gcc/ChangeLog.graphite

   1 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
   4
   5 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
   6
   7         * passes.c (init_optimization_passes): Add pass_graphite.
   8         Schedule a pass_copy_prop before pass_graphite_transforms.
   9         * timevar.def (TV_GRAPHITE): Declared.
  10         * tree-pass.h (pass_graphite): Declared.
  11         * tree-ssa-loop.c (pass_graphite): New.
  12
  13         * gcc.dg/graphite/id-20.c: New.
  14
  15 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
  18         Remove calls to rename_nb_iterations and rename_sese_parameters.
  19         * graphite-clast-to-gimple.h (gloog): Update declaration.
  20         * graphite.c (graphite_transform_loops): Update call to gloog.
  21         * sese.c (rename_variables_in_expr): Removed.
  22         (rename_nb_iterations): Removed.
  23         (rename_sese_parameters): Removed.
  24         * sese.h (rename_nb_iterations): Removed.
  25         (rename_sese_parameters): Removed.
  26
  27 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  28
  29         * graphite-clast-to-gimple.c (gloog): Remove call to
  30         sese_adjust_liveout_phis.
  31         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
  32         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
  33         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
  34         rewrite_phi_out_of_ssa.
  35         * sese.c (get_vdef_before_sese): Removed.
  36         (sese_adjust_vphi): Removed.
  37         (sese_adjust_liveout_phis): Removed.
  38         * sese.h (sese_adjust_liveout_phis): Removed.
  39
  40 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
  43         argument for the place after which to insert the out of SSA copy.
  44         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
  45         (rewrite_phi_out_of_ssa): Same.
  46         (rewrite_cross_bb_scalar_deps): Same.
  47         (insert_copyout): Removed.
  48         (insert_copyin): Removed.
  49         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
  50         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
  51         insert_copyin.
  52
  53 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  54
  55         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
  56         (rewrite_reductions_out_of_ssa): Same.
  57         (rewrite_commutative_reductions_out_of_ssa): Same.
  58         (build_poly_scop): Do not call these functions.
  59         * graphite-sese-to-poly.h (build_poly_scop): Declared.
  60         (rewrite_reductions_out_of_ssa): Declared.
  61         (rewrite_commutative_reductions_out_of_ssa): Declared.
  62         * graphite.c (graphite_transform_loops): Call on every scop
  63         rewrite_commutative_reductions_out_of_ssa before calling
  64         rewrite_reductions_out_of_ssa and build_scop_bbs.
  65
  66 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  67
  68         * graphite-dependences.c (dot_deps): Make system call to dotty run
  69         in background.
  70         (dot_deps_stmt): Same.
  71         * graphite-poly.c (dot_lst): Same.
  72
  73 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
  76         old_type in parameter.
  77         (gcc_type_for_value): Update call to gcc_type_for_interval.
  78         (compute_type_for_level_1): Renamed compute_type_for_level.
  79         Update call to gcc_type_for_interval.
  80
  81 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
  84         the scev analysis when the variable is not used outside the loop
  85         in a close phi node: call compute_overall_effect_of_inner_loop.
  86
  87 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
  88
  89         * graphite-sese-to-poly.c (single_pred_cond): Renamed
  90         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
  91         (build_sese_conditions_before): Renamed call to single_pred_cond.
  92         (build_sese_conditions_after): Same.
  93
  94 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         * graphite-poly.h: Fix comments and indentation.
  97         * graphite-sese-to-poly.c: Same.
  98         (build_sese_conditions_before): Compute stmt and gbb only when needed.
  99         * tree-chrec.c: Fix comments and indentation.
 100         (tree-ssa-loop-niter.c): Same.
 101
 102 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 103
 104         * refined-regions.c (create_region): Only initialize the region.
 105         (find_regions_with_entry): Initialize parent relation and bbmap
 106         correctly.
 107         (build_regions_tree): Set outermost_region to region instead of
 108         topmost_region.
 109         (calculate_region_tree): Remove unneeded parameters.
 110
 111 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 112
 113         * graphite-scop-detection.c (is_scop_p): New.
 114         (build_scops_new): New. A skeleton for the new scop detection.
 115         (build_scops_old): Renamed from build_scops.
 116         (build_scops): New version. Call the new and the old scop
 117         detection.
 118
 119 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 120             Antoniu Pop  <antoniu.pop@gmail.com>
 121
 122         * Makefile.in (OBJS-common): Add refined-regions.o.
 123         (refined-regions.o): New.
 124         (graphite-scop-detection.o): Use refined-regions.h.
 125         * graphite-scop-detection.c: Include refined-regions.h
 126         (build_scops): Also build the refined region tree.
 127         * refined-regions.c: New. Adds an algorithm to detect refined
 128         regions.
 129         (print_refined_region): New.
 130         (debug_refined_region): New.
 131         (refined_region_contains_bb_p): New.
 132         (refined_region_contains_region_p): New.
 133         (is_common_df): New.
 134         (struct find_regions_global_data): New.
 135         (is_region): New.
 136         (typedef struct bb_bb_def): New.
 137         (new_bb_bb_def): New.
 138         (bb_bb_map_hash): New.
 139         (eq_bb_bb_map): New.
 140         (find_new_bb): New.
 141         (bb_reg_def): New.
 142         (new_bb_reg_def): New.
 143         (bb_reg_map_hash): New.
 144         (eq_bb_reg_map): New.
 145         (find_new_region): New.
 146         (insert_new_reg): New.
 147         (insert_new_bb): New.
 148         (insert_shortcut): New.
 149         (get_next_postdom): New.
 150         (create_region): New.
 151         (find_regions_with_entry): New.
 152         (find_regions_adc): New.
 153         (find_regions): New.
 154         (get_topmost_parent): New.
 155         (build_regions_tree): New.
 156         (calculate_region_tree): New.
 157         (free_region_tree): New.
 158         * refined-regions.h: New.
 159         (struct refined_region): New.
 160         (calculate_region_tree): New.
 161         (free_region_tree): New.
 162         (refined_region_contains_bb_p): New.
 163         (refined_region_contains_region_p): New.
 164         (print_refined_region): New.
 165         (debug_refined_region): New.
 166
 167 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 170         size_one_node.
 171
 172 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 173
 174         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 175         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 176
 177 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 180         phi_arg_in_outermost_loop.
 181         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 182         (remove_invariant_phi): Same.
 183
 184 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 185
 186         * graphite-blocking.c
 187         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 188         * graphite-clast-to-gimple.c
 189         (clast_to_gcc_expression): Same.
 190         (precision_for_value): Same.
 191         (precision_for_interval): Same.
 192         (gcc_type_for_interval): Same.
 193         (graphite_create_new_guard): Same.
 194         (compute_bounds_for_level): Same.
 195         (graphite_create_new_loop_guard): Same.
 196         * graphite-interchange.c
 197         (build_linearized_memory_access): Same.
 198         (pdr_stride_in_loop): Same.
 199         (memory_strides_in_loop_1): Same.
 200         (memory_strides_in_loop): Same.
 201         (extend_scattering): Same.
 202         (psct_scattering_dim_for_loop_depth): Same.
 203         (pbb_number_of_iterations): Same.
 204         * graphite-poly.h
 205         (debug_iteration_domains): Same.
 206         * graphite-ppl.c
 207         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 208         (ppl_set_inhomogeneous_gmp): Same.
 209         (ppl_strip_loop): Same.
 210         (ppl_lexico_compare_linear_expressions): Same.
 211         (ppl_read_polyhedron_matrix): Same.
 212         (ppl_max_for_le_pointset): Same.
 213         * graphite-ppl.h
 214         (ppl_read_polyhedron_matrix): Same.
 215         (tree_int_to_gmp): Same.
 216         (gmp_cst_to_tree): Same.
 217         (ppl_set_inhomogeneous): Same.
 218         (ppl_set_inhomogeneous_tree): Same.
 219         (ppl_set_coef): Same.
 220         (ppl_set_coef_tree): Same.
 221         * graphite-sese-to-poly.c
 222         (build_pbb_scattering_polyhedrons): Same.
 223         (build_scop_scattering): Same.
 224         (scan_tree_for_params_right_scev): Same.
 225         (scan_tree_for_params): Same.
 226         (find_params_in_bb): Same.
 227         (find_scop_parameters): Same.
 228         (add_upper_bounds_from_estimated_nit): Same.
 229         (build_loop_iteration_domains): Same.
 230         (add_condition_to_domain): Same.
 231         (pdr_add_memory_accesses): Same.
 232
 233 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 234
 235         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 236         CLooG's value_* macros to their respective mpz_* counterparts.
 237         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 238         (graphite_create_new_loop_guard): Same.
 239         * graphite-interchange.c (build_linearized_memory_access): Same.
 240         (pdr_stride_in_loop): Same.
 241         (memory_strides_in_loop_1): Same.
 242         (1st_interchange_profitable_p): Same.
 243         * graphite-poly.c (extend_scattering): Same.
 244         (psct_scattering_dim_for_loop_depth): Same.
 245         (pbb_number_of_iterations): Same.
 246         (pbb_number_of_iterations_at_time): Same.
 247         * graphite-poly.h (new_1st_loop): Same.
 248         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 249         (oppose_constraint): Same.
 250         (insert_constraint_into_matrix): Same.
 251         (ppl_set_inhomogeneous_gmp): Same.
 252         (ppl_set_coef_gmp): Same.
 253         (ppl_strip_loop): Same.
 254         (ppl_lexico_compare_linear_expressions): Same.
 255         (ppl_max_for_le_pointset): Same.
 256         (ppl_min_for_le_pointset): Same.
 257         (ppl_build_realtion): Same.
 258         * graphite-ppl.h (gmp_cst_to_tree): Same.
 259         (ppl_set_inhomogeneous): Same.
 260         (ppl_set_inhomogeneous_tree): Same.
 261         (ppl_set_coef): Same.
 262         (ppl_set_coef_tree): Same.
 263         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 264         (build_scop_scattering): Same.
 265         (add_value_to_dim): Same.
 266         (scan_tree_for_params_right_scev): Same.
 267         (scan_tree_for_params_int): Same.
 268         (scan_tree_for_params): Same.
 269         (find_params_in_bb): Same.
 270         (find_scop_parameters): Same.
 271         (add_upper_bounds_from_estimated_nit): Same.
 272         (build_loop_iteration_domains): Same.
 273         (create_linear_expr_from_tree): Same.
 274         (add_condition_to_domain): Same.
 275         (pdr_add_memory_accesses): Same.
 276
 277 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 278
 279         PR middle-end/43519
 280         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 281         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 282         When converting an unsigned type to signed, double its precision.
 283         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 284         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 285         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 286
 287 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         PR middle-end/43519
 290         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 291         build_nonstandard_integer_type.
 292         (gcc_type_for_interval): Same.
 293
 294 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         PR middle-end/43519
 297         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 298         POINTER_PLUS_EXPR for pointer types.
 299
 300         * gcc.dg/graphite/id-19.c: New.
 301
 302 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         PR middle-end/43519
 305         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 306         * graphite-clast-to-gimple.c: Include langhooks.h.
 307         (max_signed_precision_type): New.
 308         (max_precision_type): Takes two types as arguments.
 309         (precision_for_value): New.
 310         (precision_for_interval): New.
 311         (gcc_type_for_interval): New.
 312         (gcc_type_for_value): New.
 313         (gcc_type_for_clast_term): New.
 314         (gcc_type_for_clast_red): New.
 315         (gcc_type_for_clast_bin): New.
 316         (gcc_type_for_clast_expr): Split up into several functions.
 317         (gcc_type_for_clast_eq): Rewritten.
 318         (compute_bounds_for_level): New.
 319         (compute_type_for_level_1): New.
 320         (compute_type_for_level): New.
 321         (gcc_type_for_cloog_iv): Removed.
 322         (gcc_type_for_iv_of_clast_loop): Rewritten.
 323         (graphite_create_new_loop): Compute the lower and upper bound types
 324         with gcc_type_for_clast_expr.
 325         (graphite_create_new_loop_guard): Same.
 326         (find_cloog_iv_in_expr): Removed.
 327         (compute_cloog_iv_types_1): Removed.
 328         (compute_cloog_iv_types): Removed.
 329         (gloog): Do not call compute_cloog_iv_types.
 330         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 331         GBB_CLOOG_IV_TYPES.
 332         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 333         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 334         (GBB_CLOOG_IV_TYPES): Removed.
 335
 336         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 337
 338 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 339
 340         Reverted this commit: as at this point the loop closed SSA form
 341         is under a canonical form respecting the single argument condition.
 342         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 343         close phi nodes may have more than one argument.
 344
 345 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 346
 347         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 348         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 349         (detect_commutative_reduction): Same.
 350
 351 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 352
 353         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 354         close phi nodes may have more than one argument.
 355
 356 2010-03-30  Richard Guenther  <rguenther@suse.de>
 357             Zdenek Dvorak  <ook@ucw.cz>
 358             Sebastian Pop  <sebastian.pop@amd.com>
 359
 360         PR middle-end/43464
 361         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
 362         with multiple arguments.
 363         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
 364
 365 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 366
 367         * graphite-dependences.c (print_pddr): Call print_pdr with an
 368         extra argument.
 369         * graphite-poly.c (debug_pdr): Add an extra argument for the
 370         verbosity level.
 371         (print_pdr): Same.
 372         (print_pbb_domain): Same.
 373         (print_pbb): Same.
 374         (print_scop_context): Same.
 375         (print_scop): Same.
 376         (print_cloog): Same.
 377         (debug_pbb_domain): Same.
 378         (debug_pbb): Same.
 379         (print_pdrs): Same.
 380         (debug_pdrs): Same.
 381         (debug_scop_context): Same.
 382         (debug_scop): Same.
 383         (debug_cloog): Same.
 384         (print_scop_params): Same.
 385         (debug_scop_params): Same.
 386         (print_iteration_domain): Same.
 387         (print_iteration_domains): Same.
 388         (debug_iteration_domain): Same.
 389         (debug_iteration_domains): Same.
 390         (print_scattering_function): Same.
 391         (print_scattering_functions): Same.
 392         (debug_scattering_function): Same.
 393         (debug_scattering_functions): Same.
 394         * graphite-poly.h (debug_pdr): Update declaration.
 395         (print_pdr): Same.
 396         (print_pbb_domain): Same.
 397         (print_pbb): Same.
 398         (print_scop_context): Same.
 399         (print_scop): Same.
 400         (print_cloog): Same.
 401         (debug_pbb_domain): Same.
 402         (debug_pbb): Same.
 403         (print_pdrs): Same.
 404         (debug_pdrs): Same.
 405         (debug_scop_context): Same.
 406         (debug_scop): Same.
 407         (debug_cloog): Same.
 408         (print_scop_params): Same.
 409         (debug_scop_params): Same.
 410         (print_iteration_domain): Same.
 411         (print_iteration_domains): Same.
 412         (debug_iteration_domain): Same.
 413         (debug_iteration_domains): Same.
 414         (print_scattering_function): Same.
 415         (print_scattering_functions): Same.
 416         (debug_scattering_function): Same.
 417         (debug_scattering_functions): Same.
 418
 419 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * graphite-poly.c (print_scattering_function_1): New.
 422         (print_scattering_function): Call it.
 423         (print_scop_params): Remove spaces at the end of lines.
 424         (print_cloog): New.
 425         (debug_cloog): New.
 426         * graphite-poly.h (print_cloog): Declared.
 427         (debug_cloog): Declared.
 428
 429 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 430
 431         * tree-ssa-copy.c: Revert this previous change:
 432         (init_copy_prop): Loop closed phi nodes cancontain more than one
 433         argument.
 434         (execute_copy_prop): Revert the previous change: do not call
 435         rewrite_into_loop_closed_ssa.
 436
 437 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 438             Richard Guenther  <rguenther@suse.de>
 439
 440         PR middle-end/43464
 441         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
 442         contain more than one argument.
 443         (execute_copy_prop): Revert the previous change: do not call
 444         rewrite_into_loop_closed_ssa.
 445
 446         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
 447         * gcc.dg/graphite/id-pr43464-1.c: New.
 448
 449 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 450
 451         PR middle-end/43464
 452         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
 453         and verify_loop_closed_ssa when copy prop is executed in the LNO.
 454
 455         * gcc.dg/graphite/id-pr43464.c: New.
 456
 457 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 458
 459         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
 460         in loop->header.
 461         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
 462         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
 463         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 464         to switch between adding the IV bump in loop->latch or in loop->header.
 465
 466 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         * passes.c (init_optimization_passes): Add pass_copy_prop
 469         after Graphite.
 470
 471 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 472
 473         * graphite-poly.c (print_scattering_function): Pretty print following
 474         the scoplib format.
 475         (print_pdr): Same.
 476         (print_pbb_domain): Same.
 477         (dump_gbb_cases): Same.
 478         (dump_gbb_conditions): Same.
 479         (print_pdrs): Same.
 480         (print_pbb): Same.
 481         (print_scop_params): Same.
 482         (print_scop_context): Same.
 483         (print_scop): Same.
 484         (print_pbb_body): New.
 485         (lst_indent_to): New.
 486         (print_lst): Start new lines with a #.
 487         * graphite-poly.h (pbb_bb): New.
 488         (pbb_index): Use pbb_bb.
 489         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 490         disjuncts.
 491         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 492
 493 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 494
 495         PR middle-end/43351
 496         * gcc.dg/graphite/id-pr43351.c
 497
 498 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         PR middle-end/43354
 501         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 502         call insert_out_of_ssa_copy for default definitions.
 503         * gfortran.dg/graphite/id-pr43354.f: New.
 504
 505 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         PR middle-end/43349
 508         * gfortran.dg/graphite/pr43349.f: New.
 509
 510 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 511
 512         * graphite-clast-to-gimple.c (my_long_long): Defined.
 513         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 514         * graphite-sese-to-poly.c (my_long_long): Defined.
 515         (scop_ivs_can_be_represented): Use it.
 516
 517 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 518
 519         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 520         graphite-max-bbs-per-function, and loop-block-tile-size.
 521         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 522         with "maximum".
 523         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 524
 525 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 528         forward declaration.
 529         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 530         (add_upper_bounds_from_estimated_nit): New.
 531         (build_loop_iteration_domains): Use it.
 532
 533 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 536
 537 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 538
 539         PR middle-end/43306
 540         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 541         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 542         * gcc.dg/graphite/pr43306.c: New.
 543
 544 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 545
 546         * graphite.c (graphite_initialize): To bound the number of bbs per
 547         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 548         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 549         * doc/invoke.texi: Document it.
 550
 551 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 552
 553         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 554         * graphite-sese-to-poly.h (build_poly_scop): Same.
 555
 556 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 559         the number of parameters in the scop.  Use as an upper bound
 560         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 561         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 562         * doc/invoke.texi: Document it.
 563
 564 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         * graphite-sese-to-poly.c (add_param_constraints): Use
 567         lower_bound_in_type and upper_bound_in_type.
 568
 569 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 572         instead of unsigned_type_node.
 573
 574 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 575             Reza Yazdani  <reza.yazdani@amd.com>
 576
 577         PR middle-end/43065
 578         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 579         on pointer type parameters.
 580
 581         * gcc.dg/graphite/run-id-4.c: New.
 582
 583 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         PR middle-end/43065
 586         * gcc.dg/graphite/run-id-3.c: New.
 587
 588 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 589             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 590
 591         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 592         handle conversions from pointer to integers.
 593         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 594         induction variable, to be able to work with code generated by CLooG.
 595         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 596         (build_poly_scop): Bail out if we cannot codegen a loop.
 597
 598 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 599
 600         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 601         code generation with gloog_error.
 602
 603 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 606         Call fold_convert on all the returned values.
 607         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 608         the type of the resulting expression.
 609
 610 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 613         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 614         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 615
 616 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 617
 618         * graphite-dependences.c (map_into_dep_poly): Removed.
 619         (dependence_polyhedron_1): Use combine_context_id_scat.
 620
 621 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 622
 623         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 624         (struct poly_bb): Same.
 625         (combine_context_id_scat): New.
 626
 627 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         PR middle-end/42326
 630         * sese.c (name_defined_in_loop_p): Return false for default
 631         definitions.
 632
 633         * gcc.dg/graphite/pr42326.c: New.
 634
 635 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 636
 637         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 638         and clean up the logic.
 639
 640 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 643         early return.
 644
 645 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 646
 647         PR middle-end/43083
 648         * graphite-scop-detection.c (create_single_exit_edge): Move
 649         the call to find_single_exit_edge to....
 650         (create_sese_edges): ...here.  Don't handle multiple edges
 651         exiting the function.
 652         (build_graphite_scops): Don't handle multiple edges
 653         exiting the function.
 654
 655         * gcc.dg/graphite/pr43083.c: New.
 656
 657 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 658
 659         PR middle-end/43097
 660         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 661         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 662
 663         * gfortran.dg/graphite/pr43097.f: New.
 664
 665 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 666             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 667
 668         PR middle-end/43140
 669         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 670
 671 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         PR middle-end/43026
 674         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 675
 676         * g++.dg/graphite/pr43026.C: New.
 677
 678 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 679
 680         * Merge from mainline (154736:156693).
 681
 682 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         PR middle-end/43012
 685         * gcc.dg/graphite/pr43012.c: New.
 686
 687 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 688
 689         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 690 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * g++.dg/graphite/pr42930.C: New.
 693
 694 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 695
 696         PR middle-end/42930
 697         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 698         graphite_can_represent_init for MULT_EXPR.
 699
 700 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 701
 702         PR middle-end/42914
 703         PR middle-end/42530
 704         * graphite-sese-to-poly.c (remove_phi): New.
 705         (translate_scalar_reduction_to_array): Call remove_phi.
 706
 707         * gcc.dg/graphite/pr42530.c: New.
 708         * gcc.dg/graphite/pr42914.c: New.
 709
 710 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         PR middle-end/42771
 713         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 714         * graphite-clast-to-gimple.h (gloog): Update declaration.
 715         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 716         * graphite-poly.h (struct poly_bb): Add missing comments.
 717         (struct scop): Add poly_scop_p field.
 718         (POLY_SCOP_P): New.
 719         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 720         * graphite.c (graphite_transform_loops): Build the polyhedral
 721         representation for each scop before code generation.
 722         * sese.c (rename_variables_in_operand): Removed.
 723         (rename_variables_in_expr): Return the renamed expression.
 724         (rename_sese_parameters): New.
 725         * sese.h (rename_sese_parameters): Declared.
 726
 727         * gcc.dg/graphite/pr42771.c: New.
 728
 729 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 732         return 0 from main.
 733         * gcc.dg/graphite/block-1.c: Same.
 734         * gcc.dg/graphite/block-3.c: Same.
 735         * gcc.dg/graphite/block-4.c: Same.
 736         * gcc.dg/graphite/block-5.c: Same.
 737         * gcc.dg/graphite/block-6.c: Same.
 738         * gcc.dg/graphite/block-7.c: Same.
 739         * gcc.dg/graphite/interchange-0.c: Same.
 740         * gcc.dg/graphite/interchange-1.c: Same.
 741         * gcc.dg/graphite/interchange-10.c: Same.
 742         * gcc.dg/graphite/interchange-11.c: Same.
 743         * gcc.dg/graphite/interchange-12.c: Same.
 744         * gcc.dg/graphite/interchange-2.c: Same.
 745         * gcc.dg/graphite/interchange-3.c: Same.
 746         * gcc.dg/graphite/interchange-4.c: Same.
 747         * gcc.dg/graphite/interchange-5.c: Same.
 748         * gcc.dg/graphite/interchange-6.c: Same.
 749         * gcc.dg/graphite/interchange-7.c: Same.
 750         * gcc.dg/graphite/interchange-8.c: Same.
 751         * gcc.dg/graphite/interchange-9.c: Same.
 752         * gcc.dg/graphite/interchange-mvt.c: Same.
 753
 754 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 755
 756         * gfortran.dg/graphite/id-19.f: New.
 757         * gfortran.dg/graphite/pr14741.f90: New.
 758         * gfortran.dg/graphite/pr41924.f90: New.
 759         * gfortran.dg/graphite/run-id-2.f90: New.
 760
 761 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 762
 763         PR middle-end/42988
 764         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 765         to unknown_dependence.
 766         (graphite_legal_transform_dr): Handle the unknown_dependence.
 767         (graphite_carried_dependence_level_k): Same.
 768
 769 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 770
 771         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 772
 773 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 774             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 775
 776         PR middle-end/42637
 777         * graphite-dependences.c (build_lexicographical_constraint): Return
 778         a union of dependence polyhedra.
 779         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 780
 781         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 782         * gcc.dg/graphite/block-4.c: Same.
 783         * gcc.dg/graphite/block-7.c: Same.
 784         * gcc.dg/graphite/interchange-12.c: Same.
 785         * gcc.dg/graphite/interchange-mvt.c: Same.
 786         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 787         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 788         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 789
 790 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 791
 792         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 793         the execution check to FAIL.  This testcase is miscompiled by Graphite
 794         and the check should be re-enabled.
 795         * gcc.dg/graphite/interchange-mvt.c: Same.
 796         * gcc.dg/graphite/block-0.c: Same.
 797         * gcc.dg/graphite/block-4.c: Same.
 798         * gcc.dg/graphite/block-7.c: Same.
 799
 800 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 801
 802         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 803         * gcc.dg/graphite/scop-0.c: Fix spaces.
 804         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 805         * gfortran.dg/graphite/block-2.f: Same.
 806         * gfortran.dg/graphite/block-3.f90: Same.
 807         * gfortran.dg/graphite/block-4.f90: Same.
 808         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 809         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 810
 811 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 812
 813         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 814         PDDR_ORIGINAL_SCATTERING_P.
 815         (pddr_is_empty): Rewritten.
 816         (print_dependence_polyhedron_layout): New.
 817         (print_pddr): New.
 818         (debug_pddr): New.
 819         (build_alias_set_powerset): Moved up.
 820         (poly_drs_may_alias_p): Moved up.
 821         (lexicographically_gt_p): Removed.
 822         (build_lexicographically_gt_constraint): Renamed
 823         build_lexicographical_constraint, reimplemented.
 824         (dependence_polyhedron_1): Simplified parameters.
 825         (dependence_polyhedron): Same.  Keep along empty PDDRs
 826         to make efficient use of the cache.
 827         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 828         (graphite_legal_transform_dr): Rewritten.
 829         (graphite_legal_transform_bb): Pass fewer arguments to
 830         graphite_legal_transform_dr.
 831         (graphite_carried_dependence_level_k): Simplified implementation.
 832         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 833         (dot_transformed_deps_stmt_1): Same.
 834         (dot_original_deps): Same.
 835         (dot_transformed_deps): Same.
 836         * graphite-dependences.h (struct poly_ddr): Added a new field
 837         original_scattering_p.
 838         (PDDR_ORIGINAL_SCATTERING_P): New.
 839         (print_pddr): Declared.
 840         (debug_pddr): Declared.
 841         * graphite-ppl.c: Clarify comment.
 842         * sese.h (print_gimple_bb): Removed unused declaration.
 843         (debug_gbb): Same.
 844
 845 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 846
 847         * g++.dg/graphite/graphite.exp: Rewritten.
 848         * gcc.dg/graphite/graphite.exp: Rewritten.
 849         * gfortran.dg/graphite/graphite.exp: Rewritten.
 850         * gcc.dg/graphite/block-0.c: Added runtime test.
 851         * gcc.dg/graphite/block-1.c: Same.
 852         * gcc.dg/graphite/block-3.c: Same.
 853         * gcc.dg/graphite/block-4.c: Same.
 854         * gcc.dg/graphite/block-5.c: Same.
 855         * gcc.dg/graphite/block-6.c: Same.
 856         * gcc.dg/graphite/block-7.c: Same.
 857         * gcc.dg/graphite/interchange-0.c: Same.
 858         * gcc.dg/graphite/interchange-1.c: Same.
 859         * gcc.dg/graphite/interchange-10.c: Same.
 860         * gcc.dg/graphite/interchange-11.c: Same.
 861         * gcc.dg/graphite/interchange-12.c: Same.
 862         * gcc.dg/graphite/interchange-2.c: Same.
 863         * gcc.dg/graphite/interchange-3.c: Same.
 864         * gcc.dg/graphite/interchange-4.c: Same.
 865         * gcc.dg/graphite/interchange-5.c: Same.
 866         * gcc.dg/graphite/interchange-6.c: Same.
 867         * gcc.dg/graphite/interchange-7.c: Same.
 868         * gcc.dg/graphite/interchange-8.c: Same.
 869         * gcc.dg/graphite/interchange-9.c: Same.
 870         * gcc.dg/graphite/interchange-mvt.c: Same.
 871         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 872
 873 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 874
 875         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 876           background.
 877
 878 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 879
 880         * common.opt: Add -fgraphite-cloog-opts.
 881         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 882         * opts.c (decode_options): Same.
 883
 884 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * gcc.dg/graphite/id-17.c: New.
 887         * gcc.dg/graphite/pr41888.c: New.
 888         * gcc.dg/graphite/scop-22.c: New.
 889         * gfortran.dg/graphite/pr40982.f90: New.
 890
 891 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 892
 893         * graphite-dependences.c: Clarify comments.
 894         (build_pddr): Add an extra parameter direction.
 895         (graphite_legal_transform_dr): Use build_pddr.
 896         (dot_original_deps_stmt_1): Update use of build_pddr.
 897         (dot_transformed_deps_stmt_1): Same.
 898         (dot_original_deps): Same.
 899         (dot_transformed_deps): Same.
 900
 901         * gcc.dg/graphite/interchange-12.c: New.
 902         * gcc.dg/graphite/block-7.c: New.
 903
 904 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 905
 906         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 907         (pddr_transformed_scattering): Removed.
 908         (graphite_legal_transform_dr): Use build_pddr.
 909         (dot_original_deps_stmt_1): Same.
 910         (dot_transformed_deps_stmt_1): Same.
 911         (dot_original_deps): Same.
 912         (dot_transformed_deps): Same.
 913
 914 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 915
 916         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 917         (build_lexicographically_gt_constraint): Same.
 918         (dependence_polyhedron_1): Same.
 919         (dependence_polyhedron): Same.
 920
 921 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 922
 923         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 924         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 925         (lexicographically_gt_p): Change type of direction to int.
 926         (build_lexicographically_gt_constraint): Same.
 927         (dependence_polyhedron_1): Same.
 928         (dependence_polyhedron): Same.
 929         (pddr_original_scattering): Use integers for direction.
 930         (pddr_transformed_scattering): Same.
 931         (graphite_legal_transform_dr): Same.
 932         (graphite_carried_dependence_level_k): Same.
 933
 934 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 935
 936         * graphite-dependences.c (build_pairwise_constraint): Renamed
 937         ppl_build_relation.  Moved...
 938         (dr_equality_constraints): Use ppl_build_relation.
 939         (build_pairwise_scheduling_equality): Same.
 940         (build_pairwise_scheduling_inequality): Same.
 941         * graphite-ppl.c (ppl_build_relation): ...here.
 942         * graphite-ppl.h (ppl_build_relation): Declared.
 943
 944 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 945
 946         PR middle-end/42681
 947         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 948         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 949         Set gloog_error when such an expression failed to be built.
 950         (translate_clast): Early return when gloog_error is set.
 951         (gloog): Clear gloog_error.  When gloog_error is set, call
 952         set_ifsese_condition to enable the original code.  Return the status
 953         of the code generation based on gloog_error.
 954         * sese.c (set_ifsese_condition): New.
 955         * sese.h (set_ifsese_condition): Declared.
 956
 957         * g++.dg/graphite/pr42681.C: New.
 958
 959 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 960
 961         PR middle-end/42732
 962         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 963         rename_nb_iterations.
 964         * sese.c (rename_variables_in_operand): New.
 965         (rename_variables_in_expr): New.
 966         (rename_nb_iterations): New.
 967         (sese_adjust_liveout_phis): Update the rename_map.
 968         * sese.h (rename_nb_iterations): Declared.
 969         * tree-scalar-evolution.c (scev_reset_htab): New.
 970         (scev_reset): Call scev_reset_htab.
 971         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 972
 973         * gfortran.dg/graphite/pr42732.f: New.
 974
 975 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 976
 977         PR middle-end/42393
 978         * graphite-clast-to-gimple.c: Fix formatting.
 979         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 980         (expr_defined_in_loop_p): New.
 981         (add_loop_exit_phis): Also handle full expressions: remove from
 982         the rename_map the expressions defined in the loop that we're closing.
 983
 984         * gfortran.dg/graphite/pr42393-1.f90: New.
 985         * gfortran.dg/graphite/pr42393.f90: Add new flags
 986         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 987         make this testcase useful in the Graphite branch.
 988
 989 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-scop-detection.c (exclude_component_ref): Removed.
 992         (is_simple_operand): Removed.
 993         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 994
 995 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 996
 997         PR middle-end/42221
 998         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 999         the array indexing of ADDR_EXPRs.
1000
1001         * gcc.dg/graphite/pr42221.c: New.
1002
1003 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1004
1005         PR middle-end/42521
1006         * graphite.c (graphite_finalize): Call scev_reset.
1007         (graphite_transform_loops): Do not call scev_reset between the code
1008         generation of scops.
1009
1010         * gcc.dg/graphite/pr42521.c: New.
1011
1012 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * graphite-interchange.c (memory_stride_in_loop): Renamed
1015         pdr_stride_in_loop.
1016         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1017         (memory_strides_in_loop): Memoize the memory strides per loop.
1018         (lst_interchange_profitable_p): Do not initialize to zero the memory
1019         strides.
1020         * graphite-poly.h (struct lst): Add a field memory_strides.
1021         (LST_LOOP_MEMORY_STRIDES): New.
1022         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1023         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1024
1025 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1026
1027         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1028         memory_strides_in_loop.  Gather memory strides on a whole loop.
1029         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1030         (lst_interchange_profitable_p): Removed.
1031         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1032
1033 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1034
1035         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1036         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1037         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1038         Remove context_loop and level.
1039
1040 2010-01-07  Richard Guenther  <rguenther@suse.de>
1041
1042         PR tree-optimization/42641
1043         * sese.c (rename_map_elt_info): Use the SSA name version, do
1044         not hash pointers.
1045
1046 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1047
1048         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1049         blocked" only when both the strip mine and the interchange have
1050         been applied.
1051
1052         * gcc.dg/graphite/block-2.c: Removed.
1053         * gcc.dg/graphite/block-3.c: Add scan pattern.
1054         * gcc.dg/graphite/block-4.c: Same.
1055         * gcc.dg/graphite/block-5.c: Same.
1056         * gcc.dg/graphite/block-6.c: Same.
1057
1058 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1061         before allocating a new one.
1062         (copy_renames): Check that slot is not NULL.
1063         (mark_bb_with_pbb): Same.
1064         (compute_cloog_iv_types_1): Same.
1065         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1066         nest, and after LSTs.
1067         (lst_try_interchange_loops): Same.
1068
1069 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1070
1071         PR middle-end/42178
1072         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1073         the before, nest, and after LSTs.
1074         (lst_try_interchange): Removed.
1075         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1076         were modified.
1077         (lst_interchange_select_outer): Apply interchange on the outer loop
1078         until there are no more changes in the inner loops.
1079
1080 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1081
1082         Revert patch fixing PR middle-end/42221.
1083
1084 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         PR middle-end/42180
1087         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1088         GIMPLE_CALL.
1089
1090         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1091
1092 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1093
1094         PR middle-end/42180
1095         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1096         that contain only one statement.
1097
1098         * gfortran.dg/graphite/pr42180.f90: New.
1099
1100 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         PR middle-end/42393
1103         * gfortran.dg/graphite/pr42393.f90: New.
1104
1105 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         PR middle-end/42186
1108         * gfortran.dg/graphite/pr42186.f90: New.
1109
1110 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         PR middle-end/42205
1113         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1114         Insert the reduction copy in the same block as the phi node.
1115         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1116
1117         * gcc.dg/graphite/pr42205-1.c: New.
1118         * gcc.dg/graphite/pr42205-2.c: New.
1119
1120 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1121
1122         PR middle-end/42221
1123         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1124         the array indexing of ADDR_EXPRs.
1125
1126         * gcc.dg/graphite/pr42221.c: New.
1127
1128 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         PR middle-end/42178
1131         PR middle-end/42334
1132         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1133         index.  Call lst_interchange_select_inner only once.
1134         (lst_interchange_select_inner): Update use of lst_try_interchange.
1135         (lst_interchange_select_outer): Update.
1136
1137 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         PR middle-end/42178
1140         PR middle-end/42334
1141         * graphite-interchange.c (lst_try_interchange): Do not increment the
1142         the OUTER index when there is no AFTER kernel.  Do not increment the
1143         OUTER index for after processing the AFTER kernel.
1144         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1145         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1146         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1147         (scop_do_interchange): Update use of lst_interchange_select_outer.
1148
1149         * gfortran.dg/graphite/graphite.exp
1150         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1151         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1152         the graphite dump file.
1153         * gfortran.dg/graphite/interchange-2.f: Same.
1154         * gfortran.dg/graphite/pr42334-1.f: New.
1155
1156 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         PR middle-end/42178
1159         PR middle-end/42334
1160         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1161         that are empty.
1162         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1163         (lst_try_interchange): Reimplemented.
1164         (lst_interchange_select_inner): Same.
1165         (lst_do_interchange): Renamed lst_interchange_select_outer.
1166         Reimplemented.
1167         (scop_do_interchange): Update use of lst_interchange_select_outer.
1168
1169         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1170         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1171         * gcc.dg/graphite/pr42211.c: New.
1172         * gfortran.dg/graphite/pr42334.f90: New.
1173
1174 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         PR middle-end/42181
1177         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1178         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1179
1180         * gfortran.dg/graphite/pr42181.f90: New.
1181
1182 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1183
1184         PR middle-end/42284
1185         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1186         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1187         (detect_commutative_reduction_arg): Simplified.
1188         (detect_commutative_reduction): Early return when the argument of
1189         the close phi is not of an SSA_NAME.
1190
1191         * gcc.dg/graphite/pr42284.c: New.
1192
1193 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1194
1195         * dbgcnt.def (graphite_scop): New counter.
1196         * graphite.c: Include dbgcnt.h
1197         (graphite_transform_loops): Use new counter to limit transformations.
1198
1199 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1200
1201         PR middle-end/42285
1202         * graphite-scop-detection.c (graphite_can_represent_init): Also
1203         handle more complex MULT_EXPRs containing parameters by recursion
1204         on the structure.
1205
1206         * gfortran.dg/graphite/pr42285.f90: New.
1207
1208 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1209
1210         * g++.dg/graphite/pr42130.C: Fix type.
1211
1212 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1213
1214         * g++.dg/graphite/pr42130.C: Correct testcase.
1215
1216 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1217
1218         * Merge from mainline (154493:154734).
1219
1220 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1221
1222         * Merge from mainline (151362:154491).
1223
1224 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1225
1226         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1227         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1228
1229 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1230
1231         PR middle-end/42130
1232         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1233         translate_clast_for_loop): New.
1234         (translate_clast_for): Add a condition around the loop, to do not
1235         execute loops with zero iterations.
1236         * g++.dg/graphite/pr42130.C: New.
1237         * gcc.dg/graphite/pr35356-2.c: Adapt.
1238
1239 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1240
1241         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1242         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1243         Remove context_loop and level.
1244
1245 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1246
1247         * graphite-clast-to-gimple.c (translate_clast_user,
1248         translate_clast_for, translate_clast_guard): Simplify and move common
1249         elements to translate_clast().
1250         (translate_clast): Simplify and get common elements.
1251
1252 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1253
1254         * graphite-clast-to-gimple.c (translate_clast_user,
1255         translate_clast_for, translate_clast_guard): Split out of
1256         translate_clast.
1257
1258 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1259
1260         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1261         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1262         debug_clast_name_indexes_1, debug_clast_name_indexes,
1263         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1264         (clast_name_to_gcc, clast_to_gcc_expression,
1265         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1266         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1267         graphite_create_guard_cond_expr, graphite_create_new_loop,
1268         translate_clast): Add params_index.
1269         (initialize_cloog_names): Create parameter strings from scratch, do
1270         not reference other strings.
1271         (create_params_index): New.
1272         (gloog): Initialize params_index.
1273         * graphite-scop-detection (free_scops_1): Removed.
1274         (limit_scops): Use normal free_scops.
1275         * graphite-sese-to-poly.c (save_var_names): Removed.
1276         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1277         and SESE_PARAMS_INDEX.
1278         * sese.c (new_sese, free_sese): Dito.
1279         * sese.h (struct sese): Remove params_index, params_names.
1280         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1281
1282 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         Revert the following patch from 2009-09-14:
1285         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1286         tree-scalar-evolution.h, and then tree-data-ref.h.
1287         * graphite-clast-to-gimple.c: Same.
1288         * graphite-dependences.c: Same.
1289         * graphite-interchange.c: Same.
1290         * graphite-poly.c: Same.
1291         * graphite-scop-detection.c: Same.
1292         * graphite-sese-to-poly.c: Same.
1293         * graphite.c: Same.
1294         * lambda-code.c: Same.
1295         * matrix-reorg.c: Same.
1296         * tree-data-ref.c: Same.
1297         * tree-if-conv.c: Same.
1298         * tree-loop-distribu: Same.: Same.
1299         * tree-loop-linear.c: Same.
1300         * tree-parloops.c: Same.
1301         * tree-predcom.c: Same.
1302         * tree-vect-patterns.c: Same.
1303
1304 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         Revert patch from 2009-09-14.
1307         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1308         passes at -O1 and below.
1309
1310 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         PR middle-end/40281
1313         * gcc.dg/graphite/pr40281.c: New.
1314
1315         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1316         evolutions should not variate in inner loops.
1317
1318 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1319
1320         PR middle-end/42050
1321         * gfortran.dg/graphite/pr42050.f90: New.
1322
1323 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1324
1325         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1326         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1327
1328 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         * graphite-blocking.c (scop_do_block): New.
1331         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1332         * graphite-poly.h (scop_do_block): Declared.
1333
1334 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1337         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1338         to transform depth into the time_depth before calling
1339         pbb_number_of_iterations_at_time.
1340         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1341         lst_depth.
1342
1343 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         Reverted the patch for "scattering permutations" from 2009-10-28.
1346
1347         * graphite-poly.c (print_permutation): New.
1348         (debug_permutation): New.
1349         (new_poly_bb): Initialize PBB_PERMUTATION.
1350         (free_poly_bb): Free PBB_PERMUTATION.
1351         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1352         (struct pbb_permutation_elt): New.
1353         (PBB_PERMUTATION_ELT_STRIDE): New.
1354         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1355         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1356         (new_pbb_permutation_elt): New.
1357         (pbb_permutation_elt_free): New.
1358         (struct poly_bb): Add field permutation.
1359         (PBB_PERMUTATION): New.
1360         (print_permutation): Declared.
1361         (debug_permutation): Declared.
1362
1363 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1364
1365         * graphite-interchange.c (build_partial_difference): New.
1366         (memory_stride_in_loop): Refactored the computation of
1367         equality constraints into build_partial_difference function.
1368         Added support for debugging stride computations.
1369
1370 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1371
1372         * graphite-clast-to-gimple.c (gloog): Free if_region,
1373         if_region->true_region, and if_region->region.
1374         * sese.c (if_region_set_false_region): Free if_region->false_region.
1375         (create_if_region_on_edge): Do not use GGC_NEW.
1376         (move_sese_in_condition): Remove useless initialization.
1377
1378 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1379
1380         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1381         for the loops created by the loop distribution.  Do not modify the
1382         input LSTs.
1383         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1384         transformed schedule.  Call lst_update_scattering before data
1385         dependence analysis.
1386         (lst_try_interchange): Pass an extra parameter INDEX.
1387         (lst_do_interchange_1): New.
1388         (lst_do_interchange): Call lst_do_interchange_1.
1389         (scop_do_interchange): Call lst_update_scattering.
1390         * graphite-poly.c (apply_poly_transforms): Do not call
1391         lst_update_scattering.
1392         * graphite-poly.h (lst_pred): New.
1393         (lst_succ): New.
1394         (lst_find_first_pbb): Return NULL when not found.
1395         (lst_empty_p): New.
1396         (lst_insert_in_sequence): Allow LST1 to be NULL.
1397         (lst_replace): New.
1398         (lst_substitute_3): New.
1399         * gcc.dg/graphite/interchange-1.c: XFail.
1400         * gcc.dg/graphite/interchange-8.c: XFail.
1401         * gcc.dg/graphite/interchange-11.c: XFail.
1402
1403 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1404
1405         * graphite-interchange.c (lst_perfectly_nested_p): New.
1406         (lst_perfect_nestify): New.
1407         (lst_try_interchange_loops): Call store_lst_schedule,
1408         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1409         (scop_do_interchange): Avoid redundant legality test.
1410         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1411         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1412         * graphite-poly.h (psct_static_dim): New.
1413         (lst_dewey_number_at_depth): New.
1414         (lst_find_pbb): Restructured.
1415         (lst_find_first_pbb): Restructured.
1416         (lst_find_last_pbb): New.
1417         (lst_contains_p): New.
1418         (lst_contains_pbb): New.
1419         (lst_create_nest): New.
1420         (lst_remove_from_sequence): New.
1421         (pbb_update_scattering): New.
1422         (lst_update_scattering_under): New.
1423         (lst_update_scattering_seq): New.
1424         (lst_update_scattering): New.
1425         (lst_insert_in_sequence): New.
1426         (lst_distribute_lst): New.
1427         (lst_remove_all_before_including_pbb): New.
1428         (lst_remove_all_before_excluding_pbb): New.
1429
1430 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1431
1432         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1433         get_loop_exit_edges.
1434
1435 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1438
1439 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1440
1441         * graphite-poly.c (print_permutation): New.
1442         (debug_permutation): New.
1443         (new_poly_bb): Initialize PBB_PERMUTATION.
1444         (free_poly_bb): Free PBB_PERMUTATION.
1445         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1446         (struct pbb_permutation_elt): New.
1447         (PBB_PERMUTATION_ELT_STRIDE): New.
1448         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1449         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1450         (new_pbb_permutation_elt): New.
1451         (pbb_permutation_elt_free): New.
1452         (struct poly_bb): Add field permutation.
1453         (PBB_PERMUTATION): New.
1454         (print_permutation): Declared.
1455         (debug_permutation): Declared.
1456
1457 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite-clast-to-gimple.c (gloog): Do not call
1460         sese_reset_aux_in_loops.
1461         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1462         extra argument for domains.  Do not use loop->aux.
1463         (build_scop_iteration_domain): Initialize and free domains, pass it
1464         to build_loop_iteration_domains and extract the information from
1465         domains.  Do not use loop->aux.
1466         * sese.c (sese_reset_aux_in_loops): Removed.
1467         * sese.h (sese_reset_aux_in_loops): Removed.
1468
1469 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1470
1471         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1472         (dependency_in_loop_p): Same.
1473         (translate_clast): Do not use loop->aux.  Initialize
1474         loop->can_be_parallel.
1475         (mark_loops_parallel): Removed.
1476         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1477         * graphite.c (free_aux_in_new_loops): Removed.
1478         (graphite_finalize): Do not call free_aux_in_new_loops.
1479         (graphite_transform_loops): Do not call mark_loops_parallel.
1480
1481 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1482
1483         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1484         (translate_clast): Pass an extra parameter LEVEL.
1485         Call get_scattering_level.
1486         * graphite-clast-to-gimple.h (get_scattering_level): New.
1487
1488 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1491         * cfgloop.h (struct loop): New field single_iv.
1492
1493         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1494         loop->aux anymore: use loop->single_iv.
1495         (graphite_loop_normal_form): Moved...
1496         (build_graphite_loop_normal_form): Removed.
1497         (gloog): Do not call build_graphite_loop_normal_form.
1498         (free_aux_in_new_loops): Moved...
1499         (mark_loops_parallel): Restructure.
1500         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1501         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1502         (scop_canonicalize_loops): New.
1503         (build_poly_scop): Call scop_canonicalize_loops.
1504         * graphite.c (free_aux_in_new_loops): ...here.
1505
1506 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1507
1508         * g++.dg/graphite/graphite.exp: Add the same rules as in
1509         gcc.dg/graphite/graphite.exp.
1510
1511 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * g++.dg/graphite/id-1.C: New.
1514
1515 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1516
1517         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1518         argument base_name.
1519         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1520         (rewrite_phi_out_of_ssa): Same.
1521         (rewrite_cross_bb_scalar_deps): Same.
1522         (translate_scalar_reduction_to_array): Same.
1523
1524 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1527         dump_alias_graphs.
1528
1529 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1530
1531         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1532         (build_scop_drs): Call dump_alias_graphs.
1533
1534 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1535
1536         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1537         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1538         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1539         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1540         * graphite-poly.h (free_lst): New.
1541         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1542         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1543
1544 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         * graphite-poly.h (struct scop): Add a field saved_schedule.
1547         (SCOP_SAVED_SCHEDULE): New.
1548         (store_lst_schedule): New.
1549         (restore_lst_schedule): New.
1550         (store_scattering): Call store_lst_schedule.
1551         (restore_scattering): Call restore_lst_schedule.
1552
1553 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1556         (pdr_add_alias_set): Same.
1557         (build_poly_dr): Same.
1558         (build_alias_set_optimal_p): Same.
1559         (build_base_obj_set_for_drs): Same.  Do not store the result of
1560         graphds_dfs.
1561
1562 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1565         all_components_are_cliques to 1.
1566
1567 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1568
1569         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1570         the new structure.
1571         (pdr_add_alias_set): Update retrieving alias_set_num.
1572         (build_poly_dr): Update retrieving dr_base_object_set.
1573         (partition_drs_to_sets): Remove.
1574         (build_alias_set_optimal_p): New.
1575         (build_alias_set_for_drs): Rename.
1576         (build_scop_drs): Update.
1577         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1578         (ALIAS_SET_INDEX): Remove.
1579         (BASE_OBJECT_SET_INDEX): Remove.
1580
1581 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1584
1585 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1586
1587         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1588         loop upper bounds for 1-element arrays at end of structures.
1589         * tree-flow.h (array_at_struct_end_p): Declared.
1590         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1591
1592 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1593
1594         * g++.dg/graphite/pr41305.C: New.
1595
1596 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1597
1598         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1599         construction of parameter constraints from loop iteration analysis.
1600         * gcc.dg/graphite/run-id-2.c: New test.
1601
1602 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1605         and new_cstr.
1606
1607 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1608
1609         * graphite-dependences.c (dependence_polyhedron_1): Remove
1610         unused gdim dimensions from the DDR polyhedron.
1611
1612 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * graphite-dependences.c (pddr_transformed_scattering): New.
1615         (dot_original_deps_stmt_1): New.
1616         (dot_transformed_deps_stmt_1): New.
1617         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1618         dot_transformed_deps_stmt_1.
1619         (dot_original_deps): New.
1620         (dot_transformed_deps): New.
1621         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1622
1623 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * graphite-dependences.c (reduction_dr_1): Remove wrong
1626         assert: reduction BBs can have multiple reduction writes
1627         to memory.  interchange-3.f90 is an example.
1628
1629 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * gfortran.dg/graphite/interchange-3.f90: New.
1632
1633 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1636
1637 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         * graphite-dependences.c (dependence_polyhedron_1): Add the
1640         context to the dependence polyhedron.
1641
1642 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1643
1644         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1645         PBB_PDR_DUPLICATES_REMOVED.
1646         (new_poly_bb): Same.
1647
1648 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1649
1650         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1651         SCOP_CONTEXT.
1652         (build_loop_iteration_domains): Extract bounds on parameters
1653         based on the data size.
1654         (build_scop_context): Do not initialize SCOP_CONTEXT;
1655         add new constraints.
1656
1657 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1658
1659         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1660         * graphite-ppl.h (graphite-ppl.h): Declared.
1661
1662 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1663
1664         * graphite-ppl.c (ppl_print_linear_expr): New.
1665         (debug_ppl_linear_expr): New.
1666         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1667         (debug_ppl_linear_expr): Declared.
1668
1669 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * graphite-interchange.c: Fix comments.
1672         * gcc.dg/graphite/block-1.c: Fix comments.
1673
1674 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1677         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1678
1679 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         Reapply the patch from Alexander Monakov that disappeared during
1682         the last merges from trunk.
1683
1684         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1685
1686         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1687         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1688
1689 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         * graphite-interchange.c (memory_stride_in_loop): The depth
1692         argument corresponds to a dynamic time dimension, so use
1693         psct_dynamic_dim to refer to the transformed scattering dimension.
1694
1695 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1698
1699 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1700
1701         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1702         root of the LST.
1703         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1704         the root of the LST.
1705         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1706         fake loop.
1707         (print_lst): Print the root of LST in a different format.
1708         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1709
1710 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1713
1714 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1715
1716         * doc/passes.texi: Document the Graphite infrastructure.
1717
1718 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1719
1720         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1721         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1722         and check the SSA representation.
1723
1724         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1725
1726 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1729
1730 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1731
1732         * gcc.dg/graphite/interchange-11.c: New.
1733
1734 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1735
1736         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1737
1738 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1741         Add -fno-loop-strip-mine and -fno-loop-interchange.
1742         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1743         -fno-loop-strip-mine.
1744         * gfortran.dg/graphite/graphite.exp: Same.
1745
1746 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1749         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1750         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1751         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1752         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1753         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1754         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1755         DEFAULT_FLAGS_GRAPHITE_SCOP.
1756         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1757         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1758
1759 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1760
1761         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1762
1763 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1764             Sebastian Pop  <sebastian.pop@amd.com>
1765
1766         * graphite-interchange.c (build_linearized_memory_access): Pass an
1767         offset as parameter.
1768         (memory_stride_in_loop): Include transform scattering in the
1769         access functions to be able to querry the strides in the
1770         transformed loops.
1771         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1772         not the psct_iterator_dim.
1773
1774 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1777         (lst_do_strip_mine_loop): New.
1778         (lst_do_strip_mine): New.
1779         (scop_do_strip_mine): Call lst_do_strip_mine.
1780         * graphite-poly.h (lst_add_loop_under_loop): New.
1781         (lst_find_first_pbb): New.
1782
1783 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1784
1785         * graphite-poly.c (loop_to_lst): Fix LST creation.
1786
1787 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1788
1789         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1790         sizeof(unsigned long) to make it run on 32bit systems.
1791
1792 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1793
1794         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1795         SEGFAULT on 32bit.
1796
1797 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1798
1799         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1800         Comment.
1801         (write_alias_graph_to_ascii_dot): New.
1802         (write_alias_graph_to_ascii_ecc): Ditto.
1803         (partition_drs_to_sets): Add testing of optimality of current method
1804         which assigns alias numbers according to DFS Comopnent number.  used
1805         as heuristic for the upcoming ECC algorithm.
1806         (build_scop_drs): Write to file also with the ecc and dot format.
1807
1808 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * gfortran.dg/graphite/interchange-1.f: XFail.
1811
1812 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite.c (graphite_initialize): Do not handle functions with
1815         more than 100 basic blocks.
1816
1817 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite-blocking.c (pbb_do_strip_mine): Use
1820         PARAM_LOOP_BLOCK_TILE_SIZE.
1821
1822 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1823
1824         * graphite-poly.c (dot_lst_1): New.
1825         (dot_lst): New.
1826         * graphite-poly.h (dot_lst): Declared.
1827
1828 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * graphite-dependences.c (dot_deps_stmt_1): New.
1831         (dot_deps_stmt): New.
1832         * graphite-dependences.h (dot_deps_stmt): Declared.
1833
1834 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1835
1836         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1837         not replace cross BB scalar dependences ending on PHI nodes.
1838         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1839
1840 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1841
1842         * graphite-poly.c (apply_poly_transforms): Implement the high
1843         level driver for flag_loop_block.
1844         * opts.c (decode_options): Enable flag_loop_block at -O2.
1845         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1846         flag_loop_block.
1847
1848         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1849         -floop-block.
1850         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1851         Add -floop-block.
1852
1853 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * graphite-poly.h (lst_find_pbb): New.
1856         (find_lst_loop): New.
1857
1858 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1859
1860         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1861         * graphite-poly.h (struct scop): Remove dep_graph field.
1862         (SCOP_DEP_GRAPH): Removed.
1863
1864 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * graphite-poly.h (copy_lst): Do full copy of LST.
1867
1868 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1869
1870         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1871         when the loop stride is zero.
1872
1873         * gcc.dg/graphite/id-16.c: New.
1874
1875 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * graphite-dependences.c (reduction_dr_1): New.
1878         (reduction_dr_p): New.
1879         (graphite_legal_transform_dr): Call reduction_dr_p.
1880         (reduction_ddr): Renamed reduction_ddr_p.
1881         * graphite-poly.h (same_pdr_p): New.
1882         (number_of_write_pdrs): New.
1883         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1884         (split_reduction_stmt): Do not split reduction statements
1885         when there are no writes to memory.
1886         (translate_scalar_reduction_to_array_for_stmt): Insert the
1887         memory reduction statement just after the scalar reduction statement.
1888
1889         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1890         Un-XFAIL-ed.
1891         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1892         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1893
1894 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1895
1896         * graphite-interchange.c (lst_apply_interchange): New.
1897         (lst_interchange_profitable_p): New.
1898         (lst_try_interchange_loops): New.
1899         (lst_try_interchange): New.
1900         (lst_do_interchange): New.
1901         (pbb_do_interchange): Removed.
1902         (scop_do_interchange): Call lst_do_interchange.
1903
1904 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1905
1906         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1907         SCOP_TRANSFORMED_SCHEDULE.
1908         (loop_to_lst): New.
1909         (scop_to_lst): New.
1910         (print_lst): New.
1911         (debug_lst): New.
1912         * graphite-poly.h (lst_p): New.
1913         (struct lst): New.
1914         (LST_LOOP_P): New.
1915         (LST_LOOP_FATHER): New.
1916         (LST_PBB): New.
1917         (LST_SEQ): New.
1918         (scop_to_lst): Declared.
1919         (print_lst): Declared.
1920         (debug_lst): Declared.
1921         (new_lst_loop): New.
1922         (new_lst_stmt): New.
1923         (copy_lst): New.
1924         (lst_depth): New.
1925         (lst_dewey_number): New.
1926         (struct scop): Add original_schedule and transformed_schedule fields.
1927         (SCOP_ORIGINAL_SCHEDULE): New.
1928         (SCOP_TRANSFORMED_SCHEDULE): New.
1929         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1930
1931 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-dependences.c (reduction_ddr): New.
1934         (graphite_legal_transform_bb): Call reduction_ddr.
1935         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1936         Initialize PBB_IS_REDUCTION.
1937         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1938         (PBB_IS_REDUCTION): New.
1939         (new_poly_bb): Update declaration.
1940         * graphite-scop-detection.h (build_scop_bbs): Removed.
1941         (nb_reductions_in_loop): Removed.
1942         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1943         parameter for reductions.
1944         (try_generate_gimple_bb): Update call to new_poly_bb.
1945         (build_scop_bbs_1): Same.
1946         (build_scop_bbs): Same.
1947         (gsi_for_phi_node): New.
1948         (scalar_close_phi_node_p): Remove gcc_assert.
1949         (split_reduction_stmt): New.
1950         (is_reduction_operation_p): New.
1951         (phi_contains_arg): New.
1952         (follow_ssa_with_commutative_ops): New.
1953         (detect_commutative_reduction_arg): New.
1954         (detect_commutative_reduction_assign): New.
1955         (follow_inital_value_to_phi): New.
1956         (edge_initial_value_for_loop_phi): New.
1957         (initial_value_for_loop_phi): New.
1958         (detect_commutative_reduction): New.
1959         (translate_scalar_reduction_to_array_for_stmt): New.
1960         (insert_copyout): New.
1961         (insert_copyin): New.
1962         (translate_scalar_reduction_to_array): New.
1963         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1964         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1965         (rewrite_commutative_reductions_out_of_ssa): New.
1966         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1967         * sese.h (split_region_for_bb): New.
1968
1969         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1970         * gcc.dg/graphite/interchange-1.c: Fix format.
1971         * gcc.dg/graphite/interchange-10.c: New.
1972
1973 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1974
1975         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1976         buggy assert.
1977
1978 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1981         (rewrite_cross_bb_scalar_dependence): New.
1982         (rewrite_cross_bb_scalar_deps): New.
1983         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1984         Call rewrite_cross_bb_scalar_deps.
1985
1986 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1989         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1990         gsi_for_stmt.
1991
1992 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1993
1994         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1995         * graphite-interchange.c (pbb_do_interchange): Same.
1996         * graphite-poly.c (print_scattering_function): Same.
1997         (debug_pdrs): Same.
1998         * graphite-poly.h (pbb_loop): New.
1999         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2000
2001 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2002
2003         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2004
2005 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2008         so don't pass a pointer to it.
2009         (build_alias_set_for_drs): Same.
2010         (build_base_obj_set_for_drs): Same.
2011         (build_scop_drs): Same.
2012
2013 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2014
2015         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2016         the alias graph of data references.
2017
2018 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2019
2020         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2021         (build_scop_drs): When debugging, write the alias graph to file,
2022         otherwise, should be disabled.
2023
2024 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2025
2026         * Merge from mainline (151310:151361).
2027
2028 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         * Merge from mainline (151171:151310).
2031
2032 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         * Merge from mainline (151171:151806).
2035
2036 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * Revert the last commit.
2039
2040 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2041
2042         * Merge from mainline (151171:151819).
2043
2044 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2045
2046         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2047         (is_simple_operand): Remove call to stmt_simple_memref_p.
2048         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2049
2050 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2051
2052         * gcc.dg/graphite/interchange-mvt.c: New File.
2053         * gcc.dg/graphite/scop-dsyrk.c: New File.
2054         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2055         * gcc.dg/graphite/scop-mvt.c: New File.
2056         * gcc.dg/graphite/scop-sor.c: New File.
2057
2058 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2059
2060         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2061         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2062         (graphite_carried_dependence_level_k): Ditto.
2063         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2064         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2065         (new_poly_dr): Adjust declaration.
2066         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2067         (free_gimple_bb): Added free_data_refs_aux.
2068         (build_poly_dr): Add dr_base_object_set.
2069         (partition_drs_to_sets): New.
2070         (dr_same_base_object_p): New.
2071         (build_alias_set_for_drs): New.
2072         (build_base_object_set_for_drs): New.
2073         (build_scop_drs): Add build_base_obj_set_for_drs.
2074         * graphite-sese-to-poly.h: Added #define for alias set number index and
2075         base object set index.
2076         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2077         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2078
2079 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2080
2081         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2082         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2083
2084 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * graphite-sese-to-poly.c (struct irp_data): Removed.
2087         (idx_record_params): Removed.
2088         (find_params_in_bb): Scan for parameters the access functions; don't
2089         parse the tree representation.
2090
2091 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2094         passes at -O1 and below.
2095
2096 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2099         tree-scalar-evolution.h, and then tree-data-ref.h.
2100         * graphite-clast-to-gimple.c: Same.
2101         * graphite-dependences.c: Same.
2102         * graphite-interchange.c: Same.
2103         * graphite-poly.c: Same.
2104         * graphite-scop-detection.c: Same.
2105         * graphite-sese-to-poly.c: Same.
2106         * graphite.c: Same.
2107         * lambda-code.c: Same.
2108         * matrix-reorg.c: Same.
2109         * tree-data-ref.c: Same.
2110         * tree-if-conv.c: Same.
2111         * tree-loop-distribu: Same.: Same.
2112         * tree-loop-linear.c: Same.
2113         * tree-parloops.c: Same.
2114         * tree-predcom.c: Same.
2115         * tree-vect-patterns.c: Same.
2116
2117 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         Partially revert the previous patch, except the following.
2120         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2121         as parameters the operands of the not expression.
2122
2123 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2124
2125         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2126         Do not call analyze_scalar_evolution on assignments.
2127         (instantiate_scev_phi): Call analyze_scalar_evolution.
2128         (instantiate_scev_name): Call instantiate_scev_assign and
2129         instantiate_scev_phi.
2130         (instantiate_scev_not): Adapted to pass as parameters the operands
2131         of the not expression.
2132
2133 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2136         to pass as parameters the operands of the binary expression.
2137
2138 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2141         instantiate_scev_not.  Handle NEGATE_EXPR.
2142         (instantiate_scev_r): Handle NEGATE_EXPR.
2143
2144 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2145
2146         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2147         instantiate_scev_r.
2148         (instantiate_scev_r): Move code in instantiate_scev_2
2149         and instantiate_scev_1.
2150
2151 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * tree-scalar-evolution.c (instantiate_scev_3): New.
2154         (instantiate_scev_1): Move code in instantiate_scev_3.
2155
2156 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2159         (instantiate_scev_1): Move code in instantiate_scev_poly.
2160
2161 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2164         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2165
2166 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2167
2168         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2169         (instantiate_scev_1): Move code in instantiate_scev_convert.
2170
2171 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2172
2173         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2174         (instantiate_scev_1): Move code in instantiate_scev_binary.
2175
2176 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * tree-scalar-evolution.c (instantiate_scev_name): New.
2179         (instantiate_scev_1): Move code in instantiate_scev_name.
2180
2181 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2182
2183         * Merge from mainline (150992:151171).
2184
2185 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2186
2187         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2188
2189 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2190
2191         * graphite-dependences.c (graphite_legal_transform_bb): Call
2192         pbb_remove_duplicate_pdrs.
2193         * graphite-poly.c (can_collapse_pdr): Removed.
2194         (pdr_find_duplicate): Removed.
2195         (can_collapse_pdrs): New.
2196         (pbb_remove_duplicate_pdrs): New.
2197         (new_poly_dr): Do not look for duplicates.
2198         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2199         (PBB_PDR_DUPLICATES_REMOVED): New.
2200         (pbb_remove_duplicate_pdrs): Declared.
2201
2202 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2203
2204         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2205         the strides by multiplying by PDR_NB_REFS.
2206         * graphite-poly.c (can_collapse_pdr): New.
2207         (pdr_find_duplicate): New.
2208         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2209         Initialize PDR_NB_REFS.
2210         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2211         (PDR_NB_REFS): New.
2212         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2213
2214 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2215
2216         Revert one of the previous commits:
2217         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2218         the computation of symmetric data dependence relations.
2219         (dependency_between_pbbs_p): Same.
2220
2221 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         PR middle-end/40965
2224         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2225         any transform.
2226
2227 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * graphite-dependences.c (pddr_original_scattering): Return NULL
2230         for read-read dependence relations.
2231         * graphite-poly.h (enum poly_dr_type): Fix comment.
2232         (pdr_read_p): New.
2233         (pdr_write_p): New.
2234         (pdr_may_write_p): New.
2235
2236 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2239         (struct poly_dr): Same.
2240         (new_poly_dr): Same.
2241         * graphite-poly.c (new_poly_dr): Same.
2242
2243 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2244             Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2247         pbb_strip_mine_time_depth.  Changed the implementation so that
2248         transformation is expressed as a transformation on
2249         time (scatttering) dimensions.  Also, ensures that the 2d+1
2250         scheduling format is preserved.
2251         (pbb_strip_mine_profitable_p): Profitability is based on the
2252         iteration number of a given time (scattering) dimension,
2253         and not on a original loop depth dimension.
2254         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2255         (pbb_do_strip_mine): Call psct_dynamic_dim.
2256         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2257         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2258         (pbb_nb_dynamic_scattering_transform): New.
2259         (psct_dynamic_dim): New.
2260
2261 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2262
2263         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2264         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2265         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2266         * graphite-interchange.c (build_linearized_memory_access): Same.
2267         (memory_stride_in_loop): Same.
2268
2269 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * graphite-dependences.c (pddr_original_scattering): New.
2272         (graphite_legal_transform_dr): Call pddr_original_scattering.
2273         (dot_deps_1): New.
2274         (dot_deps): New.
2275         * graphite-dependences.h (dot_deps): Declared.
2276         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2277         (print_pdr): Print PDR_ID.
2278         * graphite-poly.h (struct poly_dr): Add field id.
2279         (PDR_ID): New.
2280         (pbb_index): New.
2281         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2282
2283 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2284
2285         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2286         not delete the original dependence relation.
2287
2288 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2291         the computation of symmetric data dependence relations.
2292         (dependency_between_pbbs_p): Same.
2293
2294 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2297         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2298         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2299         (free_poly_ddr): New.
2300         (pddr_is_empty): New.
2301         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2302         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2303         Remove fprintfs.
2304         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2305         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2306         * graphite-dependences.h (enum poly_dependence_kind): New.
2307         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2308         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2309         (PDRP_SINK): Renamed PDDR_SINK.
2310         (PDRP_DDP): Renamed PDDR_DDP.
2311         (PDDR_KIND): New.
2312         (free_poly_ddr): Declared.
2313         * graphite-poly.c (new_scop): Use the new hash function names.
2314         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2315         into original_pddrs.
2316         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2317
2318 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2319
2320         * Merge from mainline (150764:150992).
2321
2322 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2323
2324         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2325         bounds with LT_EXPR to make niter analysis more precise on code
2326         generated by Graphite.
2327
2328 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2329
2330         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2331         (graphite_legal_transform_bb): Same.
2332         (poly_drs_may_alias_p): Same.
2333
2334 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2335
2336         PR middle-end/40981
2337         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2338         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2339
2340 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2341
2342         * graphite-poly.c (print_pbb): Print PBB index.
2343
2344 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * Merge from mainline (r150672:150764).
2347
2348 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2349
2350         * graphite-interchange.c (ppl_max_for_le): Moved...
2351         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2352         * graphite-ppl.c (ppl_max_for_le): ... here.
2353         * graphite-ppl.h (ppl_max_for_le): Declared.
2354
2355 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2356
2357         * Merge from mainline (r150372:150672).
2358
2359 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2360
2361         PR middle-end/40980
2362         * sese.c (convert_for_phi_arg): New.
2363         (add_guard_exit_phis): Use convert_for_phi_arg.
2364
2365         * gfortran.dg/graphite/id-17.f: New.
2366
2367 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2368
2369         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2370         unknown subscript upper bounds.
2371
2372         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2373
2374 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2375             Pranav Garg  <pranav.garg2107@gmail.com>
2376
2377         * graphite-interchange.c (gather_access_strides): Removed.
2378         (ppl_max_for_le): New.
2379         (build_linearized_memory_access): New.
2380         (memory_stride_in_loop): New.
2381         (pbb_interchange_profitable_p): Reimplemented.
2382         * graphite-ppl.h (ppl_new_id_map): New.
2383         (ppl_interchange): New.
2384
2385         * gcc.dg/graphite/interchange-6.c: XFAILed.
2386
2387 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2388
2389         * graphite-interchange.c (compute_subscript): Removed.
2390         (compute_array_size_cstr): Removed.
2391         (compute_array_size_poly): Removed.
2392         (compute_array_size): Removed.
2393         (gather_access_strides_poly): Removed.
2394         (gather_access_strides): Empty.
2395
2396 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * graphite-dependences.c (dependence_polyhedron_1): Replace
2399         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2400         (graphite_legal_transform_dr): Same.
2401         (graphite_carried_dependence_level_k): Same.
2402         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2403         Initialize PDR_NB_SUBSCRIPTS.
2404         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2405         PDR_NB_SUBSCRIPTS.
2406         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2407         (PDR_NB_SUBSCRIPTS): New.
2408         (pdr_nb_subscripts): Removed.
2409         (pdr_dim): Simplified.
2410         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2411         with PDR_NB_SUBSCRIPTS.
2412
2413 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2414
2415         * graphite-interchange.c (compute_array_size): Remove use of
2416         PDR_DATA_CONTAINER.
2417         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2418         Do not initialize PDR_DATA_CONTAINER.
2419         (print_pdr): Do not print PDR_DATA_CONTAINER.
2420         * graphite-poly.h (struct poly_dr): Remove data_container field.
2421         (PDR_DATA_CONTAINER): Removed.
2422         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2423         PDR_DATA_CONTAINER.
2424         (build_poly_dr): Same.
2425
2426 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2427
2428         * gcc.dg/graphite/interchange-9.c: New.
2429
2430 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2431             Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2434         copy of the dependence polyhedron.  Free the temporary objects.
2435         (graphite_carried_dependence_level_k): Free unused objects before
2436         returning.
2437
2438         * gcc.dg/graphite/interchange-1.c: XFAILed.
2439         * gcc.dg/graphite/interchange-2.c: XFAILed.
2440         * gcc.dg/graphite/interchange-3.c: XFAILed.
2441         * gcc.dg/graphite/interchange-4.c: XFAILed.
2442         * gcc.dg/graphite/interchange-7.c: XFAILed.
2443
2444 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2447         Early return without analyzing the data dependences if no
2448         transform has been done.  Call restore_scattering if the transform
2449         is not legal.
2450         (graphite-interchange.c): Same.
2451         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2452         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2453         (apply_poly_transforms): Do not gcc_assert that
2454         the transform is legal.
2455         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2456         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2457         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2458         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2459         * graphite-poly.h (struct poly_scattering): New.
2460         (struct poly_bb): Add original, transformed, and saved fields.
2461         Remove transformed_scattering, original_scattering, nb_local_variables,
2462         and nb_scattering_transform fields.
2463         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2464         (poly_scattering_new): New.
2465         (poly_scattering_free): New.
2466         (poly_scattering_copy): New.
2467         (store_scattering_pbb): New.
2468         (store_scattering): New.
2469         (restore_scattering_pbb): New.
2470         (restore_scattering): New.
2471         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2472         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2473
2474 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2475
2476         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2477         (print_scop): Same.
2478
2479 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2480
2481         * Makefile.in (graphite.o): Depends on PREDICT_H.
2482         * graphite.c: Include predict.h.
2483         (graphite_finalize): Call tree_estimate_probability.
2484         * predict.c (predict_loops): Do not call scev_initialize and
2485         scev_finalize.
2486         (tree_estimate_probability_bb): New.
2487         (tree_estimate_probability): Do not initialize loops: move that
2488         code to the driver.  Call tree_estimate_probability_bb.
2489         (tree_estimate_probability_driver): New.
2490         (pass_profile): Use tree_estimate_probability_driver.
2491         * predict.h (tree_estimate_probability): Declared.
2492
2493 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2494
2495         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2496         * graphite-dependences.c (graphite_legal_transform): Add time to
2497         TV_GRAPHITE_DATA_DEPS.
2498         (dependency_between_pbbs_p): Same.
2499         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2500
2501 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2502
2503         * Merge from mainline (r149952:150372).
2504
2505 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2506
2507         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2508         * graphite-blocking.c: Same.
2509         * graphite-clast-to-gimple.c: Same.
2510         * graphite-dependences.c: Same.
2511         * graphite-poly.c: Same.
2512         * graphite-poly.h: Same.
2513         * graphite-ppl.c: Same.
2514         * graphite-scop-detection.c: Same.
2515         * graphite-sese-to-poly.c: Same.
2516         * graphite.c: Same.
2517
2518 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2519
2520         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2521         (remove_simple_copy_phi): New.
2522         (remove_invariant_phi): New.
2523         (simple_copy_phi_p): New.
2524         (reduction_phi_p): New.
2525         (gsi_for_ssa_name_def): New.
2526         (insert_out_of_ssa_copy): New.
2527         (insert_out_of_ssa_copy_on_edge): New.
2528         (create_zero_dim_array): New.
2529         (scalar_close_phi_node_p): New.
2530         (rewrite_close_phi_out_of_ssa): New.
2531         (rewrite_phi_out_of_ssa): New.
2532         (rewrite_reductions_out_of_ssa): New.
2533         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2534
2535         * gcc.dg/graphite/id-11.c: New.
2536         * gcc.dg/graphite/id-15.c: New.
2537         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2538         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2539         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2540         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2541         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2542         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2543         * gfortran.dg/graphite/id-13.f: New.
2544         * gfortran.dg/graphite/id-5.f: New.
2545
2546 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2549         check that nb_reductions_in_loop is zero.
2550         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2551         reduction phi nodes.
2552         (nb_reductions_in_loop): Removed.
2553         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2554         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2555         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2556         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2557         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2558
2559 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2562         statements that have an empty iteration domain.
2563         * gfortran.dg/graphite/id-16.f: New.
2564
2565 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2566
2567         * tree-scalar-evolution.c (instantiate_scev_1): Return
2568         chrec_dont_know when the result is not above instantiate_below.
2569         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2570         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2571         the tree has a known scalar evolution.
2572         * gfortran.dg/graphite/id-14.f: New.
2573         * gfortran.dg/graphite/id-15.f: New.
2574
2575 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2576
2577         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2578         insert_gsi.
2579         (rename_variables): Keep inserting renames after the ones already
2580         inserted.
2581
2582 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2583
2584         * graphite-sese-to-poly.c (compare_bb_depths): New.
2585         (graphite_sort_dominated_info): New.
2586         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2587         (build_scop_scattering): Fix comment.
2588
2589 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591         * graphite.c (graphite_finalize): Call print_loops instead of
2592         dump_function_to_file.
2593         * gcc.dg/graphite/graphite.exp: Fix formatting.
2594         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2595         loops generated in the graphite output file.
2596         * gcc.dg/graphite/pr35356-2.c: New.
2597         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2598         * gfortran.dg/graphite/id-12.f: New.
2599
2600 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2601
2602         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2603         Remove 2 XFAIL.
2604
2605 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2606             Tobias Grosser  <grosser@fim.uni-passau.de>
2607
2608         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2609         alias set number build alias in ACCESSES polyhedron.
2610         (build_alias_set_for_drs): New.
2611         (build_pbb_drs): Added build_alias_set_for_drs.
2612         * graphite-dependences.c (poly_drs_may_alias_p): New.
2613         (graphite_carried_dependence_level_k): Check alias information
2614         before building polyhedron.
2615
2616 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2617
2618         * Makefile.in (lambda-code.o): Fix formatting.
2619
2620 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2621
2622         * Merge from mainline (r149350-149952)
2623
2624 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2625
2626         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2627         before interchange to prepare for loop blocking.
2628
2629 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2630
2631         * graphite-poly.c (apply_poly_transforms): Add checks after every
2632         transformation.
2633         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2634         done in apply_poly_transforms.
2635
2636 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2637
2638         * graphite-dependences.c (build_lexicographically_gt_constraint):
2639         Replace RES parameter with *RES.
2640         (dependence_polyhedron_1): Pass an address of the parameter RES
2641         instead of value of RES.
2642
2643 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2644
2645         * graphite.c (graphite_finalize): Fix comment.
2646         (graphite_transform_loops): Reset scev info after code generation
2647         of each scop.
2648
2649 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         * graphite.c (graphite_finalize): Call scev_reset.
2652
2653 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2654
2655         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2656         GBB_CLOOG_IV_TYPES hash table twice.
2657         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2658         (add_condition_to_domain): Clear GMP values.
2659
2660 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2661
2662         * graphite-dependences.c: Fix formatting.
2663         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2664         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2665         * graphite-sese-to-poly.c: Fix formatting.
2666         * graphite.c (graphite_transform_loops): Create the hash table
2667         after the early return.
2668
2669 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2670
2671         * gcc.dg/graphite/id-14.c: New.
2672         * gcc.dg/graphite/pr40157.c: New.
2673         * gfortran.dg/graphite/id-11.f: New.
2674
2675 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2676
2677         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2678         (build_poly_scop): Return false when there are no pbbs within
2679         loops to avoid to pass to cloog scops with no loops.
2680
2681 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2682
2683         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2684         useless test "i % 2".
2685         (build_pbb_scattering_polyhedrons): Fix formatting.
2686         (build_poly_dr): Same.
2687         * graphite.c (graphite_transform_loops): Restructure.
2688
2689 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2690
2691         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2692         reduction_list parameter.
2693         (rewrite_all_phi_nodes_with_iv): Same.
2694         (canonicalize_loop_ivs): Same.
2695         * tree-parloops.c (struct brli): Removed.
2696         (build_reduction_list_info): Removed.
2697         (build_new_reduction): New.
2698         (analyze_reduction_list): Removed.
2699         (gather_scalar_reductions): Find reductions instead of phi
2700         nodes that can't be canonicalized.
2701         (try_create_reduction_list): Remove reduction_list parameter.
2702         (gen_parallel_loop): Same.
2703         (parallelize_loops): Remove analyze_reductions variable,
2704         initialization and free.
2705         Change reduction_list htab initialization to reduction_info
2706         elements instead of ssa names.
2707         Call try_create_reduction_list and gen_parallel_loop without
2708         analyzed_reduction argument.
2709         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2710         canonicalize_loop_ivs with one less argument.
2711         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2712
2713 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2714
2715         * graphite-dependences.c (new_poly_dr_pair): New.
2716         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2717         (new_poly_dr_pair): New.
2718         (eq_poly_dr_pair_p): New.
2719         (hash_poly_dr_pair_p): New.
2720         * graphite-dependences.h (struct poly_dr_pair): New.
2721         (eq_poly_dr_pair_p): Declared.
2722         (hash_poly_dr_pair_p): Declared.
2723         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2724         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2725         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2726         * Makefile.in (graphite-poly.o): Add dependence on
2727         graphite-dependences.h.
2728
2729 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2732         polynomials of degree > 1 pass to Graphite.
2733         * tree-chrec.c (scev_is_linear_expression): Call
2734         evolution_function_is_affine_multivariate_p.
2735         * gfortran.dg/graphite/id-10.f90: New.
2736
2737 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2738
2739         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2740         Instantiate scevs varying in outer loops.
2741         * gfortran.dg/graphite/id-9.f: Correct testcase.
2742
2743 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2746         redundant constraint.
2747
2748 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * gcc.dg/graphite/graphite.exp: Fix comments.
2751         * gfortran.dg/graphite/graphite.exp: Trigger actions
2752         based on the file names as in the C testsuite.
2753         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2754         * gfortran.dg/graphite/block-2.f: Same.
2755         * gfortran.dg/graphite/block-3.f90: Same.
2756         * gfortran.dg/graphite/block-4.f90: Same.
2757         * gfortran.dg/graphite/id-1.f90: Same.
2758         * gfortran.dg/graphite/id-2.f90: Same.
2759         * gfortran.dg/graphite/id-3.f90: Same.
2760         * gfortran.dg/graphite/id-4.f90: Same.
2761         * gfortran.dg/graphite/id-6.f: Same.
2762         * gfortran.dg/graphite/id-9.f: Same.
2763         * gfortran.dg/graphite/interchange-1.f: Same.
2764         * gfortran.dg/graphite/interchange-2.f: Same.
2765         * gfortran.dg/graphite/scop-1.f: Same.
2766
2767 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         * sese.c (expand_scalar_variables_call): New.
2770         (expand_scalar_variables_ssa_name): Handle calls in expander.
2771
2772 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2775         Expect to see the pattern twice.
2776         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2777         * gcc.dg/graphite/interchange-5.c: Same.
2778         * gcc.dg/graphite/interchange-6.c: Same.
2779
2780 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2781
2782         * gcc.dg/graphite/id-10.c: New.
2783         * gcc.dg/graphite/id-12.c: New.
2784         * gfortran.dg/graphite/id-7.f: New.
2785         * gfortran.dg/graphite/id-8.f: New.
2786
2787 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2790         zero.
2791
2792 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2793
2794         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2795
2796 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2797
2798         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2799
2800 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2801
2802         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2803         building PDR subscripts.
2804
2805 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2808         computation of array sizes.
2809
2810 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2813
2814 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2815
2816         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2817         build_pairwise_constraint, dr_equality_constraints,
2818         build_pairwise_scheduling_equality,
2819         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2820         build_lexicographically_gt_constraint, dependence_polyhedron,
2821         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2822         Move from NNC_Polyhedron to C_Polyhedron.
2823         * graphite-interchange.c (compute_array_size_poly,
2824         gather_access_strides): Dito.
2825         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2826         free_scop, pbb_number_of_iterations): Dito.
2827         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2828         pbb_dim_iter_domain, struct scop): Dito.
2829         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2830         new_Cloog_Domain_from_ppl_Polyhedron,
2831         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2832         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2833         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2834         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2835         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2836         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2837         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2838         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2839         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2840         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2841         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2842         build_scop_iteration_domain, build_poly_dr): Dito
2843
2844 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2845
2846         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2847         run-id-*.c files.
2848         * gcc.dg/graphite/run-id-1.c: New.
2849
2850 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2851
2852         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2853         positivity constraint on the symbolic number of iterations.
2854
2855 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2858
2859 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2860             Tobias Grosser  <grosser@fim.uni-passau.de>
2861
2862         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2863         (build_cloog_prog): Directly use SCOP_CONTEXT.
2864         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2865         (free_scop): Free SCOP_CONTEXT.
2866         (print_scop_context): New.
2867         (print_scop): Call print_scop_context.
2868         (debug_scop_context): New.
2869         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2870         (struct scop): Added field context.
2871         (SCOP_CONTEXT): New.
2872         * graphite-sese-to-poly.c (add_param_constraints): New.
2873         (build_scop_context): New.
2874         (build_poly_scop): Call build_scop_context.
2875
2876 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2877
2878         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2879         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2880         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2881         * graphite-ppl.h: Include double-int.h and tree.h.
2882         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2883         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2884         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2885         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2886
2887 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2890         POINTER_PLUS_EXPR for pointer types.
2891         (clast_to_gcc_expression): Same.
2892
2893 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * graphite-poly.c (print_scattering_function): Early return when
2896         PBB_TRANSFORMED_SCATTERING is not initialized.
2897         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2898
2899 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2902         to fix bootstrap.
2903
2904 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2905
2906         * tree-parloops.c (analyze_reduction_list): Change return
2907         value to void.
2908         (try_create_reduction_list): Move the call to
2909         analyze_reduction_list to the beginining.
2910         Call reduction_phi with analyzed_reductions as argument
2911         instead of reduction_list.
2912
2913 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2914
2915         *  Merge from mainline (r148296:149346)
2916
2917 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * graphite-scop-detection.c (graphite_can_represent_init): New.
2920         (graphite_can_represent_scev): Call graphite_can_represent_init:
2921         check that the initial value does not contain multiplications of
2922         parameters.
2923         (stmt_has_simple_data_refs_p): New.
2924         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2925         (is_simple_operand): Fix formatting.
2926         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2927
2928 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * gcc.dg/graphite/id-13.c: New.
2931         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2932         analyze_scalar_evolution, use scalar_evolution_in_region.
2933         (scan_tree_for_params_right_scev): Add extra assert.
2934         (parameter_index_in_region_1): Split from parameter_index_in_region.
2935         (idx_record_params): Use scalar_evolution_in_region.
2936         (find_params_in_bb): Same.
2937         (find_scop_parameters): Same.
2938         (build_loop_iteration_domains): Same.
2939         (create_linear_expr_from_tree): Same.
2940         * sese.c (scalar_evolution_in_region): New.
2941         * sese.h (scalar_evolution_in_region): Declared.
2942         (defined_in_sese_p): New.
2943         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2944         static anymore.
2945         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2946         Declared.
2947
2948 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2949
2950         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2951         TREE_DATA_REF_H also implies SCEV_H.
2952
2953 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2954
2955         * graphite-poly.c (print_scop_params): New.
2956         (print_scop): Call print_scop_params.
2957         (debug_scop_params): New.
2958         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2959
2960 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2961
2962         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2963         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2964         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2965         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2966         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2967         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2968
2969 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2970
2971         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2972         for dependency checking part.
2973         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2974         tests for dependency checking.
2975         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2976         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2977         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2978         flag -fdump-tree-graphite-all for autopar testsuites.
2979
2980 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2983         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2984         canonicalize_loop_ivs): Moved...
2985         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2986
2987 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2988
2989         * tree-parloops.c (try_create_reduction_list): Pass an extra
2990         argument analyzed_reductions.  Call analyze_reduction_list.
2991         (gen_parallel_loop): Do not call analyze_reduction_list.
2992         (parallelize_loops): Init and finalize analyzed_reductions.
2993
2994 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2995
2996         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2997         Added flag -fno-loop-strip-mine for autopar testcase.
2998
2999 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3000
3001         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3002         transformed scattering dimension instead of unmatch orignal when
3003         calling dependence_polyhedron.
3004
3005 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3008
3009 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3010
3011         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3012         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3013
3014 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3017         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3018         * graphite-poly.c (pbb_number_of_iterations): New.
3019         * graphite-poly.h (pbb_number_of_iterations): Declared.
3020         (pbb_iterator_dim, pbb_parameter_dim): New.
3021
3022 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3023
3024         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3025         last commit on type of lower and upper bound of loops.
3026
3027 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3028
3029         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3030         graphite-dependences.h.
3031         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3032         (mark_bb_with_pbb): New.
3033         (get_stmtfor_depth): New.
3034         (find_pbb_via_hash): New.
3035         (dependency_in_loop_p): New.
3036         (mark_loops_parallel): New.
3037         (free_aux_in_new_loops): New.
3038         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3039         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3040         innermost loop parallel without checking.
3041         (gloog): Add parameter BB_PBB_MAPPING.
3042         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3043         (gloog): Change declaration.
3044         (mark_loop_parallel): Make extern.
3045         (free_aux_in_new_loops): Declare.
3046         (bb_pbb_map_hash): New.
3047         (eq_bb_pbb_map): New.
3048         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3049         auto parallelization when flag_graphite_force_parallel is set.
3050         (graphite_finalize): Added free_aux_in_new_loops.
3051         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3052         the innermost loop that marked parallel.  Use
3053         flag_graphite_force_parallel instead of loop->can_be_parallel.
3054         (loop_parallel_p): Move inner most checking out of function.
3055
3056 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3057
3058         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3059         type of lower and upper bound of loops signed long int.
3060
3061 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3062
3063         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3064         expression outside the loop.
3065
3066 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         * gcc.dg/graphite/interchange-8.c: New.
3069
3070 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * gcc.dg/graphite/interchange-0.c: XFailed.
3073         * gcc.dg/graphite/interchange-5.c: XFailed.
3074         * gcc.dg/graphite/interchange-6.c: XFailed.
3075
3076 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3077
3078         * graphite-interchange.c (compute_array_size_poly): The end of the
3079         recursion should return 1.
3080
3081 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         * graphite-interchange.c (compute_array_size_cstr): Allow the
3084         subscript multiplier to be -1.
3085         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3086         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3087         data_container.  Initializes PDR_DATA_CONTAINER.
3088         (print_pdr_access_layout): New.
3089         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3090         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3091         data_container.
3092         (PDR_DATA_CONTAINER): New.
3093         (new_poly_dr): Update declaration.
3094         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3095         (build_poly_dr): Call pdr_add_data_dimensions.
3096
3097 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * graphite-poly.h (struct poly_dr): Fix comment.
3100         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3101         (pdr_add_memory_accesses): New.
3102         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3103
3104 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3105
3106         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3107         (print_pbb): Add call to print_pdrs.
3108         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3109
3110 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3111             Li Feng <nemokingdom@gmail.com>
3112
3113         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3114         (dependency_between_pbbs_p): New.
3115         (lexicographically_gt_p): Assure !empty_p before polyhedron
3116         intersection assign.
3117         (build_lexicographically_gt_constraint): Correct lexicographically
3118         judging.
3119         * graphite-dependences.h: New.
3120         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3121
3122 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3125         (gloog): Print to dump_file the generated clast.
3126         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3127         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3128
3129 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3130
3131         * graphite-poly.c (extend_scattering): Increment
3132         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3133
3134 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3135
3136         * graphite-interchange.c (compute_array_size_poly): Added exit of
3137         recursion condition.  Continue iterating even after the first equality.
3138         (compute_array_size): Same.
3139
3140 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3141
3142         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3143         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3144         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3145         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3146         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3147
3148 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3151         only when the use verifies is_gimple_reg.
3152
3153 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3154
3155         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3156         Allocate scaldims after call to unify_scattering_dimensions.
3157
3158 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3159
3160         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3161
3162 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3163             Albert Cohen  <albert.cohen@inria.fr>
3164
3165         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3166         variables for the strip mining.
3167
3168 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3169             Pranav Garg  <pranav.garg2107@gmail.com>
3170
3171         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3172         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3173         (graphite-blocking.o): New rule.
3174         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3175         * graphite-blocking.c: New.
3176         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3177         flag_loop_strip_mine.
3178         (psct_scattering_dim_for_loop_depth): New.
3179         * graphite-poly.h (scop_do_strip_mine): Declared.
3180         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3181         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3182         flag_loop_strip_mine.
3183
3184 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3185
3186         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3187         a GMP value and a PPL coefficient at each iteration of a loop.
3188
3189 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3190
3191         * graphite-dependences.c (dependence_polyhedron): Do not use
3192         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3193         pbb_nb_scattering_transform.
3194         (graphite_legal_transform_dr): Same.
3195         * graphite-poly.c (extend_scattering): Same.
3196         (unify_scattering_dimensions): Same.
3197         (print_scattering_function): Same.
3198         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3199         PBB_NB_LOCAL_VARIABLES.
3200         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3201         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3202         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3203         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3204         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3205         (pbb_nb_scattering_transform): New.
3206         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3207         (psco_scattering_dim): Add assert on parameters.
3208         (psct_scattering_dim): Same.
3209         (psct_scattering_dim_for_loop_depth): Declared.
3210         (psct_local_var_dim): New.
3211         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3212         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3213         correct layout, call pbb_nb_local_vars.
3214         (psct_add_local_variable, psct_add_scattering_dimension): New.
3215         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3216         Initialize PBB_NB_SCATTERING_TRANSFORM.
3217
3218 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3221         (set_coef): Renamed ppl_set_coef.
3222         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3223
3224 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3225
3226         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3227         test a boolean against 1.
3228         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3229         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3230         (pbb_do_interchange): Returns true when a transform has been performed.
3231         (scop_do_interchange): Same.
3232         * graphite-poly.c (apply_poly_transforms): Use the return value of
3233         scop_do_interchange.
3234         * graphite-poly.h (scop_do_interchange): Update declaration.
3235
3236 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3237
3238         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3239         after last use.
3240         * sese.c (sese_reset_aux_in_loops): New.
3241         * sese.h (sese_reset_aux_in_loops): New.
3242
3243 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3244
3245         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3246         multiplier and multiply the constant by the multiplier.
3247         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3248         (build_poly_dr): Do not use the multiplier to define the subscript.
3249
3250 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3253         compiler's data reference.  Initialize PDR_CDR.
3254         (print_pdr): Call dump_data_reference.
3255         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3256         Add compiler_dr field.
3257         (PDR_BB): Renamed PDR_PBB.
3258         (PDR_CDR): New.
3259         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3260         GCC's data reference representation.
3261         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3262         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3263
3264 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3265
3266         * graphite-poly.c (print_scattering_function): Also print the layout.
3267         * graphite-poly.h (pbb_nb_local_vars): New.
3268
3269 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3270
3271         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3272
3273 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3274
3275         * graphite-poly.c (print_pdr, debug_pdr): New.
3276         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3277         (PDR_BASE): Removed.
3278
3279 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3280
3281         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3282         ltrans-{1..6,8}.c.
3283
3284 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3285
3286         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3287         subscript identification column.
3288         (pbb_do_interchange): Print to dump_file that some loops "will be
3289         interchanged".  Rely on that chain of characters in the testcases.
3290         * gcc.dg/graphite/interchange-0.c: New.
3291         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3292         interchange-*.c files and compile them with -floop-interchange.
3293
3294 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3295
3296         * graphite-interchange.c (interchange_profitable_p): Renamed
3297         pbb_interchange_profitable_p.
3298
3299 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3300             Harsha Jagasia  <harsha.jagasia@amd.com>
3301             Pranav Garg  <pranav.garg2107@gmail.com>
3302
3303         * graphite-interchange.c (interchange_profitable_p): Make static.
3304         (pbb_interchange_loop_depths, pbb_do_interchange,
3305         scop_do_interchange): New.
3306         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3307         for flag_loop_interchange.
3308         * graphite-poly.h (scop_do_interchange): Declared.
3309         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3310         flag_loop_interchange is used.
3311
3312 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3313
3314         * graphite-dependences.c (dependence_polyhedron): Update use of
3315         pbb_nb_scattering_dims.
3316         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3317         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3318         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3319         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3320
3321 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3322
3323         * graphite.c: Cleanup foo.
3324
3325 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * Merge from mainline (r143684:148293).
3328         * Disabled libpcp until it gets fixed.
3329
3330 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3331             Harsha Jagasia  <harsha.jagasia@amd.com>
3332
3333         * graphite-interchange.c: New.
3334         * Makefile.in (graphite-interchange.o): New.
3335         * graphite-poly.h (interchange_profitable_p): Declared.
3336         * graphite-ppl.h (value_max): New.
3337
3338 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3341         * graphite-poly.h: Fix some comments.
3342         (pdr_dim): New.
3343         (pdr_scop): New.
3344
3345 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         * graphite-poly.h
3348         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3349         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3350         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3351         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3352         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3353         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3354         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3355         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3356         * graphite-clast-to-gimple.c: Same.
3357         * graphite-dependences.c: Same.
3358         * graphite-poly.c: Same.
3359         * graphite-sese-to-poly.c: Same.
3360
3361 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3362
3363         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3364         expressions for an IV rename, as returned by clast_to_gcc_expression.
3365         (copy_renames): Rename new_name to expr.
3366         * sese.c (debug_rename_elt): Same.
3367         (get_rename): Same.
3368         (set_rename): Same.
3369         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3370         the information from the rename map.
3371         (rename_variables_in_stmt): Same.
3372         (add_loop_exit_phis): Rename new_name to expr.
3373         (insert_loop_close_phis): Same.
3374         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3375         * sese.h (struct rename_map_elt): Rename new_name to expr.
3376         (new_rename_map_elt): Same.
3377
3378 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3379
3380         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3381         * sese.c (set_rename): Make it extern.
3382         * sese.h (set_rename): Declared.
3383
3384 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         * graphite-poly.c (extend_scattering): Free values.
3387         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3388         Free iterators.
3389         (ppl_print_powerset_matrix): Same.
3390         * graphite-scop-detection.c (free_scops_1): New.
3391         (limit_scops): Call free_scops_1.
3392         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3393         (build_poly_dr): Free PPL coefficients.
3394         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3395
3396 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * graphite-dependences.c: New.
3399         * graphite-data-ref.c: Removed.
3400         * graphite-data-ref.h: Removed.
3401         * Makefile.in (graphite-data-ref.o): Removed.
3402         (graphite-dependences.o): Added.
3403         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3404         * graphite-poly.c: Same.
3405         Move the data dependence testing to graphite-dependences.c.
3406
3407 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3408
3409         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3410         from graphite_cannot_represent_loop. Code refactored.
3411         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3412
3413 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3414
3415         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3416         Cover all the testcases (not only the filtered ones).
3417
3418 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3419
3420         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3421         unnecessary check. Update comments. Move check for REAL_TYPE here.
3422         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3423         done in (stmt_simple_for_scop_p).
3424
3425 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3426
3427         * graphite.c (print_global_statistics): New.
3428         (print_graphite_scop_statistic): New.
3429         (print_graphite_statistics): New.
3430         (graphite_initialize, graphite_transform_loops): Print statistics.
3431         * graphite-scop-detection (build_scops): Print statistics.
3432         (print_graphite_scop_statistics): New.
3433         (print_graphite_statistics): New.
3434
3435 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3436
3437         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3438         (debug_clast_name_index): Removed.
3439         (debug_clast_name_indexes_1): Removed.
3440         (debug_clast_name_indexes): Removed.
3441         (clast_name_index_elt_info): Removed.
3442         (eq_clast_name_indexes): Removed.
3443         (clast_name_to_index): Removed.
3444         (new_clast_name_index): Removed.
3445         (save_clast_name_index): Removed.
3446         (save_var_name): Moved...
3447         (init_sese_params_index): Removed.
3448         (clast_name_to_gcc): Remove use of name_tree.
3449         (initialize_cloog_names): Same.
3450         (gloog): Do not call init_sese_params_index.
3451         * graphite-sese-to-poly.c (save_var_name): ...here.
3452         (parameter_index_in_region): New.
3453         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3454         (parameter_index_in_region): Removed.
3455         (is_parameter): Remove use of name_tree.
3456         * sese.h (struct name_tree): Removed.
3457         (struct sese): Remove use of name_tree.  New field params_names.
3458         (SESE_PARAMS_NAMES): New.
3459         (SESE_PARAMS): Remove duplicate.
3460         (parameter_index_in_region): Removed.
3461         (sese_nb_params): Remove use of name_tree.
3462         (struct clast_name_index): New.
3463         (new_clast_name_index): New.
3464         (clast_name_to_index): New.
3465         (save_clast_name_index): New.
3466         (debug_clast_name_index): New.
3467         (debug_clast_name_indexes_1): New.
3468         (debug_clast_name_indexes): New.
3469         (clast_name_index_elt_info): New.
3470         (eq_clast_name_indexes): New.
3471
3472 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3473
3474         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3475         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3476         (graphite_loop_normal_form): Do not pass region.  Do not
3477         initialize SESE_OLDIVS.
3478         (build_graphite_loop_normal_form): Update call to
3479         graphite_loop_normal_form.
3480         * sese.c (debug_oldivs): Removed.
3481         (new_sese): Do not initialize SESE_OLDIVS.
3482         (free_sese): Do not free SESE_OLDIVS.
3483         (oldiv_for_loop): Removed.
3484         * sese.h (struct sese): Remove old_ivs.
3485         (SESE_OLDIVS): Removed.
3486         (oldiv_for_loop): Removed.
3487
3488 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3489
3490         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3491         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3492         replaced by a call to newivs_to_depth_to_newiv.
3493         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3494         (clast_to_gcc_expression_red): Same.
3495         (gcc_type_for_clast_expr): Same.
3496         (gcc_type_for_clast_eq): Same.
3497         (graphite_translate_clast_equation): Same.
3498         (graphite_create_guard_cond_expr): Same.
3499         (graphite_create_new_guard): Same.
3500         (graphite_create_new_loop): Same.
3501         (build_iv_mapping): Same.
3502         (translate_clast): Same.
3503         (gloog): Same.
3504         (loop_iv_stack_patch_for_consts): Removed.  *
3505         sese.c (iv_stack_entry_is_constant): Removed.
3506         (iv_stack_entry_is_iv): Removed.
3507         (loop_iv_stack_push_iv): Removed.
3508         (loop_iv_stack_insert_constant): Removed.
3509         (loop_iv_stack_pop): Removed.
3510         (loop_iv_stack_get_iv): Removed.
3511         (loop_iv_stack_get_iv_from_name): Removed.
3512         (debug_loop_iv_stack): Removed.
3513         (free_loop_iv_stack): Removed.
3514         (loop_iv_stack_remove_constants): Removed.  *
3515         sese.h (iv_stack_entry_kind): Removed.
3516         (iv_stack_entry_data_union): Removed.
3517         (iv_stack_entry_struct): Removed.
3518         (iv_stack_entry_p): Removed.
3519         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3520         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3521         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3522         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3523         (gbb_loop_at_index): Fix indenting.
3524         (gbb_loop_index): Removed.
3525
3526 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3527
3528         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3529         Call clast_name_to_index.
3530
3531 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3532
3533         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3534         do not pass params.  Get params from SESE_PARAMS.
3535         (clast_to_gcc_expression): Same.
3536         (clast_to_gcc_expression_red): Same.
3537         (gcc_type_for_clast_eq): Same.
3538         (graphite_translate_clast_equation): Same.
3539         (graphite_create_new_loop): Same.
3540         * sese.c (rename_variables_in_stmt): Fix comment.
3541
3542 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3545         newivs_index.
3546         Call save_clast_name_index.
3547         (translate_clast): Pass newivs_index.
3548         (gloog): Create and free newivs_index.
3549
3550 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3551
3552         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3553         (clast_name_index_p): New type.
3554         (debug_clast_name_index): New.
3555         (debug_clast_name_indexes_1): New.
3556         (debug_clast_name_indexes): New.
3557         (clast_name_index_elt_info): New.
3558         (eq_clast_name_indexes): New.
3559         (clast_name_to_index): New.
3560         (new_clast_name_index): New.
3561         (save_clast_name_index): New.
3562         (init_sese_params_index): New.
3563         (gloog): Call init_sese_params_index.
3564         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3565         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3566         (free_sese): Free SESE_PARAMS_INDEX.
3567         * sese.h (struct sese): Add params_index.
3568         (SESE_PARAMS_INDEX): New.
3569
3570 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3571
3572         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3573         (graphite_create_new_loop): Pass the newivs vector.  Push the
3574         newly created IV to newivs.
3575         (translate_clast): Pass the newivs vector.
3576         (gloog): Create and destroy the newivs vector.
3577
3578 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3579
3580         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3581         (graphite_loop_normal_form): Initialize loop->aux with the unique
3582         IV that has been created.
3583
3584 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3585
3586         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3587         scev with parameters in the base part. They where forbidden
3588         exidently.
3589
3590 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3591
3592         * gcc.dg/graphite/graphite.exp: Set different default
3593         compile options by file names.
3594         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3595         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3596         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3597         * gcc.dg/graphite/scop-matmult.c: Ditto.
3598
3599 2009-05-08  Li Feng <nemokingdom@gmail.com>
3600
3601         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3602         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3603         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3604         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3605
3606 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3607
3608         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3609         by final cleanup.
3610
3611 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3612
3613         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3614         allow integer constant strides.
3615         (graphite_can_represent_expr): Depend on outermost_loop.
3616         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3617         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3618         build_scops_1): Same.
3619         (scopdet_basic_block_info): Same and insert layered SCoP
3620         detection.
3621         (try_generate_gimple_bb): Cleanup.
3622         (build_scops): Enable data references.
3623
3624         * gcc.dg/graphite/id-5.c: New.
3625         * gcc.dg/graphite/id-9.c: New.
3626         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3627         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3628
3629 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3630
3631         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3632         that we have not yet built for this SCoP.
3633
3634 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3635
3636         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3637         for complex numbers.
3638
3639 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3640
3641         * graphite-ppl.c: Fix build if cloog is not available.
3642
3643 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3644
3645         * tree-parloops.c (loop_parallel_p): Remove construction of
3646         NITER and REDUCTION_LIST.
3647         (try_get_loop_niter): New.
3648         (try_create_reduction_list): New.
3649         (parallelize_loops): Bypass the failed checkings in autopar
3650         when can_be_parallel in loop structure is set to true.
3651
3652 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3653
3654         * gcc.dg/graphite/id-6.c: Update testcase.
3655         * gcc.dg/graphite/scop-3.c: Dito.
3656
3657 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3658
3659         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3660         Enable EQ_EXPR and NE_EXPR again.
3661
3662 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3663
3664         * graphite-scop-detection.c (graphite_can_represent_scev):
3665         Add check if scev is affine multivariate.
3666         (harmful_stmt_in_bb): Check if we can represent the conditions.
3667         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3668         harmful_stmt_in_bb.
3669         * gcc.dg/graphite/id-7.c: New.
3670
3671 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3672
3673         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3674         Check all bbs in region, not only the bbs that are represented in
3675         GRAPHITE.
3676         (build_poly_scop): Add newline.
3677         * gcc.dg/graphite/id-8.c: New.
3678
3679 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3680
3681         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3682         when loop initialize.
3683         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3684         * common.opt: Declare flag_graphite_force_parallel.
3685         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3686         loop parallel.
3687         * graphite-poly.c (apply_poly_transforms): Introduce
3688         flag_graphite_force_parallel.
3689         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3690         * toplev.c (process_options): ditto and replace a not correctly
3691         encoded space.
3692
3693 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3694
3695         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3696         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3697         to the redefinition.
3698         (compute_cloog_iv_types_1): ditto.
3699         (build_iv_mapping): ditto.
3700         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3701         initialization.
3702         (free_gimple_bb): Removed GBB_LOOPS related free part.
3703         (build_bb_loops): Removed.
3704         * sese.h (struct gimple_bb): Removed loops.
3705         (GBB_LOOPS): Removed.
3706         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3707         (gbb_loop_index): ditto.
3708
3709 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3710
3711         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3712         allow non constant strides.
3713         * gcc.dg/graphite/scop-20.c: New.
3714
3715 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3716
3717         * graphite-scop-detection.c (dot_all_scops): Fix system call
3718         return value warning.
3719         (dot_scop): Same.
3720
3721 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3722
3723         * gcc.dg/graphite/id-6.c: Fix pattern.
3724         * gcc.dg/graphite/scop-3.c: Same.
3725
3726 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3729         build_pairwise_constraint, dr_equality_constraints,
3730         build_pairwise_scheduling_equality,
3731         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3732         build_lexicographically_gt_constraint, dependence_polyhedron,
3733         graphite_legal_transform_dr, graphite_legal_transform_bb,
3734         graphite_legal_transform): New.
3735         * graphite-poly.h (graphite_legal_transform): Declared.
3736         * graphite-sese-to-poly.c (build_poly_scop): Call to
3737         graphite_legal_transform is disabled for the moment.
3738
3739 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3740
3741         * graphite-poly.h (pbb_nb_scattering_dims): New.
3742         (pbb_nb_scattering): Use it.
3743
3744 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3745
3746         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3747         Pointset_Powerset version of ppl_insert_dimensions.
3748         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3749
3750 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3753
3754 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3755
3756         * graphite-poly.h: Fix comment.
3757
3758 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3759
3760         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3761
3762 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3763
3764         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3765         statements.
3766
3767 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3768
3769         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3770         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3771         conditions.
3772
3773 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3774
3775         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3776         handle EQ_EXPR and NE_EXPR.
3777
3778 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3779
3780         * graphite-poly.h (poly_dr): Fix comment.
3781
3782 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3783             Tobias Grosser  <grosser@fim.uni-passau.de>
3784
3785         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3786         with a zero dimension polyhedron.
3787         (find_scop_parameters): Move the call to scop_set_nb_params here.
3788         (build_loop_iteration_domains): Store in loop->aux the iteration
3789         domain polyhedron.
3790         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3791         by any loop in scop.
3792         (build_poly_scop): Do not call scop_set_nb_params.
3793
3794 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3795             Tobias Grosser  <grosser@fim.uni-passau.de>
3796
3797         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3798         add_condition_to_domain not GT_EXPR.
3799
3800 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3801
3802         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3803         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3804         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3805         upper_bound_assign to calculate unions.
3806         * gcc.dg/graphite/id-6.c: New.
3807
3808 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3809
3810         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3811         handle abnormal edges.
3812
3813 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3814
3815         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3816         (free_poly_bb): Also free poly_drs.
3817         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3818         (poly_dr): Polyhedron to Pointset_Powerset.
3819         (pdr_accessp_nb_subscripts): Same.
3820         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3821         poly_drs.
3822
3823 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3826         names into more meaningful names.
3827
3828 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830         * gfortran.dg/graphite/interchange-1.c: New.
3831         * gfortran.dg/graphite/interchange-2.c: New.
3832
3833 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3836         the reduction_list.
3837         * tree-parloops.c (rewrite_phi_with_iv): New.
3838         (rewrite_all_phi_nodes_with_iv): New.
3839         (canonicalize_loop_ivs): Call them.
3840
3841 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3842
3843         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3844         graphite_find_data_references_in_stmt.
3845         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3846         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3847
3848 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3851
3852 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3853
3854         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3855         instead of bb_in_region.
3856         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3857         (build_sese_conditions): Use flag_bb_in_sese.
3858         * sese.c (register_bb_in_sese): Removed.
3859         (new_sese): Remove initialization of SESE_REGION_BBS.
3860         (free_sese): Do not free SESE_REGION_BBS.
3861         * sese.h (struct sese): Remove field region_basic_blocks.
3862         (SESE_REGION_BBS): Removed.
3863         (bb_in_sese_p): Implement in function of bb_in_region.
3864
3865 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3868         loops.
3869
3870 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3871
3872         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3873         and EQ_EXPR.
3874         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3875         (add_condition_to_domain): New.
3876         (add_condition_to_pbb): New.
3877         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3878         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3879
3880 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3881
3882         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3883         ppl_Pointset_Powerset.
3884         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3885         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3886         (pbb_nb_loops): Same.
3887         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3888         add_conditions_to_domain): Same.
3889         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3890         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3891         ppl_const_Polyhedron_t.
3892         (ppl_print_powerset_matrix): New.
3893         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3894         ppl_print_powerset_matrix): New.
3895         (ppl_print_polyhedron_matrix): Updated.
3896
3897 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3898
3899         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3900
3901 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3902
3903         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3904         (print_iteration_domains, debug_iteration_domain,
3905         debug_iteration_domains): New.
3906         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3907         debug_iteration_domains): Declared.
3908         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3909         indenting.
3910
3911 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3912             Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         * graphite-poly.h (print_iteration_domain): New.
3915         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3916         (build_sese_conditions_1, build_sese_conditions_after,
3917         build_sese_conditions_before): New.
3918         (build_sese_conditions): Rewritten.
3919
3920 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3921             Tobias Grosser  <grosser@fim.uni-passau.de>
3922
3923         Cleanup of code generation liveouts.
3924         * graphite-clast-to-gimple.c (translate_clast): Use a single
3925         rename_map instead of one per translated statement.
3926         Do not use SESE_LIVEOUT_RENAMES.
3927         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3928         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3929         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3930         phi node of a reduction: when a loop contains a reduction used outside
3931         the loop, there should be a scalar close phi node on the exit block.
3932         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3933         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3934         (free_sese): Do not free them.
3935         (sese_build_liveouts_use): Do not use them.
3936         (sese_build_liveouts_bb): Same.
3937         (sese_build_liveouts): Same.
3938         (sese_insert_phis_for_liveouts): Same.
3939         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3940         (defined_in_loop_p): New.
3941         (alive_after_loop): New.
3942         (close_phi_not_yet_inserted_p): New.
3943         (struct alep, alep_p): New.
3944         (add_loop_exit_phis): Remove from the rename_map all the names defined
3945         in the code generated loop.
3946         (insert_loop_close_phis): Traverse the rename_map passed to it.
3947         Don't use SESE_LIVEOUT_RENAMES.
3948         (default_liveout_before_guard): Renamed default_before_guard.
3949         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3950         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3951         (register_sese_liveout_renames): Removed.
3952         (copy_bb_and_scalar_dependences): Do not call it.
3953         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3954         reduction_list.
3955         (SESE_LIVEOUT): Removed.
3956         (SESE_LIVEOUT_RENAMES): Removed.
3957         (SESE_REDUCTION_LIST): Removed.
3958         (sese_build_liveouts): Removed.
3959         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3960         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3961         (insert_guard_phis): Same.
3962         (rename_map_elt): Declare a VEC of them.
3963         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3964         trees not pointers to trees.
3965
3966         Rewrite in canonical close SSA form:
3967         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3968         (limit_scops): Close the scop after the block containing the close phi
3969         nodes.
3970         (canonicalize_loop_closed_ssa): New.
3971         (canonicalize_loop_closed_ssa_form): New.
3972         (build_scops): Call canonicalize_loop_closed_ssa_form.
3973
3974         * graphite-sese-to-poly.c: Fix typos.
3975
3976 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3979         Extended.
3980         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3981         (print_pbb): Add conditions.
3982
3983 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3984             Sebastian Pop  <sebastian.pop@amd.com>
3985
3986         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3987         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3988         (build_scop_bbs_1): New.
3989         (build_scop_bbs): Rewrite.
3990         * sese.h (bb_in_region): New.
3991
3992 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3993
3994         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3995         poly_drs vector.
3996         (print_scop): Style.
3997         * graphite-poly.h (poly_bb): Add drs vector.
3998         (PBB_DRS): Add accessor.
3999         * graphite-sese-to-poly.c (build_poly_dr): New.
4000         (build_pbb_drs, build_scop_drs): New.
4001         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4002
4003 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4004
4005         * tree-ssa-loop.c: Include forgotten toplev.h
4006
4007 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4008
4009         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4010         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4011         * gcc.dg/graphite/pr37928.c: Same
4012         * gcc.dg/graphite/pr38409.c: Same
4013         * gcc.dg/graphite/pr38498.c: Same
4014         * gcc.dg/graphite/pr38559.c: Same
4015         * gcc.dg/graphite/pr39335.c: Same
4016         * gcc.dg/graphite/pr39335_1.c: Same
4017         * gfortran.dg/graphite/block-2.f: Same
4018         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4019         with -floop-*.
4020
4021 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4022
4023         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4024         build_access_matrix, build_scop_data_accesses): Remove access function
4025         building. (We get a new version soon).
4026         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4027         * sese.h (nb_loops_around_loop_in_sese): Remove.
4028         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4029
4030 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4031             Sebastian Pop  <sebastian.pop@amd.com>
4032
4033         * graphite-scop-detection.c (struct scopdet_info): Rename last
4034         field to exit.
4035         (scopdet_basic_block_info, build_scops_1): Don't use
4036         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4037
4038 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4039             Sebastian Pop  <sebastian.pop@amd.com>
4040
4041         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4042         * sese.c (sese_build_liveouts_use): Renamed from
4043         sese_build_livein_liveouts_use. Remove liveins.
4044         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4045         Call sese_build_liveouts_use.
4046         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4047         Call sese_build_liveouts_bb.
4048         (new_sese, free_sese): Remove liveins.
4049         (sese_add_exit_phis_var): Deleted.
4050         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4051         directly.
4052         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4053
4054         * sese.h (sese): Remove num_ver and livein.
4055         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4056
4057 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4058
4059         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4060
4061 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4062
4063         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4064         (build_scop_scattering): Do not use compare_prefix_loops any more.
4065         (nb_common_loops): New.
4066
4067 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4068
4069         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4070         (register_old_and_new_names): Renamed set_rename.
4071
4072 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4073
4074         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4075         of the decl from the previous commit.
4076
4077 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4078
4079         * graphite-scop-detection.c (dot_scop): New.
4080         * graphite-scop-detection.h (dot_scop): Declared.
4081
4082 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4083
4084         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4085
4086 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4087
4088         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4089         condition at the end of the loop.
4090         * graphite.c (graphite_initialize, graphite_finalize): Print to
4091         dump_file the compiled function.
4092         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4093         of create_empty_loop_on_edge.
4094         (translate_clast): Update the code generation of loops for the new
4095         shape of loops.
4096         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4097
4098 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4099
4100         Reverted the patch from 2009-03-19.
4101
4102 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4103
4104         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4105         poly_drs vector.
4106         (print_scop): Style.
4107         * graphite-poly.h (poly_bb): Add drs vector.
4108         (PBB_DRS): Add accessor.
4109         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4110         (build_access_matrix_with_af, build_access_matrix,
4111         build_scop_data_accesses): Delete.
4112         (build_poly_dr): New.
4113         (build_pbb_drs, build_scop_drs): New.
4114         (build_poly_scop): call build_scop_drs.
4115
4116 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4117
4118         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4119         once per basic block.
4120
4121 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4122
4123         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4124         (graphite_can_represent_expr): Renamed from loop_affine_expr
4125         and enhanced.
4126         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4127         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4128         (scopdet_basic_block_info): Actually define entry_block.
4129         (stmt_simple_memref_p): Moved here from ...
4130
4131         * tree-data-ref.c (stmt_simple_memref_p): here.
4132         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4133
4134 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4135
4136         * gcc.dg/graphite/id-4.c: New.
4137
4138 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4139
4140         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4141         (register_old_and_new_names): Update the content of the map.
4142         When there was already a rename_map_elt in the map at that
4143         location, free it.
4144         (copy_bb_and_scalar_dependences): Do rename_variables after
4145         expand_scalar_variables.
4146         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4147         of the map.  When there was already a rename_map_elt in the
4148         map at that location, free it.
4149         (translate_clast): Pass the rename_map.  Do not initialize and free
4150         a rename_map per stmt_user.
4151         (gloog): Initialize and free one rename_map and pass it to
4152         translate_clast.
4153
4154 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4155
4156         * sese.c (expand_scalar_variables_stmt,
4157         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4158         parameter.
4159         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4160         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4161         the gimple_stmt_iterator of the statement to be expanded.
4162         * graphite-scop-detection.c (is_simple_operand): Do handle
4163         REALPART_EXPR.
4164
4165 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4166
4167         * graphite-scop-detection.c (is_simple_operand): Do not handle
4168         REALPART_EXPR.
4169         * gcc.dg/graphite/id-2.c: New.
4170
4171         * graphite-sese-to-poly.c (build_bb_loops,
4172         add_value_to_dim, scan_tree_for_params_right_scev,
4173         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4174         find_params_in_bb, build_loop_iteration_domains,
4175         add_conditions_to_domain): Remove subtract.
4176
4177 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4178
4179         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4180         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4181         pbb_loop_at_index -> gbb_loop_at_index.
4182         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4183         (debug_loop_vec): Delete.
4184         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4185         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4186         (PBB_LOOPS): Removed.
4187         (PBB_BLACK_BOX): Insert cast.
4188         (pbb_set_black_box): New setter.
4189         (pbb_loop_at_index, pbb_loop_index): Removed.
4190         (scop_set_region, scop_set_nb_params): New.
4191         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4192         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4193         (build_poly_scop): Use scop_set_nb_params.
4194         * sese.h (gimple_bb): Add LOOPS.
4195         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4196
4197 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4198
4199         Revert previous commit.
4200
4201 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4202
4203         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4204         (register_old_and_new_names): Update the content of the map.
4205         When there was already a rename_map_elt in the map at that
4206         location, free it.
4207         (copy_bb_and_scalar_dependences): Do rename_variables after
4208         expand_scalar_variables.
4209         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4210         of the map.  When there was already a rename_map_elt in the
4211         map at that location, free it.
4212         (translate_clast): Pass the rename_map.  Do not initialize and free
4213         a rename_map per stmt_user.
4214         (gloog): Initialize and free one rename_map and pass it to
4215         translate_clast.
4216
4217 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4218
4219         Remove forgotten line in revert.
4220
4221 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4222
4223         Revert previous commit.
4224
4225 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4226
4227         * sese.c (register_old_and_new_names): Update the content
4228         of the map.  When there was already a rename_map_elt in the
4229         map at that location, free it.
4230         (copy_bb_and_scalar_dependences): Do rename_variables after
4231         expand_scalar_variables.
4232         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4233         of the map.  When there was already a rename_map_elt in the
4234         map at that location, free it.
4235         (translate_clast): Pass the rename_map.  Do not initialize and free
4236         a rename_map per stmt_user.
4237         (gloog): Initialize and free one rename_map and pass it to
4238         translate_clast.
4239
4240 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4241
4242         * graphite-clast-to-gimple.c (translate_clast): context_loop
4243         is never NULL.
4244
4245 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4246             Sebastian Pop  <sebastian.pop@amd.com>
4247
4248         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4249         of the use of ppl_Polyhedron_map_space_dimensions.
4250
4251 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4252             Sebastian Pop  <sebastian.pop@amd.com>
4253
4254         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4255         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4256         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4257         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4258         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4259         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4260         pbb_nb_params): New.
4261         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4262         nb_loops_around_pbb): Adapt return types.
4263
4264 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4265
4266         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4267         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4268         graphite-scop-detection.o, graphite-poly.o): Add
4269         more headers.
4270
4271 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4272
4273         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4274         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4275         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4276
4277 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4278
4279         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4280         * gcc.dg/graphite/pr37828.c: Same.
4281         * gcc.dg/graphite/pr37684.c: Same.
4282         * gcc.dg/graphite/block-0.c: Same.
4283         * gcc.dg/graphite/block-1.c: Same.
4284         * gcc.dg/graphite/block-2.c: Same.
4285         * gcc.dg/graphite/block-3.c: Same.
4286         * gcc.dg/graphite/block-4.c: Same.
4287         * gcc.dg/graphite/block-5.c: Same.
4288         * gcc.dg/graphite/block-6.c: Same.
4289         * gfortran.dg/graphite/pr38083.f90: Same.
4290         * gfortran.dg/graphite/block-1.f90: Same.
4291         * gfortran.dg/graphite/block-3.f90: Same.
4292         * gfortran.dg/graphite/pr37852.f90: Same.
4293         * gfortran.dg/graphite/block-4.f90: Same.
4294         * gfortran.dg/graphite/pr37980.f90: Same.
4295         * gfortran.dg/graphite/pr38953.f90: Same.
4296         * gfortran.dg/graphite/pr37857.f90: Same.
4297         * opts.c: Remove -floop-block from -O2.
4298         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4299         -floop-strip-mine are used.
4300
4301 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4302             Sebastian Pop  <sebastian.pop@amd.com>
4303
4304         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4305         dimensions.
4306         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4307         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4308         strip_mine_profitable_p, is_interchange_valid,
4309         graphite_trans_bb_block, graphite_trans_loop_block,
4310         graphite_trans_scop_block): Temporary removed.
4311         (extend_scattering, unify_scattering_dimensions): New.
4312         (print_scattering_function, graphite_read_transforms):
4313         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4314         (graphite_generate_scattering_fns): Removed.
4315         (apply_poly_transforms): Cleanup.
4316         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4317         (schedule_to_scattering): Moved.
4318         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4319         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4320         (pbb_nb_scattering): New.
4321         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4322         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4323         Removed.
4324         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4325         shift_poly.
4326         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4327         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4328         -> PBB_TRANSFORMED_SCATTERING.
4329         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4330         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4331         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4332         (check_poly_representation): Do not return bool.
4333         (graphite_transform_loops): Reformat.
4334         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4335
4336 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4337
4338         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4339         debug_pbb_domain, debug_pbb, debug_scop): New.
4340         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4341         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4342
4343 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4344
4345         PR middle-end/39335
4346         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4347         when the type precision of the induction variable should be
4348         larger than the type precision of nit.
4349         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4350         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4351         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4352
4353         * gcc.dg/graphite/pr39335_1.c: New.
4354         * gcc.dg/graphite/pr39335.c: New.
4355
4356 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4357
4358         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4359         SSA_NAMES not struct reduction_info.
4360
4361 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4362
4363         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4364
4365 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4366             Tobias Grosser  <grosser@fim.uni-passau.de>
4367
4368         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4369         (free_sese): Free SESE_REDUCTION_LIST.
4370         * sese.h (struct sese): Add field reduction_list.
4371         (SESE_REDUCTION_LIST): New.
4372         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4373         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4374
4375 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4376             Tobias Grosser  <grosser@fim.uni-passau.de>
4377
4378         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4379         of loop_p.
4380
4381 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4382             Tobias Grosser  <grosser@fim.uni-passau.de>
4383
4384         * tree-parloops.c (struct brli, build_reduction_list_info,
4385         analyze_reduction_list, gather_scalar_reductions): New.
4386         (loop_parallel_p): Build a reduction list containing only
4387         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4388         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4389         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4390         * tree-flow.h (gather_scalar_reductions): Declared.
4391
4392 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4393
4394         PR middle-end/39308
4395         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4396         number_of_iterations_exit from a gcc_assert.
4397
4398 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4399             Jan Sjodin  <jan.sjodin@amd.com>
4400
4401         * output.h (graphite_out_file, graphite_in_file): Declared.
4402         * toplev.c (graphite_out_file, graphite_in_file): New.
4403         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4404         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4405         Don't call schedule_to_scattering.
4406         * common.opt (fgraphite-write, fgraphite-read): New.
4407         * graphite-poly.c: Include output.h.
4408         (print_scattering_function, print_scattering_functions,
4409         debug_scattering_function, debug_scattering_functions,
4410         graphite_write_transforms, graphite_read_transforms,
4411         graphite_generate_scattering_fns): New.
4412         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4413         Call graphite_generate_scattering_fns, graphite_write_transforms,
4414         graphite_read_transforms.
4415         (new_poly_bb): Initialize PBB_SCATTERING.
4416         (free_poly_bb): Free PBB_SCATTERING.
4417         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4418         * graphite-poly.h (struct poly_bb): Add field scattering.
4419         (PBB_SCATTERING): New.
4420         (print_scattering_function, print_scattering_functions,
4421         debug_scattering_function, debug_scattering_functions): Declared.
4422         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4423         GMP values, not integers!
4424         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4425         ppl_read_polyhedron_matrix): New.
4426         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4427         debug_ppl_polyhedron_matrix,
4428         ppl_read_polyhedron_matrix): Declared.
4429         * Makefile.in (graphite-poly.o): Depends on output.h.
4430
4431 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4432             Tobias Grosser  <grosser@fim.uni-passau.de>
4433
4434         Revert this change:
4435         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4436         scalar evolutions in the scop_entry->loop_father.
4437
4438 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4439             Tobias Grosser  <grosser@fim.uni-passau.de>
4440
4441         * graphite.h (ref_nb_loops): Remove declaration.
4442         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4443         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4444         debug_gbb): Moved to sese.h.
4445         * sese.h: As said.
4446
4447 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4448             Tobias Grosser  <grosser@fim.uni-passau.de>
4449
4450         * graphite-data-ref.[ch]: Disable.
4451
4452 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4453             Tobias Grosser  <grosser@fim.uni-passau.de>
4454
4455         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4456         scalar evolutions in the scop_entry->loop_father.
4457
4458 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4459
4460         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4461         (graphite_cannot_represent_loop_niter): Renamed
4462         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4463         (limit_scops): build_sese_loop_nests does not return a bool.
4464         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4465         * sese.c (nb_reductions_in_loop): ... from here.
4466         (graphite_loop_normal_form): ... from here.
4467         (sese_record_loop): Does not fail, so does not return a bool.
4468         (build_sese_loop_nests): Same.
4469         * sese.h (build_sese_loop_nests): Update declaration.
4470         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4471         (build_graphite_loop_normal_form): New.
4472         (gloog): Call build_graphite_loop_normal_form.
4473         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4474         build_sese_loop_nests.
4475
4476         * gcc.dg/graphite/id-1.c: New.
4477
4478 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4479             Tobias Grosser  <grosser@fim.uni-passau.de>
4480
4481         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4482         The SCoP detection fix is sufficient.
4483
4484 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4485
4486         PR tree-optimization/39260
4487         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4488         the basic block contains a condition with a real type.
4489         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4490
4491         * gcc.dg/graphite/pr39260.c: New.
4492
4493 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4494
4495         * graphite-poly.c: Inlcude params.h.
4496         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4497         the size of a tile.
4498         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4499         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4500
4501 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4502             Tobias Grosser  <grosser@fim.uni-passau.de>
4503
4504         * graphite-scop-detection.c (dot_all_scops_1,
4505         dot_all_scops): Moved here.
4506         * graphite-scop-detection.h (dot_all_scops): Declared here.
4507         * graphite.c (graphite_initialize, graphite_finalize): New.
4508         (graphite_transform_loops): Cleaned up.
4509         * sese.c (debug_oldivs): Moved here.
4510         * graphite-poly.c (graphite_apply_transformations): Renamed
4511         apply_poly_transforms.
4512         (debug_loop_vec): Moved here.
4513         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4514         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4515         find_scop_parameters, build_scop_iteration_domain,
4516         add_conditions_to_constraints, build_scop_canonical_schedules,
4517         build_scop_data_accesses): Now static.
4518         (build_poly_scop, check_poly_representation): New.
4519
4520 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4521
4522         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4523         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4524         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4525         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4526         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4527         scan_tree_for_params, struct irp_data, dx_record_params,
4528         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4529         build_loop_iteration_domains, add_conditions_to_domain,
4530         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4531         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4532         build_sese_conditions, add_conditions_to_constraints,
4533         build_scop_iteration_domain, build_access_matrix_with_af,
4534         build_access_matrix,
4535         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4536
4537         * graphite-sese-to-poly.c: New.
4538         * graphite-sese-to-poly.h: New.
4539
4540         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4541
4542 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4543
4544         * graphite.c: Split graphite code generation to a new file.
4545         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4546         max_precision_type, clast_to_gcc_expression_red,
4547         clast_to_gcc_expression, gcc_type_for_clast_expr,
4548         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4549         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4550         graphite_create_new_guard, clast_get_body_of_loop,
4551         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4552         graphite_create_new_loop, build_iv_mapping, copy_renames,
4553         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4554         compute_cloog_iv_types, free_scattering, save_var_name,
4555         initialize_cloog_names, build_scop_context, build_cloog_prog,
4556         set_cloog_options, debug_clast_stmt, scop_to_clast,
4557         print_generated_program, debug_generated_program,
4558         gloog): Moved to graphite-clast-to-gimple.c.
4559
4560         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4561
4562         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4563         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4564         loop_iv_stack_pop, loop_iv_stack_get_iv,
4565         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4566         free_loop_iv_stack, loop_iv_stack_remove_constants,
4567         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4568         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4569         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4570         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4571         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4572         get_vdef_before_sese, sese_adjust_vphi,
4573         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4574         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4575         is_iv, expand_scalar_variables_ssa_name,
4576         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4577         expand_scalar_variables, rename_variables, remove_condition,
4578         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4579         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4580         default_liveout_before_guard, add_guard_exit_phis,
4581         insert_guard_phis, register_old_and_new_names,
4582         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4583         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4584         if_region_set_false_region, create_if_region_on_edge,
4585         move_sese_in_condition): Moved to sese.c.
4586
4587         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4588         if_region_exit, if_region_get_condition_block,
4589         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4590         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4591         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4592         ivtype_map_elt, new_ivtype_map_elt,
4593         recompute_all_dominators): Moved to sese.h.
4594
4595         * graphite-clast-to-gimple.c: New.
4596         * graphite-clast-to-gimple.h: New.
4597         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4598         * sese.c: Modified as said above.
4599         * sese.h: Same.
4600
4601 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         * graphite.c: Split scop detection to a new file.
4604         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4605         move_sd_regions, loop_affine_expr, exclude_component_ref,
4606         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4607         graphite_cannot_represent_loop_niter, struct scopdet_info,
4608         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4609         find_single_entry_edge, find_single_exit_edge,
4610         create_single_entry_edge, sd_region_without_exit,
4611         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4612         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4613         Moved to graphite-scop-detection.c.
4614
4615         * graphite-scop-detection.c: New.
4616         * graphite-scop-detection.h: New.
4617         * Makefile.in: Add new rule for graphite-scop-detection.o.
4618
4619         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4620         tree-scalar-evolution.h.
4621         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4622         build_sese_loop_nests): Moved here from graphite.c.
4623         (param_index): Renamed parameter_index_in_region.
4624
4625 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4626             Sebastian Pop  <sebastian.pop@amd.com>
4627
4628         * gcc.dg/graphite/block-0.c: Expected to fail now.
4629         * gcc.dg/graphite/block-1.c: Same.
4630         * gcc.dg/graphite/block-5.c: Same.
4631         * gcc.dg/graphite/block-6.c: Same.
4632
4633 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4634             Sebastian Pop  <sebastian.pop@amd.com>
4635
4636         * graphite.h: Separate from graphite_bb_p the polyhedral
4637         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4638         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4639         graphite-data-ref.h.
4640         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4641         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4642         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4643         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4644         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4645         scop_nb_params): Moved to graphite-poly.h.
4646         * graphite-data-ref.c: Same.
4647         * graphite-data-ref.h: New.
4648         * graphite.c: Same.
4649         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4650         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4651         is_interchange_valid, graphite_trans_bb_block,
4652         graphite_trans_loop_block, scop_max_loop_depth,
4653         graphite_trans_scop_block, graphite_apply_transformations,
4654         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4655         graphite-poly.c.
4656         * graphite-poly.h: New.
4657         * graphite-poly.c: New.
4658         * Makefile.in (OBJS-common): Add graphite-poly.o.
4659         (graphite-poly.o): New rule.
4660         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4661         (DR_SCOP): Removed.
4662
4663 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4664             Tobias Grosser  <grosser@fim.uni-passau.de>
4665
4666         * graphite.c: Replace gb -> gbb.
4667         * graphite.h: Same.
4668         * graphite-data-ref.c: Same.
4669
4670 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4671             Tobias Grosser  <grosser@fim.uni-passau.de>
4672
4673         * Makefile.in (OBJS-commmon): Add sese.o.
4674         (sese.o): New.
4675         (graphite.o): Add sese.h.
4676         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4677         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4678         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4679         Move to sese.
4680         (block_before_scop): Add missing return.
4681         (new_scop, free_scop): Remove SESE data structures.
4682         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4683         find_scop_parameters, build_loop_iteration_domains,
4684         add_conditions_to_domain, register_scop_liveout_renames,
4685         copy_bb_and_scalar_dependences): Scop -> SESE.
4686
4687         (add_conditions_to_domain): SCoP -> SESE and remove check
4688         (scop_contains_non_iv_scalar_phi_nodes): New.
4689         (build_scop_conditions_1, build_scop_conditions): Remove check for
4690         non iv scalar phi nodes.
4691         (print_scop_statistics): New.
4692         (graphite_transform_loops): Cleanup.
4693
4694         * graphite.h: Move to sese & cleanup.
4695         * sese.c: New.
4696         * sese.h: New.
4697
4698 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4699             Tobias Grosser  <grosser@fim.uni-passau.de>
4700
4701         * graphite.c (build_scop_conditions_1): Conditions are only
4702         at the end of a basic block.
4703
4704 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4705             Tobias Grosser  <grosser@fim.uni-passau>
4706
4707         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4708         field.
4709         (GBB_ALPHA): Removed.
4710
4711 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4712             Tobias Grosser  <grosser@fim.uni-passau.de>
4713
4714         * graphite-data-ref.c (graphite_test_dependence): Don't use
4715         GBB_DYNAMIC_SCHEDULE.
4716         * graphite.c (new_graphite_bb): Same.
4717         (free_graphite_bb): Same.
4718         (build_scop_dynamic_schedules): Removed.
4719         (graphite_transform_loops): Don't call it.
4720         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4721         (GBB_DYNAMIC_SCHEDULE): Removed.
4722
4723 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4724             Tobias Grosser  <grosser@fim.uni-passau.de>
4725
4726         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4727         (print_graphite_bb): Same.
4728         (build_cloog_prog): Same.
4729
4730 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4731             Tobias Grosser  <grosser@fim.uni-passau.de>
4732
4733         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4734
4735 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4736             Tobias Grosser  <grosser@fim.uni-passau.de>
4737
4738         * graphite.c (build_scop_context): Don't use CloogMatrix.
4739         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4740         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4741
4742 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4743             Tobias Grosser  <grosser@fim.uni-passau.de>
4744
4745         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4746         liveout_renames, add_params fields...
4747         (struct sese): ... here.
4748         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4749         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4750
4751 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4752             Tobias Grosser  <grosser@fim.uni-passau.de>
4753
4754         * graphite.c (print_scop): Do not print the CLooG program.
4755         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4756         build_cloog_prog, gloog): Don't use SCOP_PROG.
4757         (find_transform): Renamed scop_to_clast.
4758         (print_generated_program, debug_generated_program): New.
4759         (graphite_transform_loops): Adapt to new interface.
4760         * graphite.h (struct scop): Remove program field.
4761         (SCOP_PROG): Removed.
4762         (print_generated_program, debug_generated_program): Declared.
4763
4764 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4765
4766         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4767         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4768         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4769         free_graphite_bb, build_scop_canonical_schedules,
4770         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4771         schedules are now represented using a ppl_Linear_Expression_t.
4772         * graphite.h (struct graphite_bb): Same.
4773         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4774         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4775
4776 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4777
4778         * graphite.c: Free local memory.
4779         * graphite-ppl.c: Same.
4780
4781 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4782
4783         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4784         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4785         swap_constraint_variables, scale_constraint_variable): Removed.
4786         (graphite_trans_bb_strip_mine): Remove pong.
4787         * graphite-ppl.c: Include missing header files.
4788         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4789         * graphite-ppl.h (ppl_strip_loop): Declared.
4790         * Makefile.in (graphite-ppl.o): Adjust dependences.
4791
4792 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4793
4794         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4795         (build_scop_iteration_domain): Same.
4796
4797 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4798
4799         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4800         ping pong.
4801         (add_value_to_dim, scan_tree_for_params_right_scev,
4802         scan_tree_for_params_int): New.
4803         * graphite-ppl.c (oppose_constraint): New.
4804         (insert_constraint_into_matrix): Implement missing cases.
4805         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4806
4807 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4808
4809         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4810         use ppl_move_dimension.
4811
4812 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4813
4814         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4815         * graphite.c: Same.
4816         * graphite.h: Same.
4817         * graphite-ppl.c: Same.
4818         * graphite-ppl.h: Same.
4819
4820 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4821
4822         Revert last 3 commits.
4823
4824 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4825
4826         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4827         ping pong.
4828         (add_value_to_dim, scan_tree_for_params_right_scev,
4829         scan_tree_for_params_int): New.
4830         * graphite-ppl.c (oppose_constraint): New.
4831         (insert_constraint_into_matrix): Implement missing cases.
4832         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4833
4834 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4835
4836         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4837
4838 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4839             Tobias Grosser  <grosser@fim.uni-passau.de>
4840
4841         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4842         use ppl_move_dimension.
4843         * graphite-ppl.c (ppl_move_dimension): New.
4844         * graphite-ppl.h (ppl_move_dimension): Declared.
4845
4846 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4847
4848         * graphite.c: Do not include cloog/cloog.h.
4849         (print_graphite_bb): Remove ping pong, call PPL print function.
4850
4851 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4852
4853         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4854         (graphite.o): Add dependence on graphite-ppl.h.
4855         (graphite-ppl.o): New.
4856         (graphite-data-ref.c): Ping pong between PPL data structures
4857         and matrices.
4858         * graphite-ppl.c: New.
4859         * graphite-ppl.h: New.
4860         * graphite.c: Include graphite-ppl.h.
4861         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4862         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4863         Ping pong between PPL data structures and matrices.
4864         (new_graphite_bb): Create a PPL constraint system.
4865         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4866         (build_loop_iteration_domains): Use PPL functions.
4867         * graphite.h: Include graphite-ppl.h.  Fix comments.
4868         (graphite_bb): Use a ppl_Constraint_System_t instead of
4869         CloogMatrix for representing the domain.
4870         (scop): Remove static_schedule.
4871         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4872
4873 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4874
4875         * graphite.c: Fix some comments.
4876
4877 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4878
4879         PR middle-end/38953
4880         * graphite.c (if_region_set_false_region): After moving a region
4881         in the false branch of a condition, remove the empty dummy
4882         basic block.
4883         (gloog): Remove wrong fix for PR38953.
4884
4885 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4886
4887         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4888         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4889         register_bb_in_sese, new_sese, free_sese): Moved.
4890         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4891         outermost_loop_in_scop, build_scop_iteration_domain,
4892         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4893         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4894         Use loop_in_sese_p instead of loop_in_scop_p.
4895         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4896         (free_scop): Do not free SCOP_BBS_B.
4897         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4898         ref_nb_loops): Moved here...
4899         * graphite.h (ref_nb_loops): ... from here.
4900         (struct scop): Remove bbs_b bitmap.
4901         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4902         * gcc.dg/graphite/scop-19.c: New
4903
4904 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4905
4906         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4907         detection.
4908
4909 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4910
4911         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4912         eq_loop_to_cloog_loop): Remove.
4913         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4914         * graphite.h (struct scop): Remove loop2cloog_loop.
4915         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4916
4917 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4918
4919         * opts.c (decode_options): Only add graphite options to O2
4920         if we compile with graphite enabled.
4921
4922 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4923
4924         * Merge from mainline (r143163:143684).
4925
4926 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4927
4928         * graphite.c (debug_value): Removed.
4929         * graphite.h (debug_value): Removed.
4930
4931 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4932
4933         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4934         after graphite: pass_copy_prop does not maintain a proper loop closed
4935         SSA form.  pass_copy_prop should be fixed.
4936
4937 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4938
4939         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4940
4941 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4942
4943         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4944         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4945         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4946         changed the CFG.
4947
4948 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4949
4950         * graphite.c (gloog): Return true when code gen succeeded.
4951         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4952         the code of the function did not changed.  After cleanup_tree_cfg
4953         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4954         form.
4955
4956 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4957
4958         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4959         gimple_call_lhs is NULL.
4960
4961 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4962             Tobias Grosser  <tobi.grosser@amd.com>
4963
4964         * graphite.c (graphite_trans_scop_block): Do not block single
4965         nested loops.
4966
4967 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4968             Tobias Grosser  <tobi.grosser@amd.com>
4969
4970         * graphite.c (build_scop_canonical_schedules): Start schedules at
4971         zero.
4972
4973 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4974             Tobias Grosser  <tobi.grosser@amd.com>
4975
4976         * graphite.c (compare_prefix_loops): New.
4977         (build_scop_canonical_schedules): Rewritten.
4978         (graphite_transform_loops): Move build_scop_canonical_schedules
4979         after build_scop_iteration_domain.
4980
4981 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4982             Tobias Grosser  <tobi.grosser@amd.com>
4983
4984         * graphite.c (add_conditions_to_domain): Add the loops to
4985         the dimension of the iteration domain.  Do copy the domain
4986         only when it exists.
4987         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4988         (add_conditions_to_constraints): New.
4989         (can_generate_code_stmt, can_generate_code): Removed.
4990         (gloog): Do not call can_generate_code.
4991         (graphite_transform_loops): Call add_conditions_to_constraints
4992         after building the iteration domain.
4993
4994 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4995             Tobias Grosser  <tobi.grosser@amd.com>
4996             Jan Sjodin  <jan.sjodin@amd.com>
4997
4998         * graphite.c (scan_tree_for_params): On substractions negate
4999         all the coefficients of the term.
5000         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5001         of more than two operands.
5002         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5003         (get_vdef_before_scop): Handle also the case of default definitions.
5004
5005 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5006
5007         PR middle-end/38431
5008         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5009         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5010         (gloog): Do not call cleanup_tree_cfg.
5011         (graphite_transform_loops): Call cleanup_tree_cfg after all
5012         scops have been code generated.
5013
5014 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5015
5016         * passes.c (init_optimization_passes): Schedule after
5017         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5018
5019 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5020
5021         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5022         Fix comment.
5023         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5024         Set the type of an expression to the type of its assign statement.
5025         (expand_scalar_variables_expr):  Do not pass loop_p.
5026         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5027         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5028         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5029
5030 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5031
5032         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5033         an expression to the gimple_expr_type of its assign statement.
5034         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5035         or tcc_declaration.
5036
5037 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5038
5039         PR tree-optimization/38786
5040         * gcc.dg/graphite/pr38786.c: New.
5041         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5042         the SSA_NAME case of expand_scalar_variables_expr.
5043         (expand_scalar_variables_expr): Also gather the scalar computation
5044         used to index the memory access.
5045         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5046         the gimple_stmt_iterator where it inserts new code.
5047
5048 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5049
5050         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5051
5052 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5053
5054         * opts.c (decode_options): Enable flag_graphite_identity and
5055         flag_loop_block in -O2 and above.
5056
5057 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5058
5059         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5060         Fix merge problem: replace with the file from trunk.
5061
5062 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5063
5064         * Merge from mainline (r141727:143163).
5065
5066 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5067             Jan Sjodin  <jan.sjodin@amd.com>
5068
5069         PR tree-optimization/38559
5070         * gcc.dg/graphite/pr38559.c: New.
5071
5072         * graphite.c (debug_value, copy_constraint,
5073         swap_constraint_variables, scale_constraint_variable, ): New.
5074         (get_lower_bound, get_upper_bound): Removed.
5075         (graphite_trans_bb_strip_mine): Clean up this code that works
5076         only for constant number of iterations.  Fully copy upper and
5077         lower bound constraints, not only the constant part of them.
5078         * graphite.h (debug_value): Declared.
5079
5080 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5081
5082         PR tree-optimization/38492
5083         PR tree-optimization/38498
5084         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5085         * tree-chrec.h (scev_is_linear_expression): Declared.
5086         * graphite.c (graphite_cannot_represent_loop_niter): New.
5087         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5088         (graphite_loop_normal_form): Use gcc_assert.
5089         (scan_tree_for_params): Use CASE_CONVERT.
5090         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5091         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5092         Use gcc_assert.  Discard scops that contain unhandled cases.
5093         (build_scop_conditions): Return a boolean status for unhandled cases.
5094         (strip_mine_profitable_p): Print the loop number, not its depth.
5095         (is_interchange_valid): Pass the depth of the loop nest, don't
5096         recompute it wrongly.
5097         (graphite_trans_bb_block): Same.
5098         (graphite_trans_bb_block): Print tentative of loop blocking.
5099         (graphite_trans_scop_block): Do not print that the loop has been
5100         blocked.
5101         (graphite_transform_loops): Do not handle scops that contain condition
5102         scalar phi nodes.
5103
5104         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5105         in trunk.
5106         * gcc.dg/graphite/block-0.c: Update test.
5107         * gcc.dg/graphite/block-1.c: Same.
5108         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5109         blocking.
5110         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5111         * gcc.dg/graphite/block-3.c: New.
5112         * gcc.dg/graphite/pr38498.c: New.
5113
5114 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5115
5116         PR tree-optimization/38510
5117         * gcc.dg/graphite/pr38510.c: New.
5118         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5119           (translate_clast): Call recompute_all_dominators before
5120           graphite_verify.
5121           (gloog): Call recompute_all_dominators before graphite_verify.
5122
5123 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5124
5125         PR tree-optimization/38492
5126         * graphite.c (rename_map_elt, debug_rename_elt,
5127         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5128         rename_map_elt_info, eq_rename_map_elts,
5129         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5130         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5131         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5132         (sese_build_livein_liveouts): New.
5133         (new_sese, free_sese): New.
5134         (new_scop): Call new_sese.
5135         (free_scop): Call free_sese.
5136         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5137         (register_old_new_names): Renamed register_old_and_new_names.
5138         (register_scop_liveout_renames, add_loop_exit_phis,
5139         insert_loop_close_phis, struct igp,
5140         default_liveout_before_guard, add_guard_exit_phis,
5141         insert_guard_phis, copy_renames): New.
5142         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5143         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5144         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5145         (scop_adjust_phis_for_liveouts): New.
5146         (gloog): Call scop_adjust_phis_for_liveouts.
5147
5148         * graphite.h (struct sese): Documented.  Added fields liveout,
5149         num_ver and livein.
5150         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5151         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5152         (struct scop): Added field liveout_renames.
5153         (SCOP_LIVEOUT_RENAMES): New.
5154
5155 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5156
5157         PR tree-optimization/38409
5158         * gcc.dg/graphite/pr38409.c: New.
5159         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5160
5161 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5162
5163         * graphite.c (gcc_type_for_cloog_iv): By default return
5164         integer_type_node.
5165         (graphite_create_new_loop): Don't fold_convert the already
5166         fold_convert-ed expression.
5167
5168 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5169
5170         PR tree-optimization/38446
5171         * gcc.dg/graphite/pr38446.c: New.
5172         * graphite.c (register_bb_in_sese): New.
5173         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5174         looking at the bbs in the region.
5175         * graphite.h (sese): Add region_basic_blocks pointer set to
5176         structure and initialize at the time of defining new scop.
5177
5178 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5179
5180         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5181         (find_params_in_bb): Do not free data refs.
5182         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5183
5184 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5185
5186         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5187         * gcc.dg/graphite/scop-17.c: Same.
5188         * gcc.dg/graphite/block-5.c: New.
5189         * gcc.dg/graphite/block-6.c: New.
5190         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5191         * gcc.dg/graphite/pr37684.c: Same.
5192         * gcc.dg/graphite/block-2.c: Same.
5193
5194         * graphite.c (struct ivtype_map_elt): New.
5195         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5196         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5197         gcc_type_for_cloog_iv): New.
5198         (loop_iv_stack_patch_for_consts): Use the type of the induction
5199         variable from the original loop, except for the automatically
5200         generated loops, i.e., in the case of a strip-mined loop, in
5201         which case there is no original loop: in that case just use
5202         integer_type_node.
5203         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5204         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5205         (clast_name_to_gcc): Accept params to be NULL.
5206         (clast_to_gcc_expression): Take an extra parameter for the type.
5207         Convert to that type all the expressions built by this function.
5208         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5209         (graphite_translate_clast_equation): Compute the type of the
5210         clast_equation before translating its LHS and RHS.
5211         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5212         (graphite_create_new_loop): Compute the type of the induction
5213         variable before translating the lower and upper bounds and before
5214         creating the induction variable.
5215         (rename_variables_from_edge, rename_phis_end_scop): New.
5216         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5217         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5218         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5219         compute_cloog_iv_types): New.
5220         (gloog): Call compute_cloog_iv_types before starting the
5221         translation of the clast.
5222
5223         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5224         (GBB_CLOOG_IV_TYPES): New.
5225         (debug_ivtype_map): Declared.
5226         (oldiv_for_loop): New.
5227
5228 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5229
5230         PR middle-end/38459
5231         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5232         (param_index): Assert if parameter is not know after parameter
5233         detection.
5234         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5235         (find_scop_parameters): Mark, that we have finished parameter
5236         detection.
5237         (graphite_transform_loops): Move condition detection before parameter
5238         detection.
5239         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5240         * gfortran.dg/graphite/pr38459.f90: New.
5241
5242 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5243
5244         * graphite.c (graphite_transform_loops): Always call find_transform ()
5245         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5246         generate code.
5247
5248 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5249
5250         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5251         (print_scop): Ditto.
5252
5253 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5254
5255         PR middle-end/38084
5256         Fix gfortran.dg/graphite/id-3.f90.
5257         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5258         regions more than once.
5259
5260 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5261
5262         Fix gfortran.dg/graphite/id-4.f90.
5263         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5264         when not needed.
5265
5266 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5267
5268         Fix gfortran.dg/graphite/id-1.f90.
5269         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5270         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5271         (max_precision_type): New.
5272         (value_clast): Removed.
5273         (clast_to_gcc_expression): Be more careful to types of expressions.
5274         Use max_precision_type and update use of gmp_cst_to_tree.
5275         (graphite_translate_clast_equation): Use max_precision_type.
5276         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5277         use the type of the condition.
5278         (graphite_create_new_loop): Do not use integer_type_node, use the
5279         max_precision_type of lb and ub.
5280
5281 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5282
5283         * graphite.c (build_scops_1): Initialize open_scop.exit
5284         and sinfo.last.
5285
5286 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5287
5288         * gcc.dg/graphite/pr38084.c: New.
5289         * gfortran.dg/graphite/id-1.f90: New.
5290         * gfortran.dg/graphite/id-2.f90: New.
5291         * gfortran.dg/graphite/id-3.f90: New.
5292         * gfortran.dg/graphite/id-4.f90: New.
5293         * gfortran.dg/graphite/pr37857.f90: New.
5294
5295 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5296             Jan Sjodin  <jan.sjodin@amd.com>
5297             Harsha Jagasia  <harsha.jagasia@amd.com>
5298
5299         PR middle-end/37852
5300         PR middle-end/37883
5301         PR middle-end/37928
5302         PR middle-end/37980
5303         PR middle-end/38038
5304         PR middle-end/38039
5305         PR middle-end/38073
5306         PR middle-end/38083
5307         PR middle-end/38125
5308
5309         * gcc.dg/graphite/pr38073.c: New.
5310         * gcc.dg/graphite/pr37928.c: New.
5311         * gcc.dg/graphite/pr37883.c: New.
5312         * gcc.dg/graphite/pr38125.c: New.
5313         * gfortran.dg/graphite/pr38083.f90: New.
5314         * gfortran.dg/graphite/pr37852.f90: New.
5315         * gfortran.dg/graphite/pr37980.f90: New.
5316
5317         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5318         the number of detected scops.  Copy exact same test for loop
5319         blocking...
5320         * gcc.dg/graphite/block-1.c: Fix the number of expected
5321         loops to be blocked as reductions are not handled.
5322         * gcc.dg/graphite/block-4.c: ...here.  New.
5323
5324         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5325         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5326         ...here.
5327         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5328         * Makefile.in (graphite.o): Depend on value-prof.h.
5329         (graphite.o-warn): Removed -Wno-error.
5330         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5331         to be a NULL pointer.  Call update_stmt.  Return the newly created
5332         cannonical induction variable.
5333
5334         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5335
5336         * graphite.c: Reimplement the code generation from graphite to gimple.
5337         Include value-prof.h.
5338         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5339         (get_old_iv_from_ssa_name): Removed.
5340         (graphite_stmt_p): New.
5341         (new_graphite_bb): Test for useful statements before building a
5342         graphite statement for the basic block.
5343         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5344         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5345         reason.
5346         (recompute_all_dominators, graphite_verify,
5347         nb_reductions_in_loop, graphite_loop_normal_form): New.
5348         (scop_record_loop): Call graphite_loop_normal_form.
5349         (build_scop_loop_nests): Iterate over all the blocks of the
5350         function instead of relying on the incomplete information from
5351         SCOP_BBS.  Return the success of the operation.
5352         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5353         (add_bb_domains): Removed.
5354         (build_loop_iteration_domains): Don't call add_bb_domains.
5355         Add the iteration domain only to the basic blocks that have been
5356         translated to graphite.
5357         (build_scop_conditions_1): Add constraints only if the basic
5358         block have been translated to graphite.
5359         (build_scop_data_accesses): Completely disabled until data
5360         dependence is correctly implemented.
5361         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5362         (remove_all_edges_1, remove_all_edges): Removed.
5363         (get_new_name_from_old_name): New.
5364         (graphite_rename_variables_in_stmt): Renamed
5365         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5366         Use replace_exp and update_stmt.
5367         (is_old_iv): Renamed is_iv.
5368         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5369         Use replace_exp and update_stmt.
5370         (expand_scalar_variables_expr): Same.  Use the map to get the
5371         new names for the renaming of induction variables and for the
5372         renaming of variables after a basic block has been copied.
5373         (expand_scalar_variables): Same.
5374         (graphite_rename_variables): Renamed rename_variables.
5375         (move_phi_nodes): Removed.
5376         (get_false_edge_from_guard_bb): New.
5377         (build_iv_mapping): Do not insert the induction variable of a
5378         loop in the renaming iv map if the basic block does not belong
5379         to that loop.
5380         (register_old_new_names, graphite_copy_stmts_from_block,
5381         copy_bb_and_scalar_dependences): New.
5382         (translate_clast): Heavily reimplemented: copy basic blocks,
5383         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5384         At each translation step call graphite_verify ensuring the
5385         consistency of the SSA, loops and dominators information.
5386         (collect_virtual_phis, find_vdef_for_var_in_bb,
5387         find_vdef_for_var_1, find_vdef_for_var,
5388         patch_phis_for_virtual_defs): Removed huge hack.
5389         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5390         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5391         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5392         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5393         if_region_get_condition_block, if_region_set_false_region,
5394         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5395         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5396         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5397         rewrite_into_sese_closed_ssa): New.
5398         (gloog): Remove dead code.  Early return if code cannot be
5399         generated.  Call cleanup_tree_cfg once the scop has been code
5400         generated.
5401         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5402         block loops with less than two loops.
5403         (graphite_apply_transformations): Remove the call to
5404         scop_remove_ignoreable_gbbs.
5405         (limit_scops): When build_scop_loop_nests fails, continue on
5406         the next scop.  Fix open_scop.entry.
5407         (graphite_transform_loops): Call recompute_all_dominators: force the
5408         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5409         Call initialize_original_copy_tables and free_original_copy_tables
5410         to be able to copy basic blocks during code generation.
5411         When build_scop_loop_nests fails, continue on next scop.
5412         (value_clast): New union.
5413         (clast_to_gcc_expression): Fix type cast warning.
5414
5415 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5416
5417         * Merge from mainline (r140838:141727).
5418
5419 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5420
5421         PR middle-end/37833
5422
5423         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5424
5425 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5426
5427         PR middle-end/37943
5428
5429         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5430         exits and conditions.
5431         * gcc.dg/graphite/pr37943.c: New.
5432
5433 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5434
5435         PR middle-end/37886
5436         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5437
5438 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5439
5440         * doc/invoke.texi: Fix spaces.
5441
5442 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5443
5444         PR tree-optimization/37891
5445         Reverted last commit.
5446         * graphite.c (create_single_entry_edge): Set
5447         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5448
5449 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5450             Mitul Thakkar  <mitul.thakkar@amd.com>
5451
5452         * graphite.c (create_single_entry_edge): Set
5453         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5454
5455 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5456
5457         * doc/invoke.texi: Add -fgraphite-identity.
5458         * graphite.c (graphite_apply_transformations): Check for
5459         -fgraphite-identity.
5460         * toplev.c (process_options): Add flag_graphite_identity.
5461         * tree-ssa-loop.c: Add flag_graphite_identity.
5462
5463 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5464
5465         Undo changes from 2008-10-02:
5466         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5467         operand type when copying the operand to a variable of different type.
5468         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5469         with the IV name after increment.
5470
5471 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5472             Harsha Jagasia  <harsha.jagasia@amd.com>
5473
5474         PR tree-optimization/37828
5475         * gcc.dg/graphite/pr37828.c: New.
5476         * graphite.c (graphite_trans_loop_block): Do not loop block
5477         single nested loops.
5478
5479 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5480             Sebastian Pop  <sebastian.pop@amd.com>
5481
5482         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5483         rename_map_elt_info, eq_rename_map_elts): New.
5484         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5485         (expand_scalar_variables_expr): Change parameters.
5486         (expand_scalar_variables_stmt): Same.
5487         (expand_scalar_variables): Same.
5488         (graphite_rename_ivs): Rename graphite_rename_variables.
5489         (build_iv_mapping): New.
5490         (translate_clast): Call build_iv_mapping.
5491         * graphite.h (gbb_p): New name.
5492
5493 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5494
5495         PR tree-optimization/37684
5496         * gcc.dg/graphite/pr37684.c: New.
5497         * graphite.c (exclude_component_ref): New.
5498         (is_simple_operand): Call exclude_component_ref.
5499
5500 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5501             Harsha Jagasia  <harsha.jagasia@amd.com>
5502
5503         PR tree-optimization/37485
5504         * gcc.dg/graphite/block-2.c: New
5505         * graphite.c (gmp_cst_to_tree): Moved.
5506         (iv_stack_entry_is_constant): New.
5507         (iv_stack_entry_is_iv): New.
5508         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5509         (loop_iv_stack_insert_constant): New.
5510         (loop_iv_stack_pop): Use new datatpype.
5511         (loop_iv_stack_get_iv): Same.
5512         (loop_iv_stack_get_iv_from_name): Same.
5513         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5514         (loop_iv_stack_patch_for_consts): New.
5515         (loop_iv_stack_remove_constants): New.
5516         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5517         (translate_clast): Call loop_iv_stack_patch_for_consts and
5518         loop_iv_stack_remove_constants.
5519         (gloog): Use new datatype.  Redirect construction edge to end
5520         block to avoid accidental deletion.
5521         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5522         iv stack entry.
5523         (union iv_stack_entry_data): New.  Data in iv stack entry.
5524         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5525
5526 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5527
5528         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5529         operand type when copying the operand to a variable of different type.
5530
5531 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5532
5533         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5534         with the IV name after increment.
5535
5536 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5537
5538         * Merge from mainline (r140164:140838).
5539
5540 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5541
5542         * graphite-data-ref.c: New.
5543         * graphite.c (print_scop): Also dump the dependence graph.
5544         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5545         (new_scop): Initialize SCOP_DEP_GRAPH.
5546         (build_scop_dynamic_schedules): New.
5547         (build_access_matrix_with_af): Fixed column numbering.
5548         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5549         * graphite.h: Add ifndef/define guards against multiple inclusion.
5550         (struct scop): Add dep_graph field.
5551         (SCOP_DEP_GRAPH): Defined.
5552         (ref_nb_loops): Fixed and moved to other position.
5553         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5554         (nb_loops_around_loop_in_scop): New.
5555         (graphite_dump_dependence_graph): Declared.
5556         (graphite_build_rdg_all_levels): Declared.
5557         (graphite_test_dependence): Declared.
5558         * Makefile.in (graphite-data-ref.o): New target.
5559
5560 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5561
5562         * Merge from mainline (139870:140164).
5563
5564 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5565
5566         * Merge from mainline (138275:139870).
5567         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5568         the commits from trunk broke the niter detection.
5569
5570 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5571
5572         * graphite.c: Add more documentation.  Fix formatting.
5573         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5574         loop_iv_stack_debug): Moved...
5575         (schedule_to_scattering): Move before use.
5576         (dot_all_scops): Include in "#if 0" the code for system
5577         call dotty.
5578
5579         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5580         loop_iv_stack_debug): ...here.
5581
5582 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5583
5584         * tree-phinodes.c (make_phi_node): Extern.
5585         (add_phi_node_to_bb): New.
5586         (create_phi_node): Call add_phi_node_to_bb.
5587         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5588         (remove_statement): Handle case where stored phi was updated
5589         and is no longer the same.
5590         * graphite.c (is_parameter): New.
5591         (is_old_iv): New.
5592         (expand_scalar_variables_expr): New.
5593         (expand_scalar_variables_stmt): New.
5594         (expand_scalar_variables): New.
5595         (move_phi_nodes): Create new phi instead of moving old one.
5596         (translate_clast): Call expand_scalar_variables.
5597         (find_vdef_for_var_in_bb): Also scan regular definitions.
5598         (skip_phi_defs): New.
5599         (collect_scop_exit_phi_args): New.
5600         (patch_scop_exit_phi_args): New.
5601         (gloog): Patch phis after scop.
5602         * tree-flow.h: (add_phi_node_to_bb): Declared.
5603         (make_phi_node): Declared.
5604
5605 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5606
5607         * graphite.c (end_scop): Split the entry of the scop when it
5608         is the header of the loop in which the scop is ending.
5609         (build_scops_1, limit_scops): Update uses of end_scop.
5610
5611 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5612
5613         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5614         SCOP_ENTRY or SCOP_EXIT.
5615
5616 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5617
5618         * graphite.c (get_construction_edge): Removed.
5619         (gloog): Construction edge is the scop entry edge.
5620
5621 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5622
5623         * graphite.c (can_generate_for_scop): Removed.
5624         (gloog): Do not call it.
5625
5626 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5627
5628         * graphite.c (new_scop): Entry of a scop is an edge.
5629         Initialize SESE region.
5630         (free_scop): Free SESE region.
5631         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5632         (split_difficult_bb): New, split from end_scop.
5633         (end_scop): Exit of a scop is an edge.
5634         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5635         not automatically updated and thus is always wrong.
5636         * graphite.h (struct sese): New.
5637         (SESE_ENTRY): New.
5638         (SESE_EXIT): New.
5639         (struct scop): New field for a SESE region.  Remove entry, exit.
5640         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5641         semantics as before.  Moved comment around.
5642
5643 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5644             Sebastian Pop  <sebastian.pop@amd.com>
5645
5646         * graphite.c (graphite_transform_loops): Always enable gloog
5647         and find_transform when ENABLE_CHECKING.
5648
5649 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5650
5651         * graphite.c (graphite_transform_loops): Move pretty printer
5652         of SCOPs before doing any transform.  Remove call to print_scops
5653         and dot_all_scops_1.
5654
5655 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5656
5657         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5658         (print_graphite_bb): Same.
5659
5660 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5661
5662         * graphite.c (dot_all_scops_1): Cleanup.
5663         (move_scops): Fix comment.
5664
5665 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5666
5667         * graphite.c (build_scop_bbs): Revert commit 139355:
5668
5669         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5670                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5671
5672                 * graphite.c (build_scop_bbs): Factor up code.
5673
5674 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5675
5676         * graphite.c (gloog): Update dominator info.
5677
5678 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5679
5680         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5681
5682 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5685         initialization.
5686         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5687         (translate_clast): Correct formatting.
5688         * graphite.h (struct num_map): Removed.
5689         (struct graphite_bb): Remove num_map field.
5690         (GBB_INDEX_TO_NUM_MAP): Removed.
5691
5692 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5693
5694         * graphite.c (build_access_matrix_with_af): Fix comments.
5695         (build_scop_data_accesses): Same.
5696
5697 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5698
5699         * graphite.c (build_scop_data_accesses): Don't construct
5700         access matrices.  Add a FIXME and an assert condition that
5701         should pass when the access matrices will be needed.
5702
5703 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5704
5705         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5706         really_constant_p.
5707         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5708         Moved close by free_graphite_bb.
5709         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5710         (new_scop): Move close by free_scop.
5711         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5712
5713 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5714
5715         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5716         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5717         instead of recursive call.
5718         (graphite_translate_clast_equation): New.
5719         (graphite_create_guard_cond_expr): New.
5720         (graphite_create_new_guard): New.
5721         (get_stack_index_from_iv): Removed.
5722         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5723         (get_true_edge_from_guard_bb): New.
5724         (translate_clast): Handle stmt_guard in clast.
5725         (get_construction_edge): Allow construction edge detection for
5726         a scope entry with multiple predecessors if one predecessor is
5727         the immediate dominator of scope entry.
5728         (can_generate_code_stmt): Enable code generation for clast_guard.
5729         (gloog): Use correct context loop.  Removed check for post dominators.
5730         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5731
5732 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5733
5734         * graphite.c (remove_dead_loops): Document better which
5735         loops are removed.
5736
5737 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5738
5739         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5740         and PPLINC.
5741         (graphite.o): Also depends on pointer-set.h.
5742
5743 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5744
5745         * graphite.c (scop_record_loop): Fix compile warning.
5746
5747 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5748             Sebastian Pop  <sebastian.pop@amd.com>
5749
5750         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5751
5752 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5753
5754         * graphite.c (build_graphite_bb): Initialize bb->aux to
5755         point to the graphite_bb_p.
5756         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5757         content of bb->aux.
5758         (add_bb_domains): Does not use the scop parameter.
5759         (graphite_transform_loops): Clean bb->aux at the end.
5760
5761 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5762             Sebastian Pop  <sebastian.pop@amd.com>
5763
5764         * lib/target-supports.exp
5765         (check_effective_target_fgraphite): New.
5766
5767         * gcc.dg/graphite/graphite.exp: Early exit when
5768         check_effective_target_fgraphite returns false.
5769         Set dg-do-what-default to compile.
5770         (scan-graphite-dump-times): Removed.
5771         * gfortran.dg/graphite/graphite.exp: Same.
5772
5773         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5774         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5775         * gcc.dg/graphite/scop-1.c: Same.
5776         * gcc.dg/graphite/scop-2.c: Same.
5777         * gcc.dg/graphite/scop-3.c: Same.
5778         * gcc.dg/graphite/scop-4.c: Same.
5779         * gcc.dg/graphite/scop-5.c: Same.
5780         * gcc.dg/graphite/scop-6.c: Same.
5781         * gcc.dg/graphite/scop-7.c: Same.
5782         * gcc.dg/graphite/scop-8.c: Same.
5783         * gcc.dg/graphite/scop-9.c: Same.
5784         * gcc.dg/graphite/scop-10.c: Same.
5785         * gcc.dg/graphite/scop-11.c: Same.
5786         * gcc.dg/graphite/scop-12.c: Same.
5787         * gcc.dg/graphite/scop-13.c: Same.
5788         * gcc.dg/graphite/scop-matmult.c: Same.
5789         * gcc.dg/graphite/scop-14.c: Same.
5790         * gcc.dg/graphite/scop-15.c: Same.
5791         * gcc.dg/graphite/block-0.c: Same.
5792         * gcc.dg/graphite/scop-16.c: Same.
5793         * gcc.dg/graphite/block-1.c: Same.
5794         * gcc.dg/graphite/scop-17.c: Same.
5795         * gcc.dg/graphite/scop-18.c: Same.
5796         * gfortran.dg/graphite/block-1.f90: Same.
5797         * gfortran.dg/graphite/scop-1.f: Same.
5798         * gfortran.dg/graphite/block-2.f: Same.
5799
5800 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5801
5802         * graphite.c: Fix some XXX comments.
5803         (build_scop_dynamic_schedules): Removed.
5804
5805 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5806
5807         * graphite.h (scop_max_loop_depth): Moved...
5808         * graphite.c (scop_max_loop_depth): ...here.
5809         (remove_all_edges_1): New.
5810         (remove_all_edges): Factored code.
5811         (remove_cond_exprs): Check only the last statement for
5812         a GIMPLE_COND expression.
5813
5814 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5815
5816         * graphite.c (scan_tree_for_params): Early return when the
5817         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5818         (find_scop_parameters): Factor out code.
5819         (graphite_trans_bb_strip_mine): Remove dead code.
5820
5821 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5822
5823         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5824         graphite_trans_bb_move_loop): Factor asserts.
5825         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5826         Do not call calculate_dominance_info and estimate_bb_frequencies.
5827
5828 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5829
5830         * graphite.c (create_loops_mapping, free_loops_mapping,
5831         create_loops_mapping_num, debug_loop_mapping_1,
5832         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5833         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5834         graphite_loops_mapping_add_child_num,
5835         graphite_loops_mapping_insert_child,
5836         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5837         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5838         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5839         create_num_from_index, get_num_from_index,
5840         swap_loop_mapped_depth): Removed.
5841         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5842         (free_scop): Do not call free_loops_mapping.
5843         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5844         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5845         get_loop_mapped_depth.
5846         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5847         (graphite_trans_bb_strip_mine): Same.
5848         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5849         (struct scop): Remove field loops_mapping.
5850
5851 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5852             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5853
5854         * graphite.c (scop_record_loop): Factor out one level of the
5855         condition by early return.
5856         (build_scop_loop_nests): Format following FSF coding style.
5857         (build_scop_dynamic_schedules): Factor out code.
5858         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5859
5860 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5861             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5862
5863         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5864         assignments that are not handled as simple operands for now.
5865
5866 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5867             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5868
5869         * graphite.c (build_scop_bbs): Factor up code.
5870
5871 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5872             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5873
5874         * graphite.c (stmt_simple_for_scop_p): Factor code out
5875         of the loop.
5876         (enum gbb_type): New.  Group all the GBB_* types under it.
5877         (is_loop_exit): Moved...
5878         (end_scop): Enable BB spliting.
5879         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5880         * cfgloop.h (is_loop_exit): Declared.
5881
5882 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5883
5884         * doc/invoke.texi: Remove strides from examples containing
5885         DO loops when the strides are equal to 1.
5886
5887 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5888             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5889
5890         * graphite.c (graphite_trans_scop_block): Or the result with
5891         the result from graphite_trans_loop_block.
5892         * gcc.dg/graphite/block-1.c: New.
5893         * gfortran.dg/graphite/block-1.f90: New.
5894         * gfortran.dg/graphite/block-2.f: New.
5895
5896 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5897
5898         * graphite.c (graphite_transform_loops): Call cloog_initialize
5899         and cloog_finalize.
5900
5901 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5902
5903         * tree-data-ref.c) (stmt_simple_memref_p): New.
5904         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5905         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5906         (is_simple_operand): Call stmt_simple_memref_p.
5907
5908         * gcc.dg/graphite/scop-matmult.c: Updated for not
5909         using pointer arithmetic, as this is optimized by PRE and
5910         makes the code too difficult to analyze.
5911
5912         * gcc.dg/graphite/scop-18.c: Same.
5913
5914 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5915
5916         * gdbinit.in (pgg): New.
5917
5918 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5919
5920         * graphite.c (graphite_trans_loop_block): Fix warning.
5921
5922 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5923
5924         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5925
5926 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5927
5928         * graphite.c (graphite_trans_bb_block): Remove check for
5929         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5930         Check if loop blocking is profitable for every loop, before applying
5931         the changes.
5932         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5933         if flag_loop_block is set.
5934
5935 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5936
5937         * graphite.c: Add some more documentation for the loop
5938         mapping.
5939
5940 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5941
5942         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5943         * graphite.c: Format on less than 80 columns.
5944         * graphite.h: Same.
5945
5946 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5947
5948         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5949
5950 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5951
5952         * doc/invoke.texi (floop-block, floop-strip-mine,
5953         floop-interchange): Update documentation with examples.
5954
5955 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5956
5957         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5958         add_referenced_var.
5959         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5960
5961 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5962
5963         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5964         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5965         * tree-scalar-evolution.c: Revert useless changes.
5966         * tree-phinodes.c: Same.
5967         * cfghooks.c: Same.
5968         * vec.h: Same.
5969         * tree-vectorizer.h: Same.
5970         * tree-flow.h: Same.
5971         * tree-cfg.c: Same.
5972         * common.opt (fgraphite): Update documentation.
5973
5974 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5975
5976         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5977         -floop-interchange): Add more text for explaining what each of these
5978         flags is doing.
5979         * tree-into-ssa.c (gimple_vec): Moved to...
5980         * graphite.c: Include gimple.h.
5981         (gimple_vec): Moved to...
5982         (del_loop_to_cloog_loop): Removed.
5983         (loop_affine_expr): Do not call create_data_ref when the
5984         operand is a constant.
5985         (new_scop): Use free instead of del_loop_to_cloog_loop.
5986         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5987         * gimple.h (gimple_vec): ... here.
5988
5989 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5990
5991         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5992         latch executions.
5993         (build_loop_iteration_domains): Fail, if latch executions unknown.
5994
5995 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5996
5997         * graphite.c (add_conditions_to_domain): New.
5998         (build_scop_conditions_1): Call add_conditions_to_domain.
5999         (set_cloog_options): Allow to disable optimizations.
6000
6001 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6002
6003         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6004         Do not use walk_dominator_tree.
6005         (find_scop_parameters): Do not use walk_dominator_tree.
6006
6007 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6008
6009         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6010         (idx_record_params): Adapt.
6011         * graphite.h (scop_gimple_loop_depth): New.
6012
6013 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6014
6015         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6016         (scan_tree_for_params): Remove value_init.
6017         (build_scop_context): Remove value_init.
6018         (build_loop_iteration_domains): Remove value_init.
6019         (schedule_to_scattering): Remove value_init.
6020         (graphite_trans_bb_strip_mine): Remove value_init.
6021
6022 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6023
6024         * gcc/graphite.c (limit_scops): New.
6025         (graphite_transform_loops): Add limit SCoPs.
6026         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6027         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6028         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6029         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6030         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6031         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6032         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6033         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6034         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6035         Change loop numbers.
6036         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6037         Change loop numbers.
6038         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6039         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6040         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6041         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6042         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6043         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6044         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6045         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6046         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6047         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6048
6049 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6050
6051         * graphite.c (graphite_transform_loops): Call always find_transform.
6052
6053 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6054
6055         * graphite.c (free_loops_mapping): New.
6056         (stmt_simple_for_scop_p): Fix typo.
6057         (stmt_simple_for_scop_p): Fix tuples functions, that
6058         broke polyhedron.
6059         (free_graphite_bb): Fix some memleaks.
6060         (free_scop): Fix some memleaks.
6061         (scopdet_bb_info): Do not forget some tmp SCoPs.
6062         (find_params_in_bb): Fix some memleaks.
6063         (clast_to_gcc_expression): Fix warning.
6064
6065 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6066
6067         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6068         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6069
6070 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6071
6072         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6073         Move code ifdef-ed HAVE_cloog...
6074         * graphite.c: Include toplev.h.
6075         ... here.
6076         * Makefile.in (OBJS-common): Always build graphite.o.
6077         (BACKEND): Remove @GRAPHITE@.
6078         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6079         (graphite.o): Depend on TOPLEV_H.
6080
6081 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6082
6083         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6084         Remove typo left from polylib to ppl conversion.
6085         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6086
6087 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6088
6089         * toplev.c (process_options): Move the graphite loop optimization
6090         flags...
6091         * tree-ssa-loop.c (graphite_transforms): ... here.
6092         When not configured with CLooG, print to dump_file that
6093         Graphite transforms were not performed.
6094         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6095         New.
6096         * gcc.dg/graphite/*.c: Updated all testcases to use
6097         scan-graphite-dump-times.
6098
6099 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6100
6101         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6102         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6103
6104 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6105             Jan Sjodin  <jan.sjodin@amd.com>
6106
6107         * configure: Regenerated.
6108         * omp-low.c (expand_omp_sections): Remove now unused code.
6109         * config.in (HAVE_polylib): Removed.
6110         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6111         (PPLLIBS, PPLINC): Added.
6112         * graphite.c: Replace unsigned with int wherever possible.
6113         Don't access Cloog's data structures, but use accessor functions.
6114         Clast's stmt->type is now implemented as a vtable: change the
6115         switches of stmt->type into ifs.
6116         (polylib/polylibgmp.h): Don't include.
6117         (initialize_dependence_polyhedron,
6118         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6119         statement_precedes_p, test_dependence, build_rdg_all_levels,
6120         dump_dependence_graph): Removed until this code is cleaned up
6121         or ported to Cloog.
6122         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6123         (POLYLIBINC): Renamed PPLINC.
6124
6125 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6126             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6127             Jan Sjodin  <jan.sjodin@amd.com>
6128
6129         Finish the merge and tuplification of graphite.
6130
6131 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6132             Jan Sjodin  <jan.sjodin@amd.com>
6133
6134         Partial merge from mainline (138072:138275).
6135         * graphite.c still has to be tuplified.
6136
6137 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6138
6139         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6140         (create_num_from_index): New.
6141         (get_num_from_index): Also pass in the graphite BB.
6142         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6143         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6144         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6145         (is_interchange_valid): Return false when failing.
6146         * graphite.h (struct num_map): New.
6147         (struct graphite_bb): New field num_map.
6148         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6149
6150 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6151
6152         * graphite.c (dump_gbb_conditions): Print also conditions like
6153         "if (a)".  Remove dublicated code and use print_generic_expr ().
6154         (stmt_simple_for_scop_p): Only allow conditions we can handle
6155         {<, <=, >, >=}.
6156
6157 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6158
6159         * graphite.h (struct scop): Removed new_ivs field.
6160         (SCOP_NEWIVS): Deleted.
6161         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6162         clast_to_gcc_expression, graphite_create_new_loop):
6163         Removed use of new_ivs.
6164
6165 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6166
6167         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6168         create_loops_mapping_num, debug_loop_mapping_1): New.
6169         (debug_loop_mapping): Call debug_loop_mapping_1.
6170         (get_loop_mapping_for_num,
6171         graphite_loops_mapping_add_child,
6172         graphite_loops_mapping_add_child_num,
6173         graphite_loops_mapping_insert_child,
6174         graphite_loops_mapping_parent,
6175         split_loop_mapped_depth_for_num,
6176         loop_mapped_depth_split_loop): New.
6177         (increment_loop_mapped_depths): Removed.
6178         (swap_loop_mapped_depth_for_num): Reimplemented.
6179         (new_scop): Call create_loops_mapping.
6180         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6181         (translate_clast): Pass the old loop father in parameter, and pass
6182         it to get_old_iv_from_ssa_name.
6183         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6184         can_generate_code, can_generate_for_scop): New.
6185         (graphite_trans_bb_block): Returns false when it fails to transform.
6186         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6187
6188 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6189
6190         Reverted all the changes related to the streamization and
6191         loop fusion.
6192         These changes are now tracked in the streamization branch.
6193
6194 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6195             Jan Sjodin  <jan.sjodin@amd.com>
6196
6197         * graphite.c (gbb_compare): Correctly constify.
6198         (gbb_can_be_ignored): Indent.
6199         (graphite_trans_scop_swap_1and2): Add legality check.
6200         Remove dead FIXMEs.
6201
6202 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6203
6204         Remove fallouts from "Reverted the Condate changes".
6205         * tree.h: Remove unused decl.
6206         * gcc.dg/tree-checker: Same.
6207         * timevar.def: Remove counter.
6208
6209 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6210
6211         * Merge from mainline (135673:138072).
6212
6213         Reverted the MIRO changes (from 2008-04-05) that are now
6214         tracked in the miro branch.
6215         * tree-bounds.c: Removed.
6216         * tree-bounds.h: Removed.
6217
6218         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6219         are now tracked in the condate branch.
6220         * tree-check.c: Removed.
6221         * tree-match.c: Removed.
6222         * condate.y: Removed.
6223
6224 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6225
6226         * common.opt: New user flag -floop-block, -floop-strip-mine
6227         and -floop-interchange.
6228         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6229         graphite loop optimization flags is turned on.
6230         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6231         flag_loop_strip_mine and flag_loop_interchange checks before
6232         optimizations.
6233         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6234         -floop-strip-mine and -floop-interchange.
6235         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6236         -fgraphite.
6237         * gcc.dg/graphite/scop-16.c: Ditto.
6238         * gcc.dg/graphite/scop-17.c: Ditto.
6239         * gcc.dg/graphite/scop-18.c: Ditto.
6240
6241 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6242             Sebastian Pop  <sebastian.pop@amd.com>
6243
6244         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6245         (create_empty_loop_on_edge): More fixes.
6246         * tree-phinodes.c (resize_phi_node): Extern.
6247         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6248         * cfghooks.c (update_dominator_information): New split from
6249         split_edge.
6250         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6251         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6252         successor of the function entry block.
6253
6254         * graphite.c: Include pointer-set.h.
6255         (debug_loop_mapping, increment_loop_mapped_depths,
6256         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6257         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6258         swap_loop_mapped_depth_for_num, get_num_from_index,
6259         swap_loop_mapped_depth, loop_iv_stack_debug,
6260         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6261         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6262         get_old_iv_from_ssa_name): New.
6263         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6264         (free_scop): Free SCOP_LOOPS_MAPPING.
6265         (scop_record_loop): Record old ivs.
6266         (create_var_name): Removed.
6267         (initialize_cloog_names): Allocate double space in case strip mine
6268         applies to all loops once.
6269         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6270         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6271         translation.
6272         (graphite_create_new_loop): Pass in ivstack.
6273         (remove_all_edges): Pass in the construction_edge.
6274         (graphite_remove_iv): Removed.
6275         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6276         remove_cond_exprs): Rewritten.
6277         (move_phi_nodes): New.
6278         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6279         (translate_clast): Pass in ivstack.  Rewrite some cases.
6280         (set_cloog_options, debug_clast_stmt): New.
6281         (find_transform): Use set_cloog_options.
6282         (outermost_loop_layer): Removed.
6283         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6284         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6285         mark_old_loops, remove_dead_loops): New.
6286         (gloog): Rewritten.
6287         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6288         (const_column_index, get_first_matching_sign_row_index,
6289         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6290         get_upper_bound): New.
6291         (graphite_trans_bb_strip_mine): Also update the iv map.
6292
6293         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6294         (struct name_tree): Add a loop field.
6295         (struct scop): Add a graphite_loops_mapping field.
6296         (SCOP_LOOPS_MAPPING): New.
6297         (debug_clast_stmt): Declare.
6298         * lambda.h (find_induction_var_from_exit_cond): Declare.
6299         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6300         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6301         (create_empty_loop_on_edge): Updated.
6302         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6303         rename_variables_in_bb): Declare.
6304         * tree-cfg.c (remove_bb): Extern.
6305
6306         * gcc.dg/graphite/block-0.c: New.
6307
6308 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6309             Sebastian Pop  <sebastian.pop@amd.com>
6310
6311         * graphite.c (strip_mine_profitable_p): New.
6312         (graphite_trans_bb_block): Disable strip mining if not profitable.
6313
6314         * gcc.dg/graphite/scop-18.c: New.
6315         * gcc.dg/graphite/scop-17.c: Fixed.
6316         * gcc.dg/graphite/scop-16.c: Fixed.
6317
6318 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6319             Jan Sjodin  <jan.sjodin@amd.com>
6320             Sebastian Pop  <sebastian.pop@amd.com>
6321
6322         * graphite.c (is_interchange_valid): New.
6323         (graphite_trans_bb_block): Check loop nest of basic block for legality
6324         of interchange.
6325
6326         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6327         outer_most_loop, gbb_outer_most_loop_index): New.
6328
6329         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6330         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6331         * gcc.dg/graphite/scop-16.c: New.
6332         * gcc.dg/graphite/scop-17.c: New.
6333
6334 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6335
6336         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6337         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6338
6339 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6340
6341         * graphite.c (new_scop): Initialize SCOP_EXIT.
6342         (scopdet_info): Add.
6343         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6344         (build_scops_1): Cleanup, bugfixes.
6345         (build_scops): Cleanup.
6346
6347         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6348         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6349
6350 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6351
6352         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6353
6354         * gfortran.dg/graphite/graphite.exp: Use
6355         DEFAULT_GRAPHITE_FLAGS.
6356
6357         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6358
6359 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6360
6361         * graphite.c (scan_tree_for_params): Do not assert any more if
6362         MULT_EXPR parameter is negative.
6363
6364         * gfortran.dg/graphite/scop-1.f: New.
6365
6366         * gfortran.dg/graphite/graphite.exp: New.
6367
6368         * gcc.dg/graphite/scop-15.c: New.
6369
6370 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6371
6372         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6373
6374 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6375
6376         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6377         graphite_swap_loops.
6378         (graphite_trans_bb_move_loop): New.
6379         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6380         (graphite_trans_bb_block): New.
6381         (graphite_trans_loop_block): New.
6382         (graphite_trans_scop_swap_1and2): Rename from
6383         graphite_trans_swap_1and2.
6384         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6385         (graphite_trans_scop_block): New.
6386         (graphite_apply_transformations): Rename from
6387         graphite_transformations.
6388
6389         * gcc.dg/graphite/scop-matmult.c: New.
6390
6391 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6392
6393         * graphite.c (gbb_compare): New.
6394         (graphite_sort_gbbs): New.
6395         (gbb_can_be_ignored): New.
6396         (scop_remove_ignoreable_gbbs): New.
6397         (graphite_transformations): Cleanup and add
6398         scop_remove_ignoreable_gbbs.
6399         * lambda.h (lambda_vector_compare): New.
6400
6401 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6402
6403         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6404         (graphite_swap_loops): int -> unsigned
6405         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6406         (graphite_transformations): New.
6407         (graphite_transform_loops): Move to graphite_transformations.
6408         * graphite.h (gbb_nb_loops): Return unsigned.
6409
6410 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6411
6412         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6413         the domain matrix.  This makes scop-0.c work again.
6414
6415 2008-06-20  Richard Guenther  <rguenther@suse.de>
6416
6417         * graphite.h: Adjust copyright to GPLv3.
6418         * graphite.c: Likewise.
6419         (stmt_simple_memref_for_scop_p): Split out from ...
6420         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6421         and simplify.
6422         (get_bb_type): Optimize.
6423         (is_pred): Remove.
6424         (is_bb_addable): Fix memleak, replace is_pred call with
6425         single_pred.
6426         (build_scops): Use current_loops.
6427         (param_index): Fix memleak.
6428
6429 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6430
6431         * graphite.c: Fix formatting.
6432
6433 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6434
6435         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6436         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6437         (create_var_name, save_var_name): Newly defined functions.
6438         (initialize_cloog_names): Part of the code factored out to
6439         save_var_name.
6440         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6441         in clast_reduction statement.
6442         (graphite_create_new_loop): Now takes a new parameter
6443         for outer_loop.
6444         (translate_clast): Now also takes the context_loop and bb_exit
6445         parameters. Rewritten the code so that it creates a gimple code
6446         inside the given context.
6447         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6448         remove_cond_expr, disconnect_cond_expr,
6449         disconnect_virtual_phi_nodes): Newly defined functions.
6450         * graphite.h (struct scop): added old_ivs vector.
6451         SCOP_OLDIVS: New macro.
6452
6453 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6454
6455         * cfgloopmanip.c: Add missing function comments, fix formatting.
6456
6457 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6458
6459         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6460         (create_empty_loop_on_edge): Defined.
6461         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6462         instead of void.
6463         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6464         (update_dominators_in_loop): Declared as extern
6465         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6466
6467 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6468
6469         * graphite.c (print_graphite_bb): Allow changing number of loops
6470         in SCoP domain.
6471         (initialize_cloog_names): Allow changing number of loops.
6472         (build_cloog_prog): Simplify.
6473         (find_transform): Enable cloog option --strides.
6474         (graphite_swap_loops): New.
6475         (graphite_strip_mine_loop): New.
6476         (graphite_trans_swap_1and2): New.
6477         (graphite_trans_strip): New.
6478         (graphite_transform_loops): Add graphite_trans_strip.
6479         * graphite.h (scop_max_loop_depth): New.
6480
6481 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6482
6483         * graphite.c (build_scop_iteration_domain): Remove forgotten
6484         line. (Fixes compile)
6485
6486 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6487
6488         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6489         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6490         (build_bb_loops): New.
6491         (graphite_transform_loops): Add build_bb_loops.
6492         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6493         numbers.
6494         * graphite.h (graphite_bb): Add loops.
6495         (gbb_nb_loops): New.
6496         (gbb_loop_at_index): New.
6497         (gbb_loop_index): New.
6498         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6499         using nb_params_in_scop.
6500
6501 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6502
6503         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6504         (build_scop_canonical_schedules): Build minimized schedule.
6505         (schedule_to_scattering): Adapt to minimized schedule.
6506         * graphite.h (graphite_bb): Add/Update descriptions.
6507
6508 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6509             Tobias Grosser  <grosser@fim.uni-passau.de>
6510
6511         * graphite.c (print_graphite_bb): Add condition printing.
6512         (dump_value): New.
6513         (dump_gbb_conditions): New.
6514         (build_scop_conditions_1): New.
6515         (build_scop_conditions): New.
6516         * graphite.h (graphite_bb): Add conditions.
6517
6518 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6519
6520         * graphite.c (print_graphite_bb):
6521         (free_graphite_bb): New.
6522         (free_scop): Free bbs.
6523         (get_bb_type): Free doms.
6524         (build_scop_context): Free context matrix.
6525         (build_loop_iteration_domains): Remove unused code.
6526         (build_cloog_prog): Free scattering function and blocklist.
6527         (find_transform): Free options.
6528
6529 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6530
6531         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6532         Remove unnecessery cloog data structures. Make a copy of the domain
6533         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6534         unnecessary cloog data structures. Fix memory leaks. Remove insert
6535         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6536         used.
6537         (build_scop_iteration_domain): Remove unnecessary cloog
6538         data structures.  Fix memory leaks.
6539         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6540         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6541
6542 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6543
6544         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6545
6546 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6547
6548         * graphite.c (end_scop): Style fix.
6549         (schedule_to_scattering): Style and comment fix.
6550
6551 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6552         * graphite.c (print_graphite_bb): Fix definiton of
6553         schedule_to_scattering.
6554         (initialize_cloog_names): Change nb_scattdims to max loop
6555         depth in SCoP.
6556         (schedule_to_scattering): Take parameter for number of scattering
6557         dimensions.
6558         (build_cloog_prog): Only build as much scattering dimensions as
6559         necessary.
6560
6561 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6562
6563         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6564         in polyhedron/aermod.f90.
6565
6566 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6567             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6568             Harsha Jagasia  <harsha.jagasia@amd.com>
6569
6570         * graphite.c (is_bb_addable): Fix segfault.
6571
6572 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6573
6574         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6575         with multiple exits and conditional handling in edge cases.
6576         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6577
6578         * gcc.dg/graphite/scop-14.c: New.
6579
6580 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6581             Adrien Eliche  <aeliche@isty.uvsq.fr>
6582
6583         * graphite.c (is_bb_addable): Add more comments and enhance
6584         readablity of the source code. Fix memory leak.
6585         (is_loop_exit): Fix memory leak.
6586
6587 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6588
6589         * graphite.c (first_loop_in_scop): Deleted.
6590         (setup_cloog_loop): Only walk the loop chain for inner loops.
6591         (build_scop_iteration_domain): Execute setup_cloog_loop for
6592         all loops in the first layer.
6593
6594 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6595
6596         * graphite.c (scan_tree_for_params): Change the way params are
6597         added to be indepenent of the number of loops.
6598         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6599         handling.
6600         (build_cloog_prog): Revert to short matrix format.
6601
6602 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6603             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6604
6605         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6606         warning.
6607
6608 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6609
6610         * graphite.c (nb_data_refs_in_scop): New.
6611         (graphite_transform_loops): Print more stats: number of
6612         loops, basic blocks and data references per scop.
6613
6614 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6615             Jan Sjodin  <jan.sjodin@amd.com>
6616
6617         * graphite.c (loop_affine_expr, idx_record_params,
6618         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6619         instead of instantiate_parameters.
6620
6621 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6622
6623         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6624         add support for parameters, add STATIC_SCHEDULE at the right places,
6625         cleanup.
6626
6627 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6628
6629         * graphite.c (build_scop_loop_nests): Only add the loops, that
6630         are contained completely in the SCoP.
6631         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6632         and the domains are fixed.
6633         (build_scop_canonical_schedules): Add support for bbs not contained
6634         in any SCoP.
6635
6636 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6637
6638         * graphite.h (scop_contains_loop): Update comments to match
6639         the actual behavior.
6640         (scop_contains_loop): New.
6641         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6642
6643 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6644
6645         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6646         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6647         as GBB_COND_HEADER.
6648
6649 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6650             Tobias Grosser  <grosser@fim.uni-passau.de>
6651
6652         * graphite.c (graphite_transform_loops): Early return when
6653         there are no loops in the function.
6654
6655 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6656             Jan Sjodin  <jan.sjodin@amd.com>
6657
6658         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6659         offset of the last loop.
6660         (setup_cloog_loop): Copy the entire outer constraint matrix.
6661
6662 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6663             Jan Sjodin  <jan.sjodin@amd.com>
6664
6665         * graphite.c (stmt_in_scop_p, function_parameter_p,
6666         invariant_in_scop_p): Removed.
6667         (scan_tree_for_params): Can be used with no constraint
6668         matrix for gathering parameters.
6669         (idx_record_params): Don't use idx_record_param, instead use
6670         scan_tree_for_params.
6671         (find_scop_parameters): Same.
6672         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6673         Fix the size of loop domains.
6674         (schedule_to_scattering): Exit when the outer loop is not in scop.
6675         (find_transform): Enable build_cloog_prog.
6676
6677 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6678             Jan Sjodin  <jan.sjodin@amd.com>
6679
6680         * graphite.c (schedule_to_scattering): Make scattering domains
6681         uniformly of the same size, as required by CLooG 0.14.0 and before.
6682
6683 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6684             Jan Sjodin  <jan.sjodin@amd.com>
6685
6686         * graphite.c (schedule_to_scattering): Rewrite, correct the
6687         translation of the scheduling function to scattering.
6688         (build_cloog_prog): Call schedule_to_scattering only once.
6689         * graphite.h (scop_loop_index): Do not fail for loops not
6690         in the scop: return -1.
6691
6692 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6693
6694         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6695         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6696         (setup_cloog_loop): Export GBB_DOMAIN.
6697         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6698         able to rebuild the original control flow.
6699         * graphite.h (graphite_bb): Add domain field and access macro.
6700         (GBB_DOMAIN): New.
6701
6702 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6703
6704         * graphite.c (debug_gbb): New.
6705         (print_scop, build_graphite_bb): Use SCOP_BBS.
6706         (build_scop_bbs): Reimplemented.
6707         (dfs_bb_in_scop_p): Removed.
6708         (build_scop_loop_nests): Reorder loops inserted in
6709         SCOP_LOOP_NEST: outer loops should come first.
6710         (build_scop_canonical_schedules): Reinitialize at zero
6711         the components of the SCOP_STATIC_SCHEDULE for the loops
6712         that have already been parsed.
6713
6714         * graphite.h (debug_gbb): Declared.
6715
6716 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6717             Jan Sjodin  <jan.sjodin@amd.com>
6718
6719         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6720         (graphite_loop_to_gcc_loop): Removed.
6721         (remove_all_edges): New.
6722         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6723         (gloog): Remove useless code.
6724
6725 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6726
6727         * graphite.c (get_bb_type): Reworked. We distinguish between
6728         loops with one or multiple exits.
6729         (is_loop_exit): New.
6730         (is_pred): New.
6731         (is_bb_addable): Rework condition handling, now support for case
6732         case statements and loops with multiple exits.
6733
6734         * gcc.dg/graphite/scop-11.c: New.
6735         * gcc.dg/graphite/scop-12.c: New.
6736         * gcc.dg/graphite/scop-13.c: New.
6737
6738 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6739
6740         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6741         we have too many colors.
6742
6743 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6744
6745         * doc/invoke.texi (-ftree-loop-fusion): Document.
6746         * tree-pass.h (pass_loop_fusion): Declared.
6747         * tree-loop-fusion.c: New.
6748         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6749         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6750         * tree-data-ref.h (find_data_references_in_loop): Declared.
6751         * common.opt (ftree-loop-fusion): Declared.
6752         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6753
6754 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6755
6756         * graphite.c (build_access_matrix): Fix typo from the merge.
6757
6758 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6759
6760         * Merge from mainline (130800:135673).
6761
6762 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6763
6764         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6765         Update dominators after splitting.
6766
6767 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6768
6769         * graphite.c (is_bb_addable): Return the harmful statement.
6770         Factor up some code.
6771         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6772         (build_scops_1): Call end_scop.
6773
6774 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6775
6776         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6777         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6778         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6779         build_scops_1): Removed.
6780         (build_scops_2): Renamed build_scops_1.
6781
6782 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6783
6784         * graphite.c: Fix formatting.
6785
6786 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6787
6788         * graphite.c (get_bb_type): New.
6789         (move_scops): New.
6790         (build_scops_2): New.
6791         (is_bb_addable): New.
6792         (build_scops): Switch the scop detection.
6793         (build_scop_bbs): Add entry bb to scop.
6794         * graphite.h (struct scop): Update comment.
6795
6796 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6797
6798         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6799         more colors.
6800
6801 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6802
6803         * gcc.dg/graphite/scop-1.c: Update.
6804         * gcc.dg/graphite/scop-2.c: Update.
6805         * gcc.dg/graphite/scop-4.c: Update.
6806         * gcc.dg/graphite/scop-5.c: Add.
6807         * gcc.dg/graphite/scop-6.c: Add.
6808
6809 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6810
6811         * gcc.dg/graphite/scop-0.c: Add.
6812         * gcc.dg/graphite/scop-7.c: Add.
6813         * gcc.dg/graphite/scop-8.c: Add.
6814         * gcc.dg/graphite/scop-9.c: Add.
6815         * gcc.dg/graphite/scop-10.c: Add.
6816
6817 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6818
6819         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6820         Check affine expressions depending on the outermost loop
6821         instead of a scop.
6822         (stmt_simple_for_scop_p): Same.
6823         (harmfule_stmt_in_scop): Same.
6824
6825 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6826
6827         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6828         mark entry and exit, that are not part of the SCoP and update HTML
6829         formatting.
6830
6831 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6832
6833         * graphite.c (basic_block_simple_for_scop_p): Renamed
6834         harmful_stmt_in_bb.
6835         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6836         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6837         (all_preds_visited_p, all_succs_visited_p,
6838         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6839         scop_end_loop): New.
6840         (build_scops): Do not use dfs_enumerate_from.
6841
6842         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6843
6844 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6845
6846         * graphite.c: Add comments to functions that are missing a
6847         description.
6848         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6849
6850 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6851
6852         * graphite.c (nb_params_in_scop): Moved...
6853         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6854         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6855         (clast_to_gcc_expression): Reduce column size to less than 80.
6856         (graphite_create_iv): Return the new name of the IV.
6857         (find_transform): Set options->esp and options->cpp.
6858         (gloog): Comment out the invalidation of the old loop code.
6859         (initialize_dependence_polyhedron): Replace scop_nb_params with
6860         nb_params_in_scop.
6861
6862         * graphite.h (nb_params_in_scop): ... here.
6863         (scop_nb_params): Removed.
6864         (loop_domain_dim): Return something even when the loop was not
6865         found in the hash table: avoid ICEing on all the graphite.exp
6866         testcases.
6867
6868 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6869
6870         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6871
6872         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6873         according to nesting level.
6874         (find_scop_parameters): Call instantiate_parameters.
6875         (scan_tree_for_params): Extend it to handle general affine bounds.
6876         Inner loop bound can depend on outer loop induction variable.
6877         (setup_cloog_loop): tmp variable is allocated on stack. Call
6878         instantiate_parameters with respect to outermost_loop_in_scop.
6879         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6880         graphite.h.
6881         (create_empty_loop): Function loopify should be given edge
6882         probability, instead of edge frequency. Dominance relation from
6883         switch_bb to loop_header.
6884         (clast_to_gcc_expression): Added handling of clast_reduction node.
6885         (gloog): New functionality for removing old loop.
6886         (test_dependence): Factored out from build_rdg_all_levels.
6887         (build_rdg_all_levels): Dependence testing factored out to
6888         test_dependence function.
6889
6890         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6891         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6892         from graphite.c
6893
6894 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6895
6896         * graphite.c (free_scop, param_index, initialize_cloog_names,
6897         nb_params_in_scop): Use name_tree map instead of just a tree
6898         for keeping track of the variable name associated to that tree.
6899         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6900         clast_to_gcc_expression, graphite_create_iv,
6901         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6902         graphite_stmt_to_gcc_stmt): New.
6903         (gloog): Call these.
6904         * graphite.h (struct name_tree): New.
6905         (struct scop): Use name_tree instead of tree for params.
6906         Store a vector of name_tree for new_ivs.
6907         (SCOP_NEWIVS): New.
6908         (scop_nb_params): Use name_tree instead of tree.
6909
6910 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6911             Sebastian Pop  <sebastian.pop@amd.com>
6912
6913         * tree-bounds.c: New.
6914         * tree-bounds.h: New.
6915         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6916         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6917         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6918         flag_mudflap.
6919         * gcc.c: Same.
6920         * toplev.c: Same.
6921         * c-cppbuiltin.c: Same.
6922         * c-pragma.c: Same.
6923         * common.opt: Same.
6924         * varasm.c: Same.
6925         * tree-outof-ssa.c: Same.
6926         * c-common.c: Same.
6927         * Makefile.in: Same.
6928
6929 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6930             Sebastian Pop  <sebastian.pop@amd.com>
6931
6932         * tree-loop-distribution.c (remaining_stmts,
6933         upstream_mem_writes): Removed static variables.
6934         (copy_loop_before, create_bb_after_loop,
6935         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6936         rdg_build_components, rdg_build_partitions,
6937         dump_rdg_partitions): Extern.
6938         (generate_loops_for_partition, generate_code_for_partition): Do not
6939         return a bool.
6940         (already_processed_vertex_p, predecessor_has_mem_write,
6941         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6942         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6943         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6944         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6945         Pass remaining_stmts and upstream_mem_writes as parameters.
6946         (rdg_component): Moved...
6947         (build_rdg_partition_for_component): Do not aggregate components when
6948         flag_streamize_loops is set.
6949         (gen_sequential_loops): New.
6950         (ldist_gen): Call gen_sequential_loops.
6951
6952         * tree-pass.h (pass_loop_streamization): Declared.
6953
6954         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6955         basic blocks when loops structures exist.
6956
6957         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6958
6959         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6960
6961         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6962         eliminate_local_variables_stmt, eliminate_local_variables,
6963         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6964         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6965         of code delimited by two edges in the CFG.
6966         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6967         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6968         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6969         the case of parallelisation of reductions.
6970         (create_loop_fn): Extern.
6971         (create_omp_parallel_region): New.
6972
6973         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6974         dump_data_reference for printing dra and drb.
6975         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6976         RDGE_RELATION.
6977         (build_rdg): Don't call free_dependence_relations for the moment, as
6978         we attach dependence relations on each edge of the RDG.
6979         To be fixed later.
6980
6981         * tree-data-ref.h (rdg_component): ...here.
6982         (struct rdg_edge): New field ddr_p relation.
6983         (RDGE_RELATION): New.
6984         (create_bb_after_loop, copy_loop_before,
6985         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6986         rdg_build_partitions, dump_rdg_partitions,
6987         free_rdg_components): Declared.
6988
6989         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6990         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6991
6992         * tree-loop-streamization.c: New.
6993
6994         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6995         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6996
6997         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6998
6999         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7000
7001         * passes.c: Schedule pass_loop_streamization.
7002
7003 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7004
7005         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7006         update comment.
7007
7008 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7009
7010         * graphite.c (dot_all_scops): Update formatting.
7011         Bbs can now be part of more than one SCoP.
7012
7013 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7014
7015         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7016         malloc problems.
7017         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7018         * graphite.h (loop_to_cloog_loop): New.
7019
7020 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7021
7022         * graphite.c (loop_domain_dim, ref_nb_loops,
7023         loop_iteration_vector_dim): New.
7024         (build_access_matrix_with_af, build_access_matrix,
7025         initialize_dependence_polyhedron): Fixed for new matrix layout.
7026         No longer assume that all iteration domains are of the same
7027         dimensionality.
7028
7029 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7030
7031         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7032         defined in a loop at depth 0 is invariant.
7033         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7034         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7035         be called at loop depth 0.
7036
7037         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7038         a parameter.
7039         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7040         (down_open_scop): Removed.
7041         (loop_in_scop_p): Redefined.
7042         (scop_affine_expr): New argument: scop.
7043         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7044         a harmful statement ending a scop.
7045         (basic_block_simple_for_scop_p): New argument: scop.
7046         (get_loop_start): Removed.
7047         (new_scop): Initialize SCOP_LOOPS.
7048         (free_scop): Free SCOP_LOOPS.
7049         (succs_at_same_depth, preds_at_same_depth): New.
7050         (end_scop): Test the validity of a scop.
7051         (add_dominators_to_open_scops): New.
7052         (test_for_scop_bound): Call add_dominators_to_open_scops.
7053         Add cases for opening and closing multiple scops.
7054         (build_scops, build_scop_bbs): Iterate over basic blocks in
7055         depth first order.
7056         (build_graphite_bb): Pass scop directly.
7057         (dfs_bb_in_scop_p): New.
7058         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7059         several times.
7060         (nb_loops_around_gb): Use loop_in_scop_p.
7061         (schedule_to_scattering): Disabled for the moment the code computing
7062         the "textual order for outer loop".
7063
7064         * graphite.h (struct scop): New field loops.
7065         (SCOP_LOOPS): New.
7066         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7067
7068         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7069
7070 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7071             Sebastian Pop  <sebastian.pop@amd.com>
7072
7073         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7074         * common.opt (fstreamize-loops): New.
7075         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7076         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7077         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7078         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7079
7080 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7081
7082         * tree-data-ref.c (build_empty_rdg): New.
7083         (build_rdg): Use it.
7084         * tree-data-ref.h (build_empty_rdg): Declared.
7085         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7086         (find_vertex_for_stmt): Removed.
7087         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7088
7089 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7090
7091         * tree-loop-distribution.c (generate_builtin): After cancelling the
7092         loop tree, also delete basic blocks.
7093         (rdg_flag_uses): Stop recursion when a vertex has already been
7094         processed.
7095
7096 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7097
7098         * graphite.c (build_scop_alpha): Removed.
7099         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7100         and dump_dependence_graph to avoid compiler warnings.
7101
7102 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7103
7104         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7105         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7106         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7107         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7108         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7109         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7110         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7111         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7112         dump_dependence_graph): New.
7113         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7114         (GBB_ALPHA): New.
7115         (struct scop): New field loop2cloog_loop.
7116         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7117         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7118
7119 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7120
7121         * graphite.c (build_graphite_bb): Fix initialization
7122         of the graphite basic block.
7123
7124 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7125
7126         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7127         loop domain matrix.  Pass in the number of loops contained in the
7128         constraint matrix.
7129         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7130         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7131         loops that are not surrounding the current loop are not represented
7132         in the domain constraint matrix.
7133         (build_scop_iteration_domain): Initial domain constraint matrix
7134         contains only the eq/ineq, cst, and scop parameters columns.
7135
7136 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7137
7138         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7139         (print_graphite_bb): Print scattering.
7140
7141 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7142
7143         * graphite.c (initialize_cloog_names): Initialize names of
7144         scattering variables.
7145
7146 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7147
7148         * graphite.c (dot_all_scops_1): Disable debug output while
7149         printing graph.
7150
7151 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7152
7153         * graphite.c (find_transform): Change cloog output language to C.
7154
7155 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7156
7157         * tree-loop-distribution.c (generate_memset_zero,
7158         generate_builtin, generate_code_for_partition,
7159         rdg_flag_all_uses): New.
7160         (rdg_flag_uses): Gather in the same partition the statements defining
7161         the VUSES of the current statement.
7162         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7163         Gather in the same partition not only the stores to the same memory
7164         access, but also the reads.
7165         (ldist_generate_loops): Renamed ldist_gen.
7166
7167 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7168             Tobias Grosser  <grosser@fmi.uni-passau.de>
7169
7170         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7171         next pointer, don't use the inner pointer.
7172
7173 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7174
7175         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7176         (find_transform): Call dot_all_1.
7177         * graphite.h (dot_all_scops): Declared.
7178
7179 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7180
7181         * tree-loop-distribution.c: Fix apsi.f ICE.
7182         (create_bb_after_loop): New.
7183         (generate_loops_for_partition): Use it.
7184         * gfortran.dg/ldist-1.f90: New.
7185
7186         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7187         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7188
7189 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7190
7191         * graphite.c (find_transform): Dump cloog program sent to cloog.
7192
7193 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7194
7195         * graphite.c (initialize_cloog_names): Initialize cloog
7196         iterator names.
7197
7198 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7199
7200         * graphite.c (build_scop_context): Fix typo, for the matrix
7201         format: insert '0 >= 0' instead of '-1 >= 0'.
7202
7203 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7204
7205         * Fix merge problems.
7206
7207 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7208
7209         * graphite.c (setup_cloog_loop): Fix typo.
7210
7211 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7212
7213         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7214         * tree-loop-distribution.c: Reimplemented.
7215         * tree-pass.h (pass_loop_distribution): New.
7216         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7217         print_loops.
7218         * graphds.h (struct graph): New field indexes.
7219         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7220
7221         * tree-vect-analyze.c: Remove declaration of static functions when not
7222         needed.
7223         * tree-vectorizer.c: Same.
7224         (rename_variables_in_loop): Now extern.
7225         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7226         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7227         calling redirect_edge_and_branch_force.
7228
7229         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7230
7231         * tree-data-ref.c: Don't include tree-chrec.h.
7232         (debug_data_dependence_relations): New.
7233         (dump_data_dependence_relation): Call dump_data_reference on data refs
7234         in the relation.
7235         (same_access_functions): Moved...
7236         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7237         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7238         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7239         struct rdg_vertex_info, ): New.
7240         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7241         at DDR_REVERSED_P.
7242         (create_rdg_vertices): Initialize the htab of graph->indexes.
7243         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7244         (stmts_from_loop): Don't save LABEL_EXPR.
7245         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7246         hash_stmt_vertex_del): New.
7247         (build_rdg): Initialize rdg->indexes.
7248         (free_rdg, stores_from_loop, ref_base_address,
7249         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7250         have_similar_memory_accesses_1, ref_base_address_1,
7251         remove_similar_memory_refs): New.
7252
7253         * tree-data-ref.h: Include tree-chrec.h.
7254         (debug_data_dependence_relations): Declared.
7255         (same_access_functions): ...here.  Now static inline.
7256         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7257         ddr_dependence_level): New.
7258         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7259         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7260         RDG_MEM_READS_STMT): New.
7261         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7262         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7263         rdg_vertex_for_stmt): Declared.
7264         (struct rdg_edge): New field level.
7265         (RDGE_LEVEL, free_rdg): New.
7266         (stores_from_loop, remove_similar_memory_refs,
7267         rdg_defs_used_in_other_loops_p,
7268         have_similar_memory_accesses): Declared.
7269         (rdg_has_similar_memory_accesses): New.
7270
7271         * lambda.h (dependence_level): New.
7272         * common.opt (ftree-loop-distribution): New.
7273         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7274         (print_loop_ir): Renamed print_loops.
7275         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7276         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7277         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7278         (tree-loop-distribution.o): Added.
7279         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7280         (mark_virtual_ops_in_bb): New.
7281         (print_loops_bb, debug_loop_num, debug_loop): New.
7282         * passes.c: Scheduled pass_loop_distribution.
7283
7284 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7285
7286         * graphite.c (scan_tree_for_params): Correct the number of columns
7287         for polylib format.
7288         (nb_flat_iterator): New.
7289         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7290         (build_scop_iteration_domain): Correct the number of columns for
7291         polylib format.
7292
7293 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7294
7295         * Merge from mainline (129697:130800).
7296
7297 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7298
7299         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7300         dominated by SCoP's exit.
7301         (graphite_transform_loops): Compute post dominators.
7302
7303 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7304
7305         * Merge from mainline (127169:129697).
7306
7307 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7308
7309         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7310         parameter for the basic block that contains the expression.  Use
7311         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7312         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7313         the expression.
7314         * graphite.h (gbb_loop): New.
7315         (GBB_LOOP): Removed.
7316
7317 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7318
7319         * Makefile.in: Fix merge problem.
7320
7321 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7322
7323         * Merge from mainline (125309:127169).
7324         * tree-loop-distribution.c: Disabled.
7325
7326 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7327
7328         * Merge from mainline (r123693:125309).
7329
7330 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7331
7332         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7333         correct_modify_p
7334         (correct_modify_p, check_statements, number_of_lvalue_uses,
7335         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7336         instead of MODIFY_EXPR.
7337         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7338         and push new edges.
7339
7340 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7341
7342         * tree-loop-distribution.c (struct rdg): Replace arrays by
7343         VECs for edges and vertices.
7344         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7345         (RDGV_NB_PARTITIONS): New.
7346         (PRDG_NBV, PRDG_NBE): Removed.
7347         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7348         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7349         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7350
7351 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7352             Sebastian Pop  <sebpop@gmail.com>
7353
7354         * doc/invoke.texi (-ftree-loop-distribution): Document.
7355         * tree-loop-distribution.c: New file.
7356         * tree-pass.h (pass_loop_distribution): Declared.
7357         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7358         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7359         and set reversed_p.
7360         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7361         (DDR_REVERSED_P): New.
7362         * common.opt (-ftree-loop-distribution): New.
7363         * tree-flow.h (distribute_loops): Declared.
7364         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7365         * passes.c (init_optimization_passes): Schedule loop distribution.
7366
7367 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7368
7369         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7370         (print_scop): Don't print when scop is NULL.
7371         (build_scop_context, find_transform): Don't output to stderr.
7372
7373 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7374
7375         * tree-data-ref.c: Don't include graphite.h.
7376         Comment out the code for printing data reference's scop.
7377         (build_access_matrix_with_af): Moved...
7378         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7379         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7380         (print_graphite_bb): Print basic block's schedule.
7381         (print_scop): Don't print the schedule, call cloog's pretty printer.
7382         (bb_in_scop_p): A basic block is in a scop only if it is both
7383         dominated and postdominated by the scop's entry and exit basic blocks.
7384         (function_parameter_p): New.
7385         (invariant_in_scop_p): Use function_parameter_p.
7386         (new_scop, save_scop): New.
7387         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7388         save_scop.
7389         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7390         (loop_in_scop_p): New.
7391         (scop_record_loop): Use loop_in_scop_p.
7392         (build_scop_domain): Renamed build_scop_iteration_domain.
7393         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7394         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7395         setup_cloog_loop, dot_scop_1, dot_scop): New.
7396         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7397         (struct scop): Add a pointer to cloog's representation of a program.
7398
7399 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7400
7401         * doc/invoke.texi (-ftree-check-verbose): Renamed
7402         -ftree-checks-verbose.
7403         * common.opt (flag_tree_check_verbose): Renamed
7404         flag_tree_checks_verbose.
7405         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7406
7407 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7408
7409         * configure: Regenerated.
7410         * config.in: Regenerated.
7411         * tree-ssa-loop.c (graphite_transforms): Execute
7412         graphite_transform_loops only when HAVE_cloog.
7413         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7414         * graphite.c: Include polylibgmp.h and cloog.h.
7415         (graphite_transform_loops): Removed loops parameter.
7416         * tree-flow.h (graphite_transform_loops): Update declaration.
7417         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7418         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7419         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7420         (OBJS-common): Remove dependence on graphite.o.
7421         (BACKEND): Depend on @GRAPHITE@.
7422
7423 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7424
7425         * doc/invoke.texi (-ftree-check-verbose): Documented.
7426         * gcc.dg/tree-checker/tree-checks-1.c: New.
7427         * gcc.dg/tree-checker/tree-checks-2.c: New.
7428         * gcc.dg/tree-checker/tree-checks-3.c: New.
7429         * gcc.dg/tree-checker/tree-checks-4.c: New.
7430         * gcc.dg/tree-checker/tree-checks.exp: New.
7431         * gcc.dg/tree-checker/condates.crp: New.
7432         * common.opt (ftree-checks-verbose): New.
7433         * tree-check.c (tree_check_warning): Move extra stderr output
7434         under control of flag_tree_check_verbose.
7435
7436 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7437
7438         * tree-match.c: Fix comments formatting.
7439         * tree-match.h: Fix comments formatting.
7440         * tree-check.c: Fix comments formatting.
7441         (tree_check_init): Restructure.
7442
7443 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7444
7445         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7446
7447 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7448
7449         * Merge from mainline (r120733:123693).
7450
7451 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7452
7453         * condate.y: New file.
7454         * tree-match.h (struct patt_info_s): New field sign.
7455         (struct condate_s): New field msg.
7456         (normalize_condate, name_condate, add_condate): New.
7457         (conds[], condate_parse): Made extern.
7458         * tree-check.c (tree_check_warning): First arg changed to cond;
7459         warning reformatted.
7460         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7461         (tree_scan): New.
7462         (tree_check): Process trivial condates.
7463         (read_delimited_string): Removed.
7464         (print_cond): Print name and msg.
7465         (conds[]): Made extern.
7466         (parse_tree_check_file_once): Rewritten to use the parser in
7467         condate.y.
7468         Processing of option --tree_check_string moved to tree_scan().
7469         * Makefile.in: Added condate.y
7470
7471 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7472
7473         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7474         Use VECs instead of varrays.
7475         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7476         * Makefile.in (pretty-print.o): Depend on vec.h.
7477         * pretty-print.c: Include tree.h and vec.h.
7478         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7479         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7480         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7481         pp_free_list): Use VECs instead of varrays.
7482         * pretty-print.h: Do not include varray.h.
7483         (struct tree_chunk_s): Declaration moved before its use.
7484         (output_buffer): Rename varray field to chunks.
7485         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7486         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7487         save_global_holes): Use VECs instead of varrays.
7488         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7489         * tree-check.c (scan_cfg_stmts, push_node,
7490         print_matching_stmt): Removed.
7491         (tree_check_instance, push_global_holes_if_new, tree_check,
7492         execute_tree_check): Use VECs instead of varrays.
7493         (gate_tree_check): Don't execute the CFG check when basic_block_info
7494         is not available.
7495
7496 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7497
7498         * Merge from mainline (r115016:120733).
7499
7500 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7501
7502         * Merge from mainline (r117632:117661).
7503
7504 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7505
7506         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7507         * tree-pass.h (TDF_DEBUG, debug_p): New.
7508         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7509         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7510         get_loop_exit_condition, analyze_evolution_in_loop,
7511         analyze_initial_condition, analyze_scalar_evolution,
7512         instantiate_parameters, number_of_latch_executions): Use debug_p.
7513         * tree-chrec.c (chrec_apply): Use debug_p.
7514         * tree-data-ref.c: Include graphite.h.
7515         (dump_data_reference): Print also the access matrix.
7516         (analyze_array, analyze_indirect_ref, init_data_ref,
7517         analyze_offset_expr, address_analysis, object_analysis,
7518         create_data_ref, finalize_ddr_dependent,
7519         non_affine_dependence_relation, analyze_ziv_subscript,
7520         analyze_siv_subscript_cst_affine,
7521         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7522         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7523         analyze_miv_subscript, analyze_overlapping_iterations,
7524         build_classic_dist_vector, subscript_dependence_tester,
7525         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7526         (build_access_matrix_with_af): No longer static.
7527         * tree-data-ref.h (scop_p): ... declaration here.
7528         (data_reference.scop): New field.
7529         (DR_SCOP, DR_ACCESS_MATRIX): New.
7530         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7531         * graphite.c (print_graphite_bb): Call dump_data_references.
7532         (print_scop): Use scop_nb_loops and scop_dim_domain.
7533         (test_for_scop_bound): Use debug_p.
7534         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7535         scop_nb_params.
7536         (scop_loop_index): Moved...
7537         (scop_record_loop): New.
7538         (build_scop_loop_nests): Use scop_record_loop.
7539         (build_scop_domain): Use scop_dim_domain.
7540         (build_access_matrix): Implemented.
7541         (build_scop_canonical_schedules): Use scop_nb_loops.
7542         (build_graphite_bb): Initialize GBB_SCOP.
7543         * graphite.h (scop_p): Moved...
7544         (graphite_bb.scop): New field.
7545         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7546         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7547         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7548         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7549         scop_loop_index): New.
7550         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7551
7552 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7553
7554         * Merge from mainline (r117661:120450).
7555
7556 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7557
7558         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7559         at the first declaration outside the varying loop, instantiate as
7560         far as possible.
7561         * tree-chrec.c (for_each_scev_op): New.
7562         * tree-chrec.h (for_each_scev_op): Declared.
7563         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7564         * tree-data-ref.c (get_references_in_stmt,
7565         find_data_references_in_stmt): New, from trunk.
7566         (find_data_references_in_loop): Use get_references_in_stmt
7567         and find_data_references_in_loop, modified as in trunk.
7568         (build_access_matrix_with_af): New.
7569         * tree-data-ref.h (data_reference): Add a field access_matrix.
7570         (data_ref_loc): New, as in trunk.
7571         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7572         invariant_in_scop_p, param_index, scan_tree_for_params,
7573         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7574         idx_record_param, idx_record_params, build_access_matrix,
7575         build_scop_data_accesses, build_scop_canonical_schedules,
7576         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7577         build_scop_params): New.
7578         * graphite.h (graphite_bb): New.
7579         (scop): Add fields static_schedule, params, loop_nest,
7580         iteration_domain.
7581         * lambda.h: Declare vecs of lambda_matrix.
7582         * tree-flow.h (print_loop_ir_bb): Declared.
7583         * tree-cfg.c (print_loop_ir_bb): New.
7584         (print_loop): Use print_loop_ir_bb.
7585
7586 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7587
7588         * Merge from mainline (r115016:117632).
7589
7590 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7591
7592         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7593         break due to a warning.
7594
7595 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7596
7597         * graphite.c (print_scops, debug_scops): New.
7598         (graphite_transform): Renamed graphite_find_transform.
7599         * graphite.h (debug_scops): Declared.
7600
7601 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7602
7603         * tree-match.c: Reformat following the GNU style.
7604         * tree-match.h: Reformat following the GNU style.
7605         * tree-pattern.h: Removed empty file.
7606         * Makefile.in: Remove references to tree-pattern.h.
7607         * tree-check.c: Reformat following the GNU style.
7608         (execute_tree_check): Move gate condition code to...
7609         (gate_tree_check): ...here.  New function.
7610         (pass_check): Use the gate function.
7611
7612 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7613
7614         * tree-pattern.h: New. Tree pattern matching and checking using
7615         concrete syntax.
7616         * tree-check.c: New. Tree/CFG checking pass.
7617         * tree-match.c: New. Library for tree pattern matching.
7618         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7619         * toplev.c, flags.h: Add globals for tree-check pass.
7620         * Makefile.in: Integrate the files in tree-check pass.
7621         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7622         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7623         Introduce a "lazy" pretty-print mode.
7624         * tree.c, tree.h: Add tree_name.
7625
7626 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7627
7628         * doc/invoke.texi (-fgraphite): Correct typo.
7629         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7630         use of print_loop_ir.
7631         * gcc.dg/graphite/scop-1.c: New.
7632         * gcc.dg/graphite/scop-2.c: New.
7633         * gcc.dg/graphite/graphite.exp: New.
7634         * graphite.c: Include domwalk.h.
7635         (print_scop): Print only the entry and exit blocks.
7636         (debug_scop): No longer static.
7637         (affine_expr): Fix formating.  Return also true when the expression is
7638         constant.
7639         (stmt_simple_for_scop_p): Fix formating.
7640         (build_scops): Use domwalk.
7641         (get_loop_start, end_scop, test_for_scop_bound): New.
7642         (graphite_transform_loops): Avoid printing on stderr.
7643         * graphite.h (debug_scop): Declared.
7644         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7645         * Makefile.in (graphite.o): Depend on domwalk.h.
7646         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7647         declarations for static functions.
7648         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7649         controlling output verbosity.
7650
7651 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7652             Plesco Alexandru  <shurikx@gmail.com>
7653
7654         * doc/invoke.texi (-fgraphite): Document.
7655         * tree-pass.h (pass_graphite_transforms): Declared.
7656         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7657         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7658         (pass_graphite_transforms): Defined.
7659         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7660         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7661         * graphite.c, graphite.h: New.
7662         * common.opt (fgraphite): Declared.
7663         * tree-flow.h (graphite_transform_loops): Declared.
7664         * Makefile.in (OBJS-common): Add graphite.o.
7665         (graphite.o): New rule.
7666         * passes.c (pass_graphite_transforms): Scheduled.
7667