gcc/ChangeLog.graphite

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