gcc/ChangeLog.graphite

   1 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * gcc.dg/graphite/run-id-2.c: Call abort.
   4
   5 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
   6
   7         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
   8         of SSA copies on edges except for loop->latch.
   9
  10 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
  13         Split out of rewrite_reductions_out_of_ssa.
  14         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
  15         Declared.
  16         * graphite.c (graphite_transform_loops): Call it.
  17
  18 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
  19
  20         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
  21
  22 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
  23
  24         * passes.c (init_optimization_passes): Add pass_graphite.
  25         Schedule a pass_copy_prop before pass_graphite_transforms.
  26         * timevar.def (TV_GRAPHITE): Declared.
  27         * tree-pass.h (pass_graphite): Declared.
  28         * tree-ssa-loop.c (pass_graphite): New.
  29
  30         * gcc.dg/graphite/id-20.c: New.
  31
  32 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
  35         Remove calls to rename_nb_iterations and rename_sese_parameters.
  36         * graphite-clast-to-gimple.h (gloog): Update declaration.
  37         * graphite.c (graphite_transform_loops): Update call to gloog.
  38         * sese.c (rename_variables_in_expr): Removed.
  39         (rename_nb_iterations): Removed.
  40         (rename_sese_parameters): Removed.
  41         * sese.h (rename_nb_iterations): Removed.
  42         (rename_sese_parameters): Removed.
  43
  44 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  45
  46         * graphite-clast-to-gimple.c (gloog): Remove call to
  47         sese_adjust_liveout_phis.
  48         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
  49         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
  50         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
  51         rewrite_phi_out_of_ssa.
  52         * sese.c (get_vdef_before_sese): Removed.
  53         (sese_adjust_vphi): Removed.
  54         (sese_adjust_liveout_phis): Removed.
  55         * sese.h (sese_adjust_liveout_phis): Removed.
  56
  57 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  58
  59         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
  60         argument for the place after which to insert the out of SSA copy.
  61         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
  62         (rewrite_phi_out_of_ssa): Same.
  63         (rewrite_cross_bb_scalar_deps): Same.
  64         (insert_copyout): Removed.
  65         (insert_copyin): Removed.
  66         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
  67         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
  68         insert_copyin.
  69
  70 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
  73         (rewrite_reductions_out_of_ssa): Same.
  74         (rewrite_commutative_reductions_out_of_ssa): Same.
  75         (build_poly_scop): Do not call these functions.
  76         * graphite-sese-to-poly.h (build_poly_scop): Declared.
  77         (rewrite_reductions_out_of_ssa): Declared.
  78         (rewrite_commutative_reductions_out_of_ssa): Declared.
  79         * graphite.c (graphite_transform_loops): Call on every scop
  80         rewrite_commutative_reductions_out_of_ssa before calling
  81         rewrite_reductions_out_of_ssa and build_scop_bbs.
  82
  83 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * graphite-dependences.c (dot_deps): Make system call to dotty run
  86         in background.
  87         (dot_deps_stmt): Same.
  88         * graphite-poly.c (dot_lst): Same.
  89
  90 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
  93         old_type in parameter.
  94         (gcc_type_for_value): Update call to gcc_type_for_interval.
  95         (compute_type_for_level_1): Renamed compute_type_for_level.
  96         Update call to gcc_type_for_interval.
  97
  98 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
  99
 100         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 101         the scev analysis when the variable is not used outside the loop
 102         in a close phi node: call compute_overall_effect_of_inner_loop.
 103
 104 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 105
 106         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 107         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 108         (build_sese_conditions_before): Renamed call to single_pred_cond.
 109         (build_sese_conditions_after): Same.
 110
 111 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 112
 113         * graphite-poly.h: Fix comments and indentation.
 114         * graphite-sese-to-poly.c: Same.
 115         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 116         * tree-chrec.c: Fix comments and indentation.
 117         (tree-ssa-loop-niter.c): Same.
 118
 119 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 120
 121         * refined-regions.c (create_region): Only initialize the region.
 122         (find_regions_with_entry): Initialize parent relation and bbmap
 123         correctly.
 124         (build_regions_tree): Set outermost_region to region instead of
 125         topmost_region.
 126         (calculate_region_tree): Remove unneeded parameters.
 127
 128 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 129
 130         * graphite-scop-detection.c (is_scop_p): New.
 131         (build_scops_new): New. A skeleton for the new scop detection.
 132         (build_scops_old): Renamed from build_scops.
 133         (build_scops): New version. Call the new and the old scop
 134         detection.
 135
 136 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 137             Antoniu Pop  <antoniu.pop@gmail.com>
 138
 139         * Makefile.in (OBJS-common): Add refined-regions.o.
 140         (refined-regions.o): New.
 141         (graphite-scop-detection.o): Use refined-regions.h.
 142         * graphite-scop-detection.c: Include refined-regions.h
 143         (build_scops): Also build the refined region tree.
 144         * refined-regions.c: New. Adds an algorithm to detect refined
 145         regions.
 146         (print_refined_region): New.
 147         (debug_refined_region): New.
 148         (refined_region_contains_bb_p): New.
 149         (refined_region_contains_region_p): New.
 150         (is_common_df): New.
 151         (struct find_regions_global_data): New.
 152         (is_region): New.
 153         (typedef struct bb_bb_def): New.
 154         (new_bb_bb_def): New.
 155         (bb_bb_map_hash): New.
 156         (eq_bb_bb_map): New.
 157         (find_new_bb): New.
 158         (bb_reg_def): New.
 159         (new_bb_reg_def): New.
 160         (bb_reg_map_hash): New.
 161         (eq_bb_reg_map): New.
 162         (find_new_region): New.
 163         (insert_new_reg): New.
 164         (insert_new_bb): New.
 165         (insert_shortcut): New.
 166         (get_next_postdom): New.
 167         (create_region): New.
 168         (find_regions_with_entry): New.
 169         (find_regions_adc): New.
 170         (find_regions): New.
 171         (get_topmost_parent): New.
 172         (build_regions_tree): New.
 173         (calculate_region_tree): New.
 174         (free_region_tree): New.
 175         * refined-regions.h: New.
 176         (struct refined_region): New.
 177         (calculate_region_tree): New.
 178         (free_region_tree): New.
 179         (refined_region_contains_bb_p): New.
 180         (refined_region_contains_region_p): New.
 181         (print_refined_region): New.
 182         (debug_refined_region): New.
 183
 184 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 187         size_one_node.
 188
 189 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 192         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 193
 194 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 195
 196         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 197         phi_arg_in_outermost_loop.
 198         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 199         (remove_invariant_phi): Same.
 200
 201 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 202
 203         * graphite-blocking.c
 204         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 205         * graphite-clast-to-gimple.c
 206         (clast_to_gcc_expression): Same.
 207         (precision_for_value): Same.
 208         (precision_for_interval): Same.
 209         (gcc_type_for_interval): Same.
 210         (graphite_create_new_guard): Same.
 211         (compute_bounds_for_level): Same.
 212         (graphite_create_new_loop_guard): Same.
 213         * graphite-interchange.c
 214         (build_linearized_memory_access): Same.
 215         (pdr_stride_in_loop): Same.
 216         (memory_strides_in_loop_1): Same.
 217         (memory_strides_in_loop): Same.
 218         (extend_scattering): Same.
 219         (psct_scattering_dim_for_loop_depth): Same.
 220         (pbb_number_of_iterations): Same.
 221         * graphite-poly.h
 222         (debug_iteration_domains): Same.
 223         * graphite-ppl.c
 224         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 225         (ppl_set_inhomogeneous_gmp): Same.
 226         (ppl_strip_loop): Same.
 227         (ppl_lexico_compare_linear_expressions): Same.
 228         (ppl_read_polyhedron_matrix): Same.
 229         (ppl_max_for_le_pointset): Same.
 230         * graphite-ppl.h
 231         (ppl_read_polyhedron_matrix): Same.
 232         (tree_int_to_gmp): Same.
 233         (gmp_cst_to_tree): Same.
 234         (ppl_set_inhomogeneous): Same.
 235         (ppl_set_inhomogeneous_tree): Same.
 236         (ppl_set_coef): Same.
 237         (ppl_set_coef_tree): Same.
 238         * graphite-sese-to-poly.c
 239         (build_pbb_scattering_polyhedrons): Same.
 240         (build_scop_scattering): Same.
 241         (scan_tree_for_params_right_scev): Same.
 242         (scan_tree_for_params): Same.
 243         (find_params_in_bb): Same.
 244         (find_scop_parameters): Same.
 245         (add_upper_bounds_from_estimated_nit): Same.
 246         (build_loop_iteration_domains): Same.
 247         (add_condition_to_domain): Same.
 248         (pdr_add_memory_accesses): Same.
 249
 250 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 251
 252         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 253         CLooG's value_* macros to their respective mpz_* counterparts.
 254         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 255         (graphite_create_new_loop_guard): Same.
 256         * graphite-interchange.c (build_linearized_memory_access): Same.
 257         (pdr_stride_in_loop): Same.
 258         (memory_strides_in_loop_1): Same.
 259         (1st_interchange_profitable_p): Same.
 260         * graphite-poly.c (extend_scattering): Same.
 261         (psct_scattering_dim_for_loop_depth): Same.
 262         (pbb_number_of_iterations): Same.
 263         (pbb_number_of_iterations_at_time): Same.
 264         * graphite-poly.h (new_1st_loop): Same.
 265         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 266         (oppose_constraint): Same.
 267         (insert_constraint_into_matrix): Same.
 268         (ppl_set_inhomogeneous_gmp): Same.
 269         (ppl_set_coef_gmp): Same.
 270         (ppl_strip_loop): Same.
 271         (ppl_lexico_compare_linear_expressions): Same.
 272         (ppl_max_for_le_pointset): Same.
 273         (ppl_min_for_le_pointset): Same.
 274         (ppl_build_realtion): Same.
 275         * graphite-ppl.h (gmp_cst_to_tree): Same.
 276         (ppl_set_inhomogeneous): Same.
 277         (ppl_set_inhomogeneous_tree): Same.
 278         (ppl_set_coef): Same.
 279         (ppl_set_coef_tree): Same.
 280         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 281         (build_scop_scattering): Same.
 282         (add_value_to_dim): Same.
 283         (scan_tree_for_params_right_scev): Same.
 284         (scan_tree_for_params_int): Same.
 285         (scan_tree_for_params): Same.
 286         (find_params_in_bb): Same.
 287         (find_scop_parameters): Same.
 288         (add_upper_bounds_from_estimated_nit): Same.
 289         (build_loop_iteration_domains): Same.
 290         (create_linear_expr_from_tree): Same.
 291         (add_condition_to_domain): Same.
 292         (pdr_add_memory_accesses): Same.
 293
 294 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         PR middle-end/43519
 297         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 298         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 299         When converting an unsigned type to signed, double its precision.
 300         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 301         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 302         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 303
 304 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 305
 306         PR middle-end/43519
 307         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 308         build_nonstandard_integer_type.
 309         (gcc_type_for_interval): Same.
 310
 311 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 312
 313         PR middle-end/43519
 314         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 315         POINTER_PLUS_EXPR for pointer types.
 316
 317         * gcc.dg/graphite/id-19.c: New.
 318
 319 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 320
 321         PR middle-end/43519
 322         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 323         * graphite-clast-to-gimple.c: Include langhooks.h.
 324         (max_signed_precision_type): New.
 325         (max_precision_type): Takes two types as arguments.
 326         (precision_for_value): New.
 327         (precision_for_interval): New.
 328         (gcc_type_for_interval): New.
 329         (gcc_type_for_value): New.
 330         (gcc_type_for_clast_term): New.
 331         (gcc_type_for_clast_red): New.
 332         (gcc_type_for_clast_bin): New.
 333         (gcc_type_for_clast_expr): Split up into several functions.
 334         (gcc_type_for_clast_eq): Rewritten.
 335         (compute_bounds_for_level): New.
 336         (compute_type_for_level_1): New.
 337         (compute_type_for_level): New.
 338         (gcc_type_for_cloog_iv): Removed.
 339         (gcc_type_for_iv_of_clast_loop): Rewritten.
 340         (graphite_create_new_loop): Compute the lower and upper bound types
 341         with gcc_type_for_clast_expr.
 342         (graphite_create_new_loop_guard): Same.
 343         (find_cloog_iv_in_expr): Removed.
 344         (compute_cloog_iv_types_1): Removed.
 345         (compute_cloog_iv_types): Removed.
 346         (gloog): Do not call compute_cloog_iv_types.
 347         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 348         GBB_CLOOG_IV_TYPES.
 349         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 350         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 351         (GBB_CLOOG_IV_TYPES): Removed.
 352
 353         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 354
 355 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 356
 357         Reverted this commit: as at this point the loop closed SSA form
 358         is under a canonical form respecting the single argument condition.
 359         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 360         close phi nodes may have more than one argument.
 361
 362 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 363
 364         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 365         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 366         (detect_commutative_reduction): Same.
 367
 368 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 369
 370         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 371         close phi nodes may have more than one argument.
 372
 373 2010-03-30  Richard Guenther  <rguenther@suse.de>
 374             Zdenek Dvorak  <ook@ucw.cz>
 375             Sebastian Pop  <sebastian.pop@amd.com>
 376
 377         PR middle-end/43464
 378         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
 379         with multiple arguments.
 380         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
 381
 382 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-dependences.c (print_pddr): Call print_pdr with an
 385         extra argument.
 386         * graphite-poly.c (debug_pdr): Add an extra argument for the
 387         verbosity level.
 388         (print_pdr): Same.
 389         (print_pbb_domain): Same.
 390         (print_pbb): Same.
 391         (print_scop_context): Same.
 392         (print_scop): Same.
 393         (print_cloog): Same.
 394         (debug_pbb_domain): Same.
 395         (debug_pbb): Same.
 396         (print_pdrs): Same.
 397         (debug_pdrs): Same.
 398         (debug_scop_context): Same.
 399         (debug_scop): Same.
 400         (debug_cloog): Same.
 401         (print_scop_params): Same.
 402         (debug_scop_params): Same.
 403         (print_iteration_domain): Same.
 404         (print_iteration_domains): Same.
 405         (debug_iteration_domain): Same.
 406         (debug_iteration_domains): Same.
 407         (print_scattering_function): Same.
 408         (print_scattering_functions): Same.
 409         (debug_scattering_function): Same.
 410         (debug_scattering_functions): Same.
 411         * graphite-poly.h (debug_pdr): Update declaration.
 412         (print_pdr): Same.
 413         (print_pbb_domain): Same.
 414         (print_pbb): Same.
 415         (print_scop_context): Same.
 416         (print_scop): Same.
 417         (print_cloog): Same.
 418         (debug_pbb_domain): Same.
 419         (debug_pbb): Same.
 420         (print_pdrs): Same.
 421         (debug_pdrs): Same.
 422         (debug_scop_context): Same.
 423         (debug_scop): Same.
 424         (debug_cloog): Same.
 425         (print_scop_params): Same.
 426         (debug_scop_params): Same.
 427         (print_iteration_domain): Same.
 428         (print_iteration_domains): Same.
 429         (debug_iteration_domain): Same.
 430         (debug_iteration_domains): Same.
 431         (print_scattering_function): Same.
 432         (print_scattering_functions): Same.
 433         (debug_scattering_function): Same.
 434         (debug_scattering_functions): Same.
 435
 436 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 437
 438         * graphite-poly.c (print_scattering_function_1): New.
 439         (print_scattering_function): Call it.
 440         (print_scop_params): Remove spaces at the end of lines.
 441         (print_cloog): New.
 442         (debug_cloog): New.
 443         * graphite-poly.h (print_cloog): Declared.
 444         (debug_cloog): Declared.
 445
 446 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 447
 448         * tree-ssa-copy.c: Revert this previous change:
 449         (init_copy_prop): Loop closed phi nodes cancontain more than one
 450         argument.
 451         (execute_copy_prop): Revert the previous change: do not call
 452         rewrite_into_loop_closed_ssa.
 453
 454 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 455             Richard Guenther  <rguenther@suse.de>
 456
 457         PR middle-end/43464
 458         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
 459         contain more than one argument.
 460         (execute_copy_prop): Revert the previous change: do not call
 461         rewrite_into_loop_closed_ssa.
 462
 463         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
 464         * gcc.dg/graphite/id-pr43464-1.c: New.
 465
 466 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         PR middle-end/43464
 469         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
 470         and verify_loop_closed_ssa when copy prop is executed in the LNO.
 471
 472         * gcc.dg/graphite/id-pr43464.c: New.
 473
 474 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 475
 476         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
 477         in loop->header.
 478         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
 479         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
 480         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 481         to switch between adding the IV bump in loop->latch or in loop->header.
 482
 483 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 484
 485         * passes.c (init_optimization_passes): Add pass_copy_prop
 486         after Graphite.
 487
 488 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 489
 490         * graphite-poly.c (print_scattering_function): Pretty print following
 491         the scoplib format.
 492         (print_pdr): Same.
 493         (print_pbb_domain): Same.
 494         (dump_gbb_cases): Same.
 495         (dump_gbb_conditions): Same.
 496         (print_pdrs): Same.
 497         (print_pbb): Same.
 498         (print_scop_params): Same.
 499         (print_scop_context): Same.
 500         (print_scop): Same.
 501         (print_pbb_body): New.
 502         (lst_indent_to): New.
 503         (print_lst): Start new lines with a #.
 504         * graphite-poly.h (pbb_bb): New.
 505         (pbb_index): Use pbb_bb.
 506         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 507         disjuncts.
 508         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 509
 510 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 511
 512         PR middle-end/43351
 513         * gcc.dg/graphite/id-pr43351.c
 514
 515 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         PR middle-end/43354
 518         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 519         call insert_out_of_ssa_copy for default definitions.
 520         * gfortran.dg/graphite/id-pr43354.f: New.
 521
 522 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         PR middle-end/43349
 525         * gfortran.dg/graphite/pr43349.f: New.
 526
 527 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 528
 529         * graphite-clast-to-gimple.c (my_long_long): Defined.
 530         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 531         * graphite-sese-to-poly.c (my_long_long): Defined.
 532         (scop_ivs_can_be_represented): Use it.
 533
 534 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 535
 536         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 537         graphite-max-bbs-per-function, and loop-block-tile-size.
 538         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 539         with "maximum".
 540         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 541
 542 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 543
 544         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 545         forward declaration.
 546         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 547         (add_upper_bounds_from_estimated_nit): New.
 548         (build_loop_iteration_domains): Use it.
 549
 550 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 553
 554 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 555
 556         PR middle-end/43306
 557         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 558         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 559         * gcc.dg/graphite/pr43306.c: New.
 560
 561 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite.c (graphite_initialize): To bound the number of bbs per
 564         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 565         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 566         * doc/invoke.texi: Document it.
 567
 568 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 569
 570         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 571         * graphite-sese-to-poly.h (build_poly_scop): Same.
 572
 573 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 576         the number of parameters in the scop.  Use as an upper bound
 577         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 578         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 579         * doc/invoke.texi: Document it.
 580
 581 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 582
 583         * graphite-sese-to-poly.c (add_param_constraints): Use
 584         lower_bound_in_type and upper_bound_in_type.
 585
 586 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 587
 588         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 589         instead of unsigned_type_node.
 590
 591 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 592             Reza Yazdani  <reza.yazdani@amd.com>
 593
 594         PR middle-end/43065
 595         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 596         on pointer type parameters.
 597
 598         * gcc.dg/graphite/run-id-4.c: New.
 599
 600 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 601
 602         PR middle-end/43065
 603         * gcc.dg/graphite/run-id-3.c: New.
 604
 605 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 606             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 607
 608         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 609         handle conversions from pointer to integers.
 610         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 611         induction variable, to be able to work with code generated by CLooG.
 612         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 613         (build_poly_scop): Bail out if we cannot codegen a loop.
 614
 615 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 616
 617         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 618         code generation with gloog_error.
 619
 620 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 621
 622         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 623         Call fold_convert on all the returned values.
 624         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 625         the type of the resulting expression.
 626
 627 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 630         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 631         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 632
 633 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * graphite-dependences.c (map_into_dep_poly): Removed.
 636         (dependence_polyhedron_1): Use combine_context_id_scat.
 637
 638 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 641         (struct poly_bb): Same.
 642         (combine_context_id_scat): New.
 643
 644 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         PR middle-end/42326
 647         * sese.c (name_defined_in_loop_p): Return false for default
 648         definitions.
 649
 650         * gcc.dg/graphite/pr42326.c: New.
 651
 652 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 653
 654         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 655         and clean up the logic.
 656
 657 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 658
 659         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 660         early return.
 661
 662 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 663
 664         PR middle-end/43083
 665         * graphite-scop-detection.c (create_single_exit_edge): Move
 666         the call to find_single_exit_edge to....
 667         (create_sese_edges): ...here.  Don't handle multiple edges
 668         exiting the function.
 669         (build_graphite_scops): Don't handle multiple edges
 670         exiting the function.
 671
 672         * gcc.dg/graphite/pr43083.c: New.
 673
 674 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 675
 676         PR middle-end/43097
 677         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 678         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 679
 680         * gfortran.dg/graphite/pr43097.f: New.
 681
 682 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 683             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 684
 685         PR middle-end/43140
 686         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 687
 688 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 689
 690         PR middle-end/43026
 691         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 692
 693         * g++.dg/graphite/pr43026.C: New.
 694
 695 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 696
 697         * Merge from mainline (154736:156693).
 698
 699 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 700
 701         PR middle-end/43012
 702         * gcc.dg/graphite/pr43012.c: New.
 703
 704 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 705
 706         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 707 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * g++.dg/graphite/pr42930.C: New.
 710
 711 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         PR middle-end/42930
 714         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 715         graphite_can_represent_init for MULT_EXPR.
 716
 717 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 718
 719         PR middle-end/42914
 720         PR middle-end/42530
 721         * graphite-sese-to-poly.c (remove_phi): New.
 722         (translate_scalar_reduction_to_array): Call remove_phi.
 723
 724         * gcc.dg/graphite/pr42530.c: New.
 725         * gcc.dg/graphite/pr42914.c: New.
 726
 727 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         PR middle-end/42771
 730         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 731         * graphite-clast-to-gimple.h (gloog): Update declaration.
 732         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 733         * graphite-poly.h (struct poly_bb): Add missing comments.
 734         (struct scop): Add poly_scop_p field.
 735         (POLY_SCOP_P): New.
 736         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 737         * graphite.c (graphite_transform_loops): Build the polyhedral
 738         representation for each scop before code generation.
 739         * sese.c (rename_variables_in_operand): Removed.
 740         (rename_variables_in_expr): Return the renamed expression.
 741         (rename_sese_parameters): New.
 742         * sese.h (rename_sese_parameters): Declared.
 743
 744         * gcc.dg/graphite/pr42771.c: New.
 745
 746 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 749         return 0 from main.
 750         * gcc.dg/graphite/block-1.c: Same.
 751         * gcc.dg/graphite/block-3.c: Same.
 752         * gcc.dg/graphite/block-4.c: Same.
 753         * gcc.dg/graphite/block-5.c: Same.
 754         * gcc.dg/graphite/block-6.c: Same.
 755         * gcc.dg/graphite/block-7.c: Same.
 756         * gcc.dg/graphite/interchange-0.c: Same.
 757         * gcc.dg/graphite/interchange-1.c: Same.
 758         * gcc.dg/graphite/interchange-10.c: Same.
 759         * gcc.dg/graphite/interchange-11.c: Same.
 760         * gcc.dg/graphite/interchange-12.c: Same.
 761         * gcc.dg/graphite/interchange-2.c: Same.
 762         * gcc.dg/graphite/interchange-3.c: Same.
 763         * gcc.dg/graphite/interchange-4.c: Same.
 764         * gcc.dg/graphite/interchange-5.c: Same.
 765         * gcc.dg/graphite/interchange-6.c: Same.
 766         * gcc.dg/graphite/interchange-7.c: Same.
 767         * gcc.dg/graphite/interchange-8.c: Same.
 768         * gcc.dg/graphite/interchange-9.c: Same.
 769         * gcc.dg/graphite/interchange-mvt.c: Same.
 770
 771 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 772
 773         * gfortran.dg/graphite/id-19.f: New.
 774         * gfortran.dg/graphite/pr14741.f90: New.
 775         * gfortran.dg/graphite/pr41924.f90: New.
 776         * gfortran.dg/graphite/run-id-2.f90: New.
 777
 778 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 779
 780         PR middle-end/42988
 781         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 782         to unknown_dependence.
 783         (graphite_legal_transform_dr): Handle the unknown_dependence.
 784         (graphite_carried_dependence_level_k): Same.
 785
 786 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 787
 788         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 789
 790 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 791             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 792
 793         PR middle-end/42637
 794         * graphite-dependences.c (build_lexicographical_constraint): Return
 795         a union of dependence polyhedra.
 796         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 797
 798         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 799         * gcc.dg/graphite/block-4.c: Same.
 800         * gcc.dg/graphite/block-7.c: Same.
 801         * gcc.dg/graphite/interchange-12.c: Same.
 802         * gcc.dg/graphite/interchange-mvt.c: Same.
 803         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 804         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 805         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 806
 807 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 808
 809         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 810         the execution check to FAIL.  This testcase is miscompiled by Graphite
 811         and the check should be re-enabled.
 812         * gcc.dg/graphite/interchange-mvt.c: Same.
 813         * gcc.dg/graphite/block-0.c: Same.
 814         * gcc.dg/graphite/block-4.c: Same.
 815         * gcc.dg/graphite/block-7.c: Same.
 816
 817 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 818
 819         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 820         * gcc.dg/graphite/scop-0.c: Fix spaces.
 821         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 822         * gfortran.dg/graphite/block-2.f: Same.
 823         * gfortran.dg/graphite/block-3.f90: Same.
 824         * gfortran.dg/graphite/block-4.f90: Same.
 825         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 826         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 827
 828 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 829
 830         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 831         PDDR_ORIGINAL_SCATTERING_P.
 832         (pddr_is_empty): Rewritten.
 833         (print_dependence_polyhedron_layout): New.
 834         (print_pddr): New.
 835         (debug_pddr): New.
 836         (build_alias_set_powerset): Moved up.
 837         (poly_drs_may_alias_p): Moved up.
 838         (lexicographically_gt_p): Removed.
 839         (build_lexicographically_gt_constraint): Renamed
 840         build_lexicographical_constraint, reimplemented.
 841         (dependence_polyhedron_1): Simplified parameters.
 842         (dependence_polyhedron): Same.  Keep along empty PDDRs
 843         to make efficient use of the cache.
 844         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 845         (graphite_legal_transform_dr): Rewritten.
 846         (graphite_legal_transform_bb): Pass fewer arguments to
 847         graphite_legal_transform_dr.
 848         (graphite_carried_dependence_level_k): Simplified implementation.
 849         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 850         (dot_transformed_deps_stmt_1): Same.
 851         (dot_original_deps): Same.
 852         (dot_transformed_deps): Same.
 853         * graphite-dependences.h (struct poly_ddr): Added a new field
 854         original_scattering_p.
 855         (PDDR_ORIGINAL_SCATTERING_P): New.
 856         (print_pddr): Declared.
 857         (debug_pddr): Declared.
 858         * graphite-ppl.c: Clarify comment.
 859         * sese.h (print_gimple_bb): Removed unused declaration.
 860         (debug_gbb): Same.
 861
 862 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 863
 864         * g++.dg/graphite/graphite.exp: Rewritten.
 865         * gcc.dg/graphite/graphite.exp: Rewritten.
 866         * gfortran.dg/graphite/graphite.exp: Rewritten.
 867         * gcc.dg/graphite/block-0.c: Added runtime test.
 868         * gcc.dg/graphite/block-1.c: Same.
 869         * gcc.dg/graphite/block-3.c: Same.
 870         * gcc.dg/graphite/block-4.c: Same.
 871         * gcc.dg/graphite/block-5.c: Same.
 872         * gcc.dg/graphite/block-6.c: Same.
 873         * gcc.dg/graphite/block-7.c: Same.
 874         * gcc.dg/graphite/interchange-0.c: Same.
 875         * gcc.dg/graphite/interchange-1.c: Same.
 876         * gcc.dg/graphite/interchange-10.c: Same.
 877         * gcc.dg/graphite/interchange-11.c: Same.
 878         * gcc.dg/graphite/interchange-12.c: Same.
 879         * gcc.dg/graphite/interchange-2.c: Same.
 880         * gcc.dg/graphite/interchange-3.c: Same.
 881         * gcc.dg/graphite/interchange-4.c: Same.
 882         * gcc.dg/graphite/interchange-5.c: Same.
 883         * gcc.dg/graphite/interchange-6.c: Same.
 884         * gcc.dg/graphite/interchange-7.c: Same.
 885         * gcc.dg/graphite/interchange-8.c: Same.
 886         * gcc.dg/graphite/interchange-9.c: Same.
 887         * gcc.dg/graphite/interchange-mvt.c: Same.
 888         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 889
 890 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 891
 892         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 893           background.
 894
 895 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 896
 897         * common.opt: Add -fgraphite-cloog-opts.
 898         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 899         * opts.c (decode_options): Same.
 900
 901 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 902
 903         * gcc.dg/graphite/id-17.c: New.
 904         * gcc.dg/graphite/pr41888.c: New.
 905         * gcc.dg/graphite/scop-22.c: New.
 906         * gfortran.dg/graphite/pr40982.f90: New.
 907
 908 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 909
 910         * graphite-dependences.c: Clarify comments.
 911         (build_pddr): Add an extra parameter direction.
 912         (graphite_legal_transform_dr): Use build_pddr.
 913         (dot_original_deps_stmt_1): Update use of build_pddr.
 914         (dot_transformed_deps_stmt_1): Same.
 915         (dot_original_deps): Same.
 916         (dot_transformed_deps): Same.
 917
 918         * gcc.dg/graphite/interchange-12.c: New.
 919         * gcc.dg/graphite/block-7.c: New.
 920
 921 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 922
 923         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 924         (pddr_transformed_scattering): Removed.
 925         (graphite_legal_transform_dr): Use build_pddr.
 926         (dot_original_deps_stmt_1): Same.
 927         (dot_transformed_deps_stmt_1): Same.
 928         (dot_original_deps): Same.
 929         (dot_transformed_deps): Same.
 930
 931 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 932
 933         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 934         (build_lexicographically_gt_constraint): Same.
 935         (dependence_polyhedron_1): Same.
 936         (dependence_polyhedron): Same.
 937
 938 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 941         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 942         (lexicographically_gt_p): Change type of direction to int.
 943         (build_lexicographically_gt_constraint): Same.
 944         (dependence_polyhedron_1): Same.
 945         (dependence_polyhedron): Same.
 946         (pddr_original_scattering): Use integers for direction.
 947         (pddr_transformed_scattering): Same.
 948         (graphite_legal_transform_dr): Same.
 949         (graphite_carried_dependence_level_k): Same.
 950
 951 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 952
 953         * graphite-dependences.c (build_pairwise_constraint): Renamed
 954         ppl_build_relation.  Moved...
 955         (dr_equality_constraints): Use ppl_build_relation.
 956         (build_pairwise_scheduling_equality): Same.
 957         (build_pairwise_scheduling_inequality): Same.
 958         * graphite-ppl.c (ppl_build_relation): ...here.
 959         * graphite-ppl.h (ppl_build_relation): Declared.
 960
 961 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         PR middle-end/42681
 964         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 965         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 966         Set gloog_error when such an expression failed to be built.
 967         (translate_clast): Early return when gloog_error is set.
 968         (gloog): Clear gloog_error.  When gloog_error is set, call
 969         set_ifsese_condition to enable the original code.  Return the status
 970         of the code generation based on gloog_error.
 971         * sese.c (set_ifsese_condition): New.
 972         * sese.h (set_ifsese_condition): Declared.
 973
 974         * g++.dg/graphite/pr42681.C: New.
 975
 976 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 977
 978         PR middle-end/42732
 979         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 980         rename_nb_iterations.
 981         * sese.c (rename_variables_in_operand): New.
 982         (rename_variables_in_expr): New.
 983         (rename_nb_iterations): New.
 984         (sese_adjust_liveout_phis): Update the rename_map.
 985         * sese.h (rename_nb_iterations): Declared.
 986         * tree-scalar-evolution.c (scev_reset_htab): New.
 987         (scev_reset): Call scev_reset_htab.
 988         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 989
 990         * gfortran.dg/graphite/pr42732.f: New.
 991
 992 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 993
 994         PR middle-end/42393
 995         * graphite-clast-to-gimple.c: Fix formatting.
 996         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 997         (expr_defined_in_loop_p): New.
 998         (add_loop_exit_phis): Also handle full expressions: remove from
 999         the rename_map the expressions defined in the loop that we're closing.
1000
1001         * gfortran.dg/graphite/pr42393-1.f90: New.
1002         * gfortran.dg/graphite/pr42393.f90: Add new flags
1003         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1004         make this testcase useful in the Graphite branch.
1005
1006 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-scop-detection.c (exclude_component_ref): Removed.
1009         (is_simple_operand): Removed.
1010         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1011
1012 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         PR middle-end/42221
1015         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1016         the array indexing of ADDR_EXPRs.
1017
1018         * gcc.dg/graphite/pr42221.c: New.
1019
1020 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1021
1022         PR middle-end/42521
1023         * graphite.c (graphite_finalize): Call scev_reset.
1024         (graphite_transform_loops): Do not call scev_reset between the code
1025         generation of scops.
1026
1027         * gcc.dg/graphite/pr42521.c: New.
1028
1029 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-interchange.c (memory_stride_in_loop): Renamed
1032         pdr_stride_in_loop.
1033         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1034         (memory_strides_in_loop): Memoize the memory strides per loop.
1035         (lst_interchange_profitable_p): Do not initialize to zero the memory
1036         strides.
1037         * graphite-poly.h (struct lst): Add a field memory_strides.
1038         (LST_LOOP_MEMORY_STRIDES): New.
1039         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1040         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1041
1042 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1045         memory_strides_in_loop.  Gather memory strides on a whole loop.
1046         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1047         (lst_interchange_profitable_p): Removed.
1048         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1049
1050 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1053         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1054         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1055         Remove context_loop and level.
1056
1057 2010-01-07  Richard Guenther  <rguenther@suse.de>
1058
1059         PR tree-optimization/42641
1060         * sese.c (rename_map_elt_info): Use the SSA name version, do
1061         not hash pointers.
1062
1063 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1064
1065         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1066         blocked" only when both the strip mine and the interchange have
1067         been applied.
1068
1069         * gcc.dg/graphite/block-2.c: Removed.
1070         * gcc.dg/graphite/block-3.c: Add scan pattern.
1071         * gcc.dg/graphite/block-4.c: Same.
1072         * gcc.dg/graphite/block-5.c: Same.
1073         * gcc.dg/graphite/block-6.c: Same.
1074
1075 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1076
1077         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1078         before allocating a new one.
1079         (copy_renames): Check that slot is not NULL.
1080         (mark_bb_with_pbb): Same.
1081         (compute_cloog_iv_types_1): Same.
1082         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1083         nest, and after LSTs.
1084         (lst_try_interchange_loops): Same.
1085
1086 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1087
1088         PR middle-end/42178
1089         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1090         the before, nest, and after LSTs.
1091         (lst_try_interchange): Removed.
1092         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1093         were modified.
1094         (lst_interchange_select_outer): Apply interchange on the outer loop
1095         until there are no more changes in the inner loops.
1096
1097 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         Revert patch fixing PR middle-end/42221.
1100
1101 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         PR middle-end/42180
1104         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1105         GIMPLE_CALL.
1106
1107         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1108
1109 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         PR middle-end/42180
1112         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1113         that contain only one statement.
1114
1115         * gfortran.dg/graphite/pr42180.f90: New.
1116
1117 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         PR middle-end/42393
1120         * gfortran.dg/graphite/pr42393.f90: New.
1121
1122 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         PR middle-end/42186
1125         * gfortran.dg/graphite/pr42186.f90: New.
1126
1127 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1128
1129         PR middle-end/42205
1130         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1131         Insert the reduction copy in the same block as the phi node.
1132         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1133
1134         * gcc.dg/graphite/pr42205-1.c: New.
1135         * gcc.dg/graphite/pr42205-2.c: New.
1136
1137 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         PR middle-end/42221
1140         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1141         the array indexing of ADDR_EXPRs.
1142
1143         * gcc.dg/graphite/pr42221.c: New.
1144
1145 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         PR middle-end/42178
1148         PR middle-end/42334
1149         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1150         index.  Call lst_interchange_select_inner only once.
1151         (lst_interchange_select_inner): Update use of lst_try_interchange.
1152         (lst_interchange_select_outer): Update.
1153
1154 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         PR middle-end/42178
1157         PR middle-end/42334
1158         * graphite-interchange.c (lst_try_interchange): Do not increment the
1159         the OUTER index when there is no AFTER kernel.  Do not increment the
1160         OUTER index for after processing the AFTER kernel.
1161         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1162         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1163         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1164         (scop_do_interchange): Update use of lst_interchange_select_outer.
1165
1166         * gfortran.dg/graphite/graphite.exp
1167         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1168         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1169         the graphite dump file.
1170         * gfortran.dg/graphite/interchange-2.f: Same.
1171         * gfortran.dg/graphite/pr42334-1.f: New.
1172
1173 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         PR middle-end/42178
1176         PR middle-end/42334
1177         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1178         that are empty.
1179         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1180         (lst_try_interchange): Reimplemented.
1181         (lst_interchange_select_inner): Same.
1182         (lst_do_interchange): Renamed lst_interchange_select_outer.
1183         Reimplemented.
1184         (scop_do_interchange): Update use of lst_interchange_select_outer.
1185
1186         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1187         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1188         * gcc.dg/graphite/pr42211.c: New.
1189         * gfortran.dg/graphite/pr42334.f90: New.
1190
1191 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         PR middle-end/42181
1194         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1195         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1196
1197         * gfortran.dg/graphite/pr42181.f90: New.
1198
1199 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1200
1201         PR middle-end/42284
1202         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1203         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1204         (detect_commutative_reduction_arg): Simplified.
1205         (detect_commutative_reduction): Early return when the argument of
1206         the close phi is not of an SSA_NAME.
1207
1208         * gcc.dg/graphite/pr42284.c: New.
1209
1210 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1211
1212         * dbgcnt.def (graphite_scop): New counter.
1213         * graphite.c: Include dbgcnt.h
1214         (graphite_transform_loops): Use new counter to limit transformations.
1215
1216 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1217
1218         PR middle-end/42285
1219         * graphite-scop-detection.c (graphite_can_represent_init): Also
1220         handle more complex MULT_EXPRs containing parameters by recursion
1221         on the structure.
1222
1223         * gfortran.dg/graphite/pr42285.f90: New.
1224
1225 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1226
1227         * g++.dg/graphite/pr42130.C: Fix type.
1228
1229 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1230
1231         * g++.dg/graphite/pr42130.C: Correct testcase.
1232
1233 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1234
1235         * Merge from mainline (154493:154734).
1236
1237 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1238
1239         * Merge from mainline (151362:154491).
1240
1241 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1242
1243         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1244         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1245
1246 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1247
1248         PR middle-end/42130
1249         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1250         translate_clast_for_loop): New.
1251         (translate_clast_for): Add a condition around the loop, to do not
1252         execute loops with zero iterations.
1253         * g++.dg/graphite/pr42130.C: New.
1254         * gcc.dg/graphite/pr35356-2.c: Adapt.
1255
1256 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1257
1258         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1259         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1260         Remove context_loop and level.
1261
1262 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1263
1264         * graphite-clast-to-gimple.c (translate_clast_user,
1265         translate_clast_for, translate_clast_guard): Simplify and move common
1266         elements to translate_clast().
1267         (translate_clast): Simplify and get common elements.
1268
1269 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1270
1271         * graphite-clast-to-gimple.c (translate_clast_user,
1272         translate_clast_for, translate_clast_guard): Split out of
1273         translate_clast.
1274
1275 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1276
1277         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1278         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1279         debug_clast_name_indexes_1, debug_clast_name_indexes,
1280         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1281         (clast_name_to_gcc, clast_to_gcc_expression,
1282         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1283         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1284         graphite_create_guard_cond_expr, graphite_create_new_loop,
1285         translate_clast): Add params_index.
1286         (initialize_cloog_names): Create parameter strings from scratch, do
1287         not reference other strings.
1288         (create_params_index): New.
1289         (gloog): Initialize params_index.
1290         * graphite-scop-detection (free_scops_1): Removed.
1291         (limit_scops): Use normal free_scops.
1292         * graphite-sese-to-poly.c (save_var_names): Removed.
1293         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1294         and SESE_PARAMS_INDEX.
1295         * sese.c (new_sese, free_sese): Dito.
1296         * sese.h (struct sese): Remove params_index, params_names.
1297         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1298
1299 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1300
1301         Revert the following patch from 2009-09-14:
1302         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1303         tree-scalar-evolution.h, and then tree-data-ref.h.
1304         * graphite-clast-to-gimple.c: Same.
1305         * graphite-dependences.c: Same.
1306         * graphite-interchange.c: Same.
1307         * graphite-poly.c: Same.
1308         * graphite-scop-detection.c: Same.
1309         * graphite-sese-to-poly.c: Same.
1310         * graphite.c: Same.
1311         * lambda-code.c: Same.
1312         * matrix-reorg.c: Same.
1313         * tree-data-ref.c: Same.
1314         * tree-if-conv.c: Same.
1315         * tree-loop-distribu: Same.: Same.
1316         * tree-loop-linear.c: Same.
1317         * tree-parloops.c: Same.
1318         * tree-predcom.c: Same.
1319         * tree-vect-patterns.c: Same.
1320
1321 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         Revert patch from 2009-09-14.
1324         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1325         passes at -O1 and below.
1326
1327 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1328
1329         PR middle-end/40281
1330         * gcc.dg/graphite/pr40281.c: New.
1331
1332         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1333         evolutions should not variate in inner loops.
1334
1335 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1336
1337         PR middle-end/42050
1338         * gfortran.dg/graphite/pr42050.f90: New.
1339
1340 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1343         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1344
1345 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1346
1347         * graphite-blocking.c (scop_do_block): New.
1348         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1349         * graphite-poly.h (scop_do_block): Declared.
1350
1351 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1352
1353         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1354         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1355         to transform depth into the time_depth before calling
1356         pbb_number_of_iterations_at_time.
1357         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1358         lst_depth.
1359
1360 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1361
1362         Reverted the patch for "scattering permutations" from 2009-10-28.
1363
1364         * graphite-poly.c (print_permutation): New.
1365         (debug_permutation): New.
1366         (new_poly_bb): Initialize PBB_PERMUTATION.
1367         (free_poly_bb): Free PBB_PERMUTATION.
1368         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1369         (struct pbb_permutation_elt): New.
1370         (PBB_PERMUTATION_ELT_STRIDE): New.
1371         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1372         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1373         (new_pbb_permutation_elt): New.
1374         (pbb_permutation_elt_free): New.
1375         (struct poly_bb): Add field permutation.
1376         (PBB_PERMUTATION): New.
1377         (print_permutation): Declared.
1378         (debug_permutation): Declared.
1379
1380 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1381
1382         * graphite-interchange.c (build_partial_difference): New.
1383         (memory_stride_in_loop): Refactored the computation of
1384         equality constraints into build_partial_difference function.
1385         Added support for debugging stride computations.
1386
1387 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1388
1389         * graphite-clast-to-gimple.c (gloog): Free if_region,
1390         if_region->true_region, and if_region->region.
1391         * sese.c (if_region_set_false_region): Free if_region->false_region.
1392         (create_if_region_on_edge): Do not use GGC_NEW.
1393         (move_sese_in_condition): Remove useless initialization.
1394
1395 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1398         for the loops created by the loop distribution.  Do not modify the
1399         input LSTs.
1400         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1401         transformed schedule.  Call lst_update_scattering before data
1402         dependence analysis.
1403         (lst_try_interchange): Pass an extra parameter INDEX.
1404         (lst_do_interchange_1): New.
1405         (lst_do_interchange): Call lst_do_interchange_1.
1406         (scop_do_interchange): Call lst_update_scattering.
1407         * graphite-poly.c (apply_poly_transforms): Do not call
1408         lst_update_scattering.
1409         * graphite-poly.h (lst_pred): New.
1410         (lst_succ): New.
1411         (lst_find_first_pbb): Return NULL when not found.
1412         (lst_empty_p): New.
1413         (lst_insert_in_sequence): Allow LST1 to be NULL.
1414         (lst_replace): New.
1415         (lst_substitute_3): New.
1416         * gcc.dg/graphite/interchange-1.c: XFail.
1417         * gcc.dg/graphite/interchange-8.c: XFail.
1418         * gcc.dg/graphite/interchange-11.c: XFail.
1419
1420 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1421
1422         * graphite-interchange.c (lst_perfectly_nested_p): New.
1423         (lst_perfect_nestify): New.
1424         (lst_try_interchange_loops): Call store_lst_schedule,
1425         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1426         (scop_do_interchange): Avoid redundant legality test.
1427         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1428         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1429         * graphite-poly.h (psct_static_dim): New.
1430         (lst_dewey_number_at_depth): New.
1431         (lst_find_pbb): Restructured.
1432         (lst_find_first_pbb): Restructured.
1433         (lst_find_last_pbb): New.
1434         (lst_contains_p): New.
1435         (lst_contains_pbb): New.
1436         (lst_create_nest): New.
1437         (lst_remove_from_sequence): New.
1438         (pbb_update_scattering): New.
1439         (lst_update_scattering_under): New.
1440         (lst_update_scattering_seq): New.
1441         (lst_update_scattering): New.
1442         (lst_insert_in_sequence): New.
1443         (lst_distribute_lst): New.
1444         (lst_remove_all_before_including_pbb): New.
1445         (lst_remove_all_before_excluding_pbb): New.
1446
1447 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1450         get_loop_exit_edges.
1451
1452 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1455
1456 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1457
1458         * graphite-poly.c (print_permutation): New.
1459         (debug_permutation): New.
1460         (new_poly_bb): Initialize PBB_PERMUTATION.
1461         (free_poly_bb): Free PBB_PERMUTATION.
1462         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1463         (struct pbb_permutation_elt): New.
1464         (PBB_PERMUTATION_ELT_STRIDE): New.
1465         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1466         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1467         (new_pbb_permutation_elt): New.
1468         (pbb_permutation_elt_free): New.
1469         (struct poly_bb): Add field permutation.
1470         (PBB_PERMUTATION): New.
1471         (print_permutation): Declared.
1472         (debug_permutation): Declared.
1473
1474 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1475
1476         * graphite-clast-to-gimple.c (gloog): Do not call
1477         sese_reset_aux_in_loops.
1478         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1479         extra argument for domains.  Do not use loop->aux.
1480         (build_scop_iteration_domain): Initialize and free domains, pass it
1481         to build_loop_iteration_domains and extract the information from
1482         domains.  Do not use loop->aux.
1483         * sese.c (sese_reset_aux_in_loops): Removed.
1484         * sese.h (sese_reset_aux_in_loops): Removed.
1485
1486 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1487
1488         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1489         (dependency_in_loop_p): Same.
1490         (translate_clast): Do not use loop->aux.  Initialize
1491         loop->can_be_parallel.
1492         (mark_loops_parallel): Removed.
1493         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1494         * graphite.c (free_aux_in_new_loops): Removed.
1495         (graphite_finalize): Do not call free_aux_in_new_loops.
1496         (graphite_transform_loops): Do not call mark_loops_parallel.
1497
1498 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1499
1500         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1501         (translate_clast): Pass an extra parameter LEVEL.
1502         Call get_scattering_level.
1503         * graphite-clast-to-gimple.h (get_scattering_level): New.
1504
1505 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1508         * cfgloop.h (struct loop): New field single_iv.
1509
1510         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1511         loop->aux anymore: use loop->single_iv.
1512         (graphite_loop_normal_form): Moved...
1513         (build_graphite_loop_normal_form): Removed.
1514         (gloog): Do not call build_graphite_loop_normal_form.
1515         (free_aux_in_new_loops): Moved...
1516         (mark_loops_parallel): Restructure.
1517         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1518         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1519         (scop_canonicalize_loops): New.
1520         (build_poly_scop): Call scop_canonicalize_loops.
1521         * graphite.c (free_aux_in_new_loops): ...here.
1522
1523 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1524
1525         * g++.dg/graphite/graphite.exp: Add the same rules as in
1526         gcc.dg/graphite/graphite.exp.
1527
1528 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * g++.dg/graphite/id-1.C: New.
1531
1532 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1535         argument base_name.
1536         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1537         (rewrite_phi_out_of_ssa): Same.
1538         (rewrite_cross_bb_scalar_deps): Same.
1539         (translate_scalar_reduction_to_array): Same.
1540
1541 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1544         dump_alias_graphs.
1545
1546 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1549         (build_scop_drs): Call dump_alias_graphs.
1550
1551 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1552
1553         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1554         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1555         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1556         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1557         * graphite-poly.h (free_lst): New.
1558         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1559         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1560
1561 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1562
1563         * graphite-poly.h (struct scop): Add a field saved_schedule.
1564         (SCOP_SAVED_SCHEDULE): New.
1565         (store_lst_schedule): New.
1566         (restore_lst_schedule): New.
1567         (store_scattering): Call store_lst_schedule.
1568         (restore_scattering): Call restore_lst_schedule.
1569
1570 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1571
1572         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1573         (pdr_add_alias_set): Same.
1574         (build_poly_dr): Same.
1575         (build_alias_set_optimal_p): Same.
1576         (build_base_obj_set_for_drs): Same.  Do not store the result of
1577         graphds_dfs.
1578
1579 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1580
1581         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1582         all_components_are_cliques to 1.
1583
1584 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1585
1586         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1587         the new structure.
1588         (pdr_add_alias_set): Update retrieving alias_set_num.
1589         (build_poly_dr): Update retrieving dr_base_object_set.
1590         (partition_drs_to_sets): Remove.
1591         (build_alias_set_optimal_p): New.
1592         (build_alias_set_for_drs): Rename.
1593         (build_scop_drs): Update.
1594         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1595         (ALIAS_SET_INDEX): Remove.
1596         (BASE_OBJECT_SET_INDEX): Remove.
1597
1598 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1599
1600         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1601
1602 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1605         loop upper bounds for 1-element arrays at end of structures.
1606         * tree-flow.h (array_at_struct_end_p): Declared.
1607         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1608
1609 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1610
1611         * g++.dg/graphite/pr41305.C: New.
1612
1613 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1614
1615         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1616         construction of parameter constraints from loop iteration analysis.
1617         * gcc.dg/graphite/run-id-2.c: New test.
1618
1619 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1620
1621         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1622         and new_cstr.
1623
1624 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * graphite-dependences.c (dependence_polyhedron_1): Remove
1627         unused gdim dimensions from the DDR polyhedron.
1628
1629 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * graphite-dependences.c (pddr_transformed_scattering): New.
1632         (dot_original_deps_stmt_1): New.
1633         (dot_transformed_deps_stmt_1): New.
1634         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1635         dot_transformed_deps_stmt_1.
1636         (dot_original_deps): New.
1637         (dot_transformed_deps): New.
1638         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1639
1640 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1641
1642         * graphite-dependences.c (reduction_dr_1): Remove wrong
1643         assert: reduction BBs can have multiple reduction writes
1644         to memory.  interchange-3.f90 is an example.
1645
1646 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * gfortran.dg/graphite/interchange-3.f90: New.
1649
1650 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1651
1652         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1653
1654 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-dependences.c (dependence_polyhedron_1): Add the
1657         context to the dependence polyhedron.
1658
1659 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1662         PBB_PDR_DUPLICATES_REMOVED.
1663         (new_poly_bb): Same.
1664
1665 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1666
1667         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1668         SCOP_CONTEXT.
1669         (build_loop_iteration_domains): Extract bounds on parameters
1670         based on the data size.
1671         (build_scop_context): Do not initialize SCOP_CONTEXT;
1672         add new constraints.
1673
1674 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1677         * graphite-ppl.h (graphite-ppl.h): Declared.
1678
1679 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * graphite-ppl.c (ppl_print_linear_expr): New.
1682         (debug_ppl_linear_expr): New.
1683         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1684         (debug_ppl_linear_expr): Declared.
1685
1686 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         * graphite-interchange.c: Fix comments.
1689         * gcc.dg/graphite/block-1.c: Fix comments.
1690
1691 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1694         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1695
1696 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1697
1698         Reapply the patch from Alexander Monakov that disappeared during
1699         the last merges from trunk.
1700
1701         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1702
1703         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1704         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1705
1706 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1707
1708         * graphite-interchange.c (memory_stride_in_loop): The depth
1709         argument corresponds to a dynamic time dimension, so use
1710         psct_dynamic_dim to refer to the transformed scattering dimension.
1711
1712 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1713
1714         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1715
1716 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1717
1718         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1719         root of the LST.
1720         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1721         the root of the LST.
1722         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1723         fake loop.
1724         (print_lst): Print the root of LST in a different format.
1725         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1726
1727 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1728
1729         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1730
1731 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * doc/passes.texi: Document the Graphite infrastructure.
1734
1735 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1736
1737         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1738         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1739         and check the SSA representation.
1740
1741         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1742
1743 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1746
1747 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * gcc.dg/graphite/interchange-11.c: New.
1750
1751 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1754
1755 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1756
1757         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1758         Add -fno-loop-strip-mine and -fno-loop-interchange.
1759         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1760         -fno-loop-strip-mine.
1761         * gfortran.dg/graphite/graphite.exp: Same.
1762
1763 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1766         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1767         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1768         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1769         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1770         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1771         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1772         DEFAULT_FLAGS_GRAPHITE_SCOP.
1773         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1774         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1775
1776 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1779
1780 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1781             Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-interchange.c (build_linearized_memory_access): Pass an
1784         offset as parameter.
1785         (memory_stride_in_loop): Include transform scattering in the
1786         access functions to be able to querry the strides in the
1787         transformed loops.
1788         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1789         not the psct_iterator_dim.
1790
1791 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1792
1793         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1794         (lst_do_strip_mine_loop): New.
1795         (lst_do_strip_mine): New.
1796         (scop_do_strip_mine): Call lst_do_strip_mine.
1797         * graphite-poly.h (lst_add_loop_under_loop): New.
1798         (lst_find_first_pbb): New.
1799
1800 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1801
1802         * graphite-poly.c (loop_to_lst): Fix LST creation.
1803
1804 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1805
1806         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1807         sizeof(unsigned long) to make it run on 32bit systems.
1808
1809 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1810
1811         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1812         SEGFAULT on 32bit.
1813
1814 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1815
1816         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1817         Comment.
1818         (write_alias_graph_to_ascii_dot): New.
1819         (write_alias_graph_to_ascii_ecc): Ditto.
1820         (partition_drs_to_sets): Add testing of optimality of current method
1821         which assigns alias numbers according to DFS Comopnent number.  used
1822         as heuristic for the upcoming ECC algorithm.
1823         (build_scop_drs): Write to file also with the ecc and dot format.
1824
1825 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * gfortran.dg/graphite/interchange-1.f: XFail.
1828
1829 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1830
1831         * graphite.c (graphite_initialize): Do not handle functions with
1832         more than 100 basic blocks.
1833
1834 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1835
1836         * graphite-blocking.c (pbb_do_strip_mine): Use
1837         PARAM_LOOP_BLOCK_TILE_SIZE.
1838
1839 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1840
1841         * graphite-poly.c (dot_lst_1): New.
1842         (dot_lst): New.
1843         * graphite-poly.h (dot_lst): Declared.
1844
1845 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1846
1847         * graphite-dependences.c (dot_deps_stmt_1): New.
1848         (dot_deps_stmt): New.
1849         * graphite-dependences.h (dot_deps_stmt): Declared.
1850
1851 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1854         not replace cross BB scalar dependences ending on PHI nodes.
1855         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1856
1857 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * graphite-poly.c (apply_poly_transforms): Implement the high
1860         level driver for flag_loop_block.
1861         * opts.c (decode_options): Enable flag_loop_block at -O2.
1862         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1863         flag_loop_block.
1864
1865         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1866         -floop-block.
1867         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1868         Add -floop-block.
1869
1870 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * graphite-poly.h (lst_find_pbb): New.
1873         (find_lst_loop): New.
1874
1875 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1878         * graphite-poly.h (struct scop): Remove dep_graph field.
1879         (SCOP_DEP_GRAPH): Removed.
1880
1881 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * graphite-poly.h (copy_lst): Do full copy of LST.
1884
1885 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1888         when the loop stride is zero.
1889
1890         * gcc.dg/graphite/id-16.c: New.
1891
1892 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1893
1894         * graphite-dependences.c (reduction_dr_1): New.
1895         (reduction_dr_p): New.
1896         (graphite_legal_transform_dr): Call reduction_dr_p.
1897         (reduction_ddr): Renamed reduction_ddr_p.
1898         * graphite-poly.h (same_pdr_p): New.
1899         (number_of_write_pdrs): New.
1900         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1901         (split_reduction_stmt): Do not split reduction statements
1902         when there are no writes to memory.
1903         (translate_scalar_reduction_to_array_for_stmt): Insert the
1904         memory reduction statement just after the scalar reduction statement.
1905
1906         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1907         Un-XFAIL-ed.
1908         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1909         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1910
1911 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-interchange.c (lst_apply_interchange): New.
1914         (lst_interchange_profitable_p): New.
1915         (lst_try_interchange_loops): New.
1916         (lst_try_interchange): New.
1917         (lst_do_interchange): New.
1918         (pbb_do_interchange): Removed.
1919         (scop_do_interchange): Call lst_do_interchange.
1920
1921 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1922
1923         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1924         SCOP_TRANSFORMED_SCHEDULE.
1925         (loop_to_lst): New.
1926         (scop_to_lst): New.
1927         (print_lst): New.
1928         (debug_lst): New.
1929         * graphite-poly.h (lst_p): New.
1930         (struct lst): New.
1931         (LST_LOOP_P): New.
1932         (LST_LOOP_FATHER): New.
1933         (LST_PBB): New.
1934         (LST_SEQ): New.
1935         (scop_to_lst): Declared.
1936         (print_lst): Declared.
1937         (debug_lst): Declared.
1938         (new_lst_loop): New.
1939         (new_lst_stmt): New.
1940         (copy_lst): New.
1941         (lst_depth): New.
1942         (lst_dewey_number): New.
1943         (struct scop): Add original_schedule and transformed_schedule fields.
1944         (SCOP_ORIGINAL_SCHEDULE): New.
1945         (SCOP_TRANSFORMED_SCHEDULE): New.
1946         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1947
1948 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         * graphite-dependences.c (reduction_ddr): New.
1951         (graphite_legal_transform_bb): Call reduction_ddr.
1952         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1953         Initialize PBB_IS_REDUCTION.
1954         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1955         (PBB_IS_REDUCTION): New.
1956         (new_poly_bb): Update declaration.
1957         * graphite-scop-detection.h (build_scop_bbs): Removed.
1958         (nb_reductions_in_loop): Removed.
1959         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1960         parameter for reductions.
1961         (try_generate_gimple_bb): Update call to new_poly_bb.
1962         (build_scop_bbs_1): Same.
1963         (build_scop_bbs): Same.
1964         (gsi_for_phi_node): New.
1965         (scalar_close_phi_node_p): Remove gcc_assert.
1966         (split_reduction_stmt): New.
1967         (is_reduction_operation_p): New.
1968         (phi_contains_arg): New.
1969         (follow_ssa_with_commutative_ops): New.
1970         (detect_commutative_reduction_arg): New.
1971         (detect_commutative_reduction_assign): New.
1972         (follow_inital_value_to_phi): New.
1973         (edge_initial_value_for_loop_phi): New.
1974         (initial_value_for_loop_phi): New.
1975         (detect_commutative_reduction): New.
1976         (translate_scalar_reduction_to_array_for_stmt): New.
1977         (insert_copyout): New.
1978         (insert_copyin): New.
1979         (translate_scalar_reduction_to_array): New.
1980         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1981         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1982         (rewrite_commutative_reductions_out_of_ssa): New.
1983         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1984         * sese.h (split_region_for_bb): New.
1985
1986         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1987         * gcc.dg/graphite/interchange-1.c: Fix format.
1988         * gcc.dg/graphite/interchange-10.c: New.
1989
1990 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1993         buggy assert.
1994
1995 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1996
1997         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1998         (rewrite_cross_bb_scalar_dependence): New.
1999         (rewrite_cross_bb_scalar_deps): New.
2000         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2001         Call rewrite_cross_bb_scalar_deps.
2002
2003 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2004
2005         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2006         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2007         gsi_for_stmt.
2008
2009 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2010
2011         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2012         * graphite-interchange.c (pbb_do_interchange): Same.
2013         * graphite-poly.c (print_scattering_function): Same.
2014         (debug_pdrs): Same.
2015         * graphite-poly.h (pbb_loop): New.
2016         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2017
2018 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2019
2020         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2021
2022 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2025         so don't pass a pointer to it.
2026         (build_alias_set_for_drs): Same.
2027         (build_base_obj_set_for_drs): Same.
2028         (build_scop_drs): Same.
2029
2030 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2031
2032         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2033         the alias graph of data references.
2034
2035 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2036
2037         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2038         (build_scop_drs): When debugging, write the alias graph to file,
2039         otherwise, should be disabled.
2040
2041 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * Merge from mainline (151310:151361).
2044
2045 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         * Merge from mainline (151171:151310).
2048
2049 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * Merge from mainline (151171:151806).
2052
2053 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2054
2055         * Revert the last commit.
2056
2057 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2058
2059         * Merge from mainline (151171:151819).
2060
2061 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2064         (is_simple_operand): Remove call to stmt_simple_memref_p.
2065         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2066
2067 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2068
2069         * gcc.dg/graphite/interchange-mvt.c: New File.
2070         * gcc.dg/graphite/scop-dsyrk.c: New File.
2071         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2072         * gcc.dg/graphite/scop-mvt.c: New File.
2073         * gcc.dg/graphite/scop-sor.c: New File.
2074
2075 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2076
2077         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2078         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2079         (graphite_carried_dependence_level_k): Ditto.
2080         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2081         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2082         (new_poly_dr): Adjust declaration.
2083         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2084         (free_gimple_bb): Added free_data_refs_aux.
2085         (build_poly_dr): Add dr_base_object_set.
2086         (partition_drs_to_sets): New.
2087         (dr_same_base_object_p): New.
2088         (build_alias_set_for_drs): New.
2089         (build_base_object_set_for_drs): New.
2090         (build_scop_drs): Add build_base_obj_set_for_drs.
2091         * graphite-sese-to-poly.h: Added #define for alias set number index and
2092         base object set index.
2093         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2094         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2095
2096 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2097
2098         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2099         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2100
2101 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * graphite-sese-to-poly.c (struct irp_data): Removed.
2104         (idx_record_params): Removed.
2105         (find_params_in_bb): Scan for parameters the access functions; don't
2106         parse the tree representation.
2107
2108 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2109
2110         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2111         passes at -O1 and below.
2112
2113 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2114
2115         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2116         tree-scalar-evolution.h, and then tree-data-ref.h.
2117         * graphite-clast-to-gimple.c: Same.
2118         * graphite-dependences.c: Same.
2119         * graphite-interchange.c: Same.
2120         * graphite-poly.c: Same.
2121         * graphite-scop-detection.c: Same.
2122         * graphite-sese-to-poly.c: Same.
2123         * graphite.c: Same.
2124         * lambda-code.c: Same.
2125         * matrix-reorg.c: Same.
2126         * tree-data-ref.c: Same.
2127         * tree-if-conv.c: Same.
2128         * tree-loop-distribu: Same.: Same.
2129         * tree-loop-linear.c: Same.
2130         * tree-parloops.c: Same.
2131         * tree-predcom.c: Same.
2132         * tree-vect-patterns.c: Same.
2133
2134 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2135
2136         Partially revert the previous patch, except the following.
2137         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2138         as parameters the operands of the not expression.
2139
2140 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2141
2142         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2143         Do not call analyze_scalar_evolution on assignments.
2144         (instantiate_scev_phi): Call analyze_scalar_evolution.
2145         (instantiate_scev_name): Call instantiate_scev_assign and
2146         instantiate_scev_phi.
2147         (instantiate_scev_not): Adapted to pass as parameters the operands
2148         of the not expression.
2149
2150 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2151
2152         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2153         to pass as parameters the operands of the binary expression.
2154
2155 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2156
2157         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2158         instantiate_scev_not.  Handle NEGATE_EXPR.
2159         (instantiate_scev_r): Handle NEGATE_EXPR.
2160
2161 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2164         instantiate_scev_r.
2165         (instantiate_scev_r): Move code in instantiate_scev_2
2166         and instantiate_scev_1.
2167
2168 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         * tree-scalar-evolution.c (instantiate_scev_3): New.
2171         (instantiate_scev_1): Move code in instantiate_scev_3.
2172
2173 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2176         (instantiate_scev_1): Move code in instantiate_scev_poly.
2177
2178 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2179
2180         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2181         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2182
2183 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2186         (instantiate_scev_1): Move code in instantiate_scev_convert.
2187
2188 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2189
2190         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2191         (instantiate_scev_1): Move code in instantiate_scev_binary.
2192
2193 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * tree-scalar-evolution.c (instantiate_scev_name): New.
2196         (instantiate_scev_1): Move code in instantiate_scev_name.
2197
2198 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * Merge from mainline (150992:151171).
2201
2202 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2203
2204         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2205
2206 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2207
2208         * graphite-dependences.c (graphite_legal_transform_bb): Call
2209         pbb_remove_duplicate_pdrs.
2210         * graphite-poly.c (can_collapse_pdr): Removed.
2211         (pdr_find_duplicate): Removed.
2212         (can_collapse_pdrs): New.
2213         (pbb_remove_duplicate_pdrs): New.
2214         (new_poly_dr): Do not look for duplicates.
2215         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2216         (PBB_PDR_DUPLICATES_REMOVED): New.
2217         (pbb_remove_duplicate_pdrs): Declared.
2218
2219 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2222         the strides by multiplying by PDR_NB_REFS.
2223         * graphite-poly.c (can_collapse_pdr): New.
2224         (pdr_find_duplicate): New.
2225         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2226         Initialize PDR_NB_REFS.
2227         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2228         (PDR_NB_REFS): New.
2229         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2230
2231 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         Revert one of the previous commits:
2234         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2235         the computation of symmetric data dependence relations.
2236         (dependency_between_pbbs_p): Same.
2237
2238 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         PR middle-end/40965
2241         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2242         any transform.
2243
2244 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * graphite-dependences.c (pddr_original_scattering): Return NULL
2247         for read-read dependence relations.
2248         * graphite-poly.h (enum poly_dr_type): Fix comment.
2249         (pdr_read_p): New.
2250         (pdr_write_p): New.
2251         (pdr_may_write_p): New.
2252
2253 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2256         (struct poly_dr): Same.
2257         (new_poly_dr): Same.
2258         * graphite-poly.c (new_poly_dr): Same.
2259
2260 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2261             Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2264         pbb_strip_mine_time_depth.  Changed the implementation so that
2265         transformation is expressed as a transformation on
2266         time (scatttering) dimensions.  Also, ensures that the 2d+1
2267         scheduling format is preserved.
2268         (pbb_strip_mine_profitable_p): Profitability is based on the
2269         iteration number of a given time (scattering) dimension,
2270         and not on a original loop depth dimension.
2271         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2272         (pbb_do_strip_mine): Call psct_dynamic_dim.
2273         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2274         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2275         (pbb_nb_dynamic_scattering_transform): New.
2276         (psct_dynamic_dim): New.
2277
2278 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2279
2280         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2281         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2282         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2283         * graphite-interchange.c (build_linearized_memory_access): Same.
2284         (memory_stride_in_loop): Same.
2285
2286 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2287
2288         * graphite-dependences.c (pddr_original_scattering): New.
2289         (graphite_legal_transform_dr): Call pddr_original_scattering.
2290         (dot_deps_1): New.
2291         (dot_deps): New.
2292         * graphite-dependences.h (dot_deps): Declared.
2293         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2294         (print_pdr): Print PDR_ID.
2295         * graphite-poly.h (struct poly_dr): Add field id.
2296         (PDR_ID): New.
2297         (pbb_index): New.
2298         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2299
2300 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2301
2302         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2303         not delete the original dependence relation.
2304
2305 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2308         the computation of symmetric data dependence relations.
2309         (dependency_between_pbbs_p): Same.
2310
2311 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2314         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2315         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2316         (free_poly_ddr): New.
2317         (pddr_is_empty): New.
2318         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2319         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2320         Remove fprintfs.
2321         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2322         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2323         * graphite-dependences.h (enum poly_dependence_kind): New.
2324         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2325         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2326         (PDRP_SINK): Renamed PDDR_SINK.
2327         (PDRP_DDP): Renamed PDDR_DDP.
2328         (PDDR_KIND): New.
2329         (free_poly_ddr): Declared.
2330         * graphite-poly.c (new_scop): Use the new hash function names.
2331         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2332         into original_pddrs.
2333         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2334
2335 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2336
2337         * Merge from mainline (150764:150992).
2338
2339 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2340
2341         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2342         bounds with LT_EXPR to make niter analysis more precise on code
2343         generated by Graphite.
2344
2345 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2348         (graphite_legal_transform_bb): Same.
2349         (poly_drs_may_alias_p): Same.
2350
2351 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2352
2353         PR middle-end/40981
2354         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2355         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2356
2357 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         * graphite-poly.c (print_pbb): Print PBB index.
2360
2361 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         * Merge from mainline (r150672:150764).
2364
2365 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367         * graphite-interchange.c (ppl_max_for_le): Moved...
2368         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2369         * graphite-ppl.c (ppl_max_for_le): ... here.
2370         * graphite-ppl.h (ppl_max_for_le): Declared.
2371
2372 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * Merge from mainline (r150372:150672).
2375
2376 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2377
2378         PR middle-end/40980
2379         * sese.c (convert_for_phi_arg): New.
2380         (add_guard_exit_phis): Use convert_for_phi_arg.
2381
2382         * gfortran.dg/graphite/id-17.f: New.
2383
2384 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2385
2386         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2387         unknown subscript upper bounds.
2388
2389         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2390
2391 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2392             Pranav Garg  <pranav.garg2107@gmail.com>
2393
2394         * graphite-interchange.c (gather_access_strides): Removed.
2395         (ppl_max_for_le): New.
2396         (build_linearized_memory_access): New.
2397         (memory_stride_in_loop): New.
2398         (pbb_interchange_profitable_p): Reimplemented.
2399         * graphite-ppl.h (ppl_new_id_map): New.
2400         (ppl_interchange): New.
2401
2402         * gcc.dg/graphite/interchange-6.c: XFAILed.
2403
2404 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2405
2406         * graphite-interchange.c (compute_subscript): Removed.
2407         (compute_array_size_cstr): Removed.
2408         (compute_array_size_poly): Removed.
2409         (compute_array_size): Removed.
2410         (gather_access_strides_poly): Removed.
2411         (gather_access_strides): Empty.
2412
2413 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2414
2415         * graphite-dependences.c (dependence_polyhedron_1): Replace
2416         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2417         (graphite_legal_transform_dr): Same.
2418         (graphite_carried_dependence_level_k): Same.
2419         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2420         Initialize PDR_NB_SUBSCRIPTS.
2421         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2422         PDR_NB_SUBSCRIPTS.
2423         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2424         (PDR_NB_SUBSCRIPTS): New.
2425         (pdr_nb_subscripts): Removed.
2426         (pdr_dim): Simplified.
2427         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2428         with PDR_NB_SUBSCRIPTS.
2429
2430 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * graphite-interchange.c (compute_array_size): Remove use of
2433         PDR_DATA_CONTAINER.
2434         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2435         Do not initialize PDR_DATA_CONTAINER.
2436         (print_pdr): Do not print PDR_DATA_CONTAINER.
2437         * graphite-poly.h (struct poly_dr): Remove data_container field.
2438         (PDR_DATA_CONTAINER): Removed.
2439         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2440         PDR_DATA_CONTAINER.
2441         (build_poly_dr): Same.
2442
2443 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2444
2445         * gcc.dg/graphite/interchange-9.c: New.
2446
2447 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2448             Sebastian Pop  <sebastian.pop@amd.com>
2449
2450         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2451         copy of the dependence polyhedron.  Free the temporary objects.
2452         (graphite_carried_dependence_level_k): Free unused objects before
2453         returning.
2454
2455         * gcc.dg/graphite/interchange-1.c: XFAILed.
2456         * gcc.dg/graphite/interchange-2.c: XFAILed.
2457         * gcc.dg/graphite/interchange-3.c: XFAILed.
2458         * gcc.dg/graphite/interchange-4.c: XFAILed.
2459         * gcc.dg/graphite/interchange-7.c: XFAILed.
2460
2461 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2462
2463         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2464         Early return without analyzing the data dependences if no
2465         transform has been done.  Call restore_scattering if the transform
2466         is not legal.
2467         (graphite-interchange.c): Same.
2468         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2469         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2470         (apply_poly_transforms): Do not gcc_assert that
2471         the transform is legal.
2472         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2473         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2474         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2475         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2476         * graphite-poly.h (struct poly_scattering): New.
2477         (struct poly_bb): Add original, transformed, and saved fields.
2478         Remove transformed_scattering, original_scattering, nb_local_variables,
2479         and nb_scattering_transform fields.
2480         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2481         (poly_scattering_new): New.
2482         (poly_scattering_free): New.
2483         (poly_scattering_copy): New.
2484         (store_scattering_pbb): New.
2485         (store_scattering): New.
2486         (restore_scattering_pbb): New.
2487         (restore_scattering): New.
2488         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2489         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2490
2491 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2494         (print_scop): Same.
2495
2496 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * Makefile.in (graphite.o): Depends on PREDICT_H.
2499         * graphite.c: Include predict.h.
2500         (graphite_finalize): Call tree_estimate_probability.
2501         * predict.c (predict_loops): Do not call scev_initialize and
2502         scev_finalize.
2503         (tree_estimate_probability_bb): New.
2504         (tree_estimate_probability): Do not initialize loops: move that
2505         code to the driver.  Call tree_estimate_probability_bb.
2506         (tree_estimate_probability_driver): New.
2507         (pass_profile): Use tree_estimate_probability_driver.
2508         * predict.h (tree_estimate_probability): Declared.
2509
2510 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2511
2512         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2513         * graphite-dependences.c (graphite_legal_transform): Add time to
2514         TV_GRAPHITE_DATA_DEPS.
2515         (dependency_between_pbbs_p): Same.
2516         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2517
2518 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2519
2520         * Merge from mainline (r149952:150372).
2521
2522 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2523
2524         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2525         * graphite-blocking.c: Same.
2526         * graphite-clast-to-gimple.c: Same.
2527         * graphite-dependences.c: Same.
2528         * graphite-poly.c: Same.
2529         * graphite-poly.h: Same.
2530         * graphite-ppl.c: Same.
2531         * graphite-scop-detection.c: Same.
2532         * graphite-sese-to-poly.c: Same.
2533         * graphite.c: Same.
2534
2535 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2538         (remove_simple_copy_phi): New.
2539         (remove_invariant_phi): New.
2540         (simple_copy_phi_p): New.
2541         (reduction_phi_p): New.
2542         (gsi_for_ssa_name_def): New.
2543         (insert_out_of_ssa_copy): New.
2544         (insert_out_of_ssa_copy_on_edge): New.
2545         (create_zero_dim_array): New.
2546         (scalar_close_phi_node_p): New.
2547         (rewrite_close_phi_out_of_ssa): New.
2548         (rewrite_phi_out_of_ssa): New.
2549         (rewrite_reductions_out_of_ssa): New.
2550         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2551
2552         * gcc.dg/graphite/id-11.c: New.
2553         * gcc.dg/graphite/id-15.c: New.
2554         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2555         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2556         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2557         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2558         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2559         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2560         * gfortran.dg/graphite/id-13.f: New.
2561         * gfortran.dg/graphite/id-5.f: New.
2562
2563 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2564
2565         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2566         check that nb_reductions_in_loop is zero.
2567         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2568         reduction phi nodes.
2569         (nb_reductions_in_loop): Removed.
2570         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2571         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2572         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2573         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2574         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2575
2576 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2577
2578         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2579         statements that have an empty iteration domain.
2580         * gfortran.dg/graphite/id-16.f: New.
2581
2582 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2583
2584         * tree-scalar-evolution.c (instantiate_scev_1): Return
2585         chrec_dont_know when the result is not above instantiate_below.
2586         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2587         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2588         the tree has a known scalar evolution.
2589         * gfortran.dg/graphite/id-14.f: New.
2590         * gfortran.dg/graphite/id-15.f: New.
2591
2592 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2593
2594         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2595         insert_gsi.
2596         (rename_variables): Keep inserting renames after the ones already
2597         inserted.
2598
2599 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2600
2601         * graphite-sese-to-poly.c (compare_bb_depths): New.
2602         (graphite_sort_dominated_info): New.
2603         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2604         (build_scop_scattering): Fix comment.
2605
2606 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2607
2608         * graphite.c (graphite_finalize): Call print_loops instead of
2609         dump_function_to_file.
2610         * gcc.dg/graphite/graphite.exp: Fix formatting.
2611         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2612         loops generated in the graphite output file.
2613         * gcc.dg/graphite/pr35356-2.c: New.
2614         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2615         * gfortran.dg/graphite/id-12.f: New.
2616
2617 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2618
2619         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2620         Remove 2 XFAIL.
2621
2622 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2623             Tobias Grosser  <grosser@fim.uni-passau.de>
2624
2625         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2626         alias set number build alias in ACCESSES polyhedron.
2627         (build_alias_set_for_drs): New.
2628         (build_pbb_drs): Added build_alias_set_for_drs.
2629         * graphite-dependences.c (poly_drs_may_alias_p): New.
2630         (graphite_carried_dependence_level_k): Check alias information
2631         before building polyhedron.
2632
2633 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2634
2635         * Makefile.in (lambda-code.o): Fix formatting.
2636
2637 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2638
2639         * Merge from mainline (r149350-149952)
2640
2641 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2642
2643         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2644         before interchange to prepare for loop blocking.
2645
2646 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2647
2648         * graphite-poly.c (apply_poly_transforms): Add checks after every
2649         transformation.
2650         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2651         done in apply_poly_transforms.
2652
2653 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2654
2655         * graphite-dependences.c (build_lexicographically_gt_constraint):
2656         Replace RES parameter with *RES.
2657         (dependence_polyhedron_1): Pass an address of the parameter RES
2658         instead of value of RES.
2659
2660 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2661
2662         * graphite.c (graphite_finalize): Fix comment.
2663         (graphite_transform_loops): Reset scev info after code generation
2664         of each scop.
2665
2666 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2667
2668         * graphite.c (graphite_finalize): Call scev_reset.
2669
2670 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2673         GBB_CLOOG_IV_TYPES hash table twice.
2674         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2675         (add_condition_to_domain): Clear GMP values.
2676
2677 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2678
2679         * graphite-dependences.c: Fix formatting.
2680         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2681         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2682         * graphite-sese-to-poly.c: Fix formatting.
2683         * graphite.c (graphite_transform_loops): Create the hash table
2684         after the early return.
2685
2686 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2687
2688         * gcc.dg/graphite/id-14.c: New.
2689         * gcc.dg/graphite/pr40157.c: New.
2690         * gfortran.dg/graphite/id-11.f: New.
2691
2692 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2695         (build_poly_scop): Return false when there are no pbbs within
2696         loops to avoid to pass to cloog scops with no loops.
2697
2698 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2699
2700         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2701         useless test "i % 2".
2702         (build_pbb_scattering_polyhedrons): Fix formatting.
2703         (build_poly_dr): Same.
2704         * graphite.c (graphite_transform_loops): Restructure.
2705
2706 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2707
2708         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2709         reduction_list parameter.
2710         (rewrite_all_phi_nodes_with_iv): Same.
2711         (canonicalize_loop_ivs): Same.
2712         * tree-parloops.c (struct brli): Removed.
2713         (build_reduction_list_info): Removed.
2714         (build_new_reduction): New.
2715         (analyze_reduction_list): Removed.
2716         (gather_scalar_reductions): Find reductions instead of phi
2717         nodes that can't be canonicalized.
2718         (try_create_reduction_list): Remove reduction_list parameter.
2719         (gen_parallel_loop): Same.
2720         (parallelize_loops): Remove analyze_reductions variable,
2721         initialization and free.
2722         Change reduction_list htab initialization to reduction_info
2723         elements instead of ssa names.
2724         Call try_create_reduction_list and gen_parallel_loop without
2725         analyzed_reduction argument.
2726         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2727         canonicalize_loop_ivs with one less argument.
2728         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2729
2730 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2731
2732         * graphite-dependences.c (new_poly_dr_pair): New.
2733         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2734         (new_poly_dr_pair): New.
2735         (eq_poly_dr_pair_p): New.
2736         (hash_poly_dr_pair_p): New.
2737         * graphite-dependences.h (struct poly_dr_pair): New.
2738         (eq_poly_dr_pair_p): Declared.
2739         (hash_poly_dr_pair_p): Declared.
2740         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2741         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2742         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2743         * Makefile.in (graphite-poly.o): Add dependence on
2744         graphite-dependences.h.
2745
2746 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2749         polynomials of degree > 1 pass to Graphite.
2750         * tree-chrec.c (scev_is_linear_expression): Call
2751         evolution_function_is_affine_multivariate_p.
2752         * gfortran.dg/graphite/id-10.f90: New.
2753
2754 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2755
2756         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2757         Instantiate scevs varying in outer loops.
2758         * gfortran.dg/graphite/id-9.f: Correct testcase.
2759
2760 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2761
2762         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2763         redundant constraint.
2764
2765 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         * gcc.dg/graphite/graphite.exp: Fix comments.
2768         * gfortran.dg/graphite/graphite.exp: Trigger actions
2769         based on the file names as in the C testsuite.
2770         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2771         * gfortran.dg/graphite/block-2.f: Same.
2772         * gfortran.dg/graphite/block-3.f90: Same.
2773         * gfortran.dg/graphite/block-4.f90: Same.
2774         * gfortran.dg/graphite/id-1.f90: Same.
2775         * gfortran.dg/graphite/id-2.f90: Same.
2776         * gfortran.dg/graphite/id-3.f90: Same.
2777         * gfortran.dg/graphite/id-4.f90: Same.
2778         * gfortran.dg/graphite/id-6.f: Same.
2779         * gfortran.dg/graphite/id-9.f: Same.
2780         * gfortran.dg/graphite/interchange-1.f: Same.
2781         * gfortran.dg/graphite/interchange-2.f: Same.
2782         * gfortran.dg/graphite/scop-1.f: Same.
2783
2784 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2785
2786         * sese.c (expand_scalar_variables_call): New.
2787         (expand_scalar_variables_ssa_name): Handle calls in expander.
2788
2789 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2792         Expect to see the pattern twice.
2793         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2794         * gcc.dg/graphite/interchange-5.c: Same.
2795         * gcc.dg/graphite/interchange-6.c: Same.
2796
2797 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2798
2799         * gcc.dg/graphite/id-10.c: New.
2800         * gcc.dg/graphite/id-12.c: New.
2801         * gfortran.dg/graphite/id-7.f: New.
2802         * gfortran.dg/graphite/id-8.f: New.
2803
2804 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2805
2806         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2807         zero.
2808
2809 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2812
2813 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2814
2815         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2816
2817 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2820         building PDR subscripts.
2821
2822 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2825         computation of array sizes.
2826
2827 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2828
2829         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2830
2831 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2832
2833         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2834         build_pairwise_constraint, dr_equality_constraints,
2835         build_pairwise_scheduling_equality,
2836         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2837         build_lexicographically_gt_constraint, dependence_polyhedron,
2838         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2839         Move from NNC_Polyhedron to C_Polyhedron.
2840         * graphite-interchange.c (compute_array_size_poly,
2841         gather_access_strides): Dito.
2842         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2843         free_scop, pbb_number_of_iterations): Dito.
2844         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2845         pbb_dim_iter_domain, struct scop): Dito.
2846         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2847         new_Cloog_Domain_from_ppl_Polyhedron,
2848         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2849         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2850         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2851         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2852         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2853         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2854         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2855         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2856         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2857         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2858         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2859         build_scop_iteration_domain, build_poly_dr): Dito
2860
2861 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2862
2863         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2864         run-id-*.c files.
2865         * gcc.dg/graphite/run-id-1.c: New.
2866
2867 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2868
2869         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2870         positivity constraint on the symbolic number of iterations.
2871
2872 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2873
2874         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2875
2876 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2877             Tobias Grosser  <grosser@fim.uni-passau.de>
2878
2879         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2880         (build_cloog_prog): Directly use SCOP_CONTEXT.
2881         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2882         (free_scop): Free SCOP_CONTEXT.
2883         (print_scop_context): New.
2884         (print_scop): Call print_scop_context.
2885         (debug_scop_context): New.
2886         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2887         (struct scop): Added field context.
2888         (SCOP_CONTEXT): New.
2889         * graphite-sese-to-poly.c (add_param_constraints): New.
2890         (build_scop_context): New.
2891         (build_poly_scop): Call build_scop_context.
2892
2893 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2896         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2897         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2898         * graphite-ppl.h: Include double-int.h and tree.h.
2899         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2900         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2901         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2902         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2903
2904 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2905
2906         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2907         POINTER_PLUS_EXPR for pointer types.
2908         (clast_to_gcc_expression): Same.
2909
2910 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2911
2912         * graphite-poly.c (print_scattering_function): Early return when
2913         PBB_TRANSFORMED_SCATTERING is not initialized.
2914         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2915
2916 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2917
2918         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2919         to fix bootstrap.
2920
2921 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2922
2923         * tree-parloops.c (analyze_reduction_list): Change return
2924         value to void.
2925         (try_create_reduction_list): Move the call to
2926         analyze_reduction_list to the beginining.
2927         Call reduction_phi with analyzed_reductions as argument
2928         instead of reduction_list.
2929
2930 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2931
2932         *  Merge from mainline (r148296:149346)
2933
2934 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2935
2936         * graphite-scop-detection.c (graphite_can_represent_init): New.
2937         (graphite_can_represent_scev): Call graphite_can_represent_init:
2938         check that the initial value does not contain multiplications of
2939         parameters.
2940         (stmt_has_simple_data_refs_p): New.
2941         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2942         (is_simple_operand): Fix formatting.
2943         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2944
2945 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2946
2947         * gcc.dg/graphite/id-13.c: New.
2948         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2949         analyze_scalar_evolution, use scalar_evolution_in_region.
2950         (scan_tree_for_params_right_scev): Add extra assert.
2951         (parameter_index_in_region_1): Split from parameter_index_in_region.
2952         (idx_record_params): Use scalar_evolution_in_region.
2953         (find_params_in_bb): Same.
2954         (find_scop_parameters): Same.
2955         (build_loop_iteration_domains): Same.
2956         (create_linear_expr_from_tree): Same.
2957         * sese.c (scalar_evolution_in_region): New.
2958         * sese.h (scalar_evolution_in_region): Declared.
2959         (defined_in_sese_p): New.
2960         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2961         static anymore.
2962         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2963         Declared.
2964
2965 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2966
2967         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2968         TREE_DATA_REF_H also implies SCEV_H.
2969
2970 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2971
2972         * graphite-poly.c (print_scop_params): New.
2973         (print_scop): Call print_scop_params.
2974         (debug_scop_params): New.
2975         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2976
2977 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2978
2979         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2980         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2981         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2982         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2983         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2984         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2985
2986 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2987
2988         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2989         for dependency checking part.
2990         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2991         tests for dependency checking.
2992         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2993         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2994         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2995         flag -fdump-tree-graphite-all for autopar testsuites.
2996
2997 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3000         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3001         canonicalize_loop_ivs): Moved...
3002         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3003
3004 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3005
3006         * tree-parloops.c (try_create_reduction_list): Pass an extra
3007         argument analyzed_reductions.  Call analyze_reduction_list.
3008         (gen_parallel_loop): Do not call analyze_reduction_list.
3009         (parallelize_loops): Init and finalize analyzed_reductions.
3010
3011 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3012
3013         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3014         Added flag -fno-loop-strip-mine for autopar testcase.
3015
3016 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3017
3018         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3019         transformed scattering dimension instead of unmatch orignal when
3020         calling dependence_polyhedron.
3021
3022 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3023
3024         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3025
3026 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3027
3028         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3029         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3030
3031 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3032
3033         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3034         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3035         * graphite-poly.c (pbb_number_of_iterations): New.
3036         * graphite-poly.h (pbb_number_of_iterations): Declared.
3037         (pbb_iterator_dim, pbb_parameter_dim): New.
3038
3039 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3042         last commit on type of lower and upper bound of loops.
3043
3044 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3045
3046         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3047         graphite-dependences.h.
3048         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3049         (mark_bb_with_pbb): New.
3050         (get_stmtfor_depth): New.
3051         (find_pbb_via_hash): New.
3052         (dependency_in_loop_p): New.
3053         (mark_loops_parallel): New.
3054         (free_aux_in_new_loops): New.
3055         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3056         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3057         innermost loop parallel without checking.
3058         (gloog): Add parameter BB_PBB_MAPPING.
3059         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3060         (gloog): Change declaration.
3061         (mark_loop_parallel): Make extern.
3062         (free_aux_in_new_loops): Declare.
3063         (bb_pbb_map_hash): New.
3064         (eq_bb_pbb_map): New.
3065         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3066         auto parallelization when flag_graphite_force_parallel is set.
3067         (graphite_finalize): Added free_aux_in_new_loops.
3068         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3069         the innermost loop that marked parallel.  Use
3070         flag_graphite_force_parallel instead of loop->can_be_parallel.
3071         (loop_parallel_p): Move inner most checking out of function.
3072
3073 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3076         type of lower and upper bound of loops signed long int.
3077
3078 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3079
3080         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3081         expression outside the loop.
3082
3083 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3084
3085         * gcc.dg/graphite/interchange-8.c: New.
3086
3087 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3088
3089         * gcc.dg/graphite/interchange-0.c: XFailed.
3090         * gcc.dg/graphite/interchange-5.c: XFailed.
3091         * gcc.dg/graphite/interchange-6.c: XFailed.
3092
3093 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * graphite-interchange.c (compute_array_size_poly): The end of the
3096         recursion should return 1.
3097
3098 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3099
3100         * graphite-interchange.c (compute_array_size_cstr): Allow the
3101         subscript multiplier to be -1.
3102         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3103         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3104         data_container.  Initializes PDR_DATA_CONTAINER.
3105         (print_pdr_access_layout): New.
3106         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3107         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3108         data_container.
3109         (PDR_DATA_CONTAINER): New.
3110         (new_poly_dr): Update declaration.
3111         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3112         (build_poly_dr): Call pdr_add_data_dimensions.
3113
3114 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * graphite-poly.h (struct poly_dr): Fix comment.
3117         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3118         (pdr_add_memory_accesses): New.
3119         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3120
3121 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3124         (print_pbb): Add call to print_pdrs.
3125         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3126
3127 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3128             Li Feng <nemokingdom@gmail.com>
3129
3130         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3131         (dependency_between_pbbs_p): New.
3132         (lexicographically_gt_p): Assure !empty_p before polyhedron
3133         intersection assign.
3134         (build_lexicographically_gt_constraint): Correct lexicographically
3135         judging.
3136         * graphite-dependences.h: New.
3137         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3138
3139 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3142         (gloog): Print to dump_file the generated clast.
3143         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3144         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3145
3146 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3147
3148         * graphite-poly.c (extend_scattering): Increment
3149         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3150
3151 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * graphite-interchange.c (compute_array_size_poly): Added exit of
3154         recursion condition.  Continue iterating even after the first equality.
3155         (compute_array_size): Same.
3156
3157 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3158
3159         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3160         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3161         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3162         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3163         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3164
3165 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3166
3167         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3168         only when the use verifies is_gimple_reg.
3169
3170 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3171
3172         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3173         Allocate scaldims after call to unify_scattering_dimensions.
3174
3175 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3176
3177         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3178
3179 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3180             Albert Cohen  <albert.cohen@inria.fr>
3181
3182         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3183         variables for the strip mining.
3184
3185 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3186             Pranav Garg  <pranav.garg2107@gmail.com>
3187
3188         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3189         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3190         (graphite-blocking.o): New rule.
3191         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3192         * graphite-blocking.c: New.
3193         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3194         flag_loop_strip_mine.
3195         (psct_scattering_dim_for_loop_depth): New.
3196         * graphite-poly.h (scop_do_strip_mine): Declared.
3197         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3198         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3199         flag_loop_strip_mine.
3200
3201 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3204         a GMP value and a PPL coefficient at each iteration of a loop.
3205
3206 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         * graphite-dependences.c (dependence_polyhedron): Do not use
3209         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3210         pbb_nb_scattering_transform.
3211         (graphite_legal_transform_dr): Same.
3212         * graphite-poly.c (extend_scattering): Same.
3213         (unify_scattering_dimensions): Same.
3214         (print_scattering_function): Same.
3215         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3216         PBB_NB_LOCAL_VARIABLES.
3217         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3218         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3219         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3220         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3221         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3222         (pbb_nb_scattering_transform): New.
3223         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3224         (psco_scattering_dim): Add assert on parameters.
3225         (psct_scattering_dim): Same.
3226         (psct_scattering_dim_for_loop_depth): Declared.
3227         (psct_local_var_dim): New.
3228         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3229         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3230         correct layout, call pbb_nb_local_vars.
3231         (psct_add_local_variable, psct_add_scattering_dimension): New.
3232         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3233         Initialize PBB_NB_SCATTERING_TRANSFORM.
3234
3235 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3238         (set_coef): Renamed ppl_set_coef.
3239         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3240
3241 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3242
3243         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3244         test a boolean against 1.
3245         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3246         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3247         (pbb_do_interchange): Returns true when a transform has been performed.
3248         (scop_do_interchange): Same.
3249         * graphite-poly.c (apply_poly_transforms): Use the return value of
3250         scop_do_interchange.
3251         * graphite-poly.h (scop_do_interchange): Update declaration.
3252
3253 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3254
3255         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3256         after last use.
3257         * sese.c (sese_reset_aux_in_loops): New.
3258         * sese.h (sese_reset_aux_in_loops): New.
3259
3260 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3263         multiplier and multiply the constant by the multiplier.
3264         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3265         (build_poly_dr): Do not use the multiplier to define the subscript.
3266
3267 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3270         compiler's data reference.  Initialize PDR_CDR.
3271         (print_pdr): Call dump_data_reference.
3272         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3273         Add compiler_dr field.
3274         (PDR_BB): Renamed PDR_PBB.
3275         (PDR_CDR): New.
3276         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3277         GCC's data reference representation.
3278         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3279         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3280
3281 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3282
3283         * graphite-poly.c (print_scattering_function): Also print the layout.
3284         * graphite-poly.h (pbb_nb_local_vars): New.
3285
3286 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3287
3288         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3289
3290 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3291
3292         * graphite-poly.c (print_pdr, debug_pdr): New.
3293         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3294         (PDR_BASE): Removed.
3295
3296 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3297
3298         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3299         ltrans-{1..6,8}.c.
3300
3301 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3304         subscript identification column.
3305         (pbb_do_interchange): Print to dump_file that some loops "will be
3306         interchanged".  Rely on that chain of characters in the testcases.
3307         * gcc.dg/graphite/interchange-0.c: New.
3308         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3309         interchange-*.c files and compile them with -floop-interchange.
3310
3311 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3312
3313         * graphite-interchange.c (interchange_profitable_p): Renamed
3314         pbb_interchange_profitable_p.
3315
3316 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3317             Harsha Jagasia  <harsha.jagasia@amd.com>
3318             Pranav Garg  <pranav.garg2107@gmail.com>
3319
3320         * graphite-interchange.c (interchange_profitable_p): Make static.
3321         (pbb_interchange_loop_depths, pbb_do_interchange,
3322         scop_do_interchange): New.
3323         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3324         for flag_loop_interchange.
3325         * graphite-poly.h (scop_do_interchange): Declared.
3326         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3327         flag_loop_interchange is used.
3328
3329 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331         * graphite-dependences.c (dependence_polyhedron): Update use of
3332         pbb_nb_scattering_dims.
3333         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3334         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3335         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3336         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3337
3338 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * graphite.c: Cleanup foo.
3341
3342 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3343
3344         * Merge from mainline (r143684:148293).
3345         * Disabled libpcp until it gets fixed.
3346
3347 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3348             Harsha Jagasia  <harsha.jagasia@amd.com>
3349
3350         * graphite-interchange.c: New.
3351         * Makefile.in (graphite-interchange.o): New.
3352         * graphite-poly.h (interchange_profitable_p): Declared.
3353         * graphite-ppl.h (value_max): New.
3354
3355 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3358         * graphite-poly.h: Fix some comments.
3359         (pdr_dim): New.
3360         (pdr_scop): New.
3361
3362 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * graphite-poly.h
3365         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3366         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3367         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3368         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3369         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3370         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3371         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3372         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3373         * graphite-clast-to-gimple.c: Same.
3374         * graphite-dependences.c: Same.
3375         * graphite-poly.c: Same.
3376         * graphite-sese-to-poly.c: Same.
3377
3378 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3379
3380         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3381         expressions for an IV rename, as returned by clast_to_gcc_expression.
3382         (copy_renames): Rename new_name to expr.
3383         * sese.c (debug_rename_elt): Same.
3384         (get_rename): Same.
3385         (set_rename): Same.
3386         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3387         the information from the rename map.
3388         (rename_variables_in_stmt): Same.
3389         (add_loop_exit_phis): Rename new_name to expr.
3390         (insert_loop_close_phis): Same.
3391         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3392         * sese.h (struct rename_map_elt): Rename new_name to expr.
3393         (new_rename_map_elt): Same.
3394
3395 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3396
3397         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3398         * sese.c (set_rename): Make it extern.
3399         * sese.h (set_rename): Declared.
3400
3401 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3402
3403         * graphite-poly.c (extend_scattering): Free values.
3404         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3405         Free iterators.
3406         (ppl_print_powerset_matrix): Same.
3407         * graphite-scop-detection.c (free_scops_1): New.
3408         (limit_scops): Call free_scops_1.
3409         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3410         (build_poly_dr): Free PPL coefficients.
3411         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3412
3413 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3414
3415         * graphite-dependences.c: New.
3416         * graphite-data-ref.c: Removed.
3417         * graphite-data-ref.h: Removed.
3418         * Makefile.in (graphite-data-ref.o): Removed.
3419         (graphite-dependences.o): Added.
3420         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3421         * graphite-poly.c: Same.
3422         Move the data dependence testing to graphite-dependences.c.
3423
3424 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3425
3426         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3427         from graphite_cannot_represent_loop. Code refactored.
3428         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3429
3430 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3431
3432         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3433         Cover all the testcases (not only the filtered ones).
3434
3435 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3436
3437         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3438         unnecessary check. Update comments. Move check for REAL_TYPE here.
3439         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3440         done in (stmt_simple_for_scop_p).
3441
3442 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3443
3444         * graphite.c (print_global_statistics): New.
3445         (print_graphite_scop_statistic): New.
3446         (print_graphite_statistics): New.
3447         (graphite_initialize, graphite_transform_loops): Print statistics.
3448         * graphite-scop-detection (build_scops): Print statistics.
3449         (print_graphite_scop_statistics): New.
3450         (print_graphite_statistics): New.
3451
3452 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3455         (debug_clast_name_index): Removed.
3456         (debug_clast_name_indexes_1): Removed.
3457         (debug_clast_name_indexes): Removed.
3458         (clast_name_index_elt_info): Removed.
3459         (eq_clast_name_indexes): Removed.
3460         (clast_name_to_index): Removed.
3461         (new_clast_name_index): Removed.
3462         (save_clast_name_index): Removed.
3463         (save_var_name): Moved...
3464         (init_sese_params_index): Removed.
3465         (clast_name_to_gcc): Remove use of name_tree.
3466         (initialize_cloog_names): Same.
3467         (gloog): Do not call init_sese_params_index.
3468         * graphite-sese-to-poly.c (save_var_name): ...here.
3469         (parameter_index_in_region): New.
3470         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3471         (parameter_index_in_region): Removed.
3472         (is_parameter): Remove use of name_tree.
3473         * sese.h (struct name_tree): Removed.
3474         (struct sese): Remove use of name_tree.  New field params_names.
3475         (SESE_PARAMS_NAMES): New.
3476         (SESE_PARAMS): Remove duplicate.
3477         (parameter_index_in_region): Removed.
3478         (sese_nb_params): Remove use of name_tree.
3479         (struct clast_name_index): New.
3480         (new_clast_name_index): New.
3481         (clast_name_to_index): New.
3482         (save_clast_name_index): New.
3483         (debug_clast_name_index): New.
3484         (debug_clast_name_indexes_1): New.
3485         (debug_clast_name_indexes): New.
3486         (clast_name_index_elt_info): New.
3487         (eq_clast_name_indexes): New.
3488
3489 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3490
3491         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3492         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3493         (graphite_loop_normal_form): Do not pass region.  Do not
3494         initialize SESE_OLDIVS.
3495         (build_graphite_loop_normal_form): Update call to
3496         graphite_loop_normal_form.
3497         * sese.c (debug_oldivs): Removed.
3498         (new_sese): Do not initialize SESE_OLDIVS.
3499         (free_sese): Do not free SESE_OLDIVS.
3500         (oldiv_for_loop): Removed.
3501         * sese.h (struct sese): Remove old_ivs.
3502         (SESE_OLDIVS): Removed.
3503         (oldiv_for_loop): Removed.
3504
3505 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3506
3507         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3508         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3509         replaced by a call to newivs_to_depth_to_newiv.
3510         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3511         (clast_to_gcc_expression_red): Same.
3512         (gcc_type_for_clast_expr): Same.
3513         (gcc_type_for_clast_eq): Same.
3514         (graphite_translate_clast_equation): Same.
3515         (graphite_create_guard_cond_expr): Same.
3516         (graphite_create_new_guard): Same.
3517         (graphite_create_new_loop): Same.
3518         (build_iv_mapping): Same.
3519         (translate_clast): Same.
3520         (gloog): Same.
3521         (loop_iv_stack_patch_for_consts): Removed.  *
3522         sese.c (iv_stack_entry_is_constant): Removed.
3523         (iv_stack_entry_is_iv): Removed.
3524         (loop_iv_stack_push_iv): Removed.
3525         (loop_iv_stack_insert_constant): Removed.
3526         (loop_iv_stack_pop): Removed.
3527         (loop_iv_stack_get_iv): Removed.
3528         (loop_iv_stack_get_iv_from_name): Removed.
3529         (debug_loop_iv_stack): Removed.
3530         (free_loop_iv_stack): Removed.
3531         (loop_iv_stack_remove_constants): Removed.  *
3532         sese.h (iv_stack_entry_kind): Removed.
3533         (iv_stack_entry_data_union): Removed.
3534         (iv_stack_entry_struct): Removed.
3535         (iv_stack_entry_p): Removed.
3536         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3537         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3538         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3539         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3540         (gbb_loop_at_index): Fix indenting.
3541         (gbb_loop_index): Removed.
3542
3543 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3544
3545         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3546         Call clast_name_to_index.
3547
3548 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3549
3550         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3551         do not pass params.  Get params from SESE_PARAMS.
3552         (clast_to_gcc_expression): Same.
3553         (clast_to_gcc_expression_red): Same.
3554         (gcc_type_for_clast_eq): Same.
3555         (graphite_translate_clast_equation): Same.
3556         (graphite_create_new_loop): Same.
3557         * sese.c (rename_variables_in_stmt): Fix comment.
3558
3559 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3560
3561         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3562         newivs_index.
3563         Call save_clast_name_index.
3564         (translate_clast): Pass newivs_index.
3565         (gloog): Create and free newivs_index.
3566
3567 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3568
3569         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3570         (clast_name_index_p): New type.
3571         (debug_clast_name_index): New.
3572         (debug_clast_name_indexes_1): New.
3573         (debug_clast_name_indexes): New.
3574         (clast_name_index_elt_info): New.
3575         (eq_clast_name_indexes): New.
3576         (clast_name_to_index): New.
3577         (new_clast_name_index): New.
3578         (save_clast_name_index): New.
3579         (init_sese_params_index): New.
3580         (gloog): Call init_sese_params_index.
3581         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3582         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3583         (free_sese): Free SESE_PARAMS_INDEX.
3584         * sese.h (struct sese): Add params_index.
3585         (SESE_PARAMS_INDEX): New.
3586
3587 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3588
3589         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3590         (graphite_create_new_loop): Pass the newivs vector.  Push the
3591         newly created IV to newivs.
3592         (translate_clast): Pass the newivs vector.
3593         (gloog): Create and destroy the newivs vector.
3594
3595 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3598         (graphite_loop_normal_form): Initialize loop->aux with the unique
3599         IV that has been created.
3600
3601 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3602
3603         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3604         scev with parameters in the base part. They where forbidden
3605         exidently.
3606
3607 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3608
3609         * gcc.dg/graphite/graphite.exp: Set different default
3610         compile options by file names.
3611         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3612         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3613         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3614         * gcc.dg/graphite/scop-matmult.c: Ditto.
3615
3616 2009-05-08  Li Feng <nemokingdom@gmail.com>
3617
3618         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3619         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3620         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3621         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3622
3623 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3624
3625         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3626         by final cleanup.
3627
3628 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3629
3630         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3631         allow integer constant strides.
3632         (graphite_can_represent_expr): Depend on outermost_loop.
3633         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3634         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3635         build_scops_1): Same.
3636         (scopdet_basic_block_info): Same and insert layered SCoP
3637         detection.
3638         (try_generate_gimple_bb): Cleanup.
3639         (build_scops): Enable data references.
3640
3641         * gcc.dg/graphite/id-5.c: New.
3642         * gcc.dg/graphite/id-9.c: New.
3643         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3644         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3645
3646 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3647
3648         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3649         that we have not yet built for this SCoP.
3650
3651 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3652
3653         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3654         for complex numbers.
3655
3656 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3657
3658         * graphite-ppl.c: Fix build if cloog is not available.
3659
3660 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3661
3662         * tree-parloops.c (loop_parallel_p): Remove construction of
3663         NITER and REDUCTION_LIST.
3664         (try_get_loop_niter): New.
3665         (try_create_reduction_list): New.
3666         (parallelize_loops): Bypass the failed checkings in autopar
3667         when can_be_parallel in loop structure is set to true.
3668
3669 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3670
3671         * gcc.dg/graphite/id-6.c: Update testcase.
3672         * gcc.dg/graphite/scop-3.c: Dito.
3673
3674 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3675
3676         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3677         Enable EQ_EXPR and NE_EXPR again.
3678
3679 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3680
3681         * graphite-scop-detection.c (graphite_can_represent_scev):
3682         Add check if scev is affine multivariate.
3683         (harmful_stmt_in_bb): Check if we can represent the conditions.
3684         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3685         harmful_stmt_in_bb.
3686         * gcc.dg/graphite/id-7.c: New.
3687
3688 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3689
3690         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3691         Check all bbs in region, not only the bbs that are represented in
3692         GRAPHITE.
3693         (build_poly_scop): Add newline.
3694         * gcc.dg/graphite/id-8.c: New.
3695
3696 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3697
3698         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3699         when loop initialize.
3700         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3701         * common.opt: Declare flag_graphite_force_parallel.
3702         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3703         loop parallel.
3704         * graphite-poly.c (apply_poly_transforms): Introduce
3705         flag_graphite_force_parallel.
3706         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3707         * toplev.c (process_options): ditto and replace a not correctly
3708         encoded space.
3709
3710 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3711
3712         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3713         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3714         to the redefinition.
3715         (compute_cloog_iv_types_1): ditto.
3716         (build_iv_mapping): ditto.
3717         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3718         initialization.
3719         (free_gimple_bb): Removed GBB_LOOPS related free part.
3720         (build_bb_loops): Removed.
3721         * sese.h (struct gimple_bb): Removed loops.
3722         (GBB_LOOPS): Removed.
3723         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3724         (gbb_loop_index): ditto.
3725
3726 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3727
3728         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3729         allow non constant strides.
3730         * gcc.dg/graphite/scop-20.c: New.
3731
3732 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3733
3734         * graphite-scop-detection.c (dot_all_scops): Fix system call
3735         return value warning.
3736         (dot_scop): Same.
3737
3738 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3739
3740         * gcc.dg/graphite/id-6.c: Fix pattern.
3741         * gcc.dg/graphite/scop-3.c: Same.
3742
3743 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3744
3745         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3746         build_pairwise_constraint, dr_equality_constraints,
3747         build_pairwise_scheduling_equality,
3748         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3749         build_lexicographically_gt_constraint, dependence_polyhedron,
3750         graphite_legal_transform_dr, graphite_legal_transform_bb,
3751         graphite_legal_transform): New.
3752         * graphite-poly.h (graphite_legal_transform): Declared.
3753         * graphite-sese-to-poly.c (build_poly_scop): Call to
3754         graphite_legal_transform is disabled for the moment.
3755
3756 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3757
3758         * graphite-poly.h (pbb_nb_scattering_dims): New.
3759         (pbb_nb_scattering): Use it.
3760
3761 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3764         Pointset_Powerset version of ppl_insert_dimensions.
3765         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3766
3767 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3768
3769         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3770
3771 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         * graphite-poly.h: Fix comment.
3774
3775 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3776
3777         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3778
3779 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3780
3781         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3782         statements.
3783
3784 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3785
3786         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3787         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3788         conditions.
3789
3790 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3793         handle EQ_EXPR and NE_EXPR.
3794
3795 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3796
3797         * graphite-poly.h (poly_dr): Fix comment.
3798
3799 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3800             Tobias Grosser  <grosser@fim.uni-passau.de>
3801
3802         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3803         with a zero dimension polyhedron.
3804         (find_scop_parameters): Move the call to scop_set_nb_params here.
3805         (build_loop_iteration_domains): Store in loop->aux the iteration
3806         domain polyhedron.
3807         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3808         by any loop in scop.
3809         (build_poly_scop): Do not call scop_set_nb_params.
3810
3811 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3812             Tobias Grosser  <grosser@fim.uni-passau.de>
3813
3814         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3815         add_condition_to_domain not GT_EXPR.
3816
3817 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3818
3819         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3820         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3821         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3822         upper_bound_assign to calculate unions.
3823         * gcc.dg/graphite/id-6.c: New.
3824
3825 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3826
3827         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3828         handle abnormal edges.
3829
3830 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3831
3832         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3833         (free_poly_bb): Also free poly_drs.
3834         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3835         (poly_dr): Polyhedron to Pointset_Powerset.
3836         (pdr_accessp_nb_subscripts): Same.
3837         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3838         poly_drs.
3839
3840 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3841
3842         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3843         names into more meaningful names.
3844
3845 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3846
3847         * gfortran.dg/graphite/interchange-1.c: New.
3848         * gfortran.dg/graphite/interchange-2.c: New.
3849
3850 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3851
3852         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3853         the reduction_list.
3854         * tree-parloops.c (rewrite_phi_with_iv): New.
3855         (rewrite_all_phi_nodes_with_iv): New.
3856         (canonicalize_loop_ivs): Call them.
3857
3858 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3859
3860         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3861         graphite_find_data_references_in_stmt.
3862         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3863         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3864
3865 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3868
3869 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3870
3871         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3872         instead of bb_in_region.
3873         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3874         (build_sese_conditions): Use flag_bb_in_sese.
3875         * sese.c (register_bb_in_sese): Removed.
3876         (new_sese): Remove initialization of SESE_REGION_BBS.
3877         (free_sese): Do not free SESE_REGION_BBS.
3878         * sese.h (struct sese): Remove field region_basic_blocks.
3879         (SESE_REGION_BBS): Removed.
3880         (bb_in_sese_p): Implement in function of bb_in_region.
3881
3882 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3883
3884         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3885         loops.
3886
3887 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3888
3889         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3890         and EQ_EXPR.
3891         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3892         (add_condition_to_domain): New.
3893         (add_condition_to_pbb): New.
3894         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3895         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3896
3897 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3898
3899         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3900         ppl_Pointset_Powerset.
3901         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3902         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3903         (pbb_nb_loops): Same.
3904         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3905         add_conditions_to_domain): Same.
3906         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3907         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3908         ppl_const_Polyhedron_t.
3909         (ppl_print_powerset_matrix): New.
3910         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3911         ppl_print_powerset_matrix): New.
3912         (ppl_print_polyhedron_matrix): Updated.
3913
3914 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3915
3916         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3917
3918 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3919
3920         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3921         (print_iteration_domains, debug_iteration_domain,
3922         debug_iteration_domains): New.
3923         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3924         debug_iteration_domains): Declared.
3925         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3926         indenting.
3927
3928 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3929             Sebastian Pop  <sebastian.pop@amd.com>
3930
3931         * graphite-poly.h (print_iteration_domain): New.
3932         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3933         (build_sese_conditions_1, build_sese_conditions_after,
3934         build_sese_conditions_before): New.
3935         (build_sese_conditions): Rewritten.
3936
3937 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3938             Tobias Grosser  <grosser@fim.uni-passau.de>
3939
3940         Cleanup of code generation liveouts.
3941         * graphite-clast-to-gimple.c (translate_clast): Use a single
3942         rename_map instead of one per translated statement.
3943         Do not use SESE_LIVEOUT_RENAMES.
3944         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3945         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3946         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3947         phi node of a reduction: when a loop contains a reduction used outside
3948         the loop, there should be a scalar close phi node on the exit block.
3949         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3950         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3951         (free_sese): Do not free them.
3952         (sese_build_liveouts_use): Do not use them.
3953         (sese_build_liveouts_bb): Same.
3954         (sese_build_liveouts): Same.
3955         (sese_insert_phis_for_liveouts): Same.
3956         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3957         (defined_in_loop_p): New.
3958         (alive_after_loop): New.
3959         (close_phi_not_yet_inserted_p): New.
3960         (struct alep, alep_p): New.
3961         (add_loop_exit_phis): Remove from the rename_map all the names defined
3962         in the code generated loop.
3963         (insert_loop_close_phis): Traverse the rename_map passed to it.
3964         Don't use SESE_LIVEOUT_RENAMES.
3965         (default_liveout_before_guard): Renamed default_before_guard.
3966         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3967         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3968         (register_sese_liveout_renames): Removed.
3969         (copy_bb_and_scalar_dependences): Do not call it.
3970         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3971         reduction_list.
3972         (SESE_LIVEOUT): Removed.
3973         (SESE_LIVEOUT_RENAMES): Removed.
3974         (SESE_REDUCTION_LIST): Removed.
3975         (sese_build_liveouts): Removed.
3976         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3977         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3978         (insert_guard_phis): Same.
3979         (rename_map_elt): Declare a VEC of them.
3980         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3981         trees not pointers to trees.
3982
3983         Rewrite in canonical close SSA form:
3984         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3985         (limit_scops): Close the scop after the block containing the close phi
3986         nodes.
3987         (canonicalize_loop_closed_ssa): New.
3988         (canonicalize_loop_closed_ssa_form): New.
3989         (build_scops): Call canonicalize_loop_closed_ssa_form.
3990
3991         * graphite-sese-to-poly.c: Fix typos.
3992
3993 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3994
3995         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3996         Extended.
3997         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3998         (print_pbb): Add conditions.
3999
4000 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4001             Sebastian Pop  <sebastian.pop@amd.com>
4002
4003         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4004         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4005         (build_scop_bbs_1): New.
4006         (build_scop_bbs): Rewrite.
4007         * sese.h (bb_in_region): New.
4008
4009 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4010
4011         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4012         poly_drs vector.
4013         (print_scop): Style.
4014         * graphite-poly.h (poly_bb): Add drs vector.
4015         (PBB_DRS): Add accessor.
4016         * graphite-sese-to-poly.c (build_poly_dr): New.
4017         (build_pbb_drs, build_scop_drs): New.
4018         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4019
4020 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4021
4022         * tree-ssa-loop.c: Include forgotten toplev.h
4023
4024 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4025
4026         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4027         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4028         * gcc.dg/graphite/pr37928.c: Same
4029         * gcc.dg/graphite/pr38409.c: Same
4030         * gcc.dg/graphite/pr38498.c: Same
4031         * gcc.dg/graphite/pr38559.c: Same
4032         * gcc.dg/graphite/pr39335.c: Same
4033         * gcc.dg/graphite/pr39335_1.c: Same
4034         * gfortran.dg/graphite/block-2.f: Same
4035         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4036         with -floop-*.
4037
4038 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4039
4040         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4041         build_access_matrix, build_scop_data_accesses): Remove access function
4042         building. (We get a new version soon).
4043         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4044         * sese.h (nb_loops_around_loop_in_sese): Remove.
4045         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4046
4047 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4048             Sebastian Pop  <sebastian.pop@amd.com>
4049
4050         * graphite-scop-detection.c (struct scopdet_info): Rename last
4051         field to exit.
4052         (scopdet_basic_block_info, build_scops_1): Don't use
4053         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4054
4055 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4056             Sebastian Pop  <sebastian.pop@amd.com>
4057
4058         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4059         * sese.c (sese_build_liveouts_use): Renamed from
4060         sese_build_livein_liveouts_use. Remove liveins.
4061         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4062         Call sese_build_liveouts_use.
4063         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4064         Call sese_build_liveouts_bb.
4065         (new_sese, free_sese): Remove liveins.
4066         (sese_add_exit_phis_var): Deleted.
4067         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4068         directly.
4069         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4070
4071         * sese.h (sese): Remove num_ver and livein.
4072         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4073
4074 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4075
4076         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4077
4078 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4079
4080         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4081         (build_scop_scattering): Do not use compare_prefix_loops any more.
4082         (nb_common_loops): New.
4083
4084 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4085
4086         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4087         (register_old_and_new_names): Renamed set_rename.
4088
4089 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4090
4091         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4092         of the decl from the previous commit.
4093
4094 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4095
4096         * graphite-scop-detection.c (dot_scop): New.
4097         * graphite-scop-detection.h (dot_scop): Declared.
4098
4099 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4100
4101         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4102
4103 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4104
4105         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4106         condition at the end of the loop.
4107         * graphite.c (graphite_initialize, graphite_finalize): Print to
4108         dump_file the compiled function.
4109         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4110         of create_empty_loop_on_edge.
4111         (translate_clast): Update the code generation of loops for the new
4112         shape of loops.
4113         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4114
4115 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4116
4117         Reverted the patch from 2009-03-19.
4118
4119 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4120
4121         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4122         poly_drs vector.
4123         (print_scop): Style.
4124         * graphite-poly.h (poly_bb): Add drs vector.
4125         (PBB_DRS): Add accessor.
4126         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4127         (build_access_matrix_with_af, build_access_matrix,
4128         build_scop_data_accesses): Delete.
4129         (build_poly_dr): New.
4130         (build_pbb_drs, build_scop_drs): New.
4131         (build_poly_scop): call build_scop_drs.
4132
4133 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4134
4135         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4136         once per basic block.
4137
4138 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4139
4140         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4141         (graphite_can_represent_expr): Renamed from loop_affine_expr
4142         and enhanced.
4143         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4144         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4145         (scopdet_basic_block_info): Actually define entry_block.
4146         (stmt_simple_memref_p): Moved here from ...
4147
4148         * tree-data-ref.c (stmt_simple_memref_p): here.
4149         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4150
4151 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4152
4153         * gcc.dg/graphite/id-4.c: New.
4154
4155 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4156
4157         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4158         (register_old_and_new_names): Update the content of the map.
4159         When there was already a rename_map_elt in the map at that
4160         location, free it.
4161         (copy_bb_and_scalar_dependences): Do rename_variables after
4162         expand_scalar_variables.
4163         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4164         of the map.  When there was already a rename_map_elt in the
4165         map at that location, free it.
4166         (translate_clast): Pass the rename_map.  Do not initialize and free
4167         a rename_map per stmt_user.
4168         (gloog): Initialize and free one rename_map and pass it to
4169         translate_clast.
4170
4171 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4172
4173         * sese.c (expand_scalar_variables_stmt,
4174         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4175         parameter.
4176         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4177         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4178         the gimple_stmt_iterator of the statement to be expanded.
4179         * graphite-scop-detection.c (is_simple_operand): Do handle
4180         REALPART_EXPR.
4181
4182 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4183
4184         * graphite-scop-detection.c (is_simple_operand): Do not handle
4185         REALPART_EXPR.
4186         * gcc.dg/graphite/id-2.c: New.
4187
4188         * graphite-sese-to-poly.c (build_bb_loops,
4189         add_value_to_dim, scan_tree_for_params_right_scev,
4190         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4191         find_params_in_bb, build_loop_iteration_domains,
4192         add_conditions_to_domain): Remove subtract.
4193
4194 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4195
4196         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4197         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4198         pbb_loop_at_index -> gbb_loop_at_index.
4199         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4200         (debug_loop_vec): Delete.
4201         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4202         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4203         (PBB_LOOPS): Removed.
4204         (PBB_BLACK_BOX): Insert cast.
4205         (pbb_set_black_box): New setter.
4206         (pbb_loop_at_index, pbb_loop_index): Removed.
4207         (scop_set_region, scop_set_nb_params): New.
4208         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4209         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4210         (build_poly_scop): Use scop_set_nb_params.
4211         * sese.h (gimple_bb): Add LOOPS.
4212         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4213
4214 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4215
4216         Revert previous commit.
4217
4218 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4219
4220         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4221         (register_old_and_new_names): Update the content of the map.
4222         When there was already a rename_map_elt in the map at that
4223         location, free it.
4224         (copy_bb_and_scalar_dependences): Do rename_variables after
4225         expand_scalar_variables.
4226         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4227         of the map.  When there was already a rename_map_elt in the
4228         map at that location, free it.
4229         (translate_clast): Pass the rename_map.  Do not initialize and free
4230         a rename_map per stmt_user.
4231         (gloog): Initialize and free one rename_map and pass it to
4232         translate_clast.
4233
4234 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4235
4236         Remove forgotten line in revert.
4237
4238 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4239
4240         Revert previous commit.
4241
4242 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4243
4244         * sese.c (register_old_and_new_names): Update the content
4245         of the map.  When there was already a rename_map_elt in the
4246         map at that location, free it.
4247         (copy_bb_and_scalar_dependences): Do rename_variables after
4248         expand_scalar_variables.
4249         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4250         of the map.  When there was already a rename_map_elt in the
4251         map at that location, free it.
4252         (translate_clast): Pass the rename_map.  Do not initialize and free
4253         a rename_map per stmt_user.
4254         (gloog): Initialize and free one rename_map and pass it to
4255         translate_clast.
4256
4257 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4258
4259         * graphite-clast-to-gimple.c (translate_clast): context_loop
4260         is never NULL.
4261
4262 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4263             Sebastian Pop  <sebastian.pop@amd.com>
4264
4265         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4266         of the use of ppl_Polyhedron_map_space_dimensions.
4267
4268 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4269             Sebastian Pop  <sebastian.pop@amd.com>
4270
4271         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4272         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4273         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4274         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4275         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4276         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4277         pbb_nb_params): New.
4278         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4279         nb_loops_around_pbb): Adapt return types.
4280
4281 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4282
4283         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4284         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4285         graphite-scop-detection.o, graphite-poly.o): Add
4286         more headers.
4287
4288 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4289
4290         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4291         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4292         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4293
4294 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4295
4296         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4297         * gcc.dg/graphite/pr37828.c: Same.
4298         * gcc.dg/graphite/pr37684.c: Same.
4299         * gcc.dg/graphite/block-0.c: Same.
4300         * gcc.dg/graphite/block-1.c: Same.
4301         * gcc.dg/graphite/block-2.c: Same.
4302         * gcc.dg/graphite/block-3.c: Same.
4303         * gcc.dg/graphite/block-4.c: Same.
4304         * gcc.dg/graphite/block-5.c: Same.
4305         * gcc.dg/graphite/block-6.c: Same.
4306         * gfortran.dg/graphite/pr38083.f90: Same.
4307         * gfortran.dg/graphite/block-1.f90: Same.
4308         * gfortran.dg/graphite/block-3.f90: Same.
4309         * gfortran.dg/graphite/pr37852.f90: Same.
4310         * gfortran.dg/graphite/block-4.f90: Same.
4311         * gfortran.dg/graphite/pr37980.f90: Same.
4312         * gfortran.dg/graphite/pr38953.f90: Same.
4313         * gfortran.dg/graphite/pr37857.f90: Same.
4314         * opts.c: Remove -floop-block from -O2.
4315         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4316         -floop-strip-mine are used.
4317
4318 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4319             Sebastian Pop  <sebastian.pop@amd.com>
4320
4321         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4322         dimensions.
4323         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4324         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4325         strip_mine_profitable_p, is_interchange_valid,
4326         graphite_trans_bb_block, graphite_trans_loop_block,
4327         graphite_trans_scop_block): Temporary removed.
4328         (extend_scattering, unify_scattering_dimensions): New.
4329         (print_scattering_function, graphite_read_transforms):
4330         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4331         (graphite_generate_scattering_fns): Removed.
4332         (apply_poly_transforms): Cleanup.
4333         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4334         (schedule_to_scattering): Moved.
4335         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4336         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4337         (pbb_nb_scattering): New.
4338         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4339         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4340         Removed.
4341         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4342         shift_poly.
4343         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4344         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4345         -> PBB_TRANSFORMED_SCATTERING.
4346         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4347         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4348         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4349         (check_poly_representation): Do not return bool.
4350         (graphite_transform_loops): Reformat.
4351         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4352
4353 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4354
4355         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4356         debug_pbb_domain, debug_pbb, debug_scop): New.
4357         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4358         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4359
4360 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4361
4362         PR middle-end/39335
4363         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4364         when the type precision of the induction variable should be
4365         larger than the type precision of nit.
4366         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4367         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4368         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4369
4370         * gcc.dg/graphite/pr39335_1.c: New.
4371         * gcc.dg/graphite/pr39335.c: New.
4372
4373 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4374
4375         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4376         SSA_NAMES not struct reduction_info.
4377
4378 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4381
4382 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4383             Tobias Grosser  <grosser@fim.uni-passau.de>
4384
4385         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4386         (free_sese): Free SESE_REDUCTION_LIST.
4387         * sese.h (struct sese): Add field reduction_list.
4388         (SESE_REDUCTION_LIST): New.
4389         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4390         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4391
4392 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4393             Tobias Grosser  <grosser@fim.uni-passau.de>
4394
4395         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4396         of loop_p.
4397
4398 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4399             Tobias Grosser  <grosser@fim.uni-passau.de>
4400
4401         * tree-parloops.c (struct brli, build_reduction_list_info,
4402         analyze_reduction_list, gather_scalar_reductions): New.
4403         (loop_parallel_p): Build a reduction list containing only
4404         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4405         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4406         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4407         * tree-flow.h (gather_scalar_reductions): Declared.
4408
4409 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4410
4411         PR middle-end/39308
4412         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4413         number_of_iterations_exit from a gcc_assert.
4414
4415 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4416             Jan Sjodin  <jan.sjodin@amd.com>
4417
4418         * output.h (graphite_out_file, graphite_in_file): Declared.
4419         * toplev.c (graphite_out_file, graphite_in_file): New.
4420         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4421         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4422         Don't call schedule_to_scattering.
4423         * common.opt (fgraphite-write, fgraphite-read): New.
4424         * graphite-poly.c: Include output.h.
4425         (print_scattering_function, print_scattering_functions,
4426         debug_scattering_function, debug_scattering_functions,
4427         graphite_write_transforms, graphite_read_transforms,
4428         graphite_generate_scattering_fns): New.
4429         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4430         Call graphite_generate_scattering_fns, graphite_write_transforms,
4431         graphite_read_transforms.
4432         (new_poly_bb): Initialize PBB_SCATTERING.
4433         (free_poly_bb): Free PBB_SCATTERING.
4434         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4435         * graphite-poly.h (struct poly_bb): Add field scattering.
4436         (PBB_SCATTERING): New.
4437         (print_scattering_function, print_scattering_functions,
4438         debug_scattering_function, debug_scattering_functions): Declared.
4439         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4440         GMP values, not integers!
4441         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4442         ppl_read_polyhedron_matrix): New.
4443         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4444         debug_ppl_polyhedron_matrix,
4445         ppl_read_polyhedron_matrix): Declared.
4446         * Makefile.in (graphite-poly.o): Depends on output.h.
4447
4448 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4449             Tobias Grosser  <grosser@fim.uni-passau.de>
4450
4451         Revert this change:
4452         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4453         scalar evolutions in the scop_entry->loop_father.
4454
4455 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4456             Tobias Grosser  <grosser@fim.uni-passau.de>
4457
4458         * graphite.h (ref_nb_loops): Remove declaration.
4459         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4460         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4461         debug_gbb): Moved to sese.h.
4462         * sese.h: As said.
4463
4464 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4465             Tobias Grosser  <grosser@fim.uni-passau.de>
4466
4467         * graphite-data-ref.[ch]: Disable.
4468
4469 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4470             Tobias Grosser  <grosser@fim.uni-passau.de>
4471
4472         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4473         scalar evolutions in the scop_entry->loop_father.
4474
4475 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4476
4477         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4478         (graphite_cannot_represent_loop_niter): Renamed
4479         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4480         (limit_scops): build_sese_loop_nests does not return a bool.
4481         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4482         * sese.c (nb_reductions_in_loop): ... from here.
4483         (graphite_loop_normal_form): ... from here.
4484         (sese_record_loop): Does not fail, so does not return a bool.
4485         (build_sese_loop_nests): Same.
4486         * sese.h (build_sese_loop_nests): Update declaration.
4487         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4488         (build_graphite_loop_normal_form): New.
4489         (gloog): Call build_graphite_loop_normal_form.
4490         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4491         build_sese_loop_nests.
4492
4493         * gcc.dg/graphite/id-1.c: New.
4494
4495 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4496             Tobias Grosser  <grosser@fim.uni-passau.de>
4497
4498         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4499         The SCoP detection fix is sufficient.
4500
4501 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4502
4503         PR tree-optimization/39260
4504         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4505         the basic block contains a condition with a real type.
4506         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4507
4508         * gcc.dg/graphite/pr39260.c: New.
4509
4510 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4511
4512         * graphite-poly.c: Inlcude params.h.
4513         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4514         the size of a tile.
4515         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4516         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4517
4518 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4519             Tobias Grosser  <grosser@fim.uni-passau.de>
4520
4521         * graphite-scop-detection.c (dot_all_scops_1,
4522         dot_all_scops): Moved here.
4523         * graphite-scop-detection.h (dot_all_scops): Declared here.
4524         * graphite.c (graphite_initialize, graphite_finalize): New.
4525         (graphite_transform_loops): Cleaned up.
4526         * sese.c (debug_oldivs): Moved here.
4527         * graphite-poly.c (graphite_apply_transformations): Renamed
4528         apply_poly_transforms.
4529         (debug_loop_vec): Moved here.
4530         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4531         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4532         find_scop_parameters, build_scop_iteration_domain,
4533         add_conditions_to_constraints, build_scop_canonical_schedules,
4534         build_scop_data_accesses): Now static.
4535         (build_poly_scop, check_poly_representation): New.
4536
4537 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4538
4539         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4540         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4541         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4542         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4543         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4544         scan_tree_for_params, struct irp_data, dx_record_params,
4545         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4546         build_loop_iteration_domains, add_conditions_to_domain,
4547         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4548         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4549         build_sese_conditions, add_conditions_to_constraints,
4550         build_scop_iteration_domain, build_access_matrix_with_af,
4551         build_access_matrix,
4552         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4553
4554         * graphite-sese-to-poly.c: New.
4555         * graphite-sese-to-poly.h: New.
4556
4557         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4558
4559 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4560
4561         * graphite.c: Split graphite code generation to a new file.
4562         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4563         max_precision_type, clast_to_gcc_expression_red,
4564         clast_to_gcc_expression, gcc_type_for_clast_expr,
4565         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4566         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4567         graphite_create_new_guard, clast_get_body_of_loop,
4568         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4569         graphite_create_new_loop, build_iv_mapping, copy_renames,
4570         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4571         compute_cloog_iv_types, free_scattering, save_var_name,
4572         initialize_cloog_names, build_scop_context, build_cloog_prog,
4573         set_cloog_options, debug_clast_stmt, scop_to_clast,
4574         print_generated_program, debug_generated_program,
4575         gloog): Moved to graphite-clast-to-gimple.c.
4576
4577         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4578
4579         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4580         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4581         loop_iv_stack_pop, loop_iv_stack_get_iv,
4582         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4583         free_loop_iv_stack, loop_iv_stack_remove_constants,
4584         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4585         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4586         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4587         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4588         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4589         get_vdef_before_sese, sese_adjust_vphi,
4590         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4591         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4592         is_iv, expand_scalar_variables_ssa_name,
4593         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4594         expand_scalar_variables, rename_variables, remove_condition,
4595         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4596         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4597         default_liveout_before_guard, add_guard_exit_phis,
4598         insert_guard_phis, register_old_and_new_names,
4599         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4600         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4601         if_region_set_false_region, create_if_region_on_edge,
4602         move_sese_in_condition): Moved to sese.c.
4603
4604         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4605         if_region_exit, if_region_get_condition_block,
4606         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4607         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4608         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4609         ivtype_map_elt, new_ivtype_map_elt,
4610         recompute_all_dominators): Moved to sese.h.
4611
4612         * graphite-clast-to-gimple.c: New.
4613         * graphite-clast-to-gimple.h: New.
4614         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4615         * sese.c: Modified as said above.
4616         * sese.h: Same.
4617
4618 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * graphite.c: Split scop detection to a new file.
4621         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4622         move_sd_regions, loop_affine_expr, exclude_component_ref,
4623         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4624         graphite_cannot_represent_loop_niter, struct scopdet_info,
4625         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4626         find_single_entry_edge, find_single_exit_edge,
4627         create_single_entry_edge, sd_region_without_exit,
4628         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4629         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4630         Moved to graphite-scop-detection.c.
4631
4632         * graphite-scop-detection.c: New.
4633         * graphite-scop-detection.h: New.
4634         * Makefile.in: Add new rule for graphite-scop-detection.o.
4635
4636         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4637         tree-scalar-evolution.h.
4638         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4639         build_sese_loop_nests): Moved here from graphite.c.
4640         (param_index): Renamed parameter_index_in_region.
4641
4642 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4643             Sebastian Pop  <sebastian.pop@amd.com>
4644
4645         * gcc.dg/graphite/block-0.c: Expected to fail now.
4646         * gcc.dg/graphite/block-1.c: Same.
4647         * gcc.dg/graphite/block-5.c: Same.
4648         * gcc.dg/graphite/block-6.c: Same.
4649
4650 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4651             Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * graphite.h: Separate from graphite_bb_p the polyhedral
4654         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4655         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4656         graphite-data-ref.h.
4657         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4658         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4659         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4660         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4661         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4662         scop_nb_params): Moved to graphite-poly.h.
4663         * graphite-data-ref.c: Same.
4664         * graphite-data-ref.h: New.
4665         * graphite.c: Same.
4666         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4667         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4668         is_interchange_valid, graphite_trans_bb_block,
4669         graphite_trans_loop_block, scop_max_loop_depth,
4670         graphite_trans_scop_block, graphite_apply_transformations,
4671         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4672         graphite-poly.c.
4673         * graphite-poly.h: New.
4674         * graphite-poly.c: New.
4675         * Makefile.in (OBJS-common): Add graphite-poly.o.
4676         (graphite-poly.o): New rule.
4677         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4678         (DR_SCOP): Removed.
4679
4680 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4681             Tobias Grosser  <grosser@fim.uni-passau.de>
4682
4683         * graphite.c: Replace gb -> gbb.
4684         * graphite.h: Same.
4685         * graphite-data-ref.c: Same.
4686
4687 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4688             Tobias Grosser  <grosser@fim.uni-passau.de>
4689
4690         * Makefile.in (OBJS-commmon): Add sese.o.
4691         (sese.o): New.
4692         (graphite.o): Add sese.h.
4693         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4694         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4695         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4696         Move to sese.
4697         (block_before_scop): Add missing return.
4698         (new_scop, free_scop): Remove SESE data structures.
4699         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4700         find_scop_parameters, build_loop_iteration_domains,
4701         add_conditions_to_domain, register_scop_liveout_renames,
4702         copy_bb_and_scalar_dependences): Scop -> SESE.
4703
4704         (add_conditions_to_domain): SCoP -> SESE and remove check
4705         (scop_contains_non_iv_scalar_phi_nodes): New.
4706         (build_scop_conditions_1, build_scop_conditions): Remove check for
4707         non iv scalar phi nodes.
4708         (print_scop_statistics): New.
4709         (graphite_transform_loops): Cleanup.
4710
4711         * graphite.h: Move to sese & cleanup.
4712         * sese.c: New.
4713         * sese.h: New.
4714
4715 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4716             Tobias Grosser  <grosser@fim.uni-passau.de>
4717
4718         * graphite.c (build_scop_conditions_1): Conditions are only
4719         at the end of a basic block.
4720
4721 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4722             Tobias Grosser  <grosser@fim.uni-passau>
4723
4724         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4725         field.
4726         (GBB_ALPHA): Removed.
4727
4728 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4729             Tobias Grosser  <grosser@fim.uni-passau.de>
4730
4731         * graphite-data-ref.c (graphite_test_dependence): Don't use
4732         GBB_DYNAMIC_SCHEDULE.
4733         * graphite.c (new_graphite_bb): Same.
4734         (free_graphite_bb): Same.
4735         (build_scop_dynamic_schedules): Removed.
4736         (graphite_transform_loops): Don't call it.
4737         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4738         (GBB_DYNAMIC_SCHEDULE): Removed.
4739
4740 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4741             Tobias Grosser  <grosser@fim.uni-passau.de>
4742
4743         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4744         (print_graphite_bb): Same.
4745         (build_cloog_prog): Same.
4746
4747 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4748             Tobias Grosser  <grosser@fim.uni-passau.de>
4749
4750         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4751
4752 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4753             Tobias Grosser  <grosser@fim.uni-passau.de>
4754
4755         * graphite.c (build_scop_context): Don't use CloogMatrix.
4756         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4757         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4758
4759 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4760             Tobias Grosser  <grosser@fim.uni-passau.de>
4761
4762         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4763         liveout_renames, add_params fields...
4764         (struct sese): ... here.
4765         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4766         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4767
4768 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4769             Tobias Grosser  <grosser@fim.uni-passau.de>
4770
4771         * graphite.c (print_scop): Do not print the CLooG program.
4772         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4773         build_cloog_prog, gloog): Don't use SCOP_PROG.
4774         (find_transform): Renamed scop_to_clast.
4775         (print_generated_program, debug_generated_program): New.
4776         (graphite_transform_loops): Adapt to new interface.
4777         * graphite.h (struct scop): Remove program field.
4778         (SCOP_PROG): Removed.
4779         (print_generated_program, debug_generated_program): Declared.
4780
4781 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4782
4783         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4784         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4785         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4786         free_graphite_bb, build_scop_canonical_schedules,
4787         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4788         schedules are now represented using a ppl_Linear_Expression_t.
4789         * graphite.h (struct graphite_bb): Same.
4790         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4791         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4792
4793 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4794
4795         * graphite.c: Free local memory.
4796         * graphite-ppl.c: Same.
4797
4798 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4799
4800         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4801         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4802         swap_constraint_variables, scale_constraint_variable): Removed.
4803         (graphite_trans_bb_strip_mine): Remove pong.
4804         * graphite-ppl.c: Include missing header files.
4805         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4806         * graphite-ppl.h (ppl_strip_loop): Declared.
4807         * Makefile.in (graphite-ppl.o): Adjust dependences.
4808
4809 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4810
4811         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4812         (build_scop_iteration_domain): Same.
4813
4814 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4815
4816         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4817         ping pong.
4818         (add_value_to_dim, scan_tree_for_params_right_scev,
4819         scan_tree_for_params_int): New.
4820         * graphite-ppl.c (oppose_constraint): New.
4821         (insert_constraint_into_matrix): Implement missing cases.
4822         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4823
4824 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4825
4826         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4827         use ppl_move_dimension.
4828
4829 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4830
4831         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4832         * graphite.c: Same.
4833         * graphite.h: Same.
4834         * graphite-ppl.c: Same.
4835         * graphite-ppl.h: Same.
4836
4837 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4838
4839         Revert last 3 commits.
4840
4841 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4842
4843         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4844         ping pong.
4845         (add_value_to_dim, scan_tree_for_params_right_scev,
4846         scan_tree_for_params_int): New.
4847         * graphite-ppl.c (oppose_constraint): New.
4848         (insert_constraint_into_matrix): Implement missing cases.
4849         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4850
4851 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4852
4853         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4854
4855 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4856             Tobias Grosser  <grosser@fim.uni-passau.de>
4857
4858         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4859         use ppl_move_dimension.
4860         * graphite-ppl.c (ppl_move_dimension): New.
4861         * graphite-ppl.h (ppl_move_dimension): Declared.
4862
4863 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4864
4865         * graphite.c: Do not include cloog/cloog.h.
4866         (print_graphite_bb): Remove ping pong, call PPL print function.
4867
4868 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4869
4870         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4871         (graphite.o): Add dependence on graphite-ppl.h.
4872         (graphite-ppl.o): New.
4873         (graphite-data-ref.c): Ping pong between PPL data structures
4874         and matrices.
4875         * graphite-ppl.c: New.
4876         * graphite-ppl.h: New.
4877         * graphite.c: Include graphite-ppl.h.
4878         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4879         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4880         Ping pong between PPL data structures and matrices.
4881         (new_graphite_bb): Create a PPL constraint system.
4882         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4883         (build_loop_iteration_domains): Use PPL functions.
4884         * graphite.h: Include graphite-ppl.h.  Fix comments.
4885         (graphite_bb): Use a ppl_Constraint_System_t instead of
4886         CloogMatrix for representing the domain.
4887         (scop): Remove static_schedule.
4888         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4889
4890 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4891
4892         * graphite.c: Fix some comments.
4893
4894 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4895
4896         PR middle-end/38953
4897         * graphite.c (if_region_set_false_region): After moving a region
4898         in the false branch of a condition, remove the empty dummy
4899         basic block.
4900         (gloog): Remove wrong fix for PR38953.
4901
4902 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4903
4904         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4905         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4906         register_bb_in_sese, new_sese, free_sese): Moved.
4907         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4908         outermost_loop_in_scop, build_scop_iteration_domain,
4909         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4910         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4911         Use loop_in_sese_p instead of loop_in_scop_p.
4912         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4913         (free_scop): Do not free SCOP_BBS_B.
4914         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4915         ref_nb_loops): Moved here...
4916         * graphite.h (ref_nb_loops): ... from here.
4917         (struct scop): Remove bbs_b bitmap.
4918         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4919         * gcc.dg/graphite/scop-19.c: New
4920
4921 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4922
4923         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4924         detection.
4925
4926 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4927
4928         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4929         eq_loop_to_cloog_loop): Remove.
4930         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4931         * graphite.h (struct scop): Remove loop2cloog_loop.
4932         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4933
4934 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4935
4936         * opts.c (decode_options): Only add graphite options to O2
4937         if we compile with graphite enabled.
4938
4939 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4940
4941         * Merge from mainline (r143163:143684).
4942
4943 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4944
4945         * graphite.c (debug_value): Removed.
4946         * graphite.h (debug_value): Removed.
4947
4948 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4949
4950         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4951         after graphite: pass_copy_prop does not maintain a proper loop closed
4952         SSA form.  pass_copy_prop should be fixed.
4953
4954 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4955
4956         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4957
4958 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4959
4960         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4961         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4962         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4963         changed the CFG.
4964
4965 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4966
4967         * graphite.c (gloog): Return true when code gen succeeded.
4968         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4969         the code of the function did not changed.  After cleanup_tree_cfg
4970         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4971         form.
4972
4973 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4974
4975         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4976         gimple_call_lhs is NULL.
4977
4978 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4979             Tobias Grosser  <tobi.grosser@amd.com>
4980
4981         * graphite.c (graphite_trans_scop_block): Do not block single
4982         nested loops.
4983
4984 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4985             Tobias Grosser  <tobi.grosser@amd.com>
4986
4987         * graphite.c (build_scop_canonical_schedules): Start schedules at
4988         zero.
4989
4990 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4991             Tobias Grosser  <tobi.grosser@amd.com>
4992
4993         * graphite.c (compare_prefix_loops): New.
4994         (build_scop_canonical_schedules): Rewritten.
4995         (graphite_transform_loops): Move build_scop_canonical_schedules
4996         after build_scop_iteration_domain.
4997
4998 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4999             Tobias Grosser  <tobi.grosser@amd.com>
5000
5001         * graphite.c (add_conditions_to_domain): Add the loops to
5002         the dimension of the iteration domain.  Do copy the domain
5003         only when it exists.
5004         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5005         (add_conditions_to_constraints): New.
5006         (can_generate_code_stmt, can_generate_code): Removed.
5007         (gloog): Do not call can_generate_code.
5008         (graphite_transform_loops): Call add_conditions_to_constraints
5009         after building the iteration domain.
5010
5011 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5012             Tobias Grosser  <tobi.grosser@amd.com>
5013             Jan Sjodin  <jan.sjodin@amd.com>
5014
5015         * graphite.c (scan_tree_for_params): On substractions negate
5016         all the coefficients of the term.
5017         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5018         of more than two operands.
5019         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5020         (get_vdef_before_scop): Handle also the case of default definitions.
5021
5022 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5023
5024         PR middle-end/38431
5025         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5026         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5027         (gloog): Do not call cleanup_tree_cfg.
5028         (graphite_transform_loops): Call cleanup_tree_cfg after all
5029         scops have been code generated.
5030
5031 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5032
5033         * passes.c (init_optimization_passes): Schedule after
5034         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5035
5036 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5037
5038         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5039         Fix comment.
5040         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5041         Set the type of an expression to the type of its assign statement.
5042         (expand_scalar_variables_expr):  Do not pass loop_p.
5043         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5044         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5045         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5046
5047 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5048
5049         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5050         an expression to the gimple_expr_type of its assign statement.
5051         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5052         or tcc_declaration.
5053
5054 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5055
5056         PR tree-optimization/38786
5057         * gcc.dg/graphite/pr38786.c: New.
5058         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5059         the SSA_NAME case of expand_scalar_variables_expr.
5060         (expand_scalar_variables_expr): Also gather the scalar computation
5061         used to index the memory access.
5062         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5063         the gimple_stmt_iterator where it inserts new code.
5064
5065 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5066
5067         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5068
5069 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5070
5071         * opts.c (decode_options): Enable flag_graphite_identity and
5072         flag_loop_block in -O2 and above.
5073
5074 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5075
5076         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5077         Fix merge problem: replace with the file from trunk.
5078
5079 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5080
5081         * Merge from mainline (r141727:143163).
5082
5083 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5084             Jan Sjodin  <jan.sjodin@amd.com>
5085
5086         PR tree-optimization/38559
5087         * gcc.dg/graphite/pr38559.c: New.
5088
5089         * graphite.c (debug_value, copy_constraint,
5090         swap_constraint_variables, scale_constraint_variable, ): New.
5091         (get_lower_bound, get_upper_bound): Removed.
5092         (graphite_trans_bb_strip_mine): Clean up this code that works
5093         only for constant number of iterations.  Fully copy upper and
5094         lower bound constraints, not only the constant part of them.
5095         * graphite.h (debug_value): Declared.
5096
5097 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5098
5099         PR tree-optimization/38492
5100         PR tree-optimization/38498
5101         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5102         * tree-chrec.h (scev_is_linear_expression): Declared.
5103         * graphite.c (graphite_cannot_represent_loop_niter): New.
5104         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5105         (graphite_loop_normal_form): Use gcc_assert.
5106         (scan_tree_for_params): Use CASE_CONVERT.
5107         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5108         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5109         Use gcc_assert.  Discard scops that contain unhandled cases.
5110         (build_scop_conditions): Return a boolean status for unhandled cases.
5111         (strip_mine_profitable_p): Print the loop number, not its depth.
5112         (is_interchange_valid): Pass the depth of the loop nest, don't
5113         recompute it wrongly.
5114         (graphite_trans_bb_block): Same.
5115         (graphite_trans_bb_block): Print tentative of loop blocking.
5116         (graphite_trans_scop_block): Do not print that the loop has been
5117         blocked.
5118         (graphite_transform_loops): Do not handle scops that contain condition
5119         scalar phi nodes.
5120
5121         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5122         in trunk.
5123         * gcc.dg/graphite/block-0.c: Update test.
5124         * gcc.dg/graphite/block-1.c: Same.
5125         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5126         blocking.
5127         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5128         * gcc.dg/graphite/block-3.c: New.
5129         * gcc.dg/graphite/pr38498.c: New.
5130
5131 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5132
5133         PR tree-optimization/38510
5134         * gcc.dg/graphite/pr38510.c: New.
5135         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5136           (translate_clast): Call recompute_all_dominators before
5137           graphite_verify.
5138           (gloog): Call recompute_all_dominators before graphite_verify.
5139
5140 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5141
5142         PR tree-optimization/38492
5143         * graphite.c (rename_map_elt, debug_rename_elt,
5144         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5145         rename_map_elt_info, eq_rename_map_elts,
5146         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5147         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5148         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5149         (sese_build_livein_liveouts): New.
5150         (new_sese, free_sese): New.
5151         (new_scop): Call new_sese.
5152         (free_scop): Call free_sese.
5153         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5154         (register_old_new_names): Renamed register_old_and_new_names.
5155         (register_scop_liveout_renames, add_loop_exit_phis,
5156         insert_loop_close_phis, struct igp,
5157         default_liveout_before_guard, add_guard_exit_phis,
5158         insert_guard_phis, copy_renames): New.
5159         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5160         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5161         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5162         (scop_adjust_phis_for_liveouts): New.
5163         (gloog): Call scop_adjust_phis_for_liveouts.
5164
5165         * graphite.h (struct sese): Documented.  Added fields liveout,
5166         num_ver and livein.
5167         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5168         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5169         (struct scop): Added field liveout_renames.
5170         (SCOP_LIVEOUT_RENAMES): New.
5171
5172 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5173
5174         PR tree-optimization/38409
5175         * gcc.dg/graphite/pr38409.c: New.
5176         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5177
5178 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5179
5180         * graphite.c (gcc_type_for_cloog_iv): By default return
5181         integer_type_node.
5182         (graphite_create_new_loop): Don't fold_convert the already
5183         fold_convert-ed expression.
5184
5185 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5186
5187         PR tree-optimization/38446
5188         * gcc.dg/graphite/pr38446.c: New.
5189         * graphite.c (register_bb_in_sese): New.
5190         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5191         looking at the bbs in the region.
5192         * graphite.h (sese): Add region_basic_blocks pointer set to
5193         structure and initialize at the time of defining new scop.
5194
5195 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5196
5197         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5198         (find_params_in_bb): Do not free data refs.
5199         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5200
5201 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5202
5203         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5204         * gcc.dg/graphite/scop-17.c: Same.
5205         * gcc.dg/graphite/block-5.c: New.
5206         * gcc.dg/graphite/block-6.c: New.
5207         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5208         * gcc.dg/graphite/pr37684.c: Same.
5209         * gcc.dg/graphite/block-2.c: Same.
5210
5211         * graphite.c (struct ivtype_map_elt): New.
5212         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5213         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5214         gcc_type_for_cloog_iv): New.
5215         (loop_iv_stack_patch_for_consts): Use the type of the induction
5216         variable from the original loop, except for the automatically
5217         generated loops, i.e., in the case of a strip-mined loop, in
5218         which case there is no original loop: in that case just use
5219         integer_type_node.
5220         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5221         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5222         (clast_name_to_gcc): Accept params to be NULL.
5223         (clast_to_gcc_expression): Take an extra parameter for the type.
5224         Convert to that type all the expressions built by this function.
5225         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5226         (graphite_translate_clast_equation): Compute the type of the
5227         clast_equation before translating its LHS and RHS.
5228         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5229         (graphite_create_new_loop): Compute the type of the induction
5230         variable before translating the lower and upper bounds and before
5231         creating the induction variable.
5232         (rename_variables_from_edge, rename_phis_end_scop): New.
5233         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5234         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5235         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5236         compute_cloog_iv_types): New.
5237         (gloog): Call compute_cloog_iv_types before starting the
5238         translation of the clast.
5239
5240         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5241         (GBB_CLOOG_IV_TYPES): New.
5242         (debug_ivtype_map): Declared.
5243         (oldiv_for_loop): New.
5244
5245 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5246
5247         PR middle-end/38459
5248         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5249         (param_index): Assert if parameter is not know after parameter
5250         detection.
5251         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5252         (find_scop_parameters): Mark, that we have finished parameter
5253         detection.
5254         (graphite_transform_loops): Move condition detection before parameter
5255         detection.
5256         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5257         * gfortran.dg/graphite/pr38459.f90: New.
5258
5259 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5260
5261         * graphite.c (graphite_transform_loops): Always call find_transform ()
5262         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5263         generate code.
5264
5265 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5266
5267         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5268         (print_scop): Ditto.
5269
5270 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5271
5272         PR middle-end/38084
5273         Fix gfortran.dg/graphite/id-3.f90.
5274         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5275         regions more than once.
5276
5277 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5278
5279         Fix gfortran.dg/graphite/id-4.f90.
5280         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5281         when not needed.
5282
5283 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5284
5285         Fix gfortran.dg/graphite/id-1.f90.
5286         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5287         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5288         (max_precision_type): New.
5289         (value_clast): Removed.
5290         (clast_to_gcc_expression): Be more careful to types of expressions.
5291         Use max_precision_type and update use of gmp_cst_to_tree.
5292         (graphite_translate_clast_equation): Use max_precision_type.
5293         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5294         use the type of the condition.
5295         (graphite_create_new_loop): Do not use integer_type_node, use the
5296         max_precision_type of lb and ub.
5297
5298 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5299
5300         * graphite.c (build_scops_1): Initialize open_scop.exit
5301         and sinfo.last.
5302
5303 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5304
5305         * gcc.dg/graphite/pr38084.c: New.
5306         * gfortran.dg/graphite/id-1.f90: New.
5307         * gfortran.dg/graphite/id-2.f90: New.
5308         * gfortran.dg/graphite/id-3.f90: New.
5309         * gfortran.dg/graphite/id-4.f90: New.
5310         * gfortran.dg/graphite/pr37857.f90: New.
5311
5312 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5313             Jan Sjodin  <jan.sjodin@amd.com>
5314             Harsha Jagasia  <harsha.jagasia@amd.com>
5315
5316         PR middle-end/37852
5317         PR middle-end/37883
5318         PR middle-end/37928
5319         PR middle-end/37980
5320         PR middle-end/38038
5321         PR middle-end/38039
5322         PR middle-end/38073
5323         PR middle-end/38083
5324         PR middle-end/38125
5325
5326         * gcc.dg/graphite/pr38073.c: New.
5327         * gcc.dg/graphite/pr37928.c: New.
5328         * gcc.dg/graphite/pr37883.c: New.
5329         * gcc.dg/graphite/pr38125.c: New.
5330         * gfortran.dg/graphite/pr38083.f90: New.
5331         * gfortran.dg/graphite/pr37852.f90: New.
5332         * gfortran.dg/graphite/pr37980.f90: New.
5333
5334         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5335         the number of detected scops.  Copy exact same test for loop
5336         blocking...
5337         * gcc.dg/graphite/block-1.c: Fix the number of expected
5338         loops to be blocked as reductions are not handled.
5339         * gcc.dg/graphite/block-4.c: ...here.  New.
5340
5341         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5342         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5343         ...here.
5344         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5345         * Makefile.in (graphite.o): Depend on value-prof.h.
5346         (graphite.o-warn): Removed -Wno-error.
5347         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5348         to be a NULL pointer.  Call update_stmt.  Return the newly created
5349         cannonical induction variable.
5350
5351         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5352
5353         * graphite.c: Reimplement the code generation from graphite to gimple.
5354         Include value-prof.h.
5355         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5356         (get_old_iv_from_ssa_name): Removed.
5357         (graphite_stmt_p): New.
5358         (new_graphite_bb): Test for useful statements before building a
5359         graphite statement for the basic block.
5360         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5361         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5362         reason.
5363         (recompute_all_dominators, graphite_verify,
5364         nb_reductions_in_loop, graphite_loop_normal_form): New.
5365         (scop_record_loop): Call graphite_loop_normal_form.
5366         (build_scop_loop_nests): Iterate over all the blocks of the
5367         function instead of relying on the incomplete information from
5368         SCOP_BBS.  Return the success of the operation.
5369         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5370         (add_bb_domains): Removed.
5371         (build_loop_iteration_domains): Don't call add_bb_domains.
5372         Add the iteration domain only to the basic blocks that have been
5373         translated to graphite.
5374         (build_scop_conditions_1): Add constraints only if the basic
5375         block have been translated to graphite.
5376         (build_scop_data_accesses): Completely disabled until data
5377         dependence is correctly implemented.
5378         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5379         (remove_all_edges_1, remove_all_edges): Removed.
5380         (get_new_name_from_old_name): New.
5381         (graphite_rename_variables_in_stmt): Renamed
5382         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5383         Use replace_exp and update_stmt.
5384         (is_old_iv): Renamed is_iv.
5385         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5386         Use replace_exp and update_stmt.
5387         (expand_scalar_variables_expr): Same.  Use the map to get the
5388         new names for the renaming of induction variables and for the
5389         renaming of variables after a basic block has been copied.
5390         (expand_scalar_variables): Same.
5391         (graphite_rename_variables): Renamed rename_variables.
5392         (move_phi_nodes): Removed.
5393         (get_false_edge_from_guard_bb): New.
5394         (build_iv_mapping): Do not insert the induction variable of a
5395         loop in the renaming iv map if the basic block does not belong
5396         to that loop.
5397         (register_old_new_names, graphite_copy_stmts_from_block,
5398         copy_bb_and_scalar_dependences): New.
5399         (translate_clast): Heavily reimplemented: copy basic blocks,
5400         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5401         At each translation step call graphite_verify ensuring the
5402         consistency of the SSA, loops and dominators information.
5403         (collect_virtual_phis, find_vdef_for_var_in_bb,
5404         find_vdef_for_var_1, find_vdef_for_var,
5405         patch_phis_for_virtual_defs): Removed huge hack.
5406         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5407         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5408         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5409         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5410         if_region_get_condition_block, if_region_set_false_region,
5411         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5412         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5413         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5414         rewrite_into_sese_closed_ssa): New.
5415         (gloog): Remove dead code.  Early return if code cannot be
5416         generated.  Call cleanup_tree_cfg once the scop has been code
5417         generated.
5418         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5419         block loops with less than two loops.
5420         (graphite_apply_transformations): Remove the call to
5421         scop_remove_ignoreable_gbbs.
5422         (limit_scops): When build_scop_loop_nests fails, continue on
5423         the next scop.  Fix open_scop.entry.
5424         (graphite_transform_loops): Call recompute_all_dominators: force the
5425         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5426         Call initialize_original_copy_tables and free_original_copy_tables
5427         to be able to copy basic blocks during code generation.
5428         When build_scop_loop_nests fails, continue on next scop.
5429         (value_clast): New union.
5430         (clast_to_gcc_expression): Fix type cast warning.
5431
5432 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5433
5434         * Merge from mainline (r140838:141727).
5435
5436 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5437
5438         PR middle-end/37833
5439
5440         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5441
5442 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5443
5444         PR middle-end/37943
5445
5446         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5447         exits and conditions.
5448         * gcc.dg/graphite/pr37943.c: New.
5449
5450 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5451
5452         PR middle-end/37886
5453         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5454
5455 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5456
5457         * doc/invoke.texi: Fix spaces.
5458
5459 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5460
5461         PR tree-optimization/37891
5462         Reverted last commit.
5463         * graphite.c (create_single_entry_edge): Set
5464         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5465
5466 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5467             Mitul Thakkar  <mitul.thakkar@amd.com>
5468
5469         * graphite.c (create_single_entry_edge): Set
5470         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5471
5472 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5473
5474         * doc/invoke.texi: Add -fgraphite-identity.
5475         * graphite.c (graphite_apply_transformations): Check for
5476         -fgraphite-identity.
5477         * toplev.c (process_options): Add flag_graphite_identity.
5478         * tree-ssa-loop.c: Add flag_graphite_identity.
5479
5480 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5481
5482         Undo changes from 2008-10-02:
5483         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5484         operand type when copying the operand to a variable of different type.
5485         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5486         with the IV name after increment.
5487
5488 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5489             Harsha Jagasia  <harsha.jagasia@amd.com>
5490
5491         PR tree-optimization/37828
5492         * gcc.dg/graphite/pr37828.c: New.
5493         * graphite.c (graphite_trans_loop_block): Do not loop block
5494         single nested loops.
5495
5496 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5497             Sebastian Pop  <sebastian.pop@amd.com>
5498
5499         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5500         rename_map_elt_info, eq_rename_map_elts): New.
5501         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5502         (expand_scalar_variables_expr): Change parameters.
5503         (expand_scalar_variables_stmt): Same.
5504         (expand_scalar_variables): Same.
5505         (graphite_rename_ivs): Rename graphite_rename_variables.
5506         (build_iv_mapping): New.
5507         (translate_clast): Call build_iv_mapping.
5508         * graphite.h (gbb_p): New name.
5509
5510 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5511
5512         PR tree-optimization/37684
5513         * gcc.dg/graphite/pr37684.c: New.
5514         * graphite.c (exclude_component_ref): New.
5515         (is_simple_operand): Call exclude_component_ref.
5516
5517 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5518             Harsha Jagasia  <harsha.jagasia@amd.com>
5519
5520         PR tree-optimization/37485
5521         * gcc.dg/graphite/block-2.c: New
5522         * graphite.c (gmp_cst_to_tree): Moved.
5523         (iv_stack_entry_is_constant): New.
5524         (iv_stack_entry_is_iv): New.
5525         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5526         (loop_iv_stack_insert_constant): New.
5527         (loop_iv_stack_pop): Use new datatpype.
5528         (loop_iv_stack_get_iv): Same.
5529         (loop_iv_stack_get_iv_from_name): Same.
5530         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5531         (loop_iv_stack_patch_for_consts): New.
5532         (loop_iv_stack_remove_constants): New.
5533         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5534         (translate_clast): Call loop_iv_stack_patch_for_consts and
5535         loop_iv_stack_remove_constants.
5536         (gloog): Use new datatype.  Redirect construction edge to end
5537         block to avoid accidental deletion.
5538         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5539         iv stack entry.
5540         (union iv_stack_entry_data): New.  Data in iv stack entry.
5541         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5542
5543 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5544
5545         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5546         operand type when copying the operand to a variable of different type.
5547
5548 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5549
5550         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5551         with the IV name after increment.
5552
5553 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5554
5555         * Merge from mainline (r140164:140838).
5556
5557 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5558
5559         * graphite-data-ref.c: New.
5560         * graphite.c (print_scop): Also dump the dependence graph.
5561         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5562         (new_scop): Initialize SCOP_DEP_GRAPH.
5563         (build_scop_dynamic_schedules): New.
5564         (build_access_matrix_with_af): Fixed column numbering.
5565         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5566         * graphite.h: Add ifndef/define guards against multiple inclusion.
5567         (struct scop): Add dep_graph field.
5568         (SCOP_DEP_GRAPH): Defined.
5569         (ref_nb_loops): Fixed and moved to other position.
5570         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5571         (nb_loops_around_loop_in_scop): New.
5572         (graphite_dump_dependence_graph): Declared.
5573         (graphite_build_rdg_all_levels): Declared.
5574         (graphite_test_dependence): Declared.
5575         * Makefile.in (graphite-data-ref.o): New target.
5576
5577 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579         * Merge from mainline (139870:140164).
5580
5581 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5582
5583         * Merge from mainline (138275:139870).
5584         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5585         the commits from trunk broke the niter detection.
5586
5587 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5588
5589         * graphite.c: Add more documentation.  Fix formatting.
5590         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5591         loop_iv_stack_debug): Moved...
5592         (schedule_to_scattering): Move before use.
5593         (dot_all_scops): Include in "#if 0" the code for system
5594         call dotty.
5595
5596         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5597         loop_iv_stack_debug): ...here.
5598
5599 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5600
5601         * tree-phinodes.c (make_phi_node): Extern.
5602         (add_phi_node_to_bb): New.
5603         (create_phi_node): Call add_phi_node_to_bb.
5604         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5605         (remove_statement): Handle case where stored phi was updated
5606         and is no longer the same.
5607         * graphite.c (is_parameter): New.
5608         (is_old_iv): New.
5609         (expand_scalar_variables_expr): New.
5610         (expand_scalar_variables_stmt): New.
5611         (expand_scalar_variables): New.
5612         (move_phi_nodes): Create new phi instead of moving old one.
5613         (translate_clast): Call expand_scalar_variables.
5614         (find_vdef_for_var_in_bb): Also scan regular definitions.
5615         (skip_phi_defs): New.
5616         (collect_scop_exit_phi_args): New.
5617         (patch_scop_exit_phi_args): New.
5618         (gloog): Patch phis after scop.
5619         * tree-flow.h: (add_phi_node_to_bb): Declared.
5620         (make_phi_node): Declared.
5621
5622 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5623
5624         * graphite.c (end_scop): Split the entry of the scop when it
5625         is the header of the loop in which the scop is ending.
5626         (build_scops_1, limit_scops): Update uses of end_scop.
5627
5628 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5629
5630         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5631         SCOP_ENTRY or SCOP_EXIT.
5632
5633 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5634
5635         * graphite.c (get_construction_edge): Removed.
5636         (gloog): Construction edge is the scop entry edge.
5637
5638 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5639
5640         * graphite.c (can_generate_for_scop): Removed.
5641         (gloog): Do not call it.
5642
5643 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         * graphite.c (new_scop): Entry of a scop is an edge.
5646         Initialize SESE region.
5647         (free_scop): Free SESE region.
5648         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5649         (split_difficult_bb): New, split from end_scop.
5650         (end_scop): Exit of a scop is an edge.
5651         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5652         not automatically updated and thus is always wrong.
5653         * graphite.h (struct sese): New.
5654         (SESE_ENTRY): New.
5655         (SESE_EXIT): New.
5656         (struct scop): New field for a SESE region.  Remove entry, exit.
5657         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5658         semantics as before.  Moved comment around.
5659
5660 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5661             Sebastian Pop  <sebastian.pop@amd.com>
5662
5663         * graphite.c (graphite_transform_loops): Always enable gloog
5664         and find_transform when ENABLE_CHECKING.
5665
5666 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5667
5668         * graphite.c (graphite_transform_loops): Move pretty printer
5669         of SCOPs before doing any transform.  Remove call to print_scops
5670         and dot_all_scops_1.
5671
5672 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5673
5674         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5675         (print_graphite_bb): Same.
5676
5677 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5678
5679         * graphite.c (dot_all_scops_1): Cleanup.
5680         (move_scops): Fix comment.
5681
5682 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         * graphite.c (build_scop_bbs): Revert commit 139355:
5685
5686         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5687                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5688
5689                 * graphite.c (build_scop_bbs): Factor up code.
5690
5691 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5692
5693         * graphite.c (gloog): Update dominator info.
5694
5695 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5696
5697         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5698
5699 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5700
5701         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5702         initialization.
5703         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5704         (translate_clast): Correct formatting.
5705         * graphite.h (struct num_map): Removed.
5706         (struct graphite_bb): Remove num_map field.
5707         (GBB_INDEX_TO_NUM_MAP): Removed.
5708
5709 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5710
5711         * graphite.c (build_access_matrix_with_af): Fix comments.
5712         (build_scop_data_accesses): Same.
5713
5714 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5715
5716         * graphite.c (build_scop_data_accesses): Don't construct
5717         access matrices.  Add a FIXME and an assert condition that
5718         should pass when the access matrices will be needed.
5719
5720 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5721
5722         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5723         really_constant_p.
5724         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5725         Moved close by free_graphite_bb.
5726         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5727         (new_scop): Move close by free_scop.
5728         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5729
5730 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5731
5732         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5733         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5734         instead of recursive call.
5735         (graphite_translate_clast_equation): New.
5736         (graphite_create_guard_cond_expr): New.
5737         (graphite_create_new_guard): New.
5738         (get_stack_index_from_iv): Removed.
5739         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5740         (get_true_edge_from_guard_bb): New.
5741         (translate_clast): Handle stmt_guard in clast.
5742         (get_construction_edge): Allow construction edge detection for
5743         a scope entry with multiple predecessors if one predecessor is
5744         the immediate dominator of scope entry.
5745         (can_generate_code_stmt): Enable code generation for clast_guard.
5746         (gloog): Use correct context loop.  Removed check for post dominators.
5747         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5748
5749 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5750
5751         * graphite.c (remove_dead_loops): Document better which
5752         loops are removed.
5753
5754 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5755
5756         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5757         and PPLINC.
5758         (graphite.o): Also depends on pointer-set.h.
5759
5760 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5761
5762         * graphite.c (scop_record_loop): Fix compile warning.
5763
5764 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5765             Sebastian Pop  <sebastian.pop@amd.com>
5766
5767         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5768
5769 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5770
5771         * graphite.c (build_graphite_bb): Initialize bb->aux to
5772         point to the graphite_bb_p.
5773         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5774         content of bb->aux.
5775         (add_bb_domains): Does not use the scop parameter.
5776         (graphite_transform_loops): Clean bb->aux at the end.
5777
5778 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5779             Sebastian Pop  <sebastian.pop@amd.com>
5780
5781         * lib/target-supports.exp
5782         (check_effective_target_fgraphite): New.
5783
5784         * gcc.dg/graphite/graphite.exp: Early exit when
5785         check_effective_target_fgraphite returns false.
5786         Set dg-do-what-default to compile.
5787         (scan-graphite-dump-times): Removed.
5788         * gfortran.dg/graphite/graphite.exp: Same.
5789
5790         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5791         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5792         * gcc.dg/graphite/scop-1.c: Same.
5793         * gcc.dg/graphite/scop-2.c: Same.
5794         * gcc.dg/graphite/scop-3.c: Same.
5795         * gcc.dg/graphite/scop-4.c: Same.
5796         * gcc.dg/graphite/scop-5.c: Same.
5797         * gcc.dg/graphite/scop-6.c: Same.
5798         * gcc.dg/graphite/scop-7.c: Same.
5799         * gcc.dg/graphite/scop-8.c: Same.
5800         * gcc.dg/graphite/scop-9.c: Same.
5801         * gcc.dg/graphite/scop-10.c: Same.
5802         * gcc.dg/graphite/scop-11.c: Same.
5803         * gcc.dg/graphite/scop-12.c: Same.
5804         * gcc.dg/graphite/scop-13.c: Same.
5805         * gcc.dg/graphite/scop-matmult.c: Same.
5806         * gcc.dg/graphite/scop-14.c: Same.
5807         * gcc.dg/graphite/scop-15.c: Same.
5808         * gcc.dg/graphite/block-0.c: Same.
5809         * gcc.dg/graphite/scop-16.c: Same.
5810         * gcc.dg/graphite/block-1.c: Same.
5811         * gcc.dg/graphite/scop-17.c: Same.
5812         * gcc.dg/graphite/scop-18.c: Same.
5813         * gfortran.dg/graphite/block-1.f90: Same.
5814         * gfortran.dg/graphite/scop-1.f: Same.
5815         * gfortran.dg/graphite/block-2.f: Same.
5816
5817 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5818
5819         * graphite.c: Fix some XXX comments.
5820         (build_scop_dynamic_schedules): Removed.
5821
5822 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5823
5824         * graphite.h (scop_max_loop_depth): Moved...
5825         * graphite.c (scop_max_loop_depth): ...here.
5826         (remove_all_edges_1): New.
5827         (remove_all_edges): Factored code.
5828         (remove_cond_exprs): Check only the last statement for
5829         a GIMPLE_COND expression.
5830
5831 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5832
5833         * graphite.c (scan_tree_for_params): Early return when the
5834         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5835         (find_scop_parameters): Factor out code.
5836         (graphite_trans_bb_strip_mine): Remove dead code.
5837
5838 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5839
5840         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5841         graphite_trans_bb_move_loop): Factor asserts.
5842         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5843         Do not call calculate_dominance_info and estimate_bb_frequencies.
5844
5845 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5846
5847         * graphite.c (create_loops_mapping, free_loops_mapping,
5848         create_loops_mapping_num, debug_loop_mapping_1,
5849         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5850         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5851         graphite_loops_mapping_add_child_num,
5852         graphite_loops_mapping_insert_child,
5853         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5854         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5855         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5856         create_num_from_index, get_num_from_index,
5857         swap_loop_mapped_depth): Removed.
5858         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5859         (free_scop): Do not call free_loops_mapping.
5860         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5861         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5862         get_loop_mapped_depth.
5863         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5864         (graphite_trans_bb_strip_mine): Same.
5865         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5866         (struct scop): Remove field loops_mapping.
5867
5868 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5869             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5870
5871         * graphite.c (scop_record_loop): Factor out one level of the
5872         condition by early return.
5873         (build_scop_loop_nests): Format following FSF coding style.
5874         (build_scop_dynamic_schedules): Factor out code.
5875         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5876
5877 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5878             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5879
5880         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5881         assignments that are not handled as simple operands for now.
5882
5883 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5884             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5885
5886         * graphite.c (build_scop_bbs): Factor up code.
5887
5888 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5889             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5890
5891         * graphite.c (stmt_simple_for_scop_p): Factor code out
5892         of the loop.
5893         (enum gbb_type): New.  Group all the GBB_* types under it.
5894         (is_loop_exit): Moved...
5895         (end_scop): Enable BB spliting.
5896         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5897         * cfgloop.h (is_loop_exit): Declared.
5898
5899 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5900
5901         * doc/invoke.texi: Remove strides from examples containing
5902         DO loops when the strides are equal to 1.
5903
5904 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5905             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5906
5907         * graphite.c (graphite_trans_scop_block): Or the result with
5908         the result from graphite_trans_loop_block.
5909         * gcc.dg/graphite/block-1.c: New.
5910         * gfortran.dg/graphite/block-1.f90: New.
5911         * gfortran.dg/graphite/block-2.f: New.
5912
5913 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5914
5915         * graphite.c (graphite_transform_loops): Call cloog_initialize
5916         and cloog_finalize.
5917
5918 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5919
5920         * tree-data-ref.c) (stmt_simple_memref_p): New.
5921         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5922         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5923         (is_simple_operand): Call stmt_simple_memref_p.
5924
5925         * gcc.dg/graphite/scop-matmult.c: Updated for not
5926         using pointer arithmetic, as this is optimized by PRE and
5927         makes the code too difficult to analyze.
5928
5929         * gcc.dg/graphite/scop-18.c: Same.
5930
5931 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5932
5933         * gdbinit.in (pgg): New.
5934
5935 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5936
5937         * graphite.c (graphite_trans_loop_block): Fix warning.
5938
5939 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5940
5941         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5942
5943 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5944
5945         * graphite.c (graphite_trans_bb_block): Remove check for
5946         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5947         Check if loop blocking is profitable for every loop, before applying
5948         the changes.
5949         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5950         if flag_loop_block is set.
5951
5952 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5953
5954         * graphite.c: Add some more documentation for the loop
5955         mapping.
5956
5957 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5958
5959         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5960         * graphite.c: Format on less than 80 columns.
5961         * graphite.h: Same.
5962
5963 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5964
5965         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5966
5967 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5968
5969         * doc/invoke.texi (floop-block, floop-strip-mine,
5970         floop-interchange): Update documentation with examples.
5971
5972 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5973
5974         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5975         add_referenced_var.
5976         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5977
5978 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5979
5980         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5981         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5982         * tree-scalar-evolution.c: Revert useless changes.
5983         * tree-phinodes.c: Same.
5984         * cfghooks.c: Same.
5985         * vec.h: Same.
5986         * tree-vectorizer.h: Same.
5987         * tree-flow.h: Same.
5988         * tree-cfg.c: Same.
5989         * common.opt (fgraphite): Update documentation.
5990
5991 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5992
5993         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5994         -floop-interchange): Add more text for explaining what each of these
5995         flags is doing.
5996         * tree-into-ssa.c (gimple_vec): Moved to...
5997         * graphite.c: Include gimple.h.
5998         (gimple_vec): Moved to...
5999         (del_loop_to_cloog_loop): Removed.
6000         (loop_affine_expr): Do not call create_data_ref when the
6001         operand is a constant.
6002         (new_scop): Use free instead of del_loop_to_cloog_loop.
6003         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6004         * gimple.h (gimple_vec): ... here.
6005
6006 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6007
6008         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6009         latch executions.
6010         (build_loop_iteration_domains): Fail, if latch executions unknown.
6011
6012 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6013
6014         * graphite.c (add_conditions_to_domain): New.
6015         (build_scop_conditions_1): Call add_conditions_to_domain.
6016         (set_cloog_options): Allow to disable optimizations.
6017
6018 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6019
6020         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6021         Do not use walk_dominator_tree.
6022         (find_scop_parameters): Do not use walk_dominator_tree.
6023
6024 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6025
6026         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6027         (idx_record_params): Adapt.
6028         * graphite.h (scop_gimple_loop_depth): New.
6029
6030 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6031
6032         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6033         (scan_tree_for_params): Remove value_init.
6034         (build_scop_context): Remove value_init.
6035         (build_loop_iteration_domains): Remove value_init.
6036         (schedule_to_scattering): Remove value_init.
6037         (graphite_trans_bb_strip_mine): Remove value_init.
6038
6039 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6040
6041         * gcc/graphite.c (limit_scops): New.
6042         (graphite_transform_loops): Add limit SCoPs.
6043         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6044         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6045         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6046         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6047         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6048         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6049         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6050         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6051         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6052         Change loop numbers.
6053         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6054         Change loop numbers.
6055         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6056         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6057         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6058         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6059         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6060         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6061         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6062         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6063         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6064         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6065
6066 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6067
6068         * graphite.c (graphite_transform_loops): Call always find_transform.
6069
6070 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6071
6072         * graphite.c (free_loops_mapping): New.
6073         (stmt_simple_for_scop_p): Fix typo.
6074         (stmt_simple_for_scop_p): Fix tuples functions, that
6075         broke polyhedron.
6076         (free_graphite_bb): Fix some memleaks.
6077         (free_scop): Fix some memleaks.
6078         (scopdet_bb_info): Do not forget some tmp SCoPs.
6079         (find_params_in_bb): Fix some memleaks.
6080         (clast_to_gcc_expression): Fix warning.
6081
6082 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6083
6084         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6085         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6086
6087 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6088
6089         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6090         Move code ifdef-ed HAVE_cloog...
6091         * graphite.c: Include toplev.h.
6092         ... here.
6093         * Makefile.in (OBJS-common): Always build graphite.o.
6094         (BACKEND): Remove @GRAPHITE@.
6095         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6096         (graphite.o): Depend on TOPLEV_H.
6097
6098 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6099
6100         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6101         Remove typo left from polylib to ppl conversion.
6102         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6103
6104 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6105
6106         * toplev.c (process_options): Move the graphite loop optimization
6107         flags...
6108         * tree-ssa-loop.c (graphite_transforms): ... here.
6109         When not configured with CLooG, print to dump_file that
6110         Graphite transforms were not performed.
6111         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6112         New.
6113         * gcc.dg/graphite/*.c: Updated all testcases to use
6114         scan-graphite-dump-times.
6115
6116 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6117
6118         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6119         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6120
6121 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6122             Jan Sjodin  <jan.sjodin@amd.com>
6123
6124         * configure: Regenerated.
6125         * omp-low.c (expand_omp_sections): Remove now unused code.
6126         * config.in (HAVE_polylib): Removed.
6127         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6128         (PPLLIBS, PPLINC): Added.
6129         * graphite.c: Replace unsigned with int wherever possible.
6130         Don't access Cloog's data structures, but use accessor functions.
6131         Clast's stmt->type is now implemented as a vtable: change the
6132         switches of stmt->type into ifs.
6133         (polylib/polylibgmp.h): Don't include.
6134         (initialize_dependence_polyhedron,
6135         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6136         statement_precedes_p, test_dependence, build_rdg_all_levels,
6137         dump_dependence_graph): Removed until this code is cleaned up
6138         or ported to Cloog.
6139         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6140         (POLYLIBINC): Renamed PPLINC.
6141
6142 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6143             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6144             Jan Sjodin  <jan.sjodin@amd.com>
6145
6146         Finish the merge and tuplification of graphite.
6147
6148 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6149             Jan Sjodin  <jan.sjodin@amd.com>
6150
6151         Partial merge from mainline (138072:138275).
6152         * graphite.c still has to be tuplified.
6153
6154 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6155
6156         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6157         (create_num_from_index): New.
6158         (get_num_from_index): Also pass in the graphite BB.
6159         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6160         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6161         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6162         (is_interchange_valid): Return false when failing.
6163         * graphite.h (struct num_map): New.
6164         (struct graphite_bb): New field num_map.
6165         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6166
6167 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6168
6169         * graphite.c (dump_gbb_conditions): Print also conditions like
6170         "if (a)".  Remove dublicated code and use print_generic_expr ().
6171         (stmt_simple_for_scop_p): Only allow conditions we can handle
6172         {<, <=, >, >=}.
6173
6174 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6175
6176         * graphite.h (struct scop): Removed new_ivs field.
6177         (SCOP_NEWIVS): Deleted.
6178         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6179         clast_to_gcc_expression, graphite_create_new_loop):
6180         Removed use of new_ivs.
6181
6182 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6183
6184         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6185         create_loops_mapping_num, debug_loop_mapping_1): New.
6186         (debug_loop_mapping): Call debug_loop_mapping_1.
6187         (get_loop_mapping_for_num,
6188         graphite_loops_mapping_add_child,
6189         graphite_loops_mapping_add_child_num,
6190         graphite_loops_mapping_insert_child,
6191         graphite_loops_mapping_parent,
6192         split_loop_mapped_depth_for_num,
6193         loop_mapped_depth_split_loop): New.
6194         (increment_loop_mapped_depths): Removed.
6195         (swap_loop_mapped_depth_for_num): Reimplemented.
6196         (new_scop): Call create_loops_mapping.
6197         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6198         (translate_clast): Pass the old loop father in parameter, and pass
6199         it to get_old_iv_from_ssa_name.
6200         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6201         can_generate_code, can_generate_for_scop): New.
6202         (graphite_trans_bb_block): Returns false when it fails to transform.
6203         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6204
6205 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6206
6207         Reverted all the changes related to the streamization and
6208         loop fusion.
6209         These changes are now tracked in the streamization branch.
6210
6211 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6212             Jan Sjodin  <jan.sjodin@amd.com>
6213
6214         * graphite.c (gbb_compare): Correctly constify.
6215         (gbb_can_be_ignored): Indent.
6216         (graphite_trans_scop_swap_1and2): Add legality check.
6217         Remove dead FIXMEs.
6218
6219 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6220
6221         Remove fallouts from "Reverted the Condate changes".
6222         * tree.h: Remove unused decl.
6223         * gcc.dg/tree-checker: Same.
6224         * timevar.def: Remove counter.
6225
6226 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6227
6228         * Merge from mainline (135673:138072).
6229
6230         Reverted the MIRO changes (from 2008-04-05) that are now
6231         tracked in the miro branch.
6232         * tree-bounds.c: Removed.
6233         * tree-bounds.h: Removed.
6234
6235         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6236         are now tracked in the condate branch.
6237         * tree-check.c: Removed.
6238         * tree-match.c: Removed.
6239         * condate.y: Removed.
6240
6241 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6242
6243         * common.opt: New user flag -floop-block, -floop-strip-mine
6244         and -floop-interchange.
6245         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6246         graphite loop optimization flags is turned on.
6247         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6248         flag_loop_strip_mine and flag_loop_interchange checks before
6249         optimizations.
6250         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6251         -floop-strip-mine and -floop-interchange.
6252         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6253         -fgraphite.
6254         * gcc.dg/graphite/scop-16.c: Ditto.
6255         * gcc.dg/graphite/scop-17.c: Ditto.
6256         * gcc.dg/graphite/scop-18.c: Ditto.
6257
6258 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6259             Sebastian Pop  <sebastian.pop@amd.com>
6260
6261         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6262         (create_empty_loop_on_edge): More fixes.
6263         * tree-phinodes.c (resize_phi_node): Extern.
6264         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6265         * cfghooks.c (update_dominator_information): New split from
6266         split_edge.
6267         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6268         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6269         successor of the function entry block.
6270
6271         * graphite.c: Include pointer-set.h.
6272         (debug_loop_mapping, increment_loop_mapped_depths,
6273         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6274         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6275         swap_loop_mapped_depth_for_num, get_num_from_index,
6276         swap_loop_mapped_depth, loop_iv_stack_debug,
6277         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6278         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6279         get_old_iv_from_ssa_name): New.
6280         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6281         (free_scop): Free SCOP_LOOPS_MAPPING.
6282         (scop_record_loop): Record old ivs.
6283         (create_var_name): Removed.
6284         (initialize_cloog_names): Allocate double space in case strip mine
6285         applies to all loops once.
6286         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6287         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6288         translation.
6289         (graphite_create_new_loop): Pass in ivstack.
6290         (remove_all_edges): Pass in the construction_edge.
6291         (graphite_remove_iv): Removed.
6292         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6293         remove_cond_exprs): Rewritten.
6294         (move_phi_nodes): New.
6295         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6296         (translate_clast): Pass in ivstack.  Rewrite some cases.
6297         (set_cloog_options, debug_clast_stmt): New.
6298         (find_transform): Use set_cloog_options.
6299         (outermost_loop_layer): Removed.
6300         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6301         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6302         mark_old_loops, remove_dead_loops): New.
6303         (gloog): Rewritten.
6304         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6305         (const_column_index, get_first_matching_sign_row_index,
6306         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6307         get_upper_bound): New.
6308         (graphite_trans_bb_strip_mine): Also update the iv map.
6309
6310         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6311         (struct name_tree): Add a loop field.
6312         (struct scop): Add a graphite_loops_mapping field.
6313         (SCOP_LOOPS_MAPPING): New.
6314         (debug_clast_stmt): Declare.
6315         * lambda.h (find_induction_var_from_exit_cond): Declare.
6316         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6317         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6318         (create_empty_loop_on_edge): Updated.
6319         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6320         rename_variables_in_bb): Declare.
6321         * tree-cfg.c (remove_bb): Extern.
6322
6323         * gcc.dg/graphite/block-0.c: New.
6324
6325 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6326             Sebastian Pop  <sebastian.pop@amd.com>
6327
6328         * graphite.c (strip_mine_profitable_p): New.
6329         (graphite_trans_bb_block): Disable strip mining if not profitable.
6330
6331         * gcc.dg/graphite/scop-18.c: New.
6332         * gcc.dg/graphite/scop-17.c: Fixed.
6333         * gcc.dg/graphite/scop-16.c: Fixed.
6334
6335 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6336             Jan Sjodin  <jan.sjodin@amd.com>
6337             Sebastian Pop  <sebastian.pop@amd.com>
6338
6339         * graphite.c (is_interchange_valid): New.
6340         (graphite_trans_bb_block): Check loop nest of basic block for legality
6341         of interchange.
6342
6343         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6344         outer_most_loop, gbb_outer_most_loop_index): New.
6345
6346         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6347         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6348         * gcc.dg/graphite/scop-16.c: New.
6349         * gcc.dg/graphite/scop-17.c: New.
6350
6351 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6352
6353         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6354         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6355
6356 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6357
6358         * graphite.c (new_scop): Initialize SCOP_EXIT.
6359         (scopdet_info): Add.
6360         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6361         (build_scops_1): Cleanup, bugfixes.
6362         (build_scops): Cleanup.
6363
6364         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6365         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6366
6367 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6368
6369         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6370
6371         * gfortran.dg/graphite/graphite.exp: Use
6372         DEFAULT_GRAPHITE_FLAGS.
6373
6374         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6375
6376 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6377
6378         * graphite.c (scan_tree_for_params): Do not assert any more if
6379         MULT_EXPR parameter is negative.
6380
6381         * gfortran.dg/graphite/scop-1.f: New.
6382
6383         * gfortran.dg/graphite/graphite.exp: New.
6384
6385         * gcc.dg/graphite/scop-15.c: New.
6386
6387 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6388
6389         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6390
6391 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6392
6393         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6394         graphite_swap_loops.
6395         (graphite_trans_bb_move_loop): New.
6396         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6397         (graphite_trans_bb_block): New.
6398         (graphite_trans_loop_block): New.
6399         (graphite_trans_scop_swap_1and2): Rename from
6400         graphite_trans_swap_1and2.
6401         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6402         (graphite_trans_scop_block): New.
6403         (graphite_apply_transformations): Rename from
6404         graphite_transformations.
6405
6406         * gcc.dg/graphite/scop-matmult.c: New.
6407
6408 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6409
6410         * graphite.c (gbb_compare): New.
6411         (graphite_sort_gbbs): New.
6412         (gbb_can_be_ignored): New.
6413         (scop_remove_ignoreable_gbbs): New.
6414         (graphite_transformations): Cleanup and add
6415         scop_remove_ignoreable_gbbs.
6416         * lambda.h (lambda_vector_compare): New.
6417
6418 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6419
6420         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6421         (graphite_swap_loops): int -> unsigned
6422         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6423         (graphite_transformations): New.
6424         (graphite_transform_loops): Move to graphite_transformations.
6425         * graphite.h (gbb_nb_loops): Return unsigned.
6426
6427 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6428
6429         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6430         the domain matrix.  This makes scop-0.c work again.
6431
6432 2008-06-20  Richard Guenther  <rguenther@suse.de>
6433
6434         * graphite.h: Adjust copyright to GPLv3.
6435         * graphite.c: Likewise.
6436         (stmt_simple_memref_for_scop_p): Split out from ...
6437         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6438         and simplify.
6439         (get_bb_type): Optimize.
6440         (is_pred): Remove.
6441         (is_bb_addable): Fix memleak, replace is_pred call with
6442         single_pred.
6443         (build_scops): Use current_loops.
6444         (param_index): Fix memleak.
6445
6446 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6447
6448         * graphite.c: Fix formatting.
6449
6450 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6451
6452         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6453         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6454         (create_var_name, save_var_name): Newly defined functions.
6455         (initialize_cloog_names): Part of the code factored out to
6456         save_var_name.
6457         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6458         in clast_reduction statement.
6459         (graphite_create_new_loop): Now takes a new parameter
6460         for outer_loop.
6461         (translate_clast): Now also takes the context_loop and bb_exit
6462         parameters. Rewritten the code so that it creates a gimple code
6463         inside the given context.
6464         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6465         remove_cond_expr, disconnect_cond_expr,
6466         disconnect_virtual_phi_nodes): Newly defined functions.
6467         * graphite.h (struct scop): added old_ivs vector.
6468         SCOP_OLDIVS: New macro.
6469
6470 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6471
6472         * cfgloopmanip.c: Add missing function comments, fix formatting.
6473
6474 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6475
6476         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6477         (create_empty_loop_on_edge): Defined.
6478         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6479         instead of void.
6480         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6481         (update_dominators_in_loop): Declared as extern
6482         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6483
6484 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6485
6486         * graphite.c (print_graphite_bb): Allow changing number of loops
6487         in SCoP domain.
6488         (initialize_cloog_names): Allow changing number of loops.
6489         (build_cloog_prog): Simplify.
6490         (find_transform): Enable cloog option --strides.
6491         (graphite_swap_loops): New.
6492         (graphite_strip_mine_loop): New.
6493         (graphite_trans_swap_1and2): New.
6494         (graphite_trans_strip): New.
6495         (graphite_transform_loops): Add graphite_trans_strip.
6496         * graphite.h (scop_max_loop_depth): New.
6497
6498 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6499
6500         * graphite.c (build_scop_iteration_domain): Remove forgotten
6501         line. (Fixes compile)
6502
6503 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6504
6505         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6506         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6507         (build_bb_loops): New.
6508         (graphite_transform_loops): Add build_bb_loops.
6509         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6510         numbers.
6511         * graphite.h (graphite_bb): Add loops.
6512         (gbb_nb_loops): New.
6513         (gbb_loop_at_index): New.
6514         (gbb_loop_index): New.
6515         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6516         using nb_params_in_scop.
6517
6518 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6519
6520         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6521         (build_scop_canonical_schedules): Build minimized schedule.
6522         (schedule_to_scattering): Adapt to minimized schedule.
6523         * graphite.h (graphite_bb): Add/Update descriptions.
6524
6525 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6526             Tobias Grosser  <grosser@fim.uni-passau.de>
6527
6528         * graphite.c (print_graphite_bb): Add condition printing.
6529         (dump_value): New.
6530         (dump_gbb_conditions): New.
6531         (build_scop_conditions_1): New.
6532         (build_scop_conditions): New.
6533         * graphite.h (graphite_bb): Add conditions.
6534
6535 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6536
6537         * graphite.c (print_graphite_bb):
6538         (free_graphite_bb): New.
6539         (free_scop): Free bbs.
6540         (get_bb_type): Free doms.
6541         (build_scop_context): Free context matrix.
6542         (build_loop_iteration_domains): Remove unused code.
6543         (build_cloog_prog): Free scattering function and blocklist.
6544         (find_transform): Free options.
6545
6546 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6547
6548         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6549         Remove unnecessery cloog data structures. Make a copy of the domain
6550         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6551         unnecessary cloog data structures. Fix memory leaks. Remove insert
6552         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6553         used.
6554         (build_scop_iteration_domain): Remove unnecessary cloog
6555         data structures.  Fix memory leaks.
6556         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6557         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6558
6559 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6560
6561         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6562
6563 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6564
6565         * graphite.c (end_scop): Style fix.
6566         (schedule_to_scattering): Style and comment fix.
6567
6568 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6569         * graphite.c (print_graphite_bb): Fix definiton of
6570         schedule_to_scattering.
6571         (initialize_cloog_names): Change nb_scattdims to max loop
6572         depth in SCoP.
6573         (schedule_to_scattering): Take parameter for number of scattering
6574         dimensions.
6575         (build_cloog_prog): Only build as much scattering dimensions as
6576         necessary.
6577
6578 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6579
6580         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6581         in polyhedron/aermod.f90.
6582
6583 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6584             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6585             Harsha Jagasia  <harsha.jagasia@amd.com>
6586
6587         * graphite.c (is_bb_addable): Fix segfault.
6588
6589 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6590
6591         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6592         with multiple exits and conditional handling in edge cases.
6593         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6594
6595         * gcc.dg/graphite/scop-14.c: New.
6596
6597 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6598             Adrien Eliche  <aeliche@isty.uvsq.fr>
6599
6600         * graphite.c (is_bb_addable): Add more comments and enhance
6601         readablity of the source code. Fix memory leak.
6602         (is_loop_exit): Fix memory leak.
6603
6604 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6605
6606         * graphite.c (first_loop_in_scop): Deleted.
6607         (setup_cloog_loop): Only walk the loop chain for inner loops.
6608         (build_scop_iteration_domain): Execute setup_cloog_loop for
6609         all loops in the first layer.
6610
6611 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6612
6613         * graphite.c (scan_tree_for_params): Change the way params are
6614         added to be indepenent of the number of loops.
6615         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6616         handling.
6617         (build_cloog_prog): Revert to short matrix format.
6618
6619 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6620             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6621
6622         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6623         warning.
6624
6625 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6626
6627         * graphite.c (nb_data_refs_in_scop): New.
6628         (graphite_transform_loops): Print more stats: number of
6629         loops, basic blocks and data references per scop.
6630
6631 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6632             Jan Sjodin  <jan.sjodin@amd.com>
6633
6634         * graphite.c (loop_affine_expr, idx_record_params,
6635         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6636         instead of instantiate_parameters.
6637
6638 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6639
6640         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6641         add support for parameters, add STATIC_SCHEDULE at the right places,
6642         cleanup.
6643
6644 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6645
6646         * graphite.c (build_scop_loop_nests): Only add the loops, that
6647         are contained completely in the SCoP.
6648         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6649         and the domains are fixed.
6650         (build_scop_canonical_schedules): Add support for bbs not contained
6651         in any SCoP.
6652
6653 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6654
6655         * graphite.h (scop_contains_loop): Update comments to match
6656         the actual behavior.
6657         (scop_contains_loop): New.
6658         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6659
6660 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6661
6662         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6663         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6664         as GBB_COND_HEADER.
6665
6666 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6667             Tobias Grosser  <grosser@fim.uni-passau.de>
6668
6669         * graphite.c (graphite_transform_loops): Early return when
6670         there are no loops in the function.
6671
6672 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6673             Jan Sjodin  <jan.sjodin@amd.com>
6674
6675         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6676         offset of the last loop.
6677         (setup_cloog_loop): Copy the entire outer constraint matrix.
6678
6679 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6680             Jan Sjodin  <jan.sjodin@amd.com>
6681
6682         * graphite.c (stmt_in_scop_p, function_parameter_p,
6683         invariant_in_scop_p): Removed.
6684         (scan_tree_for_params): Can be used with no constraint
6685         matrix for gathering parameters.
6686         (idx_record_params): Don't use idx_record_param, instead use
6687         scan_tree_for_params.
6688         (find_scop_parameters): Same.
6689         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6690         Fix the size of loop domains.
6691         (schedule_to_scattering): Exit when the outer loop is not in scop.
6692         (find_transform): Enable build_cloog_prog.
6693
6694 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6695             Jan Sjodin  <jan.sjodin@amd.com>
6696
6697         * graphite.c (schedule_to_scattering): Make scattering domains
6698         uniformly of the same size, as required by CLooG 0.14.0 and before.
6699
6700 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6701             Jan Sjodin  <jan.sjodin@amd.com>
6702
6703         * graphite.c (schedule_to_scattering): Rewrite, correct the
6704         translation of the scheduling function to scattering.
6705         (build_cloog_prog): Call schedule_to_scattering only once.
6706         * graphite.h (scop_loop_index): Do not fail for loops not
6707         in the scop: return -1.
6708
6709 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6710
6711         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6712         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6713         (setup_cloog_loop): Export GBB_DOMAIN.
6714         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6715         able to rebuild the original control flow.
6716         * graphite.h (graphite_bb): Add domain field and access macro.
6717         (GBB_DOMAIN): New.
6718
6719 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6720
6721         * graphite.c (debug_gbb): New.
6722         (print_scop, build_graphite_bb): Use SCOP_BBS.
6723         (build_scop_bbs): Reimplemented.
6724         (dfs_bb_in_scop_p): Removed.
6725         (build_scop_loop_nests): Reorder loops inserted in
6726         SCOP_LOOP_NEST: outer loops should come first.
6727         (build_scop_canonical_schedules): Reinitialize at zero
6728         the components of the SCOP_STATIC_SCHEDULE for the loops
6729         that have already been parsed.
6730
6731         * graphite.h (debug_gbb): Declared.
6732
6733 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6734             Jan Sjodin  <jan.sjodin@amd.com>
6735
6736         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6737         (graphite_loop_to_gcc_loop): Removed.
6738         (remove_all_edges): New.
6739         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6740         (gloog): Remove useless code.
6741
6742 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6743
6744         * graphite.c (get_bb_type): Reworked. We distinguish between
6745         loops with one or multiple exits.
6746         (is_loop_exit): New.
6747         (is_pred): New.
6748         (is_bb_addable): Rework condition handling, now support for case
6749         case statements and loops with multiple exits.
6750
6751         * gcc.dg/graphite/scop-11.c: New.
6752         * gcc.dg/graphite/scop-12.c: New.
6753         * gcc.dg/graphite/scop-13.c: New.
6754
6755 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6756
6757         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6758         we have too many colors.
6759
6760 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6761
6762         * doc/invoke.texi (-ftree-loop-fusion): Document.
6763         * tree-pass.h (pass_loop_fusion): Declared.
6764         * tree-loop-fusion.c: New.
6765         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6766         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6767         * tree-data-ref.h (find_data_references_in_loop): Declared.
6768         * common.opt (ftree-loop-fusion): Declared.
6769         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6770
6771 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6772
6773         * graphite.c (build_access_matrix): Fix typo from the merge.
6774
6775 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6776
6777         * Merge from mainline (130800:135673).
6778
6779 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6780
6781         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6782         Update dominators after splitting.
6783
6784 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6785
6786         * graphite.c (is_bb_addable): Return the harmful statement.
6787         Factor up some code.
6788         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6789         (build_scops_1): Call end_scop.
6790
6791 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6792
6793         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6794         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6795         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6796         build_scops_1): Removed.
6797         (build_scops_2): Renamed build_scops_1.
6798
6799 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6800
6801         * graphite.c: Fix formatting.
6802
6803 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6804
6805         * graphite.c (get_bb_type): New.
6806         (move_scops): New.
6807         (build_scops_2): New.
6808         (is_bb_addable): New.
6809         (build_scops): Switch the scop detection.
6810         (build_scop_bbs): Add entry bb to scop.
6811         * graphite.h (struct scop): Update comment.
6812
6813 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6814
6815         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6816         more colors.
6817
6818 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6819
6820         * gcc.dg/graphite/scop-1.c: Update.
6821         * gcc.dg/graphite/scop-2.c: Update.
6822         * gcc.dg/graphite/scop-4.c: Update.
6823         * gcc.dg/graphite/scop-5.c: Add.
6824         * gcc.dg/graphite/scop-6.c: Add.
6825
6826 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6827
6828         * gcc.dg/graphite/scop-0.c: Add.
6829         * gcc.dg/graphite/scop-7.c: Add.
6830         * gcc.dg/graphite/scop-8.c: Add.
6831         * gcc.dg/graphite/scop-9.c: Add.
6832         * gcc.dg/graphite/scop-10.c: Add.
6833
6834 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6835
6836         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6837         Check affine expressions depending on the outermost loop
6838         instead of a scop.
6839         (stmt_simple_for_scop_p): Same.
6840         (harmfule_stmt_in_scop): Same.
6841
6842 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6843
6844         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6845         mark entry and exit, that are not part of the SCoP and update HTML
6846         formatting.
6847
6848 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6849
6850         * graphite.c (basic_block_simple_for_scop_p): Renamed
6851         harmful_stmt_in_bb.
6852         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6853         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6854         (all_preds_visited_p, all_succs_visited_p,
6855         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6856         scop_end_loop): New.
6857         (build_scops): Do not use dfs_enumerate_from.
6858
6859         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6860
6861 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6862
6863         * graphite.c: Add comments to functions that are missing a
6864         description.
6865         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6866
6867 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6868
6869         * graphite.c (nb_params_in_scop): Moved...
6870         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6871         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6872         (clast_to_gcc_expression): Reduce column size to less than 80.
6873         (graphite_create_iv): Return the new name of the IV.
6874         (find_transform): Set options->esp and options->cpp.
6875         (gloog): Comment out the invalidation of the old loop code.
6876         (initialize_dependence_polyhedron): Replace scop_nb_params with
6877         nb_params_in_scop.
6878
6879         * graphite.h (nb_params_in_scop): ... here.
6880         (scop_nb_params): Removed.
6881         (loop_domain_dim): Return something even when the loop was not
6882         found in the hash table: avoid ICEing on all the graphite.exp
6883         testcases.
6884
6885 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6886
6887         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6888
6889         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6890         according to nesting level.
6891         (find_scop_parameters): Call instantiate_parameters.
6892         (scan_tree_for_params): Extend it to handle general affine bounds.
6893         Inner loop bound can depend on outer loop induction variable.
6894         (setup_cloog_loop): tmp variable is allocated on stack. Call
6895         instantiate_parameters with respect to outermost_loop_in_scop.
6896         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6897         graphite.h.
6898         (create_empty_loop): Function loopify should be given edge
6899         probability, instead of edge frequency. Dominance relation from
6900         switch_bb to loop_header.
6901         (clast_to_gcc_expression): Added handling of clast_reduction node.
6902         (gloog): New functionality for removing old loop.
6903         (test_dependence): Factored out from build_rdg_all_levels.
6904         (build_rdg_all_levels): Dependence testing factored out to
6905         test_dependence function.
6906
6907         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6908         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6909         from graphite.c
6910
6911 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6912
6913         * graphite.c (free_scop, param_index, initialize_cloog_names,
6914         nb_params_in_scop): Use name_tree map instead of just a tree
6915         for keeping track of the variable name associated to that tree.
6916         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6917         clast_to_gcc_expression, graphite_create_iv,
6918         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6919         graphite_stmt_to_gcc_stmt): New.
6920         (gloog): Call these.
6921         * graphite.h (struct name_tree): New.
6922         (struct scop): Use name_tree instead of tree for params.
6923         Store a vector of name_tree for new_ivs.
6924         (SCOP_NEWIVS): New.
6925         (scop_nb_params): Use name_tree instead of tree.
6926
6927 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6928             Sebastian Pop  <sebastian.pop@amd.com>
6929
6930         * tree-bounds.c: New.
6931         * tree-bounds.h: New.
6932         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6933         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6934         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6935         flag_mudflap.
6936         * gcc.c: Same.
6937         * toplev.c: Same.
6938         * c-cppbuiltin.c: Same.
6939         * c-pragma.c: Same.
6940         * common.opt: Same.
6941         * varasm.c: Same.
6942         * tree-outof-ssa.c: Same.
6943         * c-common.c: Same.
6944         * Makefile.in: Same.
6945
6946 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6947             Sebastian Pop  <sebastian.pop@amd.com>
6948
6949         * tree-loop-distribution.c (remaining_stmts,
6950         upstream_mem_writes): Removed static variables.
6951         (copy_loop_before, create_bb_after_loop,
6952         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6953         rdg_build_components, rdg_build_partitions,
6954         dump_rdg_partitions): Extern.
6955         (generate_loops_for_partition, generate_code_for_partition): Do not
6956         return a bool.
6957         (already_processed_vertex_p, predecessor_has_mem_write,
6958         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6959         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6960         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6961         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6962         Pass remaining_stmts and upstream_mem_writes as parameters.
6963         (rdg_component): Moved...
6964         (build_rdg_partition_for_component): Do not aggregate components when
6965         flag_streamize_loops is set.
6966         (gen_sequential_loops): New.
6967         (ldist_gen): Call gen_sequential_loops.
6968
6969         * tree-pass.h (pass_loop_streamization): Declared.
6970
6971         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6972         basic blocks when loops structures exist.
6973
6974         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6975
6976         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6977
6978         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6979         eliminate_local_variables_stmt, eliminate_local_variables,
6980         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6981         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6982         of code delimited by two edges in the CFG.
6983         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6984         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6985         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6986         the case of parallelisation of reductions.
6987         (create_loop_fn): Extern.
6988         (create_omp_parallel_region): New.
6989
6990         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6991         dump_data_reference for printing dra and drb.
6992         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6993         RDGE_RELATION.
6994         (build_rdg): Don't call free_dependence_relations for the moment, as
6995         we attach dependence relations on each edge of the RDG.
6996         To be fixed later.
6997
6998         * tree-data-ref.h (rdg_component): ...here.
6999         (struct rdg_edge): New field ddr_p relation.
7000         (RDGE_RELATION): New.
7001         (create_bb_after_loop, copy_loop_before,
7002         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7003         rdg_build_partitions, dump_rdg_partitions,
7004         free_rdg_components): Declared.
7005
7006         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7007         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7008
7009         * tree-loop-streamization.c: New.
7010
7011         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7012         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7013
7014         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7015
7016         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7017
7018         * passes.c: Schedule pass_loop_streamization.
7019
7020 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7021
7022         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7023         update comment.
7024
7025 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7026
7027         * graphite.c (dot_all_scops): Update formatting.
7028         Bbs can now be part of more than one SCoP.
7029
7030 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7031
7032         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7033         malloc problems.
7034         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7035         * graphite.h (loop_to_cloog_loop): New.
7036
7037 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7038
7039         * graphite.c (loop_domain_dim, ref_nb_loops,
7040         loop_iteration_vector_dim): New.
7041         (build_access_matrix_with_af, build_access_matrix,
7042         initialize_dependence_polyhedron): Fixed for new matrix layout.
7043         No longer assume that all iteration domains are of the same
7044         dimensionality.
7045
7046 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7047
7048         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7049         defined in a loop at depth 0 is invariant.
7050         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7051         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7052         be called at loop depth 0.
7053
7054         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7055         a parameter.
7056         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7057         (down_open_scop): Removed.
7058         (loop_in_scop_p): Redefined.
7059         (scop_affine_expr): New argument: scop.
7060         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7061         a harmful statement ending a scop.
7062         (basic_block_simple_for_scop_p): New argument: scop.
7063         (get_loop_start): Removed.
7064         (new_scop): Initialize SCOP_LOOPS.
7065         (free_scop): Free SCOP_LOOPS.
7066         (succs_at_same_depth, preds_at_same_depth): New.
7067         (end_scop): Test the validity of a scop.
7068         (add_dominators_to_open_scops): New.
7069         (test_for_scop_bound): Call add_dominators_to_open_scops.
7070         Add cases for opening and closing multiple scops.
7071         (build_scops, build_scop_bbs): Iterate over basic blocks in
7072         depth first order.
7073         (build_graphite_bb): Pass scop directly.
7074         (dfs_bb_in_scop_p): New.
7075         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7076         several times.
7077         (nb_loops_around_gb): Use loop_in_scop_p.
7078         (schedule_to_scattering): Disabled for the moment the code computing
7079         the "textual order for outer loop".
7080
7081         * graphite.h (struct scop): New field loops.
7082         (SCOP_LOOPS): New.
7083         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7084
7085         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7086
7087 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7088             Sebastian Pop  <sebastian.pop@amd.com>
7089
7090         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7091         * common.opt (fstreamize-loops): New.
7092         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7093         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7094         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7095         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7096
7097 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7098
7099         * tree-data-ref.c (build_empty_rdg): New.
7100         (build_rdg): Use it.
7101         * tree-data-ref.h (build_empty_rdg): Declared.
7102         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7103         (find_vertex_for_stmt): Removed.
7104         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7105
7106 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7107
7108         * tree-loop-distribution.c (generate_builtin): After cancelling the
7109         loop tree, also delete basic blocks.
7110         (rdg_flag_uses): Stop recursion when a vertex has already been
7111         processed.
7112
7113 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7114
7115         * graphite.c (build_scop_alpha): Removed.
7116         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7117         and dump_dependence_graph to avoid compiler warnings.
7118
7119 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7120
7121         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7122         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7123         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7124         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7125         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7126         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7127         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7128         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7129         dump_dependence_graph): New.
7130         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7131         (GBB_ALPHA): New.
7132         (struct scop): New field loop2cloog_loop.
7133         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7134         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7135
7136 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7137
7138         * graphite.c (build_graphite_bb): Fix initialization
7139         of the graphite basic block.
7140
7141 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7142
7143         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7144         loop domain matrix.  Pass in the number of loops contained in the
7145         constraint matrix.
7146         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7147         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7148         loops that are not surrounding the current loop are not represented
7149         in the domain constraint matrix.
7150         (build_scop_iteration_domain): Initial domain constraint matrix
7151         contains only the eq/ineq, cst, and scop parameters columns.
7152
7153 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7154
7155         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7156         (print_graphite_bb): Print scattering.
7157
7158 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7159
7160         * graphite.c (initialize_cloog_names): Initialize names of
7161         scattering variables.
7162
7163 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7164
7165         * graphite.c (dot_all_scops_1): Disable debug output while
7166         printing graph.
7167
7168 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7169
7170         * graphite.c (find_transform): Change cloog output language to C.
7171
7172 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7173
7174         * tree-loop-distribution.c (generate_memset_zero,
7175         generate_builtin, generate_code_for_partition,
7176         rdg_flag_all_uses): New.
7177         (rdg_flag_uses): Gather in the same partition the statements defining
7178         the VUSES of the current statement.
7179         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7180         Gather in the same partition not only the stores to the same memory
7181         access, but also the reads.
7182         (ldist_generate_loops): Renamed ldist_gen.
7183
7184 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7185             Tobias Grosser  <grosser@fmi.uni-passau.de>
7186
7187         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7188         next pointer, don't use the inner pointer.
7189
7190 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7191
7192         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7193         (find_transform): Call dot_all_1.
7194         * graphite.h (dot_all_scops): Declared.
7195
7196 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7197
7198         * tree-loop-distribution.c: Fix apsi.f ICE.
7199         (create_bb_after_loop): New.
7200         (generate_loops_for_partition): Use it.
7201         * gfortran.dg/ldist-1.f90: New.
7202
7203         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7204         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7205
7206 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7207
7208         * graphite.c (find_transform): Dump cloog program sent to cloog.
7209
7210 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7211
7212         * graphite.c (initialize_cloog_names): Initialize cloog
7213         iterator names.
7214
7215 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7216
7217         * graphite.c (build_scop_context): Fix typo, for the matrix
7218         format: insert '0 >= 0' instead of '-1 >= 0'.
7219
7220 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7221
7222         * Fix merge problems.
7223
7224 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7225
7226         * graphite.c (setup_cloog_loop): Fix typo.
7227
7228 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7229
7230         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7231         * tree-loop-distribution.c: Reimplemented.
7232         * tree-pass.h (pass_loop_distribution): New.
7233         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7234         print_loops.
7235         * graphds.h (struct graph): New field indexes.
7236         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7237
7238         * tree-vect-analyze.c: Remove declaration of static functions when not
7239         needed.
7240         * tree-vectorizer.c: Same.
7241         (rename_variables_in_loop): Now extern.
7242         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7243         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7244         calling redirect_edge_and_branch_force.
7245
7246         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7247
7248         * tree-data-ref.c: Don't include tree-chrec.h.
7249         (debug_data_dependence_relations): New.
7250         (dump_data_dependence_relation): Call dump_data_reference on data refs
7251         in the relation.
7252         (same_access_functions): Moved...
7253         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7254         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7255         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7256         struct rdg_vertex_info, ): New.
7257         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7258         at DDR_REVERSED_P.
7259         (create_rdg_vertices): Initialize the htab of graph->indexes.
7260         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7261         (stmts_from_loop): Don't save LABEL_EXPR.
7262         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7263         hash_stmt_vertex_del): New.
7264         (build_rdg): Initialize rdg->indexes.
7265         (free_rdg, stores_from_loop, ref_base_address,
7266         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7267         have_similar_memory_accesses_1, ref_base_address_1,
7268         remove_similar_memory_refs): New.
7269
7270         * tree-data-ref.h: Include tree-chrec.h.
7271         (debug_data_dependence_relations): Declared.
7272         (same_access_functions): ...here.  Now static inline.
7273         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7274         ddr_dependence_level): New.
7275         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7276         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7277         RDG_MEM_READS_STMT): New.
7278         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7279         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7280         rdg_vertex_for_stmt): Declared.
7281         (struct rdg_edge): New field level.
7282         (RDGE_LEVEL, free_rdg): New.
7283         (stores_from_loop, remove_similar_memory_refs,
7284         rdg_defs_used_in_other_loops_p,
7285         have_similar_memory_accesses): Declared.
7286         (rdg_has_similar_memory_accesses): New.
7287
7288         * lambda.h (dependence_level): New.
7289         * common.opt (ftree-loop-distribution): New.
7290         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7291         (print_loop_ir): Renamed print_loops.
7292         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7293         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7294         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7295         (tree-loop-distribution.o): Added.
7296         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7297         (mark_virtual_ops_in_bb): New.
7298         (print_loops_bb, debug_loop_num, debug_loop): New.
7299         * passes.c: Scheduled pass_loop_distribution.
7300
7301 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7302
7303         * graphite.c (scan_tree_for_params): Correct the number of columns
7304         for polylib format.
7305         (nb_flat_iterator): New.
7306         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7307         (build_scop_iteration_domain): Correct the number of columns for
7308         polylib format.
7309
7310 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7311
7312         * Merge from mainline (129697:130800).
7313
7314 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7315
7316         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7317         dominated by SCoP's exit.
7318         (graphite_transform_loops): Compute post dominators.
7319
7320 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7321
7322         * Merge from mainline (127169:129697).
7323
7324 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7325
7326         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7327         parameter for the basic block that contains the expression.  Use
7328         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7329         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7330         the expression.
7331         * graphite.h (gbb_loop): New.
7332         (GBB_LOOP): Removed.
7333
7334 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7335
7336         * Makefile.in: Fix merge problem.
7337
7338 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7339
7340         * Merge from mainline (125309:127169).
7341         * tree-loop-distribution.c: Disabled.
7342
7343 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7344
7345         * Merge from mainline (r123693:125309).
7346
7347 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7348
7349         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7350         correct_modify_p
7351         (correct_modify_p, check_statements, number_of_lvalue_uses,
7352         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7353         instead of MODIFY_EXPR.
7354         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7355         and push new edges.
7356
7357 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7358
7359         * tree-loop-distribution.c (struct rdg): Replace arrays by
7360         VECs for edges and vertices.
7361         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7362         (RDGV_NB_PARTITIONS): New.
7363         (PRDG_NBV, PRDG_NBE): Removed.
7364         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7365         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7366         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7367
7368 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7369             Sebastian Pop  <sebpop@gmail.com>
7370
7371         * doc/invoke.texi (-ftree-loop-distribution): Document.
7372         * tree-loop-distribution.c: New file.
7373         * tree-pass.h (pass_loop_distribution): Declared.
7374         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7375         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7376         and set reversed_p.
7377         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7378         (DDR_REVERSED_P): New.
7379         * common.opt (-ftree-loop-distribution): New.
7380         * tree-flow.h (distribute_loops): Declared.
7381         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7382         * passes.c (init_optimization_passes): Schedule loop distribution.
7383
7384 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7385
7386         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7387         (print_scop): Don't print when scop is NULL.
7388         (build_scop_context, find_transform): Don't output to stderr.
7389
7390 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7391
7392         * tree-data-ref.c: Don't include graphite.h.
7393         Comment out the code for printing data reference's scop.
7394         (build_access_matrix_with_af): Moved...
7395         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7396         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7397         (print_graphite_bb): Print basic block's schedule.
7398         (print_scop): Don't print the schedule, call cloog's pretty printer.
7399         (bb_in_scop_p): A basic block is in a scop only if it is both
7400         dominated and postdominated by the scop's entry and exit basic blocks.
7401         (function_parameter_p): New.
7402         (invariant_in_scop_p): Use function_parameter_p.
7403         (new_scop, save_scop): New.
7404         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7405         save_scop.
7406         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7407         (loop_in_scop_p): New.
7408         (scop_record_loop): Use loop_in_scop_p.
7409         (build_scop_domain): Renamed build_scop_iteration_domain.
7410         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7411         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7412         setup_cloog_loop, dot_scop_1, dot_scop): New.
7413         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7414         (struct scop): Add a pointer to cloog's representation of a program.
7415
7416 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7417
7418         * doc/invoke.texi (-ftree-check-verbose): Renamed
7419         -ftree-checks-verbose.
7420         * common.opt (flag_tree_check_verbose): Renamed
7421         flag_tree_checks_verbose.
7422         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7423
7424 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7425
7426         * configure: Regenerated.
7427         * config.in: Regenerated.
7428         * tree-ssa-loop.c (graphite_transforms): Execute
7429         graphite_transform_loops only when HAVE_cloog.
7430         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7431         * graphite.c: Include polylibgmp.h and cloog.h.
7432         (graphite_transform_loops): Removed loops parameter.
7433         * tree-flow.h (graphite_transform_loops): Update declaration.
7434         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7435         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7436         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7437         (OBJS-common): Remove dependence on graphite.o.
7438         (BACKEND): Depend on @GRAPHITE@.
7439
7440 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7441
7442         * doc/invoke.texi (-ftree-check-verbose): Documented.
7443         * gcc.dg/tree-checker/tree-checks-1.c: New.
7444         * gcc.dg/tree-checker/tree-checks-2.c: New.
7445         * gcc.dg/tree-checker/tree-checks-3.c: New.
7446         * gcc.dg/tree-checker/tree-checks-4.c: New.
7447         * gcc.dg/tree-checker/tree-checks.exp: New.
7448         * gcc.dg/tree-checker/condates.crp: New.
7449         * common.opt (ftree-checks-verbose): New.
7450         * tree-check.c (tree_check_warning): Move extra stderr output
7451         under control of flag_tree_check_verbose.
7452
7453 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7454
7455         * tree-match.c: Fix comments formatting.
7456         * tree-match.h: Fix comments formatting.
7457         * tree-check.c: Fix comments formatting.
7458         (tree_check_init): Restructure.
7459
7460 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7461
7462         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7463
7464 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7465
7466         * Merge from mainline (r120733:123693).
7467
7468 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7469
7470         * condate.y: New file.
7471         * tree-match.h (struct patt_info_s): New field sign.
7472         (struct condate_s): New field msg.
7473         (normalize_condate, name_condate, add_condate): New.
7474         (conds[], condate_parse): Made extern.
7475         * tree-check.c (tree_check_warning): First arg changed to cond;
7476         warning reformatted.
7477         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7478         (tree_scan): New.
7479         (tree_check): Process trivial condates.
7480         (read_delimited_string): Removed.
7481         (print_cond): Print name and msg.
7482         (conds[]): Made extern.
7483         (parse_tree_check_file_once): Rewritten to use the parser in
7484         condate.y.
7485         Processing of option --tree_check_string moved to tree_scan().
7486         * Makefile.in: Added condate.y
7487
7488 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7489
7490         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7491         Use VECs instead of varrays.
7492         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7493         * Makefile.in (pretty-print.o): Depend on vec.h.
7494         * pretty-print.c: Include tree.h and vec.h.
7495         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7496         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7497         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7498         pp_free_list): Use VECs instead of varrays.
7499         * pretty-print.h: Do not include varray.h.
7500         (struct tree_chunk_s): Declaration moved before its use.
7501         (output_buffer): Rename varray field to chunks.
7502         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7503         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7504         save_global_holes): Use VECs instead of varrays.
7505         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7506         * tree-check.c (scan_cfg_stmts, push_node,
7507         print_matching_stmt): Removed.
7508         (tree_check_instance, push_global_holes_if_new, tree_check,
7509         execute_tree_check): Use VECs instead of varrays.
7510         (gate_tree_check): Don't execute the CFG check when basic_block_info
7511         is not available.
7512
7513 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7514
7515         * Merge from mainline (r115016:120733).
7516
7517 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7518
7519         * Merge from mainline (r117632:117661).
7520
7521 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7522
7523         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7524         * tree-pass.h (TDF_DEBUG, debug_p): New.
7525         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7526         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7527         get_loop_exit_condition, analyze_evolution_in_loop,
7528         analyze_initial_condition, analyze_scalar_evolution,
7529         instantiate_parameters, number_of_latch_executions): Use debug_p.
7530         * tree-chrec.c (chrec_apply): Use debug_p.
7531         * tree-data-ref.c: Include graphite.h.
7532         (dump_data_reference): Print also the access matrix.
7533         (analyze_array, analyze_indirect_ref, init_data_ref,
7534         analyze_offset_expr, address_analysis, object_analysis,
7535         create_data_ref, finalize_ddr_dependent,
7536         non_affine_dependence_relation, analyze_ziv_subscript,
7537         analyze_siv_subscript_cst_affine,
7538         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7539         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7540         analyze_miv_subscript, analyze_overlapping_iterations,
7541         build_classic_dist_vector, subscript_dependence_tester,
7542         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7543         (build_access_matrix_with_af): No longer static.
7544         * tree-data-ref.h (scop_p): ... declaration here.
7545         (data_reference.scop): New field.
7546         (DR_SCOP, DR_ACCESS_MATRIX): New.
7547         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7548         * graphite.c (print_graphite_bb): Call dump_data_references.
7549         (print_scop): Use scop_nb_loops and scop_dim_domain.
7550         (test_for_scop_bound): Use debug_p.
7551         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7552         scop_nb_params.
7553         (scop_loop_index): Moved...
7554         (scop_record_loop): New.
7555         (build_scop_loop_nests): Use scop_record_loop.
7556         (build_scop_domain): Use scop_dim_domain.
7557         (build_access_matrix): Implemented.
7558         (build_scop_canonical_schedules): Use scop_nb_loops.
7559         (build_graphite_bb): Initialize GBB_SCOP.
7560         * graphite.h (scop_p): Moved...
7561         (graphite_bb.scop): New field.
7562         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7563         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7564         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7565         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7566         scop_loop_index): New.
7567         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7568
7569 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7570
7571         * Merge from mainline (r117661:120450).
7572
7573 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7574
7575         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7576         at the first declaration outside the varying loop, instantiate as
7577         far as possible.
7578         * tree-chrec.c (for_each_scev_op): New.
7579         * tree-chrec.h (for_each_scev_op): Declared.
7580         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7581         * tree-data-ref.c (get_references_in_stmt,
7582         find_data_references_in_stmt): New, from trunk.
7583         (find_data_references_in_loop): Use get_references_in_stmt
7584         and find_data_references_in_loop, modified as in trunk.
7585         (build_access_matrix_with_af): New.
7586         * tree-data-ref.h (data_reference): Add a field access_matrix.
7587         (data_ref_loc): New, as in trunk.
7588         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7589         invariant_in_scop_p, param_index, scan_tree_for_params,
7590         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7591         idx_record_param, idx_record_params, build_access_matrix,
7592         build_scop_data_accesses, build_scop_canonical_schedules,
7593         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7594         build_scop_params): New.
7595         * graphite.h (graphite_bb): New.
7596         (scop): Add fields static_schedule, params, loop_nest,
7597         iteration_domain.
7598         * lambda.h: Declare vecs of lambda_matrix.
7599         * tree-flow.h (print_loop_ir_bb): Declared.
7600         * tree-cfg.c (print_loop_ir_bb): New.
7601         (print_loop): Use print_loop_ir_bb.
7602
7603 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7604
7605         * Merge from mainline (r115016:117632).
7606
7607 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7608
7609         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7610         break due to a warning.
7611
7612 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7613
7614         * graphite.c (print_scops, debug_scops): New.
7615         (graphite_transform): Renamed graphite_find_transform.
7616         * graphite.h (debug_scops): Declared.
7617
7618 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7619
7620         * tree-match.c: Reformat following the GNU style.
7621         * tree-match.h: Reformat following the GNU style.
7622         * tree-pattern.h: Removed empty file.
7623         * Makefile.in: Remove references to tree-pattern.h.
7624         * tree-check.c: Reformat following the GNU style.
7625         (execute_tree_check): Move gate condition code to...
7626         (gate_tree_check): ...here.  New function.
7627         (pass_check): Use the gate function.
7628
7629 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7630
7631         * tree-pattern.h: New. Tree pattern matching and checking using
7632         concrete syntax.
7633         * tree-check.c: New. Tree/CFG checking pass.
7634         * tree-match.c: New. Library for tree pattern matching.
7635         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7636         * toplev.c, flags.h: Add globals for tree-check pass.
7637         * Makefile.in: Integrate the files in tree-check pass.
7638         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7639         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7640         Introduce a "lazy" pretty-print mode.
7641         * tree.c, tree.h: Add tree_name.
7642
7643 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7644
7645         * doc/invoke.texi (-fgraphite): Correct typo.
7646         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7647         use of print_loop_ir.
7648         * gcc.dg/graphite/scop-1.c: New.
7649         * gcc.dg/graphite/scop-2.c: New.
7650         * gcc.dg/graphite/graphite.exp: New.
7651         * graphite.c: Include domwalk.h.
7652         (print_scop): Print only the entry and exit blocks.
7653         (debug_scop): No longer static.
7654         (affine_expr): Fix formating.  Return also true when the expression is
7655         constant.
7656         (stmt_simple_for_scop_p): Fix formating.
7657         (build_scops): Use domwalk.
7658         (get_loop_start, end_scop, test_for_scop_bound): New.
7659         (graphite_transform_loops): Avoid printing on stderr.
7660         * graphite.h (debug_scop): Declared.
7661         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7662         * Makefile.in (graphite.o): Depend on domwalk.h.
7663         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7664         declarations for static functions.
7665         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7666         controlling output verbosity.
7667
7668 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7669             Plesco Alexandru  <shurikx@gmail.com>
7670
7671         * doc/invoke.texi (-fgraphite): Document.
7672         * tree-pass.h (pass_graphite_transforms): Declared.
7673         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7674         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7675         (pass_graphite_transforms): Defined.
7676         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7677         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7678         * graphite.c, graphite.h: New.
7679         * common.opt (fgraphite): Declared.
7680         * tree-flow.h (graphite_transform_loops): Declared.
7681         * Makefile.in (OBJS-common): Add graphite.o.
7682         (graphite.o): New rule.
7683         * passes.c (pass_graphite_transforms): Scheduled.
7684