gcc/ChangeLog.graphite

   1 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
   4         size_one_node.
   5
   6 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
   9         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
  10
  11 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
  14         phi_arg_in_outermost_loop.
  15         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
  16         (remove_invariant_phi): Same.
  17
  18 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  19
  20         * graphite-blocking.c
  21         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
  22         * graphite-clast-to-gimple.c
  23         (clast_to_gcc_expression): Same.
  24         (precision_for_value): Same.
  25         (precision_for_interval): Same.
  26         (gcc_type_for_interval): Same.
  27         (graphite_create_new_guard): Same.
  28         (compute_bounds_for_level): Same.
  29         (graphite_create_new_loop_guard): Same.
  30         * graphite-interchange.c
  31         (build_linearized_memory_access): Same.
  32         (pdr_stride_in_loop): Same.
  33         (memory_strides_in_loop_1): Same.
  34         (memory_strides_in_loop): Same.
  35         (extend_scattering): Same.
  36         (psct_scattering_dim_for_loop_depth): Same.
  37         (pbb_number_of_iterations): Same.
  38         * graphite-poly.h
  39         (debug_iteration_domains): Same.
  40         * graphite-ppl.c
  41         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
  42         (ppl_set_inhomogeneous_gmp): Same.
  43         (ppl_strip_loop): Same.
  44         (ppl_lexico_compare_linear_expressions): Same.
  45         (ppl_read_polyhedron_matrix): Same.
  46         (ppl_max_for_le_pointset): Same.
  47         * graphite-ppl.h
  48         (ppl_read_polyhedron_matrix): Same.
  49         (tree_int_to_gmp): Same.
  50         (gmp_cst_to_tree): Same.
  51         (ppl_set_inhomogeneous): Same.
  52         (ppl_set_inhomogeneous_tree): Same.
  53         (ppl_set_coef): Same.
  54         (ppl_set_coef_tree): Same.
  55         * graphite-sese-to-poly.c
  56         (build_pbb_scattering_polyhedrons): Same.
  57         (build_scop_scattering): Same.
  58         (scan_tree_for_params_right_scev): Same.
  59         (scan_tree_for_params): Same.
  60         (find_params_in_bb): Same.
  61         (find_scop_parameters): Same.
  62         (add_upper_bounds_from_estimated_nit): Same.
  63         (build_loop_iteration_domains): Same.
  64         (add_condition_to_domain): Same.
  65         (pdr_add_memory_accesses): Same.
  66
  67 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  68
  69         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
  70         CLooG's value_* macros to their respective mpz_* counterparts.
  71         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
  72         (graphite_create_new_loop_guard): Same.
  73         * graphite-interchange.c (build_linearized_memory_access): Same.
  74         (pdr_stride_in_loop): Same.
  75         (memory_strides_in_loop_1): Same.
  76         (1st_interchange_profitable_p): Same.
  77         * graphite-poly.c (extend_scattering): Same.
  78         (psct_scattering_dim_for_loop_depth): Same.
  79         (pbb_number_of_iterations): Same.
  80         (pbb_number_of_iterations_at_time): Same.
  81         * graphite-poly.h (new_1st_loop): Same.
  82         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
  83         (oppose_constraint): Same.
  84         (insert_constraint_into_matrix): Same.
  85         (ppl_set_inhomogeneous_gmp): Same.
  86         (ppl_set_coef_gmp): Same.
  87         (ppl_strip_loop): Same.
  88         (ppl_lexico_compare_linear_expressions): Same.
  89         (ppl_max_for_le_pointset): Same.
  90         (ppl_min_for_le_pointset): Same.
  91         (ppl_build_realtion): Same.
  92         * graphite-ppl.h (gmp_cst_to_tree): Same.
  93         (ppl_set_inhomogeneous): Same.
  94         (ppl_set_inhomogeneous_tree): Same.
  95         (ppl_set_coef): Same.
  96         (ppl_set_coef_tree): Same.
  97         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
  98         (build_scop_scattering): Same.
  99         (add_value_to_dim): Same.
 100         (scan_tree_for_params_right_scev): Same.
 101         (scan_tree_for_params_int): Same.
 102         (scan_tree_for_params): Same.
 103         (find_params_in_bb): Same.
 104         (find_scop_parameters): Same.
 105         (add_upper_bounds_from_estimated_nit): Same.
 106         (build_loop_iteration_domains): Same.
 107         (create_linear_expr_from_tree): Same.
 108         (add_condition_to_domain): Same.
 109         (pdr_add_memory_accesses): Same.
 110
 111 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 112
 113         PR middle-end/43519
 114         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 115         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 116         When converting an unsigned type to signed, double its precision.
 117         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 118         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 119         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 120
 121 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         PR middle-end/43519
 124         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 125         build_nonstandard_integer_type.
 126         (gcc_type_for_interval): Same.
 127
 128 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 129
 130         PR middle-end/43519
 131         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 132         POINTER_PLUS_EXPR for pointer types.
 133
 134         * gcc.dg/graphite/id-19.c: New.
 135
 136 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 137
 138         PR middle-end/43519
 139         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 140         * graphite-clast-to-gimple.c: Include langhooks.h.
 141         (max_signed_precision_type): New.
 142         (max_precision_type): Takes two types as arguments.
 143         (precision_for_value): New.
 144         (precision_for_interval): New.
 145         (gcc_type_for_interval): New.
 146         (gcc_type_for_value): New.
 147         (gcc_type_for_clast_term): New.
 148         (gcc_type_for_clast_red): New.
 149         (gcc_type_for_clast_bin): New.
 150         (gcc_type_for_clast_expr): Split up into several functions.
 151         (gcc_type_for_clast_eq): Rewritten.
 152         (compute_bounds_for_level): New.
 153         (compute_type_for_level_1): New.
 154         (compute_type_for_level): New.
 155         (gcc_type_for_cloog_iv): Removed.
 156         (gcc_type_for_iv_of_clast_loop): Rewritten.
 157         (graphite_create_new_loop): Compute the lower and upper bound types
 158         with gcc_type_for_clast_expr.
 159         (graphite_create_new_loop_guard): Same.
 160         (find_cloog_iv_in_expr): Removed.
 161         (compute_cloog_iv_types_1): Removed.
 162         (compute_cloog_iv_types): Removed.
 163         (gloog): Do not call compute_cloog_iv_types.
 164         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 165         GBB_CLOOG_IV_TYPES.
 166         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 167         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 168         (GBB_CLOOG_IV_TYPES): Removed.
 169
 170         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 171
 172 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 173
 174         Reverted this commit: as at this point the loop closed SSA form
 175         is under a canonical form respecting the single argument condition.
 176         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 177         close phi nodes may have more than one argument.
 178
 179 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 180
 181         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 182         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 183         (detect_commutative_reduction): Same.
 184
 185 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 188         close phi nodes may have more than one argument.
 189
 190 2010-03-30  Richard Guenther  <rguenther@suse.de>
 191             Zdenek Dvorak  <ook@ucw.cz>
 192             Sebastian Pop  <sebastian.pop@amd.com>
 193
 194         PR middle-end/43464
 195         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
 196         with multiple arguments.
 197         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
 198
 199 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 200
 201         * graphite-dependences.c (print_pddr): Call print_pdr with an
 202         extra argument.
 203         * graphite-poly.c (debug_pdr): Add an extra argument for the
 204         verbosity level.
 205         (print_pdr): Same.
 206         (print_pbb_domain): Same.
 207         (print_pbb): Same.
 208         (print_scop_context): Same.
 209         (print_scop): Same.
 210         (print_cloog): Same.
 211         (debug_pbb_domain): Same.
 212         (debug_pbb): Same.
 213         (print_pdrs): Same.
 214         (debug_pdrs): Same.
 215         (debug_scop_context): Same.
 216         (debug_scop): Same.
 217         (debug_cloog): Same.
 218         (print_scop_params): Same.
 219         (debug_scop_params): Same.
 220         (print_iteration_domain): Same.
 221         (print_iteration_domains): Same.
 222         (debug_iteration_domain): Same.
 223         (debug_iteration_domains): Same.
 224         (print_scattering_function): Same.
 225         (print_scattering_functions): Same.
 226         (debug_scattering_function): Same.
 227         (debug_scattering_functions): Same.
 228         * graphite-poly.h (debug_pdr): Update declaration.
 229         (print_pdr): Same.
 230         (print_pbb_domain): Same.
 231         (print_pbb): Same.
 232         (print_scop_context): Same.
 233         (print_scop): Same.
 234         (print_cloog): Same.
 235         (debug_pbb_domain): Same.
 236         (debug_pbb): Same.
 237         (print_pdrs): Same.
 238         (debug_pdrs): Same.
 239         (debug_scop_context): Same.
 240         (debug_scop): Same.
 241         (debug_cloog): Same.
 242         (print_scop_params): Same.
 243         (debug_scop_params): Same.
 244         (print_iteration_domain): Same.
 245         (print_iteration_domains): Same.
 246         (debug_iteration_domain): Same.
 247         (debug_iteration_domains): Same.
 248         (print_scattering_function): Same.
 249         (print_scattering_functions): Same.
 250         (debug_scattering_function): Same.
 251         (debug_scattering_functions): Same.
 252
 253 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 254
 255         * graphite-poly.c (print_scattering_function_1): New.
 256         (print_scattering_function): Call it.
 257         (print_scop_params): Remove spaces at the end of lines.
 258         (print_cloog): New.
 259         (debug_cloog): New.
 260         * graphite-poly.h (print_cloog): Declared.
 261         (debug_cloog): Declared.
 262
 263 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 264
 265         * tree-ssa-copy.c: Revert this previous change:
 266         (init_copy_prop): Loop closed phi nodes cancontain more than one
 267         argument.
 268         (execute_copy_prop): Revert the previous change: do not call
 269         rewrite_into_loop_closed_ssa.
 270
 271 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 272             Richard Guenther  <rguenther@suse.de>
 273
 274         PR middle-end/43464
 275         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
 276         contain more than one argument.
 277         (execute_copy_prop): Revert the previous change: do not call
 278         rewrite_into_loop_closed_ssa.
 279
 280         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
 281         * gcc.dg/graphite/id-pr43464-1.c: New.
 282
 283 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 284
 285         PR middle-end/43464
 286         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
 287         and verify_loop_closed_ssa when copy prop is executed in the LNO.
 288
 289         * gcc.dg/graphite/id-pr43464.c: New.
 290
 291 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
 294         in loop->header.
 295         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
 296         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
 297         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 298         to switch between adding the IV bump in loop->latch or in loop->header.
 299
 300 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 301
 302         * passes.c (init_optimization_passes): Add pass_copy_prop
 303         after Graphite.
 304
 305 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 306
 307         * graphite-poly.c (print_scattering_function): Pretty print following
 308         the scoplib format.
 309         (print_pdr): Same.
 310         (print_pbb_domain): Same.
 311         (dump_gbb_cases): Same.
 312         (dump_gbb_conditions): Same.
 313         (print_pdrs): Same.
 314         (print_pbb): Same.
 315         (print_scop_params): Same.
 316         (print_scop_context): Same.
 317         (print_scop): Same.
 318         (print_pbb_body): New.
 319         (lst_indent_to): New.
 320         (print_lst): Start new lines with a #.
 321         * graphite-poly.h (pbb_bb): New.
 322         (pbb_index): Use pbb_bb.
 323         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 324         disjuncts.
 325         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 326
 327 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 328
 329         PR middle-end/43351
 330         * gcc.dg/graphite/id-pr43351.c
 331
 332 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 333
 334         PR middle-end/43354
 335         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 336         call insert_out_of_ssa_copy for default definitions.
 337         * gfortran.dg/graphite/id-pr43354.f: New.
 338
 339 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         PR middle-end/43349
 342         * gfortran.dg/graphite/pr43349.f: New.
 343
 344 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         * graphite-clast-to-gimple.c (my_long_long): Defined.
 347         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 348         * graphite-sese-to-poly.c (my_long_long): Defined.
 349         (scop_ivs_can_be_represented): Use it.
 350
 351 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 352
 353         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 354         graphite-max-bbs-per-function, and loop-block-tile-size.
 355         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 356         with "maximum".
 357         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 358
 359 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 360
 361         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 362         forward declaration.
 363         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 364         (add_upper_bounds_from_estimated_nit): New.
 365         (build_loop_iteration_domains): Use it.
 366
 367 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 368
 369         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 370
 371 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 372
 373         PR middle-end/43306
 374         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 375         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 376         * gcc.dg/graphite/pr43306.c: New.
 377
 378 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * graphite.c (graphite_initialize): To bound the number of bbs per
 381         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 382         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 383         * doc/invoke.texi: Document it.
 384
 385 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 386
 387         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 388         * graphite-sese-to-poly.h (build_poly_scop): Same.
 389
 390 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 391
 392         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 393         the number of parameters in the scop.  Use as an upper bound
 394         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 395         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 396         * doc/invoke.texi: Document it.
 397
 398 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 399
 400         * graphite-sese-to-poly.c (add_param_constraints): Use
 401         lower_bound_in_type and upper_bound_in_type.
 402
 403 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 404
 405         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 406         instead of unsigned_type_node.
 407
 408 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 409             Reza Yazdani  <reza.yazdani@amd.com>
 410
 411         PR middle-end/43065
 412         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 413         on pointer type parameters.
 414
 415         * gcc.dg/graphite/run-id-4.c: New.
 416
 417 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         PR middle-end/43065
 420         * gcc.dg/graphite/run-id-3.c: New.
 421
 422 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 423             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 424
 425         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 426         handle conversions from pointer to integers.
 427         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 428         induction variable, to be able to work with code generated by CLooG.
 429         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 430         (build_poly_scop): Bail out if we cannot codegen a loop.
 431
 432 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 433
 434         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 435         code generation with gloog_error.
 436
 437 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 440         Call fold_convert on all the returned values.
 441         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 442         the type of the resulting expression.
 443
 444 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 445
 446         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 447         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 448         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 449
 450 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 451
 452         * graphite-dependences.c (map_into_dep_poly): Removed.
 453         (dependence_polyhedron_1): Use combine_context_id_scat.
 454
 455 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 456
 457         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 458         (struct poly_bb): Same.
 459         (combine_context_id_scat): New.
 460
 461 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 462
 463         PR middle-end/42326
 464         * sese.c (name_defined_in_loop_p): Return false for default
 465         definitions.
 466
 467         * gcc.dg/graphite/pr42326.c: New.
 468
 469 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 472         and clean up the logic.
 473
 474 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 475
 476         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 477         early return.
 478
 479 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 480
 481         PR middle-end/43083
 482         * graphite-scop-detection.c (create_single_exit_edge): Move
 483         the call to find_single_exit_edge to....
 484         (create_sese_edges): ...here.  Don't handle multiple edges
 485         exiting the function.
 486         (build_graphite_scops): Don't handle multiple edges
 487         exiting the function.
 488
 489         * gcc.dg/graphite/pr43083.c: New.
 490
 491 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         PR middle-end/43097
 494         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 495         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 496
 497         * gfortran.dg/graphite/pr43097.f: New.
 498
 499 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 500
 501         PR middle-end/43083
 502         * graphite-scop-detection.c (create_single_exit_edge): Move
 503         the call to find_single_exit_edge to....
 504         (create_sese_edges): ...here.  Don't handle multiple edges
 505         exiting the function.
 506         (build_graphite_scops): Don't handle multiple edges
 507         exiting the function.
 508
 509         * gcc.dg/graphite/pr43083.c: New.
 510
 511 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 512
 513         PR middle-end/43097
 514         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 515         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 516
 517         * gfortran.dg/graphite/pr43097.f: New.
 518
 519 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 520             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 521
 522         PR middle-end/43140
 523         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 524
 525 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         PR middle-end/43026
 528         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 529
 530         * g++.dg/graphite/pr43026.C: New.
 531
 532 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 533
 534         * Merge from mainline (154736:156693).
 535
 536 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         PR middle-end/43026
 539         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 540
 541         * g++.dg/graphite/pr43026.C: New.
 542
 543 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 544
 545         * Merge from mainline (154736:156693).
 546
 547 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         PR middle-end/43012
 550         * gcc.dg/graphite/pr43012.c: New.
 551
 552 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 553
 554         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 555
 556 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * g++.dg/graphite/pr42930.C: New.
 559
 560 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 561
 562        * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 563
 564 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         * g++.dg/graphite/pr42930.C: New.
 567
 568 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 569
 570         PR middle-end/42930
 571         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 572         graphite_can_represent_init for MULT_EXPR.
 573
 574 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 575
 576         PR middle-end/42914
 577         PR middle-end/42530
 578         * graphite-sese-to-poly.c (remove_phi): New.
 579         (translate_scalar_reduction_to_array): Call remove_phi.
 580
 581         * gcc.dg/graphite/pr42530.c: New.
 582         * gcc.dg/graphite/pr42914.c: New.
 583
 584 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         PR middle-end/42930
 587         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 588         graphite_can_represent_init for MULT_EXPR.
 589
 590 2010-02-10  Sebastian Pop  <seb@napoca>
 591
 592         PR middle-end/42914
 593         PR middle-end/42530
 594         * graphite-sese-to-poly.c (remove_phi): New.
 595         (translate_scalar_reduction_to_array): Call remove_phi.
 596
 597         * gcc.dg/graphite/pr42530.c: New.
 598         * gcc.dg/graphite/pr42914.c: New.
 599
 600 2010-02-10  Sebastian Pop  <seb@napoca>
 601
 602         PR middle-end/42771
 603         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 604         * graphite-clast-to-gimple.h (gloog): Update declaration.
 605         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 606         * graphite-poly.h (struct poly_bb): Add missing comments.
 607         (struct scop): Add poly_scop_p field.
 608         (POLY_SCOP_P): New.
 609         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 610         * graphite.c (graphite_transform_loops): Build the polyhedral
 611         representation for each scop before code generation.
 612         * sese.c (rename_variables_in_operand): Removed.
 613         (rename_variables_in_expr): Return the renamed expression.
 614         (rename_sese_parameters): New.
 615         * sese.h (rename_sese_parameters): Declared.
 616
 617         * gcc.dg/graphite/pr42771.c: New.
 618
 619 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 620
 621         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 622         return 0 from main.
 623         * gcc.dg/graphite/block-1.c: Same.
 624         * gcc.dg/graphite/block-3.c: Same.
 625         * gcc.dg/graphite/block-4.c: Same.
 626         * gcc.dg/graphite/block-5.c: Same.
 627         * gcc.dg/graphite/block-6.c: Same.
 628         * gcc.dg/graphite/block-7.c: Same.
 629         * gcc.dg/graphite/interchange-0.c: Same.
 630         * gcc.dg/graphite/interchange-1.c: Same.
 631         * gcc.dg/graphite/interchange-10.c: Same.
 632         * gcc.dg/graphite/interchange-11.c: Same.
 633         * gcc.dg/graphite/interchange-12.c: Same.
 634         * gcc.dg/graphite/interchange-2.c: Same.
 635         * gcc.dg/graphite/interchange-3.c: Same.
 636         * gcc.dg/graphite/interchange-4.c: Same.
 637         * gcc.dg/graphite/interchange-5.c: Same.
 638         * gcc.dg/graphite/interchange-6.c: Same.
 639         * gcc.dg/graphite/interchange-7.c: Same.
 640         * gcc.dg/graphite/interchange-8.c: Same.
 641         * gcc.dg/graphite/interchange-9.c: Same.
 642         * gcc.dg/graphite/interchange-mvt.c: Same.
 643
 644 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         * gfortran.dg/graphite/id-19.f: New.
 647         * gfortran.dg/graphite/pr14741.f90: New.
 648         * gfortran.dg/graphite/pr41924.f90: New.
 649         * gfortran.dg/graphite/run-id-2.f90: New.
 650
 651 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         PR middle-end/42988
 654         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 655         to unknown_dependence.
 656         (graphite_legal_transform_dr): Handle the unknown_dependence.
 657         (graphite_carried_dependence_level_k): Same.
 658
 659 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 662         return 0 from main.
 663         * gcc.dg/graphite/block-1.c: Same.
 664         * gcc.dg/graphite/block-3.c: Same.
 665         * gcc.dg/graphite/block-4.c: Same.
 666         * gcc.dg/graphite/block-5.c: Same.
 667         * gcc.dg/graphite/block-6.c: Same.
 668         * gcc.dg/graphite/block-7.c: Same.
 669         * gcc.dg/graphite/interchange-0.c: Same.
 670         * gcc.dg/graphite/interchange-1.c: Same.
 671         * gcc.dg/graphite/interchange-10.c: Same.
 672         * gcc.dg/graphite/interchange-11.c: Same.
 673         * gcc.dg/graphite/interchange-12.c: Same.
 674         * gcc.dg/graphite/interchange-2.c: Same.
 675         * gcc.dg/graphite/interchange-3.c: Same.
 676         * gcc.dg/graphite/interchange-4.c: Same.
 677         * gcc.dg/graphite/interchange-5.c: Same.
 678         * gcc.dg/graphite/interchange-6.c: Same.
 679         * gcc.dg/graphite/interchange-7.c: Same.
 680         * gcc.dg/graphite/interchange-8.c: Same.
 681         * gcc.dg/graphite/interchange-9.c: Same.
 682         * gcc.dg/graphite/interchange-mvt.c: Same.
 683
 684 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 685
 686         * gfortran.dg/graphite/id-19.f: New.
 687         * gfortran.dg/graphite/pr14741.f90: New.
 688         * gfortran.dg/graphite/pr41924.f90: New.
 689         * gfortran.dg/graphite/run-id-2.f90: New.
 690
 691 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         PR middle-end/42988
 694         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 695         to unknown_dependence.
 696         (graphite_legal_transform_dr): Handle the unknown_dependence.
 697         (graphite_carried_dependence_level_k): Same.
 698
 699 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 700
 701         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 702
 703 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 704             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 705
 706         PR middle-end/42637
 707         * graphite-dependences.c (build_lexicographical_constraint): Return
 708         a union of dependence polyhedra.
 709         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 710
 711         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 712         * gcc.dg/graphite/block-4.c: Same.
 713         * gcc.dg/graphite/block-7.c: Same.
 714         * gcc.dg/graphite/interchange-12.c: Same.
 715         * gcc.dg/graphite/interchange-mvt.c: Same.
 716         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 717         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 718         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 719
 720 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 721
 722         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 723         the execution check to FAIL.  This testcase is miscompiled by Graphite
 724         and the check should be re-enabled.
 725         * gcc.dg/graphite/interchange-mvt.c: Same.
 726         * gcc.dg/graphite/block-0.c: Same.
 727         * gcc.dg/graphite/block-4.c: Same.
 728         * gcc.dg/graphite/block-7.c: Same.
 729
 730 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 731
 732         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 733         * gcc.dg/graphite/scop-0.c: Fix spaces.
 734         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 735         * gfortran.dg/graphite/block-2.f: Same.
 736         * gfortran.dg/graphite/block-3.f90: Same.
 737         * gfortran.dg/graphite/block-4.f90: Same.
 738         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 739         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 740
 741 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 742
 743         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 744         PDDR_ORIGINAL_SCATTERING_P.
 745         (pddr_is_empty): Rewritten.
 746         (print_dependence_polyhedron_layout): New.
 747         (print_pddr): New.
 748         (debug_pddr): New.
 749         (build_alias_set_powerset): Moved up.
 750         (poly_drs_may_alias_p): Moved up.
 751         (lexicographically_gt_p): Removed.
 752         (build_lexicographically_gt_constraint): Renamed
 753         build_lexicographical_constraint, reimplemented.
 754         (dependence_polyhedron_1): Simplified parameters.
 755         (dependence_polyhedron): Same.  Keep along empty PDDRs
 756         to make efficient use of the cache.
 757         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 758         (graphite_legal_transform_dr): Rewritten.
 759         (graphite_legal_transform_bb): Pass fewer arguments to
 760         graphite_legal_transform_dr.
 761         (graphite_carried_dependence_level_k): Simplified implementation.
 762         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 763         (dot_transformed_deps_stmt_1): Same.
 764         (dot_original_deps): Same.
 765         (dot_transformed_deps): Same.
 766         * graphite-dependences.h (struct poly_ddr): Added a new field
 767         original_scattering_p.
 768         (PDDR_ORIGINAL_SCATTERING_P): New.
 769         (print_pddr): Declared.
 770         (debug_pddr): Declared.
 771         * graphite-ppl.c: Clarify comment.
 772         * sese.h (print_gimple_bb): Removed unused declaration.
 773         (debug_gbb): Same.
 774
 775 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 776
 777         * g++.dg/graphite/graphite.exp: Rewritten.
 778         * gcc.dg/graphite/graphite.exp: Rewritten.
 779         * gfortran.dg/graphite/graphite.exp: Rewritten.
 780         * gcc.dg/graphite/block-0.c: Added runtime test.
 781         * gcc.dg/graphite/block-1.c: Same.
 782         * gcc.dg/graphite/block-3.c: Same.
 783         * gcc.dg/graphite/block-4.c: Same.
 784         * gcc.dg/graphite/block-5.c: Same.
 785         * gcc.dg/graphite/block-6.c: Same.
 786         * gcc.dg/graphite/block-7.c: Same.
 787         * gcc.dg/graphite/interchange-0.c: Same.
 788         * gcc.dg/graphite/interchange-1.c: Same.
 789         * gcc.dg/graphite/interchange-10.c: Same.
 790         * gcc.dg/graphite/interchange-11.c: Same.
 791         * gcc.dg/graphite/interchange-12.c: Same.
 792         * gcc.dg/graphite/interchange-2.c: Same.
 793         * gcc.dg/graphite/interchange-3.c: Same.
 794         * gcc.dg/graphite/interchange-4.c: Same.
 795         * gcc.dg/graphite/interchange-5.c: Same.
 796         * gcc.dg/graphite/interchange-6.c: Same.
 797         * gcc.dg/graphite/interchange-7.c: Same.
 798         * gcc.dg/graphite/interchange-8.c: Same.
 799         * gcc.dg/graphite/interchange-9.c: Same.
 800         * gcc.dg/graphite/interchange-mvt.c: Same.
 801         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 802
 803 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 804
 805         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 806           background.
 807
 808 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 809
 810         * common.opt: Add -fgraphite-cloog-opts.
 811         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 812         * opts.c (decode_options): Same.
 813
 814 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 815
 816         * gcc.dg/graphite/id-17.c: New.
 817         * gcc.dg/graphite/pr41888.c: New.
 818         * gcc.dg/graphite/scop-22.c: New.
 819         * gfortran.dg/graphite/pr40982.f90: New.
 820
 821 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 822
 823         * testsuite/gcc.dg/graphite/id-17.c: New.
 824         * testsuite/gcc.dg/graphite/pr41888.c: New.
 825         * testsuite/gcc.dg/graphite/scop-22.c: New.
 826         * testsuite/gfortran.dg/graphite/pr40982.f90: New.
 827
 828 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 829
 830         * graphite-dependences.c: Clarify comments.
 831         (build_pddr): Add an extra parameter direction.
 832         (graphite_legal_transform_dr): Use build_pddr.
 833         (dot_original_deps_stmt_1): Update use of build_pddr.
 834         (dot_transformed_deps_stmt_1): Same.
 835         (dot_original_deps): Same.
 836         (dot_transformed_deps): Same.
 837
 838         * gcc.dg/graphite/interchange-12.c: New.
 839         * gcc.dg/graphite/block-7.c: New.
 840
 841 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 842
 843         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 844         (pddr_transformed_scattering): Removed.
 845         (graphite_legal_transform_dr): Use build_pddr.
 846         (dot_original_deps_stmt_1): Same.
 847         (dot_transformed_deps_stmt_1): Same.
 848         (dot_original_deps): Same.
 849         (dot_transformed_deps): Same.
 850
 851 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 852
 853         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 854         (build_lexicographically_gt_constraint): Same.
 855         (dependence_polyhedron_1): Same.
 856         (dependence_polyhedron): Same.
 857
 858 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 859
 860         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 861         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 862         (lexicographically_gt_p): Change type of direction to int.
 863         (build_lexicographically_gt_constraint): Same.
 864         (dependence_polyhedron_1): Same.
 865         (dependence_polyhedron): Same.
 866         (pddr_original_scattering): Use integers for direction.
 867         (pddr_transformed_scattering): Same.
 868         (graphite_legal_transform_dr): Same.
 869         (graphite_carried_dependence_level_k): Same.
 870
 871 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite-dependences.c (build_pairwise_constraint): Renamed
 874         ppl_build_relation.  Moved...
 875         (dr_equality_constraints): Use ppl_build_relation.
 876         (build_pairwise_scheduling_equality): Same.
 877         (build_pairwise_scheduling_inequality): Same.
 878         * graphite-ppl.c (ppl_build_relation): ...here.
 879         * graphite-ppl.h (ppl_build_relation): Declared.
 880
 881 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         PR middle-end/42681
 884         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 885         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 886         Set gloog_error when such an expression failed to be built.
 887         (translate_clast): Early return when gloog_error is set.
 888         (gloog): Clear gloog_error.  When gloog_error is set, call
 889         set_ifsese_condition to enable the original code.  Return the status
 890         of the code generation based on gloog_error.
 891         * sese.c (set_ifsese_condition): New.
 892         * sese.h (set_ifsese_condition): Declared.
 893
 894         * g++.dg/graphite/pr42681.C: New.
 895
 896 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 897
 898         PR middle-end/42681
 899         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 900         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 901         Set gloog_error when such an expression failed to be built.
 902         (translate_clast): Early return when gloog_error is set.
 903         (gloog): Clear gloog_error.  When gloog_error is set, call
 904         set_ifsese_condition to enable the original code.  Return the status
 905         of the code generation based on gloog_error.
 906         * sese.c (set_ifsese_condition): New.
 907         * sese.h (set_ifsese_condition): Declared.
 908
 909         * testsuite/g++.dg/graphite/pr42681.C: New.
 910
 911 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         PR middle-end/42732
 914         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 915         rename_nb_iterations.
 916         * sese.c (rename_variables_in_operand): New.
 917         (rename_variables_in_expr): New.
 918         (rename_nb_iterations): New.
 919         (sese_adjust_liveout_phis): Update the rename_map.
 920         * sese.h (rename_nb_iterations): Declared.
 921         * tree-scalar-evolution.c (scev_reset_htab): New.
 922         (scev_reset): Call scev_reset_htab.
 923         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 924
 925         * gfortran.dg/graphite/pr42732.f: New.
 926
 927 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         PR middle-end/42393
 930         * graphite-clast-to-gimple.c: Fix formatting.
 931         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 932         (expr_defined_in_loop_p): New.
 933         (add_loop_exit_phis): Also handle full expressions: remove from
 934         the rename_map the expressions defined in the loop that we're closing.
 935
 936         * gfortran.dg/graphite/pr42393-1.f90: New.
 937         * gfortran.dg/graphite/pr42393.f90: Add new flags
 938         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 939         make this testcase useful in the Graphite branch.
 940
 941 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 942
 943         PR middle-end/42393
 944         * graphite-clast-to-gimple.c: Fix formatting.
 945         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 946         (expr_defined_in_loop_p): New.
 947         (add_loop_exit_phis): Also handle full expressions: remove from
 948         the rename_map the expressions defined in the loop that we're closing.
 949
 950         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
 951         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
 952         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 953         make this testcase useful in the Graphite branch.
 954
 955 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 956
 957         * graphite-scop-detection.c (exclude_component_ref): Removed.
 958         (is_simple_operand): Removed.
 959         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 960
 961 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         PR middle-end/42221
 964         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 965         the array indexing of ADDR_EXPRs.
 966
 967         * gcc.dg/graphite/pr42221.c: New.
 968
 969 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 970
 971         PR middle-end/42221
 972         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 973         the array indexing of ADDR_EXPRs.
 974
 975         * testsuite/gcc.dg/graphite/pr42221.c: New.
 976
 977 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 978
 979         PR middle-end/42521
 980         * graphite.c (graphite_finalize): Call scev_reset.
 981         (graphite_transform_loops): Do not call scev_reset between the code
 982         generation of scops.
 983
 984         * gcc.dg/graphite/pr42521.c: New.
 985
 986 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 987
 988         * graphite-interchange.c (memory_stride_in_loop): Renamed
 989         pdr_stride_in_loop.
 990         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 991         (memory_strides_in_loop): Memoize the memory strides per loop.
 992         (lst_interchange_profitable_p): Do not initialize to zero the memory
 993         strides.
 994         * graphite-poly.h (struct lst): Add a field memory_strides.
 995         (LST_LOOP_MEMORY_STRIDES): New.
 996         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 997         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 998
 999 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1000
1001         * graphite-interchange.c (memory_stride_in_loop): Renamed
1002         pdr_stride_in_loop.
1003         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1004         (memory_strides_in_loop): Memoize the memory strides per loop.
1005         (lst_interchange_profitable_p): Do not initialize to zero the memory
1006         strides.
1007         * graphite-poly.h (struct lst): Add a field memory_strides.
1008         (LST_LOOP_MEMORY_STRIDES): New.
1009         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1010         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1011
1012 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1015         memory_strides_in_loop.  Gather memory strides on a whole loop.
1016         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1017         (lst_interchange_profitable_p): Removed.
1018         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1019
1020 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1021
1022         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1023         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1024         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1025         Remove context_loop and level.
1026
1027 2010-01-07  Richard Guenther  <rguenther@suse.de>
1028
1029         PR tree-optimization/42641
1030         * sese.c (rename_map_elt_info): Use the SSA name version, do
1031         not hash pointers.
1032
1033 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1034
1035         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1036         blocked" only when both the strip mine and the interchange have
1037         been applied.
1038
1039         * gcc.dg/graphite/block-2.c: Removed.
1040         * gcc.dg/graphite/block-3.c: Add scan pattern.
1041         * gcc.dg/graphite/block-4.c: Same.
1042         * gcc.dg/graphite/block-5.c: Same.
1043         * gcc.dg/graphite/block-6.c: Same.
1044
1045 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1048         before allocating a new one.
1049         (copy_renames): Check that slot is not NULL.
1050         (mark_bb_with_pbb): Same.
1051         (compute_cloog_iv_types_1): Same.
1052         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1053         nest, and after LSTs.
1054         (lst_try_interchange_loops): Same.
1055
1056 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         PR middle-end/42178
1059         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1060         the before, nest, and after LSTs.
1061         (lst_try_interchange): Removed.
1062         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1063         were modified.
1064         (lst_interchange_select_outer): Apply interchange on the outer loop
1065         until there are no more changes in the inner loops.
1066
1067 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1068
1069         Revert patch fixing PR middle-end/42221.
1070
1071 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         PR middle-end/42180
1074         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1075         GIMPLE_CALL.
1076
1077         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1078
1079 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1080
1081         PR middle-end/42180
1082         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1083         that contain only one statement.
1084
1085         * gfortran.dg/graphite/pr42180.f90: New.
1086
1087 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1088
1089         PR middle-end/42393
1090         * gfortran.dg/graphite/pr42393.f90: New.
1091
1092 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1093
1094         PR middle-end/42186
1095         * gfortran.dg/graphite/pr42186.f90: New.
1096
1097 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         PR middle-end/42186
1100         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
1101
1102 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         PR middle-end/42205
1105         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1106         Insert the reduction copy in the same block as the phi node.
1107         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1108
1109         * gcc.dg/graphite/pr42205-1.c: New.
1110         * gcc.dg/graphite/pr42205-2.c: New.
1111
1112 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1113
1114         PR middle-end/42221
1115         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1116         the array indexing of ADDR_EXPRs.
1117
1118         * gcc.dg/graphite/pr42221.c: New.
1119
1120 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1121
1122         PR middle-end/42178
1123         PR middle-end/42334
1124         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1125         index.  Call lst_interchange_select_inner only once.
1126         (lst_interchange_select_inner): Update use of lst_try_interchange.
1127         (lst_interchange_select_outer): Update.
1128
1129 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1130
1131         PR middle-end/42178
1132         PR middle-end/42334
1133         * graphite-interchange.c (lst_try_interchange): Do not increment the
1134         the OUTER index when there is no AFTER kernel.  Do not increment the
1135         OUTER index for after processing the AFTER kernel.
1136         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1137         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1138         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1139         (scop_do_interchange): Update use of lst_interchange_select_outer.
1140
1141         * gfortran.dg/graphite/graphite.exp
1142         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1143         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1144         the graphite dump file.
1145         * gfortran.dg/graphite/interchange-2.f: Same.
1146         * gfortran.dg/graphite/pr42334-1.f: New.
1147
1148 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1149
1150         PR middle-end/42178
1151         PR middle-end/42334
1152         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1153         that are empty.
1154         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1155         (lst_try_interchange): Reimplemented.
1156         (lst_interchange_select_inner): Same.
1157         (lst_do_interchange): Renamed lst_interchange_select_outer.
1158         Reimplemented.
1159         (scop_do_interchange): Update use of lst_interchange_select_outer.
1160
1161         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1162         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1163         * gcc.dg/graphite/pr42211.c: New.
1164         * gfortran.dg/graphite/pr42334.f90: New.
1165
1166 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         PR middle-end/42181
1169         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1170         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1171
1172         * gfortran.dg/graphite/pr42181.f90: New.
1173
1174 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1175
1176         PR middle-end/42284
1177         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1178         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1179         (detect_commutative_reduction_arg): Simplified.
1180         (detect_commutative_reduction): Early return when the argument of
1181         the close phi is not of an SSA_NAME.
1182
1183         * gcc.dg/graphite/pr42284.c: New.
1184
1185 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1186
1187         * dbgcnt.def (graphite_scop): New counter.
1188         * graphite.c: Include dbgcnt.h
1189         (graphite_transform_loops): Use new counter to limit transformations.
1190
1191 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1192
1193         PR middle-end/42285
1194         * graphite-scop-detection.c (graphite_can_represent_init): Also
1195         handle more complex MULT_EXPRs containing parameters by recursion
1196         on the structure.
1197
1198         * gfortran.dg/graphite/pr42285.f90: New.
1199
1200 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1201
1202         * g++.dg/graphite/pr42130.C: Fix type.
1203
1204 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1205
1206         * g++.dg/graphite/pr42130.C: Correct testcase.
1207
1208 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1209
1210         * Merge from mainline (154493:154734).
1211
1212 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1213
1214         * Merge from mainline (151362:154491).
1215
1216 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1217
1218         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1219         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1220
1221 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1222
1223         PR middle-end/42130
1224         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1225         translate_clast_for_loop): New.
1226         (translate_clast_for): Add a condition around the loop, to do not
1227         execute loops with zero iterations.
1228         * g++.dg/graphite/pr42130.C: New.
1229         * gcc.dg/graphite/pr35356-2.c: Adapt.
1230
1231 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1232
1233         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1234         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1235         Remove context_loop and level.
1236
1237 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1238
1239         * graphite-clast-to-gimple.c (translate_clast_user,
1240         translate_clast_for, translate_clast_guard): Simplify and move common
1241         elements to translate_clast().
1242         (translate_clast): Simplify and get common elements.
1243
1244 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1245
1246         * graphite-clast-to-gimple.c (translate_clast_user,
1247         translate_clast_for, translate_clast_guard): Split out of
1248         translate_clast.
1249
1250 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1251
1252         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1253         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1254         debug_clast_name_indexes_1, debug_clast_name_indexes,
1255         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1256         (clast_name_to_gcc, clast_to_gcc_expression,
1257         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1258         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1259         graphite_create_guard_cond_expr, graphite_create_new_loop,
1260         translate_clast): Add params_index.
1261         (initialize_cloog_names): Create parameter strings from scratch, do
1262         not reference other strings.
1263         (create_params_index): New.
1264         (gloog): Initialize params_index.
1265         * graphite-scop-detection (free_scops_1): Removed.
1266         (limit_scops): Use normal free_scops.
1267         * graphite-sese-to-poly.c (save_var_names): Removed.
1268         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1269         and SESE_PARAMS_INDEX.
1270         * sese.c (new_sese, free_sese): Dito.
1271         * sese.h (struct sese): Remove params_index, params_names.
1272         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1273
1274 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         Revert the following patch from 2009-09-14:
1277         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1278         tree-scalar-evolution.h, and then tree-data-ref.h.
1279         * graphite-clast-to-gimple.c: Same.
1280         * graphite-dependences.c: Same.
1281         * graphite-interchange.c: Same.
1282         * graphite-poly.c: Same.
1283         * graphite-scop-detection.c: Same.
1284         * graphite-sese-to-poly.c: Same.
1285         * graphite.c: Same.
1286         * lambda-code.c: Same.
1287         * matrix-reorg.c: Same.
1288         * tree-data-ref.c: Same.
1289         * tree-if-conv.c: Same.
1290         * tree-loop-distribu: Same.: Same.
1291         * tree-loop-linear.c: Same.
1292         * tree-parloops.c: Same.
1293         * tree-predcom.c: Same.
1294         * tree-vect-patterns.c: Same.
1295
1296 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         Revert patch from 2009-09-14.
1299         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1300         passes at -O1 and below.
1301
1302 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         PR middle-end/40281
1305         * gcc.dg/graphite/pr40281.c: New.
1306
1307         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1308         evolutions should not variate in inner loops.
1309
1310 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         PR middle-end/42050
1313         * gfortran.dg/graphite/pr42050.f90: New.
1314
1315 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1318         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1319
1320 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-blocking.c (scop_do_block): New.
1323         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1324         * graphite-poly.h (scop_do_block): Declared.
1325
1326 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1327
1328         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1329         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1330         to transform depth into the time_depth before calling
1331         pbb_number_of_iterations_at_time.
1332         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1333         lst_depth.
1334
1335 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1336
1337         Reverted the patch for "scattering permutations" from 2009-10-28.
1338
1339         * graphite-poly.c (print_permutation): New.
1340         (debug_permutation): New.
1341         (new_poly_bb): Initialize PBB_PERMUTATION.
1342         (free_poly_bb): Free PBB_PERMUTATION.
1343         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1344         (struct pbb_permutation_elt): New.
1345         (PBB_PERMUTATION_ELT_STRIDE): New.
1346         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1347         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1348         (new_pbb_permutation_elt): New.
1349         (pbb_permutation_elt_free): New.
1350         (struct poly_bb): Add field permutation.
1351         (PBB_PERMUTATION): New.
1352         (print_permutation): Declared.
1353         (debug_permutation): Declared.
1354
1355 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1356
1357         * graphite-interchange.c (build_partial_difference): New.
1358         (memory_stride_in_loop): Refactored the computation of
1359         equality constraints into build_partial_difference function.
1360         Added support for debugging stride computations.
1361
1362 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1363
1364         * graphite-clast-to-gimple.c (gloog): Free if_region,
1365         if_region->true_region, and if_region->region.
1366         * sese.c (if_region_set_false_region): Free if_region->false_region.
1367         (create_if_region_on_edge): Do not use GGC_NEW.
1368         (move_sese_in_condition): Remove useless initialization.
1369
1370 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1371
1372         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1373         for the loops created by the loop distribution.  Do not modify the
1374         input LSTs.
1375         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1376         transformed schedule.  Call lst_update_scattering before data
1377         dependence analysis.
1378         (lst_try_interchange): Pass an extra parameter INDEX.
1379         (lst_do_interchange_1): New.
1380         (lst_do_interchange): Call lst_do_interchange_1.
1381         (scop_do_interchange): Call lst_update_scattering.
1382         * graphite-poly.c (apply_poly_transforms): Do not call
1383         lst_update_scattering.
1384         * graphite-poly.h (lst_pred): New.
1385         (lst_succ): New.
1386         (lst_find_first_pbb): Return NULL when not found.
1387         (lst_empty_p): New.
1388         (lst_insert_in_sequence): Allow LST1 to be NULL.
1389         (lst_replace): New.
1390         (lst_substitute_3): New.
1391         * gcc.dg/graphite/interchange-1.c: XFail.
1392         * gcc.dg/graphite/interchange-8.c: XFail.
1393         * gcc.dg/graphite/interchange-11.c: XFail.
1394
1395 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * graphite-interchange.c (lst_perfectly_nested_p): New.
1398         (lst_perfect_nestify): New.
1399         (lst_try_interchange_loops): Call store_lst_schedule,
1400         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1401         (scop_do_interchange): Avoid redundant legality test.
1402         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1403         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1404         * graphite-poly.h (psct_static_dim): New.
1405         (lst_dewey_number_at_depth): New.
1406         (lst_find_pbb): Restructured.
1407         (lst_find_first_pbb): Restructured.
1408         (lst_find_last_pbb): New.
1409         (lst_contains_p): New.
1410         (lst_contains_pbb): New.
1411         (lst_create_nest): New.
1412         (lst_remove_from_sequence): New.
1413         (pbb_update_scattering): New.
1414         (lst_update_scattering_under): New.
1415         (lst_update_scattering_seq): New.
1416         (lst_update_scattering): New.
1417         (lst_insert_in_sequence): New.
1418         (lst_distribute_lst): New.
1419         (lst_remove_all_before_including_pbb): New.
1420         (lst_remove_all_before_excluding_pbb): New.
1421
1422 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1425         get_loop_exit_edges.
1426
1427 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1428
1429         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1430
1431 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1432
1433         * graphite-poly.c (print_permutation): New.
1434         (debug_permutation): New.
1435         (new_poly_bb): Initialize PBB_PERMUTATION.
1436         (free_poly_bb): Free PBB_PERMUTATION.
1437         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1438         (struct pbb_permutation_elt): New.
1439         (PBB_PERMUTATION_ELT_STRIDE): New.
1440         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1441         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1442         (new_pbb_permutation_elt): New.
1443         (pbb_permutation_elt_free): New.
1444         (struct poly_bb): Add field permutation.
1445         (PBB_PERMUTATION): New.
1446         (print_permutation): Declared.
1447         (debug_permutation): Declared.
1448
1449 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * graphite-clast-to-gimple.c (gloog): Do not call
1452         sese_reset_aux_in_loops.
1453         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1454         extra argument for domains.  Do not use loop->aux.
1455         (build_scop_iteration_domain): Initialize and free domains, pass it
1456         to build_loop_iteration_domains and extract the information from
1457         domains.  Do not use loop->aux.
1458         * sese.c (sese_reset_aux_in_loops): Removed.
1459         * sese.h (sese_reset_aux_in_loops): Removed.
1460
1461 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1462
1463         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1464         (dependency_in_loop_p): Same.
1465         (translate_clast): Do not use loop->aux.  Initialize
1466         loop->can_be_parallel.
1467         (mark_loops_parallel): Removed.
1468         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1469         * graphite.c (free_aux_in_new_loops): Removed.
1470         (graphite_finalize): Do not call free_aux_in_new_loops.
1471         (graphite_transform_loops): Do not call mark_loops_parallel.
1472
1473 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1474
1475         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1476         (translate_clast): Pass an extra parameter LEVEL.
1477         Call get_scattering_level.
1478         * graphite-clast-to-gimple.h (get_scattering_level): New.
1479
1480 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1483         * cfgloop.h (struct loop): New field single_iv.
1484
1485         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1486         loop->aux anymore: use loop->single_iv.
1487         (graphite_loop_normal_form): Moved...
1488         (build_graphite_loop_normal_form): Removed.
1489         (gloog): Do not call build_graphite_loop_normal_form.
1490         (free_aux_in_new_loops): Moved...
1491         (mark_loops_parallel): Restructure.
1492         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1493         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1494         (scop_canonicalize_loops): New.
1495         (build_poly_scop): Call scop_canonicalize_loops.
1496         * graphite.c (free_aux_in_new_loops): ...here.
1497
1498 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1499
1500         * g++.dg/graphite/graphite.exp: Add the same rules as in
1501         gcc.dg/graphite/graphite.exp.
1502
1503 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1504
1505         * g++.dg/graphite/id-1.C: New.
1506
1507 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1508
1509         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1510         argument base_name.
1511         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1512         (rewrite_phi_out_of_ssa): Same.
1513         (rewrite_cross_bb_scalar_deps): Same.
1514         (translate_scalar_reduction_to_array): Same.
1515
1516 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1517
1518         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1519         dump_alias_graphs.
1520
1521 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1522
1523         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1524         (build_scop_drs): Call dump_alias_graphs.
1525
1526 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1527
1528         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1529         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1530         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1531         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1532         * graphite-poly.h (free_lst): New.
1533         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1534         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1535
1536 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * graphite-poly.h (struct scop): Add a field saved_schedule.
1539         (SCOP_SAVED_SCHEDULE): New.
1540         (store_lst_schedule): New.
1541         (restore_lst_schedule): New.
1542         (store_scattering): Call store_lst_schedule.
1543         (restore_scattering): Call restore_lst_schedule.
1544
1545 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1548         (pdr_add_alias_set): Same.
1549         (build_poly_dr): Same.
1550         (build_alias_set_optimal_p): Same.
1551         (build_base_obj_set_for_drs): Same.  Do not store the result of
1552         graphds_dfs.
1553
1554 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1555
1556         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1557         all_components_are_cliques to 1.
1558
1559 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1560
1561         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1562         the new structure.
1563         (pdr_add_alias_set): Update retrieving alias_set_num.
1564         (build_poly_dr): Update retrieving dr_base_object_set.
1565         (partition_drs_to_sets): Remove.
1566         (build_alias_set_optimal_p): New.
1567         (build_alias_set_for_drs): Rename.
1568         (build_scop_drs): Update.
1569         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1570         (ALIAS_SET_INDEX): Remove.
1571         (BASE_OBJECT_SET_INDEX): Remove.
1572
1573 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1574
1575         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1576
1577 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1580         loop upper bounds for 1-element arrays at end of structures.
1581         * tree-flow.h (array_at_struct_end_p): Declared.
1582         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1583
1584 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         * g++.dg/graphite/pr41305.C: New.
1587
1588 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1589
1590         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1591         construction of parameter constraints from loop iteration analysis.
1592         * gcc.dg/graphite/run-id-2.c: New test.
1593
1594 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1597         and new_cstr.
1598
1599 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite-dependences.c (dependence_polyhedron_1): Remove
1602         unused gdim dimensions from the DDR polyhedron.
1603
1604 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * graphite-dependences.c (pddr_transformed_scattering): New.
1607         (dot_original_deps_stmt_1): New.
1608         (dot_transformed_deps_stmt_1): New.
1609         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1610         dot_transformed_deps_stmt_1.
1611         (dot_original_deps): New.
1612         (dot_transformed_deps): New.
1613         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1614
1615 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1616
1617         * graphite-dependences.c (reduction_dr_1): Remove wrong
1618         assert: reduction BBs can have multiple reduction writes
1619         to memory.  interchange-3.f90 is an example.
1620
1621 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1622
1623         * gfortran.dg/graphite/interchange-3.f90: New.
1624
1625 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1628
1629 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * graphite-dependences.c (dependence_polyhedron_1): Add the
1632         context to the dependence polyhedron.
1633
1634 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1635
1636         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1637         PBB_PDR_DUPLICATES_REMOVED.
1638         (new_poly_bb): Same.
1639
1640 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1641
1642         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1643         SCOP_CONTEXT.
1644         (build_loop_iteration_domains): Extract bounds on parameters
1645         based on the data size.
1646         (build_scop_context): Do not initialize SCOP_CONTEXT;
1647         add new constraints.
1648
1649 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1652         * graphite-ppl.h (graphite-ppl.h): Declared.
1653
1654 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-ppl.c (ppl_print_linear_expr): New.
1657         (debug_ppl_linear_expr): New.
1658         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1659         (debug_ppl_linear_expr): Declared.
1660
1661 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1662
1663         * graphite-interchange.c: Fix comments.
1664         * gcc.dg/graphite/block-1.c: Fix comments.
1665
1666 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1669         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1670
1671 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         Reapply the patch from Alexander Monakov that disappeared during
1674         the last merges from trunk.
1675
1676         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1677
1678         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1679         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1680
1681 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1682
1683         * graphite-interchange.c (memory_stride_in_loop): The depth
1684         argument corresponds to a dynamic time dimension, so use
1685         psct_dynamic_dim to refer to the transformed scattering dimension.
1686
1687 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1688
1689         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1690
1691 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1694         root of the LST.
1695         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1696         the root of the LST.
1697         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1698         fake loop.
1699         (print_lst): Print the root of LST in a different format.
1700         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1701
1702 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1703
1704         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1705
1706 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1707
1708         * doc/passes.texi: Document the Graphite infrastructure.
1709
1710 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1713         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1714         and check the SSA representation.
1715
1716         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1717
1718 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1719
1720         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1721
1722 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1723
1724         * gcc.dg/graphite/interchange-11.c: New.
1725
1726 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1729
1730 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1731
1732         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1733         Add -fno-loop-strip-mine and -fno-loop-interchange.
1734         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1735         -fno-loop-strip-mine.
1736         * gfortran.dg/graphite/graphite.exp: Same.
1737
1738 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1741         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1742         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1743         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1744         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1745         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1746         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1747         DEFAULT_FLAGS_GRAPHITE_SCOP.
1748         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1749         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1750
1751 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1754
1755 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1756             Sebastian Pop  <sebastian.pop@amd.com>
1757
1758         * graphite-interchange.c (build_linearized_memory_access): Pass an
1759         offset as parameter.
1760         (memory_stride_in_loop): Include transform scattering in the
1761         access functions to be able to querry the strides in the
1762         transformed loops.
1763         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1764         not the psct_iterator_dim.
1765
1766 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1769         (lst_do_strip_mine_loop): New.
1770         (lst_do_strip_mine): New.
1771         (scop_do_strip_mine): Call lst_do_strip_mine.
1772         * graphite-poly.h (lst_add_loop_under_loop): New.
1773         (lst_find_first_pbb): New.
1774
1775 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1776
1777         * graphite-poly.c (loop_to_lst): Fix LST creation.
1778
1779 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1780
1781         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1782         sizeof(unsigned long) to make it run on 32bit systems.
1783
1784 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1785
1786         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1787         SEGFAULT on 32bit.
1788
1789 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1790
1791         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1792         Comment.
1793         (write_alias_graph_to_ascii_dot): New.
1794         (write_alias_graph_to_ascii_ecc): Ditto.
1795         (partition_drs_to_sets): Add testing of optimality of current method
1796         which assigns alias numbers according to DFS Comopnent number.  used
1797         as heuristic for the upcoming ECC algorithm.
1798         (build_scop_drs): Write to file also with the ecc and dot format.
1799
1800 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1801
1802         * gfortran.dg/graphite/interchange-1.f: XFail.
1803
1804 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1805
1806         * graphite.c (graphite_initialize): Do not handle functions with
1807         more than 100 basic blocks.
1808
1809 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1810
1811         * graphite-blocking.c (pbb_do_strip_mine): Use
1812         PARAM_LOOP_BLOCK_TILE_SIZE.
1813
1814 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1815
1816         * graphite-poly.c (dot_lst_1): New.
1817         (dot_lst): New.
1818         * graphite-poly.h (dot_lst): Declared.
1819
1820 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * graphite-dependences.c (dot_deps_stmt_1): New.
1823         (dot_deps_stmt): New.
1824         * graphite-dependences.h (dot_deps_stmt): Declared.
1825
1826 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1829         not replace cross BB scalar dependences ending on PHI nodes.
1830         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1831
1832 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1833
1834         * graphite-poly.c (apply_poly_transforms): Implement the high
1835         level driver for flag_loop_block.
1836         * opts.c (decode_options): Enable flag_loop_block at -O2.
1837         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1838         flag_loop_block.
1839
1840         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1841         -floop-block.
1842         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1843         Add -floop-block.
1844
1845 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1846
1847         * graphite-poly.h (lst_find_pbb): New.
1848         (find_lst_loop): New.
1849
1850 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1853         * graphite-poly.h (struct scop): Remove dep_graph field.
1854         (SCOP_DEP_GRAPH): Removed.
1855
1856 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * graphite-poly.h (copy_lst): Do full copy of LST.
1859
1860 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1863         when the loop stride is zero.
1864
1865         * gcc.dg/graphite/id-16.c: New.
1866
1867 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1868
1869         * graphite-dependences.c (reduction_dr_1): New.
1870         (reduction_dr_p): New.
1871         (graphite_legal_transform_dr): Call reduction_dr_p.
1872         (reduction_ddr): Renamed reduction_ddr_p.
1873         * graphite-poly.h (same_pdr_p): New.
1874         (number_of_write_pdrs): New.
1875         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1876         (split_reduction_stmt): Do not split reduction statements
1877         when there are no writes to memory.
1878         (translate_scalar_reduction_to_array_for_stmt): Insert the
1879         memory reduction statement just after the scalar reduction statement.
1880
1881         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1882         Un-XFAIL-ed.
1883         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1884         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1885
1886 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1887
1888         * graphite-interchange.c (lst_apply_interchange): New.
1889         (lst_interchange_profitable_p): New.
1890         (lst_try_interchange_loops): New.
1891         (lst_try_interchange): New.
1892         (lst_do_interchange): New.
1893         (pbb_do_interchange): Removed.
1894         (scop_do_interchange): Call lst_do_interchange.
1895
1896 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1899         SCOP_TRANSFORMED_SCHEDULE.
1900         (loop_to_lst): New.
1901         (scop_to_lst): New.
1902         (print_lst): New.
1903         (debug_lst): New.
1904         * graphite-poly.h (lst_p): New.
1905         (struct lst): New.
1906         (LST_LOOP_P): New.
1907         (LST_LOOP_FATHER): New.
1908         (LST_PBB): New.
1909         (LST_SEQ): New.
1910         (scop_to_lst): Declared.
1911         (print_lst): Declared.
1912         (debug_lst): Declared.
1913         (new_lst_loop): New.
1914         (new_lst_stmt): New.
1915         (copy_lst): New.
1916         (lst_depth): New.
1917         (lst_dewey_number): New.
1918         (struct scop): Add original_schedule and transformed_schedule fields.
1919         (SCOP_ORIGINAL_SCHEDULE): New.
1920         (SCOP_TRANSFORMED_SCHEDULE): New.
1921         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1922
1923 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1924
1925         * graphite-dependences.c (reduction_ddr): New.
1926         (graphite_legal_transform_bb): Call reduction_ddr.
1927         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1928         Initialize PBB_IS_REDUCTION.
1929         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1930         (PBB_IS_REDUCTION): New.
1931         (new_poly_bb): Update declaration.
1932         * graphite-scop-detection.h (build_scop_bbs): Removed.
1933         (nb_reductions_in_loop): Removed.
1934         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1935         parameter for reductions.
1936         (try_generate_gimple_bb): Update call to new_poly_bb.
1937         (build_scop_bbs_1): Same.
1938         (build_scop_bbs): Same.
1939         (gsi_for_phi_node): New.
1940         (scalar_close_phi_node_p): Remove gcc_assert.
1941         (split_reduction_stmt): New.
1942         (is_reduction_operation_p): New.
1943         (phi_contains_arg): New.
1944         (follow_ssa_with_commutative_ops): New.
1945         (detect_commutative_reduction_arg): New.
1946         (detect_commutative_reduction_assign): New.
1947         (follow_inital_value_to_phi): New.
1948         (edge_initial_value_for_loop_phi): New.
1949         (initial_value_for_loop_phi): New.
1950         (detect_commutative_reduction): New.
1951         (translate_scalar_reduction_to_array_for_stmt): New.
1952         (insert_copyout): New.
1953         (insert_copyin): New.
1954         (translate_scalar_reduction_to_array): New.
1955         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1956         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1957         (rewrite_commutative_reductions_out_of_ssa): New.
1958         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1959         * sese.h (split_region_for_bb): New.
1960
1961         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1962         * gcc.dg/graphite/interchange-1.c: Fix format.
1963         * gcc.dg/graphite/interchange-10.c: New.
1964
1965 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1966
1967         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1968         buggy assert.
1969
1970 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1973         (rewrite_cross_bb_scalar_dependence): New.
1974         (rewrite_cross_bb_scalar_deps): New.
1975         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1976         Call rewrite_cross_bb_scalar_deps.
1977
1978 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1981         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1982         gsi_for_stmt.
1983
1984 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1985
1986         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1987         * graphite-interchange.c (pbb_do_interchange): Same.
1988         * graphite-poly.c (print_scattering_function): Same.
1989         (debug_pdrs): Same.
1990         * graphite-poly.h (pbb_loop): New.
1991         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1992
1993 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1994
1995         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1996
1997 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2000         so don't pass a pointer to it.
2001         (build_alias_set_for_drs): Same.
2002         (build_base_obj_set_for_drs): Same.
2003         (build_scop_drs): Same.
2004
2005 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2006
2007         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2008         the alias graph of data references.
2009
2010 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2011
2012         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2013         (build_scop_drs): When debugging, write the alias graph to file,
2014         otherwise, should be disabled.
2015
2016 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * Merge from mainline (151310:151361).
2019
2020 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2021
2022         * Merge from mainline (151171:151310).
2023
2024 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2025
2026         * Merge from mainline (151171:151806).
2027
2028 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         * Revert the last commit.
2031
2032 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         * Merge from mainline (151171:151819).
2035
2036 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2039         (is_simple_operand): Remove call to stmt_simple_memref_p.
2040         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2041
2042 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2043
2044         * gcc.dg/graphite/interchange-mvt.c: New File.
2045         * gcc.dg/graphite/scop-dsyrk.c: New File.
2046         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2047         * gcc.dg/graphite/scop-mvt.c: New File.
2048         * gcc.dg/graphite/scop-sor.c: New File.
2049
2050 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2051
2052         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2053         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2054         (graphite_carried_dependence_level_k): Ditto.
2055         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2056         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2057         (new_poly_dr): Adjust declaration.
2058         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2059         (free_gimple_bb): Added free_data_refs_aux.
2060         (build_poly_dr): Add dr_base_object_set.
2061         (partition_drs_to_sets): New.
2062         (dr_same_base_object_p): New.
2063         (build_alias_set_for_drs): New.
2064         (build_base_object_set_for_drs): New.
2065         (build_scop_drs): Add build_base_obj_set_for_drs.
2066         * graphite-sese-to-poly.h: Added #define for alias set number index and
2067         base object set index.
2068         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2069         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2070
2071 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2072
2073         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2074         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2075
2076 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * graphite-sese-to-poly.c (struct irp_data): Removed.
2079         (idx_record_params): Removed.
2080         (find_params_in_bb): Scan for parameters the access functions; don't
2081         parse the tree representation.
2082
2083 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2084
2085         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2086         passes at -O1 and below.
2087
2088 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2089
2090         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2091         tree-scalar-evolution.h, and then tree-data-ref.h.
2092         * graphite-clast-to-gimple.c: Same.
2093         * graphite-dependences.c: Same.
2094         * graphite-interchange.c: Same.
2095         * graphite-poly.c: Same.
2096         * graphite-scop-detection.c: Same.
2097         * graphite-sese-to-poly.c: Same.
2098         * graphite.c: Same.
2099         * lambda-code.c: Same.
2100         * matrix-reorg.c: Same.
2101         * tree-data-ref.c: Same.
2102         * tree-if-conv.c: Same.
2103         * tree-loop-distribu: Same.: Same.
2104         * tree-loop-linear.c: Same.
2105         * tree-parloops.c: Same.
2106         * tree-predcom.c: Same.
2107         * tree-vect-patterns.c: Same.
2108
2109 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         Partially revert the previous patch, except the following.
2112         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2113         as parameters the operands of the not expression.
2114
2115 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2118         Do not call analyze_scalar_evolution on assignments.
2119         (instantiate_scev_phi): Call analyze_scalar_evolution.
2120         (instantiate_scev_name): Call instantiate_scev_assign and
2121         instantiate_scev_phi.
2122         (instantiate_scev_not): Adapted to pass as parameters the operands
2123         of the not expression.
2124
2125 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2126
2127         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2128         to pass as parameters the operands of the binary expression.
2129
2130 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2131
2132         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2133         instantiate_scev_not.  Handle NEGATE_EXPR.
2134         (instantiate_scev_r): Handle NEGATE_EXPR.
2135
2136 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2137
2138         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2139         instantiate_scev_r.
2140         (instantiate_scev_r): Move code in instantiate_scev_2
2141         and instantiate_scev_1.
2142
2143 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         * tree-scalar-evolution.c (instantiate_scev_3): New.
2146         (instantiate_scev_1): Move code in instantiate_scev_3.
2147
2148 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2151         (instantiate_scev_1): Move code in instantiate_scev_poly.
2152
2153 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2154
2155         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2156         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2157
2158 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2161         (instantiate_scev_1): Move code in instantiate_scev_convert.
2162
2163 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2164
2165         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2166         (instantiate_scev_1): Move code in instantiate_scev_binary.
2167
2168 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         * tree-scalar-evolution.c (instantiate_scev_name): New.
2171         (instantiate_scev_1): Move code in instantiate_scev_name.
2172
2173 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * Merge from mainline (150992:151171).
2176
2177 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2178
2179         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2180
2181 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2182
2183         * graphite-dependences.c (graphite_legal_transform_bb): Call
2184         pbb_remove_duplicate_pdrs.
2185         * graphite-poly.c (can_collapse_pdr): Removed.
2186         (pdr_find_duplicate): Removed.
2187         (can_collapse_pdrs): New.
2188         (pbb_remove_duplicate_pdrs): New.
2189         (new_poly_dr): Do not look for duplicates.
2190         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2191         (PBB_PDR_DUPLICATES_REMOVED): New.
2192         (pbb_remove_duplicate_pdrs): Declared.
2193
2194 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2197         the strides by multiplying by PDR_NB_REFS.
2198         * graphite-poly.c (can_collapse_pdr): New.
2199         (pdr_find_duplicate): New.
2200         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2201         Initialize PDR_NB_REFS.
2202         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2203         (PDR_NB_REFS): New.
2204         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2205
2206 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2207
2208         Revert one of the previous commits:
2209         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2210         the computation of symmetric data dependence relations.
2211         (dependency_between_pbbs_p): Same.
2212
2213 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         PR middle-end/40965
2216         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2217         any transform.
2218
2219 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * graphite-dependences.c (pddr_original_scattering): Return NULL
2222         for read-read dependence relations.
2223         * graphite-poly.h (enum poly_dr_type): Fix comment.
2224         (pdr_read_p): New.
2225         (pdr_write_p): New.
2226         (pdr_may_write_p): New.
2227
2228 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2229
2230         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2231         (struct poly_dr): Same.
2232         (new_poly_dr): Same.
2233         * graphite-poly.c (new_poly_dr): Same.
2234
2235 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2236             Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2239         pbb_strip_mine_time_depth.  Changed the implementation so that
2240         transformation is expressed as a transformation on
2241         time (scatttering) dimensions.  Also, ensures that the 2d+1
2242         scheduling format is preserved.
2243         (pbb_strip_mine_profitable_p): Profitability is based on the
2244         iteration number of a given time (scattering) dimension,
2245         and not on a original loop depth dimension.
2246         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2247         (pbb_do_strip_mine): Call psct_dynamic_dim.
2248         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2249         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2250         (pbb_nb_dynamic_scattering_transform): New.
2251         (psct_dynamic_dim): New.
2252
2253 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2254
2255         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2256         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2257         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2258         * graphite-interchange.c (build_linearized_memory_access): Same.
2259         (memory_stride_in_loop): Same.
2260
2261 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * graphite-dependences.c (pddr_original_scattering): New.
2264         (graphite_legal_transform_dr): Call pddr_original_scattering.
2265         (dot_deps_1): New.
2266         (dot_deps): New.
2267         * graphite-dependences.h (dot_deps): Declared.
2268         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2269         (print_pdr): Print PDR_ID.
2270         * graphite-poly.h (struct poly_dr): Add field id.
2271         (PDR_ID): New.
2272         (pbb_index): New.
2273         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2274
2275 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2278         not delete the original dependence relation.
2279
2280 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2281
2282         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2283         the computation of symmetric data dependence relations.
2284         (dependency_between_pbbs_p): Same.
2285
2286 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2287
2288         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2289         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2290         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2291         (free_poly_ddr): New.
2292         (pddr_is_empty): New.
2293         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2294         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2295         Remove fprintfs.
2296         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2297         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2298         * graphite-dependences.h (enum poly_dependence_kind): New.
2299         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2300         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2301         (PDRP_SINK): Renamed PDDR_SINK.
2302         (PDRP_DDP): Renamed PDDR_DDP.
2303         (PDDR_KIND): New.
2304         (free_poly_ddr): Declared.
2305         * graphite-poly.c (new_scop): Use the new hash function names.
2306         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2307         into original_pddrs.
2308         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2309
2310 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         * Merge from mainline (150764:150992).
2313
2314 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2317         bounds with LT_EXPR to make niter analysis more precise on code
2318         generated by Graphite.
2319
2320 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2323         (graphite_legal_transform_bb): Same.
2324         (poly_drs_may_alias_p): Same.
2325
2326 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2327
2328         PR middle-end/40981
2329         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2330         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2331
2332 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2333
2334         * graphite-poly.c (print_pbb): Print PBB index.
2335
2336 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2337
2338         * Merge from mainline (r150672:150764).
2339
2340 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2341
2342         * graphite-interchange.c (ppl_max_for_le): Moved...
2343         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2344         * graphite-ppl.c (ppl_max_for_le): ... here.
2345         * graphite-ppl.h (ppl_max_for_le): Declared.
2346
2347 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * Merge from mainline (r150372:150672).
2350
2351 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2352
2353         PR middle-end/40980
2354         * sese.c (convert_for_phi_arg): New.
2355         (add_guard_exit_phis): Use convert_for_phi_arg.
2356
2357         * gfortran.dg/graphite/id-17.f: New.
2358
2359 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2360
2361         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2362         unknown subscript upper bounds.
2363
2364         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2365
2366 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2367             Pranav Garg  <pranav.garg2107@gmail.com>
2368
2369         * graphite-interchange.c (gather_access_strides): Removed.
2370         (ppl_max_for_le): New.
2371         (build_linearized_memory_access): New.
2372         (memory_stride_in_loop): New.
2373         (pbb_interchange_profitable_p): Reimplemented.
2374         * graphite-ppl.h (ppl_new_id_map): New.
2375         (ppl_interchange): New.
2376
2377         * gcc.dg/graphite/interchange-6.c: XFAILed.
2378
2379 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2380
2381         * graphite-interchange.c (compute_subscript): Removed.
2382         (compute_array_size_cstr): Removed.
2383         (compute_array_size_poly): Removed.
2384         (compute_array_size): Removed.
2385         (gather_access_strides_poly): Removed.
2386         (gather_access_strides): Empty.
2387
2388 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * graphite-dependences.c (dependence_polyhedron_1): Replace
2391         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2392         (graphite_legal_transform_dr): Same.
2393         (graphite_carried_dependence_level_k): Same.
2394         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2395         Initialize PDR_NB_SUBSCRIPTS.
2396         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2397         PDR_NB_SUBSCRIPTS.
2398         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2399         (PDR_NB_SUBSCRIPTS): New.
2400         (pdr_nb_subscripts): Removed.
2401         (pdr_dim): Simplified.
2402         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2403         with PDR_NB_SUBSCRIPTS.
2404
2405 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2406
2407         * graphite-interchange.c (compute_array_size): Remove use of
2408         PDR_DATA_CONTAINER.
2409         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2410         Do not initialize PDR_DATA_CONTAINER.
2411         (print_pdr): Do not print PDR_DATA_CONTAINER.
2412         * graphite-poly.h (struct poly_dr): Remove data_container field.
2413         (PDR_DATA_CONTAINER): Removed.
2414         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2415         PDR_DATA_CONTAINER.
2416         (build_poly_dr): Same.
2417
2418 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2419
2420         * gcc.dg/graphite/interchange-9.c: New.
2421
2422 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2423             Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2426         copy of the dependence polyhedron.  Free the temporary objects.
2427         (graphite_carried_dependence_level_k): Free unused objects before
2428         returning.
2429
2430         * gcc.dg/graphite/interchange-1.c: XFAILed.
2431         * gcc.dg/graphite/interchange-2.c: XFAILed.
2432         * gcc.dg/graphite/interchange-3.c: XFAILed.
2433         * gcc.dg/graphite/interchange-4.c: XFAILed.
2434         * gcc.dg/graphite/interchange-7.c: XFAILed.
2435
2436 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2439         Early return without analyzing the data dependences if no
2440         transform has been done.  Call restore_scattering if the transform
2441         is not legal.
2442         (graphite-interchange.c): Same.
2443         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2444         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2445         (apply_poly_transforms): Do not gcc_assert that
2446         the transform is legal.
2447         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2448         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2449         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2450         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2451         * graphite-poly.h (struct poly_scattering): New.
2452         (struct poly_bb): Add original, transformed, and saved fields.
2453         Remove transformed_scattering, original_scattering, nb_local_variables,
2454         and nb_scattering_transform fields.
2455         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2456         (poly_scattering_new): New.
2457         (poly_scattering_free): New.
2458         (poly_scattering_copy): New.
2459         (store_scattering_pbb): New.
2460         (store_scattering): New.
2461         (restore_scattering_pbb): New.
2462         (restore_scattering): New.
2463         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2464         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2465
2466 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2469         (print_scop): Same.
2470
2471 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * Makefile.in (graphite.o): Depends on PREDICT_H.
2474         * graphite.c: Include predict.h.
2475         (graphite_finalize): Call tree_estimate_probability.
2476         * predict.c (predict_loops): Do not call scev_initialize and
2477         scev_finalize.
2478         (tree_estimate_probability_bb): New.
2479         (tree_estimate_probability): Do not initialize loops: move that
2480         code to the driver.  Call tree_estimate_probability_bb.
2481         (tree_estimate_probability_driver): New.
2482         (pass_profile): Use tree_estimate_probability_driver.
2483         * predict.h (tree_estimate_probability): Declared.
2484
2485 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2488         * graphite-dependences.c (graphite_legal_transform): Add time to
2489         TV_GRAPHITE_DATA_DEPS.
2490         (dependency_between_pbbs_p): Same.
2491         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2492
2493 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2494
2495         * Merge from mainline (r149952:150372).
2496
2497 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2500         * graphite-blocking.c: Same.
2501         * graphite-clast-to-gimple.c: Same.
2502         * graphite-dependences.c: Same.
2503         * graphite-poly.c: Same.
2504         * graphite-poly.h: Same.
2505         * graphite-ppl.c: Same.
2506         * graphite-scop-detection.c: Same.
2507         * graphite-sese-to-poly.c: Same.
2508         * graphite.c: Same.
2509
2510 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2511
2512         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2513         (remove_simple_copy_phi): New.
2514         (remove_invariant_phi): New.
2515         (simple_copy_phi_p): New.
2516         (reduction_phi_p): New.
2517         (gsi_for_ssa_name_def): New.
2518         (insert_out_of_ssa_copy): New.
2519         (insert_out_of_ssa_copy_on_edge): New.
2520         (create_zero_dim_array): New.
2521         (scalar_close_phi_node_p): New.
2522         (rewrite_close_phi_out_of_ssa): New.
2523         (rewrite_phi_out_of_ssa): New.
2524         (rewrite_reductions_out_of_ssa): New.
2525         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2526
2527         * gcc.dg/graphite/id-11.c: New.
2528         * gcc.dg/graphite/id-15.c: New.
2529         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2530         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2531         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2532         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2533         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2534         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2535         * gfortran.dg/graphite/id-13.f: New.
2536         * gfortran.dg/graphite/id-5.f: New.
2537
2538 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2541         check that nb_reductions_in_loop is zero.
2542         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2543         reduction phi nodes.
2544         (nb_reductions_in_loop): Removed.
2545         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2546         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2547         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2548         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2549         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2550
2551 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2552
2553         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2554         statements that have an empty iteration domain.
2555         * gfortran.dg/graphite/id-16.f: New.
2556
2557 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2558
2559         * tree-scalar-evolution.c (instantiate_scev_1): Return
2560         chrec_dont_know when the result is not above instantiate_below.
2561         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2562         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2563         the tree has a known scalar evolution.
2564         * gfortran.dg/graphite/id-14.f: New.
2565         * gfortran.dg/graphite/id-15.f: New.
2566
2567 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2568
2569         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2570         insert_gsi.
2571         (rename_variables): Keep inserting renames after the ones already
2572         inserted.
2573
2574 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * graphite-sese-to-poly.c (compare_bb_depths): New.
2577         (graphite_sort_dominated_info): New.
2578         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2579         (build_scop_scattering): Fix comment.
2580
2581 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite.c (graphite_finalize): Call print_loops instead of
2584         dump_function_to_file.
2585         * gcc.dg/graphite/graphite.exp: Fix formatting.
2586         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2587         loops generated in the graphite output file.
2588         * gcc.dg/graphite/pr35356-2.c: New.
2589         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2590         * gfortran.dg/graphite/id-12.f: New.
2591
2592 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2593
2594         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2595         Remove 2 XFAIL.
2596
2597 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2598             Tobias Grosser  <grosser@fim.uni-passau.de>
2599
2600         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2601         alias set number build alias in ACCESSES polyhedron.
2602         (build_alias_set_for_drs): New.
2603         (build_pbb_drs): Added build_alias_set_for_drs.
2604         * graphite-dependences.c (poly_drs_may_alias_p): New.
2605         (graphite_carried_dependence_level_k): Check alias information
2606         before building polyhedron.
2607
2608 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2609
2610         * Makefile.in (lambda-code.o): Fix formatting.
2611
2612 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2613
2614         * Merge from mainline (r149350-149952)
2615
2616 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2617
2618         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2619         before interchange to prepare for loop blocking.
2620
2621 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2622
2623         * graphite-poly.c (apply_poly_transforms): Add checks after every
2624         transformation.
2625         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2626         done in apply_poly_transforms.
2627
2628 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2629
2630         * graphite-dependences.c (build_lexicographically_gt_constraint):
2631         Replace RES parameter with *RES.
2632         (dependence_polyhedron_1): Pass an address of the parameter RES
2633         instead of value of RES.
2634
2635 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite.c (graphite_finalize): Fix comment.
2638         (graphite_transform_loops): Reset scev info after code generation
2639         of each scop.
2640
2641 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2642
2643         * graphite.c (graphite_finalize): Call scev_reset.
2644
2645 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2648         GBB_CLOOG_IV_TYPES hash table twice.
2649         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2650         (add_condition_to_domain): Clear GMP values.
2651
2652 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2653
2654         * graphite-dependences.c: Fix formatting.
2655         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2656         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2657         * graphite-sese-to-poly.c: Fix formatting.
2658         * graphite.c (graphite_transform_loops): Create the hash table
2659         after the early return.
2660
2661 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2662
2663         * gcc.dg/graphite/id-14.c: New.
2664         * gcc.dg/graphite/pr40157.c: New.
2665         * gfortran.dg/graphite/id-11.f: New.
2666
2667 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2668
2669         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2670         (build_poly_scop): Return false when there are no pbbs within
2671         loops to avoid to pass to cloog scops with no loops.
2672
2673 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2674
2675         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2676         useless test "i % 2".
2677         (build_pbb_scattering_polyhedrons): Fix formatting.
2678         (build_poly_dr): Same.
2679         * graphite.c (graphite_transform_loops): Restructure.
2680
2681 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2682
2683         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2684         reduction_list parameter.
2685         (rewrite_all_phi_nodes_with_iv): Same.
2686         (canonicalize_loop_ivs): Same.
2687         * tree-parloops.c (struct brli): Removed.
2688         (build_reduction_list_info): Removed.
2689         (build_new_reduction): New.
2690         (analyze_reduction_list): Removed.
2691         (gather_scalar_reductions): Find reductions instead of phi
2692         nodes that can't be canonicalized.
2693         (try_create_reduction_list): Remove reduction_list parameter.
2694         (gen_parallel_loop): Same.
2695         (parallelize_loops): Remove analyze_reductions variable,
2696         initialization and free.
2697         Change reduction_list htab initialization to reduction_info
2698         elements instead of ssa names.
2699         Call try_create_reduction_list and gen_parallel_loop without
2700         analyzed_reduction argument.
2701         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2702         canonicalize_loop_ivs with one less argument.
2703         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2704
2705 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2706
2707         * graphite-dependences.c (new_poly_dr_pair): New.
2708         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2709         (new_poly_dr_pair): New.
2710         (eq_poly_dr_pair_p): New.
2711         (hash_poly_dr_pair_p): New.
2712         * graphite-dependences.h (struct poly_dr_pair): New.
2713         (eq_poly_dr_pair_p): Declared.
2714         (hash_poly_dr_pair_p): Declared.
2715         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2716         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2717         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2718         * Makefile.in (graphite-poly.o): Add dependence on
2719         graphite-dependences.h.
2720
2721 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2724         polynomials of degree > 1 pass to Graphite.
2725         * tree-chrec.c (scev_is_linear_expression): Call
2726         evolution_function_is_affine_multivariate_p.
2727         * gfortran.dg/graphite/id-10.f90: New.
2728
2729 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2732         Instantiate scevs varying in outer loops.
2733         * gfortran.dg/graphite/id-9.f: Correct testcase.
2734
2735 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2736
2737         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2738         redundant constraint.
2739
2740 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         * gcc.dg/graphite/graphite.exp: Fix comments.
2743         * gfortran.dg/graphite/graphite.exp: Trigger actions
2744         based on the file names as in the C testsuite.
2745         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2746         * gfortran.dg/graphite/block-2.f: Same.
2747         * gfortran.dg/graphite/block-3.f90: Same.
2748         * gfortran.dg/graphite/block-4.f90: Same.
2749         * gfortran.dg/graphite/id-1.f90: Same.
2750         * gfortran.dg/graphite/id-2.f90: Same.
2751         * gfortran.dg/graphite/id-3.f90: Same.
2752         * gfortran.dg/graphite/id-4.f90: Same.
2753         * gfortran.dg/graphite/id-6.f: Same.
2754         * gfortran.dg/graphite/id-9.f: Same.
2755         * gfortran.dg/graphite/interchange-1.f: Same.
2756         * gfortran.dg/graphite/interchange-2.f: Same.
2757         * gfortran.dg/graphite/scop-1.f: Same.
2758
2759 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2760
2761         * sese.c (expand_scalar_variables_call): New.
2762         (expand_scalar_variables_ssa_name): Handle calls in expander.
2763
2764 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2767         Expect to see the pattern twice.
2768         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2769         * gcc.dg/graphite/interchange-5.c: Same.
2770         * gcc.dg/graphite/interchange-6.c: Same.
2771
2772 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * gcc.dg/graphite/id-10.c: New.
2775         * gcc.dg/graphite/id-12.c: New.
2776         * gfortran.dg/graphite/id-7.f: New.
2777         * gfortran.dg/graphite/id-8.f: New.
2778
2779 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2782         zero.
2783
2784 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2785
2786         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2787
2788 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2789
2790         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2791
2792 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2793
2794         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2795         building PDR subscripts.
2796
2797 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2798
2799         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2800         computation of array sizes.
2801
2802 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2803
2804         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2805
2806 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2807
2808         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2809         build_pairwise_constraint, dr_equality_constraints,
2810         build_pairwise_scheduling_equality,
2811         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2812         build_lexicographically_gt_constraint, dependence_polyhedron,
2813         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2814         Move from NNC_Polyhedron to C_Polyhedron.
2815         * graphite-interchange.c (compute_array_size_poly,
2816         gather_access_strides): Dito.
2817         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2818         free_scop, pbb_number_of_iterations): Dito.
2819         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2820         pbb_dim_iter_domain, struct scop): Dito.
2821         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2822         new_Cloog_Domain_from_ppl_Polyhedron,
2823         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2824         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2825         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2826         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2827         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2828         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2829         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2830         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2831         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2832         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2833         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2834         build_scop_iteration_domain, build_poly_dr): Dito
2835
2836 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2839         run-id-*.c files.
2840         * gcc.dg/graphite/run-id-1.c: New.
2841
2842 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2843
2844         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2845         positivity constraint on the symbolic number of iterations.
2846
2847 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2848
2849         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2850
2851 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2852             Tobias Grosser  <grosser@fim.uni-passau.de>
2853
2854         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2855         (build_cloog_prog): Directly use SCOP_CONTEXT.
2856         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2857         (free_scop): Free SCOP_CONTEXT.
2858         (print_scop_context): New.
2859         (print_scop): Call print_scop_context.
2860         (debug_scop_context): New.
2861         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2862         (struct scop): Added field context.
2863         (SCOP_CONTEXT): New.
2864         * graphite-sese-to-poly.c (add_param_constraints): New.
2865         (build_scop_context): New.
2866         (build_poly_scop): Call build_scop_context.
2867
2868 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2869
2870         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2871         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2872         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2873         * graphite-ppl.h: Include double-int.h and tree.h.
2874         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2875         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2876         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2877         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2878
2879 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2880
2881         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2882         POINTER_PLUS_EXPR for pointer types.
2883         (clast_to_gcc_expression): Same.
2884
2885 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2886
2887         * graphite-poly.c (print_scattering_function): Early return when
2888         PBB_TRANSFORMED_SCATTERING is not initialized.
2889         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2890
2891 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2892
2893         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2894         to fix bootstrap.
2895
2896 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2897
2898         * tree-parloops.c (analyze_reduction_list): Change return
2899         value to void.
2900         (try_create_reduction_list): Move the call to
2901         analyze_reduction_list to the beginining.
2902         Call reduction_phi with analyzed_reductions as argument
2903         instead of reduction_list.
2904
2905 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2906
2907         *  Merge from mainline (r148296:149346)
2908
2909 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2910
2911         * graphite-scop-detection.c (graphite_can_represent_init): New.
2912         (graphite_can_represent_scev): Call graphite_can_represent_init:
2913         check that the initial value does not contain multiplications of
2914         parameters.
2915         (stmt_has_simple_data_refs_p): New.
2916         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2917         (is_simple_operand): Fix formatting.
2918         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2919
2920 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * gcc.dg/graphite/id-13.c: New.
2923         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2924         analyze_scalar_evolution, use scalar_evolution_in_region.
2925         (scan_tree_for_params_right_scev): Add extra assert.
2926         (parameter_index_in_region_1): Split from parameter_index_in_region.
2927         (idx_record_params): Use scalar_evolution_in_region.
2928         (find_params_in_bb): Same.
2929         (find_scop_parameters): Same.
2930         (build_loop_iteration_domains): Same.
2931         (create_linear_expr_from_tree): Same.
2932         * sese.c (scalar_evolution_in_region): New.
2933         * sese.h (scalar_evolution_in_region): Declared.
2934         (defined_in_sese_p): New.
2935         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2936         static anymore.
2937         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2938         Declared.
2939
2940 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2941
2942         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2943         TREE_DATA_REF_H also implies SCEV_H.
2944
2945 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2946
2947         * graphite-poly.c (print_scop_params): New.
2948         (print_scop): Call print_scop_params.
2949         (debug_scop_params): New.
2950         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2951
2952 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2953
2954         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2955         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2956         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2957         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2958         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2959         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2960
2961 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2962
2963         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2964         for dependency checking part.
2965         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2966         tests for dependency checking.
2967         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2968         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2969         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2970         flag -fdump-tree-graphite-all for autopar testsuites.
2971
2972 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2975         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2976         canonicalize_loop_ivs): Moved...
2977         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2978
2979 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * tree-parloops.c (try_create_reduction_list): Pass an extra
2982         argument analyzed_reductions.  Call analyze_reduction_list.
2983         (gen_parallel_loop): Do not call analyze_reduction_list.
2984         (parallelize_loops): Init and finalize analyzed_reductions.
2985
2986 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2987
2988         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2989         Added flag -fno-loop-strip-mine for autopar testcase.
2990
2991 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2992
2993         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2994         transformed scattering dimension instead of unmatch orignal when
2995         calling dependence_polyhedron.
2996
2997 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3000
3001 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3002
3003         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3004         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3005
3006 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3007
3008         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3009         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3010         * graphite-poly.c (pbb_number_of_iterations): New.
3011         * graphite-poly.h (pbb_number_of_iterations): Declared.
3012         (pbb_iterator_dim, pbb_parameter_dim): New.
3013
3014 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3017         last commit on type of lower and upper bound of loops.
3018
3019 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3020
3021         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3022         graphite-dependences.h.
3023         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3024         (mark_bb_with_pbb): New.
3025         (get_stmtfor_depth): New.
3026         (find_pbb_via_hash): New.
3027         (dependency_in_loop_p): New.
3028         (mark_loops_parallel): New.
3029         (free_aux_in_new_loops): New.
3030         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3031         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3032         innermost loop parallel without checking.
3033         (gloog): Add parameter BB_PBB_MAPPING.
3034         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3035         (gloog): Change declaration.
3036         (mark_loop_parallel): Make extern.
3037         (free_aux_in_new_loops): Declare.
3038         (bb_pbb_map_hash): New.
3039         (eq_bb_pbb_map): New.
3040         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3041         auto parallelization when flag_graphite_force_parallel is set.
3042         (graphite_finalize): Added free_aux_in_new_loops.
3043         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3044         the innermost loop that marked parallel.  Use
3045         flag_graphite_force_parallel instead of loop->can_be_parallel.
3046         (loop_parallel_p): Move inner most checking out of function.
3047
3048 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3049
3050         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3051         type of lower and upper bound of loops signed long int.
3052
3053 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3054
3055         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3056         expression outside the loop.
3057
3058 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * gcc.dg/graphite/interchange-8.c: New.
3061
3062 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3063
3064         * gcc.dg/graphite/interchange-0.c: XFailed.
3065         * gcc.dg/graphite/interchange-5.c: XFailed.
3066         * gcc.dg/graphite/interchange-6.c: XFailed.
3067
3068 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         * graphite-interchange.c (compute_array_size_poly): The end of the
3071         recursion should return 1.
3072
3073 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * graphite-interchange.c (compute_array_size_cstr): Allow the
3076         subscript multiplier to be -1.
3077         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3078         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3079         data_container.  Initializes PDR_DATA_CONTAINER.
3080         (print_pdr_access_layout): New.
3081         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3082         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3083         data_container.
3084         (PDR_DATA_CONTAINER): New.
3085         (new_poly_dr): Update declaration.
3086         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3087         (build_poly_dr): Call pdr_add_data_dimensions.
3088
3089 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3090
3091         * graphite-poly.h (struct poly_dr): Fix comment.
3092         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3093         (pdr_add_memory_accesses): New.
3094         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3095
3096 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3099         (print_pbb): Add call to print_pdrs.
3100         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3101
3102 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3103             Li Feng <nemokingdom@gmail.com>
3104
3105         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3106         (dependency_between_pbbs_p): New.
3107         (lexicographically_gt_p): Assure !empty_p before polyhedron
3108         intersection assign.
3109         (build_lexicographically_gt_constraint): Correct lexicographically
3110         judging.
3111         * graphite-dependences.h: New.
3112         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3113
3114 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3117         (gloog): Print to dump_file the generated clast.
3118         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3119         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3120
3121 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * graphite-poly.c (extend_scattering): Increment
3124         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3125
3126 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3127
3128         * graphite-interchange.c (compute_array_size_poly): Added exit of
3129         recursion condition.  Continue iterating even after the first equality.
3130         (compute_array_size): Same.
3131
3132 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3133
3134         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3135         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3136         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3137         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3138         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3139
3140 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3143         only when the use verifies is_gimple_reg.
3144
3145 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3148         Allocate scaldims after call to unify_scattering_dimensions.
3149
3150 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3153
3154 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3155             Albert Cohen  <albert.cohen@inria.fr>
3156
3157         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3158         variables for the strip mining.
3159
3160 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3161             Pranav Garg  <pranav.garg2107@gmail.com>
3162
3163         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3164         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3165         (graphite-blocking.o): New rule.
3166         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3167         * graphite-blocking.c: New.
3168         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3169         flag_loop_strip_mine.
3170         (psct_scattering_dim_for_loop_depth): New.
3171         * graphite-poly.h (scop_do_strip_mine): Declared.
3172         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3173         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3174         flag_loop_strip_mine.
3175
3176 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3177
3178         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3179         a GMP value and a PPL coefficient at each iteration of a loop.
3180
3181 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * graphite-dependences.c (dependence_polyhedron): Do not use
3184         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3185         pbb_nb_scattering_transform.
3186         (graphite_legal_transform_dr): Same.
3187         * graphite-poly.c (extend_scattering): Same.
3188         (unify_scattering_dimensions): Same.
3189         (print_scattering_function): Same.
3190         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3191         PBB_NB_LOCAL_VARIABLES.
3192         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3193         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3194         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3195         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3196         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3197         (pbb_nb_scattering_transform): New.
3198         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3199         (psco_scattering_dim): Add assert on parameters.
3200         (psct_scattering_dim): Same.
3201         (psct_scattering_dim_for_loop_depth): Declared.
3202         (psct_local_var_dim): New.
3203         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3204         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3205         correct layout, call pbb_nb_local_vars.
3206         (psct_add_local_variable, psct_add_scattering_dimension): New.
3207         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3208         Initialize PBB_NB_SCATTERING_TRANSFORM.
3209
3210 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3211
3212         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3213         (set_coef): Renamed ppl_set_coef.
3214         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3215
3216 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3217
3218         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3219         test a boolean against 1.
3220         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3221         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3222         (pbb_do_interchange): Returns true when a transform has been performed.
3223         (scop_do_interchange): Same.
3224         * graphite-poly.c (apply_poly_transforms): Use the return value of
3225         scop_do_interchange.
3226         * graphite-poly.h (scop_do_interchange): Update declaration.
3227
3228 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3229
3230         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3231         after last use.
3232         * sese.c (sese_reset_aux_in_loops): New.
3233         * sese.h (sese_reset_aux_in_loops): New.
3234
3235 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3238         multiplier and multiply the constant by the multiplier.
3239         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3240         (build_poly_dr): Do not use the multiplier to define the subscript.
3241
3242 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3243
3244         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3245         compiler's data reference.  Initialize PDR_CDR.
3246         (print_pdr): Call dump_data_reference.
3247         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3248         Add compiler_dr field.
3249         (PDR_BB): Renamed PDR_PBB.
3250         (PDR_CDR): New.
3251         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3252         GCC's data reference representation.
3253         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3254         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3255
3256 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3257
3258         * graphite-poly.c (print_scattering_function): Also print the layout.
3259         * graphite-poly.h (pbb_nb_local_vars): New.
3260
3261 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3264
3265 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * graphite-poly.c (print_pdr, debug_pdr): New.
3268         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3269         (PDR_BASE): Removed.
3270
3271 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3274         ltrans-{1..6,8}.c.
3275
3276 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3277
3278         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3279         subscript identification column.
3280         (pbb_do_interchange): Print to dump_file that some loops "will be
3281         interchanged".  Rely on that chain of characters in the testcases.
3282         * gcc.dg/graphite/interchange-0.c: New.
3283         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3284         interchange-*.c files and compile them with -floop-interchange.
3285
3286 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3287
3288         * graphite-interchange.c (interchange_profitable_p): Renamed
3289         pbb_interchange_profitable_p.
3290
3291 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3292             Harsha Jagasia  <harsha.jagasia@amd.com>
3293             Pranav Garg  <pranav.garg2107@gmail.com>
3294
3295         * graphite-interchange.c (interchange_profitable_p): Make static.
3296         (pbb_interchange_loop_depths, pbb_do_interchange,
3297         scop_do_interchange): New.
3298         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3299         for flag_loop_interchange.
3300         * graphite-poly.h (scop_do_interchange): Declared.
3301         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3302         flag_loop_interchange is used.
3303
3304 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3305
3306         * graphite-dependences.c (dependence_polyhedron): Update use of
3307         pbb_nb_scattering_dims.
3308         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3309         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3310         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3311         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3312
3313 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3314
3315         * graphite.c: Cleanup foo.
3316
3317 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3318
3319         * Merge from mainline (r143684:148293).
3320         * Disabled libpcp until it gets fixed.
3321
3322 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3323             Harsha Jagasia  <harsha.jagasia@amd.com>
3324
3325         * graphite-interchange.c: New.
3326         * Makefile.in (graphite-interchange.o): New.
3327         * graphite-poly.h (interchange_profitable_p): Declared.
3328         * graphite-ppl.h (value_max): New.
3329
3330 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3331
3332         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3333         * graphite-poly.h: Fix some comments.
3334         (pdr_dim): New.
3335         (pdr_scop): New.
3336
3337 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * graphite-poly.h
3340         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3341         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3342         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3343         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3344         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3345         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3346         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3347         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3348         * graphite-clast-to-gimple.c: Same.
3349         * graphite-dependences.c: Same.
3350         * graphite-poly.c: Same.
3351         * graphite-sese-to-poly.c: Same.
3352
3353 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3354
3355         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3356         expressions for an IV rename, as returned by clast_to_gcc_expression.
3357         (copy_renames): Rename new_name to expr.
3358         * sese.c (debug_rename_elt): Same.
3359         (get_rename): Same.
3360         (set_rename): Same.
3361         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3362         the information from the rename map.
3363         (rename_variables_in_stmt): Same.
3364         (add_loop_exit_phis): Rename new_name to expr.
3365         (insert_loop_close_phis): Same.
3366         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3367         * sese.h (struct rename_map_elt): Rename new_name to expr.
3368         (new_rename_map_elt): Same.
3369
3370 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3371
3372         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3373         * sese.c (set_rename): Make it extern.
3374         * sese.h (set_rename): Declared.
3375
3376 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3377
3378         * graphite-poly.c (extend_scattering): Free values.
3379         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3380         Free iterators.
3381         (ppl_print_powerset_matrix): Same.
3382         * graphite-scop-detection.c (free_scops_1): New.
3383         (limit_scops): Call free_scops_1.
3384         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3385         (build_poly_dr): Free PPL coefficients.
3386         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3387
3388 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3389
3390         * graphite-dependences.c: New.
3391         * graphite-data-ref.c: Removed.
3392         * graphite-data-ref.h: Removed.
3393         * Makefile.in (graphite-data-ref.o): Removed.
3394         (graphite-dependences.o): Added.
3395         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3396         * graphite-poly.c: Same.
3397         Move the data dependence testing to graphite-dependences.c.
3398
3399 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3400
3401         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3402         from graphite_cannot_represent_loop. Code refactored.
3403         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3404
3405 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3406
3407         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3408         Cover all the testcases (not only the filtered ones).
3409
3410 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3411
3412         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3413         unnecessary check. Update comments. Move check for REAL_TYPE here.
3414         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3415         done in (stmt_simple_for_scop_p).
3416
3417 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3418
3419         * graphite.c (print_global_statistics): New.
3420         (print_graphite_scop_statistic): New.
3421         (print_graphite_statistics): New.
3422         (graphite_initialize, graphite_transform_loops): Print statistics.
3423         * graphite-scop-detection (build_scops): Print statistics.
3424         (print_graphite_scop_statistics): New.
3425         (print_graphite_statistics): New.
3426
3427 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3428
3429         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3430         (debug_clast_name_index): Removed.
3431         (debug_clast_name_indexes_1): Removed.
3432         (debug_clast_name_indexes): Removed.
3433         (clast_name_index_elt_info): Removed.
3434         (eq_clast_name_indexes): Removed.
3435         (clast_name_to_index): Removed.
3436         (new_clast_name_index): Removed.
3437         (save_clast_name_index): Removed.
3438         (save_var_name): Moved...
3439         (init_sese_params_index): Removed.
3440         (clast_name_to_gcc): Remove use of name_tree.
3441         (initialize_cloog_names): Same.
3442         (gloog): Do not call init_sese_params_index.
3443         * graphite-sese-to-poly.c (save_var_name): ...here.
3444         (parameter_index_in_region): New.
3445         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3446         (parameter_index_in_region): Removed.
3447         (is_parameter): Remove use of name_tree.
3448         * sese.h (struct name_tree): Removed.
3449         (struct sese): Remove use of name_tree.  New field params_names.
3450         (SESE_PARAMS_NAMES): New.
3451         (SESE_PARAMS): Remove duplicate.
3452         (parameter_index_in_region): Removed.
3453         (sese_nb_params): Remove use of name_tree.
3454         (struct clast_name_index): New.
3455         (new_clast_name_index): New.
3456         (clast_name_to_index): New.
3457         (save_clast_name_index): New.
3458         (debug_clast_name_index): New.
3459         (debug_clast_name_indexes_1): New.
3460         (debug_clast_name_indexes): New.
3461         (clast_name_index_elt_info): New.
3462         (eq_clast_name_indexes): New.
3463
3464 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3467         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3468         (graphite_loop_normal_form): Do not pass region.  Do not
3469         initialize SESE_OLDIVS.
3470         (build_graphite_loop_normal_form): Update call to
3471         graphite_loop_normal_form.
3472         * sese.c (debug_oldivs): Removed.
3473         (new_sese): Do not initialize SESE_OLDIVS.
3474         (free_sese): Do not free SESE_OLDIVS.
3475         (oldiv_for_loop): Removed.
3476         * sese.h (struct sese): Remove old_ivs.
3477         (SESE_OLDIVS): Removed.
3478         (oldiv_for_loop): Removed.
3479
3480 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3481
3482         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3483         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3484         replaced by a call to newivs_to_depth_to_newiv.
3485         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3486         (clast_to_gcc_expression_red): Same.
3487         (gcc_type_for_clast_expr): Same.
3488         (gcc_type_for_clast_eq): Same.
3489         (graphite_translate_clast_equation): Same.
3490         (graphite_create_guard_cond_expr): Same.
3491         (graphite_create_new_guard): Same.
3492         (graphite_create_new_loop): Same.
3493         (build_iv_mapping): Same.
3494         (translate_clast): Same.
3495         (gloog): Same.
3496         (loop_iv_stack_patch_for_consts): Removed.  *
3497         sese.c (iv_stack_entry_is_constant): Removed.
3498         (iv_stack_entry_is_iv): Removed.
3499         (loop_iv_stack_push_iv): Removed.
3500         (loop_iv_stack_insert_constant): Removed.
3501         (loop_iv_stack_pop): Removed.
3502         (loop_iv_stack_get_iv): Removed.
3503         (loop_iv_stack_get_iv_from_name): Removed.
3504         (debug_loop_iv_stack): Removed.
3505         (free_loop_iv_stack): Removed.
3506         (loop_iv_stack_remove_constants): Removed.  *
3507         sese.h (iv_stack_entry_kind): Removed.
3508         (iv_stack_entry_data_union): Removed.
3509         (iv_stack_entry_struct): Removed.
3510         (iv_stack_entry_p): Removed.
3511         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3512         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3513         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3514         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3515         (gbb_loop_at_index): Fix indenting.
3516         (gbb_loop_index): Removed.
3517
3518 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3521         Call clast_name_to_index.
3522
3523 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3524
3525         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3526         do not pass params.  Get params from SESE_PARAMS.
3527         (clast_to_gcc_expression): Same.
3528         (clast_to_gcc_expression_red): Same.
3529         (gcc_type_for_clast_eq): Same.
3530         (graphite_translate_clast_equation): Same.
3531         (graphite_create_new_loop): Same.
3532         * sese.c (rename_variables_in_stmt): Fix comment.
3533
3534 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3537         newivs_index.
3538         Call save_clast_name_index.
3539         (translate_clast): Pass newivs_index.
3540         (gloog): Create and free newivs_index.
3541
3542 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3545         (clast_name_index_p): New type.
3546         (debug_clast_name_index): New.
3547         (debug_clast_name_indexes_1): New.
3548         (debug_clast_name_indexes): New.
3549         (clast_name_index_elt_info): New.
3550         (eq_clast_name_indexes): New.
3551         (clast_name_to_index): New.
3552         (new_clast_name_index): New.
3553         (save_clast_name_index): New.
3554         (init_sese_params_index): New.
3555         (gloog): Call init_sese_params_index.
3556         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3557         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3558         (free_sese): Free SESE_PARAMS_INDEX.
3559         * sese.h (struct sese): Add params_index.
3560         (SESE_PARAMS_INDEX): New.
3561
3562 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3565         (graphite_create_new_loop): Pass the newivs vector.  Push the
3566         newly created IV to newivs.
3567         (translate_clast): Pass the newivs vector.
3568         (gloog): Create and destroy the newivs vector.
3569
3570 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3571
3572         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3573         (graphite_loop_normal_form): Initialize loop->aux with the unique
3574         IV that has been created.
3575
3576 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3577
3578         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3579         scev with parameters in the base part. They where forbidden
3580         exidently.
3581
3582 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3583
3584         * gcc.dg/graphite/graphite.exp: Set different default
3585         compile options by file names.
3586         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3587         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3588         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3589         * gcc.dg/graphite/scop-matmult.c: Ditto.
3590
3591 2009-05-08  Li Feng <nemokingdom@gmail.com>
3592
3593         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3594         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3595         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3596         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3597
3598 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3599
3600         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3601         by final cleanup.
3602
3603 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3604
3605         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3606         allow integer constant strides.
3607         (graphite_can_represent_expr): Depend on outermost_loop.
3608         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3609         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3610         build_scops_1): Same.
3611         (scopdet_basic_block_info): Same and insert layered SCoP
3612         detection.
3613         (try_generate_gimple_bb): Cleanup.
3614         (build_scops): Enable data references.
3615
3616         * gcc.dg/graphite/id-5.c: New.
3617         * gcc.dg/graphite/id-9.c: New.
3618         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3619         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3620
3621 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3622
3623         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3624         that we have not yet built for this SCoP.
3625
3626 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3627
3628         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3629         for complex numbers.
3630
3631 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3632
3633         * graphite-ppl.c: Fix build if cloog is not available.
3634
3635 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3636
3637         * tree-parloops.c (loop_parallel_p): Remove construction of
3638         NITER and REDUCTION_LIST.
3639         (try_get_loop_niter): New.
3640         (try_create_reduction_list): New.
3641         (parallelize_loops): Bypass the failed checkings in autopar
3642         when can_be_parallel in loop structure is set to true.
3643
3644 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3645
3646         * gcc.dg/graphite/id-6.c: Update testcase.
3647         * gcc.dg/graphite/scop-3.c: Dito.
3648
3649 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3650
3651         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3652         Enable EQ_EXPR and NE_EXPR again.
3653
3654 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3655
3656         * graphite-scop-detection.c (graphite_can_represent_scev):
3657         Add check if scev is affine multivariate.
3658         (harmful_stmt_in_bb): Check if we can represent the conditions.
3659         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3660         harmful_stmt_in_bb.
3661         * gcc.dg/graphite/id-7.c: New.
3662
3663 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3664
3665         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3666         Check all bbs in region, not only the bbs that are represented in
3667         GRAPHITE.
3668         (build_poly_scop): Add newline.
3669         * gcc.dg/graphite/id-8.c: New.
3670
3671 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3672
3673         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3674         when loop initialize.
3675         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3676         * common.opt: Declare flag_graphite_force_parallel.
3677         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3678         loop parallel.
3679         * graphite-poly.c (apply_poly_transforms): Introduce
3680         flag_graphite_force_parallel.
3681         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3682         * toplev.c (process_options): ditto and replace a not correctly
3683         encoded space.
3684
3685 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3686
3687         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3688         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3689         to the redefinition.
3690         (compute_cloog_iv_types_1): ditto.
3691         (build_iv_mapping): ditto.
3692         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3693         initialization.
3694         (free_gimple_bb): Removed GBB_LOOPS related free part.
3695         (build_bb_loops): Removed.
3696         * sese.h (struct gimple_bb): Removed loops.
3697         (GBB_LOOPS): Removed.
3698         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3699         (gbb_loop_index): ditto.
3700
3701 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3702
3703         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3704         allow non constant strides.
3705         * gcc.dg/graphite/scop-20.c: New.
3706
3707 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3708
3709         * graphite-scop-detection.c (dot_all_scops): Fix system call
3710         return value warning.
3711         (dot_scop): Same.
3712
3713 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3714
3715         * gcc.dg/graphite/id-6.c: Fix pattern.
3716         * gcc.dg/graphite/scop-3.c: Same.
3717
3718 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3719
3720         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3721         build_pairwise_constraint, dr_equality_constraints,
3722         build_pairwise_scheduling_equality,
3723         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3724         build_lexicographically_gt_constraint, dependence_polyhedron,
3725         graphite_legal_transform_dr, graphite_legal_transform_bb,
3726         graphite_legal_transform): New.
3727         * graphite-poly.h (graphite_legal_transform): Declared.
3728         * graphite-sese-to-poly.c (build_poly_scop): Call to
3729         graphite_legal_transform is disabled for the moment.
3730
3731 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3732
3733         * graphite-poly.h (pbb_nb_scattering_dims): New.
3734         (pbb_nb_scattering): Use it.
3735
3736 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3737
3738         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3739         Pointset_Powerset version of ppl_insert_dimensions.
3740         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3741
3742 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3743
3744         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3745
3746 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3747
3748         * graphite-poly.h: Fix comment.
3749
3750 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3753
3754 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3755
3756         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3757         statements.
3758
3759 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3760
3761         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3762         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3763         conditions.
3764
3765 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3766
3767         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3768         handle EQ_EXPR and NE_EXPR.
3769
3770 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3771
3772         * graphite-poly.h (poly_dr): Fix comment.
3773
3774 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3775             Tobias Grosser  <grosser@fim.uni-passau.de>
3776
3777         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3778         with a zero dimension polyhedron.
3779         (find_scop_parameters): Move the call to scop_set_nb_params here.
3780         (build_loop_iteration_domains): Store in loop->aux the iteration
3781         domain polyhedron.
3782         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3783         by any loop in scop.
3784         (build_poly_scop): Do not call scop_set_nb_params.
3785
3786 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3787             Tobias Grosser  <grosser@fim.uni-passau.de>
3788
3789         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3790         add_condition_to_domain not GT_EXPR.
3791
3792 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3793
3794         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3795         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3796         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3797         upper_bound_assign to calculate unions.
3798         * gcc.dg/graphite/id-6.c: New.
3799
3800 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3801
3802         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3803         handle abnormal edges.
3804
3805 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3806
3807         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3808         (free_poly_bb): Also free poly_drs.
3809         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3810         (poly_dr): Polyhedron to Pointset_Powerset.
3811         (pdr_accessp_nb_subscripts): Same.
3812         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3813         poly_drs.
3814
3815 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3816
3817         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3818         names into more meaningful names.
3819
3820 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         * gfortran.dg/graphite/interchange-1.c: New.
3823         * gfortran.dg/graphite/interchange-2.c: New.
3824
3825 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3826
3827         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3828         the reduction_list.
3829         * tree-parloops.c (rewrite_phi_with_iv): New.
3830         (rewrite_all_phi_nodes_with_iv): New.
3831         (canonicalize_loop_ivs): Call them.
3832
3833 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3836         graphite_find_data_references_in_stmt.
3837         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3838         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3839
3840 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3841
3842         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3843
3844 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3845
3846         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3847         instead of bb_in_region.
3848         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3849         (build_sese_conditions): Use flag_bb_in_sese.
3850         * sese.c (register_bb_in_sese): Removed.
3851         (new_sese): Remove initialization of SESE_REGION_BBS.
3852         (free_sese): Do not free SESE_REGION_BBS.
3853         * sese.h (struct sese): Remove field region_basic_blocks.
3854         (SESE_REGION_BBS): Removed.
3855         (bb_in_sese_p): Implement in function of bb_in_region.
3856
3857 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3860         loops.
3861
3862 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3863
3864         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3865         and EQ_EXPR.
3866         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3867         (add_condition_to_domain): New.
3868         (add_condition_to_pbb): New.
3869         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3870         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3871
3872 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3873
3874         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3875         ppl_Pointset_Powerset.
3876         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3877         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3878         (pbb_nb_loops): Same.
3879         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3880         add_conditions_to_domain): Same.
3881         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3882         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3883         ppl_const_Polyhedron_t.
3884         (ppl_print_powerset_matrix): New.
3885         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3886         ppl_print_powerset_matrix): New.
3887         (ppl_print_polyhedron_matrix): Updated.
3888
3889 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3892
3893 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3896         (print_iteration_domains, debug_iteration_domain,
3897         debug_iteration_domains): New.
3898         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3899         debug_iteration_domains): Declared.
3900         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3901         indenting.
3902
3903 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3904             Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite-poly.h (print_iteration_domain): New.
3907         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3908         (build_sese_conditions_1, build_sese_conditions_after,
3909         build_sese_conditions_before): New.
3910         (build_sese_conditions): Rewritten.
3911
3912 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3913             Tobias Grosser  <grosser@fim.uni-passau.de>
3914
3915         Cleanup of code generation liveouts.
3916         * graphite-clast-to-gimple.c (translate_clast): Use a single
3917         rename_map instead of one per translated statement.
3918         Do not use SESE_LIVEOUT_RENAMES.
3919         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3920         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3921         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3922         phi node of a reduction: when a loop contains a reduction used outside
3923         the loop, there should be a scalar close phi node on the exit block.
3924         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3925         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3926         (free_sese): Do not free them.
3927         (sese_build_liveouts_use): Do not use them.
3928         (sese_build_liveouts_bb): Same.
3929         (sese_build_liveouts): Same.
3930         (sese_insert_phis_for_liveouts): Same.
3931         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3932         (defined_in_loop_p): New.
3933         (alive_after_loop): New.
3934         (close_phi_not_yet_inserted_p): New.
3935         (struct alep, alep_p): New.
3936         (add_loop_exit_phis): Remove from the rename_map all the names defined
3937         in the code generated loop.
3938         (insert_loop_close_phis): Traverse the rename_map passed to it.
3939         Don't use SESE_LIVEOUT_RENAMES.
3940         (default_liveout_before_guard): Renamed default_before_guard.
3941         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3942         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3943         (register_sese_liveout_renames): Removed.
3944         (copy_bb_and_scalar_dependences): Do not call it.
3945         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3946         reduction_list.
3947         (SESE_LIVEOUT): Removed.
3948         (SESE_LIVEOUT_RENAMES): Removed.
3949         (SESE_REDUCTION_LIST): Removed.
3950         (sese_build_liveouts): Removed.
3951         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3952         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3953         (insert_guard_phis): Same.
3954         (rename_map_elt): Declare a VEC of them.
3955         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3956         trees not pointers to trees.
3957
3958         Rewrite in canonical close SSA form:
3959         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3960         (limit_scops): Close the scop after the block containing the close phi
3961         nodes.
3962         (canonicalize_loop_closed_ssa): New.
3963         (canonicalize_loop_closed_ssa_form): New.
3964         (build_scops): Call canonicalize_loop_closed_ssa_form.
3965
3966         * graphite-sese-to-poly.c: Fix typos.
3967
3968 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3969
3970         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3971         Extended.
3972         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3973         (print_pbb): Add conditions.
3974
3975 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3976             Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3979         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3980         (build_scop_bbs_1): New.
3981         (build_scop_bbs): Rewrite.
3982         * sese.h (bb_in_region): New.
3983
3984 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3985
3986         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3987         poly_drs vector.
3988         (print_scop): Style.
3989         * graphite-poly.h (poly_bb): Add drs vector.
3990         (PBB_DRS): Add accessor.
3991         * graphite-sese-to-poly.c (build_poly_dr): New.
3992         (build_pbb_drs, build_scop_drs): New.
3993         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3994
3995 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3996
3997         * tree-ssa-loop.c: Include forgotten toplev.h
3998
3999 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4000
4001         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4002         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4003         * gcc.dg/graphite/pr37928.c: Same
4004         * gcc.dg/graphite/pr38409.c: Same
4005         * gcc.dg/graphite/pr38498.c: Same
4006         * gcc.dg/graphite/pr38559.c: Same
4007         * gcc.dg/graphite/pr39335.c: Same
4008         * gcc.dg/graphite/pr39335_1.c: Same
4009         * gfortran.dg/graphite/block-2.f: Same
4010         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4011         with -floop-*.
4012
4013 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4014
4015         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4016         build_access_matrix, build_scop_data_accesses): Remove access function
4017         building. (We get a new version soon).
4018         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4019         * sese.h (nb_loops_around_loop_in_sese): Remove.
4020         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4021
4022 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4023             Sebastian Pop  <sebastian.pop@amd.com>
4024
4025         * graphite-scop-detection.c (struct scopdet_info): Rename last
4026         field to exit.
4027         (scopdet_basic_block_info, build_scops_1): Don't use
4028         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4029
4030 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4031             Sebastian Pop  <sebastian.pop@amd.com>
4032
4033         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4034         * sese.c (sese_build_liveouts_use): Renamed from
4035         sese_build_livein_liveouts_use. Remove liveins.
4036         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4037         Call sese_build_liveouts_use.
4038         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4039         Call sese_build_liveouts_bb.
4040         (new_sese, free_sese): Remove liveins.
4041         (sese_add_exit_phis_var): Deleted.
4042         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4043         directly.
4044         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4045
4046         * sese.h (sese): Remove num_ver and livein.
4047         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4048
4049 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4050
4051         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4052
4053 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4054
4055         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4056         (build_scop_scattering): Do not use compare_prefix_loops any more.
4057         (nb_common_loops): New.
4058
4059 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4060
4061         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4062         (register_old_and_new_names): Renamed set_rename.
4063
4064 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4065
4066         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4067         of the decl from the previous commit.
4068
4069 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4070
4071         * graphite-scop-detection.c (dot_scop): New.
4072         * graphite-scop-detection.h (dot_scop): Declared.
4073
4074 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4075
4076         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4077
4078 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4079
4080         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4081         condition at the end of the loop.
4082         * graphite.c (graphite_initialize, graphite_finalize): Print to
4083         dump_file the compiled function.
4084         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4085         of create_empty_loop_on_edge.
4086         (translate_clast): Update the code generation of loops for the new
4087         shape of loops.
4088         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4089
4090 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4091
4092         Reverted the patch from 2009-03-19.
4093
4094 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4095
4096         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4097         poly_drs vector.
4098         (print_scop): Style.
4099         * graphite-poly.h (poly_bb): Add drs vector.
4100         (PBB_DRS): Add accessor.
4101         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4102         (build_access_matrix_with_af, build_access_matrix,
4103         build_scop_data_accesses): Delete.
4104         (build_poly_dr): New.
4105         (build_pbb_drs, build_scop_drs): New.
4106         (build_poly_scop): call build_scop_drs.
4107
4108 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4109
4110         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4111         once per basic block.
4112
4113 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4114
4115         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4116         (graphite_can_represent_expr): Renamed from loop_affine_expr
4117         and enhanced.
4118         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4119         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4120         (scopdet_basic_block_info): Actually define entry_block.
4121         (stmt_simple_memref_p): Moved here from ...
4122
4123         * tree-data-ref.c (stmt_simple_memref_p): here.
4124         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4125
4126 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4127
4128         * gcc.dg/graphite/id-4.c: New.
4129
4130 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4133         (register_old_and_new_names): Update the content of the map.
4134         When there was already a rename_map_elt in the map at that
4135         location, free it.
4136         (copy_bb_and_scalar_dependences): Do rename_variables after
4137         expand_scalar_variables.
4138         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4139         of the map.  When there was already a rename_map_elt in the
4140         map at that location, free it.
4141         (translate_clast): Pass the rename_map.  Do not initialize and free
4142         a rename_map per stmt_user.
4143         (gloog): Initialize and free one rename_map and pass it to
4144         translate_clast.
4145
4146 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4147
4148         * sese.c (expand_scalar_variables_stmt,
4149         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4150         parameter.
4151         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4152         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4153         the gimple_stmt_iterator of the statement to be expanded.
4154         * graphite-scop-detection.c (is_simple_operand): Do handle
4155         REALPART_EXPR.
4156
4157 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4158
4159         * graphite-scop-detection.c (is_simple_operand): Do not handle
4160         REALPART_EXPR.
4161         * gcc.dg/graphite/id-2.c: New.
4162
4163         * graphite-sese-to-poly.c (build_bb_loops,
4164         add_value_to_dim, scan_tree_for_params_right_scev,
4165         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4166         find_params_in_bb, build_loop_iteration_domains,
4167         add_conditions_to_domain): Remove subtract.
4168
4169 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4170
4171         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4172         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4173         pbb_loop_at_index -> gbb_loop_at_index.
4174         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4175         (debug_loop_vec): Delete.
4176         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4177         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4178         (PBB_LOOPS): Removed.
4179         (PBB_BLACK_BOX): Insert cast.
4180         (pbb_set_black_box): New setter.
4181         (pbb_loop_at_index, pbb_loop_index): Removed.
4182         (scop_set_region, scop_set_nb_params): New.
4183         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4184         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4185         (build_poly_scop): Use scop_set_nb_params.
4186         * sese.h (gimple_bb): Add LOOPS.
4187         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4188
4189 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4190
4191         Revert previous commit.
4192
4193 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4194
4195         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4196         (register_old_and_new_names): Update the content of the map.
4197         When there was already a rename_map_elt in the map at that
4198         location, free it.
4199         (copy_bb_and_scalar_dependences): Do rename_variables after
4200         expand_scalar_variables.
4201         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4202         of the map.  When there was already a rename_map_elt in the
4203         map at that location, free it.
4204         (translate_clast): Pass the rename_map.  Do not initialize and free
4205         a rename_map per stmt_user.
4206         (gloog): Initialize and free one rename_map and pass it to
4207         translate_clast.
4208
4209 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4210
4211         Remove forgotten line in revert.
4212
4213 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4214
4215         Revert previous commit.
4216
4217 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4218
4219         * sese.c (register_old_and_new_names): Update the content
4220         of the map.  When there was already a rename_map_elt in the
4221         map at that location, free it.
4222         (copy_bb_and_scalar_dependences): Do rename_variables after
4223         expand_scalar_variables.
4224         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4225         of the map.  When there was already a rename_map_elt in the
4226         map at that location, free it.
4227         (translate_clast): Pass the rename_map.  Do not initialize and free
4228         a rename_map per stmt_user.
4229         (gloog): Initialize and free one rename_map and pass it to
4230         translate_clast.
4231
4232 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4233
4234         * graphite-clast-to-gimple.c (translate_clast): context_loop
4235         is never NULL.
4236
4237 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4238             Sebastian Pop  <sebastian.pop@amd.com>
4239
4240         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4241         of the use of ppl_Polyhedron_map_space_dimensions.
4242
4243 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4244             Sebastian Pop  <sebastian.pop@amd.com>
4245
4246         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4247         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4248         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4249         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4250         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4251         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4252         pbb_nb_params): New.
4253         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4254         nb_loops_around_pbb): Adapt return types.
4255
4256 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4257
4258         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4259         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4260         graphite-scop-detection.o, graphite-poly.o): Add
4261         more headers.
4262
4263 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4264
4265         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4266         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4267         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4268
4269 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4270
4271         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4272         * gcc.dg/graphite/pr37828.c: Same.
4273         * gcc.dg/graphite/pr37684.c: Same.
4274         * gcc.dg/graphite/block-0.c: Same.
4275         * gcc.dg/graphite/block-1.c: Same.
4276         * gcc.dg/graphite/block-2.c: Same.
4277         * gcc.dg/graphite/block-3.c: Same.
4278         * gcc.dg/graphite/block-4.c: Same.
4279         * gcc.dg/graphite/block-5.c: Same.
4280         * gcc.dg/graphite/block-6.c: Same.
4281         * gfortran.dg/graphite/pr38083.f90: Same.
4282         * gfortran.dg/graphite/block-1.f90: Same.
4283         * gfortran.dg/graphite/block-3.f90: Same.
4284         * gfortran.dg/graphite/pr37852.f90: Same.
4285         * gfortran.dg/graphite/block-4.f90: Same.
4286         * gfortran.dg/graphite/pr37980.f90: Same.
4287         * gfortran.dg/graphite/pr38953.f90: Same.
4288         * gfortran.dg/graphite/pr37857.f90: Same.
4289         * opts.c: Remove -floop-block from -O2.
4290         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4291         -floop-strip-mine are used.
4292
4293 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4294             Sebastian Pop  <sebastian.pop@amd.com>
4295
4296         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4297         dimensions.
4298         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4299         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4300         strip_mine_profitable_p, is_interchange_valid,
4301         graphite_trans_bb_block, graphite_trans_loop_block,
4302         graphite_trans_scop_block): Temporary removed.
4303         (extend_scattering, unify_scattering_dimensions): New.
4304         (print_scattering_function, graphite_read_transforms):
4305         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4306         (graphite_generate_scattering_fns): Removed.
4307         (apply_poly_transforms): Cleanup.
4308         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4309         (schedule_to_scattering): Moved.
4310         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4311         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4312         (pbb_nb_scattering): New.
4313         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4314         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4315         Removed.
4316         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4317         shift_poly.
4318         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4319         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4320         -> PBB_TRANSFORMED_SCATTERING.
4321         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4322         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4323         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4324         (check_poly_representation): Do not return bool.
4325         (graphite_transform_loops): Reformat.
4326         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4327
4328 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4329
4330         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4331         debug_pbb_domain, debug_pbb, debug_scop): New.
4332         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4333         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4334
4335 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4336
4337         PR middle-end/39335
4338         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4339         when the type precision of the induction variable should be
4340         larger than the type precision of nit.
4341         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4342         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4343         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4344
4345         * gcc.dg/graphite/pr39335_1.c: New.
4346         * gcc.dg/graphite/pr39335.c: New.
4347
4348 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4349
4350         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4351         SSA_NAMES not struct reduction_info.
4352
4353 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4354
4355         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4356
4357 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4358             Tobias Grosser  <grosser@fim.uni-passau.de>
4359
4360         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4361         (free_sese): Free SESE_REDUCTION_LIST.
4362         * sese.h (struct sese): Add field reduction_list.
4363         (SESE_REDUCTION_LIST): New.
4364         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4365         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4366
4367 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4368             Tobias Grosser  <grosser@fim.uni-passau.de>
4369
4370         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4371         of loop_p.
4372
4373 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4374             Tobias Grosser  <grosser@fim.uni-passau.de>
4375
4376         * tree-parloops.c (struct brli, build_reduction_list_info,
4377         analyze_reduction_list, gather_scalar_reductions): New.
4378         (loop_parallel_p): Build a reduction list containing only
4379         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4380         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4381         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4382         * tree-flow.h (gather_scalar_reductions): Declared.
4383
4384 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4385
4386         PR middle-end/39308
4387         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4388         number_of_iterations_exit from a gcc_assert.
4389
4390 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4391             Jan Sjodin  <jan.sjodin@amd.com>
4392
4393         * output.h (graphite_out_file, graphite_in_file): Declared.
4394         * toplev.c (graphite_out_file, graphite_in_file): New.
4395         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4396         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4397         Don't call schedule_to_scattering.
4398         * common.opt (fgraphite-write, fgraphite-read): New.
4399         * graphite-poly.c: Include output.h.
4400         (print_scattering_function, print_scattering_functions,
4401         debug_scattering_function, debug_scattering_functions,
4402         graphite_write_transforms, graphite_read_transforms,
4403         graphite_generate_scattering_fns): New.
4404         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4405         Call graphite_generate_scattering_fns, graphite_write_transforms,
4406         graphite_read_transforms.
4407         (new_poly_bb): Initialize PBB_SCATTERING.
4408         (free_poly_bb): Free PBB_SCATTERING.
4409         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4410         * graphite-poly.h (struct poly_bb): Add field scattering.
4411         (PBB_SCATTERING): New.
4412         (print_scattering_function, print_scattering_functions,
4413         debug_scattering_function, debug_scattering_functions): Declared.
4414         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4415         GMP values, not integers!
4416         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4417         ppl_read_polyhedron_matrix): New.
4418         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4419         debug_ppl_polyhedron_matrix,
4420         ppl_read_polyhedron_matrix): Declared.
4421         * Makefile.in (graphite-poly.o): Depends on output.h.
4422
4423 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4424             Tobias Grosser  <grosser@fim.uni-passau.de>
4425
4426         Revert this change:
4427         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4428         scalar evolutions in the scop_entry->loop_father.
4429
4430 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4431             Tobias Grosser  <grosser@fim.uni-passau.de>
4432
4433         * graphite.h (ref_nb_loops): Remove declaration.
4434         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4435         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4436         debug_gbb): Moved to sese.h.
4437         * sese.h: As said.
4438
4439 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4440             Tobias Grosser  <grosser@fim.uni-passau.de>
4441
4442         * graphite-data-ref.[ch]: Disable.
4443
4444 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4445             Tobias Grosser  <grosser@fim.uni-passau.de>
4446
4447         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4448         scalar evolutions in the scop_entry->loop_father.
4449
4450 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4451
4452         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4453         (graphite_cannot_represent_loop_niter): Renamed
4454         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4455         (limit_scops): build_sese_loop_nests does not return a bool.
4456         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4457         * sese.c (nb_reductions_in_loop): ... from here.
4458         (graphite_loop_normal_form): ... from here.
4459         (sese_record_loop): Does not fail, so does not return a bool.
4460         (build_sese_loop_nests): Same.
4461         * sese.h (build_sese_loop_nests): Update declaration.
4462         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4463         (build_graphite_loop_normal_form): New.
4464         (gloog): Call build_graphite_loop_normal_form.
4465         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4466         build_sese_loop_nests.
4467
4468         * gcc.dg/graphite/id-1.c: New.
4469
4470 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4471             Tobias Grosser  <grosser@fim.uni-passau.de>
4472
4473         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4474         The SCoP detection fix is sufficient.
4475
4476 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4477
4478         PR tree-optimization/39260
4479         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4480         the basic block contains a condition with a real type.
4481         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4482
4483         * gcc.dg/graphite/pr39260.c: New.
4484
4485 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4486
4487         * graphite-poly.c: Inlcude params.h.
4488         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4489         the size of a tile.
4490         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4491         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4492
4493 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4494             Tobias Grosser  <grosser@fim.uni-passau.de>
4495
4496         * graphite-scop-detection.c (dot_all_scops_1,
4497         dot_all_scops): Moved here.
4498         * graphite-scop-detection.h (dot_all_scops): Declared here.
4499         * graphite.c (graphite_initialize, graphite_finalize): New.
4500         (graphite_transform_loops): Cleaned up.
4501         * sese.c (debug_oldivs): Moved here.
4502         * graphite-poly.c (graphite_apply_transformations): Renamed
4503         apply_poly_transforms.
4504         (debug_loop_vec): Moved here.
4505         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4506         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4507         find_scop_parameters, build_scop_iteration_domain,
4508         add_conditions_to_constraints, build_scop_canonical_schedules,
4509         build_scop_data_accesses): Now static.
4510         (build_poly_scop, check_poly_representation): New.
4511
4512 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4513
4514         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4515         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4516         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4517         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4518         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4519         scan_tree_for_params, struct irp_data, dx_record_params,
4520         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4521         build_loop_iteration_domains, add_conditions_to_domain,
4522         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4523         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4524         build_sese_conditions, add_conditions_to_constraints,
4525         build_scop_iteration_domain, build_access_matrix_with_af,
4526         build_access_matrix,
4527         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4528
4529         * graphite-sese-to-poly.c: New.
4530         * graphite-sese-to-poly.h: New.
4531
4532         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4533
4534 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4535
4536         * graphite.c: Split graphite code generation to a new file.
4537         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4538         max_precision_type, clast_to_gcc_expression_red,
4539         clast_to_gcc_expression, gcc_type_for_clast_expr,
4540         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4541         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4542         graphite_create_new_guard, clast_get_body_of_loop,
4543         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4544         graphite_create_new_loop, build_iv_mapping, copy_renames,
4545         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4546         compute_cloog_iv_types, free_scattering, save_var_name,
4547         initialize_cloog_names, build_scop_context, build_cloog_prog,
4548         set_cloog_options, debug_clast_stmt, scop_to_clast,
4549         print_generated_program, debug_generated_program,
4550         gloog): Moved to graphite-clast-to-gimple.c.
4551
4552         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4553
4554         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4555         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4556         loop_iv_stack_pop, loop_iv_stack_get_iv,
4557         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4558         free_loop_iv_stack, loop_iv_stack_remove_constants,
4559         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4560         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4561         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4562         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4563         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4564         get_vdef_before_sese, sese_adjust_vphi,
4565         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4566         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4567         is_iv, expand_scalar_variables_ssa_name,
4568         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4569         expand_scalar_variables, rename_variables, remove_condition,
4570         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4571         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4572         default_liveout_before_guard, add_guard_exit_phis,
4573         insert_guard_phis, register_old_and_new_names,
4574         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4575         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4576         if_region_set_false_region, create_if_region_on_edge,
4577         move_sese_in_condition): Moved to sese.c.
4578
4579         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4580         if_region_exit, if_region_get_condition_block,
4581         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4582         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4583         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4584         ivtype_map_elt, new_ivtype_map_elt,
4585         recompute_all_dominators): Moved to sese.h.
4586
4587         * graphite-clast-to-gimple.c: New.
4588         * graphite-clast-to-gimple.h: New.
4589         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4590         * sese.c: Modified as said above.
4591         * sese.h: Same.
4592
4593 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4594
4595         * graphite.c: Split scop detection to a new file.
4596         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4597         move_sd_regions, loop_affine_expr, exclude_component_ref,
4598         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4599         graphite_cannot_represent_loop_niter, struct scopdet_info,
4600         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4601         find_single_entry_edge, find_single_exit_edge,
4602         create_single_entry_edge, sd_region_without_exit,
4603         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4604         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4605         Moved to graphite-scop-detection.c.
4606
4607         * graphite-scop-detection.c: New.
4608         * graphite-scop-detection.h: New.
4609         * Makefile.in: Add new rule for graphite-scop-detection.o.
4610
4611         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4612         tree-scalar-evolution.h.
4613         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4614         build_sese_loop_nests): Moved here from graphite.c.
4615         (param_index): Renamed parameter_index_in_region.
4616
4617 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4618             Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * gcc.dg/graphite/block-0.c: Expected to fail now.
4621         * gcc.dg/graphite/block-1.c: Same.
4622         * gcc.dg/graphite/block-5.c: Same.
4623         * gcc.dg/graphite/block-6.c: Same.
4624
4625 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4626             Sebastian Pop  <sebastian.pop@amd.com>
4627
4628         * graphite.h: Separate from graphite_bb_p the polyhedral
4629         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4630         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4631         graphite-data-ref.h.
4632         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4633         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4634         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4635         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4636         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4637         scop_nb_params): Moved to graphite-poly.h.
4638         * graphite-data-ref.c: Same.
4639         * graphite-data-ref.h: New.
4640         * graphite.c: Same.
4641         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4642         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4643         is_interchange_valid, graphite_trans_bb_block,
4644         graphite_trans_loop_block, scop_max_loop_depth,
4645         graphite_trans_scop_block, graphite_apply_transformations,
4646         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4647         graphite-poly.c.
4648         * graphite-poly.h: New.
4649         * graphite-poly.c: New.
4650         * Makefile.in (OBJS-common): Add graphite-poly.o.
4651         (graphite-poly.o): New rule.
4652         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4653         (DR_SCOP): Removed.
4654
4655 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4656             Tobias Grosser  <grosser@fim.uni-passau.de>
4657
4658         * graphite.c: Replace gb -> gbb.
4659         * graphite.h: Same.
4660         * graphite-data-ref.c: Same.
4661
4662 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4663             Tobias Grosser  <grosser@fim.uni-passau.de>
4664
4665         * Makefile.in (OBJS-commmon): Add sese.o.
4666         (sese.o): New.
4667         (graphite.o): Add sese.h.
4668         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4669         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4670         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4671         Move to sese.
4672         (block_before_scop): Add missing return.
4673         (new_scop, free_scop): Remove SESE data structures.
4674         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4675         find_scop_parameters, build_loop_iteration_domains,
4676         add_conditions_to_domain, register_scop_liveout_renames,
4677         copy_bb_and_scalar_dependences): Scop -> SESE.
4678
4679         (add_conditions_to_domain): SCoP -> SESE and remove check
4680         (scop_contains_non_iv_scalar_phi_nodes): New.
4681         (build_scop_conditions_1, build_scop_conditions): Remove check for
4682         non iv scalar phi nodes.
4683         (print_scop_statistics): New.
4684         (graphite_transform_loops): Cleanup.
4685
4686         * graphite.h: Move to sese & cleanup.
4687         * sese.c: New.
4688         * sese.h: New.
4689
4690 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4691             Tobias Grosser  <grosser@fim.uni-passau.de>
4692
4693         * graphite.c (build_scop_conditions_1): Conditions are only
4694         at the end of a basic block.
4695
4696 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4697             Tobias Grosser  <grosser@fim.uni-passau>
4698
4699         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4700         field.
4701         (GBB_ALPHA): Removed.
4702
4703 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4704             Tobias Grosser  <grosser@fim.uni-passau.de>
4705
4706         * graphite-data-ref.c (graphite_test_dependence): Don't use
4707         GBB_DYNAMIC_SCHEDULE.
4708         * graphite.c (new_graphite_bb): Same.
4709         (free_graphite_bb): Same.
4710         (build_scop_dynamic_schedules): Removed.
4711         (graphite_transform_loops): Don't call it.
4712         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4713         (GBB_DYNAMIC_SCHEDULE): Removed.
4714
4715 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4716             Tobias Grosser  <grosser@fim.uni-passau.de>
4717
4718         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4719         (print_graphite_bb): Same.
4720         (build_cloog_prog): Same.
4721
4722 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4723             Tobias Grosser  <grosser@fim.uni-passau.de>
4724
4725         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4726
4727 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4728             Tobias Grosser  <grosser@fim.uni-passau.de>
4729
4730         * graphite.c (build_scop_context): Don't use CloogMatrix.
4731         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4732         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4733
4734 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4735             Tobias Grosser  <grosser@fim.uni-passau.de>
4736
4737         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4738         liveout_renames, add_params fields...
4739         (struct sese): ... here.
4740         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4741         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4742
4743 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4744             Tobias Grosser  <grosser@fim.uni-passau.de>
4745
4746         * graphite.c (print_scop): Do not print the CLooG program.
4747         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4748         build_cloog_prog, gloog): Don't use SCOP_PROG.
4749         (find_transform): Renamed scop_to_clast.
4750         (print_generated_program, debug_generated_program): New.
4751         (graphite_transform_loops): Adapt to new interface.
4752         * graphite.h (struct scop): Remove program field.
4753         (SCOP_PROG): Removed.
4754         (print_generated_program, debug_generated_program): Declared.
4755
4756 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4757
4758         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4759         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4760         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4761         free_graphite_bb, build_scop_canonical_schedules,
4762         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4763         schedules are now represented using a ppl_Linear_Expression_t.
4764         * graphite.h (struct graphite_bb): Same.
4765         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4766         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4767
4768 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4769
4770         * graphite.c: Free local memory.
4771         * graphite-ppl.c: Same.
4772
4773 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4774
4775         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4776         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4777         swap_constraint_variables, scale_constraint_variable): Removed.
4778         (graphite_trans_bb_strip_mine): Remove pong.
4779         * graphite-ppl.c: Include missing header files.
4780         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4781         * graphite-ppl.h (ppl_strip_loop): Declared.
4782         * Makefile.in (graphite-ppl.o): Adjust dependences.
4783
4784 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4785
4786         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4787         (build_scop_iteration_domain): Same.
4788
4789 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4790
4791         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4792         ping pong.
4793         (add_value_to_dim, scan_tree_for_params_right_scev,
4794         scan_tree_for_params_int): New.
4795         * graphite-ppl.c (oppose_constraint): New.
4796         (insert_constraint_into_matrix): Implement missing cases.
4797         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4798
4799 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4800
4801         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4802         use ppl_move_dimension.
4803
4804 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4805
4806         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4807         * graphite.c: Same.
4808         * graphite.h: Same.
4809         * graphite-ppl.c: Same.
4810         * graphite-ppl.h: Same.
4811
4812 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4813
4814         Revert last 3 commits.
4815
4816 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4817
4818         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4819         ping pong.
4820         (add_value_to_dim, scan_tree_for_params_right_scev,
4821         scan_tree_for_params_int): New.
4822         * graphite-ppl.c (oppose_constraint): New.
4823         (insert_constraint_into_matrix): Implement missing cases.
4824         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4825
4826 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4827
4828         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4829
4830 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4831             Tobias Grosser  <grosser@fim.uni-passau.de>
4832
4833         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4834         use ppl_move_dimension.
4835         * graphite-ppl.c (ppl_move_dimension): New.
4836         * graphite-ppl.h (ppl_move_dimension): Declared.
4837
4838 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4839
4840         * graphite.c: Do not include cloog/cloog.h.
4841         (print_graphite_bb): Remove ping pong, call PPL print function.
4842
4843 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4844
4845         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4846         (graphite.o): Add dependence on graphite-ppl.h.
4847         (graphite-ppl.o): New.
4848         (graphite-data-ref.c): Ping pong between PPL data structures
4849         and matrices.
4850         * graphite-ppl.c: New.
4851         * graphite-ppl.h: New.
4852         * graphite.c: Include graphite-ppl.h.
4853         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4854         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4855         Ping pong between PPL data structures and matrices.
4856         (new_graphite_bb): Create a PPL constraint system.
4857         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4858         (build_loop_iteration_domains): Use PPL functions.
4859         * graphite.h: Include graphite-ppl.h.  Fix comments.
4860         (graphite_bb): Use a ppl_Constraint_System_t instead of
4861         CloogMatrix for representing the domain.
4862         (scop): Remove static_schedule.
4863         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4864
4865 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4866
4867         * graphite.c: Fix some comments.
4868
4869 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4870
4871         PR middle-end/38953
4872         * graphite.c (if_region_set_false_region): After moving a region
4873         in the false branch of a condition, remove the empty dummy
4874         basic block.
4875         (gloog): Remove wrong fix for PR38953.
4876
4877 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4878
4879         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4880         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4881         register_bb_in_sese, new_sese, free_sese): Moved.
4882         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4883         outermost_loop_in_scop, build_scop_iteration_domain,
4884         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4885         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4886         Use loop_in_sese_p instead of loop_in_scop_p.
4887         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4888         (free_scop): Do not free SCOP_BBS_B.
4889         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4890         ref_nb_loops): Moved here...
4891         * graphite.h (ref_nb_loops): ... from here.
4892         (struct scop): Remove bbs_b bitmap.
4893         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4894         * gcc.dg/graphite/scop-19.c: New
4895
4896 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4897
4898         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4899         detection.
4900
4901 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4902
4903         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4904         eq_loop_to_cloog_loop): Remove.
4905         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4906         * graphite.h (struct scop): Remove loop2cloog_loop.
4907         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4908
4909 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4910
4911         * opts.c (decode_options): Only add graphite options to O2
4912         if we compile with graphite enabled.
4913
4914 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4915
4916         * Merge from mainline (r143163:143684).
4917
4918 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4919
4920         * graphite.c (debug_value): Removed.
4921         * graphite.h (debug_value): Removed.
4922
4923 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4924
4925         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4926         after graphite: pass_copy_prop does not maintain a proper loop closed
4927         SSA form.  pass_copy_prop should be fixed.
4928
4929 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4930
4931         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4932
4933 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4934
4935         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4936         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4937         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4938         changed the CFG.
4939
4940 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4941
4942         * graphite.c (gloog): Return true when code gen succeeded.
4943         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4944         the code of the function did not changed.  After cleanup_tree_cfg
4945         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4946         form.
4947
4948 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4949
4950         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4951         gimple_call_lhs is NULL.
4952
4953 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4954             Tobias Grosser  <tobi.grosser@amd.com>
4955
4956         * graphite.c (graphite_trans_scop_block): Do not block single
4957         nested loops.
4958
4959 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4960             Tobias Grosser  <tobi.grosser@amd.com>
4961
4962         * graphite.c (build_scop_canonical_schedules): Start schedules at
4963         zero.
4964
4965 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4966             Tobias Grosser  <tobi.grosser@amd.com>
4967
4968         * graphite.c (compare_prefix_loops): New.
4969         (build_scop_canonical_schedules): Rewritten.
4970         (graphite_transform_loops): Move build_scop_canonical_schedules
4971         after build_scop_iteration_domain.
4972
4973 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4974             Tobias Grosser  <tobi.grosser@amd.com>
4975
4976         * graphite.c (add_conditions_to_domain): Add the loops to
4977         the dimension of the iteration domain.  Do copy the domain
4978         only when it exists.
4979         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4980         (add_conditions_to_constraints): New.
4981         (can_generate_code_stmt, can_generate_code): Removed.
4982         (gloog): Do not call can_generate_code.
4983         (graphite_transform_loops): Call add_conditions_to_constraints
4984         after building the iteration domain.
4985
4986 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4987             Tobias Grosser  <tobi.grosser@amd.com>
4988             Jan Sjodin  <jan.sjodin@amd.com>
4989
4990         * graphite.c (scan_tree_for_params): On substractions negate
4991         all the coefficients of the term.
4992         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4993         of more than two operands.
4994         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4995         (get_vdef_before_scop): Handle also the case of default definitions.
4996
4997 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4998
4999         PR middle-end/38431
5000         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5001         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5002         (gloog): Do not call cleanup_tree_cfg.
5003         (graphite_transform_loops): Call cleanup_tree_cfg after all
5004         scops have been code generated.
5005
5006 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5007
5008         * passes.c (init_optimization_passes): Schedule after
5009         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5010
5011 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5012
5013         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5014         Fix comment.
5015         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5016         Set the type of an expression to the type of its assign statement.
5017         (expand_scalar_variables_expr):  Do not pass loop_p.
5018         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5019         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5020         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5021
5022 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5023
5024         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5025         an expression to the gimple_expr_type of its assign statement.
5026         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5027         or tcc_declaration.
5028
5029 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5030
5031         PR tree-optimization/38786
5032         * gcc.dg/graphite/pr38786.c: New.
5033         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5034         the SSA_NAME case of expand_scalar_variables_expr.
5035         (expand_scalar_variables_expr): Also gather the scalar computation
5036         used to index the memory access.
5037         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5038         the gimple_stmt_iterator where it inserts new code.
5039
5040 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5041
5042         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5043
5044 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5045
5046         * opts.c (decode_options): Enable flag_graphite_identity and
5047         flag_loop_block in -O2 and above.
5048
5049 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5050
5051         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5052         Fix merge problem: replace with the file from trunk.
5053
5054 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5055
5056         * Merge from mainline (r141727:143163).
5057
5058 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5059             Jan Sjodin  <jan.sjodin@amd.com>
5060
5061         PR tree-optimization/38559
5062         * gcc.dg/graphite/pr38559.c: New.
5063
5064         * graphite.c (debug_value, copy_constraint,
5065         swap_constraint_variables, scale_constraint_variable, ): New.
5066         (get_lower_bound, get_upper_bound): Removed.
5067         (graphite_trans_bb_strip_mine): Clean up this code that works
5068         only for constant number of iterations.  Fully copy upper and
5069         lower bound constraints, not only the constant part of them.
5070         * graphite.h (debug_value): Declared.
5071
5072 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5073
5074         PR tree-optimization/38492
5075         PR tree-optimization/38498
5076         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5077         * tree-chrec.h (scev_is_linear_expression): Declared.
5078         * graphite.c (graphite_cannot_represent_loop_niter): New.
5079         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5080         (graphite_loop_normal_form): Use gcc_assert.
5081         (scan_tree_for_params): Use CASE_CONVERT.
5082         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5083         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5084         Use gcc_assert.  Discard scops that contain unhandled cases.
5085         (build_scop_conditions): Return a boolean status for unhandled cases.
5086         (strip_mine_profitable_p): Print the loop number, not its depth.
5087         (is_interchange_valid): Pass the depth of the loop nest, don't
5088         recompute it wrongly.
5089         (graphite_trans_bb_block): Same.
5090         (graphite_trans_bb_block): Print tentative of loop blocking.
5091         (graphite_trans_scop_block): Do not print that the loop has been
5092         blocked.
5093         (graphite_transform_loops): Do not handle scops that contain condition
5094         scalar phi nodes.
5095
5096         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5097         in trunk.
5098         * gcc.dg/graphite/block-0.c: Update test.
5099         * gcc.dg/graphite/block-1.c: Same.
5100         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5101         blocking.
5102         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5103         * gcc.dg/graphite/block-3.c: New.
5104         * gcc.dg/graphite/pr38498.c: New.
5105
5106 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5107
5108         PR tree-optimization/38510
5109         * gcc.dg/graphite/pr38510.c: New.
5110         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5111           (translate_clast): Call recompute_all_dominators before
5112           graphite_verify.
5113           (gloog): Call recompute_all_dominators before graphite_verify.
5114
5115 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5116
5117         PR tree-optimization/38492
5118         * graphite.c (rename_map_elt, debug_rename_elt,
5119         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5120         rename_map_elt_info, eq_rename_map_elts,
5121         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5122         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5123         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5124         (sese_build_livein_liveouts): New.
5125         (new_sese, free_sese): New.
5126         (new_scop): Call new_sese.
5127         (free_scop): Call free_sese.
5128         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5129         (register_old_new_names): Renamed register_old_and_new_names.
5130         (register_scop_liveout_renames, add_loop_exit_phis,
5131         insert_loop_close_phis, struct igp,
5132         default_liveout_before_guard, add_guard_exit_phis,
5133         insert_guard_phis, copy_renames): New.
5134         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5135         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5136         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5137         (scop_adjust_phis_for_liveouts): New.
5138         (gloog): Call scop_adjust_phis_for_liveouts.
5139
5140         * graphite.h (struct sese): Documented.  Added fields liveout,
5141         num_ver and livein.
5142         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5143         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5144         (struct scop): Added field liveout_renames.
5145         (SCOP_LIVEOUT_RENAMES): New.
5146
5147 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5148
5149         PR tree-optimization/38409
5150         * gcc.dg/graphite/pr38409.c: New.
5151         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5152
5153 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5154
5155         * graphite.c (gcc_type_for_cloog_iv): By default return
5156         integer_type_node.
5157         (graphite_create_new_loop): Don't fold_convert the already
5158         fold_convert-ed expression.
5159
5160 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5161
5162         PR tree-optimization/38446
5163         * gcc.dg/graphite/pr38446.c: New.
5164         * graphite.c (register_bb_in_sese): New.
5165         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5166         looking at the bbs in the region.
5167         * graphite.h (sese): Add region_basic_blocks pointer set to
5168         structure and initialize at the time of defining new scop.
5169
5170 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5171
5172         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5173         (find_params_in_bb): Do not free data refs.
5174         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5175
5176 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5177
5178         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5179         * gcc.dg/graphite/scop-17.c: Same.
5180         * gcc.dg/graphite/block-5.c: New.
5181         * gcc.dg/graphite/block-6.c: New.
5182         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5183         * gcc.dg/graphite/pr37684.c: Same.
5184         * gcc.dg/graphite/block-2.c: Same.
5185
5186         * graphite.c (struct ivtype_map_elt): New.
5187         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5188         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5189         gcc_type_for_cloog_iv): New.
5190         (loop_iv_stack_patch_for_consts): Use the type of the induction
5191         variable from the original loop, except for the automatically
5192         generated loops, i.e., in the case of a strip-mined loop, in
5193         which case there is no original loop: in that case just use
5194         integer_type_node.
5195         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5196         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5197         (clast_name_to_gcc): Accept params to be NULL.
5198         (clast_to_gcc_expression): Take an extra parameter for the type.
5199         Convert to that type all the expressions built by this function.
5200         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5201         (graphite_translate_clast_equation): Compute the type of the
5202         clast_equation before translating its LHS and RHS.
5203         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5204         (graphite_create_new_loop): Compute the type of the induction
5205         variable before translating the lower and upper bounds and before
5206         creating the induction variable.
5207         (rename_variables_from_edge, rename_phis_end_scop): New.
5208         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5209         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5210         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5211         compute_cloog_iv_types): New.
5212         (gloog): Call compute_cloog_iv_types before starting the
5213         translation of the clast.
5214
5215         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5216         (GBB_CLOOG_IV_TYPES): New.
5217         (debug_ivtype_map): Declared.
5218         (oldiv_for_loop): New.
5219
5220 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5221
5222         PR middle-end/38459
5223         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5224         (param_index): Assert if parameter is not know after parameter
5225         detection.
5226         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5227         (find_scop_parameters): Mark, that we have finished parameter
5228         detection.
5229         (graphite_transform_loops): Move condition detection before parameter
5230         detection.
5231         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5232         * gfortran.dg/graphite/pr38459.f90: New.
5233
5234 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5235
5236         * graphite.c (graphite_transform_loops): Always call find_transform ()
5237         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5238         generate code.
5239
5240 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5241
5242         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5243         (print_scop): Ditto.
5244
5245 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5246
5247         PR middle-end/38084
5248         Fix gfortran.dg/graphite/id-3.f90.
5249         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5250         regions more than once.
5251
5252 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5253
5254         Fix gfortran.dg/graphite/id-4.f90.
5255         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5256         when not needed.
5257
5258 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5259
5260         Fix gfortran.dg/graphite/id-1.f90.
5261         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5262         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5263         (max_precision_type): New.
5264         (value_clast): Removed.
5265         (clast_to_gcc_expression): Be more careful to types of expressions.
5266         Use max_precision_type and update use of gmp_cst_to_tree.
5267         (graphite_translate_clast_equation): Use max_precision_type.
5268         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5269         use the type of the condition.
5270         (graphite_create_new_loop): Do not use integer_type_node, use the
5271         max_precision_type of lb and ub.
5272
5273 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5274
5275         * graphite.c (build_scops_1): Initialize open_scop.exit
5276         and sinfo.last.
5277
5278 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5279
5280         * gcc.dg/graphite/pr38084.c: New.
5281         * gfortran.dg/graphite/id-1.f90: New.
5282         * gfortran.dg/graphite/id-2.f90: New.
5283         * gfortran.dg/graphite/id-3.f90: New.
5284         * gfortran.dg/graphite/id-4.f90: New.
5285         * gfortran.dg/graphite/pr37857.f90: New.
5286
5287 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5288             Jan Sjodin  <jan.sjodin@amd.com>
5289             Harsha Jagasia  <harsha.jagasia@amd.com>
5290
5291         PR middle-end/37852
5292         PR middle-end/37883
5293         PR middle-end/37928
5294         PR middle-end/37980
5295         PR middle-end/38038
5296         PR middle-end/38039
5297         PR middle-end/38073
5298         PR middle-end/38083
5299         PR middle-end/38125
5300
5301         * gcc.dg/graphite/pr38073.c: New.
5302         * gcc.dg/graphite/pr37928.c: New.
5303         * gcc.dg/graphite/pr37883.c: New.
5304         * gcc.dg/graphite/pr38125.c: New.
5305         * gfortran.dg/graphite/pr38083.f90: New.
5306         * gfortran.dg/graphite/pr37852.f90: New.
5307         * gfortran.dg/graphite/pr37980.f90: New.
5308
5309         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5310         the number of detected scops.  Copy exact same test for loop
5311         blocking...
5312         * gcc.dg/graphite/block-1.c: Fix the number of expected
5313         loops to be blocked as reductions are not handled.
5314         * gcc.dg/graphite/block-4.c: ...here.  New.
5315
5316         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5317         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5318         ...here.
5319         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5320         * Makefile.in (graphite.o): Depend on value-prof.h.
5321         (graphite.o-warn): Removed -Wno-error.
5322         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5323         to be a NULL pointer.  Call update_stmt.  Return the newly created
5324         cannonical induction variable.
5325
5326         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5327
5328         * graphite.c: Reimplement the code generation from graphite to gimple.
5329         Include value-prof.h.
5330         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5331         (get_old_iv_from_ssa_name): Removed.
5332         (graphite_stmt_p): New.
5333         (new_graphite_bb): Test for useful statements before building a
5334         graphite statement for the basic block.
5335         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5336         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5337         reason.
5338         (recompute_all_dominators, graphite_verify,
5339         nb_reductions_in_loop, graphite_loop_normal_form): New.
5340         (scop_record_loop): Call graphite_loop_normal_form.
5341         (build_scop_loop_nests): Iterate over all the blocks of the
5342         function instead of relying on the incomplete information from
5343         SCOP_BBS.  Return the success of the operation.
5344         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5345         (add_bb_domains): Removed.
5346         (build_loop_iteration_domains): Don't call add_bb_domains.
5347         Add the iteration domain only to the basic blocks that have been
5348         translated to graphite.
5349         (build_scop_conditions_1): Add constraints only if the basic
5350         block have been translated to graphite.
5351         (build_scop_data_accesses): Completely disabled until data
5352         dependence is correctly implemented.
5353         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5354         (remove_all_edges_1, remove_all_edges): Removed.
5355         (get_new_name_from_old_name): New.
5356         (graphite_rename_variables_in_stmt): Renamed
5357         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5358         Use replace_exp and update_stmt.
5359         (is_old_iv): Renamed is_iv.
5360         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5361         Use replace_exp and update_stmt.
5362         (expand_scalar_variables_expr): Same.  Use the map to get the
5363         new names for the renaming of induction variables and for the
5364         renaming of variables after a basic block has been copied.
5365         (expand_scalar_variables): Same.
5366         (graphite_rename_variables): Renamed rename_variables.
5367         (move_phi_nodes): Removed.
5368         (get_false_edge_from_guard_bb): New.
5369         (build_iv_mapping): Do not insert the induction variable of a
5370         loop in the renaming iv map if the basic block does not belong
5371         to that loop.
5372         (register_old_new_names, graphite_copy_stmts_from_block,
5373         copy_bb_and_scalar_dependences): New.
5374         (translate_clast): Heavily reimplemented: copy basic blocks,
5375         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5376         At each translation step call graphite_verify ensuring the
5377         consistency of the SSA, loops and dominators information.
5378         (collect_virtual_phis, find_vdef_for_var_in_bb,
5379         find_vdef_for_var_1, find_vdef_for_var,
5380         patch_phis_for_virtual_defs): Removed huge hack.
5381         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5382         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5383         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5384         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5385         if_region_get_condition_block, if_region_set_false_region,
5386         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5387         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5388         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5389         rewrite_into_sese_closed_ssa): New.
5390         (gloog): Remove dead code.  Early return if code cannot be
5391         generated.  Call cleanup_tree_cfg once the scop has been code
5392         generated.
5393         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5394         block loops with less than two loops.
5395         (graphite_apply_transformations): Remove the call to
5396         scop_remove_ignoreable_gbbs.
5397         (limit_scops): When build_scop_loop_nests fails, continue on
5398         the next scop.  Fix open_scop.entry.
5399         (graphite_transform_loops): Call recompute_all_dominators: force the
5400         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5401         Call initialize_original_copy_tables and free_original_copy_tables
5402         to be able to copy basic blocks during code generation.
5403         When build_scop_loop_nests fails, continue on next scop.
5404         (value_clast): New union.
5405         (clast_to_gcc_expression): Fix type cast warning.
5406
5407 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5408
5409         * Merge from mainline (r140838:141727).
5410
5411 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5412
5413         PR middle-end/37833
5414
5415         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5416
5417 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5418
5419         PR middle-end/37943
5420
5421         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5422         exits and conditions.
5423         * gcc.dg/graphite/pr37943.c: New.
5424
5425 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5426
5427         PR middle-end/37886
5428         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5429
5430 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5431
5432         * doc/invoke.texi: Fix spaces.
5433
5434 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5435
5436         PR tree-optimization/37891
5437         Reverted last commit.
5438         * graphite.c (create_single_entry_edge): Set
5439         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5440
5441 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5442             Mitul Thakkar  <mitul.thakkar@amd.com>
5443
5444         * graphite.c (create_single_entry_edge): Set
5445         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5446
5447 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5448
5449         * doc/invoke.texi: Add -fgraphite-identity.
5450         * graphite.c (graphite_apply_transformations): Check for
5451         -fgraphite-identity.
5452         * toplev.c (process_options): Add flag_graphite_identity.
5453         * tree-ssa-loop.c: Add flag_graphite_identity.
5454
5455 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5456
5457         Undo changes from 2008-10-02:
5458         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5459         operand type when copying the operand to a variable of different type.
5460         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5461         with the IV name after increment.
5462
5463 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5464             Harsha Jagasia  <harsha.jagasia@amd.com>
5465
5466         PR tree-optimization/37828
5467         * gcc.dg/graphite/pr37828.c: New.
5468         * graphite.c (graphite_trans_loop_block): Do not loop block
5469         single nested loops.
5470
5471 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5472             Sebastian Pop  <sebastian.pop@amd.com>
5473
5474         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5475         rename_map_elt_info, eq_rename_map_elts): New.
5476         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5477         (expand_scalar_variables_expr): Change parameters.
5478         (expand_scalar_variables_stmt): Same.
5479         (expand_scalar_variables): Same.
5480         (graphite_rename_ivs): Rename graphite_rename_variables.
5481         (build_iv_mapping): New.
5482         (translate_clast): Call build_iv_mapping.
5483         * graphite.h (gbb_p): New name.
5484
5485 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5486
5487         PR tree-optimization/37684
5488         * gcc.dg/graphite/pr37684.c: New.
5489         * graphite.c (exclude_component_ref): New.
5490         (is_simple_operand): Call exclude_component_ref.
5491
5492 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5493             Harsha Jagasia  <harsha.jagasia@amd.com>
5494
5495         PR tree-optimization/37485
5496         * gcc.dg/graphite/block-2.c: New
5497         * graphite.c (gmp_cst_to_tree): Moved.
5498         (iv_stack_entry_is_constant): New.
5499         (iv_stack_entry_is_iv): New.
5500         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5501         (loop_iv_stack_insert_constant): New.
5502         (loop_iv_stack_pop): Use new datatpype.
5503         (loop_iv_stack_get_iv): Same.
5504         (loop_iv_stack_get_iv_from_name): Same.
5505         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5506         (loop_iv_stack_patch_for_consts): New.
5507         (loop_iv_stack_remove_constants): New.
5508         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5509         (translate_clast): Call loop_iv_stack_patch_for_consts and
5510         loop_iv_stack_remove_constants.
5511         (gloog): Use new datatype.  Redirect construction edge to end
5512         block to avoid accidental deletion.
5513         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5514         iv stack entry.
5515         (union iv_stack_entry_data): New.  Data in iv stack entry.
5516         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5517
5518 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5519
5520         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5521         operand type when copying the operand to a variable of different type.
5522
5523 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5524
5525         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5526         with the IV name after increment.
5527
5528 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5529
5530         * Merge from mainline (r140164:140838).
5531
5532 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5533
5534         * graphite-data-ref.c: New.
5535         * graphite.c (print_scop): Also dump the dependence graph.
5536         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5537         (new_scop): Initialize SCOP_DEP_GRAPH.
5538         (build_scop_dynamic_schedules): New.
5539         (build_access_matrix_with_af): Fixed column numbering.
5540         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5541         * graphite.h: Add ifndef/define guards against multiple inclusion.
5542         (struct scop): Add dep_graph field.
5543         (SCOP_DEP_GRAPH): Defined.
5544         (ref_nb_loops): Fixed and moved to other position.
5545         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5546         (nb_loops_around_loop_in_scop): New.
5547         (graphite_dump_dependence_graph): Declared.
5548         (graphite_build_rdg_all_levels): Declared.
5549         (graphite_test_dependence): Declared.
5550         * Makefile.in (graphite-data-ref.o): New target.
5551
5552 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5553
5554         * Merge from mainline (139870:140164).
5555
5556 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5557
5558         * Merge from mainline (138275:139870).
5559         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5560         the commits from trunk broke the niter detection.
5561
5562 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5563
5564         * graphite.c: Add more documentation.  Fix formatting.
5565         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5566         loop_iv_stack_debug): Moved...
5567         (schedule_to_scattering): Move before use.
5568         (dot_all_scops): Include in "#if 0" the code for system
5569         call dotty.
5570
5571         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5572         loop_iv_stack_debug): ...here.
5573
5574 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5575
5576         * tree-phinodes.c (make_phi_node): Extern.
5577         (add_phi_node_to_bb): New.
5578         (create_phi_node): Call add_phi_node_to_bb.
5579         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5580         (remove_statement): Handle case where stored phi was updated
5581         and is no longer the same.
5582         * graphite.c (is_parameter): New.
5583         (is_old_iv): New.
5584         (expand_scalar_variables_expr): New.
5585         (expand_scalar_variables_stmt): New.
5586         (expand_scalar_variables): New.
5587         (move_phi_nodes): Create new phi instead of moving old one.
5588         (translate_clast): Call expand_scalar_variables.
5589         (find_vdef_for_var_in_bb): Also scan regular definitions.
5590         (skip_phi_defs): New.
5591         (collect_scop_exit_phi_args): New.
5592         (patch_scop_exit_phi_args): New.
5593         (gloog): Patch phis after scop.
5594         * tree-flow.h: (add_phi_node_to_bb): Declared.
5595         (make_phi_node): Declared.
5596
5597 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5598
5599         * graphite.c (end_scop): Split the entry of the scop when it
5600         is the header of the loop in which the scop is ending.
5601         (build_scops_1, limit_scops): Update uses of end_scop.
5602
5603 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5604
5605         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5606         SCOP_ENTRY or SCOP_EXIT.
5607
5608 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5609
5610         * graphite.c (get_construction_edge): Removed.
5611         (gloog): Construction edge is the scop entry edge.
5612
5613 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5614
5615         * graphite.c (can_generate_for_scop): Removed.
5616         (gloog): Do not call it.
5617
5618 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5619
5620         * graphite.c (new_scop): Entry of a scop is an edge.
5621         Initialize SESE region.
5622         (free_scop): Free SESE region.
5623         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5624         (split_difficult_bb): New, split from end_scop.
5625         (end_scop): Exit of a scop is an edge.
5626         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5627         not automatically updated and thus is always wrong.
5628         * graphite.h (struct sese): New.
5629         (SESE_ENTRY): New.
5630         (SESE_EXIT): New.
5631         (struct scop): New field for a SESE region.  Remove entry, exit.
5632         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5633         semantics as before.  Moved comment around.
5634
5635 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5636             Sebastian Pop  <sebastian.pop@amd.com>
5637
5638         * graphite.c (graphite_transform_loops): Always enable gloog
5639         and find_transform when ENABLE_CHECKING.
5640
5641 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5642
5643         * graphite.c (graphite_transform_loops): Move pretty printer
5644         of SCOPs before doing any transform.  Remove call to print_scops
5645         and dot_all_scops_1.
5646
5647 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5648
5649         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5650         (print_graphite_bb): Same.
5651
5652 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5653
5654         * graphite.c (dot_all_scops_1): Cleanup.
5655         (move_scops): Fix comment.
5656
5657 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5658
5659         * graphite.c (build_scop_bbs): Revert commit 139355:
5660
5661         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5662                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5663
5664                 * graphite.c (build_scop_bbs): Factor up code.
5665
5666 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5667
5668         * graphite.c (gloog): Update dominator info.
5669
5670 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5671
5672         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5673
5674 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5675
5676         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5677         initialization.
5678         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5679         (translate_clast): Correct formatting.
5680         * graphite.h (struct num_map): Removed.
5681         (struct graphite_bb): Remove num_map field.
5682         (GBB_INDEX_TO_NUM_MAP): Removed.
5683
5684 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5685
5686         * graphite.c (build_access_matrix_with_af): Fix comments.
5687         (build_scop_data_accesses): Same.
5688
5689 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5690
5691         * graphite.c (build_scop_data_accesses): Don't construct
5692         access matrices.  Add a FIXME and an assert condition that
5693         should pass when the access matrices will be needed.
5694
5695 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5696
5697         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5698         really_constant_p.
5699         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5700         Moved close by free_graphite_bb.
5701         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5702         (new_scop): Move close by free_scop.
5703         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5704
5705 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5706
5707         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5708         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5709         instead of recursive call.
5710         (graphite_translate_clast_equation): New.
5711         (graphite_create_guard_cond_expr): New.
5712         (graphite_create_new_guard): New.
5713         (get_stack_index_from_iv): Removed.
5714         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5715         (get_true_edge_from_guard_bb): New.
5716         (translate_clast): Handle stmt_guard in clast.
5717         (get_construction_edge): Allow construction edge detection for
5718         a scope entry with multiple predecessors if one predecessor is
5719         the immediate dominator of scope entry.
5720         (can_generate_code_stmt): Enable code generation for clast_guard.
5721         (gloog): Use correct context loop.  Removed check for post dominators.
5722         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5723
5724 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5725
5726         * graphite.c (remove_dead_loops): Document better which
5727         loops are removed.
5728
5729 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5730
5731         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5732         and PPLINC.
5733         (graphite.o): Also depends on pointer-set.h.
5734
5735 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5736
5737         * graphite.c (scop_record_loop): Fix compile warning.
5738
5739 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5740             Sebastian Pop  <sebastian.pop@amd.com>
5741
5742         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5743
5744 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5745
5746         * graphite.c (build_graphite_bb): Initialize bb->aux to
5747         point to the graphite_bb_p.
5748         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5749         content of bb->aux.
5750         (add_bb_domains): Does not use the scop parameter.
5751         (graphite_transform_loops): Clean bb->aux at the end.
5752
5753 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5754             Sebastian Pop  <sebastian.pop@amd.com>
5755
5756         * lib/target-supports.exp
5757         (check_effective_target_fgraphite): New.
5758
5759         * gcc.dg/graphite/graphite.exp: Early exit when
5760         check_effective_target_fgraphite returns false.
5761         Set dg-do-what-default to compile.
5762         (scan-graphite-dump-times): Removed.
5763         * gfortran.dg/graphite/graphite.exp: Same.
5764
5765         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5766         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5767         * gcc.dg/graphite/scop-1.c: Same.
5768         * gcc.dg/graphite/scop-2.c: Same.
5769         * gcc.dg/graphite/scop-3.c: Same.
5770         * gcc.dg/graphite/scop-4.c: Same.
5771         * gcc.dg/graphite/scop-5.c: Same.
5772         * gcc.dg/graphite/scop-6.c: Same.
5773         * gcc.dg/graphite/scop-7.c: Same.
5774         * gcc.dg/graphite/scop-8.c: Same.
5775         * gcc.dg/graphite/scop-9.c: Same.
5776         * gcc.dg/graphite/scop-10.c: Same.
5777         * gcc.dg/graphite/scop-11.c: Same.
5778         * gcc.dg/graphite/scop-12.c: Same.
5779         * gcc.dg/graphite/scop-13.c: Same.
5780         * gcc.dg/graphite/scop-matmult.c: Same.
5781         * gcc.dg/graphite/scop-14.c: Same.
5782         * gcc.dg/graphite/scop-15.c: Same.
5783         * gcc.dg/graphite/block-0.c: Same.
5784         * gcc.dg/graphite/scop-16.c: Same.
5785         * gcc.dg/graphite/block-1.c: Same.
5786         * gcc.dg/graphite/scop-17.c: Same.
5787         * gcc.dg/graphite/scop-18.c: Same.
5788         * gfortran.dg/graphite/block-1.f90: Same.
5789         * gfortran.dg/graphite/scop-1.f: Same.
5790         * gfortran.dg/graphite/block-2.f: Same.
5791
5792 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5793
5794         * graphite.c: Fix some XXX comments.
5795         (build_scop_dynamic_schedules): Removed.
5796
5797 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5798
5799         * graphite.h (scop_max_loop_depth): Moved...
5800         * graphite.c (scop_max_loop_depth): ...here.
5801         (remove_all_edges_1): New.
5802         (remove_all_edges): Factored code.
5803         (remove_cond_exprs): Check only the last statement for
5804         a GIMPLE_COND expression.
5805
5806 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5807
5808         * graphite.c (scan_tree_for_params): Early return when the
5809         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5810         (find_scop_parameters): Factor out code.
5811         (graphite_trans_bb_strip_mine): Remove dead code.
5812
5813 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5814
5815         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5816         graphite_trans_bb_move_loop): Factor asserts.
5817         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5818         Do not call calculate_dominance_info and estimate_bb_frequencies.
5819
5820 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5821
5822         * graphite.c (create_loops_mapping, free_loops_mapping,
5823         create_loops_mapping_num, debug_loop_mapping_1,
5824         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5825         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5826         graphite_loops_mapping_add_child_num,
5827         graphite_loops_mapping_insert_child,
5828         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5829         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5830         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5831         create_num_from_index, get_num_from_index,
5832         swap_loop_mapped_depth): Removed.
5833         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5834         (free_scop): Do not call free_loops_mapping.
5835         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5836         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5837         get_loop_mapped_depth.
5838         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5839         (graphite_trans_bb_strip_mine): Same.
5840         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5841         (struct scop): Remove field loops_mapping.
5842
5843 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5844             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5845
5846         * graphite.c (scop_record_loop): Factor out one level of the
5847         condition by early return.
5848         (build_scop_loop_nests): Format following FSF coding style.
5849         (build_scop_dynamic_schedules): Factor out code.
5850         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5851
5852 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5853             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5854
5855         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5856         assignments that are not handled as simple operands for now.
5857
5858 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5859             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5860
5861         * graphite.c (build_scop_bbs): Factor up code.
5862
5863 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5864             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5865
5866         * graphite.c (stmt_simple_for_scop_p): Factor code out
5867         of the loop.
5868         (enum gbb_type): New.  Group all the GBB_* types under it.
5869         (is_loop_exit): Moved...
5870         (end_scop): Enable BB spliting.
5871         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5872         * cfgloop.h (is_loop_exit): Declared.
5873
5874 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5875
5876         * doc/invoke.texi: Remove strides from examples containing
5877         DO loops when the strides are equal to 1.
5878
5879 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5880             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5881
5882         * graphite.c (graphite_trans_scop_block): Or the result with
5883         the result from graphite_trans_loop_block.
5884         * gcc.dg/graphite/block-1.c: New.
5885         * gfortran.dg/graphite/block-1.f90: New.
5886         * gfortran.dg/graphite/block-2.f: New.
5887
5888 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5889
5890         * graphite.c (graphite_transform_loops): Call cloog_initialize
5891         and cloog_finalize.
5892
5893 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5894
5895         * tree-data-ref.c) (stmt_simple_memref_p): New.
5896         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5897         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5898         (is_simple_operand): Call stmt_simple_memref_p.
5899
5900         * gcc.dg/graphite/scop-matmult.c: Updated for not
5901         using pointer arithmetic, as this is optimized by PRE and
5902         makes the code too difficult to analyze.
5903
5904         * gcc.dg/graphite/scop-18.c: Same.
5905
5906 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5907
5908         * gdbinit.in (pgg): New.
5909
5910 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5911
5912         * graphite.c (graphite_trans_loop_block): Fix warning.
5913
5914 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5915
5916         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5917
5918 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5919
5920         * graphite.c (graphite_trans_bb_block): Remove check for
5921         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5922         Check if loop blocking is profitable for every loop, before applying
5923         the changes.
5924         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5925         if flag_loop_block is set.
5926
5927 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5928
5929         * graphite.c: Add some more documentation for the loop
5930         mapping.
5931
5932 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5933
5934         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5935         * graphite.c: Format on less than 80 columns.
5936         * graphite.h: Same.
5937
5938 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5939
5940         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5941
5942 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5943
5944         * doc/invoke.texi (floop-block, floop-strip-mine,
5945         floop-interchange): Update documentation with examples.
5946
5947 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5948
5949         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5950         add_referenced_var.
5951         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5952
5953 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5954
5955         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5956         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5957         * tree-scalar-evolution.c: Revert useless changes.
5958         * tree-phinodes.c: Same.
5959         * cfghooks.c: Same.
5960         * vec.h: Same.
5961         * tree-vectorizer.h: Same.
5962         * tree-flow.h: Same.
5963         * tree-cfg.c: Same.
5964         * common.opt (fgraphite): Update documentation.
5965
5966 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5967
5968         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5969         -floop-interchange): Add more text for explaining what each of these
5970         flags is doing.
5971         * tree-into-ssa.c (gimple_vec): Moved to...
5972         * graphite.c: Include gimple.h.
5973         (gimple_vec): Moved to...
5974         (del_loop_to_cloog_loop): Removed.
5975         (loop_affine_expr): Do not call create_data_ref when the
5976         operand is a constant.
5977         (new_scop): Use free instead of del_loop_to_cloog_loop.
5978         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5979         * gimple.h (gimple_vec): ... here.
5980
5981 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5982
5983         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5984         latch executions.
5985         (build_loop_iteration_domains): Fail, if latch executions unknown.
5986
5987 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5988
5989         * graphite.c (add_conditions_to_domain): New.
5990         (build_scop_conditions_1): Call add_conditions_to_domain.
5991         (set_cloog_options): Allow to disable optimizations.
5992
5993 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5994
5995         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5996         Do not use walk_dominator_tree.
5997         (find_scop_parameters): Do not use walk_dominator_tree.
5998
5999 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6000
6001         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6002         (idx_record_params): Adapt.
6003         * graphite.h (scop_gimple_loop_depth): New.
6004
6005 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6006
6007         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6008         (scan_tree_for_params): Remove value_init.
6009         (build_scop_context): Remove value_init.
6010         (build_loop_iteration_domains): Remove value_init.
6011         (schedule_to_scattering): Remove value_init.
6012         (graphite_trans_bb_strip_mine): Remove value_init.
6013
6014 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6015
6016         * gcc/graphite.c (limit_scops): New.
6017         (graphite_transform_loops): Add limit SCoPs.
6018         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6019         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6020         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6021         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6022         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6023         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6024         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6025         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6026         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6027         Change loop numbers.
6028         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6029         Change loop numbers.
6030         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6031         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6032         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6033         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6034         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6035         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6036         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6037         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6038         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6039         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6040
6041 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6042
6043         * graphite.c (graphite_transform_loops): Call always find_transform.
6044
6045 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6046
6047         * graphite.c (free_loops_mapping): New.
6048         (stmt_simple_for_scop_p): Fix typo.
6049         (stmt_simple_for_scop_p): Fix tuples functions, that
6050         broke polyhedron.
6051         (free_graphite_bb): Fix some memleaks.
6052         (free_scop): Fix some memleaks.
6053         (scopdet_bb_info): Do not forget some tmp SCoPs.
6054         (find_params_in_bb): Fix some memleaks.
6055         (clast_to_gcc_expression): Fix warning.
6056
6057 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6058
6059         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6060         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6061
6062 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6063
6064         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6065         Move code ifdef-ed HAVE_cloog...
6066         * graphite.c: Include toplev.h.
6067         ... here.
6068         * Makefile.in (OBJS-common): Always build graphite.o.
6069         (BACKEND): Remove @GRAPHITE@.
6070         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6071         (graphite.o): Depend on TOPLEV_H.
6072
6073 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6074
6075         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6076         Remove typo left from polylib to ppl conversion.
6077         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6078
6079 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6080
6081         * toplev.c (process_options): Move the graphite loop optimization
6082         flags...
6083         * tree-ssa-loop.c (graphite_transforms): ... here.
6084         When not configured with CLooG, print to dump_file that
6085         Graphite transforms were not performed.
6086         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6087         New.
6088         * gcc.dg/graphite/*.c: Updated all testcases to use
6089         scan-graphite-dump-times.
6090
6091 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6092
6093         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6094         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6095
6096 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6097             Jan Sjodin  <jan.sjodin@amd.com>
6098
6099         * configure: Regenerated.
6100         * omp-low.c (expand_omp_sections): Remove now unused code.
6101         * config.in (HAVE_polylib): Removed.
6102         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6103         (PPLLIBS, PPLINC): Added.
6104         * graphite.c: Replace unsigned with int wherever possible.
6105         Don't access Cloog's data structures, but use accessor functions.
6106         Clast's stmt->type is now implemented as a vtable: change the
6107         switches of stmt->type into ifs.
6108         (polylib/polylibgmp.h): Don't include.
6109         (initialize_dependence_polyhedron,
6110         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6111         statement_precedes_p, test_dependence, build_rdg_all_levels,
6112         dump_dependence_graph): Removed until this code is cleaned up
6113         or ported to Cloog.
6114         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6115         (POLYLIBINC): Renamed PPLINC.
6116
6117 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6118             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6119             Jan Sjodin  <jan.sjodin@amd.com>
6120
6121         Finish the merge and tuplification of graphite.
6122
6123 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6124             Jan Sjodin  <jan.sjodin@amd.com>
6125
6126         Partial merge from mainline (138072:138275).
6127         * graphite.c still has to be tuplified.
6128
6129 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6130
6131         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6132         (create_num_from_index): New.
6133         (get_num_from_index): Also pass in the graphite BB.
6134         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6135         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6136         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6137         (is_interchange_valid): Return false when failing.
6138         * graphite.h (struct num_map): New.
6139         (struct graphite_bb): New field num_map.
6140         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6141
6142 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6143
6144         * graphite.c (dump_gbb_conditions): Print also conditions like
6145         "if (a)".  Remove dublicated code and use print_generic_expr ().
6146         (stmt_simple_for_scop_p): Only allow conditions we can handle
6147         {<, <=, >, >=}.
6148
6149 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6150
6151         * graphite.h (struct scop): Removed new_ivs field.
6152         (SCOP_NEWIVS): Deleted.
6153         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6154         clast_to_gcc_expression, graphite_create_new_loop):
6155         Removed use of new_ivs.
6156
6157 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6158
6159         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6160         create_loops_mapping_num, debug_loop_mapping_1): New.
6161         (debug_loop_mapping): Call debug_loop_mapping_1.
6162         (get_loop_mapping_for_num,
6163         graphite_loops_mapping_add_child,
6164         graphite_loops_mapping_add_child_num,
6165         graphite_loops_mapping_insert_child,
6166         graphite_loops_mapping_parent,
6167         split_loop_mapped_depth_for_num,
6168         loop_mapped_depth_split_loop): New.
6169         (increment_loop_mapped_depths): Removed.
6170         (swap_loop_mapped_depth_for_num): Reimplemented.
6171         (new_scop): Call create_loops_mapping.
6172         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6173         (translate_clast): Pass the old loop father in parameter, and pass
6174         it to get_old_iv_from_ssa_name.
6175         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6176         can_generate_code, can_generate_for_scop): New.
6177         (graphite_trans_bb_block): Returns false when it fails to transform.
6178         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6179
6180 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6181
6182         Reverted all the changes related to the streamization and
6183         loop fusion.
6184         These changes are now tracked in the streamization branch.
6185
6186 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6187             Jan Sjodin  <jan.sjodin@amd.com>
6188
6189         * graphite.c (gbb_compare): Correctly constify.
6190         (gbb_can_be_ignored): Indent.
6191         (graphite_trans_scop_swap_1and2): Add legality check.
6192         Remove dead FIXMEs.
6193
6194 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6195
6196         Remove fallouts from "Reverted the Condate changes".
6197         * tree.h: Remove unused decl.
6198         * gcc.dg/tree-checker: Same.
6199         * timevar.def: Remove counter.
6200
6201 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6202
6203         * Merge from mainline (135673:138072).
6204
6205         Reverted the MIRO changes (from 2008-04-05) that are now
6206         tracked in the miro branch.
6207         * tree-bounds.c: Removed.
6208         * tree-bounds.h: Removed.
6209
6210         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6211         are now tracked in the condate branch.
6212         * tree-check.c: Removed.
6213         * tree-match.c: Removed.
6214         * condate.y: Removed.
6215
6216 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6217
6218         * common.opt: New user flag -floop-block, -floop-strip-mine
6219         and -floop-interchange.
6220         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6221         graphite loop optimization flags is turned on.
6222         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6223         flag_loop_strip_mine and flag_loop_interchange checks before
6224         optimizations.
6225         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6226         -floop-strip-mine and -floop-interchange.
6227         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6228         -fgraphite.
6229         * gcc.dg/graphite/scop-16.c: Ditto.
6230         * gcc.dg/graphite/scop-17.c: Ditto.
6231         * gcc.dg/graphite/scop-18.c: Ditto.
6232
6233 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6234             Sebastian Pop  <sebastian.pop@amd.com>
6235
6236         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6237         (create_empty_loop_on_edge): More fixes.
6238         * tree-phinodes.c (resize_phi_node): Extern.
6239         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6240         * cfghooks.c (update_dominator_information): New split from
6241         split_edge.
6242         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6243         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6244         successor of the function entry block.
6245
6246         * graphite.c: Include pointer-set.h.
6247         (debug_loop_mapping, increment_loop_mapped_depths,
6248         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6249         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6250         swap_loop_mapped_depth_for_num, get_num_from_index,
6251         swap_loop_mapped_depth, loop_iv_stack_debug,
6252         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6253         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6254         get_old_iv_from_ssa_name): New.
6255         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6256         (free_scop): Free SCOP_LOOPS_MAPPING.
6257         (scop_record_loop): Record old ivs.
6258         (create_var_name): Removed.
6259         (initialize_cloog_names): Allocate double space in case strip mine
6260         applies to all loops once.
6261         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6262         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6263         translation.
6264         (graphite_create_new_loop): Pass in ivstack.
6265         (remove_all_edges): Pass in the construction_edge.
6266         (graphite_remove_iv): Removed.
6267         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6268         remove_cond_exprs): Rewritten.
6269         (move_phi_nodes): New.
6270         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6271         (translate_clast): Pass in ivstack.  Rewrite some cases.
6272         (set_cloog_options, debug_clast_stmt): New.
6273         (find_transform): Use set_cloog_options.
6274         (outermost_loop_layer): Removed.
6275         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6276         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6277         mark_old_loops, remove_dead_loops): New.
6278         (gloog): Rewritten.
6279         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6280         (const_column_index, get_first_matching_sign_row_index,
6281         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6282         get_upper_bound): New.
6283         (graphite_trans_bb_strip_mine): Also update the iv map.
6284
6285         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6286         (struct name_tree): Add a loop field.
6287         (struct scop): Add a graphite_loops_mapping field.
6288         (SCOP_LOOPS_MAPPING): New.
6289         (debug_clast_stmt): Declare.
6290         * lambda.h (find_induction_var_from_exit_cond): Declare.
6291         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6292         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6293         (create_empty_loop_on_edge): Updated.
6294         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6295         rename_variables_in_bb): Declare.
6296         * tree-cfg.c (remove_bb): Extern.
6297
6298         * gcc.dg/graphite/block-0.c: New.
6299
6300 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6301             Sebastian Pop  <sebastian.pop@amd.com>
6302
6303         * graphite.c (strip_mine_profitable_p): New.
6304         (graphite_trans_bb_block): Disable strip mining if not profitable.
6305
6306         * gcc.dg/graphite/scop-18.c: New.
6307         * gcc.dg/graphite/scop-17.c: Fixed.
6308         * gcc.dg/graphite/scop-16.c: Fixed.
6309
6310 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6311             Jan Sjodin  <jan.sjodin@amd.com>
6312             Sebastian Pop  <sebastian.pop@amd.com>
6313
6314         * graphite.c (is_interchange_valid): New.
6315         (graphite_trans_bb_block): Check loop nest of basic block for legality
6316         of interchange.
6317
6318         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6319         outer_most_loop, gbb_outer_most_loop_index): New.
6320
6321         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6322         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6323         * gcc.dg/graphite/scop-16.c: New.
6324         * gcc.dg/graphite/scop-17.c: New.
6325
6326 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6327
6328         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6329         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6330
6331 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6332
6333         * graphite.c (new_scop): Initialize SCOP_EXIT.
6334         (scopdet_info): Add.
6335         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6336         (build_scops_1): Cleanup, bugfixes.
6337         (build_scops): Cleanup.
6338
6339         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6340         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6341
6342 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6343
6344         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6345
6346         * gfortran.dg/graphite/graphite.exp: Use
6347         DEFAULT_GRAPHITE_FLAGS.
6348
6349         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6350
6351 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6352
6353         * graphite.c (scan_tree_for_params): Do not assert any more if
6354         MULT_EXPR parameter is negative.
6355
6356         * gfortran.dg/graphite/scop-1.f: New.
6357
6358         * gfortran.dg/graphite/graphite.exp: New.
6359
6360         * gcc.dg/graphite/scop-15.c: New.
6361
6362 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6363
6364         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6365
6366 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6367
6368         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6369         graphite_swap_loops.
6370         (graphite_trans_bb_move_loop): New.
6371         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6372         (graphite_trans_bb_block): New.
6373         (graphite_trans_loop_block): New.
6374         (graphite_trans_scop_swap_1and2): Rename from
6375         graphite_trans_swap_1and2.
6376         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6377         (graphite_trans_scop_block): New.
6378         (graphite_apply_transformations): Rename from
6379         graphite_transformations.
6380
6381         * gcc.dg/graphite/scop-matmult.c: New.
6382
6383 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6384
6385         * graphite.c (gbb_compare): New.
6386         (graphite_sort_gbbs): New.
6387         (gbb_can_be_ignored): New.
6388         (scop_remove_ignoreable_gbbs): New.
6389         (graphite_transformations): Cleanup and add
6390         scop_remove_ignoreable_gbbs.
6391         * lambda.h (lambda_vector_compare): New.
6392
6393 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6394
6395         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6396         (graphite_swap_loops): int -> unsigned
6397         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6398         (graphite_transformations): New.
6399         (graphite_transform_loops): Move to graphite_transformations.
6400         * graphite.h (gbb_nb_loops): Return unsigned.
6401
6402 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6403
6404         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6405         the domain matrix.  This makes scop-0.c work again.
6406
6407 2008-06-20  Richard Guenther  <rguenther@suse.de>
6408
6409         * graphite.h: Adjust copyright to GPLv3.
6410         * graphite.c: Likewise.
6411         (stmt_simple_memref_for_scop_p): Split out from ...
6412         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6413         and simplify.
6414         (get_bb_type): Optimize.
6415         (is_pred): Remove.
6416         (is_bb_addable): Fix memleak, replace is_pred call with
6417         single_pred.
6418         (build_scops): Use current_loops.
6419         (param_index): Fix memleak.
6420
6421 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6422
6423         * graphite.c: Fix formatting.
6424
6425 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6426
6427         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6428         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6429         (create_var_name, save_var_name): Newly defined functions.
6430         (initialize_cloog_names): Part of the code factored out to
6431         save_var_name.
6432         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6433         in clast_reduction statement.
6434         (graphite_create_new_loop): Now takes a new parameter
6435         for outer_loop.
6436         (translate_clast): Now also takes the context_loop and bb_exit
6437         parameters. Rewritten the code so that it creates a gimple code
6438         inside the given context.
6439         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6440         remove_cond_expr, disconnect_cond_expr,
6441         disconnect_virtual_phi_nodes): Newly defined functions.
6442         * graphite.h (struct scop): added old_ivs vector.
6443         SCOP_OLDIVS: New macro.
6444
6445 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6446
6447         * cfgloopmanip.c: Add missing function comments, fix formatting.
6448
6449 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6450
6451         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6452         (create_empty_loop_on_edge): Defined.
6453         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6454         instead of void.
6455         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6456         (update_dominators_in_loop): Declared as extern
6457         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6458
6459 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6460
6461         * graphite.c (print_graphite_bb): Allow changing number of loops
6462         in SCoP domain.
6463         (initialize_cloog_names): Allow changing number of loops.
6464         (build_cloog_prog): Simplify.
6465         (find_transform): Enable cloog option --strides.
6466         (graphite_swap_loops): New.
6467         (graphite_strip_mine_loop): New.
6468         (graphite_trans_swap_1and2): New.
6469         (graphite_trans_strip): New.
6470         (graphite_transform_loops): Add graphite_trans_strip.
6471         * graphite.h (scop_max_loop_depth): New.
6472
6473 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6474
6475         * graphite.c (build_scop_iteration_domain): Remove forgotten
6476         line. (Fixes compile)
6477
6478 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6479
6480         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6481         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6482         (build_bb_loops): New.
6483         (graphite_transform_loops): Add build_bb_loops.
6484         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6485         numbers.
6486         * graphite.h (graphite_bb): Add loops.
6487         (gbb_nb_loops): New.
6488         (gbb_loop_at_index): New.
6489         (gbb_loop_index): New.
6490         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6491         using nb_params_in_scop.
6492
6493 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6494
6495         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6496         (build_scop_canonical_schedules): Build minimized schedule.
6497         (schedule_to_scattering): Adapt to minimized schedule.
6498         * graphite.h (graphite_bb): Add/Update descriptions.
6499
6500 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6501             Tobias Grosser  <grosser@fim.uni-passau.de>
6502
6503         * graphite.c (print_graphite_bb): Add condition printing.
6504         (dump_value): New.
6505         (dump_gbb_conditions): New.
6506         (build_scop_conditions_1): New.
6507         (build_scop_conditions): New.
6508         * graphite.h (graphite_bb): Add conditions.
6509
6510 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6511
6512         * graphite.c (print_graphite_bb):
6513         (free_graphite_bb): New.
6514         (free_scop): Free bbs.
6515         (get_bb_type): Free doms.
6516         (build_scop_context): Free context matrix.
6517         (build_loop_iteration_domains): Remove unused code.
6518         (build_cloog_prog): Free scattering function and blocklist.
6519         (find_transform): Free options.
6520
6521 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6522
6523         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6524         Remove unnecessery cloog data structures. Make a copy of the domain
6525         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6526         unnecessary cloog data structures. Fix memory leaks. Remove insert
6527         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6528         used.
6529         (build_scop_iteration_domain): Remove unnecessary cloog
6530         data structures.  Fix memory leaks.
6531         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6532         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6533
6534 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6535
6536         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6537
6538 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6539
6540         * graphite.c (end_scop): Style fix.
6541         (schedule_to_scattering): Style and comment fix.
6542
6543 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6544         * graphite.c (print_graphite_bb): Fix definiton of
6545         schedule_to_scattering.
6546         (initialize_cloog_names): Change nb_scattdims to max loop
6547         depth in SCoP.
6548         (schedule_to_scattering): Take parameter for number of scattering
6549         dimensions.
6550         (build_cloog_prog): Only build as much scattering dimensions as
6551         necessary.
6552
6553 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6554
6555         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6556         in polyhedron/aermod.f90.
6557
6558 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6559             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6560             Harsha Jagasia  <harsha.jagasia@amd.com>
6561
6562         * graphite.c (is_bb_addable): Fix segfault.
6563
6564 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6565
6566         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6567         with multiple exits and conditional handling in edge cases.
6568         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6569
6570         * gcc.dg/graphite/scop-14.c: New.
6571
6572 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6573             Adrien Eliche  <aeliche@isty.uvsq.fr>
6574
6575         * graphite.c (is_bb_addable): Add more comments and enhance
6576         readablity of the source code. Fix memory leak.
6577         (is_loop_exit): Fix memory leak.
6578
6579 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6580
6581         * graphite.c (first_loop_in_scop): Deleted.
6582         (setup_cloog_loop): Only walk the loop chain for inner loops.
6583         (build_scop_iteration_domain): Execute setup_cloog_loop for
6584         all loops in the first layer.
6585
6586 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6587
6588         * graphite.c (scan_tree_for_params): Change the way params are
6589         added to be indepenent of the number of loops.
6590         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6591         handling.
6592         (build_cloog_prog): Revert to short matrix format.
6593
6594 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6595             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6596
6597         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6598         warning.
6599
6600 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6601
6602         * graphite.c (nb_data_refs_in_scop): New.
6603         (graphite_transform_loops): Print more stats: number of
6604         loops, basic blocks and data references per scop.
6605
6606 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6607             Jan Sjodin  <jan.sjodin@amd.com>
6608
6609         * graphite.c (loop_affine_expr, idx_record_params,
6610         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6611         instead of instantiate_parameters.
6612
6613 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6614
6615         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6616         add support for parameters, add STATIC_SCHEDULE at the right places,
6617         cleanup.
6618
6619 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6620
6621         * graphite.c (build_scop_loop_nests): Only add the loops, that
6622         are contained completely in the SCoP.
6623         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6624         and the domains are fixed.
6625         (build_scop_canonical_schedules): Add support for bbs not contained
6626         in any SCoP.
6627
6628 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6629
6630         * graphite.h (scop_contains_loop): Update comments to match
6631         the actual behavior.
6632         (scop_contains_loop): New.
6633         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6634
6635 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6636
6637         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6638         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6639         as GBB_COND_HEADER.
6640
6641 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6642             Tobias Grosser  <grosser@fim.uni-passau.de>
6643
6644         * graphite.c (graphite_transform_loops): Early return when
6645         there are no loops in the function.
6646
6647 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6648             Jan Sjodin  <jan.sjodin@amd.com>
6649
6650         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6651         offset of the last loop.
6652         (setup_cloog_loop): Copy the entire outer constraint matrix.
6653
6654 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6655             Jan Sjodin  <jan.sjodin@amd.com>
6656
6657         * graphite.c (stmt_in_scop_p, function_parameter_p,
6658         invariant_in_scop_p): Removed.
6659         (scan_tree_for_params): Can be used with no constraint
6660         matrix for gathering parameters.
6661         (idx_record_params): Don't use idx_record_param, instead use
6662         scan_tree_for_params.
6663         (find_scop_parameters): Same.
6664         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6665         Fix the size of loop domains.
6666         (schedule_to_scattering): Exit when the outer loop is not in scop.
6667         (find_transform): Enable build_cloog_prog.
6668
6669 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6670             Jan Sjodin  <jan.sjodin@amd.com>
6671
6672         * graphite.c (schedule_to_scattering): Make scattering domains
6673         uniformly of the same size, as required by CLooG 0.14.0 and before.
6674
6675 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6676             Jan Sjodin  <jan.sjodin@amd.com>
6677
6678         * graphite.c (schedule_to_scattering): Rewrite, correct the
6679         translation of the scheduling function to scattering.
6680         (build_cloog_prog): Call schedule_to_scattering only once.
6681         * graphite.h (scop_loop_index): Do not fail for loops not
6682         in the scop: return -1.
6683
6684 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6685
6686         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6687         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6688         (setup_cloog_loop): Export GBB_DOMAIN.
6689         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6690         able to rebuild the original control flow.
6691         * graphite.h (graphite_bb): Add domain field and access macro.
6692         (GBB_DOMAIN): New.
6693
6694 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6695
6696         * graphite.c (debug_gbb): New.
6697         (print_scop, build_graphite_bb): Use SCOP_BBS.
6698         (build_scop_bbs): Reimplemented.
6699         (dfs_bb_in_scop_p): Removed.
6700         (build_scop_loop_nests): Reorder loops inserted in
6701         SCOP_LOOP_NEST: outer loops should come first.
6702         (build_scop_canonical_schedules): Reinitialize at zero
6703         the components of the SCOP_STATIC_SCHEDULE for the loops
6704         that have already been parsed.
6705
6706         * graphite.h (debug_gbb): Declared.
6707
6708 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6709             Jan Sjodin  <jan.sjodin@amd.com>
6710
6711         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6712         (graphite_loop_to_gcc_loop): Removed.
6713         (remove_all_edges): New.
6714         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6715         (gloog): Remove useless code.
6716
6717 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6718
6719         * graphite.c (get_bb_type): Reworked. We distinguish between
6720         loops with one or multiple exits.
6721         (is_loop_exit): New.
6722         (is_pred): New.
6723         (is_bb_addable): Rework condition handling, now support for case
6724         case statements and loops with multiple exits.
6725
6726         * gcc.dg/graphite/scop-11.c: New.
6727         * gcc.dg/graphite/scop-12.c: New.
6728         * gcc.dg/graphite/scop-13.c: New.
6729
6730 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6731
6732         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6733         we have too many colors.
6734
6735 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6736
6737         * doc/invoke.texi (-ftree-loop-fusion): Document.
6738         * tree-pass.h (pass_loop_fusion): Declared.
6739         * tree-loop-fusion.c: New.
6740         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6741         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6742         * tree-data-ref.h (find_data_references_in_loop): Declared.
6743         * common.opt (ftree-loop-fusion): Declared.
6744         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6745
6746 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6747
6748         * graphite.c (build_access_matrix): Fix typo from the merge.
6749
6750 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6751
6752         * Merge from mainline (130800:135673).
6753
6754 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6755
6756         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6757         Update dominators after splitting.
6758
6759 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6760
6761         * graphite.c (is_bb_addable): Return the harmful statement.
6762         Factor up some code.
6763         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6764         (build_scops_1): Call end_scop.
6765
6766 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6767
6768         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6769         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6770         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6771         build_scops_1): Removed.
6772         (build_scops_2): Renamed build_scops_1.
6773
6774 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6775
6776         * graphite.c: Fix formatting.
6777
6778 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6779
6780         * graphite.c (get_bb_type): New.
6781         (move_scops): New.
6782         (build_scops_2): New.
6783         (is_bb_addable): New.
6784         (build_scops): Switch the scop detection.
6785         (build_scop_bbs): Add entry bb to scop.
6786         * graphite.h (struct scop): Update comment.
6787
6788 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6789
6790         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6791         more colors.
6792
6793 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6794
6795         * gcc.dg/graphite/scop-1.c: Update.
6796         * gcc.dg/graphite/scop-2.c: Update.
6797         * gcc.dg/graphite/scop-4.c: Update.
6798         * gcc.dg/graphite/scop-5.c: Add.
6799         * gcc.dg/graphite/scop-6.c: Add.
6800
6801 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6802
6803         * gcc.dg/graphite/scop-0.c: Add.
6804         * gcc.dg/graphite/scop-7.c: Add.
6805         * gcc.dg/graphite/scop-8.c: Add.
6806         * gcc.dg/graphite/scop-9.c: Add.
6807         * gcc.dg/graphite/scop-10.c: Add.
6808
6809 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6810
6811         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6812         Check affine expressions depending on the outermost loop
6813         instead of a scop.
6814         (stmt_simple_for_scop_p): Same.
6815         (harmfule_stmt_in_scop): Same.
6816
6817 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6818
6819         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6820         mark entry and exit, that are not part of the SCoP and update HTML
6821         formatting.
6822
6823 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6824
6825         * graphite.c (basic_block_simple_for_scop_p): Renamed
6826         harmful_stmt_in_bb.
6827         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6828         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6829         (all_preds_visited_p, all_succs_visited_p,
6830         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6831         scop_end_loop): New.
6832         (build_scops): Do not use dfs_enumerate_from.
6833
6834         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6835
6836 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6837
6838         * graphite.c: Add comments to functions that are missing a
6839         description.
6840         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6841
6842 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6843
6844         * graphite.c (nb_params_in_scop): Moved...
6845         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6846         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6847         (clast_to_gcc_expression): Reduce column size to less than 80.
6848         (graphite_create_iv): Return the new name of the IV.
6849         (find_transform): Set options->esp and options->cpp.
6850         (gloog): Comment out the invalidation of the old loop code.
6851         (initialize_dependence_polyhedron): Replace scop_nb_params with
6852         nb_params_in_scop.
6853
6854         * graphite.h (nb_params_in_scop): ... here.
6855         (scop_nb_params): Removed.
6856         (loop_domain_dim): Return something even when the loop was not
6857         found in the hash table: avoid ICEing on all the graphite.exp
6858         testcases.
6859
6860 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6861
6862         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6863
6864         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6865         according to nesting level.
6866         (find_scop_parameters): Call instantiate_parameters.
6867         (scan_tree_for_params): Extend it to handle general affine bounds.
6868         Inner loop bound can depend on outer loop induction variable.
6869         (setup_cloog_loop): tmp variable is allocated on stack. Call
6870         instantiate_parameters with respect to outermost_loop_in_scop.
6871         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6872         graphite.h.
6873         (create_empty_loop): Function loopify should be given edge
6874         probability, instead of edge frequency. Dominance relation from
6875         switch_bb to loop_header.
6876         (clast_to_gcc_expression): Added handling of clast_reduction node.
6877         (gloog): New functionality for removing old loop.
6878         (test_dependence): Factored out from build_rdg_all_levels.
6879         (build_rdg_all_levels): Dependence testing factored out to
6880         test_dependence function.
6881
6882         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6883         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6884         from graphite.c
6885
6886 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6887
6888         * graphite.c (free_scop, param_index, initialize_cloog_names,
6889         nb_params_in_scop): Use name_tree map instead of just a tree
6890         for keeping track of the variable name associated to that tree.
6891         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6892         clast_to_gcc_expression, graphite_create_iv,
6893         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6894         graphite_stmt_to_gcc_stmt): New.
6895         (gloog): Call these.
6896         * graphite.h (struct name_tree): New.
6897         (struct scop): Use name_tree instead of tree for params.
6898         Store a vector of name_tree for new_ivs.
6899         (SCOP_NEWIVS): New.
6900         (scop_nb_params): Use name_tree instead of tree.
6901
6902 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6903             Sebastian Pop  <sebastian.pop@amd.com>
6904
6905         * tree-bounds.c: New.
6906         * tree-bounds.h: New.
6907         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6908         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6909         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6910         flag_mudflap.
6911         * gcc.c: Same.
6912         * toplev.c: Same.
6913         * c-cppbuiltin.c: Same.
6914         * c-pragma.c: Same.
6915         * common.opt: Same.
6916         * varasm.c: Same.
6917         * tree-outof-ssa.c: Same.
6918         * c-common.c: Same.
6919         * Makefile.in: Same.
6920
6921 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6922             Sebastian Pop  <sebastian.pop@amd.com>
6923
6924         * tree-loop-distribution.c (remaining_stmts,
6925         upstream_mem_writes): Removed static variables.
6926         (copy_loop_before, create_bb_after_loop,
6927         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6928         rdg_build_components, rdg_build_partitions,
6929         dump_rdg_partitions): Extern.
6930         (generate_loops_for_partition, generate_code_for_partition): Do not
6931         return a bool.
6932         (already_processed_vertex_p, predecessor_has_mem_write,
6933         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6934         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6935         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6936         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6937         Pass remaining_stmts and upstream_mem_writes as parameters.
6938         (rdg_component): Moved...
6939         (build_rdg_partition_for_component): Do not aggregate components when
6940         flag_streamize_loops is set.
6941         (gen_sequential_loops): New.
6942         (ldist_gen): Call gen_sequential_loops.
6943
6944         * tree-pass.h (pass_loop_streamization): Declared.
6945
6946         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6947         basic blocks when loops structures exist.
6948
6949         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6950
6951         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6952
6953         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6954         eliminate_local_variables_stmt, eliminate_local_variables,
6955         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6956         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6957         of code delimited by two edges in the CFG.
6958         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6959         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6960         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6961         the case of parallelisation of reductions.
6962         (create_loop_fn): Extern.
6963         (create_omp_parallel_region): New.
6964
6965         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6966         dump_data_reference for printing dra and drb.
6967         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6968         RDGE_RELATION.
6969         (build_rdg): Don't call free_dependence_relations for the moment, as
6970         we attach dependence relations on each edge of the RDG.
6971         To be fixed later.
6972
6973         * tree-data-ref.h (rdg_component): ...here.
6974         (struct rdg_edge): New field ddr_p relation.
6975         (RDGE_RELATION): New.
6976         (create_bb_after_loop, copy_loop_before,
6977         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6978         rdg_build_partitions, dump_rdg_partitions,
6979         free_rdg_components): Declared.
6980
6981         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6982         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6983
6984         * tree-loop-streamization.c: New.
6985
6986         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6987         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6988
6989         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6990
6991         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6992
6993         * passes.c: Schedule pass_loop_streamization.
6994
6995 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6996
6997         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6998         update comment.
6999
7000 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7001
7002         * graphite.c (dot_all_scops): Update formatting.
7003         Bbs can now be part of more than one SCoP.
7004
7005 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7006
7007         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7008         malloc problems.
7009         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7010         * graphite.h (loop_to_cloog_loop): New.
7011
7012 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7013
7014         * graphite.c (loop_domain_dim, ref_nb_loops,
7015         loop_iteration_vector_dim): New.
7016         (build_access_matrix_with_af, build_access_matrix,
7017         initialize_dependence_polyhedron): Fixed for new matrix layout.
7018         No longer assume that all iteration domains are of the same
7019         dimensionality.
7020
7021 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7022
7023         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7024         defined in a loop at depth 0 is invariant.
7025         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7026         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7027         be called at loop depth 0.
7028
7029         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7030         a parameter.
7031         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7032         (down_open_scop): Removed.
7033         (loop_in_scop_p): Redefined.
7034         (scop_affine_expr): New argument: scop.
7035         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7036         a harmful statement ending a scop.
7037         (basic_block_simple_for_scop_p): New argument: scop.
7038         (get_loop_start): Removed.
7039         (new_scop): Initialize SCOP_LOOPS.
7040         (free_scop): Free SCOP_LOOPS.
7041         (succs_at_same_depth, preds_at_same_depth): New.
7042         (end_scop): Test the validity of a scop.
7043         (add_dominators_to_open_scops): New.
7044         (test_for_scop_bound): Call add_dominators_to_open_scops.
7045         Add cases for opening and closing multiple scops.
7046         (build_scops, build_scop_bbs): Iterate over basic blocks in
7047         depth first order.
7048         (build_graphite_bb): Pass scop directly.
7049         (dfs_bb_in_scop_p): New.
7050         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7051         several times.
7052         (nb_loops_around_gb): Use loop_in_scop_p.
7053         (schedule_to_scattering): Disabled for the moment the code computing
7054         the "textual order for outer loop".
7055
7056         * graphite.h (struct scop): New field loops.
7057         (SCOP_LOOPS): New.
7058         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7059
7060         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7061
7062 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7063             Sebastian Pop  <sebastian.pop@amd.com>
7064
7065         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7066         * common.opt (fstreamize-loops): New.
7067         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7068         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7069         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7070         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7071
7072 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7073
7074         * tree-data-ref.c (build_empty_rdg): New.
7075         (build_rdg): Use it.
7076         * tree-data-ref.h (build_empty_rdg): Declared.
7077         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7078         (find_vertex_for_stmt): Removed.
7079         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7080
7081 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7082
7083         * tree-loop-distribution.c (generate_builtin): After cancelling the
7084         loop tree, also delete basic blocks.
7085         (rdg_flag_uses): Stop recursion when a vertex has already been
7086         processed.
7087
7088 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7089
7090         * graphite.c (build_scop_alpha): Removed.
7091         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7092         and dump_dependence_graph to avoid compiler warnings.
7093
7094 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7095
7096         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7097         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7098         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7099         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7100         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7101         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7102         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7103         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7104         dump_dependence_graph): New.
7105         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7106         (GBB_ALPHA): New.
7107         (struct scop): New field loop2cloog_loop.
7108         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7109         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7110
7111 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7112
7113         * graphite.c (build_graphite_bb): Fix initialization
7114         of the graphite basic block.
7115
7116 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7117
7118         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7119         loop domain matrix.  Pass in the number of loops contained in the
7120         constraint matrix.
7121         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7122         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7123         loops that are not surrounding the current loop are not represented
7124         in the domain constraint matrix.
7125         (build_scop_iteration_domain): Initial domain constraint matrix
7126         contains only the eq/ineq, cst, and scop parameters columns.
7127
7128 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7129
7130         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7131         (print_graphite_bb): Print scattering.
7132
7133 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7134
7135         * graphite.c (initialize_cloog_names): Initialize names of
7136         scattering variables.
7137
7138 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7139
7140         * graphite.c (dot_all_scops_1): Disable debug output while
7141         printing graph.
7142
7143 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7144
7145         * graphite.c (find_transform): Change cloog output language to C.
7146
7147 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7148
7149         * tree-loop-distribution.c (generate_memset_zero,
7150         generate_builtin, generate_code_for_partition,
7151         rdg_flag_all_uses): New.
7152         (rdg_flag_uses): Gather in the same partition the statements defining
7153         the VUSES of the current statement.
7154         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7155         Gather in the same partition not only the stores to the same memory
7156         access, but also the reads.
7157         (ldist_generate_loops): Renamed ldist_gen.
7158
7159 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7160             Tobias Grosser  <grosser@fmi.uni-passau.de>
7161
7162         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7163         next pointer, don't use the inner pointer.
7164
7165 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7166
7167         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7168         (find_transform): Call dot_all_1.
7169         * graphite.h (dot_all_scops): Declared.
7170
7171 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7172
7173         * tree-loop-distribution.c: Fix apsi.f ICE.
7174         (create_bb_after_loop): New.
7175         (generate_loops_for_partition): Use it.
7176         * gfortran.dg/ldist-1.f90: New.
7177
7178         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7179         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7180
7181 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7182
7183         * graphite.c (find_transform): Dump cloog program sent to cloog.
7184
7185 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7186
7187         * graphite.c (initialize_cloog_names): Initialize cloog
7188         iterator names.
7189
7190 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7191
7192         * graphite.c (build_scop_context): Fix typo, for the matrix
7193         format: insert '0 >= 0' instead of '-1 >= 0'.
7194
7195 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7196
7197         * Fix merge problems.
7198
7199 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7200
7201         * graphite.c (setup_cloog_loop): Fix typo.
7202
7203 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7204
7205         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7206         * tree-loop-distribution.c: Reimplemented.
7207         * tree-pass.h (pass_loop_distribution): New.
7208         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7209         print_loops.
7210         * graphds.h (struct graph): New field indexes.
7211         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7212
7213         * tree-vect-analyze.c: Remove declaration of static functions when not
7214         needed.
7215         * tree-vectorizer.c: Same.
7216         (rename_variables_in_loop): Now extern.
7217         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7218         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7219         calling redirect_edge_and_branch_force.
7220
7221         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7222
7223         * tree-data-ref.c: Don't include tree-chrec.h.
7224         (debug_data_dependence_relations): New.
7225         (dump_data_dependence_relation): Call dump_data_reference on data refs
7226         in the relation.
7227         (same_access_functions): Moved...
7228         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7229         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7230         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7231         struct rdg_vertex_info, ): New.
7232         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7233         at DDR_REVERSED_P.
7234         (create_rdg_vertices): Initialize the htab of graph->indexes.
7235         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7236         (stmts_from_loop): Don't save LABEL_EXPR.
7237         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7238         hash_stmt_vertex_del): New.
7239         (build_rdg): Initialize rdg->indexes.
7240         (free_rdg, stores_from_loop, ref_base_address,
7241         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7242         have_similar_memory_accesses_1, ref_base_address_1,
7243         remove_similar_memory_refs): New.
7244
7245         * tree-data-ref.h: Include tree-chrec.h.
7246         (debug_data_dependence_relations): Declared.
7247         (same_access_functions): ...here.  Now static inline.
7248         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7249         ddr_dependence_level): New.
7250         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7251         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7252         RDG_MEM_READS_STMT): New.
7253         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7254         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7255         rdg_vertex_for_stmt): Declared.
7256         (struct rdg_edge): New field level.
7257         (RDGE_LEVEL, free_rdg): New.
7258         (stores_from_loop, remove_similar_memory_refs,
7259         rdg_defs_used_in_other_loops_p,
7260         have_similar_memory_accesses): Declared.
7261         (rdg_has_similar_memory_accesses): New.
7262
7263         * lambda.h (dependence_level): New.
7264         * common.opt (ftree-loop-distribution): New.
7265         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7266         (print_loop_ir): Renamed print_loops.
7267         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7268         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7269         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7270         (tree-loop-distribution.o): Added.
7271         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7272         (mark_virtual_ops_in_bb): New.
7273         (print_loops_bb, debug_loop_num, debug_loop): New.
7274         * passes.c: Scheduled pass_loop_distribution.
7275
7276 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7277
7278         * graphite.c (scan_tree_for_params): Correct the number of columns
7279         for polylib format.
7280         (nb_flat_iterator): New.
7281         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7282         (build_scop_iteration_domain): Correct the number of columns for
7283         polylib format.
7284
7285 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7286
7287         * Merge from mainline (129697:130800).
7288
7289 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7290
7291         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7292         dominated by SCoP's exit.
7293         (graphite_transform_loops): Compute post dominators.
7294
7295 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7296
7297         * Merge from mainline (127169:129697).
7298
7299 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7300
7301         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7302         parameter for the basic block that contains the expression.  Use
7303         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7304         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7305         the expression.
7306         * graphite.h (gbb_loop): New.
7307         (GBB_LOOP): Removed.
7308
7309 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7310
7311         * Makefile.in: Fix merge problem.
7312
7313 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7314
7315         * Merge from mainline (125309:127169).
7316         * tree-loop-distribution.c: Disabled.
7317
7318 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7319
7320         * Merge from mainline (r123693:125309).
7321
7322 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7323
7324         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7325         correct_modify_p
7326         (correct_modify_p, check_statements, number_of_lvalue_uses,
7327         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7328         instead of MODIFY_EXPR.
7329         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7330         and push new edges.
7331
7332 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7333
7334         * tree-loop-distribution.c (struct rdg): Replace arrays by
7335         VECs for edges and vertices.
7336         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7337         (RDGV_NB_PARTITIONS): New.
7338         (PRDG_NBV, PRDG_NBE): Removed.
7339         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7340         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7341         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7342
7343 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7344             Sebastian Pop  <sebpop@gmail.com>
7345
7346         * doc/invoke.texi (-ftree-loop-distribution): Document.
7347         * tree-loop-distribution.c: New file.
7348         * tree-pass.h (pass_loop_distribution): Declared.
7349         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7350         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7351         and set reversed_p.
7352         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7353         (DDR_REVERSED_P): New.
7354         * common.opt (-ftree-loop-distribution): New.
7355         * tree-flow.h (distribute_loops): Declared.
7356         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7357         * passes.c (init_optimization_passes): Schedule loop distribution.
7358
7359 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7360
7361         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7362         (print_scop): Don't print when scop is NULL.
7363         (build_scop_context, find_transform): Don't output to stderr.
7364
7365 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7366
7367         * tree-data-ref.c: Don't include graphite.h.
7368         Comment out the code for printing data reference's scop.
7369         (build_access_matrix_with_af): Moved...
7370         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7371         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7372         (print_graphite_bb): Print basic block's schedule.
7373         (print_scop): Don't print the schedule, call cloog's pretty printer.
7374         (bb_in_scop_p): A basic block is in a scop only if it is both
7375         dominated and postdominated by the scop's entry and exit basic blocks.
7376         (function_parameter_p): New.
7377         (invariant_in_scop_p): Use function_parameter_p.
7378         (new_scop, save_scop): New.
7379         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7380         save_scop.
7381         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7382         (loop_in_scop_p): New.
7383         (scop_record_loop): Use loop_in_scop_p.
7384         (build_scop_domain): Renamed build_scop_iteration_domain.
7385         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7386         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7387         setup_cloog_loop, dot_scop_1, dot_scop): New.
7388         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7389         (struct scop): Add a pointer to cloog's representation of a program.
7390
7391 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7392
7393         * doc/invoke.texi (-ftree-check-verbose): Renamed
7394         -ftree-checks-verbose.
7395         * common.opt (flag_tree_check_verbose): Renamed
7396         flag_tree_checks_verbose.
7397         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7398
7399 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7400
7401         * configure: Regenerated.
7402         * config.in: Regenerated.
7403         * tree-ssa-loop.c (graphite_transforms): Execute
7404         graphite_transform_loops only when HAVE_cloog.
7405         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7406         * graphite.c: Include polylibgmp.h and cloog.h.
7407         (graphite_transform_loops): Removed loops parameter.
7408         * tree-flow.h (graphite_transform_loops): Update declaration.
7409         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7410         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7411         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7412         (OBJS-common): Remove dependence on graphite.o.
7413         (BACKEND): Depend on @GRAPHITE@.
7414
7415 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7416
7417         * doc/invoke.texi (-ftree-check-verbose): Documented.
7418         * gcc.dg/tree-checker/tree-checks-1.c: New.
7419         * gcc.dg/tree-checker/tree-checks-2.c: New.
7420         * gcc.dg/tree-checker/tree-checks-3.c: New.
7421         * gcc.dg/tree-checker/tree-checks-4.c: New.
7422         * gcc.dg/tree-checker/tree-checks.exp: New.
7423         * gcc.dg/tree-checker/condates.crp: New.
7424         * common.opt (ftree-checks-verbose): New.
7425         * tree-check.c (tree_check_warning): Move extra stderr output
7426         under control of flag_tree_check_verbose.
7427
7428 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7429
7430         * tree-match.c: Fix comments formatting.
7431         * tree-match.h: Fix comments formatting.
7432         * tree-check.c: Fix comments formatting.
7433         (tree_check_init): Restructure.
7434
7435 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7436
7437         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7438
7439 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7440
7441         * Merge from mainline (r120733:123693).
7442
7443 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7444
7445         * condate.y: New file.
7446         * tree-match.h (struct patt_info_s): New field sign.
7447         (struct condate_s): New field msg.
7448         (normalize_condate, name_condate, add_condate): New.
7449         (conds[], condate_parse): Made extern.
7450         * tree-check.c (tree_check_warning): First arg changed to cond;
7451         warning reformatted.
7452         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7453         (tree_scan): New.
7454         (tree_check): Process trivial condates.
7455         (read_delimited_string): Removed.
7456         (print_cond): Print name and msg.
7457         (conds[]): Made extern.
7458         (parse_tree_check_file_once): Rewritten to use the parser in
7459         condate.y.
7460         Processing of option --tree_check_string moved to tree_scan().
7461         * Makefile.in: Added condate.y
7462
7463 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7464
7465         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7466         Use VECs instead of varrays.
7467         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7468         * Makefile.in (pretty-print.o): Depend on vec.h.
7469         * pretty-print.c: Include tree.h and vec.h.
7470         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7471         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7472         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7473         pp_free_list): Use VECs instead of varrays.
7474         * pretty-print.h: Do not include varray.h.
7475         (struct tree_chunk_s): Declaration moved before its use.
7476         (output_buffer): Rename varray field to chunks.
7477         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7478         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7479         save_global_holes): Use VECs instead of varrays.
7480         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7481         * tree-check.c (scan_cfg_stmts, push_node,
7482         print_matching_stmt): Removed.
7483         (tree_check_instance, push_global_holes_if_new, tree_check,
7484         execute_tree_check): Use VECs instead of varrays.
7485         (gate_tree_check): Don't execute the CFG check when basic_block_info
7486         is not available.
7487
7488 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7489
7490         * Merge from mainline (r115016:120733).
7491
7492 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7493
7494         * Merge from mainline (r117632:117661).
7495
7496 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7497
7498         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7499         * tree-pass.h (TDF_DEBUG, debug_p): New.
7500         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7501         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7502         get_loop_exit_condition, analyze_evolution_in_loop,
7503         analyze_initial_condition, analyze_scalar_evolution,
7504         instantiate_parameters, number_of_latch_executions): Use debug_p.
7505         * tree-chrec.c (chrec_apply): Use debug_p.
7506         * tree-data-ref.c: Include graphite.h.
7507         (dump_data_reference): Print also the access matrix.
7508         (analyze_array, analyze_indirect_ref, init_data_ref,
7509         analyze_offset_expr, address_analysis, object_analysis,
7510         create_data_ref, finalize_ddr_dependent,
7511         non_affine_dependence_relation, analyze_ziv_subscript,
7512         analyze_siv_subscript_cst_affine,
7513         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7514         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7515         analyze_miv_subscript, analyze_overlapping_iterations,
7516         build_classic_dist_vector, subscript_dependence_tester,
7517         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7518         (build_access_matrix_with_af): No longer static.
7519         * tree-data-ref.h (scop_p): ... declaration here.
7520         (data_reference.scop): New field.
7521         (DR_SCOP, DR_ACCESS_MATRIX): New.
7522         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7523         * graphite.c (print_graphite_bb): Call dump_data_references.
7524         (print_scop): Use scop_nb_loops and scop_dim_domain.
7525         (test_for_scop_bound): Use debug_p.
7526         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7527         scop_nb_params.
7528         (scop_loop_index): Moved...
7529         (scop_record_loop): New.
7530         (build_scop_loop_nests): Use scop_record_loop.
7531         (build_scop_domain): Use scop_dim_domain.
7532         (build_access_matrix): Implemented.
7533         (build_scop_canonical_schedules): Use scop_nb_loops.
7534         (build_graphite_bb): Initialize GBB_SCOP.
7535         * graphite.h (scop_p): Moved...
7536         (graphite_bb.scop): New field.
7537         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7538         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7539         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7540         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7541         scop_loop_index): New.
7542         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7543
7544 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7545
7546         * Merge from mainline (r117661:120450).
7547
7548 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7549
7550         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7551         at the first declaration outside the varying loop, instantiate as
7552         far as possible.
7553         * tree-chrec.c (for_each_scev_op): New.
7554         * tree-chrec.h (for_each_scev_op): Declared.
7555         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7556         * tree-data-ref.c (get_references_in_stmt,
7557         find_data_references_in_stmt): New, from trunk.
7558         (find_data_references_in_loop): Use get_references_in_stmt
7559         and find_data_references_in_loop, modified as in trunk.
7560         (build_access_matrix_with_af): New.
7561         * tree-data-ref.h (data_reference): Add a field access_matrix.
7562         (data_ref_loc): New, as in trunk.
7563         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7564         invariant_in_scop_p, param_index, scan_tree_for_params,
7565         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7566         idx_record_param, idx_record_params, build_access_matrix,
7567         build_scop_data_accesses, build_scop_canonical_schedules,
7568         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7569         build_scop_params): New.
7570         * graphite.h (graphite_bb): New.
7571         (scop): Add fields static_schedule, params, loop_nest,
7572         iteration_domain.
7573         * lambda.h: Declare vecs of lambda_matrix.
7574         * tree-flow.h (print_loop_ir_bb): Declared.
7575         * tree-cfg.c (print_loop_ir_bb): New.
7576         (print_loop): Use print_loop_ir_bb.
7577
7578 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7579
7580         * Merge from mainline (r115016:117632).
7581
7582 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7583
7584         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7585         break due to a warning.
7586
7587 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7588
7589         * graphite.c (print_scops, debug_scops): New.
7590         (graphite_transform): Renamed graphite_find_transform.
7591         * graphite.h (debug_scops): Declared.
7592
7593 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7594
7595         * tree-match.c: Reformat following the GNU style.
7596         * tree-match.h: Reformat following the GNU style.
7597         * tree-pattern.h: Removed empty file.
7598         * Makefile.in: Remove references to tree-pattern.h.
7599         * tree-check.c: Reformat following the GNU style.
7600         (execute_tree_check): Move gate condition code to...
7601         (gate_tree_check): ...here.  New function.
7602         (pass_check): Use the gate function.
7603
7604 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7605
7606         * tree-pattern.h: New. Tree pattern matching and checking using
7607         concrete syntax.
7608         * tree-check.c: New. Tree/CFG checking pass.
7609         * tree-match.c: New. Library for tree pattern matching.
7610         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7611         * toplev.c, flags.h: Add globals for tree-check pass.
7612         * Makefile.in: Integrate the files in tree-check pass.
7613         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7614         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7615         Introduce a "lazy" pretty-print mode.
7616         * tree.c, tree.h: Add tree_name.
7617
7618 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7619
7620         * doc/invoke.texi (-fgraphite): Correct typo.
7621         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7622         use of print_loop_ir.
7623         * gcc.dg/graphite/scop-1.c: New.
7624         * gcc.dg/graphite/scop-2.c: New.
7625         * gcc.dg/graphite/graphite.exp: New.
7626         * graphite.c: Include domwalk.h.
7627         (print_scop): Print only the entry and exit blocks.
7628         (debug_scop): No longer static.
7629         (affine_expr): Fix formating.  Return also true when the expression is
7630         constant.
7631         (stmt_simple_for_scop_p): Fix formating.
7632         (build_scops): Use domwalk.
7633         (get_loop_start, end_scop, test_for_scop_bound): New.
7634         (graphite_transform_loops): Avoid printing on stderr.
7635         * graphite.h (debug_scop): Declared.
7636         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7637         * Makefile.in (graphite.o): Depend on domwalk.h.
7638         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7639         declarations for static functions.
7640         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7641         controlling output verbosity.
7642
7643 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7644             Plesco Alexandru  <shurikx@gmail.com>
7645
7646         * doc/invoke.texi (-fgraphite): Document.
7647         * tree-pass.h (pass_graphite_transforms): Declared.
7648         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7649         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7650         (pass_graphite_transforms): Defined.
7651         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7652         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7653         * graphite.c, graphite.h: New.
7654         * common.opt (fgraphite): Declared.
7655         * tree-flow.h (graphite_transform_loops): Declared.
7656         * Makefile.in (OBJS-common): Add graphite.o.
7657         (graphite.o): New rule.
7658         * passes.c (pass_graphite_transforms): Scheduled.
7659