gcc/ChangeLog.graphite

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