niter.c): Same.
  21
  22 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
  23
  24         * refined-regions.c (create_region): Only initialize the region.
  25         (find_regions_with_entry): Initialize parent relation and bbmap
  26         correctly.
  27         (build_regions_tree): Set outermost_region to region instead of
  28         topmost_region.
  29         (calculate_region_tree): Remove unneeded parameters.
  30
  31 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
  32
  33         * graphite-scop-detection.c (is_scop_p): New.
  34         (build_scops_new): New. A skeleton for the new scop detection.
  35         (build_scops_old): Renamed from build_scops.
  36         (build_scops): New version. Call the new and the old scop
  37         detection.
  38
  39 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
  40             Antoniu Pop  <antoniu.pop@gmail.com>
  41
  42         * Makefile.in (OBJS-common): Add refined-regions.o.
  43         (refined-regions.o): New.
  44         (graphite-scop-detection.o): Use refined-regions.h.
  45         * graphite-scop-detection.c: Include refined-regions.h
  46         (build_scops): Also build the refined region tree.
  47         * refined-regions.c: New. Adds an algorithm to detect refined
  48         regions.
  49         (print_refined_region): New.
  50         (debug_refined_region): New.
  51         (refined_region_contains_bb_p): New.
  52         (refined_region_contains_region_p): New.
  53         (is_common_df): New.
  54         (struct find_regions_global_data): New.
  55         (is_region): New.
  56         (typedef struct bb_bb_def): New.
  57         (new_bb_bb_def): New.
  58         (bb_bb_map_hash): New.
  59         (eq_bb_bb_map): New.
  60         (find_new_bb): New.
  61         (bb_reg_def): New.
  62         (new_bb_reg_def): New.
  63         (bb_reg_map_hash): New.
  64         (eq_bb_reg_map): New.
  65         (find_new_region): New.
  66         (insert_new_reg): New.
  67         (insert_new_bb): New.
  68         (insert_shortcut): New.
  69         (get_next_postdom): New.
  70         (create_region): New.
  71         (find_regions_with_entry): New.
  72         (find_regions_adc): New.
  73         (find_regions): New.
  74         (get_topmost_parent): New.
  75         (build_regions_tree): New.
  76         (calculate_region_tree): New.
  77         (free_region_tree): New.
  78         * refined-regions.h: New.
  79         (struct refined_region): New.
  80         (calculate_region_tree): New.
  81         (free_region_tree): New.
  82         (refined_region_contains_bb_p): New.
  83         (refined_region_contains_region_p): New.
  84         (print_refined_region): New.
  85         (debug_refined_region): New.
  86
  87 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
  88
  89         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
  90         size_one_node.
  91
  92 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
  93
  94         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
  95         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
  96
  97 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
  98
  99         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 100         phi_arg_in_outermost_loop.
 101         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 102         (remove_invariant_phi): Same.
 103
 104 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 105
 106         * graphite-blocking.c
 107         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 108         * graphite-clast-to-gimple.c
 109         (clast_to_gcc_expression): Same.
 110         (precision_for_value): Same.
 111         (precision_for_interval): Same.
 112         (gcc_type_for_interval): Same.
 113         (graphite_create_new_guard): Same.
 114         (compute_bounds_for_level): Same.
 115         (graphite_create_new_loop_guard): Same.
 116         * graphite-interchange.c
 117         (build_linearized_memory_access): Same.
 118         (pdr_stride_in_loop): Same.
 119         (memory_strides_in_loop_1): Same.
 120         (memory_strides_in_loop): Same.
 121         (extend_scattering): Same.
 122         (psct_scattering_dim_for_loop_depth): Same.
 123         (pbb_number_of_iterations): Same.
 124         * graphite-poly.h
 125         (debug_iteration_domains): Same.
 126         * graphite-ppl.c
 127         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 128         (ppl_set_inhomogeneous_gmp): Same.
 129         (ppl_strip_loop): Same.
 130         (ppl_lexico_compare_linear_expressions): Same.
 131         (ppl_read_polyhedron_matrix): Same.
 132         (ppl_max_for_le_pointset): Same.
 133         * graphite-ppl.h
 134         (ppl_read_polyhedron_matrix): Same.
 135         (tree_int_to_gmp): Same.
 136         (gmp_cst_to_tree): Same.
 137         (ppl_set_inhomogeneous): Same.
 138         (ppl_set_inhomogeneous_tree): Same.
 139         (ppl_set_coef): Same.
 140         (ppl_set_coef_tree): Same.
 141         * graphite-sese-to-poly.c
 142         (build_pbb_scattering_polyhedrons): Same.
 143         (build_scop_scattering): Same.
 144         (scan_tree_for_params_right_scev): Same.
 145         (scan_tree_for_params): Same.
 146         (find_params_in_bb): Same.
 147         (find_scop_parameters): Same.
 148         (add_upper_bounds_from_estimated_nit): Same.
 149         (build_loop_iteration_domains): Same.
 150         (add_condition_to_domain): Same.
 151         (pdr_add_memory_accesses): Same.
 152
 153 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 154
 155         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 156         CLooG's value_* macros to their respective mpz_* counterparts.
 157         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 158         (graphite_create_new_loop_guard): Same.
 159         * graphite-interchange.c (build_linearized_memory_access): Same.
 160         (pdr_stride_in_loop): Same.
 161         (memory_strides_in_loop_1): Same.
 162         (1st_interchange_profitable_p): Same.
 163         * graphite-poly.c (extend_scattering): Same.
 164         (psct_scattering_dim_for_loop_depth): Same.
 165         (pbb_number_of_iterations): Same.
 166         (pbb_number_of_iterations_at_time): Same.
 167         * graphite-poly.h (new_1st_loop): Same.
 168         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 169         (oppose_constraint): Same.
 170         (insert_constraint_into_matrix): Same.
 171         (ppl_set_inhomogeneous_gmp): Same.
 172         (ppl_set_coef_gmp): Same.
 173         (ppl_strip_loop): Same.
 174         (ppl_lexico_compare_linear_expressions): Same.
 175         (ppl_max_for_le_pointset): Same.
 176         (ppl_min_for_le_pointset): Same.
 177         (ppl_build_realtion): Same.
 178         * graphite-ppl.h (gmp_cst_to_tree): Same.
 179         (ppl_set_inhomogeneous): Same.
 180         (ppl_set_inhomogeneous_tree): Same.
 181         (ppl_set_coef): Same.
 182         (ppl_set_coef_tree): Same.
 183         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 184         (build_scop_scattering): Same.
 185         (add_value_to_dim): Same.
 186         (scan_tree_for_params_right_scev): Same.
 187         (scan_tree_for_params_int): Same.
 188         (scan_tree_for_params): Same.
 189         (find_params_in_bb): Same.
 190         (find_scop_parameters): Same.
 191         (add_upper_bounds_from_estimated_nit): Same.
 192         (build_loop_iteration_domains): Same.
 193         (create_linear_expr_from_tree): Same.
 194         (add_condition_to_domain): Same.
 195         (pdr_add_memory_accesses): Same.
 196
 197 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 198
 199         PR middle-end/43519
 200         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 201         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 202         When converting an unsigned type to signed, double its precision.
 203         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 204         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 205         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 206
 207 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 208
 209         PR middle-end/43519
 210         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 211         build_nonstandard_integer_type.
 212         (gcc_type_for_interval): Same.
 213
 214 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 215
 216         PR middle-end/43519
 217         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 218         POINTER_PLUS_EXPR for pointer types.
 219
 220         * gcc.dg/graphite/id-19.c: New.
 221
 222 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         PR middle-end/43519
 225         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 226         * graphite-clast-to-gimple.c: Include langhooks.h.
 227         (max_signed_precision_type): New.
 228         (max_precision_type): Takes two types as arguments.
 229         (precision_for_value): New.
 230         (precision_for_interval): New.
 231         (gcc_type_for_interval): New.
 232         (gcc_type_for_value): New.
 233         (gcc_type_for_clast_term): New.
 234         (gcc_type_for_clast_red): New.
 235         (gcc_type_for_clast_bin): New.
 236         (gcc_type_for_clast_expr): Split up into several functions.
 237         (gcc_type_for_clast_eq): Rewritten.
 238         (compute_bounds_for_level): New.
 239         (compute_type_for_level_1): New.
 240         (compute_type_for_level): New.
 241         (gcc_type_for_cloog_iv): Removed.
 242         (gcc_type_for_iv_of_clast_loop): Rewritten.
 243         (graphite_create_new_loop): Compute the lower and upper bound types
 244         with gcc_type_for_clast_expr.
 245         (graphite_create_new_loop_guard): Same.
 246         (find_cloog_iv_in_expr): Removed.
 247         (compute_cloog_iv_types_1): Removed.
 248         (compute_cloog_iv_types): Removed.
 249         (gloog): Do not call compute_cloog_iv_types.
 250         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 251         GBB_CLOOG_IV_TYPES.
 252         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 253         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 254         (GBB_CLOOG_IV_TYPES): Removed.
 255
 256         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 257
 258 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 259
 260         Reverted this commit: as at this point the loop closed SSA form
 261         is under a canonical form respecting the single argument condition.
 262         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 263         close phi nodes may have more than one argument.
 264
 265 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 266
 267         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 268         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 269         (detect_commutative_reduction): Same.
 270
 271 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 272
 273         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 274         close phi nodes may have more than one argument.
 275
 276 2010-03-30  Richard Guenther  <rguenther@suse.de>
 277             Zdenek Dvorak  <ook@ucw.cz>
 278             Sebastian Pop  <sebastian.pop@amd.com>
 279
 280         PR middle-end/43464
 281         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
 282         with multiple arguments.
 283         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
 284
 285 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 286
 287         * graphite-dependences.c (print_pddr): Call print_pdr with an
 288         extra argument.
 289         * graphite-poly.c (debug_pdr): Add an extra argument for the
 290         verbosity level.
 291         (print_pdr): Same.
 292         (print_pbb_domain): Same.
 293         (print_pbb): Same.
 294         (print_scop_context): Same.
 295         (print_scop): Same.
 296         (print_cloog): Same.
 297         (debug_pbb_domain): Same.
 298         (debug_pbb): Same.
 299         (print_pdrs): Same.
 300         (debug_pdrs): Same.
 301         (debug_scop_context): Same.
 302         (debug_scop): Same.
 303         (debug_cloog): Same.
 304         (print_scop_params): Same.
 305         (debug_scop_params): Same.
 306         (print_iteration_domain): Same.
 307         (print_iteration_domains): Same.
 308         (debug_iteration_domain): Same.
 309         (debug_iteration_domains): Same.
 310         (print_scattering_function): Same.
 311         (print_scattering_functions): Same.
 312         (debug_scattering_function): Same.
 313         (debug_scattering_functions): Same.
 314         * graphite-poly.h (debug_pdr): Update declaration.
 315         (print_pdr): Same.
 316         (print_pbb_domain): Same.
 317         (print_pbb): Same.
 318         (print_scop_context): Same.
 319         (print_scop): Same.
 320         (print_cloog): Same.
 321         (debug_pbb_domain): Same.
 322         (debug_pbb): Same.
 323         (print_pdrs): Same.
 324         (debug_pdrs): Same.
 325         (debug_scop_context): Same.
 326         (debug_scop): Same.
 327         (debug_cloog): Same.
 328         (print_scop_params): Same.
 329         (debug_scop_params): Same.
 330         (print_iteration_domain): Same.
 331         (print_iteration_domains): Same.
 332         (debug_iteration_domain): Same.
 333         (debug_iteration_domains): Same.
 334         (print_scattering_function): Same.
 335         (print_scattering_functions): Same.
 336         (debug_scattering_function): Same.
 337         (debug_scattering_functions): Same.
 338
 339 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         * graphite-poly.c (print_scattering_function_1): New.
 342         (print_scattering_function): Call it.
 343         (print_scop_params): Remove spaces at the end of lines.
 344         (print_cloog): New.
 345         (debug_cloog): New.
 346         * graphite-poly.h (print_cloog): Declared.
 347         (debug_cloog): Declared.
 348
 349 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 350
 351         * tree-ssa-copy.c: Revert this previous change:
 352         (init_copy_prop): Loop closed phi nodes cancontain more than one
 353         argument.
 354         (execute_copy_prop): Revert the previous change: do not call
 355         rewrite_into_loop_closed_ssa.
 356
 357 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 358             Richard Guenther  <rguenther@suse.de>
 359
 360         PR middle-end/43464
 361         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
 362         contain more than one argument.
 363         (execute_copy_prop): Revert the previous change: do not call
 364         rewrite_into_loop_closed_ssa.
 365
 366         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
 367         * gcc.dg/graphite/id-pr43464-1.c: New.
 368
 369 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 370
 371         PR middle-end/43464
 372         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
 373         and verify_loop_closed_ssa when copy prop is executed in the LNO.
 374
 375         * gcc.dg/graphite/id-pr43464.c: New.
 376
 377 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 378
 379         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
 380         in loop->header.
 381         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
 382         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
 383         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 384         to switch between adding the IV bump in loop->latch or in loop->header.
 385
 386 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 387
 388         * passes.c (init_optimization_passes): Add pass_copy_prop
 389         after Graphite.
 390
 391 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 392
 393         * graphite-poly.c (print_scattering_function): Pretty print following
 394         the scoplib format.
 395         (print_pdr): Same.
 396         (print_pbb_domain): Same.
 397         (dump_gbb_cases): Same.
 398         (dump_gbb_conditions): Same.
 399         (print_pdrs): Same.
 400         (print_pbb): Same.
 401         (print_scop_params): Same.
 402         (print_scop_context): Same.
 403         (print_scop): Same.
 404         (print_pbb_body): New.
 405         (lst_indent_to): New.
 406         (print_lst): Start new lines with a #.
 407         * graphite-poly.h (pbb_bb): New.
 408         (pbb_index): Use pbb_bb.
 409         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 410         disjuncts.
 411         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 412
 413 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 414
 415         PR middle-end/43351
 416         * gcc.dg/graphite/id-pr43351.c
 417
 418 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 419
 420         PR middle-end/43354
 421         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 422         call insert_out_of_ssa_copy for default definitions.
 423         * gfortran.dg/graphite/id-pr43354.f: New.
 424
 425 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 426
 427         PR middle-end/43349
 428         * gfortran.dg/graphite/pr43349.f: New.
 429
 430 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 431
 432         * graphite-clast-to-gimple.c (my_long_long): Defined.
 433         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 434         * graphite-sese-to-poly.c (my_long_long): Defined.
 435         (scop_ivs_can_be_represented): Use it.
 436
 437 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 440         graphite-max-bbs-per-function, and loop-block-tile-size.
 441         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 442         with "maximum".
 443         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 444
 445 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 446
 447         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 448         forward declaration.
 449         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 450         (add_upper_bounds_from_estimated_nit): New.
 451         (build_loop_iteration_domains): Use it.
 452
 453 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 454
 455         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 456
 457 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 458
 459         PR middle-end/43306
 460         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 461         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 462         * gcc.dg/graphite/pr43306.c: New.
 463
 464 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 465
 466         * graphite.c (graphite_initialize): To bound the number of bbs per
 467         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 468         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 469         * doc/invoke.texi: Document it.
 470
 471 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 472
 473         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 474         * graphite-sese-to-poly.h (build_poly_scop): Same.
 475
 476 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 477
 478         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 479         the number of parameters in the scop.  Use as an upper bound
 480         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 481         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 482         * doc/invoke.texi: Document it.
 483
 484 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 485
 486         * graphite-sese-to-poly.c (add_param_constraints): Use
 487         lower_bound_in_type and upper_bound_in_type.
 488
 489 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 490
 491         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 492         instead of unsigned_type_node.
 493
 494 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 495             Reza Yazdani  <reza.yazdani@amd.com>
 496
 497         PR middle-end/43065
 498         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 499         on pointer type parameters.
 500
 501         * gcc.dg/graphite/run-id-4.c: New.
 502
 503 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         PR middle-end/43065
 506         * gcc.dg/graphite/run-id-3.c: New.
 507
 508 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 509             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 510
 511         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 512         handle conversions from pointer to integers.
 513         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 514         induction variable, to be able to work with code generated by CLooG.
 515         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 516         (build_poly_scop): Bail out if we cannot codegen a loop.
 517
 518 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 519
 520         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 521         code generation with gloog_error.
 522
 523 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 524
 525         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 526         Call fold_convert on all the returned values.
 527         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 528         the type of the resulting expression.
 529
 530 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 531
 532         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 533         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 534         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 535
 536 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite-dependences.c (map_into_dep_poly): Removed.
 539         (dependence_polyhedron_1): Use combine_context_id_scat.
 540
 541 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 542
 543         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 544         (struct poly_bb): Same.
 545         (combine_context_id_scat): New.
 546
 547 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         PR middle-end/42326
 550         * sese.c (name_defined_in_loop_p): Return false for default
 551         definitions.
 552
 553         * gcc.dg/graphite/pr42326.c: New.
 554
 555 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 558         and clean up the logic.
 559
 560 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 561
 562         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 563         early return.
 564
 565 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         PR middle-end/43083
 568         * graphite-scop-detection.c (create_single_exit_edge): Move
 569         the call to find_single_exit_edge to....
 570         (create_sese_edges): ...here.  Don't handle multiple edges
 571         exiting the function.
 572         (build_graphite_scops): Don't handle multiple edges
 573         exiting the function.
 574
 575         * gcc.dg/graphite/pr43083.c: New.
 576
 577 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         PR middle-end/43097
 580         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 581         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 582
 583         * gfortran.dg/graphite/pr43097.f: New.
 584
 585 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 586             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 587
 588         PR middle-end/43140
 589         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 590
 591 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         PR middle-end/43026
 594         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 595
 596         * g++.dg/graphite/pr43026.C: New.
 597
 598 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 599
 600         * Merge from mainline (154736:156693).
 601
 602 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         PR middle-end/43012
 605         * gcc.dg/graphite/pr43012.c: New.
 606
 607 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 608
 609         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 610 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         * g++.dg/graphite/pr42930.C: New.
 613
 614 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         PR middle-end/42930
 617         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 618         graphite_can_represent_init for MULT_EXPR.
 619
 620 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 621
 622         PR middle-end/42914
 623         PR middle-end/42530
 624         * graphite-sese-to-poly.c (remove_phi): New.
 625         (translate_scalar_reduction_to_array): Call remove_phi.
 626
 627         * gcc.dg/graphite/pr42530.c: New.
 628         * gcc.dg/graphite/pr42914.c: New.
 629
 630 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 631
 632         PR middle-end/42771
 633         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 634         * graphite-clast-to-gimple.h (gloog): Update declaration.
 635         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 636         * graphite-poly.h (struct poly_bb): Add missing comments.
 637         (struct scop): Add poly_scop_p field.
 638         (POLY_SCOP_P): New.
 639         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 640         * graphite.c (graphite_transform_loops): Build the polyhedral
 641         representation for each scop before code generation.
 642         * sese.c (rename_variables_in_operand): Removed.
 643         (rename_variables_in_expr): Return the renamed expression.
 644         (rename_sese_parameters): New.
 645         * sese.h (rename_sese_parameters): Declared.
 646
 647         * gcc.dg/graphite/pr42771.c: New.
 648
 649 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 650
 651         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 652         return 0 from main.
 653         * gcc.dg/graphite/block-1.c: Same.
 654         * gcc.dg/graphite/block-3.c: Same.
 655         * gcc.dg/graphite/block-4.c: Same.
 656         * gcc.dg/graphite/block-5.c: Same.
 657         * gcc.dg/graphite/block-6.c: Same.
 658         * gcc.dg/graphite/block-7.c: Same.
 659         * gcc.dg/graphite/interchange-0.c: Same.
 660         * gcc.dg/graphite/interchange-1.c: Same.
 661         * gcc.dg/graphite/interchange-10.c: Same.
 662         * gcc.dg/graphite/interchange-11.c: Same.
 663         * gcc.dg/graphite/interchange-12.c: Same.
 664         * gcc.dg/graphite/interchange-2.c: Same.
 665         * gcc.dg/graphite/interchange-3.c: Same.
 666         * gcc.dg/graphite/interchange-4.c: Same.
 667         * gcc.dg/graphite/interchange-5.c: Same.
 668         * gcc.dg/graphite/interchange-6.c: Same.
 669         * gcc.dg/graphite/interchange-7.c: Same.
 670         * gcc.dg/graphite/interchange-8.c: Same.
 671         * gcc.dg/graphite/interchange-9.c: Same.
 672         * gcc.dg/graphite/interchange-mvt.c: Same.
 673
 674 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 675
 676         * gfortran.dg/graphite/id-19.f: New.
 677         * gfortran.dg/graphite/pr14741.f90: New.
 678         * gfortran.dg/graphite/pr41924.f90: New.
 679         * gfortran.dg/graphite/run-id-2.f90: New.
 680
 681 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 682
 683         PR middle-end/42988
 684         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 685         to unknown_dependence.
 686         (graphite_legal_transform_dr): Handle the unknown_dependence.
 687         (graphite_carried_dependence_level_k): Same.
 688
 689 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 690
 691         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 692
 693 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 694             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 695
 696         PR middle-end/42637
 697         * graphite-dependences.c (build_lexicographical_constraint): Return
 698         a union of dependence polyhedra.
 699         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 700
 701         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 702         * gcc.dg/graphite/block-4.c: Same.
 703         * gcc.dg/graphite/block-7.c: Same.
 704         * gcc.dg/graphite/interchange-12.c: Same.
 705         * gcc.dg/graphite/interchange-mvt.c: Same.
 706         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 707         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 708         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 709
 710 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 713         the execution check to FAIL.  This testcase is miscompiled by Graphite
 714         and the check should be re-enabled.
 715         * gcc.dg/graphite/interchange-mvt.c: Same.
 716         * gcc.dg/graphite/block-0.c: Same.
 717         * gcc.dg/graphite/block-4.c: Same.
 718         * gcc.dg/graphite/block-7.c: Same.
 719
 720 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 721
 722         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 723         * gcc.dg/graphite/scop-0.c: Fix spaces.
 724         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 725         * gfortran.dg/graphite/block-2.f: Same.
 726         * gfortran.dg/graphite/block-3.f90: Same.
 727         * gfortran.dg/graphite/block-4.f90: Same.
 728         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 729         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 730
 731 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 732
 733         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 734         PDDR_ORIGINAL_SCATTERING_P.
 735         (pddr_is_empty): Rewritten.
 736         (print_dependence_polyhedron_layout): New.
 737         (print_pddr): New.
 738         (debug_pddr): New.
 739         (build_alias_set_powerset): Moved up.
 740         (poly_drs_may_alias_p): Moved up.
 741         (lexicographically_gt_p): Removed.
 742         (build_lexicographically_gt_constraint): Renamed
 743         build_lexicographical_constraint, reimplemented.
 744         (dependence_polyhedron_1): Simplified parameters.
 745         (dependence_polyhedron): Same.  Keep along empty PDDRs
 746         to make efficient use of the cache.
 747         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 748         (graphite_legal_transform_dr): Rewritten.
 749         (graphite_legal_transform_bb): Pass fewer arguments to
 750         graphite_legal_transform_dr.
 751         (graphite_carried_dependence_level_k): Simplified implementation.
 752         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 753         (dot_transformed_deps_stmt_1): Same.
 754         (dot_original_deps): Same.
 755         (dot_transformed_deps): Same.
 756         * graphite-dependences.h (struct poly_ddr): Added a new field
 757         original_scattering_p.
 758         (PDDR_ORIGINAL_SCATTERING_P): New.
 759         (print_pddr): Declared.
 760         (debug_pddr): Declared.
 761         * graphite-ppl.c: Clarify comment.
 762         * sese.h (print_gimple_bb): Removed unused declaration.
 763         (debug_gbb): Same.
 764
 765 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 766
 767         * g++.dg/graphite/graphite.exp: Rewritten.
 768         * gcc.dg/graphite/graphite.exp: Rewritten.
 769         * gfortran.dg/graphite/graphite.exp: Rewritten.
 770         * gcc.dg/graphite/block-0.c: Added runtime test.
 771         * gcc.dg/graphite/block-1.c: Same.
 772         * gcc.dg/graphite/block-3.c: Same.
 773         * gcc.dg/graphite/block-4.c: Same.
 774         * gcc.dg/graphite/block-5.c: Same.
 775         * gcc.dg/graphite/block-6.c: Same.
 776         * gcc.dg/graphite/block-7.c: Same.
 777         * gcc.dg/graphite/interchange-0.c: Same.
 778         * gcc.dg/graphite/interchange-1.c: Same.
 779         * gcc.dg/graphite/interchange-10.c: Same.
 780         * gcc.dg/graphite/interchange-11.c: Same.
 781         * gcc.dg/graphite/interchange-12.c: Same.
 782         * gcc.dg/graphite/interchange-2.c: Same.
 783         * gcc.dg/graphite/interchange-3.c: Same.
 784         * gcc.dg/graphite/interchange-4.c: Same.
 785         * gcc.dg/graphite/interchange-5.c: Same.
 786         * gcc.dg/graphite/interchange-6.c: Same.
 787         * gcc.dg/graphite/interchange-7.c: Same.
 788         * gcc.dg/graphite/interchange-8.c: Same.
 789         * gcc.dg/graphite/interchange-9.c: Same.
 790         * gcc.dg/graphite/interchange-mvt.c: Same.
 791         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 792
 793 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 794
 795         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 796           background.
 797
 798 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 799
 800         * common.opt: Add -fgraphite-cloog-opts.
 801         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 802         * opts.c (decode_options): Same.
 803
 804 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 805
 806         * gcc.dg/graphite/id-17.c: New.
 807         * gcc.dg/graphite/pr41888.c: New.
 808         * gcc.dg/graphite/scop-22.c: New.
 809         * gfortran.dg/graphite/pr40982.f90: New.
 810
 811 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 812
 813         * graphite-dependences.c: Clarify comments.
 814         (build_pddr): Add an extra parameter direction.
 815         (graphite_legal_transform_dr): Use build_pddr.
 816         (dot_original_deps_stmt_1): Update use of build_pddr.
 817         (dot_transformed_deps_stmt_1): Same.
 818         (dot_original_deps): Same.
 819         (dot_transformed_deps): Same.
 820
 821         * gcc.dg/graphite/interchange-12.c: New.
 822         * gcc.dg/graphite/block-7.c: New.
 823
 824 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 825
 826         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 827         (pddr_transformed_scattering): Removed.
 828         (graphite_legal_transform_dr): Use build_pddr.
 829         (dot_original_deps_stmt_1): Same.
 830         (dot_transformed_deps_stmt_1): Same.
 831         (dot_original_deps): Same.
 832         (dot_transformed_deps): Same.
 833
 834 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 835
 836         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 837         (build_lexicographically_gt_constraint): Same.
 838         (dependence_polyhedron_1): Same.
 839         (dependence_polyhedron): Same.
 840
 841 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 842
 843         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 844         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 845         (lexicographically_gt_p): Change type of direction to int.
 846         (build_lexicographically_gt_constraint): Same.
 847         (dependence_polyhedron_1): Same.
 848         (dependence_polyhedron): Same.
 849         (pddr_original_scattering): Use integers for direction.
 850         (pddr_transformed_scattering): Same.
 851         (graphite_legal_transform_dr): Same.
 852         (graphite_carried_dependence_level_k): Same.
 853
 854 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 855
 856         * graphite-dependences.c (build_pairwise_constraint): Renamed
 857         ppl_build_relation.  Moved...
 858         (dr_equality_constraints): Use ppl_build_relation.
 859         (build_pairwise_scheduling_equality): Same.
 860         (build_pairwise_scheduling_inequality): Same.
 861         * graphite-ppl.c (ppl_build_relation): ...here.
 862         * graphite-ppl.h (ppl_build_relation): Declared.
 863
 864 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 865
 866         PR middle-end/42681
 867         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 868         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 869         Set gloog_error when such an expression failed to be built.
 870         (translate_clast): Early return when gloog_error is set.
 871         (gloog): Clear gloog_error.  When gloog_error is set, call
 872         set_ifsese_condition to enable the original code.  Return the status
 873         of the code generation based on gloog_error.
 874         * sese.c (set_ifsese_condition): New.
 875         * sese.h (set_ifsese_condition): Declared.
 876
 877         * g++.dg/graphite/pr42681.C: New.
 878
 879 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 880
 881         PR middle-end/42732
 882         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 883         rename_nb_iterations.
 884         * sese.c (rename_variables_in_operand): New.
 885         (rename_variables_in_expr): New.
 886         (rename_nb_iterations): New.
 887         (sese_adjust_liveout_phis): Update the rename_map.
 888         * sese.h (rename_nb_iterations): Declared.
 889         * tree-scalar-evolution.c (scev_reset_htab): New.
 890         (scev_reset): Call scev_reset_htab.
 891         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 892
 893         * gfortran.dg/graphite/pr42732.f: New.
 894
 895 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 896
 897         PR middle-end/42393
 898         * graphite-clast-to-gimple.c: Fix formatting.
 899         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 900         (expr_defined_in_loop_p): New.
 901         (add_loop_exit_phis): Also handle full expressions: remove from
 902         the rename_map the expressions defined in the loop that we're closing.
 903
 904         * gfortran.dg/graphite/pr42393-1.f90: New.
 905         * gfortran.dg/graphite/pr42393.f90: Add new flags
 906         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 907         make this testcase useful in the Graphite branch.
 908
 909 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         * graphite-scop-detection.c (exclude_component_ref): Removed.
 912         (is_simple_operand): Removed.
 913         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 914
 915 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 916
 917         PR middle-end/42221
 918         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 919         the array indexing of ADDR_EXPRs.
 920
 921         * gcc.dg/graphite/pr42221.c: New.
 922
 923 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 924
 925         PR middle-end/42521
 926         * graphite.c (graphite_finalize): Call scev_reset.
 927         (graphite_transform_loops): Do not call scev_reset between the code
 928         generation of scops.
 929
 930         * gcc.dg/graphite/pr42521.c: New.
 931
 932 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 933
 934         * graphite-interchange.c (memory_stride_in_loop): Renamed
 935         pdr_stride_in_loop.
 936         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 937         (memory_strides_in_loop): Memoize the memory strides per loop.
 938         (lst_interchange_profitable_p): Do not initialize to zero the memory
 939         strides.
 940         * graphite-poly.h (struct lst): Add a field memory_strides.
 941         (LST_LOOP_MEMORY_STRIDES): New.
 942         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 943         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 944
 945 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 946
 947         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 948         memory_strides_in_loop.  Gather memory strides on a whole loop.
 949         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 950         (lst_interchange_profitable_p): Removed.
 951         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 952
 953 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 954
 955         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 956         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 957         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 958         Remove context_loop and level.
 959
 960 2010-01-07  Richard Guenther  <rguenther@suse.de>
 961
 962         PR tree-optimization/42641
 963         * sese.c (rename_map_elt_info): Use the SSA name version, do
 964         not hash pointers.
 965
 966 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 967
 968         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 969         blocked" only when both the strip mine and the interchange have
 970         been applied.
 971
 972         * gcc.dg/graphite/block-2.c: Removed.
 973         * gcc.dg/graphite/block-3.c: Add scan pattern.
 974         * gcc.dg/graphite/block-4.c: Same.
 975         * gcc.dg/graphite/block-5.c: Same.
 976         * gcc.dg/graphite/block-6.c: Same.
 977
 978 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 979
 980         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 981         before allocating a new one.
 982         (copy_renames): Check that slot is not NULL.
 983         (mark_bb_with_pbb): Same.
 984         (compute_cloog_iv_types_1): Same.
 985         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 986         nest, and after LSTs.
 987         (lst_try_interchange_loops): Same.
 988
 989 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         PR middle-end/42178
 992         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 993         the before, nest, and after LSTs.
 994         (lst_try_interchange): Removed.
 995         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 996         were modified.
 997         (lst_interchange_select_outer): Apply interchange on the outer loop
 998         until there are no more changes in the inner loops.
 999
1000 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1001
1002         Revert patch fixing PR middle-end/42221.
1003
1004 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         PR middle-end/42180
1007         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1008         GIMPLE_CALL.
1009
1010         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1011
1012 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         PR middle-end/42180
1015         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1016         that contain only one statement.
1017
1018         * gfortran.dg/graphite/pr42180.f90: New.
1019
1020 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1021
1022         PR middle-end/42393
1023         * gfortran.dg/graphite/pr42393.f90: New.
1024
1025 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1026
1027         PR middle-end/42186
1028         * gfortran.dg/graphite/pr42186.f90: New.
1029
1030 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1031
1032         PR middle-end/42205
1033         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1034         Insert the reduction copy in the same block as the phi node.
1035         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1036
1037         * gcc.dg/graphite/pr42205-1.c: New.
1038         * gcc.dg/graphite/pr42205-2.c: New.
1039
1040 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1041
1042         PR middle-end/42221
1043         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1044         the array indexing of ADDR_EXPRs.
1045
1046         * gcc.dg/graphite/pr42221.c: New.
1047
1048 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1049
1050         PR middle-end/42178
1051         PR middle-end/42334
1052         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1053         index.  Call lst_interchange_select_inner only once.
1054         (lst_interchange_select_inner): Update use of lst_try_interchange.
1055         (lst_interchange_select_outer): Update.
1056
1057 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1058
1059         PR middle-end/42178
1060         PR middle-end/42334
1061         * graphite-interchange.c (lst_try_interchange): Do not increment the
1062         the OUTER index when there is no AFTER kernel.  Do not increment the
1063         OUTER index for after processing the AFTER kernel.
1064         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1065         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1066         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1067         (scop_do_interchange): Update use of lst_interchange_select_outer.
1068
1069         * gfortran.dg/graphite/graphite.exp
1070         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1071         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1072         the graphite dump file.
1073         * gfortran.dg/graphite/interchange-2.f: Same.
1074         * gfortran.dg/graphite/pr42334-1.f: New.
1075
1076 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1077
1078         PR middle-end/42178
1079         PR middle-end/42334
1080         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1081         that are empty.
1082         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1083         (lst_try_interchange): Reimplemented.
1084         (lst_interchange_select_inner): Same.
1085         (lst_do_interchange): Renamed lst_interchange_select_outer.
1086         Reimplemented.
1087         (scop_do_interchange): Update use of lst_interchange_select_outer.
1088
1089         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1090         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1091         * gcc.dg/graphite/pr42211.c: New.
1092         * gfortran.dg/graphite/pr42334.f90: New.
1093
1094 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         PR middle-end/42181
1097         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1098         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1099
1100         * gfortran.dg/graphite/pr42181.f90: New.
1101
1102 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1103
1104         PR middle-end/42284
1105         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1106         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1107         (detect_commutative_reduction_arg): Simplified.
1108         (detect_commutative_reduction): Early return when the argument of
1109         the close phi is not of an SSA_NAME.
1110
1111         * gcc.dg/graphite/pr42284.c: New.
1112
1113 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1114
1115         * dbgcnt.def (graphite_scop): New counter.
1116         * graphite.c: Include dbgcnt.h
1117         (graphite_transform_loops): Use new counter to limit transformations.
1118
1119 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1120
1121         PR middle-end/42285
1122         * graphite-scop-detection.c (graphite_can_represent_init): Also
1123         handle more complex MULT_EXPRs containing parameters by recursion
1124         on the structure.
1125
1126         * gfortran.dg/graphite/pr42285.f90: New.
1127
1128 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1129
1130         * g++.dg/graphite/pr42130.C: Fix type.
1131
1132 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1133
1134         * g++.dg/graphite/pr42130.C: Correct testcase.
1135
1136 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1137
1138         * Merge from mainline (154493:154734).
1139
1140 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1141
1142         * Merge from mainline (151362:154491).
1143
1144 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1145
1146         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1147         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1148
1149 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1150
1151         PR middle-end/42130
1152         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1153         translate_clast_for_loop): New.
1154         (translate_clast_for): Add a condition around the loop, to do not
1155         execute loops with zero iterations.
1156         * g++.dg/graphite/pr42130.C: New.
1157         * gcc.dg/graphite/pr35356-2.c: Adapt.
1158
1159 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1160
1161         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1162         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1163         Remove context_loop and level.
1164
1165 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1166
1167         * graphite-clast-to-gimple.c (translate_clast_user,
1168         translate_clast_for, translate_clast_guard): Simplify and move common
1169         elements to translate_clast().
1170         (translate_clast): Simplify and get common elements.
1171
1172 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1173
1174         * graphite-clast-to-gimple.c (translate_clast_user,
1175         translate_clast_for, translate_clast_guard): Split out of
1176         translate_clast.
1177
1178 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1179
1180         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1181         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1182         debug_clast_name_indexes_1, debug_clast_name_indexes,
1183         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1184         (clast_name_to_gcc, clast_to_gcc_expression,
1185         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1186         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1187         graphite_create_guard_cond_expr, graphite_create_new_loop,
1188         translate_clast): Add params_index.
1189         (initialize_cloog_names): Create parameter strings from scratch, do
1190         not reference other strings.
1191         (create_params_index): New.
1192         (gloog): Initialize params_index.
1193         * graphite-scop-detection (free_scops_1): Removed.
1194         (limit_scops): Use normal free_scops.
1195         * graphite-sese-to-poly.c (save_var_names): Removed.
1196         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1197         and SESE_PARAMS_INDEX.
1198         * sese.c (new_sese, free_sese): Dito.
1199         * sese.h (struct sese): Remove params_index, params_names.
1200         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1201
1202 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         Revert the following patch from 2009-09-14:
1205         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1206         tree-scalar-evolution.h, and then tree-data-ref.h.
1207         * graphite-clast-to-gimple.c: Same.
1208         * graphite-dependences.c: Same.
1209         * graphite-interchange.c: Same.
1210         * graphite-poly.c: Same.
1211         * graphite-scop-detection.c: Same.
1212         * graphite-sese-to-poly.c: Same.
1213         * graphite.c: Same.
1214         * lambda-code.c: Same.
1215         * matrix-reorg.c: Same.
1216         * tree-data-ref.c: Same.
1217         * tree-if-conv.c: Same.
1218         * tree-loop-distribu: Same.: Same.
1219         * tree-loop-linear.c: Same.
1220         * tree-parloops.c: Same.
1221         * tree-predcom.c: Same.
1222         * tree-vect-patterns.c: Same.
1223
1224 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         Revert patch from 2009-09-14.
1227         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1228         passes at -O1 and below.
1229
1230 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1231
1232         PR middle-end/40281
1233         * gcc.dg/graphite/pr40281.c: New.
1234
1235         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1236         evolutions should not variate in inner loops.
1237
1238 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         PR middle-end/42050
1241         * gfortran.dg/graphite/pr42050.f90: New.
1242
1243 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1246         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1247
1248 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1249
1250         * graphite-blocking.c (scop_do_block): New.
1251         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1252         * graphite-poly.h (scop_do_block): Declared.
1253
1254 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1255
1256         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1257         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1258         to transform depth into the time_depth before calling
1259         pbb_number_of_iterations_at_time.
1260         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1261         lst_depth.
1262
1263 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         Reverted the patch for "scattering permutations" from 2009-10-28.
1266
1267         * graphite-poly.c (print_permutation): New.
1268         (debug_permutation): New.
1269         (new_poly_bb): Initialize PBB_PERMUTATION.
1270         (free_poly_bb): Free PBB_PERMUTATION.
1271         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1272         (struct pbb_permutation_elt): New.
1273         (PBB_PERMUTATION_ELT_STRIDE): New.
1274         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1275         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1276         (new_pbb_permutation_elt): New.
1277         (pbb_permutation_elt_free): New.
1278         (struct poly_bb): Add field permutation.
1279         (PBB_PERMUTATION): New.
1280         (print_permutation): Declared.
1281         (debug_permutation): Declared.
1282
1283 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1284
1285         * graphite-interchange.c (build_partial_difference): New.
1286         (memory_stride_in_loop): Refactored the computation of
1287         equality constraints into build_partial_difference function.
1288         Added support for debugging stride computations.
1289
1290 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1291
1292         * graphite-clast-to-gimple.c (gloog): Free if_region,
1293         if_region->true_region, and if_region->region.
1294         * sese.c (if_region_set_false_region): Free if_region->false_region.
1295         (create_if_region_on_edge): Do not use GGC_NEW.
1296         (move_sese_in_condition): Remove useless initialization.
1297
1298 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1301         for the loops created by the loop distribution.  Do not modify the
1302         input LSTs.
1303         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1304         transformed schedule.  Call lst_update_scattering before data
1305         dependence analysis.
1306         (lst_try_interchange): Pass an extra parameter INDEX.
1307         (lst_do_interchange_1): New.
1308         (lst_do_interchange): Call lst_do_interchange_1.
1309         (scop_do_interchange): Call lst_update_scattering.
1310         * graphite-poly.c (apply_poly_transforms): Do not call
1311         lst_update_scattering.
1312         * graphite-poly.h (lst_pred): New.
1313         (lst_succ): New.
1314         (lst_find_first_pbb): Return NULL when not found.
1315         (lst_empty_p): New.
1316         (lst_insert_in_sequence): Allow LST1 to be NULL.
1317         (lst_replace): New.
1318         (lst_substitute_3): New.
1319         * gcc.dg/graphite/interchange-1.c: XFail.
1320         * gcc.dg/graphite/interchange-8.c: XFail.
1321         * gcc.dg/graphite/interchange-11.c: XFail.
1322
1323 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1324
1325         * graphite-interchange.c (lst_perfectly_nested_p): New.
1326         (lst_perfect_nestify): New.
1327         (lst_try_interchange_loops): Call store_lst_schedule,
1328         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1329         (scop_do_interchange): Avoid redundant legality test.
1330         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1331         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1332         * graphite-poly.h (psct_static_dim): New.
1333         (lst_dewey_number_at_depth): New.
1334         (lst_find_pbb): Restructured.
1335         (lst_find_first_pbb): Restructured.
1336         (lst_find_last_pbb): New.
1337         (lst_contains_p): New.
1338         (lst_contains_pbb): New.
1339         (lst_create_nest): New.
1340         (lst_remove_from_sequence): New.
1341         (pbb_update_scattering): New.
1342         (lst_update_scattering_under): New.
1343         (lst_update_scattering_seq): New.
1344         (lst_update_scattering): New.
1345         (lst_insert_in_sequence): New.
1346         (lst_distribute_lst): New.
1347         (lst_remove_all_before_including_pbb): New.
1348         (lst_remove_all_before_excluding_pbb): New.
1349
1350 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1351
1352         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1353         get_loop_exit_edges.
1354
1355 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1356
1357         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1358
1359 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1360
1361         * graphite-poly.c (print_permutation): New.
1362         (debug_permutation): New.
1363         (new_poly_bb): Initialize PBB_PERMUTATION.
1364         (free_poly_bb): Free PBB_PERMUTATION.
1365         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1366         (struct pbb_permutation_elt): New.
1367         (PBB_PERMUTATION_ELT_STRIDE): New.
1368         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1369         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1370         (new_pbb_permutation_elt): New.
1371         (pbb_permutation_elt_free): New.
1372         (struct poly_bb): Add field permutation.
1373         (PBB_PERMUTATION): New.
1374         (print_permutation): Declared.
1375         (debug_permutation): Declared.
1376
1377 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1378
1379         * graphite-clast-to-gimple.c (gloog): Do not call
1380         sese_reset_aux_in_loops.
1381         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1382         extra argument for domains.  Do not use loop->aux.
1383         (build_scop_iteration_domain): Initialize and free domains, pass it
1384         to build_loop_iteration_domains and extract the information from
1385         domains.  Do not use loop->aux.
1386         * sese.c (sese_reset_aux_in_loops): Removed.
1387         * sese.h (sese_reset_aux_in_loops): Removed.
1388
1389 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1390
1391         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1392         (dependency_in_loop_p): Same.
1393         (translate_clast): Do not use loop->aux.  Initialize
1394         loop->can_be_parallel.
1395         (mark_loops_parallel): Removed.
1396         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1397         * graphite.c (free_aux_in_new_loops): Removed.
1398         (graphite_finalize): Do not call free_aux_in_new_loops.
1399         (graphite_transform_loops): Do not call mark_loops_parallel.
1400
1401 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1402
1403         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1404         (translate_clast): Pass an extra parameter LEVEL.
1405         Call get_scattering_level.
1406         * graphite-clast-to-gimple.h (get_scattering_level): New.
1407
1408 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1411         * cfgloop.h (struct loop): New field single_iv.
1412
1413         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1414         loop->aux anymore: use loop->single_iv.
1415         (graphite_loop_normal_form): Moved...
1416         (build_graphite_loop_normal_form): Removed.
1417         (gloog): Do not call build_graphite_loop_normal_form.
1418         (free_aux_in_new_loops): Moved...
1419         (mark_loops_parallel): Restructure.
1420         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1421         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1422         (scop_canonicalize_loops): New.
1423         (build_poly_scop): Call scop_canonicalize_loops.
1424         * graphite.c (free_aux_in_new_loops): ...here.
1425
1426 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         * g++.dg/graphite/graphite.exp: Add the same rules as in
1429         gcc.dg/graphite/graphite.exp.
1430
1431 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1432
1433         * g++.dg/graphite/id-1.C: New.
1434
1435 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1438         argument base_name.
1439         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1440         (rewrite_phi_out_of_ssa): Same.
1441         (rewrite_cross_bb_scalar_deps): Same.
1442         (translate_scalar_reduction_to_array): Same.
1443
1444 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1447         dump_alias_graphs.
1448
1449 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1452         (build_scop_drs): Call dump_alias_graphs.
1453
1454 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1457         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1458         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1459         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1460         * graphite-poly.h (free_lst): New.
1461         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1462         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1463
1464 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * graphite-poly.h (struct scop): Add a field saved_schedule.
1467         (SCOP_SAVED_SCHEDULE): New.
1468         (store_lst_schedule): New.
1469         (restore_lst_schedule): New.
1470         (store_scattering): Call store_lst_schedule.
1471         (restore_scattering): Call restore_lst_schedule.
1472
1473 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1476         (pdr_add_alias_set): Same.
1477         (build_poly_dr): Same.
1478         (build_alias_set_optimal_p): Same.
1479         (build_base_obj_set_for_drs): Same.  Do not store the result of
1480         graphds_dfs.
1481
1482 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1483
1484         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1485         all_components_are_cliques to 1.
1486
1487 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1488
1489         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1490         the new structure.
1491         (pdr_add_alias_set): Update retrieving alias_set_num.
1492         (build_poly_dr): Update retrieving dr_base_object_set.
1493         (partition_drs_to_sets): Remove.
1494         (build_alias_set_optimal_p): New.
1495         (build_alias_set_for_drs): Rename.
1496         (build_scop_drs): Update.
1497         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1498         (ALIAS_SET_INDEX): Remove.
1499         (BASE_OBJECT_SET_INDEX): Remove.
1500
1501 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1502
1503         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1504
1505 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1508         loop upper bounds for 1-element arrays at end of structures.
1509         * tree-flow.h (array_at_struct_end_p): Declared.
1510         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1511
1512 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1513
1514         * g++.dg/graphite/pr41305.C: New.
1515
1516 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1517
1518         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1519         construction of parameter constraints from loop iteration analysis.
1520         * gcc.dg/graphite/run-id-2.c: New test.
1521
1522 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1525         and new_cstr.
1526
1527 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1528
1529         * graphite-dependences.c (dependence_polyhedron_1): Remove
1530         unused gdim dimensions from the DDR polyhedron.
1531
1532 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * graphite-dependences.c (pddr_transformed_scattering): New.
1535         (dot_original_deps_stmt_1): New.
1536         (dot_transformed_deps_stmt_1): New.
1537         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1538         dot_transformed_deps_stmt_1.
1539         (dot_original_deps): New.
1540         (dot_transformed_deps): New.
1541         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1542
1543 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * graphite-dependences.c (reduction_dr_1): Remove wrong
1546         assert: reduction BBs can have multiple reduction writes
1547         to memory.  interchange-3.f90 is an example.
1548
1549 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * gfortran.dg/graphite/interchange-3.f90: New.
1552
1553 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1556
1557 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         * graphite-dependences.c (dependence_polyhedron_1): Add the
1560         context to the dependence polyhedron.
1561
1562 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1565         PBB_PDR_DUPLICATES_REMOVED.
1566         (new_poly_bb): Same.
1567
1568 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1569
1570         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1571         SCOP_CONTEXT.
1572         (build_loop_iteration_domains): Extract bounds on parameters
1573         based on the data size.
1574         (build_scop_context): Do not initialize SCOP_CONTEXT;
1575         add new constraints.
1576
1577 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1580         * graphite-ppl.h (graphite-ppl.h): Declared.
1581
1582 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * graphite-ppl.c (ppl_print_linear_expr): New.
1585         (debug_ppl_linear_expr): New.
1586         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1587         (debug_ppl_linear_expr): Declared.
1588
1589 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1590
1591         * graphite-interchange.c: Fix comments.
1592         * gcc.dg/graphite/block-1.c: Fix comments.
1593
1594 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1597         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1598
1599 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         Reapply the patch from Alexander Monakov that disappeared during
1602         the last merges from trunk.
1603
1604         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1605
1606         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1607         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1608
1609 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1610
1611         * graphite-interchange.c (memory_stride_in_loop): The depth
1612         argument corresponds to a dynamic time dimension, so use
1613         psct_dynamic_dim to refer to the transformed scattering dimension.
1614
1615 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1616
1617         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1618
1619 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1620
1621         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1622         root of the LST.
1623         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1624         the root of the LST.
1625         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1626         fake loop.
1627         (print_lst): Print the root of LST in a different format.
1628         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1629
1630 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1631
1632         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1633
1634 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1635
1636         * doc/passes.texi: Document the Graphite infrastructure.
1637
1638 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1641         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1642         and check the SSA representation.
1643
1644         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1645
1646 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1649
1650 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1651
1652         * gcc.dg/graphite/interchange-11.c: New.
1653
1654 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1657
1658 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1659
1660         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1661         Add -fno-loop-strip-mine and -fno-loop-interchange.
1662         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1663         -fno-loop-strip-mine.
1664         * gfortran.dg/graphite/graphite.exp: Same.
1665
1666 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1669         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1670         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1671         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1672         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1673         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1674         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1675         DEFAULT_FLAGS_GRAPHITE_SCOP.
1676         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1677         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1678
1679 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1682
1683 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1684             Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * graphite-interchange.c (build_linearized_memory_access): Pass an
1687         offset as parameter.
1688         (memory_stride_in_loop): Include transform scattering in the
1689         access functions to be able to querry the strides in the
1690         transformed loops.
1691         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1692         not the psct_iterator_dim.
1693
1694 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1697         (lst_do_strip_mine_loop): New.
1698         (lst_do_strip_mine): New.
1699         (scop_do_strip_mine): Call lst_do_strip_mine.
1700         * graphite-poly.h (lst_add_loop_under_loop): New.
1701         (lst_find_first_pbb): New.
1702
1703 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1704
1705         * graphite-poly.c (loop_to_lst): Fix LST creation.
1706
1707 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1708
1709         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1710         sizeof(unsigned long) to make it run on 32bit systems.
1711
1712 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1713
1714         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1715         SEGFAULT on 32bit.
1716
1717 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1718
1719         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1720         Comment.
1721         (write_alias_graph_to_ascii_dot): New.
1722         (write_alias_graph_to_ascii_ecc): Ditto.
1723         (partition_drs_to_sets): Add testing of optimality of current method
1724         which assigns alias numbers according to DFS Comopnent number.  used
1725         as heuristic for the upcoming ECC algorithm.
1726         (build_scop_drs): Write to file also with the ecc and dot format.
1727
1728 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * gfortran.dg/graphite/interchange-1.f: XFail.
1731
1732 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1733
1734         * graphite.c (graphite_initialize): Do not handle functions with
1735         more than 100 basic blocks.
1736
1737 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-blocking.c (pbb_do_strip_mine): Use
1740         PARAM_LOOP_BLOCK_TILE_SIZE.
1741
1742 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1743
1744         * graphite-poly.c (dot_lst_1): New.
1745         (dot_lst): New.
1746         * graphite-poly.h (dot_lst): Declared.
1747
1748 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * graphite-dependences.c (dot_deps_stmt_1): New.
1751         (dot_deps_stmt): New.
1752         * graphite-dependences.h (dot_deps_stmt): Declared.
1753
1754 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1755
1756         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1757         not replace cross BB scalar dependences ending on PHI nodes.
1758         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1759
1760 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-poly.c (apply_poly_transforms): Implement the high
1763         level driver for flag_loop_block.
1764         * opts.c (decode_options): Enable flag_loop_block at -O2.
1765         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1766         flag_loop_block.
1767
1768         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1769         -floop-block.
1770         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1771         Add -floop-block.
1772
1773 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         * graphite-poly.h (lst_find_pbb): New.
1776         (find_lst_loop): New.
1777
1778 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1779
1780         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1781         * graphite-poly.h (struct scop): Remove dep_graph field.
1782         (SCOP_DEP_GRAPH): Removed.
1783
1784 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1785
1786         * graphite-poly.h (copy_lst): Do full copy of LST.
1787
1788 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1789
1790         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1791         when the loop stride is zero.
1792
1793         * gcc.dg/graphite/id-16.c: New.
1794
1795 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1796
1797         * graphite-dependences.c (reduction_dr_1): New.
1798         (reduction_dr_p): New.
1799         (graphite_legal_transform_dr): Call reduction_dr_p.
1800         (reduction_ddr): Renamed reduction_ddr_p.
1801         * graphite-poly.h (same_pdr_p): New.
1802         (number_of_write_pdrs): New.
1803         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1804         (split_reduction_stmt): Do not split reduction statements
1805         when there are no writes to memory.
1806         (translate_scalar_reduction_to_array_for_stmt): Insert the
1807         memory reduction statement just after the scalar reduction statement.
1808
1809         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1810         Un-XFAIL-ed.
1811         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1812         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1813
1814 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1815
1816         * graphite-interchange.c (lst_apply_interchange): New.
1817         (lst_interchange_profitable_p): New.
1818         (lst_try_interchange_loops): New.
1819         (lst_try_interchange): New.
1820         (lst_do_interchange): New.
1821         (pbb_do_interchange): Removed.
1822         (scop_do_interchange): Call lst_do_interchange.
1823
1824 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1827         SCOP_TRANSFORMED_SCHEDULE.
1828         (loop_to_lst): New.
1829         (scop_to_lst): New.
1830         (print_lst): New.
1831         (debug_lst): New.
1832         * graphite-poly.h (lst_p): New.
1833         (struct lst): New.
1834         (LST_LOOP_P): New.
1835         (LST_LOOP_FATHER): New.
1836         (LST_PBB): New.
1837         (LST_SEQ): New.
1838         (scop_to_lst): Declared.
1839         (print_lst): Declared.
1840         (debug_lst): Declared.
1841         (new_lst_loop): New.
1842         (new_lst_stmt): New.
1843         (copy_lst): New.
1844         (lst_depth): New.
1845         (lst_dewey_number): New.
1846         (struct scop): Add original_schedule and transformed_schedule fields.
1847         (SCOP_ORIGINAL_SCHEDULE): New.
1848         (SCOP_TRANSFORMED_SCHEDULE): New.
1849         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1850
1851 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-dependences.c (reduction_ddr): New.
1854         (graphite_legal_transform_bb): Call reduction_ddr.
1855         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1856         Initialize PBB_IS_REDUCTION.
1857         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1858         (PBB_IS_REDUCTION): New.
1859         (new_poly_bb): Update declaration.
1860         * graphite-scop-detection.h (build_scop_bbs): Removed.
1861         (nb_reductions_in_loop): Removed.
1862         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1863         parameter for reductions.
1864         (try_generate_gimple_bb): Update call to new_poly_bb.
1865         (build_scop_bbs_1): Same.
1866         (build_scop_bbs): Same.
1867         (gsi_for_phi_node): New.
1868         (scalar_close_phi_node_p): Remove gcc_assert.
1869         (split_reduction_stmt): New.
1870         (is_reduction_operation_p): New.
1871         (phi_contains_arg): New.
1872         (follow_ssa_with_commutative_ops): New.
1873         (detect_commutative_reduction_arg): New.
1874         (detect_commutative_reduction_assign): New.
1875         (follow_inital_value_to_phi): New.
1876         (edge_initial_value_for_loop_phi): New.
1877         (initial_value_for_loop_phi): New.
1878         (detect_commutative_reduction): New.
1879         (translate_scalar_reduction_to_array_for_stmt): New.
1880         (insert_copyout): New.
1881         (insert_copyin): New.
1882         (translate_scalar_reduction_to_array): New.
1883         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1884         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1885         (rewrite_commutative_reductions_out_of_ssa): New.
1886         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1887         * sese.h (split_region_for_bb): New.
1888
1889         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1890         * gcc.dg/graphite/interchange-1.c: Fix format.
1891         * gcc.dg/graphite/interchange-10.c: New.
1892
1893 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1894
1895         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1896         buggy assert.
1897
1898 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1899
1900         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1901         (rewrite_cross_bb_scalar_dependence): New.
1902         (rewrite_cross_bb_scalar_deps): New.
1903         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1904         Call rewrite_cross_bb_scalar_deps.
1905
1906 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1907
1908         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1909         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1910         gsi_for_stmt.
1911
1912 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1915         * graphite-interchange.c (pbb_do_interchange): Same.
1916         * graphite-poly.c (print_scattering_function): Same.
1917         (debug_pdrs): Same.
1918         * graphite-poly.h (pbb_loop): New.
1919         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1920
1921 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1922
1923         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1924
1925 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1926
1927         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1928         so don't pass a pointer to it.
1929         (build_alias_set_for_drs): Same.
1930         (build_base_obj_set_for_drs): Same.
1931         (build_scop_drs): Same.
1932
1933 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1934
1935         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1936         the alias graph of data references.
1937
1938 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1939
1940         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1941         (build_scop_drs): When debugging, write the alias graph to file,
1942         otherwise, should be disabled.
1943
1944 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1945
1946         * Merge from mainline (151310:151361).
1947
1948 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         * Merge from mainline (151171:151310).
1951
1952 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         * Merge from mainline (151171:151806).
1955
1956 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         * Revert the last commit.
1959
1960 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         * Merge from mainline (151171:151819).
1963
1964 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1965
1966         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1967         (is_simple_operand): Remove call to stmt_simple_memref_p.
1968         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1969
1970 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1971
1972         * gcc.dg/graphite/interchange-mvt.c: New File.
1973         * gcc.dg/graphite/scop-dsyrk.c: New File.
1974         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1975         * gcc.dg/graphite/scop-mvt.c: New File.
1976         * gcc.dg/graphite/scop-sor.c: New File.
1977
1978 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1979
1980         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1981         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1982         (graphite_carried_dependence_level_k): Ditto.
1983         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1984         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1985         (new_poly_dr): Adjust declaration.
1986         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1987         (free_gimple_bb): Added free_data_refs_aux.
1988         (build_poly_dr): Add dr_base_object_set.
1989         (partition_drs_to_sets): New.
1990         (dr_same_base_object_p): New.
1991         (build_alias_set_for_drs): New.
1992         (build_base_object_set_for_drs): New.
1993         (build_scop_drs): Add build_base_obj_set_for_drs.
1994         * graphite-sese-to-poly.h: Added #define for alias set number index and
1995         base object set index.
1996         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1997         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1998
1999 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2000
2001         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2002         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2003
2004 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         * graphite-sese-to-poly.c (struct irp_data): Removed.
2007         (idx_record_params): Removed.
2008         (find_params_in_bb): Scan for parameters the access functions; don't
2009         parse the tree representation.
2010
2011 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2012
2013         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2014         passes at -O1 and below.
2015
2016 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2019         tree-scalar-evolution.h, and then tree-data-ref.h.
2020         * graphite-clast-to-gimple.c: Same.
2021         * graphite-dependences.c: Same.
2022         * graphite-interchange.c: Same.
2023         * graphite-poly.c: Same.
2024         * graphite-scop-detection.c: Same.
2025         * graphite-sese-to-poly.c: Same.
2026         * graphite.c: Same.
2027         * lambda-code.c: Same.
2028         * matrix-reorg.c: Same.
2029         * tree-data-ref.c: Same.
2030         * tree-if-conv.c: Same.
2031         * tree-loop-distribu: Same.: Same.
2032         * tree-loop-linear.c: Same.
2033         * tree-parloops.c: Same.
2034         * tree-predcom.c: Same.
2035         * tree-vect-patterns.c: Same.
2036
2037 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         Partially revert the previous patch, except the following.
2040         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2041         as parameters the operands of the not expression.
2042
2043 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2044
2045         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2046         Do not call analyze_scalar_evolution on assignments.
2047         (instantiate_scev_phi): Call analyze_scalar_evolution.
2048         (instantiate_scev_name): Call instantiate_scev_assign and
2049         instantiate_scev_phi.
2050         (instantiate_scev_not): Adapted to pass as parameters the operands
2051         of the not expression.
2052
2053 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2054
2055         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2056         to pass as parameters the operands of the binary expression.
2057
2058 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2059
2060         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2061         instantiate_scev_not.  Handle NEGATE_EXPR.
2062         (instantiate_scev_r): Handle NEGATE_EXPR.
2063
2064 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2067         instantiate_scev_r.
2068         (instantiate_scev_r): Move code in instantiate_scev_2
2069         and instantiate_scev_1.
2070
2071 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2072
2073         * tree-scalar-evolution.c (instantiate_scev_3): New.
2074         (instantiate_scev_1): Move code in instantiate_scev_3.
2075
2076 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2079         (instantiate_scev_1): Move code in instantiate_scev_poly.
2080
2081 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2082
2083         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2084         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2085
2086 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2089         (instantiate_scev_1): Move code in instantiate_scev_convert.
2090
2091 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2094         (instantiate_scev_1): Move code in instantiate_scev_binary.
2095
2096 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * tree-scalar-evolution.c (instantiate_scev_name): New.
2099         (instantiate_scev_1): Move code in instantiate_scev_name.
2100
2101 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * Merge from mainline (150992:151171).
2104
2105 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2108
2109 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         * graphite-dependences.c (graphite_legal_transform_bb): Call
2112         pbb_remove_duplicate_pdrs.
2113         * graphite-poly.c (can_collapse_pdr): Removed.
2114         (pdr_find_duplicate): Removed.
2115         (can_collapse_pdrs): New.
2116         (pbb_remove_duplicate_pdrs): New.
2117         (new_poly_dr): Do not look for duplicates.
2118         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2119         (PBB_PDR_DUPLICATES_REMOVED): New.
2120         (pbb_remove_duplicate_pdrs): Declared.
2121
2122 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2123
2124         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2125         the strides by multiplying by PDR_NB_REFS.
2126         * graphite-poly.c (can_collapse_pdr): New.
2127         (pdr_find_duplicate): New.
2128         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2129         Initialize PDR_NB_REFS.
2130         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2131         (PDR_NB_REFS): New.
2132         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2133
2134 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2135
2136         Revert one of the previous commits:
2137         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2138         the computation of symmetric data dependence relations.
2139         (dependency_between_pbbs_p): Same.
2140
2141 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         PR middle-end/40965
2144         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2145         any transform.
2146
2147 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * graphite-dependences.c (pddr_original_scattering): Return NULL
2150         for read-read dependence relations.
2151         * graphite-poly.h (enum poly_dr_type): Fix comment.
2152         (pdr_read_p): New.
2153         (pdr_write_p): New.
2154         (pdr_may_write_p): New.
2155
2156 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2159         (struct poly_dr): Same.
2160         (new_poly_dr): Same.
2161         * graphite-poly.c (new_poly_dr): Same.
2162
2163 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2164             Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2167         pbb_strip_mine_time_depth.  Changed the implementation so that
2168         transformation is expressed as a transformation on
2169         time (scatttering) dimensions.  Also, ensures that the 2d+1
2170         scheduling format is preserved.
2171         (pbb_strip_mine_profitable_p): Profitability is based on the
2172         iteration number of a given time (scattering) dimension,
2173         and not on a original loop depth dimension.
2174         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2175         (pbb_do_strip_mine): Call psct_dynamic_dim.
2176         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2177         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2178         (pbb_nb_dynamic_scattering_transform): New.
2179         (psct_dynamic_dim): New.
2180
2181 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2182
2183         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2184         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2185         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2186         * graphite-interchange.c (build_linearized_memory_access): Same.
2187         (memory_stride_in_loop): Same.
2188
2189 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2190
2191         * graphite-dependences.c (pddr_original_scattering): New.
2192         (graphite_legal_transform_dr): Call pddr_original_scattering.
2193         (dot_deps_1): New.
2194         (dot_deps): New.
2195         * graphite-dependences.h (dot_deps): Declared.
2196         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2197         (print_pdr): Print PDR_ID.
2198         * graphite-poly.h (struct poly_dr): Add field id.
2199         (PDR_ID): New.
2200         (pbb_index): New.
2201         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2202
2203 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2204
2205         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2206         not delete the original dependence relation.
2207
2208 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2209
2210         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2211         the computation of symmetric data dependence relations.
2212         (dependency_between_pbbs_p): Same.
2213
2214 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2215
2216         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2217         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2218         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2219         (free_poly_ddr): New.
2220         (pddr_is_empty): New.
2221         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2222         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2223         Remove fprintfs.
2224         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2225         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2226         * graphite-dependences.h (enum poly_dependence_kind): New.
2227         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2228         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2229         (PDRP_SINK): Renamed PDDR_SINK.
2230         (PDRP_DDP): Renamed PDDR_DDP.
2231         (PDDR_KIND): New.
2232         (free_poly_ddr): Declared.
2233         * graphite-poly.c (new_scop): Use the new hash function names.
2234         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2235         into original_pddrs.
2236         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2237
2238 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         * Merge from mainline (150764:150992).
2241
2242 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2243
2244         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2245         bounds with LT_EXPR to make niter analysis more precise on code
2246         generated by Graphite.
2247
2248 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2249
2250         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2251         (graphite_legal_transform_bb): Same.
2252         (poly_drs_may_alias_p): Same.
2253
2254 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         PR middle-end/40981
2257         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2258         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2259
2260 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2261
2262         * graphite-poly.c (print_pbb): Print PBB index.
2263
2264 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2265
2266         * Merge from mainline (r150672:150764).
2267
2268 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2269
2270         * graphite-interchange.c (ppl_max_for_le): Moved...
2271         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2272         * graphite-ppl.c (ppl_max_for_le): ... here.
2273         * graphite-ppl.h (ppl_max_for_le): Declared.
2274
2275 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * Merge from mainline (r150372:150672).
2278
2279 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         PR middle-end/40980
2282         * sese.c (convert_for_phi_arg): New.
2283         (add_guard_exit_phis): Use convert_for_phi_arg.
2284
2285         * gfortran.dg/graphite/id-17.f: New.
2286
2287 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2288
2289         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2290         unknown subscript upper bounds.
2291
2292         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2293
2294 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2295             Pranav Garg  <pranav.garg2107@gmail.com>
2296
2297         * graphite-interchange.c (gather_access_strides): Removed.
2298         (ppl_max_for_le): New.
2299         (build_linearized_memory_access): New.
2300         (memory_stride_in_loop): New.
2301         (pbb_interchange_profitable_p): Reimplemented.
2302         * graphite-ppl.h (ppl_new_id_map): New.
2303         (ppl_interchange): New.
2304
2305         * gcc.dg/graphite/interchange-6.c: XFAILed.
2306
2307 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2308
2309         * graphite-interchange.c (compute_subscript): Removed.
2310         (compute_array_size_cstr): Removed.
2311         (compute_array_size_poly): Removed.
2312         (compute_array_size): Removed.
2313         (gather_access_strides_poly): Removed.
2314         (gather_access_strides): Empty.
2315
2316 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * graphite-dependences.c (dependence_polyhedron_1): Replace
2319         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2320         (graphite_legal_transform_dr): Same.
2321         (graphite_carried_dependence_level_k): Same.
2322         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2323         Initialize PDR_NB_SUBSCRIPTS.
2324         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2325         PDR_NB_SUBSCRIPTS.
2326         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2327         (PDR_NB_SUBSCRIPTS): New.
2328         (pdr_nb_subscripts): Removed.
2329         (pdr_dim): Simplified.
2330         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2331         with PDR_NB_SUBSCRIPTS.
2332
2333 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2334
2335         * graphite-interchange.c (compute_array_size): Remove use of
2336         PDR_DATA_CONTAINER.
2337         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2338         Do not initialize PDR_DATA_CONTAINER.
2339         (print_pdr): Do not print PDR_DATA_CONTAINER.
2340         * graphite-poly.h (struct poly_dr): Remove data_container field.
2341         (PDR_DATA_CONTAINER): Removed.
2342         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2343         PDR_DATA_CONTAINER.
2344         (build_poly_dr): Same.
2345
2346 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2347
2348         * gcc.dg/graphite/interchange-9.c: New.
2349
2350 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2351             Sebastian Pop  <sebastian.pop@amd.com>
2352
2353         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2354         copy of the dependence polyhedron.  Free the temporary objects.
2355         (graphite_carried_dependence_level_k): Free unused objects before
2356         returning.
2357
2358         * gcc.dg/graphite/interchange-1.c: XFAILed.
2359         * gcc.dg/graphite/interchange-2.c: XFAILed.
2360         * gcc.dg/graphite/interchange-3.c: XFAILed.
2361         * gcc.dg/graphite/interchange-4.c: XFAILed.
2362         * gcc.dg/graphite/interchange-7.c: XFAILed.
2363
2364 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2367         Early return without analyzing the data dependences if no
2368         transform has been done.  Call restore_scattering if the transform
2369         is not legal.
2370         (graphite-interchange.c): Same.
2371         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2372         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2373         (apply_poly_transforms): Do not gcc_assert that
2374         the transform is legal.
2375         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2376         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2377         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2378         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2379         * graphite-poly.h (struct poly_scattering): New.
2380         (struct poly_bb): Add original, transformed, and saved fields.
2381         Remove transformed_scattering, original_scattering, nb_local_variables,
2382         and nb_scattering_transform fields.
2383         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2384         (poly_scattering_new): New.
2385         (poly_scattering_free): New.
2386         (poly_scattering_copy): New.
2387         (store_scattering_pbb): New.
2388         (store_scattering): New.
2389         (restore_scattering_pbb): New.
2390         (restore_scattering): New.
2391         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2392         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2393
2394 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2397         (print_scop): Same.
2398
2399 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2400
2401         * Makefile.in (graphite.o): Depends on PREDICT_H.
2402         * graphite.c: Include predict.h.
2403         (graphite_finalize): Call tree_estimate_probability.
2404         * predict.c (predict_loops): Do not call scev_initialize and
2405         scev_finalize.
2406         (tree_estimate_probability_bb): New.
2407         (tree_estimate_probability): Do not initialize loops: move that
2408         code to the driver.  Call tree_estimate_probability_bb.
2409         (tree_estimate_probability_driver): New.
2410         (pass_profile): Use tree_estimate_probability_driver.
2411         * predict.h (tree_estimate_probability): Declared.
2412
2413 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2414
2415         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2416         * graphite-dependences.c (graphite_legal_transform): Add time to
2417         TV_GRAPHITE_DATA_DEPS.
2418         (dependency_between_pbbs_p): Same.
2419         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2420
2421 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2422
2423         * Merge from mainline (r149952:150372).
2424
2425 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2428         * graphite-blocking.c: Same.
2429         * graphite-clast-to-gimple.c: Same.
2430         * graphite-dependences.c: Same.
2431         * graphite-poly.c: Same.
2432         * graphite-poly.h: Same.
2433         * graphite-ppl.c: Same.
2434         * graphite-scop-detection.c: Same.
2435         * graphite-sese-to-poly.c: Same.
2436         * graphite.c: Same.
2437
2438 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2439
2440         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2441         (remove_simple_copy_phi): New.
2442         (remove_invariant_phi): New.
2443         (simple_copy_phi_p): New.
2444         (reduction_phi_p): New.
2445         (gsi_for_ssa_name_def): New.
2446         (insert_out_of_ssa_copy): New.
2447         (insert_out_of_ssa_copy_on_edge): New.
2448         (create_zero_dim_array): New.
2449         (scalar_close_phi_node_p): New.
2450         (rewrite_close_phi_out_of_ssa): New.
2451         (rewrite_phi_out_of_ssa): New.
2452         (rewrite_reductions_out_of_ssa): New.
2453         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2454
2455         * gcc.dg/graphite/id-11.c: New.
2456         * gcc.dg/graphite/id-15.c: New.
2457         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2458         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2459         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2460         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2461         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2462         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2463         * gfortran.dg/graphite/id-13.f: New.
2464         * gfortran.dg/graphite/id-5.f: New.
2465
2466 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2469         check that nb_reductions_in_loop is zero.
2470         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2471         reduction phi nodes.
2472         (nb_reductions_in_loop): Removed.
2473         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2474         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2475         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2476         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2477         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2478
2479 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2480
2481         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2482         statements that have an empty iteration domain.
2483         * gfortran.dg/graphite/id-16.f: New.
2484
2485 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * tree-scalar-evolution.c (instantiate_scev_1): Return
2488         chrec_dont_know when the result is not above instantiate_below.
2489         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2490         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2491         the tree has a known scalar evolution.
2492         * gfortran.dg/graphite/id-14.f: New.
2493         * gfortran.dg/graphite/id-15.f: New.
2494
2495 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2496
2497         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2498         insert_gsi.
2499         (rename_variables): Keep inserting renames after the ones already
2500         inserted.
2501
2502 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2503
2504         * graphite-sese-to-poly.c (compare_bb_depths): New.
2505         (graphite_sort_dominated_info): New.
2506         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2507         (build_scop_scattering): Fix comment.
2508
2509 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2510
2511         * graphite.c (graphite_finalize): Call print_loops instead of
2512         dump_function_to_file.
2513         * gcc.dg/graphite/graphite.exp: Fix formatting.
2514         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2515         loops generated in the graphite output file.
2516         * gcc.dg/graphite/pr35356-2.c: New.
2517         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2518         * gfortran.dg/graphite/id-12.f: New.
2519
2520 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2521
2522         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2523         Remove 2 XFAIL.
2524
2525 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2526             Tobias Grosser  <grosser@fim.uni-passau.de>
2527
2528         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2529         alias set number build alias in ACCESSES polyhedron.
2530         (build_alias_set_for_drs): New.
2531         (build_pbb_drs): Added build_alias_set_for_drs.
2532         * graphite-dependences.c (poly_drs_may_alias_p): New.
2533         (graphite_carried_dependence_level_k): Check alias information
2534         before building polyhedron.
2535
2536 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2537
2538         * Makefile.in (lambda-code.o): Fix formatting.
2539
2540 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2541
2542         * Merge from mainline (r149350-149952)
2543
2544 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2545
2546         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2547         before interchange to prepare for loop blocking.
2548
2549 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2550
2551         * graphite-poly.c (apply_poly_transforms): Add checks after every
2552         transformation.
2553         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2554         done in apply_poly_transforms.
2555
2556 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2557
2558         * graphite-dependences.c (build_lexicographically_gt_constraint):
2559         Replace RES parameter with *RES.
2560         (dependence_polyhedron_1): Pass an address of the parameter RES
2561         instead of value of RES.
2562
2563 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2564
2565         * graphite.c (graphite_finalize): Fix comment.
2566         (graphite_transform_loops): Reset scev info after code generation
2567         of each scop.
2568
2569 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * graphite.c (graphite_finalize): Call scev_reset.
2572
2573 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2576         GBB_CLOOG_IV_TYPES hash table twice.
2577         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2578         (add_condition_to_domain): Clear GMP values.
2579
2580 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * graphite-dependences.c: Fix formatting.
2583         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2584         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2585         * graphite-sese-to-poly.c: Fix formatting.
2586         * graphite.c (graphite_transform_loops): Create the hash table
2587         after the early return.
2588
2589 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591         * gcc.dg/graphite/id-14.c: New.
2592         * gcc.dg/graphite/pr40157.c: New.
2593         * gfortran.dg/graphite/id-11.f: New.
2594
2595 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2596
2597         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2598         (build_poly_scop): Return false when there are no pbbs within
2599         loops to avoid to pass to cloog scops with no loops.
2600
2601 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2602
2603         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2604         useless test "i % 2".
2605         (build_pbb_scattering_polyhedrons): Fix formatting.
2606         (build_poly_dr): Same.
2607         * graphite.c (graphite_transform_loops): Restructure.
2608
2609 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2610
2611         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2612         reduction_list parameter.
2613         (rewrite_all_phi_nodes_with_iv): Same.
2614         (canonicalize_loop_ivs): Same.
2615         * tree-parloops.c (struct brli): Removed.
2616         (build_reduction_list_info): Removed.
2617         (build_new_reduction): New.
2618         (analyze_reduction_list): Removed.
2619         (gather_scalar_reductions): Find reductions instead of phi
2620         nodes that can't be canonicalized.
2621         (try_create_reduction_list): Remove reduction_list parameter.
2622         (gen_parallel_loop): Same.
2623         (parallelize_loops): Remove analyze_reductions variable,
2624         initialization and free.
2625         Change reduction_list htab initialization to reduction_info
2626         elements instead of ssa names.
2627         Call try_create_reduction_list and gen_parallel_loop without
2628         analyzed_reduction argument.
2629         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2630         canonicalize_loop_ivs with one less argument.
2631         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2632
2633 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2634
2635         * graphite-dependences.c (new_poly_dr_pair): New.
2636         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2637         (new_poly_dr_pair): New.
2638         (eq_poly_dr_pair_p): New.
2639         (hash_poly_dr_pair_p): New.
2640         * graphite-dependences.h (struct poly_dr_pair): New.
2641         (eq_poly_dr_pair_p): Declared.
2642         (hash_poly_dr_pair_p): Declared.
2643         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2644         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2645         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2646         * Makefile.in (graphite-poly.o): Add dependence on
2647         graphite-dependences.h.
2648
2649 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2652         polynomials of degree > 1 pass to Graphite.
2653         * tree-chrec.c (scev_is_linear_expression): Call
2654         evolution_function_is_affine_multivariate_p.
2655         * gfortran.dg/graphite/id-10.f90: New.
2656
2657 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2658
2659         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2660         Instantiate scevs varying in outer loops.
2661         * gfortran.dg/graphite/id-9.f: Correct testcase.
2662
2663 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2664
2665         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2666         redundant constraint.
2667
2668 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2669
2670         * gcc.dg/graphite/graphite.exp: Fix comments.
2671         * gfortran.dg/graphite/graphite.exp: Trigger actions
2672         based on the file names as in the C testsuite.
2673         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2674         * gfortran.dg/graphite/block-2.f: Same.
2675         * gfortran.dg/graphite/block-3.f90: Same.
2676         * gfortran.dg/graphite/block-4.f90: Same.
2677         * gfortran.dg/graphite/id-1.f90: Same.
2678         * gfortran.dg/graphite/id-2.f90: Same.
2679         * gfortran.dg/graphite/id-3.f90: Same.
2680         * gfortran.dg/graphite/id-4.f90: Same.
2681         * gfortran.dg/graphite/id-6.f: Same.
2682         * gfortran.dg/graphite/id-9.f: Same.
2683         * gfortran.dg/graphite/interchange-1.f: Same.
2684         * gfortran.dg/graphite/interchange-2.f: Same.
2685         * gfortran.dg/graphite/scop-1.f: Same.
2686
2687 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * sese.c (expand_scalar_variables_call): New.
2690         (expand_scalar_variables_ssa_name): Handle calls in expander.
2691
2692 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2695         Expect to see the pattern twice.
2696         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2697         * gcc.dg/graphite/interchange-5.c: Same.
2698         * gcc.dg/graphite/interchange-6.c: Same.
2699
2700 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         * gcc.dg/graphite/id-10.c: New.
2703         * gcc.dg/graphite/id-12.c: New.
2704         * gfortran.dg/graphite/id-7.f: New.
2705         * gfortran.dg/graphite/id-8.f: New.
2706
2707 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2708
2709         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2710         zero.
2711
2712 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2713
2714         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2715
2716 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2717
2718         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2719
2720 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2723         building PDR subscripts.
2724
2725 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2728         computation of array sizes.
2729
2730 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2733
2734 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2735
2736         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2737         build_pairwise_constraint, dr_equality_constraints,
2738         build_pairwise_scheduling_equality,
2739         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2740         build_lexicographically_gt_constraint, dependence_polyhedron,
2741         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2742         Move from NNC_Polyhedron to C_Polyhedron.
2743         * graphite-interchange.c (compute_array_size_poly,
2744         gather_access_strides): Dito.
2745         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2746         free_scop, pbb_number_of_iterations): Dito.
2747         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2748         pbb_dim_iter_domain, struct scop): Dito.
2749         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2750         new_Cloog_Domain_from_ppl_Polyhedron,
2751         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2752         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2753         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2754         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2755         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2756         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2757         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2758         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2759         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2760         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2761         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2762         build_scop_iteration_domain, build_poly_dr): Dito
2763
2764 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2767         run-id-*.c files.
2768         * gcc.dg/graphite/run-id-1.c: New.
2769
2770 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2773         positivity constraint on the symbolic number of iterations.
2774
2775 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2776
2777         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2778
2779 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2780             Tobias Grosser  <grosser@fim.uni-passau.de>
2781
2782         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2783         (build_cloog_prog): Directly use SCOP_CONTEXT.
2784         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2785         (free_scop): Free SCOP_CONTEXT.
2786         (print_scop_context): New.
2787         (print_scop): Call print_scop_context.
2788         (debug_scop_context): New.
2789         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2790         (struct scop): Added field context.
2791         (SCOP_CONTEXT): New.
2792         * graphite-sese-to-poly.c (add_param_constraints): New.
2793         (build_scop_context): New.
2794         (build_poly_scop): Call build_scop_context.
2795
2796 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2797
2798         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2799         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2800         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2801         * graphite-ppl.h: Include double-int.h and tree.h.
2802         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2803         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2804         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2805         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2806
2807 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2808
2809         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2810         POINTER_PLUS_EXPR for pointer types.
2811         (clast_to_gcc_expression): Same.
2812
2813 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2814
2815         * graphite-poly.c (print_scattering_function): Early return when
2816         PBB_TRANSFORMED_SCATTERING is not initialized.
2817         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2818
2819 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2820
2821         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2822         to fix bootstrap.
2823
2824 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2825
2826         * tree-parloops.c (analyze_reduction_list): Change return
2827         value to void.
2828         (try_create_reduction_list): Move the call to
2829         analyze_reduction_list to the beginining.
2830         Call reduction_phi with analyzed_reductions as argument
2831         instead of reduction_list.
2832
2833 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2834
2835         *  Merge from mainline (r148296:149346)
2836
2837 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2838
2839         * graphite-scop-detection.c (graphite_can_represent_init): New.
2840         (graphite_can_represent_scev): Call graphite_can_represent_init:
2841         check that the initial value does not contain multiplications of
2842         parameters.
2843         (stmt_has_simple_data_refs_p): New.
2844         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2845         (is_simple_operand): Fix formatting.
2846         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2847
2848 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * gcc.dg/graphite/id-13.c: New.
2851         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2852         analyze_scalar_evolution, use scalar_evolution_in_region.
2853         (scan_tree_for_params_right_scev): Add extra assert.
2854         (parameter_index_in_region_1): Split from parameter_index_in_region.
2855         (idx_record_params): Use scalar_evolution_in_region.
2856         (find_params_in_bb): Same.
2857         (find_scop_parameters): Same.
2858         (build_loop_iteration_domains): Same.
2859         (create_linear_expr_from_tree): Same.
2860         * sese.c (scalar_evolution_in_region): New.
2861         * sese.h (scalar_evolution_in_region): Declared.
2862         (defined_in_sese_p): New.
2863         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2864         static anymore.
2865         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2866         Declared.
2867
2868 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2869
2870         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2871         TREE_DATA_REF_H also implies SCEV_H.
2872
2873 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * graphite-poly.c (print_scop_params): New.
2876         (print_scop): Call print_scop_params.
2877         (debug_scop_params): New.
2878         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2879
2880 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2881
2882         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2883         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2884         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2885         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2886         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2887         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2888
2889 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2890
2891         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2892         for dependency checking part.
2893         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2894         tests for dependency checking.
2895         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2896         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2897         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2898         flag -fdump-tree-graphite-all for autopar testsuites.
2899
2900 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2901
2902         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2903         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2904         canonicalize_loop_ivs): Moved...
2905         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2906
2907 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2908
2909         * tree-parloops.c (try_create_reduction_list): Pass an extra
2910         argument analyzed_reductions.  Call analyze_reduction_list.
2911         (gen_parallel_loop): Do not call analyze_reduction_list.
2912         (parallelize_loops): Init and finalize analyzed_reductions.
2913
2914 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2915
2916         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2917         Added flag -fno-loop-strip-mine for autopar testcase.
2918
2919 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2920
2921         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2922         transformed scattering dimension instead of unmatch orignal when
2923         calling dependence_polyhedron.
2924
2925 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2926
2927         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2928
2929 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2930
2931         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2932         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2933
2934 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2935
2936         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2937         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2938         * graphite-poly.c (pbb_number_of_iterations): New.
2939         * graphite-poly.h (pbb_number_of_iterations): Declared.
2940         (pbb_iterator_dim, pbb_parameter_dim): New.
2941
2942 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2943
2944         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2945         last commit on type of lower and upper bound of loops.
2946
2947 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2948
2949         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2950         graphite-dependences.h.
2951         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2952         (mark_bb_with_pbb): New.
2953         (get_stmtfor_depth): New.
2954         (find_pbb_via_hash): New.
2955         (dependency_in_loop_p): New.
2956         (mark_loops_parallel): New.
2957         (free_aux_in_new_loops): New.
2958         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2959         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2960         innermost loop parallel without checking.
2961         (gloog): Add parameter BB_PBB_MAPPING.
2962         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2963         (gloog): Change declaration.
2964         (mark_loop_parallel): Make extern.
2965         (free_aux_in_new_loops): Declare.
2966         (bb_pbb_map_hash): New.
2967         (eq_bb_pbb_map): New.
2968         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2969         auto parallelization when flag_graphite_force_parallel is set.
2970         (graphite_finalize): Added free_aux_in_new_loops.
2971         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2972         the innermost loop that marked parallel.  Use
2973         flag_graphite_force_parallel instead of loop->can_be_parallel.
2974         (loop_parallel_p): Move inner most checking out of function.
2975
2976 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2977
2978         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2979         type of lower and upper bound of loops signed long int.
2980
2981 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2982
2983         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2984         expression outside the loop.
2985
2986 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2987
2988         * gcc.dg/graphite/interchange-8.c: New.
2989
2990 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2991
2992         * gcc.dg/graphite/interchange-0.c: XFailed.
2993         * gcc.dg/graphite/interchange-5.c: XFailed.
2994         * gcc.dg/graphite/interchange-6.c: XFailed.
2995
2996 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * graphite-interchange.c (compute_array_size_poly): The end of the
2999         recursion should return 1.
3000
3001 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3002
3003         * graphite-interchange.c (compute_array_size_cstr): Allow the
3004         subscript multiplier to be -1.
3005         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3006         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3007         data_container.  Initializes PDR_DATA_CONTAINER.
3008         (print_pdr_access_layout): New.
3009         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3010         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3011         data_container.
3012         (PDR_DATA_CONTAINER): New.
3013         (new_poly_dr): Update declaration.
3014         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3015         (build_poly_dr): Call pdr_add_data_dimensions.
3016
3017 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3018
3019         * graphite-poly.h (struct poly_dr): Fix comment.
3020         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3021         (pdr_add_memory_accesses): New.
3022         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3023
3024 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3027         (print_pbb): Add call to print_pdrs.
3028         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3029
3030 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3031             Li Feng <nemokingdom@gmail.com>
3032
3033         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3034         (dependency_between_pbbs_p): New.
3035         (lexicographically_gt_p): Assure !empty_p before polyhedron
3036         intersection assign.
3037         (build_lexicographically_gt_constraint): Correct lexicographically
3038         judging.
3039         * graphite-dependences.h: New.
3040         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3041
3042 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3045         (gloog): Print to dump_file the generated clast.
3046         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3047         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3048
3049 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3050
3051         * graphite-poly.c (extend_scattering): Increment
3052         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3053
3054 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3055
3056         * graphite-interchange.c (compute_array_size_poly): Added exit of
3057         recursion condition.  Continue iterating even after the first equality.
3058         (compute_array_size): Same.
3059
3060 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3061
3062         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3063         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3064         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3065         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3066         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3067
3068 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3071         only when the use verifies is_gimple_reg.
3072
3073 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3076         Allocate scaldims after call to unify_scattering_dimensions.
3077
3078 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3079
3080         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3081
3082 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3083             Albert Cohen  <albert.cohen@inria.fr>
3084
3085         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3086         variables for the strip mining.
3087
3088 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3089             Pranav Garg  <pranav.garg2107@gmail.com>
3090
3091         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3092         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3093         (graphite-blocking.o): New rule.
3094         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3095         * graphite-blocking.c: New.
3096         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3097         flag_loop_strip_mine.
3098         (psct_scattering_dim_for_loop_depth): New.
3099         * graphite-poly.h (scop_do_strip_mine): Declared.
3100         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3101         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3102         flag_loop_strip_mine.
3103
3104 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3105
3106         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3107         a GMP value and a PPL coefficient at each iteration of a loop.
3108
3109 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3110
3111         * graphite-dependences.c (dependence_polyhedron): Do not use
3112         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3113         pbb_nb_scattering_transform.
3114         (graphite_legal_transform_dr): Same.
3115         * graphite-poly.c (extend_scattering): Same.
3116         (unify_scattering_dimensions): Same.
3117         (print_scattering_function): Same.
3118         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3119         PBB_NB_LOCAL_VARIABLES.
3120         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3121         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3122         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3123         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3124         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3125         (pbb_nb_scattering_transform): New.
3126         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3127         (psco_scattering_dim): Add assert on parameters.
3128         (psct_scattering_dim): Same.
3129         (psct_scattering_dim_for_loop_depth): Declared.
3130         (psct_local_var_dim): New.
3131         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3132         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3133         correct layout, call pbb_nb_local_vars.
3134         (psct_add_local_variable, psct_add_scattering_dimension): New.
3135         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3136         Initialize PBB_NB_SCATTERING_TRANSFORM.
3137
3138 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3139
3140         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3141         (set_coef): Renamed ppl_set_coef.
3142         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3143
3144 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3145
3146         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3147         test a boolean against 1.
3148         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3149         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3150         (pbb_do_interchange): Returns true when a transform has been performed.
3151         (scop_do_interchange): Same.
3152         * graphite-poly.c (apply_poly_transforms): Use the return value of
3153         scop_do_interchange.
3154         * graphite-poly.h (scop_do_interchange): Update declaration.
3155
3156 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3157
3158         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3159         after last use.
3160         * sese.c (sese_reset_aux_in_loops): New.
3161         * sese.h (sese_reset_aux_in_loops): New.
3162
3163 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3166         multiplier and multiply the constant by the multiplier.
3167         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3168         (build_poly_dr): Do not use the multiplier to define the subscript.
3169
3170 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3171
3172         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3173         compiler's data reference.  Initialize PDR_CDR.
3174         (print_pdr): Call dump_data_reference.
3175         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3176         Add compiler_dr field.
3177         (PDR_BB): Renamed PDR_PBB.
3178         (PDR_CDR): New.
3179         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3180         GCC's data reference representation.
3181         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3182         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3183
3184 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3185
3186         * graphite-poly.c (print_scattering_function): Also print the layout.
3187         * graphite-poly.h (pbb_nb_local_vars): New.
3188
3189 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3190
3191         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3192
3193 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3194
3195         * graphite-poly.c (print_pdr, debug_pdr): New.
3196         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3197         (PDR_BASE): Removed.
3198
3199 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3200
3201         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3202         ltrans-{1..6,8}.c.
3203
3204 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3207         subscript identification column.
3208         (pbb_do_interchange): Print to dump_file that some loops "will be
3209         interchanged".  Rely on that chain of characters in the testcases.
3210         * gcc.dg/graphite/interchange-0.c: New.
3211         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3212         interchange-*.c files and compile them with -floop-interchange.
3213
3214 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3215
3216         * graphite-interchange.c (interchange_profitable_p): Renamed
3217         pbb_interchange_profitable_p.
3218
3219 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3220             Harsha Jagasia  <harsha.jagasia@amd.com>
3221             Pranav Garg  <pranav.garg2107@gmail.com>
3222
3223         * graphite-interchange.c (interchange_profitable_p): Make static.
3224         (pbb_interchange_loop_depths, pbb_do_interchange,
3225         scop_do_interchange): New.
3226         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3227         for flag_loop_interchange.
3228         * graphite-poly.h (scop_do_interchange): Declared.
3229         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3230         flag_loop_interchange is used.
3231
3232 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3233
3234         * graphite-dependences.c (dependence_polyhedron): Update use of
3235         pbb_nb_scattering_dims.
3236         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3237         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3238         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3239         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3240
3241 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3242
3243         * graphite.c: Cleanup foo.
3244
3245 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3246
3247         * Merge from mainline (r143684:148293).
3248         * Disabled libpcp until it gets fixed.
3249
3250 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3251             Harsha Jagasia  <harsha.jagasia@amd.com>
3252
3253         * graphite-interchange.c: New.
3254         * Makefile.in (graphite-interchange.o): New.
3255         * graphite-poly.h (interchange_profitable_p): Declared.
3256         * graphite-ppl.h (value_max): New.
3257
3258 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3261         * graphite-poly.h: Fix some comments.
3262         (pdr_dim): New.
3263         (pdr_scop): New.
3264
3265 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * graphite-poly.h
3268         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3269         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3270         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3271         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3272         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3273         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3274         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3275         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3276         * graphite-clast-to-gimple.c: Same.
3277         * graphite-dependences.c: Same.
3278         * graphite-poly.c: Same.
3279         * graphite-sese-to-poly.c: Same.
3280
3281 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3282
3283         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3284         expressions for an IV rename, as returned by clast_to_gcc_expression.
3285         (copy_renames): Rename new_name to expr.
3286         * sese.c (debug_rename_elt): Same.
3287         (get_rename): Same.
3288         (set_rename): Same.
3289         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3290         the information from the rename map.
3291         (rename_variables_in_stmt): Same.
3292         (add_loop_exit_phis): Rename new_name to expr.
3293         (insert_loop_close_phis): Same.
3294         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3295         * sese.h (struct rename_map_elt): Rename new_name to expr.
3296         (new_rename_map_elt): Same.
3297
3298 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3301         * sese.c (set_rename): Make it extern.
3302         * sese.h (set_rename): Declared.
3303
3304 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3305
3306         * graphite-poly.c (extend_scattering): Free values.
3307         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3308         Free iterators.
3309         (ppl_print_powerset_matrix): Same.
3310         * graphite-scop-detection.c (free_scops_1): New.
3311         (limit_scops): Call free_scops_1.
3312         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3313         (build_poly_dr): Free PPL coefficients.
3314         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3315
3316 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-dependences.c: New.
3319         * graphite-data-ref.c: Removed.
3320         * graphite-data-ref.h: Removed.
3321         * Makefile.in (graphite-data-ref.o): Removed.
3322         (graphite-dependences.o): Added.
3323         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3324         * graphite-poly.c: Same.
3325         Move the data dependence testing to graphite-dependences.c.
3326
3327 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3328
3329         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3330         from graphite_cannot_represent_loop. Code refactored.
3331         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3332
3333 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3334
3335         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3336         Cover all the testcases (not only the filtered ones).
3337
3338 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3339
3340         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3341         unnecessary check. Update comments. Move check for REAL_TYPE here.
3342         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3343         done in (stmt_simple_for_scop_p).
3344
3345 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3346
3347         * graphite.c (print_global_statistics): New.
3348         (print_graphite_scop_statistic): New.
3349         (print_graphite_statistics): New.
3350         (graphite_initialize, graphite_transform_loops): Print statistics.
3351         * graphite-scop-detection (build_scops): Print statistics.
3352         (print_graphite_scop_statistics): New.
3353         (print_graphite_statistics): New.
3354
3355 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3358         (debug_clast_name_index): Removed.
3359         (debug_clast_name_indexes_1): Removed.
3360         (debug_clast_name_indexes): Removed.
3361         (clast_name_index_elt_info): Removed.
3362         (eq_clast_name_indexes): Removed.
3363         (clast_name_to_index): Removed.
3364         (new_clast_name_index): Removed.
3365         (save_clast_name_index): Removed.
3366         (save_var_name): Moved...
3367         (init_sese_params_index): Removed.
3368         (clast_name_to_gcc): Remove use of name_tree.
3369         (initialize_cloog_names): Same.
3370         (gloog): Do not call init_sese_params_index.
3371         * graphite-sese-to-poly.c (save_var_name): ...here.
3372         (parameter_index_in_region): New.
3373         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3374         (parameter_index_in_region): Removed.
3375         (is_parameter): Remove use of name_tree.
3376         * sese.h (struct name_tree): Removed.
3377         (struct sese): Remove use of name_tree.  New field params_names.
3378         (SESE_PARAMS_NAMES): New.
3379         (SESE_PARAMS): Remove duplicate.
3380         (parameter_index_in_region): Removed.
3381         (sese_nb_params): Remove use of name_tree.
3382         (struct clast_name_index): New.
3383         (new_clast_name_index): New.
3384         (clast_name_to_index): New.
3385         (save_clast_name_index): New.
3386         (debug_clast_name_index): New.
3387         (debug_clast_name_indexes_1): New.
3388         (debug_clast_name_indexes): New.
3389         (clast_name_index_elt_info): New.
3390         (eq_clast_name_indexes): New.
3391
3392 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3395         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3396         (graphite_loop_normal_form): Do not pass region.  Do not
3397         initialize SESE_OLDIVS.
3398         (build_graphite_loop_normal_form): Update call to
3399         graphite_loop_normal_form.
3400         * sese.c (debug_oldivs): Removed.
3401         (new_sese): Do not initialize SESE_OLDIVS.
3402         (free_sese): Do not free SESE_OLDIVS.
3403         (oldiv_for_loop): Removed.
3404         * sese.h (struct sese): Remove old_ivs.
3405         (SESE_OLDIVS): Removed.
3406         (oldiv_for_loop): Removed.
3407
3408 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3409
3410         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3411         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3412         replaced by a call to newivs_to_depth_to_newiv.
3413         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3414         (clast_to_gcc_expression_red): Same.
3415         (gcc_type_for_clast_expr): Same.
3416         (gcc_type_for_clast_eq): Same.
3417         (graphite_translate_clast_equation): Same.
3418         (graphite_create_guard_cond_expr): Same.
3419         (graphite_create_new_guard): Same.
3420         (graphite_create_new_loop): Same.
3421         (build_iv_mapping): Same.
3422         (translate_clast): Same.
3423         (gloog): Same.
3424         (loop_iv_stack_patch_for_consts): Removed.  *
3425         sese.c (iv_stack_entry_is_constant): Removed.
3426         (iv_stack_entry_is_iv): Removed.
3427         (loop_iv_stack_push_iv): Removed.
3428         (loop_iv_stack_insert_constant): Removed.
3429         (loop_iv_stack_pop): Removed.
3430         (loop_iv_stack_get_iv): Removed.
3431         (loop_iv_stack_get_iv_from_name): Removed.
3432         (debug_loop_iv_stack): Removed.
3433         (free_loop_iv_stack): Removed.
3434         (loop_iv_stack_remove_constants): Removed.  *
3435         sese.h (iv_stack_entry_kind): Removed.
3436         (iv_stack_entry_data_union): Removed.
3437         (iv_stack_entry_struct): Removed.
3438         (iv_stack_entry_p): Removed.
3439         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3440         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3441         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3442         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3443         (gbb_loop_at_index): Fix indenting.
3444         (gbb_loop_index): Removed.
3445
3446 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3449         Call clast_name_to_index.
3450
3451 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3452
3453         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3454         do not pass params.  Get params from SESE_PARAMS.
3455         (clast_to_gcc_expression): Same.
3456         (clast_to_gcc_expression_red): Same.
3457         (gcc_type_for_clast_eq): Same.
3458         (graphite_translate_clast_equation): Same.
3459         (graphite_create_new_loop): Same.
3460         * sese.c (rename_variables_in_stmt): Fix comment.
3461
3462 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3463
3464         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3465         newivs_index.
3466         Call save_clast_name_index.
3467         (translate_clast): Pass newivs_index.
3468         (gloog): Create and free newivs_index.
3469
3470 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3471
3472         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3473         (clast_name_index_p): New type.
3474         (debug_clast_name_index): New.
3475         (debug_clast_name_indexes_1): New.
3476         (debug_clast_name_indexes): New.
3477         (clast_name_index_elt_info): New.
3478         (eq_clast_name_indexes): New.
3479         (clast_name_to_index): New.
3480         (new_clast_name_index): New.
3481         (save_clast_name_index): New.
3482         (init_sese_params_index): New.
3483         (gloog): Call init_sese_params_index.
3484         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3485         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3486         (free_sese): Free SESE_PARAMS_INDEX.
3487         * sese.h (struct sese): Add params_index.
3488         (SESE_PARAMS_INDEX): New.
3489
3490 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3491
3492         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3493         (graphite_create_new_loop): Pass the newivs vector.  Push the
3494         newly created IV to newivs.
3495         (translate_clast): Pass the newivs vector.
3496         (gloog): Create and destroy the newivs vector.
3497
3498 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3499
3500         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3501         (graphite_loop_normal_form): Initialize loop->aux with the unique
3502         IV that has been created.
3503
3504 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3505
3506         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3507         scev with parameters in the base part. They where forbidden
3508         exidently.
3509
3510 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3511
3512         * gcc.dg/graphite/graphite.exp: Set different default
3513         compile options by file names.
3514         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3515         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3516         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3517         * gcc.dg/graphite/scop-matmult.c: Ditto.
3518
3519 2009-05-08  Li Feng <nemokingdom@gmail.com>
3520
3521         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3522         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3523         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3524         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3525
3526 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3527
3528         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3529         by final cleanup.
3530
3531 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3532
3533         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3534         allow integer constant strides.
3535         (graphite_can_represent_expr): Depend on outermost_loop.
3536         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3537         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3538         build_scops_1): Same.
3539         (scopdet_basic_block_info): Same and insert layered SCoP
3540         detection.
3541         (try_generate_gimple_bb): Cleanup.
3542         (build_scops): Enable data references.
3543
3544         * gcc.dg/graphite/id-5.c: New.
3545         * gcc.dg/graphite/id-9.c: New.
3546         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3547         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3548
3549 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3550
3551         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3552         that we have not yet built for this SCoP.
3553
3554 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3555
3556         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3557         for complex numbers.
3558
3559 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3560
3561         * graphite-ppl.c: Fix build if cloog is not available.
3562
3563 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3564
3565         * tree-parloops.c (loop_parallel_p): Remove construction of
3566         NITER and REDUCTION_LIST.
3567         (try_get_loop_niter): New.
3568         (try_create_reduction_list): New.
3569         (parallelize_loops): Bypass the failed checkings in autopar
3570         when can_be_parallel in loop structure is set to true.
3571
3572 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3573
3574         * gcc.dg/graphite/id-6.c: Update testcase.
3575         * gcc.dg/graphite/scop-3.c: Dito.
3576
3577 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3578
3579         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3580         Enable EQ_EXPR and NE_EXPR again.
3581
3582 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3583
3584         * graphite-scop-detection.c (graphite_can_represent_scev):
3585         Add check if scev is affine multivariate.
3586         (harmful_stmt_in_bb): Check if we can represent the conditions.
3587         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3588         harmful_stmt_in_bb.
3589         * gcc.dg/graphite/id-7.c: New.
3590
3591 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3592
3593         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3594         Check all bbs in region, not only the bbs that are represented in
3595         GRAPHITE.
3596         (build_poly_scop): Add newline.
3597         * gcc.dg/graphite/id-8.c: New.
3598
3599 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3600
3601         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3602         when loop initialize.
3603         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3604         * common.opt: Declare flag_graphite_force_parallel.
3605         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3606         loop parallel.
3607         * graphite-poly.c (apply_poly_transforms): Introduce
3608         flag_graphite_force_parallel.
3609         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3610         * toplev.c (process_options): ditto and replace a not correctly
3611         encoded space.
3612
3613 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3614
3615         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3616         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3617         to the redefinition.
3618         (compute_cloog_iv_types_1): ditto.
3619         (build_iv_mapping): ditto.
3620         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3621         initialization.
3622         (free_gimple_bb): Removed GBB_LOOPS related free part.
3623         (build_bb_loops): Removed.
3624         * sese.h (struct gimple_bb): Removed loops.
3625         (GBB_LOOPS): Removed.
3626         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3627         (gbb_loop_index): ditto.
3628
3629 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3630
3631         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3632         allow non constant strides.
3633         * gcc.dg/graphite/scop-20.c: New.
3634
3635 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3636
3637         * graphite-scop-detection.c (dot_all_scops): Fix system call
3638         return value warning.
3639         (dot_scop): Same.
3640
3641 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3642
3643         * gcc.dg/graphite/id-6.c: Fix pattern.
3644         * gcc.dg/graphite/scop-3.c: Same.
3645
3646 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3647
3648         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3649         build_pairwise_constraint, dr_equality_constraints,
3650         build_pairwise_scheduling_equality,
3651         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3652         build_lexicographically_gt_constraint, dependence_polyhedron,
3653         graphite_legal_transform_dr, graphite_legal_transform_bb,
3654         graphite_legal_transform): New.
3655         * graphite-poly.h (graphite_legal_transform): Declared.
3656         * graphite-sese-to-poly.c (build_poly_scop): Call to
3657         graphite_legal_transform is disabled for the moment.
3658
3659 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3660
3661         * graphite-poly.h (pbb_nb_scattering_dims): New.
3662         (pbb_nb_scattering): Use it.
3663
3664 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3665
3666         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3667         Pointset_Powerset version of ppl_insert_dimensions.
3668         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3669
3670 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3671
3672         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3673
3674 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3675
3676         * graphite-poly.h: Fix comment.
3677
3678 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3679
3680         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3681
3682 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3683
3684         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3685         statements.
3686
3687 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3688
3689         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3690         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3691         conditions.
3692
3693 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3694
3695         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3696         handle EQ_EXPR and NE_EXPR.
3697
3698 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3699
3700         * graphite-poly.h (poly_dr): Fix comment.
3701
3702 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3703             Tobias Grosser  <grosser@fim.uni-passau.de>
3704
3705         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3706         with a zero dimension polyhedron.
3707         (find_scop_parameters): Move the call to scop_set_nb_params here.
3708         (build_loop_iteration_domains): Store in loop->aux the iteration
3709         domain polyhedron.
3710         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3711         by any loop in scop.
3712         (build_poly_scop): Do not call scop_set_nb_params.
3713
3714 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3715             Tobias Grosser  <grosser@fim.uni-passau.de>
3716
3717         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3718         add_condition_to_domain not GT_EXPR.
3719
3720 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3721
3722         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3723         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3724         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3725         upper_bound_assign to calculate unions.
3726         * gcc.dg/graphite/id-6.c: New.
3727
3728 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3729
3730         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3731         handle abnormal edges.
3732
3733 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3734
3735         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3736         (free_poly_bb): Also free poly_drs.
3737         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3738         (poly_dr): Polyhedron to Pointset_Powerset.
3739         (pdr_accessp_nb_subscripts): Same.
3740         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3741         poly_drs.
3742
3743 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3744
3745         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3746         names into more meaningful names.
3747
3748 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3749
3750         * gfortran.dg/graphite/interchange-1.c: New.
3751         * gfortran.dg/graphite/interchange-2.c: New.
3752
3753 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3754
3755         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3756         the reduction_list.
3757         * tree-parloops.c (rewrite_phi_with_iv): New.
3758         (rewrite_all_phi_nodes_with_iv): New.
3759         (canonicalize_loop_ivs): Call them.
3760
3761 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3764         graphite_find_data_references_in_stmt.
3765         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3766         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3767
3768 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3769
3770         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3771
3772 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3773
3774         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3775         instead of bb_in_region.
3776         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3777         (build_sese_conditions): Use flag_bb_in_sese.
3778         * sese.c (register_bb_in_sese): Removed.
3779         (new_sese): Remove initialization of SESE_REGION_BBS.
3780         (free_sese): Do not free SESE_REGION_BBS.
3781         * sese.h (struct sese): Remove field region_basic_blocks.
3782         (SESE_REGION_BBS): Removed.
3783         (bb_in_sese_p): Implement in function of bb_in_region.
3784
3785 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3786
3787         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3788         loops.
3789
3790 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3791
3792         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3793         and EQ_EXPR.
3794         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3795         (add_condition_to_domain): New.
3796         (add_condition_to_pbb): New.
3797         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3798         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3799
3800 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3801
3802         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3803         ppl_Pointset_Powerset.
3804         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3805         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3806         (pbb_nb_loops): Same.
3807         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3808         add_conditions_to_domain): Same.
3809         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3810         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3811         ppl_const_Polyhedron_t.
3812         (ppl_print_powerset_matrix): New.
3813         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3814         ppl_print_powerset_matrix): New.
3815         (ppl_print_polyhedron_matrix): Updated.
3816
3817 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3818
3819         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3820
3821 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3822
3823         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3824         (print_iteration_domains, debug_iteration_domain,
3825         debug_iteration_domains): New.
3826         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3827         debug_iteration_domains): Declared.
3828         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3829         indenting.
3830
3831 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3832             Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite-poly.h (print_iteration_domain): New.
3835         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3836         (build_sese_conditions_1, build_sese_conditions_after,
3837         build_sese_conditions_before): New.
3838         (build_sese_conditions): Rewritten.
3839
3840 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3841             Tobias Grosser  <grosser@fim.uni-passau.de>
3842
3843         Cleanup of code generation liveouts.
3844         * graphite-clast-to-gimple.c (translate_clast): Use a single
3845         rename_map instead of one per translated statement.
3846         Do not use SESE_LIVEOUT_RENAMES.
3847         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3848         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3849         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3850         phi node of a reduction: when a loop contains a reduction used outside
3851         the loop, there should be a scalar close phi node on the exit block.
3852         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3853         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3854         (free_sese): Do not free them.
3855         (sese_build_liveouts_use): Do not use them.
3856         (sese_build_liveouts_bb): Same.
3857         (sese_build_liveouts): Same.
3858         (sese_insert_phis_for_liveouts): Same.
3859         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3860         (defined_in_loop_p): New.
3861         (alive_after_loop): New.
3862         (close_phi_not_yet_inserted_p): New.
3863         (struct alep, alep_p): New.
3864         (add_loop_exit_phis): Remove from the rename_map all the names defined
3865         in the code generated loop.
3866         (insert_loop_close_phis): Traverse the rename_map passed to it.
3867         Don't use SESE_LIVEOUT_RENAMES.
3868         (default_liveout_before_guard): Renamed default_before_guard.
3869         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3870         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3871         (register_sese_liveout_renames): Removed.
3872         (copy_bb_and_scalar_dependences): Do not call it.
3873         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3874         reduction_list.
3875         (SESE_LIVEOUT): Removed.
3876         (SESE_LIVEOUT_RENAMES): Removed.
3877         (SESE_REDUCTION_LIST): Removed.
3878         (sese_build_liveouts): Removed.
3879         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3880         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3881         (insert_guard_phis): Same.
3882         (rename_map_elt): Declare a VEC of them.
3883         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3884         trees not pointers to trees.
3885
3886         Rewrite in canonical close SSA form:
3887         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3888         (limit_scops): Close the scop after the block containing the close phi
3889         nodes.
3890         (canonicalize_loop_closed_ssa): New.
3891         (canonicalize_loop_closed_ssa_form): New.
3892         (build_scops): Call canonicalize_loop_closed_ssa_form.
3893
3894         * graphite-sese-to-poly.c: Fix typos.
3895
3896 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3897
3898         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3899         Extended.
3900         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3901         (print_pbb): Add conditions.
3902
3903 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3904             Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3907         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3908         (build_scop_bbs_1): New.
3909         (build_scop_bbs): Rewrite.
3910         * sese.h (bb_in_region): New.
3911
3912 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3913
3914         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3915         poly_drs vector.
3916         (print_scop): Style.
3917         * graphite-poly.h (poly_bb): Add drs vector.
3918         (PBB_DRS): Add accessor.
3919         * graphite-sese-to-poly.c (build_poly_dr): New.
3920         (build_pbb_drs, build_scop_drs): New.
3921         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3922
3923 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3924
3925         * tree-ssa-loop.c: Include forgotten toplev.h
3926
3927 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3928
3929         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3930         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3931         * gcc.dg/graphite/pr37928.c: Same
3932         * gcc.dg/graphite/pr38409.c: Same
3933         * gcc.dg/graphite/pr38498.c: Same
3934         * gcc.dg/graphite/pr38559.c: Same
3935         * gcc.dg/graphite/pr39335.c: Same
3936         * gcc.dg/graphite/pr39335_1.c: Same
3937         * gfortran.dg/graphite/block-2.f: Same
3938         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3939         with -floop-*.
3940
3941 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3942
3943         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3944         build_access_matrix, build_scop_data_accesses): Remove access function
3945         building. (We get a new version soon).
3946         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3947         * sese.h (nb_loops_around_loop_in_sese): Remove.
3948         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3949
3950 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3951             Sebastian Pop  <sebastian.pop@amd.com>
3952
3953         * graphite-scop-detection.c (struct scopdet_info): Rename last
3954         field to exit.
3955         (scopdet_basic_block_info, build_scops_1): Don't use
3956         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3957
3958 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3959             Sebastian Pop  <sebastian.pop@amd.com>
3960
3961         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3962         * sese.c (sese_build_liveouts_use): Renamed from
3963         sese_build_livein_liveouts_use. Remove liveins.
3964         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3965         Call sese_build_liveouts_use.
3966         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3967         Call sese_build_liveouts_bb.
3968         (new_sese, free_sese): Remove liveins.
3969         (sese_add_exit_phis_var): Deleted.
3970         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3971         directly.
3972         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3973
3974         * sese.h (sese): Remove num_ver and livein.
3975         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3976
3977 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3978
3979         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3980
3981 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3982
3983         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3984         (build_scop_scattering): Do not use compare_prefix_loops any more.
3985         (nb_common_loops): New.
3986
3987 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3988
3989         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3990         (register_old_and_new_names): Renamed set_rename.
3991
3992 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3993
3994         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3995         of the decl from the previous commit.
3996
3997 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3998
3999         * graphite-scop-detection.c (dot_scop): New.
4000         * graphite-scop-detection.h (dot_scop): Declared.
4001
4002 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4003
4004         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4005
4006 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4009         condition at the end of the loop.
4010         * graphite.c (graphite_initialize, graphite_finalize): Print to
4011         dump_file the compiled function.
4012         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4013         of create_empty_loop_on_edge.
4014         (translate_clast): Update the code generation of loops for the new
4015         shape of loops.
4016         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4017
4018 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4019
4020         Reverted the patch from 2009-03-19.
4021
4022 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4023
4024         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4025         poly_drs vector.
4026         (print_scop): Style.
4027         * graphite-poly.h (poly_bb): Add drs vector.
4028         (PBB_DRS): Add accessor.
4029         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4030         (build_access_matrix_with_af, build_access_matrix,
4031         build_scop_data_accesses): Delete.
4032         (build_poly_dr): New.
4033         (build_pbb_drs, build_scop_drs): New.
4034         (build_poly_scop): call build_scop_drs.
4035
4036 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4037
4038         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4039         once per basic block.
4040
4041 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4042
4043         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4044         (graphite_can_represent_expr): Renamed from loop_affine_expr
4045         and enhanced.
4046         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4047         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4048         (scopdet_basic_block_info): Actually define entry_block.
4049         (stmt_simple_memref_p): Moved here from ...
4050
4051         * tree-data-ref.c (stmt_simple_memref_p): here.
4052         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4053
4054 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4055
4056         * gcc.dg/graphite/id-4.c: New.
4057
4058 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4059
4060         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4061         (register_old_and_new_names): Update the content of the map.
4062         When there was already a rename_map_elt in the map at that
4063         location, free it.
4064         (copy_bb_and_scalar_dependences): Do rename_variables after
4065         expand_scalar_variables.
4066         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4067         of the map.  When there was already a rename_map_elt in the
4068         map at that location, free it.
4069         (translate_clast): Pass the rename_map.  Do not initialize and free
4070         a rename_map per stmt_user.
4071         (gloog): Initialize and free one rename_map and pass it to
4072         translate_clast.
4073
4074 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4075
4076         * sese.c (expand_scalar_variables_stmt,
4077         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4078         parameter.
4079         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4080         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4081         the gimple_stmt_iterator of the statement to be expanded.
4082         * graphite-scop-detection.c (is_simple_operand): Do handle
4083         REALPART_EXPR.
4084
4085 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4086
4087         * graphite-scop-detection.c (is_simple_operand): Do not handle
4088         REALPART_EXPR.
4089         * gcc.dg/graphite/id-2.c: New.
4090
4091         * graphite-sese-to-poly.c (build_bb_loops,
4092         add_value_to_dim, scan_tree_for_params_right_scev,
4093         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4094         find_params_in_bb, build_loop_iteration_domains,
4095         add_conditions_to_domain): Remove subtract.
4096
4097 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4098
4099         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4100         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4101         pbb_loop_at_index -> gbb_loop_at_index.
4102         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4103         (debug_loop_vec): Delete.
4104         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4105         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4106         (PBB_LOOPS): Removed.
4107         (PBB_BLACK_BOX): Insert cast.
4108         (pbb_set_black_box): New setter.
4109         (pbb_loop_at_index, pbb_loop_index): Removed.
4110         (scop_set_region, scop_set_nb_params): New.
4111         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4112         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4113         (build_poly_scop): Use scop_set_nb_params.
4114         * sese.h (gimple_bb): Add LOOPS.
4115         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4116
4117 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4118
4119         Revert previous commit.
4120
4121 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4122
4123         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4124         (register_old_and_new_names): Update the content of the map.
4125         When there was already a rename_map_elt in the map at that
4126         location, free it.
4127         (copy_bb_and_scalar_dependences): Do rename_variables after
4128         expand_scalar_variables.
4129         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4130         of the map.  When there was already a rename_map_elt in the
4131         map at that location, free it.
4132         (translate_clast): Pass the rename_map.  Do not initialize and free
4133         a rename_map per stmt_user.
4134         (gloog): Initialize and free one rename_map and pass it to
4135         translate_clast.
4136
4137 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4138
4139         Remove forgotten line in revert.
4140
4141 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4142
4143         Revert previous commit.
4144
4145 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4146
4147         * sese.c (register_old_and_new_names): Update the content
4148         of the map.  When there was already a rename_map_elt in the
4149         map at that location, free it.
4150         (copy_bb_and_scalar_dependences): Do rename_variables after
4151         expand_scalar_variables.
4152         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4153         of the map.  When there was already a rename_map_elt in the
4154         map at that location, free it.
4155         (translate_clast): Pass the rename_map.  Do not initialize and free
4156         a rename_map per stmt_user.
4157         (gloog): Initialize and free one rename_map and pass it to
4158         translate_clast.
4159
4160 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4161
4162         * graphite-clast-to-gimple.c (translate_clast): context_loop
4163         is never NULL.
4164
4165 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4166             Sebastian Pop  <sebastian.pop@amd.com>
4167
4168         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4169         of the use of ppl_Polyhedron_map_space_dimensions.
4170
4171 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4172             Sebastian Pop  <sebastian.pop@amd.com>
4173
4174         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4175         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4176         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4177         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4178         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4179         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4180         pbb_nb_params): New.
4181         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4182         nb_loops_around_pbb): Adapt return types.
4183
4184 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4185
4186         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4187         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4188         graphite-scop-detection.o, graphite-poly.o): Add
4189         more headers.
4190
4191 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4192
4193         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4194         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4195         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4196
4197 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4198
4199         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4200         * gcc.dg/graphite/pr37828.c: Same.
4201         * gcc.dg/graphite/pr37684.c: Same.
4202         * gcc.dg/graphite/block-0.c: Same.
4203         * gcc.dg/graphite/block-1.c: Same.
4204         * gcc.dg/graphite/block-2.c: Same.
4205         * gcc.dg/graphite/block-3.c: Same.
4206         * gcc.dg/graphite/block-4.c: Same.
4207         * gcc.dg/graphite/block-5.c: Same.
4208         * gcc.dg/graphite/block-6.c: Same.
4209         * gfortran.dg/graphite/pr38083.f90: Same.
4210         * gfortran.dg/graphite/block-1.f90: Same.
4211         * gfortran.dg/graphite/block-3.f90: Same.
4212         * gfortran.dg/graphite/pr37852.f90: Same.
4213         * gfortran.dg/graphite/block-4.f90: Same.
4214         * gfortran.dg/graphite/pr37980.f90: Same.
4215         * gfortran.dg/graphite/pr38953.f90: Same.
4216         * gfortran.dg/graphite/pr37857.f90: Same.
4217         * opts.c: Remove -floop-block from -O2.
4218         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4219         -floop-strip-mine are used.
4220
4221 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4222             Sebastian Pop  <sebastian.pop@amd.com>
4223
4224         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4225         dimensions.
4226         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4227         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4228         strip_mine_profitable_p, is_interchange_valid,
4229         graphite_trans_bb_block, graphite_trans_loop_block,
4230         graphite_trans_scop_block): Temporary removed.
4231         (extend_scattering, unify_scattering_dimensions): New.
4232         (print_scattering_function, graphite_read_transforms):
4233         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4234         (graphite_generate_scattering_fns): Removed.
4235         (apply_poly_transforms): Cleanup.
4236         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4237         (schedule_to_scattering): Moved.
4238         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4239         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4240         (pbb_nb_scattering): New.
4241         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4242         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4243         Removed.
4244         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4245         shift_poly.
4246         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4247         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4248         -> PBB_TRANSFORMED_SCATTERING.
4249         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4250         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4251         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4252         (check_poly_representation): Do not return bool.
4253         (graphite_transform_loops): Reformat.
4254         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4255
4256 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4257
4258         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4259         debug_pbb_domain, debug_pbb, debug_scop): New.
4260         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4261         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4262
4263 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4264
4265         PR middle-end/39335
4266         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4267         when the type precision of the induction variable should be
4268         larger than the type precision of nit.
4269         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4270         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4271         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4272
4273         * gcc.dg/graphite/pr39335_1.c: New.
4274         * gcc.dg/graphite/pr39335.c: New.
4275
4276 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4277
4278         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4279         SSA_NAMES not struct reduction_info.
4280
4281 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4282
4283         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4284
4285 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4286             Tobias Grosser  <grosser@fim.uni-passau.de>
4287
4288         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4289         (free_sese): Free SESE_REDUCTION_LIST.
4290         * sese.h (struct sese): Add field reduction_list.
4291         (SESE_REDUCTION_LIST): New.
4292         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4293         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4294
4295 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4296             Tobias Grosser  <grosser@fim.uni-passau.de>
4297
4298         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4299         of loop_p.
4300
4301 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4302             Tobias Grosser  <grosser@fim.uni-passau.de>
4303
4304         * tree-parloops.c (struct brli, build_reduction_list_info,
4305         analyze_reduction_list, gather_scalar_reductions): New.
4306         (loop_parallel_p): Build a reduction list containing only
4307         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4308         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4309         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4310         * tree-flow.h (gather_scalar_reductions): Declared.
4311
4312 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4313
4314         PR middle-end/39308
4315         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4316         number_of_iterations_exit from a gcc_assert.
4317
4318 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4319             Jan Sjodin  <jan.sjodin@amd.com>
4320
4321         * output.h (graphite_out_file, graphite_in_file): Declared.
4322         * toplev.c (graphite_out_file, graphite_in_file): New.
4323         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4324         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4325         Don't call schedule_to_scattering.
4326         * common.opt (fgraphite-write, fgraphite-read): New.
4327         * graphite-poly.c: Include output.h.
4328         (print_scattering_function, print_scattering_functions,
4329         debug_scattering_function, debug_scattering_functions,
4330         graphite_write_transforms, graphite_read_transforms,
4331         graphite_generate_scattering_fns): New.
4332         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4333         Call graphite_generate_scattering_fns, graphite_write_transforms,
4334         graphite_read_transforms.
4335         (new_poly_bb): Initialize PBB_SCATTERING.
4336         (free_poly_bb): Free PBB_SCATTERING.
4337         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4338         * graphite-poly.h (struct poly_bb): Add field scattering.
4339         (PBB_SCATTERING): New.
4340         (print_scattering_function, print_scattering_functions,
4341         debug_scattering_function, debug_scattering_functions): Declared.
4342         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4343         GMP values, not integers!
4344         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4345         ppl_read_polyhedron_matrix): New.
4346         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4347         debug_ppl_polyhedron_matrix,
4348         ppl_read_polyhedron_matrix): Declared.
4349         * Makefile.in (graphite-poly.o): Depends on output.h.
4350
4351 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4352             Tobias Grosser  <grosser@fim.uni-passau.de>
4353
4354         Revert this change:
4355         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4356         scalar evolutions in the scop_entry->loop_father.
4357
4358 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4359             Tobias Grosser  <grosser@fim.uni-passau.de>
4360
4361         * graphite.h (ref_nb_loops): Remove declaration.
4362         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4363         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4364         debug_gbb): Moved to sese.h.
4365         * sese.h: As said.
4366
4367 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4368             Tobias Grosser  <grosser@fim.uni-passau.de>
4369
4370         * graphite-data-ref.[ch]: Disable.
4371
4372 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4373             Tobias Grosser  <grosser@fim.uni-passau.de>
4374
4375         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4376         scalar evolutions in the scop_entry->loop_father.
4377
4378 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4381         (graphite_cannot_represent_loop_niter): Renamed
4382         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4383         (limit_scops): build_sese_loop_nests does not return a bool.
4384         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4385         * sese.c (nb_reductions_in_loop): ... from here.
4386         (graphite_loop_normal_form): ... from here.
4387         (sese_record_loop): Does not fail, so does not return a bool.
4388         (build_sese_loop_nests): Same.
4389         * sese.h (build_sese_loop_nests): Update declaration.
4390         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4391         (build_graphite_loop_normal_form): New.
4392         (gloog): Call build_graphite_loop_normal_form.
4393         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4394         build_sese_loop_nests.
4395
4396         * gcc.dg/graphite/id-1.c: New.
4397
4398 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4399             Tobias Grosser  <grosser@fim.uni-passau.de>
4400
4401         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4402         The SCoP detection fix is sufficient.
4403
4404 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4405
4406         PR tree-optimization/39260
4407         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4408         the basic block contains a condition with a real type.
4409         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4410
4411         * gcc.dg/graphite/pr39260.c: New.
4412
4413 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4414
4415         * graphite-poly.c: Inlcude params.h.
4416         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4417         the size of a tile.
4418         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4419         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4420
4421 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4422             Tobias Grosser  <grosser@fim.uni-passau.de>
4423
4424         * graphite-scop-detection.c (dot_all_scops_1,
4425         dot_all_scops): Moved here.
4426         * graphite-scop-detection.h (dot_all_scops): Declared here.
4427         * graphite.c (graphite_initialize, graphite_finalize): New.
4428         (graphite_transform_loops): Cleaned up.
4429         * sese.c (debug_oldivs): Moved here.
4430         * graphite-poly.c (graphite_apply_transformations): Renamed
4431         apply_poly_transforms.
4432         (debug_loop_vec): Moved here.
4433         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4434         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4435         find_scop_parameters, build_scop_iteration_domain,
4436         add_conditions_to_constraints, build_scop_canonical_schedules,
4437         build_scop_data_accesses): Now static.
4438         (build_poly_scop, check_poly_representation): New.
4439
4440 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4441
4442         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4443         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4444         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4445         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4446         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4447         scan_tree_for_params, struct irp_data, dx_record_params,
4448         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4449         build_loop_iteration_domains, add_conditions_to_domain,
4450         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4451         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4452         build_sese_conditions, add_conditions_to_constraints,
4453         build_scop_iteration_domain, build_access_matrix_with_af,
4454         build_access_matrix,
4455         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4456
4457         * graphite-sese-to-poly.c: New.
4458         * graphite-sese-to-poly.h: New.
4459
4460         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4461
4462 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4463
4464         * graphite.c: Split graphite code generation to a new file.
4465         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4466         max_precision_type, clast_to_gcc_expression_red,
4467         clast_to_gcc_expression, gcc_type_for_clast_expr,
4468         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4469         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4470         graphite_create_new_guard, clast_get_body_of_loop,
4471         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4472         graphite_create_new_loop, build_iv_mapping, copy_renames,
4473         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4474         compute_cloog_iv_types, free_scattering, save_var_name,
4475         initialize_cloog_names, build_scop_context, build_cloog_prog,
4476         set_cloog_options, debug_clast_stmt, scop_to_clast,
4477         print_generated_program, debug_generated_program,
4478         gloog): Moved to graphite-clast-to-gimple.c.
4479
4480         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4481
4482         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4483         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4484         loop_iv_stack_pop, loop_iv_stack_get_iv,
4485         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4486         free_loop_iv_stack, loop_iv_stack_remove_constants,
4487         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4488         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4489         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4490         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4491         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4492         get_vdef_before_sese, sese_adjust_vphi,
4493         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4494         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4495         is_iv, expand_scalar_variables_ssa_name,
4496         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4497         expand_scalar_variables, rename_variables, remove_condition,
4498         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4499         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4500         default_liveout_before_guard, add_guard_exit_phis,
4501         insert_guard_phis, register_old_and_new_names,
4502         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4503         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4504         if_region_set_false_region, create_if_region_on_edge,
4505         move_sese_in_condition): Moved to sese.c.
4506
4507         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4508         if_region_exit, if_region_get_condition_block,
4509         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4510         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4511         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4512         ivtype_map_elt, new_ivtype_map_elt,
4513         recompute_all_dominators): Moved to sese.h.
4514
4515         * graphite-clast-to-gimple.c: New.
4516         * graphite-clast-to-gimple.h: New.
4517         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4518         * sese.c: Modified as said above.
4519         * sese.h: Same.
4520
4521 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4522
4523         * graphite.c: Split scop detection to a new file.
4524         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4525         move_sd_regions, loop_affine_expr, exclude_component_ref,
4526         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4527         graphite_cannot_represent_loop_niter, struct scopdet_info,
4528         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4529         find_single_entry_edge, find_single_exit_edge,
4530         create_single_entry_edge, sd_region_without_exit,
4531         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4532         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4533         Moved to graphite-scop-detection.c.
4534
4535         * graphite-scop-detection.c: New.
4536         * graphite-scop-detection.h: New.
4537         * Makefile.in: Add new rule for graphite-scop-detection.o.
4538
4539         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4540         tree-scalar-evolution.h.
4541         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4542         build_sese_loop_nests): Moved here from graphite.c.
4543         (param_index): Renamed parameter_index_in_region.
4544
4545 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4546             Sebastian Pop  <sebastian.pop@amd.com>
4547
4548         * gcc.dg/graphite/block-0.c: Expected to fail now.
4549         * gcc.dg/graphite/block-1.c: Same.
4550         * gcc.dg/graphite/block-5.c: Same.
4551         * gcc.dg/graphite/block-6.c: Same.
4552
4553 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4554             Sebastian Pop  <sebastian.pop@amd.com>
4555
4556         * graphite.h: Separate from graphite_bb_p the polyhedral
4557         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4558         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4559         graphite-data-ref.h.
4560         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4561         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4562         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4563         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4564         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4565         scop_nb_params): Moved to graphite-poly.h.
4566         * graphite-data-ref.c: Same.
4567         * graphite-data-ref.h: New.
4568         * graphite.c: Same.
4569         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4570         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4571         is_interchange_valid, graphite_trans_bb_block,
4572         graphite_trans_loop_block, scop_max_loop_depth,
4573         graphite_trans_scop_block, graphite_apply_transformations,
4574         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4575         graphite-poly.c.
4576         * graphite-poly.h: New.
4577         * graphite-poly.c: New.
4578         * Makefile.in (OBJS-common): Add graphite-poly.o.
4579         (graphite-poly.o): New rule.
4580         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4581         (DR_SCOP): Removed.
4582
4583 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4584             Tobias Grosser  <grosser@fim.uni-passau.de>
4585
4586         * graphite.c: Replace gb -> gbb.
4587         * graphite.h: Same.
4588         * graphite-data-ref.c: Same.
4589
4590 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4591             Tobias Grosser  <grosser@fim.uni-passau.de>
4592
4593         * Makefile.in (OBJS-commmon): Add sese.o.
4594         (sese.o): New.
4595         (graphite.o): Add sese.h.
4596         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4597         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4598         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4599         Move to sese.
4600         (block_before_scop): Add missing return.
4601         (new_scop, free_scop): Remove SESE data structures.
4602         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4603         find_scop_parameters, build_loop_iteration_domains,
4604         add_conditions_to_domain, register_scop_liveout_renames,
4605         copy_bb_and_scalar_dependences): Scop -> SESE.
4606
4607         (add_conditions_to_domain): SCoP -> SESE and remove check
4608         (scop_contains_non_iv_scalar_phi_nodes): New.
4609         (build_scop_conditions_1, build_scop_conditions): Remove check for
4610         non iv scalar phi nodes.
4611         (print_scop_statistics): New.
4612         (graphite_transform_loops): Cleanup.
4613
4614         * graphite.h: Move to sese & cleanup.
4615         * sese.c: New.
4616         * sese.h: New.
4617
4618 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4619             Tobias Grosser  <grosser@fim.uni-passau.de>
4620
4621         * graphite.c (build_scop_conditions_1): Conditions are only
4622         at the end of a basic block.
4623
4624 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4625             Tobias Grosser  <grosser@fim.uni-passau>
4626
4627         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4628         field.
4629         (GBB_ALPHA): Removed.
4630
4631 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4632             Tobias Grosser  <grosser@fim.uni-passau.de>
4633
4634         * graphite-data-ref.c (graphite_test_dependence): Don't use
4635         GBB_DYNAMIC_SCHEDULE.
4636         * graphite.c (new_graphite_bb): Same.
4637         (free_graphite_bb): Same.
4638         (build_scop_dynamic_schedules): Removed.
4639         (graphite_transform_loops): Don't call it.
4640         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4641         (GBB_DYNAMIC_SCHEDULE): Removed.
4642
4643 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4644             Tobias Grosser  <grosser@fim.uni-passau.de>
4645
4646         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4647         (print_graphite_bb): Same.
4648         (build_cloog_prog): Same.
4649
4650 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4651             Tobias Grosser  <grosser@fim.uni-passau.de>
4652
4653         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4654
4655 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4656             Tobias Grosser  <grosser@fim.uni-passau.de>
4657
4658         * graphite.c (build_scop_context): Don't use CloogMatrix.
4659         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4660         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4661
4662 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4663             Tobias Grosser  <grosser@fim.uni-passau.de>
4664
4665         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4666         liveout_renames, add_params fields...
4667         (struct sese): ... here.
4668         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4669         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4670
4671 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4672             Tobias Grosser  <grosser@fim.uni-passau.de>
4673
4674         * graphite.c (print_scop): Do not print the CLooG program.
4675         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4676         build_cloog_prog, gloog): Don't use SCOP_PROG.
4677         (find_transform): Renamed scop_to_clast.
4678         (print_generated_program, debug_generated_program): New.
4679         (graphite_transform_loops): Adapt to new interface.
4680         * graphite.h (struct scop): Remove program field.
4681         (SCOP_PROG): Removed.
4682         (print_generated_program, debug_generated_program): Declared.
4683
4684 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4685
4686         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4687         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4688         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4689         free_graphite_bb, build_scop_canonical_schedules,
4690         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4691         schedules are now represented using a ppl_Linear_Expression_t.
4692         * graphite.h (struct graphite_bb): Same.
4693         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4694         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4695
4696 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4697
4698         * graphite.c: Free local memory.
4699         * graphite-ppl.c: Same.
4700
4701 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4702
4703         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4704         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4705         swap_constraint_variables, scale_constraint_variable): Removed.
4706         (graphite_trans_bb_strip_mine): Remove pong.
4707         * graphite-ppl.c: Include missing header files.
4708         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4709         * graphite-ppl.h (ppl_strip_loop): Declared.
4710         * Makefile.in (graphite-ppl.o): Adjust dependences.
4711
4712 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4713
4714         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4715         (build_scop_iteration_domain): Same.
4716
4717 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4718
4719         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4720         ping pong.
4721         (add_value_to_dim, scan_tree_for_params_right_scev,
4722         scan_tree_for_params_int): New.
4723         * graphite-ppl.c (oppose_constraint): New.
4724         (insert_constraint_into_matrix): Implement missing cases.
4725         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4726
4727 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4728
4729         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4730         use ppl_move_dimension.
4731
4732 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4733
4734         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4735         * graphite.c: Same.
4736         * graphite.h: Same.
4737         * graphite-ppl.c: Same.
4738         * graphite-ppl.h: Same.
4739
4740 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4741
4742         Revert last 3 commits.
4743
4744 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4745
4746         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4747         ping pong.
4748         (add_value_to_dim, scan_tree_for_params_right_scev,
4749         scan_tree_for_params_int): New.
4750         * graphite-ppl.c (oppose_constraint): New.
4751         (insert_constraint_into_matrix): Implement missing cases.
4752         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4753
4754 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4755
4756         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4757
4758 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4759             Tobias Grosser  <grosser@fim.uni-passau.de>
4760
4761         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4762         use ppl_move_dimension.
4763         * graphite-ppl.c (ppl_move_dimension): New.
4764         * graphite-ppl.h (ppl_move_dimension): Declared.
4765
4766 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4767
4768         * graphite.c: Do not include cloog/cloog.h.
4769         (print_graphite_bb): Remove ping pong, call PPL print function.
4770
4771 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4772
4773         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4774         (graphite.o): Add dependence on graphite-ppl.h.
4775         (graphite-ppl.o): New.
4776         (graphite-data-ref.c): Ping pong between PPL data structures
4777         and matrices.
4778         * graphite-ppl.c: New.
4779         * graphite-ppl.h: New.
4780         * graphite.c: Include graphite-ppl.h.
4781         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4782         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4783         Ping pong between PPL data structures and matrices.
4784         (new_graphite_bb): Create a PPL constraint system.
4785         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4786         (build_loop_iteration_domains): Use PPL functions.
4787         * graphite.h: Include graphite-ppl.h.  Fix comments.
4788         (graphite_bb): Use a ppl_Constraint_System_t instead of
4789         CloogMatrix for representing the domain.
4790         (scop): Remove static_schedule.
4791         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4792
4793 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4794
4795         * graphite.c: Fix some comments.
4796
4797 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4798
4799         PR middle-end/38953
4800         * graphite.c (if_region_set_false_region): After moving a region
4801         in the false branch of a condition, remove the empty dummy
4802         basic block.
4803         (gloog): Remove wrong fix for PR38953.
4804
4805 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4806
4807         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4808         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4809         register_bb_in_sese, new_sese, free_sese): Moved.
4810         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4811         outermost_loop_in_scop, build_scop_iteration_domain,
4812         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4813         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4814         Use loop_in_sese_p instead of loop_in_scop_p.
4815         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4816         (free_scop): Do not free SCOP_BBS_B.
4817         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4818         ref_nb_loops): Moved here...
4819         * graphite.h (ref_nb_loops): ... from here.
4820         (struct scop): Remove bbs_b bitmap.
4821         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4822         * gcc.dg/graphite/scop-19.c: New
4823
4824 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4825
4826         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4827         detection.
4828
4829 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4830
4831         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4832         eq_loop_to_cloog_loop): Remove.
4833         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4834         * graphite.h (struct scop): Remove loop2cloog_loop.
4835         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4836
4837 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4838
4839         * opts.c (decode_options): Only add graphite options to O2
4840         if we compile with graphite enabled.
4841
4842 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4843
4844         * Merge from mainline (r143163:143684).
4845
4846 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4847
4848         * graphite.c (debug_value): Removed.
4849         * graphite.h (debug_value): Removed.
4850
4851 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4852
4853         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4854         after graphite: pass_copy_prop does not maintain a proper loop closed
4855         SSA form.  pass_copy_prop should be fixed.
4856
4857 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4858
4859         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4860
4861 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4862
4863         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4864         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4865         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4866         changed the CFG.
4867
4868 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4869
4870         * graphite.c (gloog): Return true when code gen succeeded.
4871         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4872         the code of the function did not changed.  After cleanup_tree_cfg
4873         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4874         form.
4875
4876 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4877
4878         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4879         gimple_call_lhs is NULL.
4880
4881 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4882             Tobias Grosser  <tobi.grosser@amd.com>
4883
4884         * graphite.c (graphite_trans_scop_block): Do not block single
4885         nested loops.
4886
4887 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4888             Tobias Grosser  <tobi.grosser@amd.com>
4889
4890         * graphite.c (build_scop_canonical_schedules): Start schedules at
4891         zero.
4892
4893 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4894             Tobias Grosser  <tobi.grosser@amd.com>
4895
4896         * graphite.c (compare_prefix_loops): New.
4897         (build_scop_canonical_schedules): Rewritten.
4898         (graphite_transform_loops): Move build_scop_canonical_schedules
4899         after build_scop_iteration_domain.
4900
4901 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4902             Tobias Grosser  <tobi.grosser@amd.com>
4903
4904         * graphite.c (add_conditions_to_domain): Add the loops to
4905         the dimension of the iteration domain.  Do copy the domain
4906         only when it exists.
4907         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4908         (add_conditions_to_constraints): New.
4909         (can_generate_code_stmt, can_generate_code): Removed.
4910         (gloog): Do not call can_generate_code.
4911         (graphite_transform_loops): Call add_conditions_to_constraints
4912         after building the iteration domain.
4913
4914 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4915             Tobias Grosser  <tobi.grosser@amd.com>
4916             Jan Sjodin  <jan.sjodin@amd.com>
4917
4918         * graphite.c (scan_tree_for_params): On substractions negate
4919         all the coefficients of the term.
4920         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4921         of more than two operands.
4922         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4923         (get_vdef_before_scop): Handle also the case of default definitions.
4924
4925 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4926
4927         PR middle-end/38431
4928         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4929         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4930         (gloog): Do not call cleanup_tree_cfg.
4931         (graphite_transform_loops): Call cleanup_tree_cfg after all
4932         scops have been code generated.
4933
4934 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4935
4936         * passes.c (init_optimization_passes): Schedule after
4937         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4938
4939 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4940
4941         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4942         Fix comment.
4943         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4944         Set the type of an expression to the type of its assign statement.
4945         (expand_scalar_variables_expr):  Do not pass loop_p.
4946         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4947         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4948         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4949
4950 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4951
4952         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4953         an expression to the gimple_expr_type of its assign statement.
4954         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4955         or tcc_declaration.
4956
4957 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4958
4959         PR tree-optimization/38786
4960         * gcc.dg/graphite/pr38786.c: New.
4961         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4962         the SSA_NAME case of expand_scalar_variables_expr.
4963         (expand_scalar_variables_expr): Also gather the scalar computation
4964         used to index the memory access.
4965         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4966         the gimple_stmt_iterator where it inserts new code.
4967
4968 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4969
4970         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4971
4972 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4973
4974         * opts.c (decode_options): Enable flag_graphite_identity and
4975         flag_loop_block in -O2 and above.
4976
4977 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4978
4979         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4980         Fix merge problem: replace with the file from trunk.
4981
4982 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4983
4984         * Merge from mainline (r141727:143163).
4985
4986 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4987             Jan Sjodin  <jan.sjodin@amd.com>
4988
4989         PR tree-optimization/38559
4990         * gcc.dg/graphite/pr38559.c: New.
4991
4992         * graphite.c (debug_value, copy_constraint,
4993         swap_constraint_variables, scale_constraint_variable, ): New.
4994         (get_lower_bound, get_upper_bound): Removed.
4995         (graphite_trans_bb_strip_mine): Clean up this code that works
4996         only for constant number of iterations.  Fully copy upper and
4997         lower bound constraints, not only the constant part of them.
4998         * graphite.h (debug_value): Declared.
4999
5000 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5001
5002         PR tree-optimization/38492
5003         PR tree-optimization/38498
5004         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5005         * tree-chrec.h (scev_is_linear_expression): Declared.
5006         * graphite.c (graphite_cannot_represent_loop_niter): New.
5007         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5008         (graphite_loop_normal_form): Use gcc_assert.
5009         (scan_tree_for_params): Use CASE_CONVERT.
5010         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5011         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5012         Use gcc_assert.  Discard scops that contain unhandled cases.
5013         (build_scop_conditions): Return a boolean status for unhandled cases.
5014         (strip_mine_profitable_p): Print the loop number, not its depth.
5015         (is_interchange_valid): Pass the depth of the loop nest, don't
5016         recompute it wrongly.
5017         (graphite_trans_bb_block): Same.
5018         (graphite_trans_bb_block): Print tentative of loop blocking.
5019         (graphite_trans_scop_block): Do not print that the loop has been
5020         blocked.
5021         (graphite_transform_loops): Do not handle scops that contain condition
5022         scalar phi nodes.
5023
5024         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5025         in trunk.
5026         * gcc.dg/graphite/block-0.c: Update test.
5027         * gcc.dg/graphite/block-1.c: Same.
5028         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5029         blocking.
5030         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5031         * gcc.dg/graphite/block-3.c: New.
5032         * gcc.dg/graphite/pr38498.c: New.
5033
5034 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5035
5036         PR tree-optimization/38510
5037         * gcc.dg/graphite/pr38510.c: New.
5038         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5039           (translate_clast): Call recompute_all_dominators before
5040           graphite_verify.
5041           (gloog): Call recompute_all_dominators before graphite_verify.
5042
5043 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5044
5045         PR tree-optimization/38492
5046         * graphite.c (rename_map_elt, debug_rename_elt,
5047         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5048         rename_map_elt_info, eq_rename_map_elts,
5049         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5050         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5051         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5052         (sese_build_livein_liveouts): New.
5053         (new_sese, free_sese): New.
5054         (new_scop): Call new_sese.
5055         (free_scop): Call free_sese.
5056         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5057         (register_old_new_names): Renamed register_old_and_new_names.
5058         (register_scop_liveout_renames, add_loop_exit_phis,
5059         insert_loop_close_phis, struct igp,
5060         default_liveout_before_guard, add_guard_exit_phis,
5061         insert_guard_phis, copy_renames): New.
5062         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5063         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5064         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5065         (scop_adjust_phis_for_liveouts): New.
5066         (gloog): Call scop_adjust_phis_for_liveouts.
5067
5068         * graphite.h (struct sese): Documented.  Added fields liveout,
5069         num_ver and livein.
5070         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5071         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5072         (struct scop): Added field liveout_renames.
5073         (SCOP_LIVEOUT_RENAMES): New.
5074
5075 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5076
5077         PR tree-optimization/38409
5078         * gcc.dg/graphite/pr38409.c: New.
5079         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5080
5081 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5082
5083         * graphite.c (gcc_type_for_cloog_iv): By default return
5084         integer_type_node.
5085         (graphite_create_new_loop): Don't fold_convert the already
5086         fold_convert-ed expression.
5087
5088 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5089
5090         PR tree-optimization/38446
5091         * gcc.dg/graphite/pr38446.c: New.
5092         * graphite.c (register_bb_in_sese): New.
5093         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5094         looking at the bbs in the region.
5095         * graphite.h (sese): Add region_basic_blocks pointer set to
5096         structure and initialize at the time of defining new scop.
5097
5098 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5099
5100         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5101         (find_params_in_bb): Do not free data refs.
5102         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5103
5104 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5105
5106         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5107         * gcc.dg/graphite/scop-17.c: Same.
5108         * gcc.dg/graphite/block-5.c: New.
5109         * gcc.dg/graphite/block-6.c: New.
5110         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5111         * gcc.dg/graphite/pr37684.c: Same.
5112         * gcc.dg/graphite/block-2.c: Same.
5113
5114         * graphite.c (struct ivtype_map_elt): New.
5115         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5116         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5117         gcc_type_for_cloog_iv): New.
5118         (loop_iv_stack_patch_for_consts): Use the type of the induction
5119         variable from the original loop, except for the automatically
5120         generated loops, i.e., in the case of a strip-mined loop, in
5121         which case there is no original loop: in that case just use
5122         integer_type_node.
5123         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5124         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5125         (clast_name_to_gcc): Accept params to be NULL.
5126         (clast_to_gcc_expression): Take an extra parameter for the type.
5127         Convert to that type all the expressions built by this function.
5128         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5129         (graphite_translate_clast_equation): Compute the type of the
5130         clast_equation before translating its LHS and RHS.
5131         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5132         (graphite_create_new_loop): Compute the type of the induction
5133         variable before translating the lower and upper bounds and before
5134         creating the induction variable.
5135         (rename_variables_from_edge, rename_phis_end_scop): New.
5136         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5137         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5138         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5139         compute_cloog_iv_types): New.
5140         (gloog): Call compute_cloog_iv_types before starting the
5141         translation of the clast.
5142
5143         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5144         (GBB_CLOOG_IV_TYPES): New.
5145         (debug_ivtype_map): Declared.
5146         (oldiv_for_loop): New.
5147
5148 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5149
5150         PR middle-end/38459
5151         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5152         (param_index): Assert if parameter is not know after parameter
5153         detection.
5154         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5155         (find_scop_parameters): Mark, that we have finished parameter
5156         detection.
5157         (graphite_transform_loops): Move condition detection before parameter
5158         detection.
5159         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5160         * gfortran.dg/graphite/pr38459.f90: New.
5161
5162 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5163
5164         * graphite.c (graphite_transform_loops): Always call find_transform ()
5165         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5166         generate code.
5167
5168 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5169
5170         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5171         (print_scop): Ditto.
5172
5173 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5174
5175         PR middle-end/38084
5176         Fix gfortran.dg/graphite/id-3.f90.
5177         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5178         regions more than once.
5179
5180 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5181
5182         Fix gfortran.dg/graphite/id-4.f90.
5183         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5184         when not needed.
5185
5186 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5187
5188         Fix gfortran.dg/graphite/id-1.f90.
5189         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5190         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5191         (max_precision_type): New.
5192         (value_clast): Removed.
5193         (clast_to_gcc_expression): Be more careful to types of expressions.
5194         Use max_precision_type and update use of gmp_cst_to_tree.
5195         (graphite_translate_clast_equation): Use max_precision_type.
5196         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5197         use the type of the condition.
5198         (graphite_create_new_loop): Do not use integer_type_node, use the
5199         max_precision_type of lb and ub.
5200
5201 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5202
5203         * graphite.c (build_scops_1): Initialize open_scop.exit
5204         and sinfo.last.
5205
5206 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5207
5208         * gcc.dg/graphite/pr38084.c: New.
5209         * gfortran.dg/graphite/id-1.f90: New.
5210         * gfortran.dg/graphite/id-2.f90: New.
5211         * gfortran.dg/graphite/id-3.f90: New.
5212         * gfortran.dg/graphite/id-4.f90: New.
5213         * gfortran.dg/graphite/pr37857.f90: New.
5214
5215 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5216             Jan Sjodin  <jan.sjodin@amd.com>
5217             Harsha Jagasia  <harsha.jagasia@amd.com>
5218
5219         PR middle-end/37852
5220         PR middle-end/37883
5221         PR middle-end/37928
5222         PR middle-end/37980
5223         PR middle-end/38038
5224         PR middle-end/38039
5225         PR middle-end/38073
5226         PR middle-end/38083
5227         PR middle-end/38125
5228
5229         * gcc.dg/graphite/pr38073.c: New.
5230         * gcc.dg/graphite/pr37928.c: New.
5231         * gcc.dg/graphite/pr37883.c: New.
5232         * gcc.dg/graphite/pr38125.c: New.
5233         * gfortran.dg/graphite/pr38083.f90: New.
5234         * gfortran.dg/graphite/pr37852.f90: New.
5235         * gfortran.dg/graphite/pr37980.f90: New.
5236
5237         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5238         the number of detected scops.  Copy exact same test for loop
5239         blocking...
5240         * gcc.dg/graphite/block-1.c: Fix the number of expected
5241         loops to be blocked as reductions are not handled.
5242         * gcc.dg/graphite/block-4.c: ...here.  New.
5243
5244         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5245         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5246         ...here.
5247         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5248         * Makefile.in (graphite.o): Depend on value-prof.h.
5249         (graphite.o-warn): Removed -Wno-error.
5250         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5251         to be a NULL pointer.  Call update_stmt.  Return the newly created
5252         cannonical induction variable.
5253
5254         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5255
5256         * graphite.c: Reimplement the code generation from graphite to gimple.
5257         Include value-prof.h.
5258         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5259         (get_old_iv_from_ssa_name): Removed.
5260         (graphite_stmt_p): New.
5261         (new_graphite_bb): Test for useful statements before building a
5262         graphite statement for the basic block.
5263         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5264         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5265         reason.
5266         (recompute_all_dominators, graphite_verify,
5267         nb_reductions_in_loop, graphite_loop_normal_form): New.
5268         (scop_record_loop): Call graphite_loop_normal_form.
5269         (build_scop_loop_nests): Iterate over all the blocks of the
5270         function instead of relying on the incomplete information from
5271         SCOP_BBS.  Return the success of the operation.
5272         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5273         (add_bb_domains): Removed.
5274         (build_loop_iteration_domains): Don't call add_bb_domains.
5275         Add the iteration domain only to the basic blocks that have been
5276         translated to graphite.
5277         (build_scop_conditions_1): Add constraints only if the basic
5278         block have been translated to graphite.
5279         (build_scop_data_accesses): Completely disabled until data
5280         dependence is correctly implemented.
5281         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5282         (remove_all_edges_1, remove_all_edges): Removed.
5283         (get_new_name_from_old_name): New.
5284         (graphite_rename_variables_in_stmt): Renamed
5285         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5286         Use replace_exp and update_stmt.
5287         (is_old_iv): Renamed is_iv.
5288         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5289         Use replace_exp and update_stmt.
5290         (expand_scalar_variables_expr): Same.  Use the map to get the
5291         new names for the renaming of induction variables and for the
5292         renaming of variables after a basic block has been copied.
5293         (expand_scalar_variables): Same.
5294         (graphite_rename_variables): Renamed rename_variables.
5295         (move_phi_nodes): Removed.
5296         (get_false_edge_from_guard_bb): New.
5297         (build_iv_mapping): Do not insert the induction variable of a
5298         loop in the renaming iv map if the basic block does not belong
5299         to that loop.
5300         (register_old_new_names, graphite_copy_stmts_from_block,
5301         copy_bb_and_scalar_dependences): New.
5302         (translate_clast): Heavily reimplemented: copy basic blocks,
5303         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5304         At each translation step call graphite_verify ensuring the
5305         consistency of the SSA, loops and dominators information.
5306         (collect_virtual_phis, find_vdef_for_var_in_bb,
5307         find_vdef_for_var_1, find_vdef_for_var,
5308         patch_phis_for_virtual_defs): Removed huge hack.
5309         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5310         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5311         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5312         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5313         if_region_get_condition_block, if_region_set_false_region,
5314         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5315         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5316         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5317         rewrite_into_sese_closed_ssa): New.
5318         (gloog): Remove dead code.  Early return if code cannot be
5319         generated.  Call cleanup_tree_cfg once the scop has been code
5320         generated.
5321         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5322         block loops with less than two loops.
5323         (graphite_apply_transformations): Remove the call to
5324         scop_remove_ignoreable_gbbs.
5325         (limit_scops): When build_scop_loop_nests fails, continue on
5326         the next scop.  Fix open_scop.entry.
5327         (graphite_transform_loops): Call recompute_all_dominators: force the
5328         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5329         Call initialize_original_copy_tables and free_original_copy_tables
5330         to be able to copy basic blocks during code generation.
5331         When build_scop_loop_nests fails, continue on next scop.
5332         (value_clast): New union.
5333         (clast_to_gcc_expression): Fix type cast warning.
5334
5335 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5336
5337         * Merge from mainline (r140838:141727).
5338
5339 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5340
5341         PR middle-end/37833
5342
5343         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5344
5345 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5346
5347         PR middle-end/37943
5348
5349         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5350         exits and conditions.
5351         * gcc.dg/graphite/pr37943.c: New.
5352
5353 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5354
5355         PR middle-end/37886
5356         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5357
5358 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5359
5360         * doc/invoke.texi: Fix spaces.
5361
5362 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5363
5364         PR tree-optimization/37891
5365         Reverted last commit.
5366         * graphite.c (create_single_entry_edge): Set
5367         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5368
5369 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5370             Mitul Thakkar  <mitul.thakkar@amd.com>
5371
5372         * graphite.c (create_single_entry_edge): Set
5373         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5374
5375 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5376
5377         * doc/invoke.texi: Add -fgraphite-identity.
5378         * graphite.c (graphite_apply_transformations): Check for
5379         -fgraphite-identity.
5380         * toplev.c (process_options): Add flag_graphite_identity.
5381         * tree-ssa-loop.c: Add flag_graphite_identity.
5382
5383 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5384
5385         Undo changes from 2008-10-02:
5386         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5387         operand type when copying the operand to a variable of different type.
5388         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5389         with the IV name after increment.
5390
5391 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5392             Harsha Jagasia  <harsha.jagasia@amd.com>
5393
5394         PR tree-optimization/37828
5395         * gcc.dg/graphite/pr37828.c: New.
5396         * graphite.c (graphite_trans_loop_block): Do not loop block
5397         single nested loops.
5398
5399 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5400             Sebastian Pop  <sebastian.pop@amd.com>
5401
5402         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5403         rename_map_elt_info, eq_rename_map_elts): New.
5404         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5405         (expand_scalar_variables_expr): Change parameters.
5406         (expand_scalar_variables_stmt): Same.
5407         (expand_scalar_variables): Same.
5408         (graphite_rename_ivs): Rename graphite_rename_variables.
5409         (build_iv_mapping): New.
5410         (translate_clast): Call build_iv_mapping.
5411         * graphite.h (gbb_p): New name.
5412
5413 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5414
5415         PR tree-optimization/37684
5416         * gcc.dg/graphite/pr37684.c: New.
5417         * graphite.c (exclude_component_ref): New.
5418         (is_simple_operand): Call exclude_component_ref.
5419
5420 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5421             Harsha Jagasia  <harsha.jagasia@amd.com>
5422
5423         PR tree-optimization/37485
5424         * gcc.dg/graphite/block-2.c: New
5425         * graphite.c (gmp_cst_to_tree): Moved.
5426         (iv_stack_entry_is_constant): New.
5427         (iv_stack_entry_is_iv): New.
5428         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5429         (loop_iv_stack_insert_constant): New.
5430         (loop_iv_stack_pop): Use new datatpype.
5431         (loop_iv_stack_get_iv): Same.
5432         (loop_iv_stack_get_iv_from_name): Same.
5433         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5434         (loop_iv_stack_patch_for_consts): New.
5435         (loop_iv_stack_remove_constants): New.
5436         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5437         (translate_clast): Call loop_iv_stack_patch_for_consts and
5438         loop_iv_stack_remove_constants.
5439         (gloog): Use new datatype.  Redirect construction edge to end
5440         block to avoid accidental deletion.
5441         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5442         iv stack entry.
5443         (union iv_stack_entry_data): New.  Data in iv stack entry.
5444         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5445
5446 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5447
5448         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5449         operand type when copying the operand to a variable of different type.
5450
5451 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5452
5453         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5454         with the IV name after increment.
5455
5456 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5457
5458         * Merge from mainline (r140164:140838).
5459
5460 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5461
5462         * graphite-data-ref.c: New.
5463         * graphite.c (print_scop): Also dump the dependence graph.
5464         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5465         (new_scop): Initialize SCOP_DEP_GRAPH.
5466         (build_scop_dynamic_schedules): New.
5467         (build_access_matrix_with_af): Fixed column numbering.
5468         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5469         * graphite.h: Add ifndef/define guards against multiple inclusion.
5470         (struct scop): Add dep_graph field.
5471         (SCOP_DEP_GRAPH): Defined.
5472         (ref_nb_loops): Fixed and moved to other position.
5473         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5474         (nb_loops_around_loop_in_scop): New.
5475         (graphite_dump_dependence_graph): Declared.
5476         (graphite_build_rdg_all_levels): Declared.
5477         (graphite_test_dependence): Declared.
5478         * Makefile.in (graphite-data-ref.o): New target.
5479
5480 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5481
5482         * Merge from mainline (139870:140164).
5483
5484 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5485
5486         * Merge from mainline (138275:139870).
5487         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5488         the commits from trunk broke the niter detection.
5489
5490 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5491
5492         * graphite.c: Add more documentation.  Fix formatting.
5493         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5494         loop_iv_stack_debug): Moved...
5495         (schedule_to_scattering): Move before use.
5496         (dot_all_scops): Include in "#if 0" the code for system
5497         call dotty.
5498
5499         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5500         loop_iv_stack_debug): ...here.
5501
5502 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5503
5504         * tree-phinodes.c (make_phi_node): Extern.
5505         (add_phi_node_to_bb): New.
5506         (create_phi_node): Call add_phi_node_to_bb.
5507         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5508         (remove_statement): Handle case where stored phi was updated
5509         and is no longer the same.
5510         * graphite.c (is_parameter): New.
5511         (is_old_iv): New.
5512         (expand_scalar_variables_expr): New.
5513         (expand_scalar_variables_stmt): New.
5514         (expand_scalar_variables): New.
5515         (move_phi_nodes): Create new phi instead of moving old one.
5516         (translate_clast): Call expand_scalar_variables.
5517         (find_vdef_for_var_in_bb): Also scan regular definitions.
5518         (skip_phi_defs): New.
5519         (collect_scop_exit_phi_args): New.
5520         (patch_scop_exit_phi_args): New.
5521         (gloog): Patch phis after scop.
5522         * tree-flow.h: (add_phi_node_to_bb): Declared.
5523         (make_phi_node): Declared.
5524
5525 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5526
5527         * graphite.c (end_scop): Split the entry of the scop when it
5528         is the header of the loop in which the scop is ending.
5529         (build_scops_1, limit_scops): Update uses of end_scop.
5530
5531 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5532
5533         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5534         SCOP_ENTRY or SCOP_EXIT.
5535
5536 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5537
5538         * graphite.c (get_construction_edge): Removed.
5539         (gloog): Construction edge is the scop entry edge.
5540
5541 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5542
5543         * graphite.c (can_generate_for_scop): Removed.
5544         (gloog): Do not call it.
5545
5546 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5547
5548         * graphite.c (new_scop): Entry of a scop is an edge.
5549         Initialize SESE region.
5550         (free_scop): Free SESE region.
5551         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5552         (split_difficult_bb): New, split from end_scop.
5553         (end_scop): Exit of a scop is an edge.
5554         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5555         not automatically updated and thus is always wrong.
5556         * graphite.h (struct sese): New.
5557         (SESE_ENTRY): New.
5558         (SESE_EXIT): New.
5559         (struct scop): New field for a SESE region.  Remove entry, exit.
5560         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5561         semantics as before.  Moved comment around.
5562
5563 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5564             Sebastian Pop  <sebastian.pop@amd.com>
5565
5566         * graphite.c (graphite_transform_loops): Always enable gloog
5567         and find_transform when ENABLE_CHECKING.
5568
5569 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5570
5571         * graphite.c (graphite_transform_loops): Move pretty printer
5572         of SCOPs before doing any transform.  Remove call to print_scops
5573         and dot_all_scops_1.
5574
5575 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5576
5577         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5578         (print_graphite_bb): Same.
5579
5580 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5581
5582         * graphite.c (dot_all_scops_1): Cleanup.
5583         (move_scops): Fix comment.
5584
5585 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5586
5587         * graphite.c (build_scop_bbs): Revert commit 139355:
5588
5589         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5590                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5591
5592                 * graphite.c (build_scop_bbs): Factor up code.
5593
5594 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5595
5596         * graphite.c (gloog): Update dominator info.
5597
5598 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5599
5600         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5601
5602 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5603
5604         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5605         initialization.
5606         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5607         (translate_clast): Correct formatting.
5608         * graphite.h (struct num_map): Removed.
5609         (struct graphite_bb): Remove num_map field.
5610         (GBB_INDEX_TO_NUM_MAP): Removed.
5611
5612 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5613
5614         * graphite.c (build_access_matrix_with_af): Fix comments.
5615         (build_scop_data_accesses): Same.
5616
5617 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5618
5619         * graphite.c (build_scop_data_accesses): Don't construct
5620         access matrices.  Add a FIXME and an assert condition that
5621         should pass when the access matrices will be needed.
5622
5623 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5624
5625         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5626         really_constant_p.
5627         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5628         Moved close by free_graphite_bb.
5629         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5630         (new_scop): Move close by free_scop.
5631         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5632
5633 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5634
5635         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5636         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5637         instead of recursive call.
5638         (graphite_translate_clast_equation): New.
5639         (graphite_create_guard_cond_expr): New.
5640         (graphite_create_new_guard): New.
5641         (get_stack_index_from_iv): Removed.
5642         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5643         (get_true_edge_from_guard_bb): New.
5644         (translate_clast): Handle stmt_guard in clast.
5645         (get_construction_edge): Allow construction edge detection for
5646         a scope entry with multiple predecessors if one predecessor is
5647         the immediate dominator of scope entry.
5648         (can_generate_code_stmt): Enable code generation for clast_guard.
5649         (gloog): Use correct context loop.  Removed check for post dominators.
5650         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5651
5652 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5653
5654         * graphite.c (remove_dead_loops): Document better which
5655         loops are removed.
5656
5657 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5658
5659         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5660         and PPLINC.
5661         (graphite.o): Also depends on pointer-set.h.
5662
5663 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5664
5665         * graphite.c (scop_record_loop): Fix compile warning.
5666
5667 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5668             Sebastian Pop  <sebastian.pop@amd.com>
5669
5670         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5671
5672 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5673
5674         * graphite.c (build_graphite_bb): Initialize bb->aux to
5675         point to the graphite_bb_p.
5676         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5677         content of bb->aux.
5678         (add_bb_domains): Does not use the scop parameter.
5679         (graphite_transform_loops): Clean bb->aux at the end.
5680
5681 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5682             Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         * lib/target-supports.exp
5685         (check_effective_target_fgraphite): New.
5686
5687         * gcc.dg/graphite/graphite.exp: Early exit when
5688         check_effective_target_fgraphite returns false.
5689         Set dg-do-what-default to compile.
5690         (scan-graphite-dump-times): Removed.
5691         * gfortran.dg/graphite/graphite.exp: Same.
5692
5693         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5694         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5695         * gcc.dg/graphite/scop-1.c: Same.
5696         * gcc.dg/graphite/scop-2.c: Same.
5697         * gcc.dg/graphite/scop-3.c: Same.
5698         * gcc.dg/graphite/scop-4.c: Same.
5699         * gcc.dg/graphite/scop-5.c: Same.
5700         * gcc.dg/graphite/scop-6.c: Same.
5701         * gcc.dg/graphite/scop-7.c: Same.
5702         * gcc.dg/graphite/scop-8.c: Same.
5703         * gcc.dg/graphite/scop-9.c: Same.
5704         * gcc.dg/graphite/scop-10.c: Same.
5705         * gcc.dg/graphite/scop-11.c: Same.
5706         * gcc.dg/graphite/scop-12.c: Same.
5707         * gcc.dg/graphite/scop-13.c: Same.
5708         * gcc.dg/graphite/scop-matmult.c: Same.
5709         * gcc.dg/graphite/scop-14.c: Same.
5710         * gcc.dg/graphite/scop-15.c: Same.
5711         * gcc.dg/graphite/block-0.c: Same.
5712         * gcc.dg/graphite/scop-16.c: Same.
5713         * gcc.dg/graphite/block-1.c: Same.
5714         * gcc.dg/graphite/scop-17.c: Same.
5715         * gcc.dg/graphite/scop-18.c: Same.
5716         * gfortran.dg/graphite/block-1.f90: Same.
5717         * gfortran.dg/graphite/scop-1.f: Same.
5718         * gfortran.dg/graphite/block-2.f: Same.
5719
5720 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5721
5722         * graphite.c: Fix some XXX comments.
5723         (build_scop_dynamic_schedules): Removed.
5724
5725 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5726
5727         * graphite.h (scop_max_loop_depth): Moved...
5728         * graphite.c (scop_max_loop_depth): ...here.
5729         (remove_all_edges_1): New.
5730         (remove_all_edges): Factored code.
5731         (remove_cond_exprs): Check only the last statement for
5732         a GIMPLE_COND expression.
5733
5734 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5735
5736         * graphite.c (scan_tree_for_params): Early return when the
5737         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5738         (find_scop_parameters): Factor out code.
5739         (graphite_trans_bb_strip_mine): Remove dead code.
5740
5741 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5742
5743         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5744         graphite_trans_bb_move_loop): Factor asserts.
5745         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5746         Do not call calculate_dominance_info and estimate_bb_frequencies.
5747
5748 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5749
5750         * graphite.c (create_loops_mapping, free_loops_mapping,
5751         create_loops_mapping_num, debug_loop_mapping_1,
5752         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5753         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5754         graphite_loops_mapping_add_child_num,
5755         graphite_loops_mapping_insert_child,
5756         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5757         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5758         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5759         create_num_from_index, get_num_from_index,
5760         swap_loop_mapped_depth): Removed.
5761         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5762         (free_scop): Do not call free_loops_mapping.
5763         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5764         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5765         get_loop_mapped_depth.
5766         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5767         (graphite_trans_bb_strip_mine): Same.
5768         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5769         (struct scop): Remove field loops_mapping.
5770
5771 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5772             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5773
5774         * graphite.c (scop_record_loop): Factor out one level of the
5775         condition by early return.
5776         (build_scop_loop_nests): Format following FSF coding style.
5777         (build_scop_dynamic_schedules): Factor out code.
5778         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5779
5780 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5781             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5782
5783         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5784         assignments that are not handled as simple operands for now.
5785
5786 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5787             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5788
5789         * graphite.c (build_scop_bbs): Factor up code.
5790
5791 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5792             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5793
5794         * graphite.c (stmt_simple_for_scop_p): Factor code out
5795         of the loop.
5796         (enum gbb_type): New.  Group all the GBB_* types under it.
5797         (is_loop_exit): Moved...
5798         (end_scop): Enable BB spliting.
5799         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5800         * cfgloop.h (is_loop_exit): Declared.
5801
5802 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5803
5804         * doc/invoke.texi: Remove strides from examples containing
5805         DO loops when the strides are equal to 1.
5806
5807 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5808             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5809
5810         * graphite.c (graphite_trans_scop_block): Or the result with
5811         the result from graphite_trans_loop_block.
5812         * gcc.dg/graphite/block-1.c: New.
5813         * gfortran.dg/graphite/block-1.f90: New.
5814         * gfortran.dg/graphite/block-2.f: New.
5815
5816 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5817
5818         * graphite.c (graphite_transform_loops): Call cloog_initialize
5819         and cloog_finalize.
5820
5821 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5822
5823         * tree-data-ref.c) (stmt_simple_memref_p): New.
5824         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5825         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5826         (is_simple_operand): Call stmt_simple_memref_p.
5827
5828         * gcc.dg/graphite/scop-matmult.c: Updated for not
5829         using pointer arithmetic, as this is optimized by PRE and
5830         makes the code too difficult to analyze.
5831
5832         * gcc.dg/graphite/scop-18.c: Same.
5833
5834 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5835
5836         * gdbinit.in (pgg): New.
5837
5838 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5839
5840         * graphite.c (graphite_trans_loop_block): Fix warning.
5841
5842 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5843
5844         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5845
5846 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5847
5848         * graphite.c (graphite_trans_bb_block): Remove check for
5849         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5850         Check if loop blocking is profitable for every loop, before applying
5851         the changes.
5852         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5853         if flag_loop_block is set.
5854
5855 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5856
5857         * graphite.c: Add some more documentation for the loop
5858         mapping.
5859
5860 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5861
5862         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5863         * graphite.c: Format on less than 80 columns.
5864         * graphite.h: Same.
5865
5866 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5867
5868         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5869
5870 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5871
5872         * doc/invoke.texi (floop-block, floop-strip-mine,
5873         floop-interchange): Update documentation with examples.
5874
5875 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5876
5877         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5878         add_referenced_var.
5879         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5880
5881 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5882
5883         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5884         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5885         * tree-scalar-evolution.c: Revert useless changes.
5886         * tree-phinodes.c: Same.
5887         * cfghooks.c: Same.
5888         * vec.h: Same.
5889         * tree-vectorizer.h: Same.
5890         * tree-flow.h: Same.
5891         * tree-cfg.c: Same.
5892         * common.opt (fgraphite): Update documentation.
5893
5894 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5895
5896         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5897         -floop-interchange): Add more text for explaining what each of these
5898         flags is doing.
5899         * tree-into-ssa.c (gimple_vec): Moved to...
5900         * graphite.c: Include gimple.h.
5901         (gimple_vec): Moved to...
5902         (del_loop_to_cloog_loop): Removed.
5903         (loop_affine_expr): Do not call create_data_ref when the
5904         operand is a constant.
5905         (new_scop): Use free instead of del_loop_to_cloog_loop.
5906         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5907         * gimple.h (gimple_vec): ... here.
5908
5909 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5910
5911         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5912         latch executions.
5913         (build_loop_iteration_domains): Fail, if latch executions unknown.
5914
5915 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5916
5917         * graphite.c (add_conditions_to_domain): New.
5918         (build_scop_conditions_1): Call add_conditions_to_domain.
5919         (set_cloog_options): Allow to disable optimizations.
5920
5921 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5922
5923         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5924         Do not use walk_dominator_tree.
5925         (find_scop_parameters): Do not use walk_dominator_tree.
5926
5927 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5928
5929         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5930         (idx_record_params): Adapt.
5931         * graphite.h (scop_gimple_loop_depth): New.
5932
5933 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5934
5935         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5936         (scan_tree_for_params): Remove value_init.
5937         (build_scop_context): Remove value_init.
5938         (build_loop_iteration_domains): Remove value_init.
5939         (schedule_to_scattering): Remove value_init.
5940         (graphite_trans_bb_strip_mine): Remove value_init.
5941
5942 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5943
5944         * gcc/graphite.c (limit_scops): New.
5945         (graphite_transform_loops): Add limit SCoPs.
5946         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5947         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5948         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5949         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5950         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5951         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5952         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5953         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5954         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5955         Change loop numbers.
5956         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5957         Change loop numbers.
5958         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5959         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5960         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5961         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5962         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5963         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5964         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5965         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5966         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5967         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5968
5969 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5970
5971         * graphite.c (graphite_transform_loops): Call always find_transform.
5972
5973 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5974
5975         * graphite.c (free_loops_mapping): New.
5976         (stmt_simple_for_scop_p): Fix typo.
5977         (stmt_simple_for_scop_p): Fix tuples functions, that
5978         broke polyhedron.
5979         (free_graphite_bb): Fix some memleaks.
5980         (free_scop): Fix some memleaks.
5981         (scopdet_bb_info): Do not forget some tmp SCoPs.
5982         (find_params_in_bb): Fix some memleaks.
5983         (clast_to_gcc_expression): Fix warning.
5984
5985 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5986
5987         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5988         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5989
5990 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5991
5992         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5993         Move code ifdef-ed HAVE_cloog...
5994         * graphite.c: Include toplev.h.
5995         ... here.
5996         * Makefile.in (OBJS-common): Always build graphite.o.
5997         (BACKEND): Remove @GRAPHITE@.
5998         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5999         (graphite.o): Depend on TOPLEV_H.
6000
6001 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6002
6003         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6004         Remove typo left from polylib to ppl conversion.
6005         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6006
6007 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6008
6009         * toplev.c (process_options): Move the graphite loop optimization
6010         flags...
6011         * tree-ssa-loop.c (graphite_transforms): ... here.
6012         When not configured with CLooG, print to dump_file that
6013         Graphite transforms were not performed.
6014         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6015         New.
6016         * gcc.dg/graphite/*.c: Updated all testcases to use
6017         scan-graphite-dump-times.
6018
6019 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6020
6021         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6022         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6023
6024 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6025             Jan Sjodin  <jan.sjodin@amd.com>
6026
6027         * configure: Regenerated.
6028         * omp-low.c (expand_omp_sections): Remove now unused code.
6029         * config.in (HAVE_polylib): Removed.
6030         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6031         (PPLLIBS, PPLINC): Added.
6032         * graphite.c: Replace unsigned with int wherever possible.
6033         Don't access Cloog's data structures, but use accessor functions.
6034         Clast's stmt->type is now implemented as a vtable: change the
6035         switches of stmt->type into ifs.
6036         (polylib/polylibgmp.h): Don't include.
6037         (initialize_dependence_polyhedron,
6038         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6039         statement_precedes_p, test_dependence, build_rdg_all_levels,
6040         dump_dependence_graph): Removed until this code is cleaned up
6041         or ported to Cloog.
6042         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6043         (POLYLIBINC): Renamed PPLINC.
6044
6045 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6046             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6047             Jan Sjodin  <jan.sjodin@amd.com>
6048
6049         Finish the merge and tuplification of graphite.
6050
6051 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6052             Jan Sjodin  <jan.sjodin@amd.com>
6053
6054         Partial merge from mainline (138072:138275).
6055         * graphite.c still has to be tuplified.
6056
6057 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6058
6059         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6060         (create_num_from_index): New.
6061         (get_num_from_index): Also pass in the graphite BB.
6062         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6063         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6064         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6065         (is_interchange_valid): Return false when failing.
6066         * graphite.h (struct num_map): New.
6067         (struct graphite_bb): New field num_map.
6068         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6069
6070 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6071
6072         * graphite.c (dump_gbb_conditions): Print also conditions like
6073         "if (a)".  Remove dublicated code and use print_generic_expr ().
6074         (stmt_simple_for_scop_p): Only allow conditions we can handle
6075         {<, <=, >, >=}.
6076
6077 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6078
6079         * graphite.h (struct scop): Removed new_ivs field.
6080         (SCOP_NEWIVS): Deleted.
6081         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6082         clast_to_gcc_expression, graphite_create_new_loop):
6083         Removed use of new_ivs.
6084
6085 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6086
6087         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6088         create_loops_mapping_num, debug_loop_mapping_1): New.
6089         (debug_loop_mapping): Call debug_loop_mapping_1.
6090         (get_loop_mapping_for_num,
6091         graphite_loops_mapping_add_child,
6092         graphite_loops_mapping_add_child_num,
6093         graphite_loops_mapping_insert_child,
6094         graphite_loops_mapping_parent,
6095         split_loop_mapped_depth_for_num,
6096         loop_mapped_depth_split_loop): New.
6097         (increment_loop_mapped_depths): Removed.
6098         (swap_loop_mapped_depth_for_num): Reimplemented.
6099         (new_scop): Call create_loops_mapping.
6100         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6101         (translate_clast): Pass the old loop father in parameter, and pass
6102         it to get_old_iv_from_ssa_name.
6103         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6104         can_generate_code, can_generate_for_scop): New.
6105         (graphite_trans_bb_block): Returns false when it fails to transform.
6106         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6107
6108 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6109
6110         Reverted all the changes related to the streamization and
6111         loop fusion.
6112         These changes are now tracked in the streamization branch.
6113
6114 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6115             Jan Sjodin  <jan.sjodin@amd.com>
6116
6117         * graphite.c (gbb_compare): Correctly constify.
6118         (gbb_can_be_ignored): Indent.
6119         (graphite_trans_scop_swap_1and2): Add legality check.
6120         Remove dead FIXMEs.
6121
6122 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6123
6124         Remove fallouts from "Reverted the Condate changes".
6125         * tree.h: Remove unused decl.
6126         * gcc.dg/tree-checker: Same.
6127         * timevar.def: Remove counter.
6128
6129 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6130
6131         * Merge from mainline (135673:138072).
6132
6133         Reverted the MIRO changes (from 2008-04-05) that are now
6134         tracked in the miro branch.
6135         * tree-bounds.c: Removed.
6136         * tree-bounds.h: Removed.
6137
6138         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6139         are now tracked in the condate branch.
6140         * tree-check.c: Removed.
6141         * tree-match.c: Removed.
6142         * condate.y: Removed.
6143
6144 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6145
6146         * common.opt: New user flag -floop-block, -floop-strip-mine
6147         and -floop-interchange.
6148         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6149         graphite loop optimization flags is turned on.
6150         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6151         flag_loop_strip_mine and flag_loop_interchange checks before
6152         optimizations.
6153         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6154         -floop-strip-mine and -floop-interchange.
6155         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6156         -fgraphite.
6157         * gcc.dg/graphite/scop-16.c: Ditto.
6158         * gcc.dg/graphite/scop-17.c: Ditto.
6159         * gcc.dg/graphite/scop-18.c: Ditto.
6160
6161 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6162             Sebastian Pop  <sebastian.pop@amd.com>
6163
6164         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6165         (create_empty_loop_on_edge): More fixes.
6166         * tree-phinodes.c (resize_phi_node): Extern.
6167         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6168         * cfghooks.c (update_dominator_information): New split from
6169         split_edge.
6170         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6171         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6172         successor of the function entry block.
6173
6174         * graphite.c: Include pointer-set.h.
6175         (debug_loop_mapping, increment_loop_mapped_depths,
6176         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6177         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6178         swap_loop_mapped_depth_for_num, get_num_from_index,
6179         swap_loop_mapped_depth, loop_iv_stack_debug,
6180         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6181         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6182         get_old_iv_from_ssa_name): New.
6183         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6184         (free_scop): Free SCOP_LOOPS_MAPPING.
6185         (scop_record_loop): Record old ivs.
6186         (create_var_name): Removed.
6187         (initialize_cloog_names): Allocate double space in case strip mine
6188         applies to all loops once.
6189         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6190         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6191         translation.
6192         (graphite_create_new_loop): Pass in ivstack.
6193         (remove_all_edges): Pass in the construction_edge.
6194         (graphite_remove_iv): Removed.
6195         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6196         remove_cond_exprs): Rewritten.
6197         (move_phi_nodes): New.
6198         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6199         (translate_clast): Pass in ivstack.  Rewrite some cases.
6200         (set_cloog_options, debug_clast_stmt): New.
6201         (find_transform): Use set_cloog_options.
6202         (outermost_loop_layer): Removed.
6203         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6204         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6205         mark_old_loops, remove_dead_loops): New.
6206         (gloog): Rewritten.
6207         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6208         (const_column_index, get_first_matching_sign_row_index,
6209         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6210         get_upper_bound): New.
6211         (graphite_trans_bb_strip_mine): Also update the iv map.
6212
6213         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6214         (struct name_tree): Add a loop field.
6215         (struct scop): Add a graphite_loops_mapping field.
6216         (SCOP_LOOPS_MAPPING): New.
6217         (debug_clast_stmt): Declare.
6218         * lambda.h (find_induction_var_from_exit_cond): Declare.
6219         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6220         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6221         (create_empty_loop_on_edge): Updated.
6222         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6223         rename_variables_in_bb): Declare.
6224         * tree-cfg.c (remove_bb): Extern.
6225
6226         * gcc.dg/graphite/block-0.c: New.
6227
6228 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6229             Sebastian Pop  <sebastian.pop@amd.com>
6230
6231         * graphite.c (strip_mine_profitable_p): New.
6232         (graphite_trans_bb_block): Disable strip mining if not profitable.
6233
6234         * gcc.dg/graphite/scop-18.c: New.
6235         * gcc.dg/graphite/scop-17.c: Fixed.
6236         * gcc.dg/graphite/scop-16.c: Fixed.
6237
6238 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6239             Jan Sjodin  <jan.sjodin@amd.com>
6240             Sebastian Pop  <sebastian.pop@amd.com>
6241
6242         * graphite.c (is_interchange_valid): New.
6243         (graphite_trans_bb_block): Check loop nest of basic block for legality
6244         of interchange.
6245
6246         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6247         outer_most_loop, gbb_outer_most_loop_index): New.
6248
6249         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6250         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6251         * gcc.dg/graphite/scop-16.c: New.
6252         * gcc.dg/graphite/scop-17.c: New.
6253
6254 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6255
6256         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6257         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6258
6259 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6260
6261         * graphite.c (new_scop): Initialize SCOP_EXIT.
6262         (scopdet_info): Add.
6263         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6264         (build_scops_1): Cleanup, bugfixes.
6265         (build_scops): Cleanup.
6266
6267         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6268         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6269
6270 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6271
6272         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6273
6274         * gfortran.dg/graphite/graphite.exp: Use
6275         DEFAULT_GRAPHITE_FLAGS.
6276
6277         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6278
6279 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6280
6281         * graphite.c (scan_tree_for_params): Do not assert any more if
6282         MULT_EXPR parameter is negative.
6283
6284         * gfortran.dg/graphite/scop-1.f: New.
6285
6286         * gfortran.dg/graphite/graphite.exp: New.
6287
6288         * gcc.dg/graphite/scop-15.c: New.
6289
6290 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6291
6292         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6293
6294 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6295
6296         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6297         graphite_swap_loops.
6298         (graphite_trans_bb_move_loop): New.
6299         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6300         (graphite_trans_bb_block): New.
6301         (graphite_trans_loop_block): New.
6302         (graphite_trans_scop_swap_1and2): Rename from
6303         graphite_trans_swap_1and2.
6304         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6305         (graphite_trans_scop_block): New.
6306         (graphite_apply_transformations): Rename from
6307         graphite_transformations.
6308
6309         * gcc.dg/graphite/scop-matmult.c: New.
6310
6311 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6312
6313         * graphite.c (gbb_compare): New.
6314         (graphite_sort_gbbs): New.
6315         (gbb_can_be_ignored): New.
6316         (scop_remove_ignoreable_gbbs): New.
6317         (graphite_transformations): Cleanup and add
6318         scop_remove_ignoreable_gbbs.
6319         * lambda.h (lambda_vector_compare): New.
6320
6321 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6322
6323         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6324         (graphite_swap_loops): int -> unsigned
6325         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6326         (graphite_transformations): New.
6327         (graphite_transform_loops): Move to graphite_transformations.
6328         * graphite.h (gbb_nb_loops): Return unsigned.
6329
6330 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6331
6332         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6333         the domain matrix.  This makes scop-0.c work again.
6334
6335 2008-06-20  Richard Guenther  <rguenther@suse.de>
6336
6337         * graphite.h: Adjust copyright to GPLv3.
6338         * graphite.c: Likewise.
6339         (stmt_simple_memref_for_scop_p): Split out from ...
6340         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6341         and simplify.
6342         (get_bb_type): Optimize.
6343         (is_pred): Remove.
6344         (is_bb_addable): Fix memleak, replace is_pred call with
6345         single_pred.
6346         (build_scops): Use current_loops.
6347         (param_index): Fix memleak.
6348
6349 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6350
6351         * graphite.c: Fix formatting.
6352
6353 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6354
6355         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6356         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6357         (create_var_name, save_var_name): Newly defined functions.
6358         (initialize_cloog_names): Part of the code factored out to
6359         save_var_name.
6360         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6361         in clast_reduction statement.
6362         (graphite_create_new_loop): Now takes a new parameter
6363         for outer_loop.
6364         (translate_clast): Now also takes the context_loop and bb_exit
6365         parameters. Rewritten the code so that it creates a gimple code
6366         inside the given context.
6367         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6368         remove_cond_expr, disconnect_cond_expr,
6369         disconnect_virtual_phi_nodes): Newly defined functions.
6370         * graphite.h (struct scop): added old_ivs vector.
6371         SCOP_OLDIVS: New macro.
6372
6373 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6374
6375         * cfgloopmanip.c: Add missing function comments, fix formatting.
6376
6377 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6378
6379         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6380         (create_empty_loop_on_edge): Defined.
6381         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6382         instead of void.
6383         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6384         (update_dominators_in_loop): Declared as extern
6385         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6386
6387 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6388
6389         * graphite.c (print_graphite_bb): Allow changing number of loops
6390         in SCoP domain.
6391         (initialize_cloog_names): Allow changing number of loops.
6392         (build_cloog_prog): Simplify.
6393         (find_transform): Enable cloog option --strides.
6394         (graphite_swap_loops): New.
6395         (graphite_strip_mine_loop): New.
6396         (graphite_trans_swap_1and2): New.
6397         (graphite_trans_strip): New.
6398         (graphite_transform_loops): Add graphite_trans_strip.
6399         * graphite.h (scop_max_loop_depth): New.
6400
6401 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6402
6403         * graphite.c (build_scop_iteration_domain): Remove forgotten
6404         line. (Fixes compile)
6405
6406 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6407
6408         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6409         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6410         (build_bb_loops): New.
6411         (graphite_transform_loops): Add build_bb_loops.
6412         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6413         numbers.
6414         * graphite.h (graphite_bb): Add loops.
6415         (gbb_nb_loops): New.
6416         (gbb_loop_at_index): New.
6417         (gbb_loop_index): New.
6418         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6419         using nb_params_in_scop.
6420
6421 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6422
6423         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6424         (build_scop_canonical_schedules): Build minimized schedule.
6425         (schedule_to_scattering): Adapt to minimized schedule.
6426         * graphite.h (graphite_bb): Add/Update descriptions.
6427
6428 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6429             Tobias Grosser  <grosser@fim.uni-passau.de>
6430
6431         * graphite.c (print_graphite_bb): Add condition printing.
6432         (dump_value): New.
6433         (dump_gbb_conditions): New.
6434         (build_scop_conditions_1): New.
6435         (build_scop_conditions): New.
6436         * graphite.h (graphite_bb): Add conditions.
6437
6438 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6439
6440         * graphite.c (print_graphite_bb):
6441         (free_graphite_bb): New.
6442         (free_scop): Free bbs.
6443         (get_bb_type): Free doms.
6444         (build_scop_context): Free context matrix.
6445         (build_loop_iteration_domains): Remove unused code.
6446         (build_cloog_prog): Free scattering function and blocklist.
6447         (find_transform): Free options.
6448
6449 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6450
6451         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6452         Remove unnecessery cloog data structures. Make a copy of the domain
6453         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6454         unnecessary cloog data structures. Fix memory leaks. Remove insert
6455         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6456         used.
6457         (build_scop_iteration_domain): Remove unnecessary cloog
6458         data structures.  Fix memory leaks.
6459         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6460         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6461
6462 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6463
6464         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6465
6466 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6467
6468         * graphite.c (end_scop): Style fix.
6469         (schedule_to_scattering): Style and comment fix.
6470
6471 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6472         * graphite.c (print_graphite_bb): Fix definiton of
6473         schedule_to_scattering.
6474         (initialize_cloog_names): Change nb_scattdims to max loop
6475         depth in SCoP.
6476         (schedule_to_scattering): Take parameter for number of scattering
6477         dimensions.
6478         (build_cloog_prog): Only build as much scattering dimensions as
6479         necessary.
6480
6481 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6482
6483         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6484         in polyhedron/aermod.f90.
6485
6486 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6487             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6488             Harsha Jagasia  <harsha.jagasia@amd.com>
6489
6490         * graphite.c (is_bb_addable): Fix segfault.
6491
6492 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6493
6494         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6495         with multiple exits and conditional handling in edge cases.
6496         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6497
6498         * gcc.dg/graphite/scop-14.c: New.
6499
6500 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6501             Adrien Eliche  <aeliche@isty.uvsq.fr>
6502
6503         * graphite.c (is_bb_addable): Add more comments and enhance
6504         readablity of the source code. Fix memory leak.
6505         (is_loop_exit): Fix memory leak.
6506
6507 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6508
6509         * graphite.c (first_loop_in_scop): Deleted.
6510         (setup_cloog_loop): Only walk the loop chain for inner loops.
6511         (build_scop_iteration_domain): Execute setup_cloog_loop for
6512         all loops in the first layer.
6513
6514 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6515
6516         * graphite.c (scan_tree_for_params): Change the way params are
6517         added to be indepenent of the number of loops.
6518         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6519         handling.
6520         (build_cloog_prog): Revert to short matrix format.
6521
6522 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6523             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6524
6525         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6526         warning.
6527
6528 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6529
6530         * graphite.c (nb_data_refs_in_scop): New.
6531         (graphite_transform_loops): Print more stats: number of
6532         loops, basic blocks and data references per scop.
6533
6534 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6535             Jan Sjodin  <jan.sjodin@amd.com>
6536
6537         * graphite.c (loop_affine_expr, idx_record_params,
6538         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6539         instead of instantiate_parameters.
6540
6541 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6542
6543         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6544         add support for parameters, add STATIC_SCHEDULE at the right places,
6545         cleanup.
6546
6547 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6548
6549         * graphite.c (build_scop_loop_nests): Only add the loops, that
6550         are contained completely in the SCoP.
6551         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6552         and the domains are fixed.
6553         (build_scop_canonical_schedules): Add support for bbs not contained
6554         in any SCoP.
6555
6556 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6557
6558         * graphite.h (scop_contains_loop): Update comments to match
6559         the actual behavior.
6560         (scop_contains_loop): New.
6561         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6562
6563 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6564
6565         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6566         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6567         as GBB_COND_HEADER.
6568
6569 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6570             Tobias Grosser  <grosser@fim.uni-passau.de>
6571
6572         * graphite.c (graphite_transform_loops): Early return when
6573         there are no loops in the function.
6574
6575 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6576             Jan Sjodin  <jan.sjodin@amd.com>
6577
6578         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6579         offset of the last loop.
6580         (setup_cloog_loop): Copy the entire outer constraint matrix.
6581
6582 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6583             Jan Sjodin  <jan.sjodin@amd.com>
6584
6585         * graphite.c (stmt_in_scop_p, function_parameter_p,
6586         invariant_in_scop_p): Removed.
6587         (scan_tree_for_params): Can be used with no constraint
6588         matrix for gathering parameters.
6589         (idx_record_params): Don't use idx_record_param, instead use
6590         scan_tree_for_params.
6591         (find_scop_parameters): Same.
6592         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6593         Fix the size of loop domains.
6594         (schedule_to_scattering): Exit when the outer loop is not in scop.
6595         (find_transform): Enable build_cloog_prog.
6596
6597 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6598             Jan Sjodin  <jan.sjodin@amd.com>
6599
6600         * graphite.c (schedule_to_scattering): Make scattering domains
6601         uniformly of the same size, as required by CLooG 0.14.0 and before.
6602
6603 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6604             Jan Sjodin  <jan.sjodin@amd.com>
6605
6606         * graphite.c (schedule_to_scattering): Rewrite, correct the
6607         translation of the scheduling function to scattering.
6608         (build_cloog_prog): Call schedule_to_scattering only once.
6609         * graphite.h (scop_loop_index): Do not fail for loops not
6610         in the scop: return -1.
6611
6612 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6613
6614         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6615         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6616         (setup_cloog_loop): Export GBB_DOMAIN.
6617         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6618         able to rebuild the original control flow.
6619         * graphite.h (graphite_bb): Add domain field and access macro.
6620         (GBB_DOMAIN): New.
6621
6622 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6623
6624         * graphite.c (debug_gbb): New.
6625         (print_scop, build_graphite_bb): Use SCOP_BBS.
6626         (build_scop_bbs): Reimplemented.
6627         (dfs_bb_in_scop_p): Removed.
6628         (build_scop_loop_nests): Reorder loops inserted in
6629         SCOP_LOOP_NEST: outer loops should come first.
6630         (build_scop_canonical_schedules): Reinitialize at zero
6631         the components of the SCOP_STATIC_SCHEDULE for the loops
6632         that have already been parsed.
6633
6634         * graphite.h (debug_gbb): Declared.
6635
6636 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6637             Jan Sjodin  <jan.sjodin@amd.com>
6638
6639         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6640         (graphite_loop_to_gcc_loop): Removed.
6641         (remove_all_edges): New.
6642         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6643         (gloog): Remove useless code.
6644
6645 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6646
6647         * graphite.c (get_bb_type): Reworked. We distinguish between
6648         loops with one or multiple exits.
6649         (is_loop_exit): New.
6650         (is_pred): New.
6651         (is_bb_addable): Rework condition handling, now support for case
6652         case statements and loops with multiple exits.
6653
6654         * gcc.dg/graphite/scop-11.c: New.
6655         * gcc.dg/graphite/scop-12.c: New.
6656         * gcc.dg/graphite/scop-13.c: New.
6657
6658 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6659
6660         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6661         we have too many colors.
6662
6663 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6664
6665         * doc/invoke.texi (-ftree-loop-fusion): Document.
6666         * tree-pass.h (pass_loop_fusion): Declared.
6667         * tree-loop-fusion.c: New.
6668         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6669         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6670         * tree-data-ref.h (find_data_references_in_loop): Declared.
6671         * common.opt (ftree-loop-fusion): Declared.
6672         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6673
6674 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6675
6676         * graphite.c (build_access_matrix): Fix typo from the merge.
6677
6678 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6679
6680         * Merge from mainline (130800:135673).
6681
6682 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6683
6684         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6685         Update dominators after splitting.
6686
6687 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6688
6689         * graphite.c (is_bb_addable): Return the harmful statement.
6690         Factor up some code.
6691         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6692         (build_scops_1): Call end_scop.
6693
6694 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6695
6696         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6697         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6698         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6699         build_scops_1): Removed.
6700         (build_scops_2): Renamed build_scops_1.
6701
6702 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6703
6704         * graphite.c: Fix formatting.
6705
6706 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6707
6708         * graphite.c (get_bb_type): New.
6709         (move_scops): New.
6710         (build_scops_2): New.
6711         (is_bb_addable): New.
6712         (build_scops): Switch the scop detection.
6713         (build_scop_bbs): Add entry bb to scop.
6714         * graphite.h (struct scop): Update comment.
6715
6716 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6717
6718         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6719         more colors.
6720
6721 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6722
6723         * gcc.dg/graphite/scop-1.c: Update.
6724         * gcc.dg/graphite/scop-2.c: Update.
6725         * gcc.dg/graphite/scop-4.c: Update.
6726         * gcc.dg/graphite/scop-5.c: Add.
6727         * gcc.dg/graphite/scop-6.c: Add.
6728
6729 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6730
6731         * gcc.dg/graphite/scop-0.c: Add.
6732         * gcc.dg/graphite/scop-7.c: Add.
6733         * gcc.dg/graphite/scop-8.c: Add.
6734         * gcc.dg/graphite/scop-9.c: Add.
6735         * gcc.dg/graphite/scop-10.c: Add.
6736
6737 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6738
6739         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6740         Check affine expressions depending on the outermost loop
6741         instead of a scop.
6742         (stmt_simple_for_scop_p): Same.
6743         (harmfule_stmt_in_scop): Same.
6744
6745 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6746
6747         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6748         mark entry and exit, that are not part of the SCoP and update HTML
6749         formatting.
6750
6751 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6752
6753         * graphite.c (basic_block_simple_for_scop_p): Renamed
6754         harmful_stmt_in_bb.
6755         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6756         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6757         (all_preds_visited_p, all_succs_visited_p,
6758         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6759         scop_end_loop): New.
6760         (build_scops): Do not use dfs_enumerate_from.
6761
6762         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6763
6764 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6765
6766         * graphite.c: Add comments to functions that are missing a
6767         description.
6768         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6769
6770 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6771
6772         * graphite.c (nb_params_in_scop): Moved...
6773         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6774         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6775         (clast_to_gcc_expression): Reduce column size to less than 80.
6776         (graphite_create_iv): Return the new name of the IV.
6777         (find_transform): Set options->esp and options->cpp.
6778         (gloog): Comment out the invalidation of the old loop code.
6779         (initialize_dependence_polyhedron): Replace scop_nb_params with
6780         nb_params_in_scop.
6781
6782         * graphite.h (nb_params_in_scop): ... here.
6783         (scop_nb_params): Removed.
6784         (loop_domain_dim): Return something even when the loop was not
6785         found in the hash table: avoid ICEing on all the graphite.exp
6786         testcases.
6787
6788 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6789
6790         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6791
6792         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6793         according to nesting level.
6794         (find_scop_parameters): Call instantiate_parameters.
6795         (scan_tree_for_params): Extend it to handle general affine bounds.
6796         Inner loop bound can depend on outer loop induction variable.
6797         (setup_cloog_loop): tmp variable is allocated on stack. Call
6798         instantiate_parameters with respect to outermost_loop_in_scop.
6799         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6800         graphite.h.
6801         (create_empty_loop): Function loopify should be given edge
6802         probability, instead of edge frequency. Dominance relation from
6803         switch_bb to loop_header.
6804         (clast_to_gcc_expression): Added handling of clast_reduction node.
6805         (gloog): New functionality for removing old loop.
6806         (test_dependence): Factored out from build_rdg_all_levels.
6807         (build_rdg_all_levels): Dependence testing factored out to
6808         test_dependence function.
6809
6810         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6811         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6812         from graphite.c
6813
6814 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6815
6816         * graphite.c (free_scop, param_index, initialize_cloog_names,
6817         nb_params_in_scop): Use name_tree map instead of just a tree
6818         for keeping track of the variable name associated to that tree.
6819         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6820         clast_to_gcc_expression, graphite_create_iv,
6821         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6822         graphite_stmt_to_gcc_stmt): New.
6823         (gloog): Call these.
6824         * graphite.h (struct name_tree): New.
6825         (struct scop): Use name_tree instead of tree for params.
6826         Store a vector of name_tree for new_ivs.
6827         (SCOP_NEWIVS): New.
6828         (scop_nb_params): Use name_tree instead of tree.
6829
6830 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6831             Sebastian Pop  <sebastian.pop@amd.com>
6832
6833         * tree-bounds.c: New.
6834         * tree-bounds.h: New.
6835         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6836         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6837         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6838         flag_mudflap.
6839         * gcc.c: Same.
6840         * toplev.c: Same.
6841         * c-cppbuiltin.c: Same.
6842         * c-pragma.c: Same.
6843         * common.opt: Same.
6844         * varasm.c: Same.
6845         * tree-outof-ssa.c: Same.
6846         * c-common.c: Same.
6847         * Makefile.in: Same.
6848
6849 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6850             Sebastian Pop  <sebastian.pop@amd.com>
6851
6852         * tree-loop-distribution.c (remaining_stmts,
6853         upstream_mem_writes): Removed static variables.
6854         (copy_loop_before, create_bb_after_loop,
6855         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6856         rdg_build_components, rdg_build_partitions,
6857         dump_rdg_partitions): Extern.
6858         (generate_loops_for_partition, generate_code_for_partition): Do not
6859         return a bool.
6860         (already_processed_vertex_p, predecessor_has_mem_write,
6861         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6862         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6863         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6864         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6865         Pass remaining_stmts and upstream_mem_writes as parameters.
6866         (rdg_component): Moved...
6867         (build_rdg_partition_for_component): Do not aggregate components when
6868         flag_streamize_loops is set.
6869         (gen_sequential_loops): New.
6870         (ldist_gen): Call gen_sequential_loops.
6871
6872         * tree-pass.h (pass_loop_streamization): Declared.
6873
6874         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6875         basic blocks when loops structures exist.
6876
6877         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6878
6879         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6880
6881         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6882         eliminate_local_variables_stmt, eliminate_local_variables,
6883         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6884         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6885         of code delimited by two edges in the CFG.
6886         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6887         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6888         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6889         the case of parallelisation of reductions.
6890         (create_loop_fn): Extern.
6891         (create_omp_parallel_region): New.
6892
6893         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6894         dump_data_reference for printing dra and drb.
6895         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6896         RDGE_RELATION.
6897         (build_rdg): Don't call free_dependence_relations for the moment, as
6898         we attach dependence relations on each edge of the RDG.
6899         To be fixed later.
6900
6901         * tree-data-ref.h (rdg_component): ...here.
6902         (struct rdg_edge): New field ddr_p relation.
6903         (RDGE_RELATION): New.
6904         (create_bb_after_loop, copy_loop_before,
6905         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6906         rdg_build_partitions, dump_rdg_partitions,
6907         free_rdg_components): Declared.
6908
6909         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6910         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6911
6912         * tree-loop-streamization.c: New.
6913
6914         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6915         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6916
6917         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6918
6919         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6920
6921         * passes.c: Schedule pass_loop_streamization.
6922
6923 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6924
6925         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6926         update comment.
6927
6928 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6929
6930         * graphite.c (dot_all_scops): Update formatting.
6931         Bbs can now be part of more than one SCoP.
6932
6933 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6934
6935         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6936         malloc problems.
6937         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6938         * graphite.h (loop_to_cloog_loop): New.
6939
6940 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6941
6942         * graphite.c (loop_domain_dim, ref_nb_loops,
6943         loop_iteration_vector_dim): New.
6944         (build_access_matrix_with_af, build_access_matrix,
6945         initialize_dependence_polyhedron): Fixed for new matrix layout.
6946         No longer assume that all iteration domains are of the same
6947         dimensionality.
6948
6949 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6950
6951         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6952         defined in a loop at depth 0 is invariant.
6953         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6954         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6955         be called at loop depth 0.
6956
6957         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6958         a parameter.
6959         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6960         (down_open_scop): Removed.
6961         (loop_in_scop_p): Redefined.
6962         (scop_affine_expr): New argument: scop.
6963         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6964         a harmful statement ending a scop.
6965         (basic_block_simple_for_scop_p): New argument: scop.
6966         (get_loop_start): Removed.
6967         (new_scop): Initialize SCOP_LOOPS.
6968         (free_scop): Free SCOP_LOOPS.
6969         (succs_at_same_depth, preds_at_same_depth): New.
6970         (end_scop): Test the validity of a scop.
6971         (add_dominators_to_open_scops): New.
6972         (test_for_scop_bound): Call add_dominators_to_open_scops.
6973         Add cases for opening and closing multiple scops.
6974         (build_scops, build_scop_bbs): Iterate over basic blocks in
6975         depth first order.
6976         (build_graphite_bb): Pass scop directly.
6977         (dfs_bb_in_scop_p): New.
6978         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6979         several times.
6980         (nb_loops_around_gb): Use loop_in_scop_p.
6981         (schedule_to_scattering): Disabled for the moment the code computing
6982         the "textual order for outer loop".
6983
6984         * graphite.h (struct scop): New field loops.
6985         (SCOP_LOOPS): New.
6986         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6987
6988         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6989
6990 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6991             Sebastian Pop  <sebastian.pop@amd.com>
6992
6993         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6994         * common.opt (fstreamize-loops): New.
6995         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6996         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6997         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6998         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6999
7000 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7001
7002         * tree-data-ref.c (build_empty_rdg): New.
7003         (build_rdg): Use it.
7004         * tree-data-ref.h (build_empty_rdg): Declared.
7005         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7006         (find_vertex_for_stmt): Removed.
7007         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7008
7009 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7010
7011         * tree-loop-distribution.c (generate_builtin): After cancelling the
7012         loop tree, also delete basic blocks.
7013         (rdg_flag_uses): Stop recursion when a vertex has already been
7014         processed.
7015
7016 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7017
7018         * graphite.c (build_scop_alpha): Removed.
7019         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7020         and dump_dependence_graph to avoid compiler warnings.
7021
7022 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7023
7024         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7025         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7026         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7027         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7028         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7029         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7030         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7031         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7032         dump_dependence_graph): New.
7033         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7034         (GBB_ALPHA): New.
7035         (struct scop): New field loop2cloog_loop.
7036         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7037         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7038
7039 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7040
7041         * graphite.c (build_graphite_bb): Fix initialization
7042         of the graphite basic block.
7043
7044 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7045
7046         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7047         loop domain matrix.  Pass in the number of loops contained in the
7048         constraint matrix.
7049         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7050         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7051         loops that are not surrounding the current loop are not represented
7052         in the domain constraint matrix.
7053         (build_scop_iteration_domain): Initial domain constraint matrix
7054         contains only the eq/ineq, cst, and scop parameters columns.
7055
7056 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7057
7058         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7059         (print_graphite_bb): Print scattering.
7060
7061 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7062
7063         * graphite.c (initialize_cloog_names): Initialize names of
7064         scattering variables.
7065
7066 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7067
7068         * graphite.c (dot_all_scops_1): Disable debug output while
7069         printing graph.
7070
7071 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7072
7073         * graphite.c (find_transform): Change cloog output language to C.
7074
7075 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7076
7077         * tree-loop-distribution.c (generate_memset_zero,
7078         generate_builtin, generate_code_for_partition,
7079         rdg_flag_all_uses): New.
7080         (rdg_flag_uses): Gather in the same partition the statements defining
7081         the VUSES of the current statement.
7082         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7083         Gather in the same partition not only the stores to the same memory
7084         access, but also the reads.
7085         (ldist_generate_loops): Renamed ldist_gen.
7086
7087 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7088             Tobias Grosser  <grosser@fmi.uni-passau.de>
7089
7090         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7091         next pointer, don't use the inner pointer.
7092
7093 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7094
7095         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7096         (find_transform): Call dot_all_1.
7097         * graphite.h (dot_all_scops): Declared.
7098
7099 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7100
7101         * tree-loop-distribution.c: Fix apsi.f ICE.
7102         (create_bb_after_loop): New.
7103         (generate_loops_for_partition): Use it.
7104         * gfortran.dg/ldist-1.f90: New.
7105
7106         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7107         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7108
7109 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7110
7111         * graphite.c (find_transform): Dump cloog program sent to cloog.
7112
7113 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7114
7115         * graphite.c (initialize_cloog_names): Initialize cloog
7116         iterator names.
7117
7118 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7119
7120         * graphite.c (build_scop_context): Fix typo, for the matrix
7121         format: insert '0 >= 0' instead of '-1 >= 0'.
7122
7123 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7124
7125         * Fix merge problems.
7126
7127 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7128
7129         * graphite.c (setup_cloog_loop): Fix typo.
7130
7131 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7132
7133         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7134         * tree-loop-distribution.c: Reimplemented.
7135         * tree-pass.h (pass_loop_distribution): New.
7136         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7137         print_loops.
7138         * graphds.h (struct graph): New field indexes.
7139         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7140
7141         * tree-vect-analyze.c: Remove declaration of static functions when not
7142         needed.
7143         * tree-vectorizer.c: Same.
7144         (rename_variables_in_loop): Now extern.
7145         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7146         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7147         calling redirect_edge_and_branch_force.
7148
7149         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7150
7151         * tree-data-ref.c: Don't include tree-chrec.h.
7152         (debug_data_dependence_relations): New.
7153         (dump_data_dependence_relation): Call dump_data_reference on data refs
7154         in the relation.
7155         (same_access_functions): Moved...
7156         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7157         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7158         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7159         struct rdg_vertex_info, ): New.
7160         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7161         at DDR_REVERSED_P.
7162         (create_rdg_vertices): Initialize the htab of graph->indexes.
7163         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7164         (stmts_from_loop): Don't save LABEL_EXPR.
7165         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7166         hash_stmt_vertex_del): New.
7167         (build_rdg): Initialize rdg->indexes.
7168         (free_rdg, stores_from_loop, ref_base_address,
7169         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7170         have_similar_memory_accesses_1, ref_base_address_1,
7171         remove_similar_memory_refs): New.
7172
7173         * tree-data-ref.h: Include tree-chrec.h.
7174         (debug_data_dependence_relations): Declared.
7175         (same_access_functions): ...here.  Now static inline.
7176         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7177         ddr_dependence_level): New.
7178         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7179         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7180         RDG_MEM_READS_STMT): New.
7181         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7182         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7183         rdg_vertex_for_stmt): Declared.
7184         (struct rdg_edge): New field level.
7185         (RDGE_LEVEL, free_rdg): New.
7186         (stores_from_loop, remove_similar_memory_refs,
7187         rdg_defs_used_in_other_loops_p,
7188         have_similar_memory_accesses): Declared.
7189         (rdg_has_similar_memory_accesses): New.
7190
7191         * lambda.h (dependence_level): New.
7192         * common.opt (ftree-loop-distribution): New.
7193         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7194         (print_loop_ir): Renamed print_loops.
7195         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7196         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7197         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7198         (tree-loop-distribution.o): Added.
7199         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7200         (mark_virtual_ops_in_bb): New.
7201         (print_loops_bb, debug_loop_num, debug_loop): New.
7202         * passes.c: Scheduled pass_loop_distribution.
7203
7204 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7205
7206         * graphite.c (scan_tree_for_params): Correct the number of columns
7207         for polylib format.
7208         (nb_flat_iterator): New.
7209         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7210         (build_scop_iteration_domain): Correct the number of columns for
7211         polylib format.
7212
7213 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7214
7215         * Merge from mainline (129697:130800).
7216
7217 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7218
7219         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7220         dominated by SCoP's exit.
7221         (graphite_transform_loops): Compute post dominators.
7222
7223 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7224
7225         * Merge from mainline (127169:129697).
7226
7227 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7228
7229         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7230         parameter for the basic block that contains the expression.  Use
7231         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7232         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7233         the expression.
7234         * graphite.h (gbb_loop): New.
7235         (GBB_LOOP): Removed.
7236
7237 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7238
7239         * Makefile.in: Fix merge problem.
7240
7241 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7242
7243         * Merge from mainline (125309:127169).
7244         * tree-loop-distribution.c: Disabled.
7245
7246 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7247
7248         * Merge from mainline (r123693:125309).
7249
7250 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7251
7252         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7253         correct_modify_p
7254         (correct_modify_p, check_statements, number_of_lvalue_uses,
7255         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7256         instead of MODIFY_EXPR.
7257         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7258         and push new edges.
7259
7260 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7261
7262         * tree-loop-distribution.c (struct rdg): Replace arrays by
7263         VECs for edges and vertices.
7264         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7265         (RDGV_NB_PARTITIONS): New.
7266         (PRDG_NBV, PRDG_NBE): Removed.
7267         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7268         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7269         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7270
7271 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7272             Sebastian Pop  <sebpop@gmail.com>
7273
7274         * doc/invoke.texi (-ftree-loop-distribution): Document.
7275         * tree-loop-distribution.c: New file.
7276         * tree-pass.h (pass_loop_distribution): Declared.
7277         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7278         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7279         and set reversed_p.
7280         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7281         (DDR_REVERSED_P): New.
7282         * common.opt (-ftree-loop-distribution): New.
7283         * tree-flow.h (distribute_loops): Declared.
7284         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7285         * passes.c (init_optimization_passes): Schedule loop distribution.
7286
7287 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7288
7289         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7290         (print_scop): Don't print when scop is NULL.
7291         (build_scop_context, find_transform): Don't output to stderr.
7292
7293 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7294
7295         * tree-data-ref.c: Don't include graphite.h.
7296         Comment out the code for printing data reference's scop.
7297         (build_access_matrix_with_af): Moved...
7298         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7299         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7300         (print_graphite_bb): Print basic block's schedule.
7301         (print_scop): Don't print the schedule, call cloog's pretty printer.
7302         (bb_in_scop_p): A basic block is in a scop only if it is both
7303         dominated and postdominated by the scop's entry and exit basic blocks.
7304         (function_parameter_p): New.
7305         (invariant_in_scop_p): Use function_parameter_p.
7306         (new_scop, save_scop): New.
7307         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7308         save_scop.
7309         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7310         (loop_in_scop_p): New.
7311         (scop_record_loop): Use loop_in_scop_p.
7312         (build_scop_domain): Renamed build_scop_iteration_domain.
7313         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7314         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7315         setup_cloog_loop, dot_scop_1, dot_scop): New.
7316         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7317         (struct scop): Add a pointer to cloog's representation of a program.
7318
7319 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7320
7321         * doc/invoke.texi (-ftree-check-verbose): Renamed
7322         -ftree-checks-verbose.
7323         * common.opt (flag_tree_check_verbose): Renamed
7324         flag_tree_checks_verbose.
7325         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7326
7327 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7328
7329         * configure: Regenerated.
7330         * config.in: Regenerated.
7331         * tree-ssa-loop.c (graphite_transforms): Execute
7332         graphite_transform_loops only when HAVE_cloog.
7333         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7334         * graphite.c: Include polylibgmp.h and cloog.h.
7335         (graphite_transform_loops): Removed loops parameter.
7336         * tree-flow.h (graphite_transform_loops): Update declaration.
7337         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7338         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7339         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7340         (OBJS-common): Remove dependence on graphite.o.
7341         (BACKEND): Depend on @GRAPHITE@.
7342
7343 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7344
7345         * doc/invoke.texi (-ftree-check-verbose): Documented.
7346         * gcc.dg/tree-checker/tree-checks-1.c: New.
7347         * gcc.dg/tree-checker/tree-checks-2.c: New.
7348         * gcc.dg/tree-checker/tree-checks-3.c: New.
7349         * gcc.dg/tree-checker/tree-checks-4.c: New.
7350         * gcc.dg/tree-checker/tree-checks.exp: New.
7351         * gcc.dg/tree-checker/condates.crp: New.
7352         * common.opt (ftree-checks-verbose): New.
7353         * tree-check.c (tree_check_warning): Move extra stderr output
7354         under control of flag_tree_check_verbose.
7355
7356 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7357
7358         * tree-match.c: Fix comments formatting.
7359         * tree-match.h: Fix comments formatting.
7360         * tree-check.c: Fix comments formatting.
7361         (tree_check_init): Restructure.
7362
7363 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7364
7365         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7366
7367 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7368
7369         * Merge from mainline (r120733:123693).
7370
7371 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7372
7373         * condate.y: New file.
7374         * tree-match.h (struct patt_info_s): New field sign.
7375         (struct condate_s): New field msg.
7376         (normalize_condate, name_condate, add_condate): New.
7377         (conds[], condate_parse): Made extern.
7378         * tree-check.c (tree_check_warning): First arg changed to cond;
7379         warning reformatted.
7380         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7381         (tree_scan): New.
7382         (tree_check): Process trivial condates.
7383         (read_delimited_string): Removed.
7384         (print_cond): Print name and msg.
7385         (conds[]): Made extern.
7386         (parse_tree_check_file_once): Rewritten to use the parser in
7387         condate.y.
7388         Processing of option --tree_check_string moved to tree_scan().
7389         * Makefile.in: Added condate.y
7390
7391 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7392
7393         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7394         Use VECs instead of varrays.
7395         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7396         * Makefile.in (pretty-print.o): Depend on vec.h.
7397         * pretty-print.c: Include tree.h and vec.h.
7398         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7399         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7400         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7401         pp_free_list): Use VECs instead of varrays.
7402         * pretty-print.h: Do not include varray.h.
7403         (struct tree_chunk_s): Declaration moved before its use.
7404         (output_buffer): Rename varray field to chunks.
7405         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7406         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7407         save_global_holes): Use VECs instead of varrays.
7408         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7409         * tree-check.c (scan_cfg_stmts, push_node,
7410         print_matching_stmt): Removed.
7411         (tree_check_instance, push_global_holes_if_new, tree_check,
7412         execute_tree_check): Use VECs instead of varrays.
7413         (gate_tree_check): Don't execute the CFG check when basic_block_info
7414         is not available.
7415
7416 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7417
7418         * Merge from mainline (r115016:120733).
7419
7420 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7421
7422         * Merge from mainline (r117632:117661).
7423
7424 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7425
7426         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7427         * tree-pass.h (TDF_DEBUG, debug_p): New.
7428         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7429         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7430         get_loop_exit_condition, analyze_evolution_in_loop,
7431         analyze_initial_condition, analyze_scalar_evolution,
7432         instantiate_parameters, number_of_latch_executions): Use debug_p.
7433         * tree-chrec.c (chrec_apply): Use debug_p.
7434         * tree-data-ref.c: Include graphite.h.
7435         (dump_data_reference): Print also the access matrix.
7436         (analyze_array, analyze_indirect_ref, init_data_ref,
7437         analyze_offset_expr, address_analysis, object_analysis,
7438         create_data_ref, finalize_ddr_dependent,
7439         non_affine_dependence_relation, analyze_ziv_subscript,
7440         analyze_siv_subscript_cst_affine,
7441         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7442         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7443         analyze_miv_subscript, analyze_overlapping_iterations,
7444         build_classic_dist_vector, subscript_dependence_tester,
7445         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7446         (build_access_matrix_with_af): No longer static.
7447         * tree-data-ref.h (scop_p): ... declaration here.
7448         (data_reference.scop): New field.
7449         (DR_SCOP, DR_ACCESS_MATRIX): New.
7450         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7451         * graphite.c (print_graphite_bb): Call dump_data_references.
7452         (print_scop): Use scop_nb_loops and scop_dim_domain.
7453         (test_for_scop_bound): Use debug_p.
7454         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7455         scop_nb_params.
7456         (scop_loop_index): Moved...
7457         (scop_record_loop): New.
7458         (build_scop_loop_nests): Use scop_record_loop.
7459         (build_scop_domain): Use scop_dim_domain.
7460         (build_access_matrix): Implemented.
7461         (build_scop_canonical_schedules): Use scop_nb_loops.
7462         (build_graphite_bb): Initialize GBB_SCOP.
7463         * graphite.h (scop_p): Moved...
7464         (graphite_bb.scop): New field.
7465         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7466         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7467         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7468         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7469         scop_loop_index): New.
7470         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7471
7472 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7473
7474         * Merge from mainline (r117661:120450).
7475
7476 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7477
7478         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7479         at the first declaration outside the varying loop, instantiate as
7480         far as possible.
7481         * tree-chrec.c (for_each_scev_op): New.
7482         * tree-chrec.h (for_each_scev_op): Declared.
7483         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7484         * tree-data-ref.c (get_references_in_stmt,
7485         find_data_references_in_stmt): New, from trunk.
7486         (find_data_references_in_loop): Use get_references_in_stmt
7487         and find_data_references_in_loop, modified as in trunk.
7488         (build_access_matrix_with_af): New.
7489         * tree-data-ref.h (data_reference): Add a field access_matrix.
7490         (data_ref_loc): New, as in trunk.
7491         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7492         invariant_in_scop_p, param_index, scan_tree_for_params,
7493         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7494         idx_record_param, idx_record_params, build_access_matrix,
7495         build_scop_data_accesses, build_scop_canonical_schedules,
7496         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7497         build_scop_params): New.
7498         * graphite.h (graphite_bb): New.
7499         (scop): Add fields static_schedule, params, loop_nest,
7500         iteration_domain.
7501         * lambda.h: Declare vecs of lambda_matrix.
7502         * tree-flow.h (print_loop_ir_bb): Declared.
7503         * tree-cfg.c (print_loop_ir_bb): New.
7504         (print_loop): Use print_loop_ir_bb.
7505
7506 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7507
7508         * Merge from mainline (r115016:117632).
7509
7510 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7511
7512         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7513         break due to a warning.
7514
7515 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7516
7517         * graphite.c (print_scops, debug_scops): New.
7518         (graphite_transform): Renamed graphite_find_transform.
7519         * graphite.h (debug_scops): Declared.
7520
7521 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7522
7523         * tree-match.c: Reformat following the GNU style.
7524         * tree-match.h: Reformat following the GNU style.
7525         * tree-pattern.h: Removed empty file.
7526         * Makefile.in: Remove references to tree-pattern.h.
7527         * tree-check.c: Reformat following the GNU style.
7528         (execute_tree_check): Move gate condition code to...
7529         (gate_tree_check): ...here.  New function.
7530         (pass_check): Use the gate function.
7531
7532 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7533
7534         * tree-pattern.h: New. Tree pattern matching and checking using
7535         concrete syntax.
7536         * tree-check.c: New. Tree/CFG checking pass.
7537         * tree-match.c: New. Library for tree pattern matching.
7538         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7539         * toplev.c, flags.h: Add globals for tree-check pass.
7540         * Makefile.in: Integrate the files in tree-check pass.
7541         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7542         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7543         Introduce a "lazy" pretty-print mode.
7544         * tree.c, tree.h: Add tree_name.
7545
7546 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7547
7548         * doc/invoke.texi (-fgraphite): Correct typo.
7549         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7550         use of print_loop_ir.
7551         * gcc.dg/graphite/scop-1.c: New.
7552         * gcc.dg/graphite/scop-2.c: New.
7553         * gcc.dg/graphite/graphite.exp: New.
7554         * graphite.c: Include domwalk.h.
7555         (print_scop): Print only the entry and exit blocks.
7556         (debug_scop): No longer static.
7557         (affine_expr): Fix formating.  Return also true when the expression is
7558         constant.
7559         (stmt_simple_for_scop_p): Fix formating.
7560         (build_scops): Use domwalk.
7561         (get_loop_start, end_scop, test_for_scop_bound): New.
7562         (graphite_transform_loops): Avoid printing on stderr.
7563         * graphite.h (debug_scop): Declared.
7564         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7565         * Makefile.in (graphite.o): Depend on domwalk.h.
7566         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7567         declarations for static functions.
7568         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7569         controlling output verbosity.
7570
7571 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7572             Plesco Alexandru  <shurikx@gmail.com>
7573
7574         * doc/invoke.texi (-fgraphite): Document.
7575         * tree-pass.h (pass_graphite_transforms): Declared.
7576         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7577         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7578         (pass_graphite_transforms): Defined.
7579         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7580         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7581         * graphite.c, graphite.h: New.
7582         * common.opt (fgraphite): Declared.
7583         * tree-flow.h (graphite_transform_loops): Declared.
7584         * Makefile.in (OBJS-common): Add graphite.o.
7585         (graphite.o): New rule.
7586         * passes.c (pass_graphite_transforms): Scheduled.
7587