gcc/ChangeLog.graphite

   1 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
   4
   5 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
   6
   7         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
   8         * cfgloop.h (struct loop): Remove single_iv field.
   9         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
  10         (scop_canonicalize_loops): Removed.
  11         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
  12         over all the loop phi nodes in loop->header.
  13         (build_poly_scop): Remove use of scop_canonicalize_loops.
  14
  15 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
  18         handle GIMPLE_CALL.
  19
  20 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * tree-chrec.c (chrec_apply): Should only apply to the specified
  23         variable.  Also handle multivariate chains of recurrences that
  24         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
  25
  26 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  27
  28         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
  29         (debug_clast_name_indexes_1): Removed.
  30         (debug_clast_name_indexes): Removed.
  31         (pbb_to_depth_to_oldiv): Removed.
  32         (build_iv_mapping): Replace the use of rename_map with iv_map.
  33         (translate_clast_user): Remove uses of rename_map.  Allocate and
  34         free iv_map.
  35         (translate_clast_for_loop): Remove uses of rename_map.
  36         (translate_clast_for): Same.
  37         (translate_clast_guard): Same.
  38         (translate_clast): Same.
  39         (gloog): Same.
  40         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
  41         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
  42         * sese.c (set_rename): Now static.
  43         (rename_variables_in_stmt): Removed.
  44         (rename_uses): New.
  45         (is_parameter): Removed.
  46         (is_iv): Removed.
  47         (expand_scalar_variables_call): Removed.
  48         (expand_scalar_variables_ssa_name): Removed.
  49         (expand_scalar_variables_expr): Removed.
  50         (expand_scalar_variables_stmt): Removed.
  51         (expand_scalar_variables): Removed.
  52         (rename_variables): Removed.
  53         (remove_condition): Removed.
  54         (get_true_edge_from_guard_bb): Removed.
  55         (get_false_edge_from_guard_bb): Removed.
  56         (struct igp): Removed.
  57         (default_before_guard): Removed.
  58         (convert_for_phi_arg): Removed.
  59         (add_guard_exit_phis): Removed.
  60         (insert_guard_phis): Removed.
  61         (graphite_copy_stmts_from_block): Now also uses iv_map and a
  62         region.  Do not copy conditions.  Do not copy induction variables.
  63         Call rename_uses.
  64         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
  65         the translated statement.  Use the iv_map for the induction
  66         variable renaming.
  67         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
  68         (set_rename): Removed declaration.
  69         (scev_analyzable_p): ...here.
  70         * tree-chrec.c (chrec_apply_map): New.
  71         * tree-chrec.h (chrec_apply_map): Declared.
  72
  73 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
  76         insert_loop_close_phis.
  77         * sese.c (name_defined_in_loop_p): Removed.
  78         (expr_defined_in_loop_p): Removed.
  79         (alive_after_loop): Removed.
  80         (close_phi_not_yet_inserted_p): Removed.
  81         (struct alep): Removed.
  82         (add_loop_exit_phis): Removed.
  83         (insert_loop_close_phis): Removed.
  84
  85 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  86
  87         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
  88         condition.
  89         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
  90
  91 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
  92
  93         * gfortran.dg/graphite/id-20.f: New.
  94
  95 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  96
  97         * graphite-cloog-util.h: Added cloog.h.
  98         * graphite-blocking.c: Removed cloog.h.
  99         * graphite-dependences.c: Same.
 100         * graphite-interchange.c: Same.
 101         * graphite-poly.c: Same.
 102         * graphite-ppl.c: Same.
 103         * graphite-scop-detection.c: Same.
 104         * graphite-sese-to-poly.c:
 105         Removed cloog.h.
 106         Removed graphite-clast-to-gimple.h.
 107         (check_poly_representation): Removed (unused).
 108         * graphite-sese-to-poly.h
 109         (check_poly_representation): Removed (unused).
 110
 111 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 112
 113         * Makefile.in
 114         (OBJS-common): Added graphite-cloog-util.o.
 115         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 116         (graphite-cloog-util.o): New.
 117         (graphite-ppl.o): Added graphite-cloog-util.h.
 118         * graphite-clast-to-gimple.c:
 119         Added graphite-cloog-util.h to include statements.
 120         * graphite-cloog-util.c: New.
 121         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 122         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 123         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 124         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 125         (ppl_Constrain_System_number_of_constraints): Same.
 126         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 127         (oppose_constraint): Same.
 128         (cloog_matrix_to_ppl_constraint): Same.
 129         (new_Constraint_System_from_Cloog_Matrix): Same.
 130         (insert_constraint_into_matrix): Same. Declared static.
 131         * graphite-cloog-util.h: New.
 132         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 133         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 134         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 135         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 136         (insert_constraint_into_matrix): Same.
 137         * graphite-ppl.c:
 138         Added graphite-cloog-util.h to include statements.
 139         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 140         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 141         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 142         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 143         (insert_constraint_into_matrix): Same.
 144         (ppl_Constrain_System_number_of_constraints): Same.
 145         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 146         (oppose_constraint): Same.
 147         (cloog_matrix_to_ppl_constraint): Same.
 148         (new_Constraint_System_from_Cloog_Matrix): Same.
 149         * graphite-ppl.h:
 150         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 151         graphite-cloog-util.h.
 152         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 153         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 154         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 155         (insert_constraint_into_matrix): Removed.
 156
 157 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 158
 159         * graphite-clast-to-gimple.c
 160         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 161         (precision_for_interval): Same.
 162         (gcc_type_for_interval): Same.
 163         (compute_type_for_level): Same.
 164         * graphite-interchange.c
 165         (lst_interchange_profitable_p): Same.
 166         * graphite-poly.c
 167         (psct_scattering_dim_for_loop_depth): Same.
 168         * graphite-ppl.c
 169         (ppl_max_for_le_pointset): Same.
 170         (ppl_min_for_le_pointset): Same.
 171
 172 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 173
 174         * refined-regions.c (bb_index_compare): New.
 175         (get_bbs_in_region): New.
 176         (print_bbs_in_region): New.
 177         (print_refined_region): Add an argument that allows to print
 178         all basic blocks contained in regions.
 179         (debug_refined_region): Update call to print_refined_region.
 180         * refined-regions.h (print_refined_region): Update declaration.
 181         (get_bbs_in_region): Declared.
 182         * graphite-scop-detection.c (build_scops_new): Print the refined
 183         region tree into the Grahite dump file.
 184
 185 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 188         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 189
 190 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 191
 192         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 193         rewrite_close_phi_out_of_ssa.
 194
 195         * gcc.dg/graphite/id-22.c: New.
 196
 197 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 198
 199         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 200
 201 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 204         rename_map.
 205         * sese.c (debug_rename_map): Same.
 206         (get_rename): Same.
 207         (set_rename): Same.
 208         (rename_variables_in_stmt): Same.
 209         (expand_scalar_variables_call): Same.
 210         (expand_scalar_variables_ssa_name): Same.
 211         (expand_scalar_variables_expr): Same.
 212         (expand_scalar_variables_stmt): Same.
 213         (expand_scalar_variables): Same.
 214         (rename_variables): Same.
 215         (graphite_copy_stmts_from_block): Same.
 216         (copy_bb_and_scalar_dependences): Same.
 217
 218 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 219
 220         * graphite-clast-to-gimple.c (copy_renames): Removed.
 221         (translate_clast_for): Do not call copy_renames.
 222         (translate_clast_guard): Same.
 223
 224 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 225
 226         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 227         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 228         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 229         before rewrite_cross_bb_scalar_deps.
 230
 231 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 234         Early return in when flag_associative_math is not set.
 235
 236 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 237
 238         * gcc.dg/graphite/run-id-2.c: Call abort.
 239
 240 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 241
 242         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 243         of SSA copies on edges except for loop->latch.
 244
 245 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 246
 247         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 248         Split out of rewrite_reductions_out_of_ssa.
 249         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 250         Declared.
 251         * graphite.c (graphite_transform_loops): Call it.
 252
 253 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 254
 255         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 256
 257 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         * passes.c (init_optimization_passes): Add pass_graphite.
 260         Schedule a pass_copy_prop before pass_graphite_transforms.
 261         * timevar.def (TV_GRAPHITE): Declared.
 262         * tree-pass.h (pass_graphite): Declared.
 263         * tree-ssa-loop.c (pass_graphite): New.
 264
 265         * gcc.dg/graphite/id-20.c: New.
 266
 267 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 268
 269         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 270         Remove calls to rename_nb_iterations and rename_sese_parameters.
 271         * graphite-clast-to-gimple.h (gloog): Update declaration.
 272         * graphite.c (graphite_transform_loops): Update call to gloog.
 273         * sese.c (rename_variables_in_expr): Removed.
 274         (rename_nb_iterations): Removed.
 275         (rename_sese_parameters): Removed.
 276         * sese.h (rename_nb_iterations): Removed.
 277         (rename_sese_parameters): Removed.
 278
 279 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 280
 281         * graphite-clast-to-gimple.c (gloog): Remove call to
 282         sese_adjust_liveout_phis.
 283         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 284         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 285         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 286         rewrite_phi_out_of_ssa.
 287         * sese.c (get_vdef_before_sese): Removed.
 288         (sese_adjust_vphi): Removed.
 289         (sese_adjust_liveout_phis): Removed.
 290         * sese.h (sese_adjust_liveout_phis): Removed.
 291
 292 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 293
 294         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 295         argument for the place after which to insert the out of SSA copy.
 296         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 297         (rewrite_phi_out_of_ssa): Same.
 298         (rewrite_cross_bb_scalar_deps): Same.
 299         (insert_copyout): Removed.
 300         (insert_copyin): Removed.
 301         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 302         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 303         insert_copyin.
 304
 305 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 306
 307         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 308         (rewrite_reductions_out_of_ssa): Same.
 309         (rewrite_commutative_reductions_out_of_ssa): Same.
 310         (build_poly_scop): Do not call these functions.
 311         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 312         (rewrite_reductions_out_of_ssa): Declared.
 313         (rewrite_commutative_reductions_out_of_ssa): Declared.
 314         * graphite.c (graphite_transform_loops): Call on every scop
 315         rewrite_commutative_reductions_out_of_ssa before calling
 316         rewrite_reductions_out_of_ssa and build_scop_bbs.
 317
 318 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 319
 320         * graphite-dependences.c (dot_deps): Make system call to dotty run
 321         in background.
 322         (dot_deps_stmt): Same.
 323         * graphite-poly.c (dot_lst): Same.
 324
 325 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 326
 327         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 328         old_type in parameter.
 329         (gcc_type_for_value): Update call to gcc_type_for_interval.
 330         (compute_type_for_level_1): Renamed compute_type_for_level.
 331         Update call to gcc_type_for_interval.
 332
 333 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 334
 335         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 336         the scev analysis when the variable is not used outside the loop
 337         in a close phi node: call compute_overall_effect_of_inner_loop.
 338
 339 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 342         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 343         (build_sese_conditions_before): Renamed call to single_pred_cond.
 344         (build_sese_conditions_after): Same.
 345
 346 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 347
 348         * graphite-poly.h: Fix comments and indentation.
 349         * graphite-sese-to-poly.c: Same.
 350         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 351         * tree-chrec.c: Fix comments and indentation.
 352         (tree-ssa-loop-niter.c): Same.
 353
 354 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 355
 356         * refined-regions.c (create_region): Only initialize the region.
 357         (find_regions_with_entry): Initialize parent relation and bbmap
 358         correctly.
 359         (build_regions_tree): Set outermost_region to region instead of
 360         topmost_region.
 361         (calculate_region_tree): Remove unneeded parameters.
 362
 363 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 364
 365         * graphite-scop-detection.c (is_scop_p): New.
 366         (build_scops_new): New. A skeleton for the new scop detection.
 367         (build_scops_old): Renamed from build_scops.
 368         (build_scops): New version. Call the new and the old scop
 369         detection.
 370
 371 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 372             Antoniu Pop  <antoniu.pop@gmail.com>
 373
 374         * Makefile.in (OBJS-common): Add refined-regions.o.
 375         (refined-regions.o): New.
 376         (graphite-scop-detection.o): Use refined-regions.h.
 377         * graphite-scop-detection.c: Include refined-regions.h
 378         (build_scops): Also build the refined region tree.
 379         * refined-regions.c: New. Adds an algorithm to detect refined
 380         regions.
 381         (print_refined_region): New.
 382         (debug_refined_region): New.
 383         (refined_region_contains_bb_p): New.
 384         (refined_region_contains_region_p): New.
 385         (is_common_df): New.
 386         (struct find_regions_global_data): New.
 387         (is_region): New.
 388         (typedef struct bb_bb_def): New.
 389         (new_bb_bb_def): New.
 390         (bb_bb_map_hash): New.
 391         (eq_bb_bb_map): New.
 392         (find_new_bb): New.
 393         (bb_reg_def): New.
 394         (new_bb_reg_def): New.
 395         (bb_reg_map_hash): New.
 396         (eq_bb_reg_map): New.
 397         (find_new_region): New.
 398         (insert_new_reg): New.
 399         (insert_new_bb): New.
 400         (insert_shortcut): New.
 401         (get_next_postdom): New.
 402         (create_region): New.
 403         (find_regions_with_entry): New.
 404         (find_regions_adc): New.
 405         (find_regions): New.
 406         (get_topmost_parent): New.
 407         (build_regions_tree): New.
 408         (calculate_region_tree): New.
 409         (free_region_tree): New.
 410         * refined-regions.h: New.
 411         (struct refined_region): New.
 412         (calculate_region_tree): New.
 413         (free_region_tree): New.
 414         (refined_region_contains_bb_p): New.
 415         (refined_region_contains_region_p): New.
 416         (print_refined_region): New.
 417         (debug_refined_region): New.
 418
 419 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 422         size_one_node.
 423
 424 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 427         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 428
 429 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 430
 431         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 432         phi_arg_in_outermost_loop.
 433         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 434         (remove_invariant_phi): Same.
 435
 436 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 437
 438         * graphite-blocking.c
 439         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 440         * graphite-clast-to-gimple.c
 441         (clast_to_gcc_expression): Same.
 442         (precision_for_value): Same.
 443         (precision_for_interval): Same.
 444         (gcc_type_for_interval): Same.
 445         (graphite_create_new_guard): Same.
 446         (compute_bounds_for_level): Same.
 447         (graphite_create_new_loop_guard): Same.
 448         * graphite-interchange.c
 449         (build_linearized_memory_access): Same.
 450         (pdr_stride_in_loop): Same.
 451         (memory_strides_in_loop_1): Same.
 452         (memory_strides_in_loop): Same.
 453         (extend_scattering): Same.
 454         (psct_scattering_dim_for_loop_depth): Same.
 455         (pbb_number_of_iterations): Same.
 456         * graphite-poly.h
 457         (debug_iteration_domains): Same.
 458         * graphite-ppl.c
 459         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 460         (ppl_set_inhomogeneous_gmp): Same.
 461         (ppl_strip_loop): Same.
 462         (ppl_lexico_compare_linear_expressions): Same.
 463         (ppl_read_polyhedron_matrix): Same.
 464         (ppl_max_for_le_pointset): Same.
 465         * graphite-ppl.h
 466         (ppl_read_polyhedron_matrix): Same.
 467         (tree_int_to_gmp): Same.
 468         (gmp_cst_to_tree): Same.
 469         (ppl_set_inhomogeneous): Same.
 470         (ppl_set_inhomogeneous_tree): Same.
 471         (ppl_set_coef): Same.
 472         (ppl_set_coef_tree): Same.
 473         * graphite-sese-to-poly.c
 474         (build_pbb_scattering_polyhedrons): Same.
 475         (build_scop_scattering): Same.
 476         (scan_tree_for_params_right_scev): Same.
 477         (scan_tree_for_params): Same.
 478         (find_params_in_bb): Same.
 479         (find_scop_parameters): Same.
 480         (add_upper_bounds_from_estimated_nit): Same.
 481         (build_loop_iteration_domains): Same.
 482         (add_condition_to_domain): Same.
 483         (pdr_add_memory_accesses): Same.
 484
 485 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 486
 487         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 488         CLooG's value_* macros to their respective mpz_* counterparts.
 489         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 490         (graphite_create_new_loop_guard): Same.
 491         * graphite-interchange.c (build_linearized_memory_access): Same.
 492         (pdr_stride_in_loop): Same.
 493         (memory_strides_in_loop_1): Same.
 494         (1st_interchange_profitable_p): Same.
 495         * graphite-poly.c (extend_scattering): Same.
 496         (psct_scattering_dim_for_loop_depth): Same.
 497         (pbb_number_of_iterations): Same.
 498         (pbb_number_of_iterations_at_time): Same.
 499         * graphite-poly.h (new_1st_loop): Same.
 500         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 501         (oppose_constraint): Same.
 502         (insert_constraint_into_matrix): Same.
 503         (ppl_set_inhomogeneous_gmp): Same.
 504         (ppl_set_coef_gmp): Same.
 505         (ppl_strip_loop): Same.
 506         (ppl_lexico_compare_linear_expressions): Same.
 507         (ppl_max_for_le_pointset): Same.
 508         (ppl_min_for_le_pointset): Same.
 509         (ppl_build_realtion): Same.
 510         * graphite-ppl.h (gmp_cst_to_tree): Same.
 511         (ppl_set_inhomogeneous): Same.
 512         (ppl_set_inhomogeneous_tree): Same.
 513         (ppl_set_coef): Same.
 514         (ppl_set_coef_tree): Same.
 515         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 516         (build_scop_scattering): Same.
 517         (add_value_to_dim): Same.
 518         (scan_tree_for_params_right_scev): Same.
 519         (scan_tree_for_params_int): Same.
 520         (scan_tree_for_params): Same.
 521         (find_params_in_bb): Same.
 522         (find_scop_parameters): Same.
 523         (add_upper_bounds_from_estimated_nit): Same.
 524         (build_loop_iteration_domains): Same.
 525         (create_linear_expr_from_tree): Same.
 526         (add_condition_to_domain): Same.
 527         (pdr_add_memory_accesses): Same.
 528
 529 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 530
 531         PR middle-end/43519
 532         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 533         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 534         When converting an unsigned type to signed, double its precision.
 535         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 536         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 537         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 538
 539 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 540
 541         PR middle-end/43519
 542         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 543         build_nonstandard_integer_type.
 544         (gcc_type_for_interval): Same.
 545
 546 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 547
 548         PR middle-end/43519
 549         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 550         POINTER_PLUS_EXPR for pointer types.
 551
 552         * gcc.dg/graphite/id-19.c: New.
 553
 554 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 555
 556         PR middle-end/43519
 557         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 558         * graphite-clast-to-gimple.c: Include langhooks.h.
 559         (max_signed_precision_type): New.
 560         (max_precision_type): Takes two types as arguments.
 561         (precision_for_value): New.
 562         (precision_for_interval): New.
 563         (gcc_type_for_interval): New.
 564         (gcc_type_for_value): New.
 565         (gcc_type_for_clast_term): New.
 566         (gcc_type_for_clast_red): New.
 567         (gcc_type_for_clast_bin): New.
 568         (gcc_type_for_clast_expr): Split up into several functions.
 569         (gcc_type_for_clast_eq): Rewritten.
 570         (compute_bounds_for_level): New.
 571         (compute_type_for_level_1): New.
 572         (compute_type_for_level): New.
 573         (gcc_type_for_cloog_iv): Removed.
 574         (gcc_type_for_iv_of_clast_loop): Rewritten.
 575         (graphite_create_new_loop): Compute the lower and upper bound types
 576         with gcc_type_for_clast_expr.
 577         (graphite_create_new_loop_guard): Same.
 578         (find_cloog_iv_in_expr): Removed.
 579         (compute_cloog_iv_types_1): Removed.
 580         (compute_cloog_iv_types): Removed.
 581         (gloog): Do not call compute_cloog_iv_types.
 582         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 583         GBB_CLOOG_IV_TYPES.
 584         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 585         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 586         (GBB_CLOOG_IV_TYPES): Removed.
 587
 588         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 589
 590 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         Reverted this commit: as at this point the loop closed SSA form
 593         is under a canonical form respecting the single argument condition.
 594         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 595         close phi nodes may have more than one argument.
 596
 597 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 598
 599         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 600         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 601         (detect_commutative_reduction): Same.
 602
 603 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 606         close phi nodes may have more than one argument.
 607
 608 2010-03-30  Richard Guenther  <rguenther@suse.de>
 609             Zdenek Dvorak  <ook@ucw.cz>
 610             Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         PR middle-end/43464
 613         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
 614         with multiple arguments.
 615         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
 616
 617 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * graphite-dependences.c (print_pddr): Call print_pdr with an
 620         extra argument.
 621         * graphite-poly.c (debug_pdr): Add an extra argument for the
 622         verbosity level.
 623         (print_pdr): Same.
 624         (print_pbb_domain): Same.
 625         (print_pbb): Same.
 626         (print_scop_context): Same.
 627         (print_scop): Same.
 628         (print_cloog): Same.
 629         (debug_pbb_domain): Same.
 630         (debug_pbb): Same.
 631         (print_pdrs): Same.
 632         (debug_pdrs): Same.
 633         (debug_scop_context): Same.
 634         (debug_scop): Same.
 635         (debug_cloog): Same.
 636         (print_scop_params): Same.
 637         (debug_scop_params): Same.
 638         (print_iteration_domain): Same.
 639         (print_iteration_domains): Same.
 640         (debug_iteration_domain): Same.
 641         (debug_iteration_domains): Same.
 642         (print_scattering_function): Same.
 643         (print_scattering_functions): Same.
 644         (debug_scattering_function): Same.
 645         (debug_scattering_functions): Same.
 646         * graphite-poly.h (debug_pdr): Update declaration.
 647         (print_pdr): Same.
 648         (print_pbb_domain): Same.
 649         (print_pbb): Same.
 650         (print_scop_context): Same.
 651         (print_scop): Same.
 652         (print_cloog): Same.
 653         (debug_pbb_domain): Same.
 654         (debug_pbb): Same.
 655         (print_pdrs): Same.
 656         (debug_pdrs): Same.
 657         (debug_scop_context): Same.
 658         (debug_scop): Same.
 659         (debug_cloog): Same.
 660         (print_scop_params): Same.
 661         (debug_scop_params): Same.
 662         (print_iteration_domain): Same.
 663         (print_iteration_domains): Same.
 664         (debug_iteration_domain): Same.
 665         (debug_iteration_domains): Same.
 666         (print_scattering_function): Same.
 667         (print_scattering_functions): Same.
 668         (debug_scattering_function): Same.
 669         (debug_scattering_functions): Same.
 670
 671 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * graphite-poly.c (print_scattering_function_1): New.
 674         (print_scattering_function): Call it.
 675         (print_scop_params): Remove spaces at the end of lines.
 676         (print_cloog): New.
 677         (debug_cloog): New.
 678         * graphite-poly.h (print_cloog): Declared.
 679         (debug_cloog): Declared.
 680
 681 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 682
 683         * tree-ssa-copy.c: Revert this previous change:
 684         (init_copy_prop): Loop closed phi nodes cancontain more than one
 685         argument.
 686         (execute_copy_prop): Revert the previous change: do not call
 687         rewrite_into_loop_closed_ssa.
 688
 689 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 690             Richard Guenther  <rguenther@suse.de>
 691
 692         PR middle-end/43464
 693         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
 694         contain more than one argument.
 695         (execute_copy_prop): Revert the previous change: do not call
 696         rewrite_into_loop_closed_ssa.
 697
 698         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
 699         * gcc.dg/graphite/id-pr43464-1.c: New.
 700
 701 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 702
 703         PR middle-end/43464
 704         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
 705         and verify_loop_closed_ssa when copy prop is executed in the LNO.
 706
 707         * gcc.dg/graphite/id-pr43464.c: New.
 708
 709 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
 712         in loop->header.
 713         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
 714         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
 715         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 716         to switch between adding the IV bump in loop->latch or in loop->header.
 717
 718 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * passes.c (init_optimization_passes): Add pass_copy_prop
 721         after Graphite.
 722
 723 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * graphite-poly.c (print_scattering_function): Pretty print following
 726         the scoplib format.
 727         (print_pdr): Same.
 728         (print_pbb_domain): Same.
 729         (dump_gbb_cases): Same.
 730         (dump_gbb_conditions): Same.
 731         (print_pdrs): Same.
 732         (print_pbb): Same.
 733         (print_scop_params): Same.
 734         (print_scop_context): Same.
 735         (print_scop): Same.
 736         (print_pbb_body): New.
 737         (lst_indent_to): New.
 738         (print_lst): Start new lines with a #.
 739         * graphite-poly.h (pbb_bb): New.
 740         (pbb_index): Use pbb_bb.
 741         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 742         disjuncts.
 743         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 744
 745 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 746
 747         PR middle-end/43351
 748         * gcc.dg/graphite/id-pr43351.c
 749
 750 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 751
 752         PR middle-end/43354
 753         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 754         call insert_out_of_ssa_copy for default definitions.
 755         * gfortran.dg/graphite/id-pr43354.f: New.
 756
 757 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 758
 759         PR middle-end/43349
 760         * gfortran.dg/graphite/pr43349.f: New.
 761
 762 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 763
 764         * graphite-clast-to-gimple.c (my_long_long): Defined.
 765         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 766         * graphite-sese-to-poly.c (my_long_long): Defined.
 767         (scop_ivs_can_be_represented): Use it.
 768
 769 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 770
 771         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 772         graphite-max-bbs-per-function, and loop-block-tile-size.
 773         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 774         with "maximum".
 775         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 776
 777 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 778
 779         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 780         forward declaration.
 781         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 782         (add_upper_bounds_from_estimated_nit): New.
 783         (build_loop_iteration_domains): Use it.
 784
 785 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 788
 789 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 790
 791         PR middle-end/43306
 792         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 793         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 794         * gcc.dg/graphite/pr43306.c: New.
 795
 796 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 797
 798         * graphite.c (graphite_initialize): To bound the number of bbs per
 799         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 800         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 801         * doc/invoke.texi: Document it.
 802
 803 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 804
 805         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 806         * graphite-sese-to-poly.h (build_poly_scop): Same.
 807
 808 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 809
 810         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 811         the number of parameters in the scop.  Use as an upper bound
 812         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 813         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 814         * doc/invoke.texi: Document it.
 815
 816 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * graphite-sese-to-poly.c (add_param_constraints): Use
 819         lower_bound_in_type and upper_bound_in_type.
 820
 821 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 822
 823         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 824         instead of unsigned_type_node.
 825
 826 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 827             Reza Yazdani  <reza.yazdani@amd.com>
 828
 829         PR middle-end/43065
 830         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 831         on pointer type parameters.
 832
 833         * gcc.dg/graphite/run-id-4.c: New.
 834
 835 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 836
 837         PR middle-end/43065
 838         * gcc.dg/graphite/run-id-3.c: New.
 839
 840 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 841             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 842
 843         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 844         handle conversions from pointer to integers.
 845         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 846         induction variable, to be able to work with code generated by CLooG.
 847         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 848         (build_poly_scop): Bail out if we cannot codegen a loop.
 849
 850 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 851
 852         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 853         code generation with gloog_error.
 854
 855 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 858         Call fold_convert on all the returned values.
 859         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 860         the type of the resulting expression.
 861
 862 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 863
 864         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 865         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 866         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 867
 868 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 869
 870         * graphite-dependences.c (map_into_dep_poly): Removed.
 871         (dependence_polyhedron_1): Use combine_context_id_scat.
 872
 873 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 874
 875         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 876         (struct poly_bb): Same.
 877         (combine_context_id_scat): New.
 878
 879 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 880
 881         PR middle-end/42326
 882         * sese.c (name_defined_in_loop_p): Return false for default
 883         definitions.
 884
 885         * gcc.dg/graphite/pr42326.c: New.
 886
 887 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 888
 889         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 890         and clean up the logic.
 891
 892 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 895         early return.
 896
 897 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         PR middle-end/43083
 900         * graphite-scop-detection.c (create_single_exit_edge): Move
 901         the call to find_single_exit_edge to....
 902         (create_sese_edges): ...here.  Don't handle multiple edges
 903         exiting the function.
 904         (build_graphite_scops): Don't handle multiple edges
 905         exiting the function.
 906
 907         * gcc.dg/graphite/pr43083.c: New.
 908
 909 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         PR middle-end/43097
 912         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 913         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 914
 915         * gfortran.dg/graphite/pr43097.f: New.
 916
 917 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 918             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 919
 920         PR middle-end/43140
 921         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 922
 923 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 924
 925         PR middle-end/43026
 926         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 927
 928         * g++.dg/graphite/pr43026.C: New.
 929
 930 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 931
 932         * Merge from mainline (154736:156693).
 933
 934 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 935
 936         PR middle-end/43012
 937         * gcc.dg/graphite/pr43012.c: New.
 938
 939 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 940
 941         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 942 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * g++.dg/graphite/pr42930.C: New.
 945
 946 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 947
 948         PR middle-end/42930
 949         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 950         graphite_can_represent_init for MULT_EXPR.
 951
 952 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         PR middle-end/42914
 955         PR middle-end/42530
 956         * graphite-sese-to-poly.c (remove_phi): New.
 957         (translate_scalar_reduction_to_array): Call remove_phi.
 958
 959         * gcc.dg/graphite/pr42530.c: New.
 960         * gcc.dg/graphite/pr42914.c: New.
 961
 962 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 963
 964         PR middle-end/42771
 965         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 966         * graphite-clast-to-gimple.h (gloog): Update declaration.
 967         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 968         * graphite-poly.h (struct poly_bb): Add missing comments.
 969         (struct scop): Add poly_scop_p field.
 970         (POLY_SCOP_P): New.
 971         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 972         * graphite.c (graphite_transform_loops): Build the polyhedral
 973         representation for each scop before code generation.
 974         * sese.c (rename_variables_in_operand): Removed.
 975         (rename_variables_in_expr): Return the renamed expression.
 976         (rename_sese_parameters): New.
 977         * sese.h (rename_sese_parameters): Declared.
 978
 979         * gcc.dg/graphite/pr42771.c: New.
 980
 981 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 982
 983         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 984         return 0 from main.
 985         * gcc.dg/graphite/block-1.c: Same.
 986         * gcc.dg/graphite/block-3.c: Same.
 987         * gcc.dg/graphite/block-4.c: Same.
 988         * gcc.dg/graphite/block-5.c: Same.
 989         * gcc.dg/graphite/block-6.c: Same.
 990         * gcc.dg/graphite/block-7.c: Same.
 991         * gcc.dg/graphite/interchange-0.c: Same.
 992         * gcc.dg/graphite/interchange-1.c: Same.
 993         * gcc.dg/graphite/interchange-10.c: Same.
 994         * gcc.dg/graphite/interchange-11.c: Same.
 995         * gcc.dg/graphite/interchange-12.c: Same.
 996         * gcc.dg/graphite/interchange-2.c: Same.
 997         * gcc.dg/graphite/interchange-3.c: Same.
 998         * gcc.dg/graphite/interchange-4.c: Same.
 999         * gcc.dg/graphite/interchange-5.c: Same.
1000         * gcc.dg/graphite/interchange-6.c: Same.
1001         * gcc.dg/graphite/interchange-7.c: Same.
1002         * gcc.dg/graphite/interchange-8.c: Same.
1003         * gcc.dg/graphite/interchange-9.c: Same.
1004         * gcc.dg/graphite/interchange-mvt.c: Same.
1005
1006 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * gfortran.dg/graphite/id-19.f: New.
1009         * gfortran.dg/graphite/pr14741.f90: New.
1010         * gfortran.dg/graphite/pr41924.f90: New.
1011         * gfortran.dg/graphite/run-id-2.f90: New.
1012
1013 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         PR middle-end/42988
1016         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1017         to unknown_dependence.
1018         (graphite_legal_transform_dr): Handle the unknown_dependence.
1019         (graphite_carried_dependence_level_k): Same.
1020
1021 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1022
1023         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1024
1025 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1026             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1027
1028         PR middle-end/42637
1029         * graphite-dependences.c (build_lexicographical_constraint): Return
1030         a union of dependence polyhedra.
1031         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1032
1033         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1034         * gcc.dg/graphite/block-4.c: Same.
1035         * gcc.dg/graphite/block-7.c: Same.
1036         * gcc.dg/graphite/interchange-12.c: Same.
1037         * gcc.dg/graphite/interchange-mvt.c: Same.
1038         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1039         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1040         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1041
1042 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1045         the execution check to FAIL.  This testcase is miscompiled by Graphite
1046         and the check should be re-enabled.
1047         * gcc.dg/graphite/interchange-mvt.c: Same.
1048         * gcc.dg/graphite/block-0.c: Same.
1049         * gcc.dg/graphite/block-4.c: Same.
1050         * gcc.dg/graphite/block-7.c: Same.
1051
1052 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1053
1054         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1055         * gcc.dg/graphite/scop-0.c: Fix spaces.
1056         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1057         * gfortran.dg/graphite/block-2.f: Same.
1058         * gfortran.dg/graphite/block-3.f90: Same.
1059         * gfortran.dg/graphite/block-4.f90: Same.
1060         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1061         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1062
1063 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1064
1065         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1066         PDDR_ORIGINAL_SCATTERING_P.
1067         (pddr_is_empty): Rewritten.
1068         (print_dependence_polyhedron_layout): New.
1069         (print_pddr): New.
1070         (debug_pddr): New.
1071         (build_alias_set_powerset): Moved up.
1072         (poly_drs_may_alias_p): Moved up.
1073         (lexicographically_gt_p): Removed.
1074         (build_lexicographically_gt_constraint): Renamed
1075         build_lexicographical_constraint, reimplemented.
1076         (dependence_polyhedron_1): Simplified parameters.
1077         (dependence_polyhedron): Same.  Keep along empty PDDRs
1078         to make efficient use of the cache.
1079         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1080         (graphite_legal_transform_dr): Rewritten.
1081         (graphite_legal_transform_bb): Pass fewer arguments to
1082         graphite_legal_transform_dr.
1083         (graphite_carried_dependence_level_k): Simplified implementation.
1084         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1085         (dot_transformed_deps_stmt_1): Same.
1086         (dot_original_deps): Same.
1087         (dot_transformed_deps): Same.
1088         * graphite-dependences.h (struct poly_ddr): Added a new field
1089         original_scattering_p.
1090         (PDDR_ORIGINAL_SCATTERING_P): New.
1091         (print_pddr): Declared.
1092         (debug_pddr): Declared.
1093         * graphite-ppl.c: Clarify comment.
1094         * sese.h (print_gimple_bb): Removed unused declaration.
1095         (debug_gbb): Same.
1096
1097 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * g++.dg/graphite/graphite.exp: Rewritten.
1100         * gcc.dg/graphite/graphite.exp: Rewritten.
1101         * gfortran.dg/graphite/graphite.exp: Rewritten.
1102         * gcc.dg/graphite/block-0.c: Added runtime test.
1103         * gcc.dg/graphite/block-1.c: Same.
1104         * gcc.dg/graphite/block-3.c: Same.
1105         * gcc.dg/graphite/block-4.c: Same.
1106         * gcc.dg/graphite/block-5.c: Same.
1107         * gcc.dg/graphite/block-6.c: Same.
1108         * gcc.dg/graphite/block-7.c: Same.
1109         * gcc.dg/graphite/interchange-0.c: Same.
1110         * gcc.dg/graphite/interchange-1.c: Same.
1111         * gcc.dg/graphite/interchange-10.c: Same.
1112         * gcc.dg/graphite/interchange-11.c: Same.
1113         * gcc.dg/graphite/interchange-12.c: Same.
1114         * gcc.dg/graphite/interchange-2.c: Same.
1115         * gcc.dg/graphite/interchange-3.c: Same.
1116         * gcc.dg/graphite/interchange-4.c: Same.
1117         * gcc.dg/graphite/interchange-5.c: Same.
1118         * gcc.dg/graphite/interchange-6.c: Same.
1119         * gcc.dg/graphite/interchange-7.c: Same.
1120         * gcc.dg/graphite/interchange-8.c: Same.
1121         * gcc.dg/graphite/interchange-9.c: Same.
1122         * gcc.dg/graphite/interchange-mvt.c: Same.
1123         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1124
1125 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1126
1127         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1128           background.
1129
1130 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1131
1132         * common.opt: Add -fgraphite-cloog-opts.
1133         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1134         * opts.c (decode_options): Same.
1135
1136 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * gcc.dg/graphite/id-17.c: New.
1139         * gcc.dg/graphite/pr41888.c: New.
1140         * gcc.dg/graphite/scop-22.c: New.
1141         * gfortran.dg/graphite/pr40982.f90: New.
1142
1143 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1144
1145         * graphite-dependences.c: Clarify comments.
1146         (build_pddr): Add an extra parameter direction.
1147         (graphite_legal_transform_dr): Use build_pddr.
1148         (dot_original_deps_stmt_1): Update use of build_pddr.
1149         (dot_transformed_deps_stmt_1): Same.
1150         (dot_original_deps): Same.
1151         (dot_transformed_deps): Same.
1152
1153         * gcc.dg/graphite/interchange-12.c: New.
1154         * gcc.dg/graphite/block-7.c: New.
1155
1156 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1159         (pddr_transformed_scattering): Removed.
1160         (graphite_legal_transform_dr): Use build_pddr.
1161         (dot_original_deps_stmt_1): Same.
1162         (dot_transformed_deps_stmt_1): Same.
1163         (dot_original_deps): Same.
1164         (dot_transformed_deps): Same.
1165
1166 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1169         (build_lexicographically_gt_constraint): Same.
1170         (dependence_polyhedron_1): Same.
1171         (dependence_polyhedron): Same.
1172
1173 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1176         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1177         (lexicographically_gt_p): Change type of direction to int.
1178         (build_lexicographically_gt_constraint): Same.
1179         (dependence_polyhedron_1): Same.
1180         (dependence_polyhedron): Same.
1181         (pddr_original_scattering): Use integers for direction.
1182         (pddr_transformed_scattering): Same.
1183         (graphite_legal_transform_dr): Same.
1184         (graphite_carried_dependence_level_k): Same.
1185
1186 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1187
1188         * graphite-dependences.c (build_pairwise_constraint): Renamed
1189         ppl_build_relation.  Moved...
1190         (dr_equality_constraints): Use ppl_build_relation.
1191         (build_pairwise_scheduling_equality): Same.
1192         (build_pairwise_scheduling_inequality): Same.
1193         * graphite-ppl.c (ppl_build_relation): ...here.
1194         * graphite-ppl.h (ppl_build_relation): Declared.
1195
1196 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1197
1198         PR middle-end/42681
1199         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1200         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1201         Set gloog_error when such an expression failed to be built.
1202         (translate_clast): Early return when gloog_error is set.
1203         (gloog): Clear gloog_error.  When gloog_error is set, call
1204         set_ifsese_condition to enable the original code.  Return the status
1205         of the code generation based on gloog_error.
1206         * sese.c (set_ifsese_condition): New.
1207         * sese.h (set_ifsese_condition): Declared.
1208
1209         * g++.dg/graphite/pr42681.C: New.
1210
1211 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         PR middle-end/42732
1214         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1215         rename_nb_iterations.
1216         * sese.c (rename_variables_in_operand): New.
1217         (rename_variables_in_expr): New.
1218         (rename_nb_iterations): New.
1219         (sese_adjust_liveout_phis): Update the rename_map.
1220         * sese.h (rename_nb_iterations): Declared.
1221         * tree-scalar-evolution.c (scev_reset_htab): New.
1222         (scev_reset): Call scev_reset_htab.
1223         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1224
1225         * gfortran.dg/graphite/pr42732.f: New.
1226
1227 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1228
1229         PR middle-end/42393
1230         * graphite-clast-to-gimple.c: Fix formatting.
1231         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1232         (expr_defined_in_loop_p): New.
1233         (add_loop_exit_phis): Also handle full expressions: remove from
1234         the rename_map the expressions defined in the loop that we're closing.
1235
1236         * gfortran.dg/graphite/pr42393-1.f90: New.
1237         * gfortran.dg/graphite/pr42393.f90: Add new flags
1238         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1239         make this testcase useful in the Graphite branch.
1240
1241 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1242
1243         * graphite-scop-detection.c (exclude_component_ref): Removed.
1244         (is_simple_operand): Removed.
1245         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1246
1247 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1248
1249         PR middle-end/42221
1250         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1251         the array indexing of ADDR_EXPRs.
1252
1253         * gcc.dg/graphite/pr42221.c: New.
1254
1255 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1256
1257         PR middle-end/42521
1258         * graphite.c (graphite_finalize): Call scev_reset.
1259         (graphite_transform_loops): Do not call scev_reset between the code
1260         generation of scops.
1261
1262         * gcc.dg/graphite/pr42521.c: New.
1263
1264 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1265
1266         * graphite-interchange.c (memory_stride_in_loop): Renamed
1267         pdr_stride_in_loop.
1268         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1269         (memory_strides_in_loop): Memoize the memory strides per loop.
1270         (lst_interchange_profitable_p): Do not initialize to zero the memory
1271         strides.
1272         * graphite-poly.h (struct lst): Add a field memory_strides.
1273         (LST_LOOP_MEMORY_STRIDES): New.
1274         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1275         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1276
1277 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1280         memory_strides_in_loop.  Gather memory strides on a whole loop.
1281         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1282         (lst_interchange_profitable_p): Removed.
1283         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1284
1285 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1288         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1289         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1290         Remove context_loop and level.
1291
1292 2010-01-07  Richard Guenther  <rguenther@suse.de>
1293
1294         PR tree-optimization/42641
1295         * sese.c (rename_map_elt_info): Use the SSA name version, do
1296         not hash pointers.
1297
1298 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1301         blocked" only when both the strip mine and the interchange have
1302         been applied.
1303
1304         * gcc.dg/graphite/block-2.c: Removed.
1305         * gcc.dg/graphite/block-3.c: Add scan pattern.
1306         * gcc.dg/graphite/block-4.c: Same.
1307         * gcc.dg/graphite/block-5.c: Same.
1308         * gcc.dg/graphite/block-6.c: Same.
1309
1310 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1313         before allocating a new one.
1314         (copy_renames): Check that slot is not NULL.
1315         (mark_bb_with_pbb): Same.
1316         (compute_cloog_iv_types_1): Same.
1317         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1318         nest, and after LSTs.
1319         (lst_try_interchange_loops): Same.
1320
1321 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         PR middle-end/42178
1324         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1325         the before, nest, and after LSTs.
1326         (lst_try_interchange): Removed.
1327         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1328         were modified.
1329         (lst_interchange_select_outer): Apply interchange on the outer loop
1330         until there are no more changes in the inner loops.
1331
1332 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1333
1334         Revert patch fixing PR middle-end/42221.
1335
1336 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1337
1338         PR middle-end/42180
1339         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1340         GIMPLE_CALL.
1341
1342         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1343
1344 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         PR middle-end/42180
1347         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1348         that contain only one statement.
1349
1350         * gfortran.dg/graphite/pr42180.f90: New.
1351
1352 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         PR middle-end/42393
1355         * gfortran.dg/graphite/pr42393.f90: New.
1356
1357 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1358
1359         PR middle-end/42186
1360         * gfortran.dg/graphite/pr42186.f90: New.
1361
1362 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1363
1364         PR middle-end/42205
1365         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1366         Insert the reduction copy in the same block as the phi node.
1367         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1368
1369         * gcc.dg/graphite/pr42205-1.c: New.
1370         * gcc.dg/graphite/pr42205-2.c: New.
1371
1372 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         PR middle-end/42221
1375         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1376         the array indexing of ADDR_EXPRs.
1377
1378         * gcc.dg/graphite/pr42221.c: New.
1379
1380 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         PR middle-end/42178
1383         PR middle-end/42334
1384         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1385         index.  Call lst_interchange_select_inner only once.
1386         (lst_interchange_select_inner): Update use of lst_try_interchange.
1387         (lst_interchange_select_outer): Update.
1388
1389 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1390
1391         PR middle-end/42178
1392         PR middle-end/42334
1393         * graphite-interchange.c (lst_try_interchange): Do not increment the
1394         the OUTER index when there is no AFTER kernel.  Do not increment the
1395         OUTER index for after processing the AFTER kernel.
1396         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1397         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1398         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1399         (scop_do_interchange): Update use of lst_interchange_select_outer.
1400
1401         * gfortran.dg/graphite/graphite.exp
1402         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1403         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1404         the graphite dump file.
1405         * gfortran.dg/graphite/interchange-2.f: Same.
1406         * gfortran.dg/graphite/pr42334-1.f: New.
1407
1408 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         PR middle-end/42178
1411         PR middle-end/42334
1412         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1413         that are empty.
1414         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1415         (lst_try_interchange): Reimplemented.
1416         (lst_interchange_select_inner): Same.
1417         (lst_do_interchange): Renamed lst_interchange_select_outer.
1418         Reimplemented.
1419         (scop_do_interchange): Update use of lst_interchange_select_outer.
1420
1421         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1422         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1423         * gcc.dg/graphite/pr42211.c: New.
1424         * gfortran.dg/graphite/pr42334.f90: New.
1425
1426 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         PR middle-end/42181
1429         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1430         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1431
1432         * gfortran.dg/graphite/pr42181.f90: New.
1433
1434 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1435
1436         PR middle-end/42284
1437         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1438         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1439         (detect_commutative_reduction_arg): Simplified.
1440         (detect_commutative_reduction): Early return when the argument of
1441         the close phi is not of an SSA_NAME.
1442
1443         * gcc.dg/graphite/pr42284.c: New.
1444
1445 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1446
1447         * dbgcnt.def (graphite_scop): New counter.
1448         * graphite.c: Include dbgcnt.h
1449         (graphite_transform_loops): Use new counter to limit transformations.
1450
1451 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1452
1453         PR middle-end/42285
1454         * graphite-scop-detection.c (graphite_can_represent_init): Also
1455         handle more complex MULT_EXPRs containing parameters by recursion
1456         on the structure.
1457
1458         * gfortran.dg/graphite/pr42285.f90: New.
1459
1460 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1461
1462         * g++.dg/graphite/pr42130.C: Fix type.
1463
1464 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1465
1466         * g++.dg/graphite/pr42130.C: Correct testcase.
1467
1468 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1469
1470         * Merge from mainline (154493:154734).
1471
1472 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1473
1474         * Merge from mainline (151362:154491).
1475
1476 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1477
1478         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1479         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1480
1481 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1482
1483         PR middle-end/42130
1484         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1485         translate_clast_for_loop): New.
1486         (translate_clast_for): Add a condition around the loop, to do not
1487         execute loops with zero iterations.
1488         * g++.dg/graphite/pr42130.C: New.
1489         * gcc.dg/graphite/pr35356-2.c: Adapt.
1490
1491 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1492
1493         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1494         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1495         Remove context_loop and level.
1496
1497 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1498
1499         * graphite-clast-to-gimple.c (translate_clast_user,
1500         translate_clast_for, translate_clast_guard): Simplify and move common
1501         elements to translate_clast().
1502         (translate_clast): Simplify and get common elements.
1503
1504 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1505
1506         * graphite-clast-to-gimple.c (translate_clast_user,
1507         translate_clast_for, translate_clast_guard): Split out of
1508         translate_clast.
1509
1510 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1511
1512         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1513         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1514         debug_clast_name_indexes_1, debug_clast_name_indexes,
1515         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1516         (clast_name_to_gcc, clast_to_gcc_expression,
1517         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1518         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1519         graphite_create_guard_cond_expr, graphite_create_new_loop,
1520         translate_clast): Add params_index.
1521         (initialize_cloog_names): Create parameter strings from scratch, do
1522         not reference other strings.
1523         (create_params_index): New.
1524         (gloog): Initialize params_index.
1525         * graphite-scop-detection (free_scops_1): Removed.
1526         (limit_scops): Use normal free_scops.
1527         * graphite-sese-to-poly.c (save_var_names): Removed.
1528         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1529         and SESE_PARAMS_INDEX.
1530         * sese.c (new_sese, free_sese): Dito.
1531         * sese.h (struct sese): Remove params_index, params_names.
1532         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1533
1534 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1535
1536         Revert the following patch from 2009-09-14:
1537         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1538         tree-scalar-evolution.h, and then tree-data-ref.h.
1539         * graphite-clast-to-gimple.c: Same.
1540         * graphite-dependences.c: Same.
1541         * graphite-interchange.c: Same.
1542         * graphite-poly.c: Same.
1543         * graphite-scop-detection.c: Same.
1544         * graphite-sese-to-poly.c: Same.
1545         * graphite.c: Same.
1546         * lambda-code.c: Same.
1547         * matrix-reorg.c: Same.
1548         * tree-data-ref.c: Same.
1549         * tree-if-conv.c: Same.
1550         * tree-loop-distribu: Same.: Same.
1551         * tree-loop-linear.c: Same.
1552         * tree-parloops.c: Same.
1553         * tree-predcom.c: Same.
1554         * tree-vect-patterns.c: Same.
1555
1556 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         Revert patch from 2009-09-14.
1559         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1560         passes at -O1 and below.
1561
1562 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         PR middle-end/40281
1565         * gcc.dg/graphite/pr40281.c: New.
1566
1567         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1568         evolutions should not variate in inner loops.
1569
1570 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1571
1572         PR middle-end/42050
1573         * gfortran.dg/graphite/pr42050.f90: New.
1574
1575 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1578         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1579
1580 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * graphite-blocking.c (scop_do_block): New.
1583         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1584         * graphite-poly.h (scop_do_block): Declared.
1585
1586 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1587
1588         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1589         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1590         to transform depth into the time_depth before calling
1591         pbb_number_of_iterations_at_time.
1592         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1593         lst_depth.
1594
1595 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1596
1597         Reverted the patch for "scattering permutations" from 2009-10-28.
1598
1599         * graphite-poly.c (print_permutation): New.
1600         (debug_permutation): New.
1601         (new_poly_bb): Initialize PBB_PERMUTATION.
1602         (free_poly_bb): Free PBB_PERMUTATION.
1603         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1604         (struct pbb_permutation_elt): New.
1605         (PBB_PERMUTATION_ELT_STRIDE): New.
1606         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1607         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1608         (new_pbb_permutation_elt): New.
1609         (pbb_permutation_elt_free): New.
1610         (struct poly_bb): Add field permutation.
1611         (PBB_PERMUTATION): New.
1612         (print_permutation): Declared.
1613         (debug_permutation): Declared.
1614
1615 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1616
1617         * graphite-interchange.c (build_partial_difference): New.
1618         (memory_stride_in_loop): Refactored the computation of
1619         equality constraints into build_partial_difference function.
1620         Added support for debugging stride computations.
1621
1622 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1623
1624         * graphite-clast-to-gimple.c (gloog): Free if_region,
1625         if_region->true_region, and if_region->region.
1626         * sese.c (if_region_set_false_region): Free if_region->false_region.
1627         (create_if_region_on_edge): Do not use GGC_NEW.
1628         (move_sese_in_condition): Remove useless initialization.
1629
1630 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1631
1632         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1633         for the loops created by the loop distribution.  Do not modify the
1634         input LSTs.
1635         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1636         transformed schedule.  Call lst_update_scattering before data
1637         dependence analysis.
1638         (lst_try_interchange): Pass an extra parameter INDEX.
1639         (lst_do_interchange_1): New.
1640         (lst_do_interchange): Call lst_do_interchange_1.
1641         (scop_do_interchange): Call lst_update_scattering.
1642         * graphite-poly.c (apply_poly_transforms): Do not call
1643         lst_update_scattering.
1644         * graphite-poly.h (lst_pred): New.
1645         (lst_succ): New.
1646         (lst_find_first_pbb): Return NULL when not found.
1647         (lst_empty_p): New.
1648         (lst_insert_in_sequence): Allow LST1 to be NULL.
1649         (lst_replace): New.
1650         (lst_substitute_3): New.
1651         * gcc.dg/graphite/interchange-1.c: XFail.
1652         * gcc.dg/graphite/interchange-8.c: XFail.
1653         * gcc.dg/graphite/interchange-11.c: XFail.
1654
1655 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * graphite-interchange.c (lst_perfectly_nested_p): New.
1658         (lst_perfect_nestify): New.
1659         (lst_try_interchange_loops): Call store_lst_schedule,
1660         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1661         (scop_do_interchange): Avoid redundant legality test.
1662         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1663         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1664         * graphite-poly.h (psct_static_dim): New.
1665         (lst_dewey_number_at_depth): New.
1666         (lst_find_pbb): Restructured.
1667         (lst_find_first_pbb): Restructured.
1668         (lst_find_last_pbb): New.
1669         (lst_contains_p): New.
1670         (lst_contains_pbb): New.
1671         (lst_create_nest): New.
1672         (lst_remove_from_sequence): New.
1673         (pbb_update_scattering): New.
1674         (lst_update_scattering_under): New.
1675         (lst_update_scattering_seq): New.
1676         (lst_update_scattering): New.
1677         (lst_insert_in_sequence): New.
1678         (lst_distribute_lst): New.
1679         (lst_remove_all_before_including_pbb): New.
1680         (lst_remove_all_before_excluding_pbb): New.
1681
1682 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1683
1684         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1685         get_loop_exit_edges.
1686
1687 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1688
1689         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1690
1691 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1692
1693         * graphite-poly.c (print_permutation): New.
1694         (debug_permutation): New.
1695         (new_poly_bb): Initialize PBB_PERMUTATION.
1696         (free_poly_bb): Free PBB_PERMUTATION.
1697         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1698         (struct pbb_permutation_elt): New.
1699         (PBB_PERMUTATION_ELT_STRIDE): New.
1700         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1701         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1702         (new_pbb_permutation_elt): New.
1703         (pbb_permutation_elt_free): New.
1704         (struct poly_bb): Add field permutation.
1705         (PBB_PERMUTATION): New.
1706         (print_permutation): Declared.
1707         (debug_permutation): Declared.
1708
1709 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1710
1711         * graphite-clast-to-gimple.c (gloog): Do not call
1712         sese_reset_aux_in_loops.
1713         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1714         extra argument for domains.  Do not use loop->aux.
1715         (build_scop_iteration_domain): Initialize and free domains, pass it
1716         to build_loop_iteration_domains and extract the information from
1717         domains.  Do not use loop->aux.
1718         * sese.c (sese_reset_aux_in_loops): Removed.
1719         * sese.h (sese_reset_aux_in_loops): Removed.
1720
1721 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1722
1723         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1724         (dependency_in_loop_p): Same.
1725         (translate_clast): Do not use loop->aux.  Initialize
1726         loop->can_be_parallel.
1727         (mark_loops_parallel): Removed.
1728         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1729         * graphite.c (free_aux_in_new_loops): Removed.
1730         (graphite_finalize): Do not call free_aux_in_new_loops.
1731         (graphite_transform_loops): Do not call mark_loops_parallel.
1732
1733 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1734
1735         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1736         (translate_clast): Pass an extra parameter LEVEL.
1737         Call get_scattering_level.
1738         * graphite-clast-to-gimple.h (get_scattering_level): New.
1739
1740 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1741
1742         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1743         * cfgloop.h (struct loop): New field single_iv.
1744
1745         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1746         loop->aux anymore: use loop->single_iv.
1747         (graphite_loop_normal_form): Moved...
1748         (build_graphite_loop_normal_form): Removed.
1749         (gloog): Do not call build_graphite_loop_normal_form.
1750         (free_aux_in_new_loops): Moved...
1751         (mark_loops_parallel): Restructure.
1752         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1753         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1754         (scop_canonicalize_loops): New.
1755         (build_poly_scop): Call scop_canonicalize_loops.
1756         * graphite.c (free_aux_in_new_loops): ...here.
1757
1758 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         * g++.dg/graphite/graphite.exp: Add the same rules as in
1761         gcc.dg/graphite/graphite.exp.
1762
1763 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         * g++.dg/graphite/id-1.C: New.
1766
1767 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1770         argument base_name.
1771         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1772         (rewrite_phi_out_of_ssa): Same.
1773         (rewrite_cross_bb_scalar_deps): Same.
1774         (translate_scalar_reduction_to_array): Same.
1775
1776 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1779         dump_alias_graphs.
1780
1781 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1784         (build_scop_drs): Call dump_alias_graphs.
1785
1786 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1789         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1790         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1791         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1792         * graphite-poly.h (free_lst): New.
1793         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1794         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1795
1796 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * graphite-poly.h (struct scop): Add a field saved_schedule.
1799         (SCOP_SAVED_SCHEDULE): New.
1800         (store_lst_schedule): New.
1801         (restore_lst_schedule): New.
1802         (store_scattering): Call store_lst_schedule.
1803         (restore_scattering): Call restore_lst_schedule.
1804
1805 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1808         (pdr_add_alias_set): Same.
1809         (build_poly_dr): Same.
1810         (build_alias_set_optimal_p): Same.
1811         (build_base_obj_set_for_drs): Same.  Do not store the result of
1812         graphds_dfs.
1813
1814 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1815
1816         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1817         all_components_are_cliques to 1.
1818
1819 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1820
1821         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1822         the new structure.
1823         (pdr_add_alias_set): Update retrieving alias_set_num.
1824         (build_poly_dr): Update retrieving dr_base_object_set.
1825         (partition_drs_to_sets): Remove.
1826         (build_alias_set_optimal_p): New.
1827         (build_alias_set_for_drs): Rename.
1828         (build_scop_drs): Update.
1829         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1830         (ALIAS_SET_INDEX): Remove.
1831         (BASE_OBJECT_SET_INDEX): Remove.
1832
1833 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1836
1837 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1838
1839         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1840         loop upper bounds for 1-element arrays at end of structures.
1841         * tree-flow.h (array_at_struct_end_p): Declared.
1842         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1843
1844 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1845
1846         * g++.dg/graphite/pr41305.C: New.
1847
1848 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1849
1850         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1851         construction of parameter constraints from loop iteration analysis.
1852         * gcc.dg/graphite/run-id-2.c: New test.
1853
1854 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1857         and new_cstr.
1858
1859 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         * graphite-dependences.c (dependence_polyhedron_1): Remove
1862         unused gdim dimensions from the DDR polyhedron.
1863
1864 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * graphite-dependences.c (pddr_transformed_scattering): New.
1867         (dot_original_deps_stmt_1): New.
1868         (dot_transformed_deps_stmt_1): New.
1869         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1870         dot_transformed_deps_stmt_1.
1871         (dot_original_deps): New.
1872         (dot_transformed_deps): New.
1873         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1874
1875 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * graphite-dependences.c (reduction_dr_1): Remove wrong
1878         assert: reduction BBs can have multiple reduction writes
1879         to memory.  interchange-3.f90 is an example.
1880
1881 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * gfortran.dg/graphite/interchange-3.f90: New.
1884
1885 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1888
1889 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-dependences.c (dependence_polyhedron_1): Add the
1892         context to the dependence polyhedron.
1893
1894 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1895
1896         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1897         PBB_PDR_DUPLICATES_REMOVED.
1898         (new_poly_bb): Same.
1899
1900 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1901
1902         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1903         SCOP_CONTEXT.
1904         (build_loop_iteration_domains): Extract bounds on parameters
1905         based on the data size.
1906         (build_scop_context): Do not initialize SCOP_CONTEXT;
1907         add new constraints.
1908
1909 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1910
1911         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1912         * graphite-ppl.h (graphite-ppl.h): Declared.
1913
1914 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1915
1916         * graphite-ppl.c (ppl_print_linear_expr): New.
1917         (debug_ppl_linear_expr): New.
1918         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1919         (debug_ppl_linear_expr): Declared.
1920
1921 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1922
1923         * graphite-interchange.c: Fix comments.
1924         * gcc.dg/graphite/block-1.c: Fix comments.
1925
1926 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1929         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1930
1931 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         Reapply the patch from Alexander Monakov that disappeared during
1934         the last merges from trunk.
1935
1936         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1937
1938         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1939         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1940
1941 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         * graphite-interchange.c (memory_stride_in_loop): The depth
1944         argument corresponds to a dynamic time dimension, so use
1945         psct_dynamic_dim to refer to the transformed scattering dimension.
1946
1947 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1948
1949         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1950
1951 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1952
1953         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1954         root of the LST.
1955         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1956         the root of the LST.
1957         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1958         fake loop.
1959         (print_lst): Print the root of LST in a different format.
1960         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1961
1962 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1963
1964         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1965
1966 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * doc/passes.texi: Document the Graphite infrastructure.
1969
1970 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1973         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1974         and check the SSA representation.
1975
1976         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1977
1978 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1981
1982 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1983
1984         * gcc.dg/graphite/interchange-11.c: New.
1985
1986 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1989
1990 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1993         Add -fno-loop-strip-mine and -fno-loop-interchange.
1994         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1995         -fno-loop-strip-mine.
1996         * gfortran.dg/graphite/graphite.exp: Same.
1997
1998 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1999
2000         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2001         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2002         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2003         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2004         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2005         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2006         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2007         DEFAULT_FLAGS_GRAPHITE_SCOP.
2008         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2009         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2010
2011 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2012
2013         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2014
2015 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2016             Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * graphite-interchange.c (build_linearized_memory_access): Pass an
2019         offset as parameter.
2020         (memory_stride_in_loop): Include transform scattering in the
2021         access functions to be able to querry the strides in the
2022         transformed loops.
2023         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2024         not the psct_iterator_dim.
2025
2026 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2027
2028         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2029         (lst_do_strip_mine_loop): New.
2030         (lst_do_strip_mine): New.
2031         (scop_do_strip_mine): Call lst_do_strip_mine.
2032         * graphite-poly.h (lst_add_loop_under_loop): New.
2033         (lst_find_first_pbb): New.
2034
2035 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2036
2037         * graphite-poly.c (loop_to_lst): Fix LST creation.
2038
2039 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2040
2041         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2042         sizeof(unsigned long) to make it run on 32bit systems.
2043
2044 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2045
2046         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2047         SEGFAULT on 32bit.
2048
2049 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2050
2051         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2052         Comment.
2053         (write_alias_graph_to_ascii_dot): New.
2054         (write_alias_graph_to_ascii_ecc): Ditto.
2055         (partition_drs_to_sets): Add testing of optimality of current method
2056         which assigns alias numbers according to DFS Comopnent number.  used
2057         as heuristic for the upcoming ECC algorithm.
2058         (build_scop_drs): Write to file also with the ecc and dot format.
2059
2060 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2061
2062         * gfortran.dg/graphite/interchange-1.f: XFail.
2063
2064 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         * graphite.c (graphite_initialize): Do not handle functions with
2067         more than 100 basic blocks.
2068
2069 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2070
2071         * graphite-blocking.c (pbb_do_strip_mine): Use
2072         PARAM_LOOP_BLOCK_TILE_SIZE.
2073
2074 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2075
2076         * graphite-poly.c (dot_lst_1): New.
2077         (dot_lst): New.
2078         * graphite-poly.h (dot_lst): Declared.
2079
2080 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         * graphite-dependences.c (dot_deps_stmt_1): New.
2083         (dot_deps_stmt): New.
2084         * graphite-dependences.h (dot_deps_stmt): Declared.
2085
2086 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2089         not replace cross BB scalar dependences ending on PHI nodes.
2090         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2091
2092 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2093
2094         * graphite-poly.c (apply_poly_transforms): Implement the high
2095         level driver for flag_loop_block.
2096         * opts.c (decode_options): Enable flag_loop_block at -O2.
2097         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2098         flag_loop_block.
2099
2100         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2101         -floop-block.
2102         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2103         Add -floop-block.
2104
2105 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * graphite-poly.h (lst_find_pbb): New.
2108         (find_lst_loop): New.
2109
2110 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2113         * graphite-poly.h (struct scop): Remove dep_graph field.
2114         (SCOP_DEP_GRAPH): Removed.
2115
2116 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2117
2118         * graphite-poly.h (copy_lst): Do full copy of LST.
2119
2120 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2121
2122         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2123         when the loop stride is zero.
2124
2125         * gcc.dg/graphite/id-16.c: New.
2126
2127 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2128
2129         * graphite-dependences.c (reduction_dr_1): New.
2130         (reduction_dr_p): New.
2131         (graphite_legal_transform_dr): Call reduction_dr_p.
2132         (reduction_ddr): Renamed reduction_ddr_p.
2133         * graphite-poly.h (same_pdr_p): New.
2134         (number_of_write_pdrs): New.
2135         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2136         (split_reduction_stmt): Do not split reduction statements
2137         when there are no writes to memory.
2138         (translate_scalar_reduction_to_array_for_stmt): Insert the
2139         memory reduction statement just after the scalar reduction statement.
2140
2141         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2142         Un-XFAIL-ed.
2143         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2144         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2145
2146 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite-interchange.c (lst_apply_interchange): New.
2149         (lst_interchange_profitable_p): New.
2150         (lst_try_interchange_loops): New.
2151         (lst_try_interchange): New.
2152         (lst_do_interchange): New.
2153         (pbb_do_interchange): Removed.
2154         (scop_do_interchange): Call lst_do_interchange.
2155
2156 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2159         SCOP_TRANSFORMED_SCHEDULE.
2160         (loop_to_lst): New.
2161         (scop_to_lst): New.
2162         (print_lst): New.
2163         (debug_lst): New.
2164         * graphite-poly.h (lst_p): New.
2165         (struct lst): New.
2166         (LST_LOOP_P): New.
2167         (LST_LOOP_FATHER): New.
2168         (LST_PBB): New.
2169         (LST_SEQ): New.
2170         (scop_to_lst): Declared.
2171         (print_lst): Declared.
2172         (debug_lst): Declared.
2173         (new_lst_loop): New.
2174         (new_lst_stmt): New.
2175         (copy_lst): New.
2176         (lst_depth): New.
2177         (lst_dewey_number): New.
2178         (struct scop): Add original_schedule and transformed_schedule fields.
2179         (SCOP_ORIGINAL_SCHEDULE): New.
2180         (SCOP_TRANSFORMED_SCHEDULE): New.
2181         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2182
2183 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * graphite-dependences.c (reduction_ddr): New.
2186         (graphite_legal_transform_bb): Call reduction_ddr.
2187         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2188         Initialize PBB_IS_REDUCTION.
2189         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2190         (PBB_IS_REDUCTION): New.
2191         (new_poly_bb): Update declaration.
2192         * graphite-scop-detection.h (build_scop_bbs): Removed.
2193         (nb_reductions_in_loop): Removed.
2194         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2195         parameter for reductions.
2196         (try_generate_gimple_bb): Update call to new_poly_bb.
2197         (build_scop_bbs_1): Same.
2198         (build_scop_bbs): Same.
2199         (gsi_for_phi_node): New.
2200         (scalar_close_phi_node_p): Remove gcc_assert.
2201         (split_reduction_stmt): New.
2202         (is_reduction_operation_p): New.
2203         (phi_contains_arg): New.
2204         (follow_ssa_with_commutative_ops): New.
2205         (detect_commutative_reduction_arg): New.
2206         (detect_commutative_reduction_assign): New.
2207         (follow_inital_value_to_phi): New.
2208         (edge_initial_value_for_loop_phi): New.
2209         (initial_value_for_loop_phi): New.
2210         (detect_commutative_reduction): New.
2211         (translate_scalar_reduction_to_array_for_stmt): New.
2212         (insert_copyout): New.
2213         (insert_copyin): New.
2214         (translate_scalar_reduction_to_array): New.
2215         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2216         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2217         (rewrite_commutative_reductions_out_of_ssa): New.
2218         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2219         * sese.h (split_region_for_bb): New.
2220
2221         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2222         * gcc.dg/graphite/interchange-1.c: Fix format.
2223         * gcc.dg/graphite/interchange-10.c: New.
2224
2225 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2228         buggy assert.
2229
2230 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2233         (rewrite_cross_bb_scalar_dependence): New.
2234         (rewrite_cross_bb_scalar_deps): New.
2235         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2236         Call rewrite_cross_bb_scalar_deps.
2237
2238 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2241         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2242         gsi_for_stmt.
2243
2244 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2247         * graphite-interchange.c (pbb_do_interchange): Same.
2248         * graphite-poly.c (print_scattering_function): Same.
2249         (debug_pdrs): Same.
2250         * graphite-poly.h (pbb_loop): New.
2251         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2252
2253 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2256
2257 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2258
2259         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2260         so don't pass a pointer to it.
2261         (build_alias_set_for_drs): Same.
2262         (build_base_obj_set_for_drs): Same.
2263         (build_scop_drs): Same.
2264
2265 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2266
2267         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2268         the alias graph of data references.
2269
2270 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2271
2272         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2273         (build_scop_drs): When debugging, write the alias graph to file,
2274         otherwise, should be disabled.
2275
2276 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2277
2278         * Merge from mainline (151310:151361).
2279
2280 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2281
2282         * Merge from mainline (151171:151310).
2283
2284 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2285
2286         * Merge from mainline (151171:151806).
2287
2288 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         * Revert the last commit.
2291
2292 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * Merge from mainline (151171:151819).
2295
2296 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2297
2298         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2299         (is_simple_operand): Remove call to stmt_simple_memref_p.
2300         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2301
2302 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2303
2304         * gcc.dg/graphite/interchange-mvt.c: New File.
2305         * gcc.dg/graphite/scop-dsyrk.c: New File.
2306         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2307         * gcc.dg/graphite/scop-mvt.c: New File.
2308         * gcc.dg/graphite/scop-sor.c: New File.
2309
2310 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2311
2312         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2313         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2314         (graphite_carried_dependence_level_k): Ditto.
2315         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2316         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2317         (new_poly_dr): Adjust declaration.
2318         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2319         (free_gimple_bb): Added free_data_refs_aux.
2320         (build_poly_dr): Add dr_base_object_set.
2321         (partition_drs_to_sets): New.
2322         (dr_same_base_object_p): New.
2323         (build_alias_set_for_drs): New.
2324         (build_base_object_set_for_drs): New.
2325         (build_scop_drs): Add build_base_obj_set_for_drs.
2326         * graphite-sese-to-poly.h: Added #define for alias set number index and
2327         base object set index.
2328         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2329         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2330
2331 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2332
2333         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2334         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2335
2336 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2337
2338         * graphite-sese-to-poly.c (struct irp_data): Removed.
2339         (idx_record_params): Removed.
2340         (find_params_in_bb): Scan for parameters the access functions; don't
2341         parse the tree representation.
2342
2343 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2344
2345         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2346         passes at -O1 and below.
2347
2348 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2349
2350         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2351         tree-scalar-evolution.h, and then tree-data-ref.h.
2352         * graphite-clast-to-gimple.c: Same.
2353         * graphite-dependences.c: Same.
2354         * graphite-interchange.c: Same.
2355         * graphite-poly.c: Same.
2356         * graphite-scop-detection.c: Same.
2357         * graphite-sese-to-poly.c: Same.
2358         * graphite.c: Same.
2359         * lambda-code.c: Same.
2360         * matrix-reorg.c: Same.
2361         * tree-data-ref.c: Same.
2362         * tree-if-conv.c: Same.
2363         * tree-loop-distribu: Same.: Same.
2364         * tree-loop-linear.c: Same.
2365         * tree-parloops.c: Same.
2366         * tree-predcom.c: Same.
2367         * tree-vect-patterns.c: Same.
2368
2369 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         Partially revert the previous patch, except the following.
2372         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2373         as parameters the operands of the not expression.
2374
2375 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2378         Do not call analyze_scalar_evolution on assignments.
2379         (instantiate_scev_phi): Call analyze_scalar_evolution.
2380         (instantiate_scev_name): Call instantiate_scev_assign and
2381         instantiate_scev_phi.
2382         (instantiate_scev_not): Adapted to pass as parameters the operands
2383         of the not expression.
2384
2385 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2386
2387         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2388         to pass as parameters the operands of the binary expression.
2389
2390 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2391
2392         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2393         instantiate_scev_not.  Handle NEGATE_EXPR.
2394         (instantiate_scev_r): Handle NEGATE_EXPR.
2395
2396 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2399         instantiate_scev_r.
2400         (instantiate_scev_r): Move code in instantiate_scev_2
2401         and instantiate_scev_1.
2402
2403 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         * tree-scalar-evolution.c (instantiate_scev_3): New.
2406         (instantiate_scev_1): Move code in instantiate_scev_3.
2407
2408 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2411         (instantiate_scev_1): Move code in instantiate_scev_poly.
2412
2413 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2414
2415         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2416         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2417
2418 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2419
2420         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2421         (instantiate_scev_1): Move code in instantiate_scev_convert.
2422
2423 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2426         (instantiate_scev_1): Move code in instantiate_scev_binary.
2427
2428 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2429
2430         * tree-scalar-evolution.c (instantiate_scev_name): New.
2431         (instantiate_scev_1): Move code in instantiate_scev_name.
2432
2433 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2434
2435         * Merge from mainline (150992:151171).
2436
2437 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2440
2441 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * graphite-dependences.c (graphite_legal_transform_bb): Call
2444         pbb_remove_duplicate_pdrs.
2445         * graphite-poly.c (can_collapse_pdr): Removed.
2446         (pdr_find_duplicate): Removed.
2447         (can_collapse_pdrs): New.
2448         (pbb_remove_duplicate_pdrs): New.
2449         (new_poly_dr): Do not look for duplicates.
2450         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2451         (PBB_PDR_DUPLICATES_REMOVED): New.
2452         (pbb_remove_duplicate_pdrs): Declared.
2453
2454 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2455
2456         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2457         the strides by multiplying by PDR_NB_REFS.
2458         * graphite-poly.c (can_collapse_pdr): New.
2459         (pdr_find_duplicate): New.
2460         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2461         Initialize PDR_NB_REFS.
2462         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2463         (PDR_NB_REFS): New.
2464         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2465
2466 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         Revert one of the previous commits:
2469         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2470         the computation of symmetric data dependence relations.
2471         (dependency_between_pbbs_p): Same.
2472
2473 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475         PR middle-end/40965
2476         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2477         any transform.
2478
2479 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2480
2481         * graphite-dependences.c (pddr_original_scattering): Return NULL
2482         for read-read dependence relations.
2483         * graphite-poly.h (enum poly_dr_type): Fix comment.
2484         (pdr_read_p): New.
2485         (pdr_write_p): New.
2486         (pdr_may_write_p): New.
2487
2488 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2491         (struct poly_dr): Same.
2492         (new_poly_dr): Same.
2493         * graphite-poly.c (new_poly_dr): Same.
2494
2495 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2496             Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2499         pbb_strip_mine_time_depth.  Changed the implementation so that
2500         transformation is expressed as a transformation on
2501         time (scatttering) dimensions.  Also, ensures that the 2d+1
2502         scheduling format is preserved.
2503         (pbb_strip_mine_profitable_p): Profitability is based on the
2504         iteration number of a given time (scattering) dimension,
2505         and not on a original loop depth dimension.
2506         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2507         (pbb_do_strip_mine): Call psct_dynamic_dim.
2508         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2509         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2510         (pbb_nb_dynamic_scattering_transform): New.
2511         (psct_dynamic_dim): New.
2512
2513 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2514
2515         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2516         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2517         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2518         * graphite-interchange.c (build_linearized_memory_access): Same.
2519         (memory_stride_in_loop): Same.
2520
2521 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2522
2523         * graphite-dependences.c (pddr_original_scattering): New.
2524         (graphite_legal_transform_dr): Call pddr_original_scattering.
2525         (dot_deps_1): New.
2526         (dot_deps): New.
2527         * graphite-dependences.h (dot_deps): Declared.
2528         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2529         (print_pdr): Print PDR_ID.
2530         * graphite-poly.h (struct poly_dr): Add field id.
2531         (PDR_ID): New.
2532         (pbb_index): New.
2533         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2534
2535 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2538         not delete the original dependence relation.
2539
2540 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2541
2542         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2543         the computation of symmetric data dependence relations.
2544         (dependency_between_pbbs_p): Same.
2545
2546 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2547
2548         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2549         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2550         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2551         (free_poly_ddr): New.
2552         (pddr_is_empty): New.
2553         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2554         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2555         Remove fprintfs.
2556         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2557         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2558         * graphite-dependences.h (enum poly_dependence_kind): New.
2559         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2560         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2561         (PDRP_SINK): Renamed PDDR_SINK.
2562         (PDRP_DDP): Renamed PDDR_DDP.
2563         (PDDR_KIND): New.
2564         (free_poly_ddr): Declared.
2565         * graphite-poly.c (new_scop): Use the new hash function names.
2566         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2567         into original_pddrs.
2568         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2569
2570 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2571
2572         * Merge from mainline (150764:150992).
2573
2574 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2577         bounds with LT_EXPR to make niter analysis more precise on code
2578         generated by Graphite.
2579
2580 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2583         (graphite_legal_transform_bb): Same.
2584         (poly_drs_may_alias_p): Same.
2585
2586 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         PR middle-end/40981
2589         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2590         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2591
2592 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2593
2594         * graphite-poly.c (print_pbb): Print PBB index.
2595
2596 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2597
2598         * Merge from mainline (r150672:150764).
2599
2600 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2601
2602         * graphite-interchange.c (ppl_max_for_le): Moved...
2603         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2604         * graphite-ppl.c (ppl_max_for_le): ... here.
2605         * graphite-ppl.h (ppl_max_for_le): Declared.
2606
2607 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2608
2609         * Merge from mainline (r150372:150672).
2610
2611 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2612
2613         PR middle-end/40980
2614         * sese.c (convert_for_phi_arg): New.
2615         (add_guard_exit_phis): Use convert_for_phi_arg.
2616
2617         * gfortran.dg/graphite/id-17.f: New.
2618
2619 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2622         unknown subscript upper bounds.
2623
2624         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2625
2626 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2627             Pranav Garg  <pranav.garg2107@gmail.com>
2628
2629         * graphite-interchange.c (gather_access_strides): Removed.
2630         (ppl_max_for_le): New.
2631         (build_linearized_memory_access): New.
2632         (memory_stride_in_loop): New.
2633         (pbb_interchange_profitable_p): Reimplemented.
2634         * graphite-ppl.h (ppl_new_id_map): New.
2635         (ppl_interchange): New.
2636
2637         * gcc.dg/graphite/interchange-6.c: XFAILed.
2638
2639 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2640
2641         * graphite-interchange.c (compute_subscript): Removed.
2642         (compute_array_size_cstr): Removed.
2643         (compute_array_size_poly): Removed.
2644         (compute_array_size): Removed.
2645         (gather_access_strides_poly): Removed.
2646         (gather_access_strides): Empty.
2647
2648 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-dependences.c (dependence_polyhedron_1): Replace
2651         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2652         (graphite_legal_transform_dr): Same.
2653         (graphite_carried_dependence_level_k): Same.
2654         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2655         Initialize PDR_NB_SUBSCRIPTS.
2656         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2657         PDR_NB_SUBSCRIPTS.
2658         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2659         (PDR_NB_SUBSCRIPTS): New.
2660         (pdr_nb_subscripts): Removed.
2661         (pdr_dim): Simplified.
2662         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2663         with PDR_NB_SUBSCRIPTS.
2664
2665 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2666
2667         * graphite-interchange.c (compute_array_size): Remove use of
2668         PDR_DATA_CONTAINER.
2669         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2670         Do not initialize PDR_DATA_CONTAINER.
2671         (print_pdr): Do not print PDR_DATA_CONTAINER.
2672         * graphite-poly.h (struct poly_dr): Remove data_container field.
2673         (PDR_DATA_CONTAINER): Removed.
2674         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2675         PDR_DATA_CONTAINER.
2676         (build_poly_dr): Same.
2677
2678 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         * gcc.dg/graphite/interchange-9.c: New.
2681
2682 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2683             Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2686         copy of the dependence polyhedron.  Free the temporary objects.
2687         (graphite_carried_dependence_level_k): Free unused objects before
2688         returning.
2689
2690         * gcc.dg/graphite/interchange-1.c: XFAILed.
2691         * gcc.dg/graphite/interchange-2.c: XFAILed.
2692         * gcc.dg/graphite/interchange-3.c: XFAILed.
2693         * gcc.dg/graphite/interchange-4.c: XFAILed.
2694         * gcc.dg/graphite/interchange-7.c: XFAILed.
2695
2696 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2699         Early return without analyzing the data dependences if no
2700         transform has been done.  Call restore_scattering if the transform
2701         is not legal.
2702         (graphite-interchange.c): Same.
2703         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2704         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2705         (apply_poly_transforms): Do not gcc_assert that
2706         the transform is legal.
2707         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2708         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2709         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2710         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2711         * graphite-poly.h (struct poly_scattering): New.
2712         (struct poly_bb): Add original, transformed, and saved fields.
2713         Remove transformed_scattering, original_scattering, nb_local_variables,
2714         and nb_scattering_transform fields.
2715         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2716         (poly_scattering_new): New.
2717         (poly_scattering_free): New.
2718         (poly_scattering_copy): New.
2719         (store_scattering_pbb): New.
2720         (store_scattering): New.
2721         (restore_scattering_pbb): New.
2722         (restore_scattering): New.
2723         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2724         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2725
2726 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2729         (print_scop): Same.
2730
2731 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2732
2733         * Makefile.in (graphite.o): Depends on PREDICT_H.
2734         * graphite.c: Include predict.h.
2735         (graphite_finalize): Call tree_estimate_probability.
2736         * predict.c (predict_loops): Do not call scev_initialize and
2737         scev_finalize.
2738         (tree_estimate_probability_bb): New.
2739         (tree_estimate_probability): Do not initialize loops: move that
2740         code to the driver.  Call tree_estimate_probability_bb.
2741         (tree_estimate_probability_driver): New.
2742         (pass_profile): Use tree_estimate_probability_driver.
2743         * predict.h (tree_estimate_probability): Declared.
2744
2745 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2746
2747         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2748         * graphite-dependences.c (graphite_legal_transform): Add time to
2749         TV_GRAPHITE_DATA_DEPS.
2750         (dependency_between_pbbs_p): Same.
2751         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2752
2753 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         * Merge from mainline (r149952:150372).
2756
2757 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2758
2759         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2760         * graphite-blocking.c: Same.
2761         * graphite-clast-to-gimple.c: Same.
2762         * graphite-dependences.c: Same.
2763         * graphite-poly.c: Same.
2764         * graphite-poly.h: Same.
2765         * graphite-ppl.c: Same.
2766         * graphite-scop-detection.c: Same.
2767         * graphite-sese-to-poly.c: Same.
2768         * graphite.c: Same.
2769
2770 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2773         (remove_simple_copy_phi): New.
2774         (remove_invariant_phi): New.
2775         (simple_copy_phi_p): New.
2776         (reduction_phi_p): New.
2777         (gsi_for_ssa_name_def): New.
2778         (insert_out_of_ssa_copy): New.
2779         (insert_out_of_ssa_copy_on_edge): New.
2780         (create_zero_dim_array): New.
2781         (scalar_close_phi_node_p): New.
2782         (rewrite_close_phi_out_of_ssa): New.
2783         (rewrite_phi_out_of_ssa): New.
2784         (rewrite_reductions_out_of_ssa): New.
2785         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2786
2787         * gcc.dg/graphite/id-11.c: New.
2788         * gcc.dg/graphite/id-15.c: New.
2789         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2790         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2791         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2792         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2793         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2794         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2795         * gfortran.dg/graphite/id-13.f: New.
2796         * gfortran.dg/graphite/id-5.f: New.
2797
2798 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2801         check that nb_reductions_in_loop is zero.
2802         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2803         reduction phi nodes.
2804         (nb_reductions_in_loop): Removed.
2805         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2806         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2807         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2808         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2809         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2810
2811 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2814         statements that have an empty iteration domain.
2815         * gfortran.dg/graphite/id-16.f: New.
2816
2817 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * tree-scalar-evolution.c (instantiate_scev_1): Return
2820         chrec_dont_know when the result is not above instantiate_below.
2821         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2822         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2823         the tree has a known scalar evolution.
2824         * gfortran.dg/graphite/id-14.f: New.
2825         * gfortran.dg/graphite/id-15.f: New.
2826
2827 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2828
2829         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2830         insert_gsi.
2831         (rename_variables): Keep inserting renames after the ones already
2832         inserted.
2833
2834 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2835
2836         * graphite-sese-to-poly.c (compare_bb_depths): New.
2837         (graphite_sort_dominated_info): New.
2838         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2839         (build_scop_scattering): Fix comment.
2840
2841 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite.c (graphite_finalize): Call print_loops instead of
2844         dump_function_to_file.
2845         * gcc.dg/graphite/graphite.exp: Fix formatting.
2846         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2847         loops generated in the graphite output file.
2848         * gcc.dg/graphite/pr35356-2.c: New.
2849         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2850         * gfortran.dg/graphite/id-12.f: New.
2851
2852 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2853
2854         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2855         Remove 2 XFAIL.
2856
2857 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2858             Tobias Grosser  <grosser@fim.uni-passau.de>
2859
2860         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2861         alias set number build alias in ACCESSES polyhedron.
2862         (build_alias_set_for_drs): New.
2863         (build_pbb_drs): Added build_alias_set_for_drs.
2864         * graphite-dependences.c (poly_drs_may_alias_p): New.
2865         (graphite_carried_dependence_level_k): Check alias information
2866         before building polyhedron.
2867
2868 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2869
2870         * Makefile.in (lambda-code.o): Fix formatting.
2871
2872 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2873
2874         * Merge from mainline (r149350-149952)
2875
2876 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2877
2878         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2879         before interchange to prepare for loop blocking.
2880
2881 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2882
2883         * graphite-poly.c (apply_poly_transforms): Add checks after every
2884         transformation.
2885         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2886         done in apply_poly_transforms.
2887
2888 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2889
2890         * graphite-dependences.c (build_lexicographically_gt_constraint):
2891         Replace RES parameter with *RES.
2892         (dependence_polyhedron_1): Pass an address of the parameter RES
2893         instead of value of RES.
2894
2895 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2896
2897         * graphite.c (graphite_finalize): Fix comment.
2898         (graphite_transform_loops): Reset scev info after code generation
2899         of each scop.
2900
2901 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2902
2903         * graphite.c (graphite_finalize): Call scev_reset.
2904
2905 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2908         GBB_CLOOG_IV_TYPES hash table twice.
2909         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2910         (add_condition_to_domain): Clear GMP values.
2911
2912 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2913
2914         * graphite-dependences.c: Fix formatting.
2915         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2916         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2917         * graphite-sese-to-poly.c: Fix formatting.
2918         * graphite.c (graphite_transform_loops): Create the hash table
2919         after the early return.
2920
2921 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2922
2923         * gcc.dg/graphite/id-14.c: New.
2924         * gcc.dg/graphite/pr40157.c: New.
2925         * gfortran.dg/graphite/id-11.f: New.
2926
2927 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2928
2929         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2930         (build_poly_scop): Return false when there are no pbbs within
2931         loops to avoid to pass to cloog scops with no loops.
2932
2933 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2936         useless test "i % 2".
2937         (build_pbb_scattering_polyhedrons): Fix formatting.
2938         (build_poly_dr): Same.
2939         * graphite.c (graphite_transform_loops): Restructure.
2940
2941 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2942
2943         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2944         reduction_list parameter.
2945         (rewrite_all_phi_nodes_with_iv): Same.
2946         (canonicalize_loop_ivs): Same.
2947         * tree-parloops.c (struct brli): Removed.
2948         (build_reduction_list_info): Removed.
2949         (build_new_reduction): New.
2950         (analyze_reduction_list): Removed.
2951         (gather_scalar_reductions): Find reductions instead of phi
2952         nodes that can't be canonicalized.
2953         (try_create_reduction_list): Remove reduction_list parameter.
2954         (gen_parallel_loop): Same.
2955         (parallelize_loops): Remove analyze_reductions variable,
2956         initialization and free.
2957         Change reduction_list htab initialization to reduction_info
2958         elements instead of ssa names.
2959         Call try_create_reduction_list and gen_parallel_loop without
2960         analyzed_reduction argument.
2961         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2962         canonicalize_loop_ivs with one less argument.
2963         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2964
2965 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2966
2967         * graphite-dependences.c (new_poly_dr_pair): New.
2968         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2969         (new_poly_dr_pair): New.
2970         (eq_poly_dr_pair_p): New.
2971         (hash_poly_dr_pair_p): New.
2972         * graphite-dependences.h (struct poly_dr_pair): New.
2973         (eq_poly_dr_pair_p): Declared.
2974         (hash_poly_dr_pair_p): Declared.
2975         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2976         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2977         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2978         * Makefile.in (graphite-poly.o): Add dependence on
2979         graphite-dependences.h.
2980
2981 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2982
2983         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2984         polynomials of degree > 1 pass to Graphite.
2985         * tree-chrec.c (scev_is_linear_expression): Call
2986         evolution_function_is_affine_multivariate_p.
2987         * gfortran.dg/graphite/id-10.f90: New.
2988
2989 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2992         Instantiate scevs varying in outer loops.
2993         * gfortran.dg/graphite/id-9.f: Correct testcase.
2994
2995 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2996
2997         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2998         redundant constraint.
2999
3000 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3001
3002         * gcc.dg/graphite/graphite.exp: Fix comments.
3003         * gfortran.dg/graphite/graphite.exp: Trigger actions
3004         based on the file names as in the C testsuite.
3005         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3006         * gfortran.dg/graphite/block-2.f: Same.
3007         * gfortran.dg/graphite/block-3.f90: Same.
3008         * gfortran.dg/graphite/block-4.f90: Same.
3009         * gfortran.dg/graphite/id-1.f90: Same.
3010         * gfortran.dg/graphite/id-2.f90: Same.
3011         * gfortran.dg/graphite/id-3.f90: Same.
3012         * gfortran.dg/graphite/id-4.f90: Same.
3013         * gfortran.dg/graphite/id-6.f: Same.
3014         * gfortran.dg/graphite/id-9.f: Same.
3015         * gfortran.dg/graphite/interchange-1.f: Same.
3016         * gfortran.dg/graphite/interchange-2.f: Same.
3017         * gfortran.dg/graphite/scop-1.f: Same.
3018
3019 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3020
3021         * sese.c (expand_scalar_variables_call): New.
3022         (expand_scalar_variables_ssa_name): Handle calls in expander.
3023
3024 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3027         Expect to see the pattern twice.
3028         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3029         * gcc.dg/graphite/interchange-5.c: Same.
3030         * gcc.dg/graphite/interchange-6.c: Same.
3031
3032 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3033
3034         * gcc.dg/graphite/id-10.c: New.
3035         * gcc.dg/graphite/id-12.c: New.
3036         * gfortran.dg/graphite/id-7.f: New.
3037         * gfortran.dg/graphite/id-8.f: New.
3038
3039 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3042         zero.
3043
3044 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3045
3046         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3047
3048 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3049
3050         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3051
3052 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3053
3054         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3055         building PDR subscripts.
3056
3057 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3058
3059         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3060         computation of array sizes.
3061
3062 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3063
3064         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3065
3066 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3067
3068         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3069         build_pairwise_constraint, dr_equality_constraints,
3070         build_pairwise_scheduling_equality,
3071         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3072         build_lexicographically_gt_constraint, dependence_polyhedron,
3073         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3074         Move from NNC_Polyhedron to C_Polyhedron.
3075         * graphite-interchange.c (compute_array_size_poly,
3076         gather_access_strides): Dito.
3077         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3078         free_scop, pbb_number_of_iterations): Dito.
3079         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3080         pbb_dim_iter_domain, struct scop): Dito.
3081         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3082         new_Cloog_Domain_from_ppl_Polyhedron,
3083         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3084         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3085         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3086         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3087         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3088         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3089         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3090         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3091         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3092         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3093         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3094         build_scop_iteration_domain, build_poly_dr): Dito
3095
3096 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3099         run-id-*.c files.
3100         * gcc.dg/graphite/run-id-1.c: New.
3101
3102 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3105         positivity constraint on the symbolic number of iterations.
3106
3107 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3108
3109         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3110
3111 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3112             Tobias Grosser  <grosser@fim.uni-passau.de>
3113
3114         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3115         (build_cloog_prog): Directly use SCOP_CONTEXT.
3116         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3117         (free_scop): Free SCOP_CONTEXT.
3118         (print_scop_context): New.
3119         (print_scop): Call print_scop_context.
3120         (debug_scop_context): New.
3121         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3122         (struct scop): Added field context.
3123         (SCOP_CONTEXT): New.
3124         * graphite-sese-to-poly.c (add_param_constraints): New.
3125         (build_scop_context): New.
3126         (build_poly_scop): Call build_scop_context.
3127
3128 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3129
3130         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3131         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3132         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3133         * graphite-ppl.h: Include double-int.h and tree.h.
3134         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3135         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3136         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3137         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3138
3139 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3142         POINTER_PLUS_EXPR for pointer types.
3143         (clast_to_gcc_expression): Same.
3144
3145 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * graphite-poly.c (print_scattering_function): Early return when
3148         PBB_TRANSFORMED_SCATTERING is not initialized.
3149         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3150
3151 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3154         to fix bootstrap.
3155
3156 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3157
3158         * tree-parloops.c (analyze_reduction_list): Change return
3159         value to void.
3160         (try_create_reduction_list): Move the call to
3161         analyze_reduction_list to the beginining.
3162         Call reduction_phi with analyzed_reductions as argument
3163         instead of reduction_list.
3164
3165 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3166
3167         *  Merge from mainline (r148296:149346)
3168
3169 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         * graphite-scop-detection.c (graphite_can_represent_init): New.
3172         (graphite_can_represent_scev): Call graphite_can_represent_init:
3173         check that the initial value does not contain multiplications of
3174         parameters.
3175         (stmt_has_simple_data_refs_p): New.
3176         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3177         (is_simple_operand): Fix formatting.
3178         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3179
3180 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3181
3182         * gcc.dg/graphite/id-13.c: New.
3183         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3184         analyze_scalar_evolution, use scalar_evolution_in_region.
3185         (scan_tree_for_params_right_scev): Add extra assert.
3186         (parameter_index_in_region_1): Split from parameter_index_in_region.
3187         (idx_record_params): Use scalar_evolution_in_region.
3188         (find_params_in_bb): Same.
3189         (find_scop_parameters): Same.
3190         (build_loop_iteration_domains): Same.
3191         (create_linear_expr_from_tree): Same.
3192         * sese.c (scalar_evolution_in_region): New.
3193         * sese.h (scalar_evolution_in_region): Declared.
3194         (defined_in_sese_p): New.
3195         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3196         static anymore.
3197         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3198         Declared.
3199
3200 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3203         TREE_DATA_REF_H also implies SCEV_H.
3204
3205 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         * graphite-poly.c (print_scop_params): New.
3208         (print_scop): Call print_scop_params.
3209         (debug_scop_params): New.
3210         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3211
3212 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3213
3214         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3215         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3216         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3217         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3218         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3219         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3220
3221 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3222
3223         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3224         for dependency checking part.
3225         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3226         tests for dependency checking.
3227         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3228         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3229         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3230         flag -fdump-tree-graphite-all for autopar testsuites.
3231
3232 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3233
3234         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3235         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3236         canonicalize_loop_ivs): Moved...
3237         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3238
3239 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         * tree-parloops.c (try_create_reduction_list): Pass an extra
3242         argument analyzed_reductions.  Call analyze_reduction_list.
3243         (gen_parallel_loop): Do not call analyze_reduction_list.
3244         (parallelize_loops): Init and finalize analyzed_reductions.
3245
3246 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3247
3248         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3249         Added flag -fno-loop-strip-mine for autopar testcase.
3250
3251 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3252
3253         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3254         transformed scattering dimension instead of unmatch orignal when
3255         calling dependence_polyhedron.
3256
3257 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3258
3259         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3260
3261 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3264         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3265
3266 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3267
3268         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3269         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3270         * graphite-poly.c (pbb_number_of_iterations): New.
3271         * graphite-poly.h (pbb_number_of_iterations): Declared.
3272         (pbb_iterator_dim, pbb_parameter_dim): New.
3273
3274 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3275
3276         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3277         last commit on type of lower and upper bound of loops.
3278
3279 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3280
3281         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3282         graphite-dependences.h.
3283         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3284         (mark_bb_with_pbb): New.
3285         (get_stmtfor_depth): New.
3286         (find_pbb_via_hash): New.
3287         (dependency_in_loop_p): New.
3288         (mark_loops_parallel): New.
3289         (free_aux_in_new_loops): New.
3290         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3291         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3292         innermost loop parallel without checking.
3293         (gloog): Add parameter BB_PBB_MAPPING.
3294         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3295         (gloog): Change declaration.
3296         (mark_loop_parallel): Make extern.
3297         (free_aux_in_new_loops): Declare.
3298         (bb_pbb_map_hash): New.
3299         (eq_bb_pbb_map): New.
3300         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3301         auto parallelization when flag_graphite_force_parallel is set.
3302         (graphite_finalize): Added free_aux_in_new_loops.
3303         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3304         the innermost loop that marked parallel.  Use
3305         flag_graphite_force_parallel instead of loop->can_be_parallel.
3306         (loop_parallel_p): Move inner most checking out of function.
3307
3308 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3309
3310         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3311         type of lower and upper bound of loops signed long int.
3312
3313 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3314
3315         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3316         expression outside the loop.
3317
3318 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * gcc.dg/graphite/interchange-8.c: New.
3321
3322 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * gcc.dg/graphite/interchange-0.c: XFailed.
3325         * gcc.dg/graphite/interchange-5.c: XFailed.
3326         * gcc.dg/graphite/interchange-6.c: XFailed.
3327
3328 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3329
3330         * graphite-interchange.c (compute_array_size_poly): The end of the
3331         recursion should return 1.
3332
3333 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3334
3335         * graphite-interchange.c (compute_array_size_cstr): Allow the
3336         subscript multiplier to be -1.
3337         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3338         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3339         data_container.  Initializes PDR_DATA_CONTAINER.
3340         (print_pdr_access_layout): New.
3341         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3342         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3343         data_container.
3344         (PDR_DATA_CONTAINER): New.
3345         (new_poly_dr): Update declaration.
3346         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3347         (build_poly_dr): Call pdr_add_data_dimensions.
3348
3349 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * graphite-poly.h (struct poly_dr): Fix comment.
3352         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3353         (pdr_add_memory_accesses): New.
3354         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3355
3356 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3357
3358         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3359         (print_pbb): Add call to print_pdrs.
3360         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3361
3362 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3363             Li Feng <nemokingdom@gmail.com>
3364
3365         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3366         (dependency_between_pbbs_p): New.
3367         (lexicographically_gt_p): Assure !empty_p before polyhedron
3368         intersection assign.
3369         (build_lexicographically_gt_constraint): Correct lexicographically
3370         judging.
3371         * graphite-dependences.h: New.
3372         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3373
3374 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3375
3376         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3377         (gloog): Print to dump_file the generated clast.
3378         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3379         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3380
3381 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3382
3383         * graphite-poly.c (extend_scattering): Increment
3384         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3385
3386 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * graphite-interchange.c (compute_array_size_poly): Added exit of
3389         recursion condition.  Continue iterating even after the first equality.
3390         (compute_array_size): Same.
3391
3392 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3393
3394         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3395         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3396         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3397         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3398         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3399
3400 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3401
3402         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3403         only when the use verifies is_gimple_reg.
3404
3405 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3408         Allocate scaldims after call to unify_scattering_dimensions.
3409
3410 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3413
3414 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3415             Albert Cohen  <albert.cohen@inria.fr>
3416
3417         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3418         variables for the strip mining.
3419
3420 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3421             Pranav Garg  <pranav.garg2107@gmail.com>
3422
3423         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3424         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3425         (graphite-blocking.o): New rule.
3426         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3427         * graphite-blocking.c: New.
3428         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3429         flag_loop_strip_mine.
3430         (psct_scattering_dim_for_loop_depth): New.
3431         * graphite-poly.h (scop_do_strip_mine): Declared.
3432         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3433         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3434         flag_loop_strip_mine.
3435
3436 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3437
3438         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3439         a GMP value and a PPL coefficient at each iteration of a loop.
3440
3441 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3442
3443         * graphite-dependences.c (dependence_polyhedron): Do not use
3444         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3445         pbb_nb_scattering_transform.
3446         (graphite_legal_transform_dr): Same.
3447         * graphite-poly.c (extend_scattering): Same.
3448         (unify_scattering_dimensions): Same.
3449         (print_scattering_function): Same.
3450         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3451         PBB_NB_LOCAL_VARIABLES.
3452         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3453         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3454         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3455         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3456         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3457         (pbb_nb_scattering_transform): New.
3458         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3459         (psco_scattering_dim): Add assert on parameters.
3460         (psct_scattering_dim): Same.
3461         (psct_scattering_dim_for_loop_depth): Declared.
3462         (psct_local_var_dim): New.
3463         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3464         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3465         correct layout, call pbb_nb_local_vars.
3466         (psct_add_local_variable, psct_add_scattering_dimension): New.
3467         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3468         Initialize PBB_NB_SCATTERING_TRANSFORM.
3469
3470 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3471
3472         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3473         (set_coef): Renamed ppl_set_coef.
3474         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3475
3476 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3477
3478         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3479         test a boolean against 1.
3480         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3481         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3482         (pbb_do_interchange): Returns true when a transform has been performed.
3483         (scop_do_interchange): Same.
3484         * graphite-poly.c (apply_poly_transforms): Use the return value of
3485         scop_do_interchange.
3486         * graphite-poly.h (scop_do_interchange): Update declaration.
3487
3488 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3489
3490         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3491         after last use.
3492         * sese.c (sese_reset_aux_in_loops): New.
3493         * sese.h (sese_reset_aux_in_loops): New.
3494
3495 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3496
3497         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3498         multiplier and multiply the constant by the multiplier.
3499         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3500         (build_poly_dr): Do not use the multiplier to define the subscript.
3501
3502 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3503
3504         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3505         compiler's data reference.  Initialize PDR_CDR.
3506         (print_pdr): Call dump_data_reference.
3507         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3508         Add compiler_dr field.
3509         (PDR_BB): Renamed PDR_PBB.
3510         (PDR_CDR): New.
3511         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3512         GCC's data reference representation.
3513         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3514         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3515
3516 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3517
3518         * graphite-poly.c (print_scattering_function): Also print the layout.
3519         * graphite-poly.h (pbb_nb_local_vars): New.
3520
3521 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3522
3523         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3524
3525 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3526
3527         * graphite-poly.c (print_pdr, debug_pdr): New.
3528         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3529         (PDR_BASE): Removed.
3530
3531 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3532
3533         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3534         ltrans-{1..6,8}.c.
3535
3536 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3537
3538         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3539         subscript identification column.
3540         (pbb_do_interchange): Print to dump_file that some loops "will be
3541         interchanged".  Rely on that chain of characters in the testcases.
3542         * gcc.dg/graphite/interchange-0.c: New.
3543         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3544         interchange-*.c files and compile them with -floop-interchange.
3545
3546 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3547
3548         * graphite-interchange.c (interchange_profitable_p): Renamed
3549         pbb_interchange_profitable_p.
3550
3551 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3552             Harsha Jagasia  <harsha.jagasia@amd.com>
3553             Pranav Garg  <pranav.garg2107@gmail.com>
3554
3555         * graphite-interchange.c (interchange_profitable_p): Make static.
3556         (pbb_interchange_loop_depths, pbb_do_interchange,
3557         scop_do_interchange): New.
3558         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3559         for flag_loop_interchange.
3560         * graphite-poly.h (scop_do_interchange): Declared.
3561         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3562         flag_loop_interchange is used.
3563
3564 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3565
3566         * graphite-dependences.c (dependence_polyhedron): Update use of
3567         pbb_nb_scattering_dims.
3568         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3569         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3570         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3571         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3572
3573 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * graphite.c: Cleanup foo.
3576
3577 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3578
3579         * Merge from mainline (r143684:148293).
3580         * Disabled libpcp until it gets fixed.
3581
3582 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3583             Harsha Jagasia  <harsha.jagasia@amd.com>
3584
3585         * graphite-interchange.c: New.
3586         * Makefile.in (graphite-interchange.o): New.
3587         * graphite-poly.h (interchange_profitable_p): Declared.
3588         * graphite-ppl.h (value_max): New.
3589
3590 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3591
3592         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3593         * graphite-poly.h: Fix some comments.
3594         (pdr_dim): New.
3595         (pdr_scop): New.
3596
3597 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3598
3599         * graphite-poly.h
3600         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3601         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3602         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3603         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3604         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3605         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3606         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3607         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3608         * graphite-clast-to-gimple.c: Same.
3609         * graphite-dependences.c: Same.
3610         * graphite-poly.c: Same.
3611         * graphite-sese-to-poly.c: Same.
3612
3613 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3614
3615         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3616         expressions for an IV rename, as returned by clast_to_gcc_expression.
3617         (copy_renames): Rename new_name to expr.
3618         * sese.c (debug_rename_elt): Same.
3619         (get_rename): Same.
3620         (set_rename): Same.
3621         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3622         the information from the rename map.
3623         (rename_variables_in_stmt): Same.
3624         (add_loop_exit_phis): Rename new_name to expr.
3625         (insert_loop_close_phis): Same.
3626         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3627         * sese.h (struct rename_map_elt): Rename new_name to expr.
3628         (new_rename_map_elt): Same.
3629
3630 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3631
3632         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3633         * sese.c (set_rename): Make it extern.
3634         * sese.h (set_rename): Declared.
3635
3636 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3637
3638         * graphite-poly.c (extend_scattering): Free values.
3639         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3640         Free iterators.
3641         (ppl_print_powerset_matrix): Same.
3642         * graphite-scop-detection.c (free_scops_1): New.
3643         (limit_scops): Call free_scops_1.
3644         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3645         (build_poly_dr): Free PPL coefficients.
3646         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3647
3648 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3649
3650         * graphite-dependences.c: New.
3651         * graphite-data-ref.c: Removed.
3652         * graphite-data-ref.h: Removed.
3653         * Makefile.in (graphite-data-ref.o): Removed.
3654         (graphite-dependences.o): Added.
3655         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3656         * graphite-poly.c: Same.
3657         Move the data dependence testing to graphite-dependences.c.
3658
3659 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3660
3661         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3662         from graphite_cannot_represent_loop. Code refactored.
3663         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3664
3665 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3666
3667         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3668         Cover all the testcases (not only the filtered ones).
3669
3670 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3671
3672         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3673         unnecessary check. Update comments. Move check for REAL_TYPE here.
3674         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3675         done in (stmt_simple_for_scop_p).
3676
3677 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3678
3679         * graphite.c (print_global_statistics): New.
3680         (print_graphite_scop_statistic): New.
3681         (print_graphite_statistics): New.
3682         (graphite_initialize, graphite_transform_loops): Print statistics.
3683         * graphite-scop-detection (build_scops): Print statistics.
3684         (print_graphite_scop_statistics): New.
3685         (print_graphite_statistics): New.
3686
3687 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3688
3689         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3690         (debug_clast_name_index): Removed.
3691         (debug_clast_name_indexes_1): Removed.
3692         (debug_clast_name_indexes): Removed.
3693         (clast_name_index_elt_info): Removed.
3694         (eq_clast_name_indexes): Removed.
3695         (clast_name_to_index): Removed.
3696         (new_clast_name_index): Removed.
3697         (save_clast_name_index): Removed.
3698         (save_var_name): Moved...
3699         (init_sese_params_index): Removed.
3700         (clast_name_to_gcc): Remove use of name_tree.
3701         (initialize_cloog_names): Same.
3702         (gloog): Do not call init_sese_params_index.
3703         * graphite-sese-to-poly.c (save_var_name): ...here.
3704         (parameter_index_in_region): New.
3705         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3706         (parameter_index_in_region): Removed.
3707         (is_parameter): Remove use of name_tree.
3708         * sese.h (struct name_tree): Removed.
3709         (struct sese): Remove use of name_tree.  New field params_names.
3710         (SESE_PARAMS_NAMES): New.
3711         (SESE_PARAMS): Remove duplicate.
3712         (parameter_index_in_region): Removed.
3713         (sese_nb_params): Remove use of name_tree.
3714         (struct clast_name_index): New.
3715         (new_clast_name_index): New.
3716         (clast_name_to_index): New.
3717         (save_clast_name_index): New.
3718         (debug_clast_name_index): New.
3719         (debug_clast_name_indexes_1): New.
3720         (debug_clast_name_indexes): New.
3721         (clast_name_index_elt_info): New.
3722         (eq_clast_name_indexes): New.
3723
3724 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3725
3726         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3727         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3728         (graphite_loop_normal_form): Do not pass region.  Do not
3729         initialize SESE_OLDIVS.
3730         (build_graphite_loop_normal_form): Update call to
3731         graphite_loop_normal_form.
3732         * sese.c (debug_oldivs): Removed.
3733         (new_sese): Do not initialize SESE_OLDIVS.
3734         (free_sese): Do not free SESE_OLDIVS.
3735         (oldiv_for_loop): Removed.
3736         * sese.h (struct sese): Remove old_ivs.
3737         (SESE_OLDIVS): Removed.
3738         (oldiv_for_loop): Removed.
3739
3740 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3741
3742         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3743         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3744         replaced by a call to newivs_to_depth_to_newiv.
3745         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3746         (clast_to_gcc_expression_red): Same.
3747         (gcc_type_for_clast_expr): Same.
3748         (gcc_type_for_clast_eq): Same.
3749         (graphite_translate_clast_equation): Same.
3750         (graphite_create_guard_cond_expr): Same.
3751         (graphite_create_new_guard): Same.
3752         (graphite_create_new_loop): Same.
3753         (build_iv_mapping): Same.
3754         (translate_clast): Same.
3755         (gloog): Same.
3756         (loop_iv_stack_patch_for_consts): Removed.  *
3757         sese.c (iv_stack_entry_is_constant): Removed.
3758         (iv_stack_entry_is_iv): Removed.
3759         (loop_iv_stack_push_iv): Removed.
3760         (loop_iv_stack_insert_constant): Removed.
3761         (loop_iv_stack_pop): Removed.
3762         (loop_iv_stack_get_iv): Removed.
3763         (loop_iv_stack_get_iv_from_name): Removed.
3764         (debug_loop_iv_stack): Removed.
3765         (free_loop_iv_stack): Removed.
3766         (loop_iv_stack_remove_constants): Removed.  *
3767         sese.h (iv_stack_entry_kind): Removed.
3768         (iv_stack_entry_data_union): Removed.
3769         (iv_stack_entry_struct): Removed.
3770         (iv_stack_entry_p): Removed.
3771         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3772         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3773         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3774         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3775         (gbb_loop_at_index): Fix indenting.
3776         (gbb_loop_index): Removed.
3777
3778 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3779
3780         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3781         Call clast_name_to_index.
3782
3783 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3784
3785         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3786         do not pass params.  Get params from SESE_PARAMS.
3787         (clast_to_gcc_expression): Same.
3788         (clast_to_gcc_expression_red): Same.
3789         (gcc_type_for_clast_eq): Same.
3790         (graphite_translate_clast_equation): Same.
3791         (graphite_create_new_loop): Same.
3792         * sese.c (rename_variables_in_stmt): Fix comment.
3793
3794 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3795
3796         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3797         newivs_index.
3798         Call save_clast_name_index.
3799         (translate_clast): Pass newivs_index.
3800         (gloog): Create and free newivs_index.
3801
3802 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3803
3804         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3805         (clast_name_index_p): New type.
3806         (debug_clast_name_index): New.
3807         (debug_clast_name_indexes_1): New.
3808         (debug_clast_name_indexes): New.
3809         (clast_name_index_elt_info): New.
3810         (eq_clast_name_indexes): New.
3811         (clast_name_to_index): New.
3812         (new_clast_name_index): New.
3813         (save_clast_name_index): New.
3814         (init_sese_params_index): New.
3815         (gloog): Call init_sese_params_index.
3816         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3817         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3818         (free_sese): Free SESE_PARAMS_INDEX.
3819         * sese.h (struct sese): Add params_index.
3820         (SESE_PARAMS_INDEX): New.
3821
3822 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3825         (graphite_create_new_loop): Pass the newivs vector.  Push the
3826         newly created IV to newivs.
3827         (translate_clast): Pass the newivs vector.
3828         (gloog): Create and destroy the newivs vector.
3829
3830 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3831
3832         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3833         (graphite_loop_normal_form): Initialize loop->aux with the unique
3834         IV that has been created.
3835
3836 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3837
3838         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3839         scev with parameters in the base part. They where forbidden
3840         exidently.
3841
3842 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3843
3844         * gcc.dg/graphite/graphite.exp: Set different default
3845         compile options by file names.
3846         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3847         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3848         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3849         * gcc.dg/graphite/scop-matmult.c: Ditto.
3850
3851 2009-05-08  Li Feng <nemokingdom@gmail.com>
3852
3853         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3854         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3855         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3856         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3857
3858 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3859
3860         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3861         by final cleanup.
3862
3863 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3864
3865         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3866         allow integer constant strides.
3867         (graphite_can_represent_expr): Depend on outermost_loop.
3868         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3869         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3870         build_scops_1): Same.
3871         (scopdet_basic_block_info): Same and insert layered SCoP
3872         detection.
3873         (try_generate_gimple_bb): Cleanup.
3874         (build_scops): Enable data references.
3875
3876         * gcc.dg/graphite/id-5.c: New.
3877         * gcc.dg/graphite/id-9.c: New.
3878         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3879         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3880
3881 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3882
3883         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3884         that we have not yet built for this SCoP.
3885
3886 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3887
3888         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3889         for complex numbers.
3890
3891 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3892
3893         * graphite-ppl.c: Fix build if cloog is not available.
3894
3895 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3896
3897         * tree-parloops.c (loop_parallel_p): Remove construction of
3898         NITER and REDUCTION_LIST.
3899         (try_get_loop_niter): New.
3900         (try_create_reduction_list): New.
3901         (parallelize_loops): Bypass the failed checkings in autopar
3902         when can_be_parallel in loop structure is set to true.
3903
3904 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3905
3906         * gcc.dg/graphite/id-6.c: Update testcase.
3907         * gcc.dg/graphite/scop-3.c: Dito.
3908
3909 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3910
3911         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3912         Enable EQ_EXPR and NE_EXPR again.
3913
3914 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3915
3916         * graphite-scop-detection.c (graphite_can_represent_scev):
3917         Add check if scev is affine multivariate.
3918         (harmful_stmt_in_bb): Check if we can represent the conditions.
3919         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3920         harmful_stmt_in_bb.
3921         * gcc.dg/graphite/id-7.c: New.
3922
3923 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3924
3925         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3926         Check all bbs in region, not only the bbs that are represented in
3927         GRAPHITE.
3928         (build_poly_scop): Add newline.
3929         * gcc.dg/graphite/id-8.c: New.
3930
3931 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3932
3933         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3934         when loop initialize.
3935         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3936         * common.opt: Declare flag_graphite_force_parallel.
3937         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3938         loop parallel.
3939         * graphite-poly.c (apply_poly_transforms): Introduce
3940         flag_graphite_force_parallel.
3941         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3942         * toplev.c (process_options): ditto and replace a not correctly
3943         encoded space.
3944
3945 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3946
3947         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3948         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3949         to the redefinition.
3950         (compute_cloog_iv_types_1): ditto.
3951         (build_iv_mapping): ditto.
3952         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3953         initialization.
3954         (free_gimple_bb): Removed GBB_LOOPS related free part.
3955         (build_bb_loops): Removed.
3956         * sese.h (struct gimple_bb): Removed loops.
3957         (GBB_LOOPS): Removed.
3958         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3959         (gbb_loop_index): ditto.
3960
3961 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3962
3963         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3964         allow non constant strides.
3965         * gcc.dg/graphite/scop-20.c: New.
3966
3967 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3968
3969         * graphite-scop-detection.c (dot_all_scops): Fix system call
3970         return value warning.
3971         (dot_scop): Same.
3972
3973 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3974
3975         * gcc.dg/graphite/id-6.c: Fix pattern.
3976         * gcc.dg/graphite/scop-3.c: Same.
3977
3978 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3979
3980         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3981         build_pairwise_constraint, dr_equality_constraints,
3982         build_pairwise_scheduling_equality,
3983         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3984         build_lexicographically_gt_constraint, dependence_polyhedron,
3985         graphite_legal_transform_dr, graphite_legal_transform_bb,
3986         graphite_legal_transform): New.
3987         * graphite-poly.h (graphite_legal_transform): Declared.
3988         * graphite-sese-to-poly.c (build_poly_scop): Call to
3989         graphite_legal_transform is disabled for the moment.
3990
3991 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3992
3993         * graphite-poly.h (pbb_nb_scattering_dims): New.
3994         (pbb_nb_scattering): Use it.
3995
3996 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3997
3998         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3999         Pointset_Powerset version of ppl_insert_dimensions.
4000         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4001
4002 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4003
4004         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4005
4006 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * graphite-poly.h: Fix comment.
4009
4010 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4011
4012         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4013
4014 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4015
4016         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4017         statements.
4018
4019 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4020
4021         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4022         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4023         conditions.
4024
4025 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4026
4027         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4028         handle EQ_EXPR and NE_EXPR.
4029
4030 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4031
4032         * graphite-poly.h (poly_dr): Fix comment.
4033
4034 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4035             Tobias Grosser  <grosser@fim.uni-passau.de>
4036
4037         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4038         with a zero dimension polyhedron.
4039         (find_scop_parameters): Move the call to scop_set_nb_params here.
4040         (build_loop_iteration_domains): Store in loop->aux the iteration
4041         domain polyhedron.
4042         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4043         by any loop in scop.
4044         (build_poly_scop): Do not call scop_set_nb_params.
4045
4046 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4047             Tobias Grosser  <grosser@fim.uni-passau.de>
4048
4049         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4050         add_condition_to_domain not GT_EXPR.
4051
4052 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4053
4054         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4055         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4056         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4057         upper_bound_assign to calculate unions.
4058         * gcc.dg/graphite/id-6.c: New.
4059
4060 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4061
4062         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4063         handle abnormal edges.
4064
4065 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4066
4067         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4068         (free_poly_bb): Also free poly_drs.
4069         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4070         (poly_dr): Polyhedron to Pointset_Powerset.
4071         (pdr_accessp_nb_subscripts): Same.
4072         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4073         poly_drs.
4074
4075 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4076
4077         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4078         names into more meaningful names.
4079
4080 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4081
4082         * gfortran.dg/graphite/interchange-1.c: New.
4083         * gfortran.dg/graphite/interchange-2.c: New.
4084
4085 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4086
4087         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4088         the reduction_list.
4089         * tree-parloops.c (rewrite_phi_with_iv): New.
4090         (rewrite_all_phi_nodes_with_iv): New.
4091         (canonicalize_loop_ivs): Call them.
4092
4093 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4094
4095         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4096         graphite_find_data_references_in_stmt.
4097         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4098         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4099
4100 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4101
4102         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4103
4104 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4105
4106         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4107         instead of bb_in_region.
4108         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4109         (build_sese_conditions): Use flag_bb_in_sese.
4110         * sese.c (register_bb_in_sese): Removed.
4111         (new_sese): Remove initialization of SESE_REGION_BBS.
4112         (free_sese): Do not free SESE_REGION_BBS.
4113         * sese.h (struct sese): Remove field region_basic_blocks.
4114         (SESE_REGION_BBS): Removed.
4115         (bb_in_sese_p): Implement in function of bb_in_region.
4116
4117 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4118
4119         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4120         loops.
4121
4122 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4123
4124         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4125         and EQ_EXPR.
4126         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4127         (add_condition_to_domain): New.
4128         (add_condition_to_pbb): New.
4129         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4130         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4131
4132 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4133
4134         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4135         ppl_Pointset_Powerset.
4136         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4137         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4138         (pbb_nb_loops): Same.
4139         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4140         add_conditions_to_domain): Same.
4141         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4142         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4143         ppl_const_Polyhedron_t.
4144         (ppl_print_powerset_matrix): New.
4145         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4146         ppl_print_powerset_matrix): New.
4147         (ppl_print_polyhedron_matrix): Updated.
4148
4149 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4150
4151         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4152
4153 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4154
4155         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4156         (print_iteration_domains, debug_iteration_domain,
4157         debug_iteration_domains): New.
4158         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4159         debug_iteration_domains): Declared.
4160         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4161         indenting.
4162
4163 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4164             Sebastian Pop  <sebastian.pop@amd.com>
4165
4166         * graphite-poly.h (print_iteration_domain): New.
4167         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4168         (build_sese_conditions_1, build_sese_conditions_after,
4169         build_sese_conditions_before): New.
4170         (build_sese_conditions): Rewritten.
4171
4172 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4173             Tobias Grosser  <grosser@fim.uni-passau.de>
4174
4175         Cleanup of code generation liveouts.
4176         * graphite-clast-to-gimple.c (translate_clast): Use a single
4177         rename_map instead of one per translated statement.
4178         Do not use SESE_LIVEOUT_RENAMES.
4179         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4180         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4181         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4182         phi node of a reduction: when a loop contains a reduction used outside
4183         the loop, there should be a scalar close phi node on the exit block.
4184         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4185         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4186         (free_sese): Do not free them.
4187         (sese_build_liveouts_use): Do not use them.
4188         (sese_build_liveouts_bb): Same.
4189         (sese_build_liveouts): Same.
4190         (sese_insert_phis_for_liveouts): Same.
4191         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4192         (defined_in_loop_p): New.
4193         (alive_after_loop): New.
4194         (close_phi_not_yet_inserted_p): New.
4195         (struct alep, alep_p): New.
4196         (add_loop_exit_phis): Remove from the rename_map all the names defined
4197         in the code generated loop.
4198         (insert_loop_close_phis): Traverse the rename_map passed to it.
4199         Don't use SESE_LIVEOUT_RENAMES.
4200         (default_liveout_before_guard): Renamed default_before_guard.
4201         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4202         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4203         (register_sese_liveout_renames): Removed.
4204         (copy_bb_and_scalar_dependences): Do not call it.
4205         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4206         reduction_list.
4207         (SESE_LIVEOUT): Removed.
4208         (SESE_LIVEOUT_RENAMES): Removed.
4209         (SESE_REDUCTION_LIST): Removed.
4210         (sese_build_liveouts): Removed.
4211         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4212         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4213         (insert_guard_phis): Same.
4214         (rename_map_elt): Declare a VEC of them.
4215         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4216         trees not pointers to trees.
4217
4218         Rewrite in canonical close SSA form:
4219         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4220         (limit_scops): Close the scop after the block containing the close phi
4221         nodes.
4222         (canonicalize_loop_closed_ssa): New.
4223         (canonicalize_loop_closed_ssa_form): New.
4224         (build_scops): Call canonicalize_loop_closed_ssa_form.
4225
4226         * graphite-sese-to-poly.c: Fix typos.
4227
4228 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4229
4230         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4231         Extended.
4232         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4233         (print_pbb): Add conditions.
4234
4235 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4236             Sebastian Pop  <sebastian.pop@amd.com>
4237
4238         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4239         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4240         (build_scop_bbs_1): New.
4241         (build_scop_bbs): Rewrite.
4242         * sese.h (bb_in_region): New.
4243
4244 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4245
4246         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4247         poly_drs vector.
4248         (print_scop): Style.
4249         * graphite-poly.h (poly_bb): Add drs vector.
4250         (PBB_DRS): Add accessor.
4251         * graphite-sese-to-poly.c (build_poly_dr): New.
4252         (build_pbb_drs, build_scop_drs): New.
4253         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4254
4255 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4256
4257         * tree-ssa-loop.c: Include forgotten toplev.h
4258
4259 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4260
4261         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4262         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4263         * gcc.dg/graphite/pr37928.c: Same
4264         * gcc.dg/graphite/pr38409.c: Same
4265         * gcc.dg/graphite/pr38498.c: Same
4266         * gcc.dg/graphite/pr38559.c: Same
4267         * gcc.dg/graphite/pr39335.c: Same
4268         * gcc.dg/graphite/pr39335_1.c: Same
4269         * gfortran.dg/graphite/block-2.f: Same
4270         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4271         with -floop-*.
4272
4273 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4274
4275         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4276         build_access_matrix, build_scop_data_accesses): Remove access function
4277         building. (We get a new version soon).
4278         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4279         * sese.h (nb_loops_around_loop_in_sese): Remove.
4280         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4281
4282 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4283             Sebastian Pop  <sebastian.pop@amd.com>
4284
4285         * graphite-scop-detection.c (struct scopdet_info): Rename last
4286         field to exit.
4287         (scopdet_basic_block_info, build_scops_1): Don't use
4288         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4289
4290 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4291             Sebastian Pop  <sebastian.pop@amd.com>
4292
4293         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4294         * sese.c (sese_build_liveouts_use): Renamed from
4295         sese_build_livein_liveouts_use. Remove liveins.
4296         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4297         Call sese_build_liveouts_use.
4298         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4299         Call sese_build_liveouts_bb.
4300         (new_sese, free_sese): Remove liveins.
4301         (sese_add_exit_phis_var): Deleted.
4302         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4303         directly.
4304         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4305
4306         * sese.h (sese): Remove num_ver and livein.
4307         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4308
4309 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4310
4311         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4312
4313 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4314
4315         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4316         (build_scop_scattering): Do not use compare_prefix_loops any more.
4317         (nb_common_loops): New.
4318
4319 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4320
4321         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4322         (register_old_and_new_names): Renamed set_rename.
4323
4324 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4325
4326         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4327         of the decl from the previous commit.
4328
4329 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4330
4331         * graphite-scop-detection.c (dot_scop): New.
4332         * graphite-scop-detection.h (dot_scop): Declared.
4333
4334 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4335
4336         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4337
4338 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4339
4340         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4341         condition at the end of the loop.
4342         * graphite.c (graphite_initialize, graphite_finalize): Print to
4343         dump_file the compiled function.
4344         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4345         of create_empty_loop_on_edge.
4346         (translate_clast): Update the code generation of loops for the new
4347         shape of loops.
4348         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4349
4350 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4351
4352         Reverted the patch from 2009-03-19.
4353
4354 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4355
4356         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4357         poly_drs vector.
4358         (print_scop): Style.
4359         * graphite-poly.h (poly_bb): Add drs vector.
4360         (PBB_DRS): Add accessor.
4361         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4362         (build_access_matrix_with_af, build_access_matrix,
4363         build_scop_data_accesses): Delete.
4364         (build_poly_dr): New.
4365         (build_pbb_drs, build_scop_drs): New.
4366         (build_poly_scop): call build_scop_drs.
4367
4368 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4369
4370         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4371         once per basic block.
4372
4373 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4374
4375         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4376         (graphite_can_represent_expr): Renamed from loop_affine_expr
4377         and enhanced.
4378         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4379         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4380         (scopdet_basic_block_info): Actually define entry_block.
4381         (stmt_simple_memref_p): Moved here from ...
4382
4383         * tree-data-ref.c (stmt_simple_memref_p): here.
4384         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4385
4386 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4387
4388         * gcc.dg/graphite/id-4.c: New.
4389
4390 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4391
4392         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4393         (register_old_and_new_names): Update the content of the map.
4394         When there was already a rename_map_elt in the map at that
4395         location, free it.
4396         (copy_bb_and_scalar_dependences): Do rename_variables after
4397         expand_scalar_variables.
4398         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4399         of the map.  When there was already a rename_map_elt in the
4400         map at that location, free it.
4401         (translate_clast): Pass the rename_map.  Do not initialize and free
4402         a rename_map per stmt_user.
4403         (gloog): Initialize and free one rename_map and pass it to
4404         translate_clast.
4405
4406 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4407
4408         * sese.c (expand_scalar_variables_stmt,
4409         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4410         parameter.
4411         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4412         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4413         the gimple_stmt_iterator of the statement to be expanded.
4414         * graphite-scop-detection.c (is_simple_operand): Do handle
4415         REALPART_EXPR.
4416
4417 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4418
4419         * graphite-scop-detection.c (is_simple_operand): Do not handle
4420         REALPART_EXPR.
4421         * gcc.dg/graphite/id-2.c: New.
4422
4423         * graphite-sese-to-poly.c (build_bb_loops,
4424         add_value_to_dim, scan_tree_for_params_right_scev,
4425         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4426         find_params_in_bb, build_loop_iteration_domains,
4427         add_conditions_to_domain): Remove subtract.
4428
4429 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4430
4431         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4432         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4433         pbb_loop_at_index -> gbb_loop_at_index.
4434         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4435         (debug_loop_vec): Delete.
4436         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4437         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4438         (PBB_LOOPS): Removed.
4439         (PBB_BLACK_BOX): Insert cast.
4440         (pbb_set_black_box): New setter.
4441         (pbb_loop_at_index, pbb_loop_index): Removed.
4442         (scop_set_region, scop_set_nb_params): New.
4443         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4444         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4445         (build_poly_scop): Use scop_set_nb_params.
4446         * sese.h (gimple_bb): Add LOOPS.
4447         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4448
4449 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4450
4451         Revert previous commit.
4452
4453 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4454
4455         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4456         (register_old_and_new_names): Update the content of the map.
4457         When there was already a rename_map_elt in the map at that
4458         location, free it.
4459         (copy_bb_and_scalar_dependences): Do rename_variables after
4460         expand_scalar_variables.
4461         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4462         of the map.  When there was already a rename_map_elt in the
4463         map at that location, free it.
4464         (translate_clast): Pass the rename_map.  Do not initialize and free
4465         a rename_map per stmt_user.
4466         (gloog): Initialize and free one rename_map and pass it to
4467         translate_clast.
4468
4469 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4470
4471         Remove forgotten line in revert.
4472
4473 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4474
4475         Revert previous commit.
4476
4477 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4478
4479         * sese.c (register_old_and_new_names): Update the content
4480         of the map.  When there was already a rename_map_elt in the
4481         map at that location, free it.
4482         (copy_bb_and_scalar_dependences): Do rename_variables after
4483         expand_scalar_variables.
4484         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4485         of the map.  When there was already a rename_map_elt in the
4486         map at that location, free it.
4487         (translate_clast): Pass the rename_map.  Do not initialize and free
4488         a rename_map per stmt_user.
4489         (gloog): Initialize and free one rename_map and pass it to
4490         translate_clast.
4491
4492 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4493
4494         * graphite-clast-to-gimple.c (translate_clast): context_loop
4495         is never NULL.
4496
4497 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4498             Sebastian Pop  <sebastian.pop@amd.com>
4499
4500         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4501         of the use of ppl_Polyhedron_map_space_dimensions.
4502
4503 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4504             Sebastian Pop  <sebastian.pop@amd.com>
4505
4506         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4507         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4508         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4509         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4510         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4511         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4512         pbb_nb_params): New.
4513         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4514         nb_loops_around_pbb): Adapt return types.
4515
4516 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4517
4518         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4519         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4520         graphite-scop-detection.o, graphite-poly.o): Add
4521         more headers.
4522
4523 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4524
4525         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4526         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4527         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4528
4529 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4530
4531         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4532         * gcc.dg/graphite/pr37828.c: Same.
4533         * gcc.dg/graphite/pr37684.c: Same.
4534         * gcc.dg/graphite/block-0.c: Same.
4535         * gcc.dg/graphite/block-1.c: Same.
4536         * gcc.dg/graphite/block-2.c: Same.
4537         * gcc.dg/graphite/block-3.c: Same.
4538         * gcc.dg/graphite/block-4.c: Same.
4539         * gcc.dg/graphite/block-5.c: Same.
4540         * gcc.dg/graphite/block-6.c: Same.
4541         * gfortran.dg/graphite/pr38083.f90: Same.
4542         * gfortran.dg/graphite/block-1.f90: Same.
4543         * gfortran.dg/graphite/block-3.f90: Same.
4544         * gfortran.dg/graphite/pr37852.f90: Same.
4545         * gfortran.dg/graphite/block-4.f90: Same.
4546         * gfortran.dg/graphite/pr37980.f90: Same.
4547         * gfortran.dg/graphite/pr38953.f90: Same.
4548         * gfortran.dg/graphite/pr37857.f90: Same.
4549         * opts.c: Remove -floop-block from -O2.
4550         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4551         -floop-strip-mine are used.
4552
4553 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4554             Sebastian Pop  <sebastian.pop@amd.com>
4555
4556         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4557         dimensions.
4558         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4559         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4560         strip_mine_profitable_p, is_interchange_valid,
4561         graphite_trans_bb_block, graphite_trans_loop_block,
4562         graphite_trans_scop_block): Temporary removed.
4563         (extend_scattering, unify_scattering_dimensions): New.
4564         (print_scattering_function, graphite_read_transforms):
4565         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4566         (graphite_generate_scattering_fns): Removed.
4567         (apply_poly_transforms): Cleanup.
4568         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4569         (schedule_to_scattering): Moved.
4570         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4571         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4572         (pbb_nb_scattering): New.
4573         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4574         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4575         Removed.
4576         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4577         shift_poly.
4578         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4579         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4580         -> PBB_TRANSFORMED_SCATTERING.
4581         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4582         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4583         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4584         (check_poly_representation): Do not return bool.
4585         (graphite_transform_loops): Reformat.
4586         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4587
4588 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4589
4590         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4591         debug_pbb_domain, debug_pbb, debug_scop): New.
4592         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4593         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4594
4595 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         PR middle-end/39335
4598         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4599         when the type precision of the induction variable should be
4600         larger than the type precision of nit.
4601         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4602         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4603         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4604
4605         * gcc.dg/graphite/pr39335_1.c: New.
4606         * gcc.dg/graphite/pr39335.c: New.
4607
4608 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4609
4610         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4611         SSA_NAMES not struct reduction_info.
4612
4613 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4614
4615         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4616
4617 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4618             Tobias Grosser  <grosser@fim.uni-passau.de>
4619
4620         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4621         (free_sese): Free SESE_REDUCTION_LIST.
4622         * sese.h (struct sese): Add field reduction_list.
4623         (SESE_REDUCTION_LIST): New.
4624         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4625         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4626
4627 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4628             Tobias Grosser  <grosser@fim.uni-passau.de>
4629
4630         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4631         of loop_p.
4632
4633 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4634             Tobias Grosser  <grosser@fim.uni-passau.de>
4635
4636         * tree-parloops.c (struct brli, build_reduction_list_info,
4637         analyze_reduction_list, gather_scalar_reductions): New.
4638         (loop_parallel_p): Build a reduction list containing only
4639         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4640         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4641         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4642         * tree-flow.h (gather_scalar_reductions): Declared.
4643
4644 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4645
4646         PR middle-end/39308
4647         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4648         number_of_iterations_exit from a gcc_assert.
4649
4650 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4651             Jan Sjodin  <jan.sjodin@amd.com>
4652
4653         * output.h (graphite_out_file, graphite_in_file): Declared.
4654         * toplev.c (graphite_out_file, graphite_in_file): New.
4655         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4656         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4657         Don't call schedule_to_scattering.
4658         * common.opt (fgraphite-write, fgraphite-read): New.
4659         * graphite-poly.c: Include output.h.
4660         (print_scattering_function, print_scattering_functions,
4661         debug_scattering_function, debug_scattering_functions,
4662         graphite_write_transforms, graphite_read_transforms,
4663         graphite_generate_scattering_fns): New.
4664         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4665         Call graphite_generate_scattering_fns, graphite_write_transforms,
4666         graphite_read_transforms.
4667         (new_poly_bb): Initialize PBB_SCATTERING.
4668         (free_poly_bb): Free PBB_SCATTERING.
4669         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4670         * graphite-poly.h (struct poly_bb): Add field scattering.
4671         (PBB_SCATTERING): New.
4672         (print_scattering_function, print_scattering_functions,
4673         debug_scattering_function, debug_scattering_functions): Declared.
4674         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4675         GMP values, not integers!
4676         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4677         ppl_read_polyhedron_matrix): New.
4678         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4679         debug_ppl_polyhedron_matrix,
4680         ppl_read_polyhedron_matrix): Declared.
4681         * Makefile.in (graphite-poly.o): Depends on output.h.
4682
4683 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4684             Tobias Grosser  <grosser@fim.uni-passau.de>
4685
4686         Revert this change:
4687         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4688         scalar evolutions in the scop_entry->loop_father.
4689
4690 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4691             Tobias Grosser  <grosser@fim.uni-passau.de>
4692
4693         * graphite.h (ref_nb_loops): Remove declaration.
4694         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4695         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4696         debug_gbb): Moved to sese.h.
4697         * sese.h: As said.
4698
4699 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4700             Tobias Grosser  <grosser@fim.uni-passau.de>
4701
4702         * graphite-data-ref.[ch]: Disable.
4703
4704 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4705             Tobias Grosser  <grosser@fim.uni-passau.de>
4706
4707         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4708         scalar evolutions in the scop_entry->loop_father.
4709
4710 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4711
4712         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4713         (graphite_cannot_represent_loop_niter): Renamed
4714         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4715         (limit_scops): build_sese_loop_nests does not return a bool.
4716         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4717         * sese.c (nb_reductions_in_loop): ... from here.
4718         (graphite_loop_normal_form): ... from here.
4719         (sese_record_loop): Does not fail, so does not return a bool.
4720         (build_sese_loop_nests): Same.
4721         * sese.h (build_sese_loop_nests): Update declaration.
4722         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4723         (build_graphite_loop_normal_form): New.
4724         (gloog): Call build_graphite_loop_normal_form.
4725         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4726         build_sese_loop_nests.
4727
4728         * gcc.dg/graphite/id-1.c: New.
4729
4730 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4731             Tobias Grosser  <grosser@fim.uni-passau.de>
4732
4733         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4734         The SCoP detection fix is sufficient.
4735
4736 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4737
4738         PR tree-optimization/39260
4739         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4740         the basic block contains a condition with a real type.
4741         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4742
4743         * gcc.dg/graphite/pr39260.c: New.
4744
4745 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * graphite-poly.c: Inlcude params.h.
4748         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4749         the size of a tile.
4750         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4751         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4752
4753 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4754             Tobias Grosser  <grosser@fim.uni-passau.de>
4755
4756         * graphite-scop-detection.c (dot_all_scops_1,
4757         dot_all_scops): Moved here.
4758         * graphite-scop-detection.h (dot_all_scops): Declared here.
4759         * graphite.c (graphite_initialize, graphite_finalize): New.
4760         (graphite_transform_loops): Cleaned up.
4761         * sese.c (debug_oldivs): Moved here.
4762         * graphite-poly.c (graphite_apply_transformations): Renamed
4763         apply_poly_transforms.
4764         (debug_loop_vec): Moved here.
4765         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4766         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4767         find_scop_parameters, build_scop_iteration_domain,
4768         add_conditions_to_constraints, build_scop_canonical_schedules,
4769         build_scop_data_accesses): Now static.
4770         (build_poly_scop, check_poly_representation): New.
4771
4772 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4773
4774         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4775         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4776         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4777         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4778         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4779         scan_tree_for_params, struct irp_data, dx_record_params,
4780         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4781         build_loop_iteration_domains, add_conditions_to_domain,
4782         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4783         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4784         build_sese_conditions, add_conditions_to_constraints,
4785         build_scop_iteration_domain, build_access_matrix_with_af,
4786         build_access_matrix,
4787         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4788
4789         * graphite-sese-to-poly.c: New.
4790         * graphite-sese-to-poly.h: New.
4791
4792         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4793
4794 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4795
4796         * graphite.c: Split graphite code generation to a new file.
4797         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4798         max_precision_type, clast_to_gcc_expression_red,
4799         clast_to_gcc_expression, gcc_type_for_clast_expr,
4800         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4801         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4802         graphite_create_new_guard, clast_get_body_of_loop,
4803         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4804         graphite_create_new_loop, build_iv_mapping, copy_renames,
4805         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4806         compute_cloog_iv_types, free_scattering, save_var_name,
4807         initialize_cloog_names, build_scop_context, build_cloog_prog,
4808         set_cloog_options, debug_clast_stmt, scop_to_clast,
4809         print_generated_program, debug_generated_program,
4810         gloog): Moved to graphite-clast-to-gimple.c.
4811
4812         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4813
4814         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4815         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4816         loop_iv_stack_pop, loop_iv_stack_get_iv,
4817         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4818         free_loop_iv_stack, loop_iv_stack_remove_constants,
4819         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4820         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4821         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4822         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4823         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4824         get_vdef_before_sese, sese_adjust_vphi,
4825         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4826         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4827         is_iv, expand_scalar_variables_ssa_name,
4828         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4829         expand_scalar_variables, rename_variables, remove_condition,
4830         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4831         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4832         default_liveout_before_guard, add_guard_exit_phis,
4833         insert_guard_phis, register_old_and_new_names,
4834         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4835         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4836         if_region_set_false_region, create_if_region_on_edge,
4837         move_sese_in_condition): Moved to sese.c.
4838
4839         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4840         if_region_exit, if_region_get_condition_block,
4841         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4842         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4843         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4844         ivtype_map_elt, new_ivtype_map_elt,
4845         recompute_all_dominators): Moved to sese.h.
4846
4847         * graphite-clast-to-gimple.c: New.
4848         * graphite-clast-to-gimple.h: New.
4849         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4850         * sese.c: Modified as said above.
4851         * sese.h: Same.
4852
4853 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4854
4855         * graphite.c: Split scop detection to a new file.
4856         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4857         move_sd_regions, loop_affine_expr, exclude_component_ref,
4858         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4859         graphite_cannot_represent_loop_niter, struct scopdet_info,
4860         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4861         find_single_entry_edge, find_single_exit_edge,
4862         create_single_entry_edge, sd_region_without_exit,
4863         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4864         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4865         Moved to graphite-scop-detection.c.
4866
4867         * graphite-scop-detection.c: New.
4868         * graphite-scop-detection.h: New.
4869         * Makefile.in: Add new rule for graphite-scop-detection.o.
4870
4871         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4872         tree-scalar-evolution.h.
4873         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4874         build_sese_loop_nests): Moved here from graphite.c.
4875         (param_index): Renamed parameter_index_in_region.
4876
4877 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4878             Sebastian Pop  <sebastian.pop@amd.com>
4879
4880         * gcc.dg/graphite/block-0.c: Expected to fail now.
4881         * gcc.dg/graphite/block-1.c: Same.
4882         * gcc.dg/graphite/block-5.c: Same.
4883         * gcc.dg/graphite/block-6.c: Same.
4884
4885 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4886             Sebastian Pop  <sebastian.pop@amd.com>
4887
4888         * graphite.h: Separate from graphite_bb_p the polyhedral
4889         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4890         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4891         graphite-data-ref.h.
4892         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4893         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4894         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4895         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4896         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4897         scop_nb_params): Moved to graphite-poly.h.
4898         * graphite-data-ref.c: Same.
4899         * graphite-data-ref.h: New.
4900         * graphite.c: Same.
4901         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4902         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4903         is_interchange_valid, graphite_trans_bb_block,
4904         graphite_trans_loop_block, scop_max_loop_depth,
4905         graphite_trans_scop_block, graphite_apply_transformations,
4906         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4907         graphite-poly.c.
4908         * graphite-poly.h: New.
4909         * graphite-poly.c: New.
4910         * Makefile.in (OBJS-common): Add graphite-poly.o.
4911         (graphite-poly.o): New rule.
4912         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4913         (DR_SCOP): Removed.
4914
4915 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4916             Tobias Grosser  <grosser@fim.uni-passau.de>
4917
4918         * graphite.c: Replace gb -> gbb.
4919         * graphite.h: Same.
4920         * graphite-data-ref.c: Same.
4921
4922 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4923             Tobias Grosser  <grosser@fim.uni-passau.de>
4924
4925         * Makefile.in (OBJS-commmon): Add sese.o.
4926         (sese.o): New.
4927         (graphite.o): Add sese.h.
4928         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4929         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4930         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4931         Move to sese.
4932         (block_before_scop): Add missing return.
4933         (new_scop, free_scop): Remove SESE data structures.
4934         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4935         find_scop_parameters, build_loop_iteration_domains,
4936         add_conditions_to_domain, register_scop_liveout_renames,
4937         copy_bb_and_scalar_dependences): Scop -> SESE.
4938
4939         (add_conditions_to_domain): SCoP -> SESE and remove check
4940         (scop_contains_non_iv_scalar_phi_nodes): New.
4941         (build_scop_conditions_1, build_scop_conditions): Remove check for
4942         non iv scalar phi nodes.
4943         (print_scop_statistics): New.
4944         (graphite_transform_loops): Cleanup.
4945
4946         * graphite.h: Move to sese & cleanup.
4947         * sese.c: New.
4948         * sese.h: New.
4949
4950 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4951             Tobias Grosser  <grosser@fim.uni-passau.de>
4952
4953         * graphite.c (build_scop_conditions_1): Conditions are only
4954         at the end of a basic block.
4955
4956 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4957             Tobias Grosser  <grosser@fim.uni-passau>
4958
4959         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4960         field.
4961         (GBB_ALPHA): Removed.
4962
4963 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4964             Tobias Grosser  <grosser@fim.uni-passau.de>
4965
4966         * graphite-data-ref.c (graphite_test_dependence): Don't use
4967         GBB_DYNAMIC_SCHEDULE.
4968         * graphite.c (new_graphite_bb): Same.
4969         (free_graphite_bb): Same.
4970         (build_scop_dynamic_schedules): Removed.
4971         (graphite_transform_loops): Don't call it.
4972         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4973         (GBB_DYNAMIC_SCHEDULE): Removed.
4974
4975 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4976             Tobias Grosser  <grosser@fim.uni-passau.de>
4977
4978         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4979         (print_graphite_bb): Same.
4980         (build_cloog_prog): Same.
4981
4982 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4983             Tobias Grosser  <grosser@fim.uni-passau.de>
4984
4985         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4986
4987 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4988             Tobias Grosser  <grosser@fim.uni-passau.de>
4989
4990         * graphite.c (build_scop_context): Don't use CloogMatrix.
4991         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4992         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4993
4994 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4995             Tobias Grosser  <grosser@fim.uni-passau.de>
4996
4997         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4998         liveout_renames, add_params fields...
4999         (struct sese): ... here.
5000         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5001         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5002
5003 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5004             Tobias Grosser  <grosser@fim.uni-passau.de>
5005
5006         * graphite.c (print_scop): Do not print the CLooG program.
5007         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5008         build_cloog_prog, gloog): Don't use SCOP_PROG.
5009         (find_transform): Renamed scop_to_clast.
5010         (print_generated_program, debug_generated_program): New.
5011         (graphite_transform_loops): Adapt to new interface.
5012         * graphite.h (struct scop): Remove program field.
5013         (SCOP_PROG): Removed.
5014         (print_generated_program, debug_generated_program): Declared.
5015
5016 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5017
5018         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5019         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5020         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5021         free_graphite_bb, build_scop_canonical_schedules,
5022         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5023         schedules are now represented using a ppl_Linear_Expression_t.
5024         * graphite.h (struct graphite_bb): Same.
5025         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5026         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5027
5028 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5029
5030         * graphite.c: Free local memory.
5031         * graphite-ppl.c: Same.
5032
5033 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5034
5035         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5036         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5037         swap_constraint_variables, scale_constraint_variable): Removed.
5038         (graphite_trans_bb_strip_mine): Remove pong.
5039         * graphite-ppl.c: Include missing header files.
5040         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5041         * graphite-ppl.h (ppl_strip_loop): Declared.
5042         * Makefile.in (graphite-ppl.o): Adjust dependences.
5043
5044 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5045
5046         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5047         (build_scop_iteration_domain): Same.
5048
5049 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5050
5051         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5052         ping pong.
5053         (add_value_to_dim, scan_tree_for_params_right_scev,
5054         scan_tree_for_params_int): New.
5055         * graphite-ppl.c (oppose_constraint): New.
5056         (insert_constraint_into_matrix): Implement missing cases.
5057         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5058
5059 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5060
5061         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5062         use ppl_move_dimension.
5063
5064 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5065
5066         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5067         * graphite.c: Same.
5068         * graphite.h: Same.
5069         * graphite-ppl.c: Same.
5070         * graphite-ppl.h: Same.
5071
5072 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5073
5074         Revert last 3 commits.
5075
5076 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5077
5078         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5079         ping pong.
5080         (add_value_to_dim, scan_tree_for_params_right_scev,
5081         scan_tree_for_params_int): New.
5082         * graphite-ppl.c (oppose_constraint): New.
5083         (insert_constraint_into_matrix): Implement missing cases.
5084         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5085
5086 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5087
5088         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5089
5090 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5091             Tobias Grosser  <grosser@fim.uni-passau.de>
5092
5093         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5094         use ppl_move_dimension.
5095         * graphite-ppl.c (ppl_move_dimension): New.
5096         * graphite-ppl.h (ppl_move_dimension): Declared.
5097
5098 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5099
5100         * graphite.c: Do not include cloog/cloog.h.
5101         (print_graphite_bb): Remove ping pong, call PPL print function.
5102
5103 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5104
5105         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5106         (graphite.o): Add dependence on graphite-ppl.h.
5107         (graphite-ppl.o): New.
5108         (graphite-data-ref.c): Ping pong between PPL data structures
5109         and matrices.
5110         * graphite-ppl.c: New.
5111         * graphite-ppl.h: New.
5112         * graphite.c: Include graphite-ppl.h.
5113         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5114         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5115         Ping pong between PPL data structures and matrices.
5116         (new_graphite_bb): Create a PPL constraint system.
5117         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5118         (build_loop_iteration_domains): Use PPL functions.
5119         * graphite.h: Include graphite-ppl.h.  Fix comments.
5120         (graphite_bb): Use a ppl_Constraint_System_t instead of
5121         CloogMatrix for representing the domain.
5122         (scop): Remove static_schedule.
5123         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5124
5125 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5126
5127         * graphite.c: Fix some comments.
5128
5129 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5130
5131         PR middle-end/38953
5132         * graphite.c (if_region_set_false_region): After moving a region
5133         in the false branch of a condition, remove the empty dummy
5134         basic block.
5135         (gloog): Remove wrong fix for PR38953.
5136
5137 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5138
5139         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5140         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5141         register_bb_in_sese, new_sese, free_sese): Moved.
5142         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5143         outermost_loop_in_scop, build_scop_iteration_domain,
5144         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5145         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5146         Use loop_in_sese_p instead of loop_in_scop_p.
5147         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5148         (free_scop): Do not free SCOP_BBS_B.
5149         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5150         ref_nb_loops): Moved here...
5151         * graphite.h (ref_nb_loops): ... from here.
5152         (struct scop): Remove bbs_b bitmap.
5153         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5154         * gcc.dg/graphite/scop-19.c: New
5155
5156 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5157
5158         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5159         detection.
5160
5161 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5162
5163         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5164         eq_loop_to_cloog_loop): Remove.
5165         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5166         * graphite.h (struct scop): Remove loop2cloog_loop.
5167         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5168
5169 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5170
5171         * opts.c (decode_options): Only add graphite options to O2
5172         if we compile with graphite enabled.
5173
5174 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5175
5176         * Merge from mainline (r143163:143684).
5177
5178 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5179
5180         * graphite.c (debug_value): Removed.
5181         * graphite.h (debug_value): Removed.
5182
5183 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5184
5185         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5186         after graphite: pass_copy_prop does not maintain a proper loop closed
5187         SSA form.  pass_copy_prop should be fixed.
5188
5189 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5190
5191         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5192
5193 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5194
5195         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5196         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5197         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5198         changed the CFG.
5199
5200 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5201
5202         * graphite.c (gloog): Return true when code gen succeeded.
5203         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5204         the code of the function did not changed.  After cleanup_tree_cfg
5205         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5206         form.
5207
5208 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5209
5210         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5211         gimple_call_lhs is NULL.
5212
5213 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5214             Tobias Grosser  <tobi.grosser@amd.com>
5215
5216         * graphite.c (graphite_trans_scop_block): Do not block single
5217         nested loops.
5218
5219 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5220             Tobias Grosser  <tobi.grosser@amd.com>
5221
5222         * graphite.c (build_scop_canonical_schedules): Start schedules at
5223         zero.
5224
5225 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5226             Tobias Grosser  <tobi.grosser@amd.com>
5227
5228         * graphite.c (compare_prefix_loops): New.
5229         (build_scop_canonical_schedules): Rewritten.
5230         (graphite_transform_loops): Move build_scop_canonical_schedules
5231         after build_scop_iteration_domain.
5232
5233 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5234             Tobias Grosser  <tobi.grosser@amd.com>
5235
5236         * graphite.c (add_conditions_to_domain): Add the loops to
5237         the dimension of the iteration domain.  Do copy the domain
5238         only when it exists.
5239         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5240         (add_conditions_to_constraints): New.
5241         (can_generate_code_stmt, can_generate_code): Removed.
5242         (gloog): Do not call can_generate_code.
5243         (graphite_transform_loops): Call add_conditions_to_constraints
5244         after building the iteration domain.
5245
5246 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5247             Tobias Grosser  <tobi.grosser@amd.com>
5248             Jan Sjodin  <jan.sjodin@amd.com>
5249
5250         * graphite.c (scan_tree_for_params): On substractions negate
5251         all the coefficients of the term.
5252         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5253         of more than two operands.
5254         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5255         (get_vdef_before_scop): Handle also the case of default definitions.
5256
5257 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5258
5259         PR middle-end/38431
5260         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5261         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5262         (gloog): Do not call cleanup_tree_cfg.
5263         (graphite_transform_loops): Call cleanup_tree_cfg after all
5264         scops have been code generated.
5265
5266 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5267
5268         * passes.c (init_optimization_passes): Schedule after
5269         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5270
5271 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5272
5273         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5274         Fix comment.
5275         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5276         Set the type of an expression to the type of its assign statement.
5277         (expand_scalar_variables_expr):  Do not pass loop_p.
5278         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5279         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5280         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5281
5282 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5283
5284         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5285         an expression to the gimple_expr_type of its assign statement.
5286         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5287         or tcc_declaration.
5288
5289 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5290
5291         PR tree-optimization/38786
5292         * gcc.dg/graphite/pr38786.c: New.
5293         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5294         the SSA_NAME case of expand_scalar_variables_expr.
5295         (expand_scalar_variables_expr): Also gather the scalar computation
5296         used to index the memory access.
5297         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5298         the gimple_stmt_iterator where it inserts new code.
5299
5300 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5301
5302         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5303
5304 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5305
5306         * opts.c (decode_options): Enable flag_graphite_identity and
5307         flag_loop_block in -O2 and above.
5308
5309 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5310
5311         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5312         Fix merge problem: replace with the file from trunk.
5313
5314 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5315
5316         * Merge from mainline (r141727:143163).
5317
5318 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5319             Jan Sjodin  <jan.sjodin@amd.com>
5320
5321         PR tree-optimization/38559
5322         * gcc.dg/graphite/pr38559.c: New.
5323
5324         * graphite.c (debug_value, copy_constraint,
5325         swap_constraint_variables, scale_constraint_variable, ): New.
5326         (get_lower_bound, get_upper_bound): Removed.
5327         (graphite_trans_bb_strip_mine): Clean up this code that works
5328         only for constant number of iterations.  Fully copy upper and
5329         lower bound constraints, not only the constant part of them.
5330         * graphite.h (debug_value): Declared.
5331
5332 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5333
5334         PR tree-optimization/38492
5335         PR tree-optimization/38498
5336         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5337         * tree-chrec.h (scev_is_linear_expression): Declared.
5338         * graphite.c (graphite_cannot_represent_loop_niter): New.
5339         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5340         (graphite_loop_normal_form): Use gcc_assert.
5341         (scan_tree_for_params): Use CASE_CONVERT.
5342         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5343         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5344         Use gcc_assert.  Discard scops that contain unhandled cases.
5345         (build_scop_conditions): Return a boolean status for unhandled cases.
5346         (strip_mine_profitable_p): Print the loop number, not its depth.
5347         (is_interchange_valid): Pass the depth of the loop nest, don't
5348         recompute it wrongly.
5349         (graphite_trans_bb_block): Same.
5350         (graphite_trans_bb_block): Print tentative of loop blocking.
5351         (graphite_trans_scop_block): Do not print that the loop has been
5352         blocked.
5353         (graphite_transform_loops): Do not handle scops that contain condition
5354         scalar phi nodes.
5355
5356         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5357         in trunk.
5358         * gcc.dg/graphite/block-0.c: Update test.
5359         * gcc.dg/graphite/block-1.c: Same.
5360         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5361         blocking.
5362         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5363         * gcc.dg/graphite/block-3.c: New.
5364         * gcc.dg/graphite/pr38498.c: New.
5365
5366 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5367
5368         PR tree-optimization/38510
5369         * gcc.dg/graphite/pr38510.c: New.
5370         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5371           (translate_clast): Call recompute_all_dominators before
5372           graphite_verify.
5373           (gloog): Call recompute_all_dominators before graphite_verify.
5374
5375 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5376
5377         PR tree-optimization/38492
5378         * graphite.c (rename_map_elt, debug_rename_elt,
5379         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5380         rename_map_elt_info, eq_rename_map_elts,
5381         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5382         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5383         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5384         (sese_build_livein_liveouts): New.
5385         (new_sese, free_sese): New.
5386         (new_scop): Call new_sese.
5387         (free_scop): Call free_sese.
5388         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5389         (register_old_new_names): Renamed register_old_and_new_names.
5390         (register_scop_liveout_renames, add_loop_exit_phis,
5391         insert_loop_close_phis, struct igp,
5392         default_liveout_before_guard, add_guard_exit_phis,
5393         insert_guard_phis, copy_renames): New.
5394         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5395         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5396         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5397         (scop_adjust_phis_for_liveouts): New.
5398         (gloog): Call scop_adjust_phis_for_liveouts.
5399
5400         * graphite.h (struct sese): Documented.  Added fields liveout,
5401         num_ver and livein.
5402         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5403         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5404         (struct scop): Added field liveout_renames.
5405         (SCOP_LIVEOUT_RENAMES): New.
5406
5407 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5408
5409         PR tree-optimization/38409
5410         * gcc.dg/graphite/pr38409.c: New.
5411         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5412
5413 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5414
5415         * graphite.c (gcc_type_for_cloog_iv): By default return
5416         integer_type_node.
5417         (graphite_create_new_loop): Don't fold_convert the already
5418         fold_convert-ed expression.
5419
5420 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5421
5422         PR tree-optimization/38446
5423         * gcc.dg/graphite/pr38446.c: New.
5424         * graphite.c (register_bb_in_sese): New.
5425         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5426         looking at the bbs in the region.
5427         * graphite.h (sese): Add region_basic_blocks pointer set to
5428         structure and initialize at the time of defining new scop.
5429
5430 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5431
5432         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5433         (find_params_in_bb): Do not free data refs.
5434         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5435
5436 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5437
5438         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5439         * gcc.dg/graphite/scop-17.c: Same.
5440         * gcc.dg/graphite/block-5.c: New.
5441         * gcc.dg/graphite/block-6.c: New.
5442         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5443         * gcc.dg/graphite/pr37684.c: Same.
5444         * gcc.dg/graphite/block-2.c: Same.
5445
5446         * graphite.c (struct ivtype_map_elt): New.
5447         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5448         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5449         gcc_type_for_cloog_iv): New.
5450         (loop_iv_stack_patch_for_consts): Use the type of the induction
5451         variable from the original loop, except for the automatically
5452         generated loops, i.e., in the case of a strip-mined loop, in
5453         which case there is no original loop: in that case just use
5454         integer_type_node.
5455         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5456         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5457         (clast_name_to_gcc): Accept params to be NULL.
5458         (clast_to_gcc_expression): Take an extra parameter for the type.
5459         Convert to that type all the expressions built by this function.
5460         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5461         (graphite_translate_clast_equation): Compute the type of the
5462         clast_equation before translating its LHS and RHS.
5463         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5464         (graphite_create_new_loop): Compute the type of the induction
5465         variable before translating the lower and upper bounds and before
5466         creating the induction variable.
5467         (rename_variables_from_edge, rename_phis_end_scop): New.
5468         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5469         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5470         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5471         compute_cloog_iv_types): New.
5472         (gloog): Call compute_cloog_iv_types before starting the
5473         translation of the clast.
5474
5475         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5476         (GBB_CLOOG_IV_TYPES): New.
5477         (debug_ivtype_map): Declared.
5478         (oldiv_for_loop): New.
5479
5480 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5481
5482         PR middle-end/38459
5483         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5484         (param_index): Assert if parameter is not know after parameter
5485         detection.
5486         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5487         (find_scop_parameters): Mark, that we have finished parameter
5488         detection.
5489         (graphite_transform_loops): Move condition detection before parameter
5490         detection.
5491         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5492         * gfortran.dg/graphite/pr38459.f90: New.
5493
5494 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5495
5496         * graphite.c (graphite_transform_loops): Always call find_transform ()
5497         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5498         generate code.
5499
5500 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5501
5502         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5503         (print_scop): Ditto.
5504
5505 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5506
5507         PR middle-end/38084
5508         Fix gfortran.dg/graphite/id-3.f90.
5509         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5510         regions more than once.
5511
5512 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5513
5514         Fix gfortran.dg/graphite/id-4.f90.
5515         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5516         when not needed.
5517
5518 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5519
5520         Fix gfortran.dg/graphite/id-1.f90.
5521         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5522         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5523         (max_precision_type): New.
5524         (value_clast): Removed.
5525         (clast_to_gcc_expression): Be more careful to types of expressions.
5526         Use max_precision_type and update use of gmp_cst_to_tree.
5527         (graphite_translate_clast_equation): Use max_precision_type.
5528         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5529         use the type of the condition.
5530         (graphite_create_new_loop): Do not use integer_type_node, use the
5531         max_precision_type of lb and ub.
5532
5533 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5534
5535         * graphite.c (build_scops_1): Initialize open_scop.exit
5536         and sinfo.last.
5537
5538 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5539
5540         * gcc.dg/graphite/pr38084.c: New.
5541         * gfortran.dg/graphite/id-1.f90: New.
5542         * gfortran.dg/graphite/id-2.f90: New.
5543         * gfortran.dg/graphite/id-3.f90: New.
5544         * gfortran.dg/graphite/id-4.f90: New.
5545         * gfortran.dg/graphite/pr37857.f90: New.
5546
5547 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5548             Jan Sjodin  <jan.sjodin@amd.com>
5549             Harsha Jagasia  <harsha.jagasia@amd.com>
5550
5551         PR middle-end/37852
5552         PR middle-end/37883
5553         PR middle-end/37928
5554         PR middle-end/37980
5555         PR middle-end/38038
5556         PR middle-end/38039
5557         PR middle-end/38073
5558         PR middle-end/38083
5559         PR middle-end/38125
5560
5561         * gcc.dg/graphite/pr38073.c: New.
5562         * gcc.dg/graphite/pr37928.c: New.
5563         * gcc.dg/graphite/pr37883.c: New.
5564         * gcc.dg/graphite/pr38125.c: New.
5565         * gfortran.dg/graphite/pr38083.f90: New.
5566         * gfortran.dg/graphite/pr37852.f90: New.
5567         * gfortran.dg/graphite/pr37980.f90: New.
5568
5569         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5570         the number of detected scops.  Copy exact same test for loop
5571         blocking...
5572         * gcc.dg/graphite/block-1.c: Fix the number of expected
5573         loops to be blocked as reductions are not handled.
5574         * gcc.dg/graphite/block-4.c: ...here.  New.
5575
5576         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5577         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5578         ...here.
5579         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5580         * Makefile.in (graphite.o): Depend on value-prof.h.
5581         (graphite.o-warn): Removed -Wno-error.
5582         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5583         to be a NULL pointer.  Call update_stmt.  Return the newly created
5584         cannonical induction variable.
5585
5586         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5587
5588         * graphite.c: Reimplement the code generation from graphite to gimple.
5589         Include value-prof.h.
5590         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5591         (get_old_iv_from_ssa_name): Removed.
5592         (graphite_stmt_p): New.
5593         (new_graphite_bb): Test for useful statements before building a
5594         graphite statement for the basic block.
5595         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5596         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5597         reason.
5598         (recompute_all_dominators, graphite_verify,
5599         nb_reductions_in_loop, graphite_loop_normal_form): New.
5600         (scop_record_loop): Call graphite_loop_normal_form.
5601         (build_scop_loop_nests): Iterate over all the blocks of the
5602         function instead of relying on the incomplete information from
5603         SCOP_BBS.  Return the success of the operation.
5604         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5605         (add_bb_domains): Removed.
5606         (build_loop_iteration_domains): Don't call add_bb_domains.
5607         Add the iteration domain only to the basic blocks that have been
5608         translated to graphite.
5609         (build_scop_conditions_1): Add constraints only if the basic
5610         block have been translated to graphite.
5611         (build_scop_data_accesses): Completely disabled until data
5612         dependence is correctly implemented.
5613         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5614         (remove_all_edges_1, remove_all_edges): Removed.
5615         (get_new_name_from_old_name): New.
5616         (graphite_rename_variables_in_stmt): Renamed
5617         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5618         Use replace_exp and update_stmt.
5619         (is_old_iv): Renamed is_iv.
5620         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5621         Use replace_exp and update_stmt.
5622         (expand_scalar_variables_expr): Same.  Use the map to get the
5623         new names for the renaming of induction variables and for the
5624         renaming of variables after a basic block has been copied.
5625         (expand_scalar_variables): Same.
5626         (graphite_rename_variables): Renamed rename_variables.
5627         (move_phi_nodes): Removed.
5628         (get_false_edge_from_guard_bb): New.
5629         (build_iv_mapping): Do not insert the induction variable of a
5630         loop in the renaming iv map if the basic block does not belong
5631         to that loop.
5632         (register_old_new_names, graphite_copy_stmts_from_block,
5633         copy_bb_and_scalar_dependences): New.
5634         (translate_clast): Heavily reimplemented: copy basic blocks,
5635         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5636         At each translation step call graphite_verify ensuring the
5637         consistency of the SSA, loops and dominators information.
5638         (collect_virtual_phis, find_vdef_for_var_in_bb,
5639         find_vdef_for_var_1, find_vdef_for_var,
5640         patch_phis_for_virtual_defs): Removed huge hack.
5641         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5642         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5643         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5644         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5645         if_region_get_condition_block, if_region_set_false_region,
5646         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5647         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5648         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5649         rewrite_into_sese_closed_ssa): New.
5650         (gloog): Remove dead code.  Early return if code cannot be
5651         generated.  Call cleanup_tree_cfg once the scop has been code
5652         generated.
5653         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5654         block loops with less than two loops.
5655         (graphite_apply_transformations): Remove the call to
5656         scop_remove_ignoreable_gbbs.
5657         (limit_scops): When build_scop_loop_nests fails, continue on
5658         the next scop.  Fix open_scop.entry.
5659         (graphite_transform_loops): Call recompute_all_dominators: force the
5660         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5661         Call initialize_original_copy_tables and free_original_copy_tables
5662         to be able to copy basic blocks during code generation.
5663         When build_scop_loop_nests fails, continue on next scop.
5664         (value_clast): New union.
5665         (clast_to_gcc_expression): Fix type cast warning.
5666
5667 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5668
5669         * Merge from mainline (r140838:141727).
5670
5671 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5672
5673         PR middle-end/37833
5674
5675         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5676
5677 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5678
5679         PR middle-end/37943
5680
5681         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5682         exits and conditions.
5683         * gcc.dg/graphite/pr37943.c: New.
5684
5685 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5686
5687         PR middle-end/37886
5688         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5689
5690 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5691
5692         * doc/invoke.texi: Fix spaces.
5693
5694 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5695
5696         PR tree-optimization/37891
5697         Reverted last commit.
5698         * graphite.c (create_single_entry_edge): Set
5699         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5700
5701 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5702             Mitul Thakkar  <mitul.thakkar@amd.com>
5703
5704         * graphite.c (create_single_entry_edge): Set
5705         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5706
5707 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5708
5709         * doc/invoke.texi: Add -fgraphite-identity.
5710         * graphite.c (graphite_apply_transformations): Check for
5711         -fgraphite-identity.
5712         * toplev.c (process_options): Add flag_graphite_identity.
5713         * tree-ssa-loop.c: Add flag_graphite_identity.
5714
5715 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5716
5717         Undo changes from 2008-10-02:
5718         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5719         operand type when copying the operand to a variable of different type.
5720         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5721         with the IV name after increment.
5722
5723 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5724             Harsha Jagasia  <harsha.jagasia@amd.com>
5725
5726         PR tree-optimization/37828
5727         * gcc.dg/graphite/pr37828.c: New.
5728         * graphite.c (graphite_trans_loop_block): Do not loop block
5729         single nested loops.
5730
5731 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5732             Sebastian Pop  <sebastian.pop@amd.com>
5733
5734         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5735         rename_map_elt_info, eq_rename_map_elts): New.
5736         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5737         (expand_scalar_variables_expr): Change parameters.
5738         (expand_scalar_variables_stmt): Same.
5739         (expand_scalar_variables): Same.
5740         (graphite_rename_ivs): Rename graphite_rename_variables.
5741         (build_iv_mapping): New.
5742         (translate_clast): Call build_iv_mapping.
5743         * graphite.h (gbb_p): New name.
5744
5745 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5746
5747         PR tree-optimization/37684
5748         * gcc.dg/graphite/pr37684.c: New.
5749         * graphite.c (exclude_component_ref): New.
5750         (is_simple_operand): Call exclude_component_ref.
5751
5752 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5753             Harsha Jagasia  <harsha.jagasia@amd.com>
5754
5755         PR tree-optimization/37485
5756         * gcc.dg/graphite/block-2.c: New
5757         * graphite.c (gmp_cst_to_tree): Moved.
5758         (iv_stack_entry_is_constant): New.
5759         (iv_stack_entry_is_iv): New.
5760         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5761         (loop_iv_stack_insert_constant): New.
5762         (loop_iv_stack_pop): Use new datatpype.
5763         (loop_iv_stack_get_iv): Same.
5764         (loop_iv_stack_get_iv_from_name): Same.
5765         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5766         (loop_iv_stack_patch_for_consts): New.
5767         (loop_iv_stack_remove_constants): New.
5768         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5769         (translate_clast): Call loop_iv_stack_patch_for_consts and
5770         loop_iv_stack_remove_constants.
5771         (gloog): Use new datatype.  Redirect construction edge to end
5772         block to avoid accidental deletion.
5773         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5774         iv stack entry.
5775         (union iv_stack_entry_data): New.  Data in iv stack entry.
5776         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5777
5778 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5779
5780         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5781         operand type when copying the operand to a variable of different type.
5782
5783 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5784
5785         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5786         with the IV name after increment.
5787
5788 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5789
5790         * Merge from mainline (r140164:140838).
5791
5792 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5793
5794         * graphite-data-ref.c: New.
5795         * graphite.c (print_scop): Also dump the dependence graph.
5796         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5797         (new_scop): Initialize SCOP_DEP_GRAPH.
5798         (build_scop_dynamic_schedules): New.
5799         (build_access_matrix_with_af): Fixed column numbering.
5800         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5801         * graphite.h: Add ifndef/define guards against multiple inclusion.
5802         (struct scop): Add dep_graph field.
5803         (SCOP_DEP_GRAPH): Defined.
5804         (ref_nb_loops): Fixed and moved to other position.
5805         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5806         (nb_loops_around_loop_in_scop): New.
5807         (graphite_dump_dependence_graph): Declared.
5808         (graphite_build_rdg_all_levels): Declared.
5809         (graphite_test_dependence): Declared.
5810         * Makefile.in (graphite-data-ref.o): New target.
5811
5812 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5813
5814         * Merge from mainline (139870:140164).
5815
5816 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5817
5818         * Merge from mainline (138275:139870).
5819         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5820         the commits from trunk broke the niter detection.
5821
5822 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5823
5824         * graphite.c: Add more documentation.  Fix formatting.
5825         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5826         loop_iv_stack_debug): Moved...
5827         (schedule_to_scattering): Move before use.
5828         (dot_all_scops): Include in "#if 0" the code for system
5829         call dotty.
5830
5831         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5832         loop_iv_stack_debug): ...here.
5833
5834 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5835
5836         * tree-phinodes.c (make_phi_node): Extern.
5837         (add_phi_node_to_bb): New.
5838         (create_phi_node): Call add_phi_node_to_bb.
5839         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5840         (remove_statement): Handle case where stored phi was updated
5841         and is no longer the same.
5842         * graphite.c (is_parameter): New.
5843         (is_old_iv): New.
5844         (expand_scalar_variables_expr): New.
5845         (expand_scalar_variables_stmt): New.
5846         (expand_scalar_variables): New.
5847         (move_phi_nodes): Create new phi instead of moving old one.
5848         (translate_clast): Call expand_scalar_variables.
5849         (find_vdef_for_var_in_bb): Also scan regular definitions.
5850         (skip_phi_defs): New.
5851         (collect_scop_exit_phi_args): New.
5852         (patch_scop_exit_phi_args): New.
5853         (gloog): Patch phis after scop.
5854         * tree-flow.h: (add_phi_node_to_bb): Declared.
5855         (make_phi_node): Declared.
5856
5857 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5858
5859         * graphite.c (end_scop): Split the entry of the scop when it
5860         is the header of the loop in which the scop is ending.
5861         (build_scops_1, limit_scops): Update uses of end_scop.
5862
5863 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5864
5865         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5866         SCOP_ENTRY or SCOP_EXIT.
5867
5868 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5869
5870         * graphite.c (get_construction_edge): Removed.
5871         (gloog): Construction edge is the scop entry edge.
5872
5873 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5874
5875         * graphite.c (can_generate_for_scop): Removed.
5876         (gloog): Do not call it.
5877
5878 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5879
5880         * graphite.c (new_scop): Entry of a scop is an edge.
5881         Initialize SESE region.
5882         (free_scop): Free SESE region.
5883         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5884         (split_difficult_bb): New, split from end_scop.
5885         (end_scop): Exit of a scop is an edge.
5886         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5887         not automatically updated and thus is always wrong.
5888         * graphite.h (struct sese): New.
5889         (SESE_ENTRY): New.
5890         (SESE_EXIT): New.
5891         (struct scop): New field for a SESE region.  Remove entry, exit.
5892         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5893         semantics as before.  Moved comment around.
5894
5895 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5896             Sebastian Pop  <sebastian.pop@amd.com>
5897
5898         * graphite.c (graphite_transform_loops): Always enable gloog
5899         and find_transform when ENABLE_CHECKING.
5900
5901 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5902
5903         * graphite.c (graphite_transform_loops): Move pretty printer
5904         of SCOPs before doing any transform.  Remove call to print_scops
5905         and dot_all_scops_1.
5906
5907 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5908
5909         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5910         (print_graphite_bb): Same.
5911
5912 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5913
5914         * graphite.c (dot_all_scops_1): Cleanup.
5915         (move_scops): Fix comment.
5916
5917 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5918
5919         * graphite.c (build_scop_bbs): Revert commit 139355:
5920
5921         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5922                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5923
5924                 * graphite.c (build_scop_bbs): Factor up code.
5925
5926 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5927
5928         * graphite.c (gloog): Update dominator info.
5929
5930 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5931
5932         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5933
5934 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5935
5936         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5937         initialization.
5938         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5939         (translate_clast): Correct formatting.
5940         * graphite.h (struct num_map): Removed.
5941         (struct graphite_bb): Remove num_map field.
5942         (GBB_INDEX_TO_NUM_MAP): Removed.
5943
5944 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5945
5946         * graphite.c (build_access_matrix_with_af): Fix comments.
5947         (build_scop_data_accesses): Same.
5948
5949 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5950
5951         * graphite.c (build_scop_data_accesses): Don't construct
5952         access matrices.  Add a FIXME and an assert condition that
5953         should pass when the access matrices will be needed.
5954
5955 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5956
5957         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5958         really_constant_p.
5959         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5960         Moved close by free_graphite_bb.
5961         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5962         (new_scop): Move close by free_scop.
5963         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5964
5965 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5966
5967         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5968         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5969         instead of recursive call.
5970         (graphite_translate_clast_equation): New.
5971         (graphite_create_guard_cond_expr): New.
5972         (graphite_create_new_guard): New.
5973         (get_stack_index_from_iv): Removed.
5974         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5975         (get_true_edge_from_guard_bb): New.
5976         (translate_clast): Handle stmt_guard in clast.
5977         (get_construction_edge): Allow construction edge detection for
5978         a scope entry with multiple predecessors if one predecessor is
5979         the immediate dominator of scope entry.
5980         (can_generate_code_stmt): Enable code generation for clast_guard.
5981         (gloog): Use correct context loop.  Removed check for post dominators.
5982         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5983
5984 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5985
5986         * graphite.c (remove_dead_loops): Document better which
5987         loops are removed.
5988
5989 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5990
5991         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5992         and PPLINC.
5993         (graphite.o): Also depends on pointer-set.h.
5994
5995 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5996
5997         * graphite.c (scop_record_loop): Fix compile warning.
5998
5999 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6000             Sebastian Pop  <sebastian.pop@amd.com>
6001
6002         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6003
6004 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6005
6006         * graphite.c (build_graphite_bb): Initialize bb->aux to
6007         point to the graphite_bb_p.
6008         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6009         content of bb->aux.
6010         (add_bb_domains): Does not use the scop parameter.
6011         (graphite_transform_loops): Clean bb->aux at the end.
6012
6013 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6014             Sebastian Pop  <sebastian.pop@amd.com>
6015
6016         * lib/target-supports.exp
6017         (check_effective_target_fgraphite): New.
6018
6019         * gcc.dg/graphite/graphite.exp: Early exit when
6020         check_effective_target_fgraphite returns false.
6021         Set dg-do-what-default to compile.
6022         (scan-graphite-dump-times): Removed.
6023         * gfortran.dg/graphite/graphite.exp: Same.
6024
6025         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6026         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6027         * gcc.dg/graphite/scop-1.c: Same.
6028         * gcc.dg/graphite/scop-2.c: Same.
6029         * gcc.dg/graphite/scop-3.c: Same.
6030         * gcc.dg/graphite/scop-4.c: Same.
6031         * gcc.dg/graphite/scop-5.c: Same.
6032         * gcc.dg/graphite/scop-6.c: Same.
6033         * gcc.dg/graphite/scop-7.c: Same.
6034         * gcc.dg/graphite/scop-8.c: Same.
6035         * gcc.dg/graphite/scop-9.c: Same.
6036         * gcc.dg/graphite/scop-10.c: Same.
6037         * gcc.dg/graphite/scop-11.c: Same.
6038         * gcc.dg/graphite/scop-12.c: Same.
6039         * gcc.dg/graphite/scop-13.c: Same.
6040         * gcc.dg/graphite/scop-matmult.c: Same.
6041         * gcc.dg/graphite/scop-14.c: Same.
6042         * gcc.dg/graphite/scop-15.c: Same.
6043         * gcc.dg/graphite/block-0.c: Same.
6044         * gcc.dg/graphite/scop-16.c: Same.
6045         * gcc.dg/graphite/block-1.c: Same.
6046         * gcc.dg/graphite/scop-17.c: Same.
6047         * gcc.dg/graphite/scop-18.c: Same.
6048         * gfortran.dg/graphite/block-1.f90: Same.
6049         * gfortran.dg/graphite/scop-1.f: Same.
6050         * gfortran.dg/graphite/block-2.f: Same.
6051
6052 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6053
6054         * graphite.c: Fix some XXX comments.
6055         (build_scop_dynamic_schedules): Removed.
6056
6057 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6058
6059         * graphite.h (scop_max_loop_depth): Moved...
6060         * graphite.c (scop_max_loop_depth): ...here.
6061         (remove_all_edges_1): New.
6062         (remove_all_edges): Factored code.
6063         (remove_cond_exprs): Check only the last statement for
6064         a GIMPLE_COND expression.
6065
6066 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6067
6068         * graphite.c (scan_tree_for_params): Early return when the
6069         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6070         (find_scop_parameters): Factor out code.
6071         (graphite_trans_bb_strip_mine): Remove dead code.
6072
6073 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6074
6075         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6076         graphite_trans_bb_move_loop): Factor asserts.
6077         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6078         Do not call calculate_dominance_info and estimate_bb_frequencies.
6079
6080 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6081
6082         * graphite.c (create_loops_mapping, free_loops_mapping,
6083         create_loops_mapping_num, debug_loop_mapping_1,
6084         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6085         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6086         graphite_loops_mapping_add_child_num,
6087         graphite_loops_mapping_insert_child,
6088         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6089         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6090         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6091         create_num_from_index, get_num_from_index,
6092         swap_loop_mapped_depth): Removed.
6093         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6094         (free_scop): Do not call free_loops_mapping.
6095         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6096         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6097         get_loop_mapped_depth.
6098         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6099         (graphite_trans_bb_strip_mine): Same.
6100         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6101         (struct scop): Remove field loops_mapping.
6102
6103 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6104             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6105
6106         * graphite.c (scop_record_loop): Factor out one level of the
6107         condition by early return.
6108         (build_scop_loop_nests): Format following FSF coding style.
6109         (build_scop_dynamic_schedules): Factor out code.
6110         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6111
6112 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6113             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6114
6115         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6116         assignments that are not handled as simple operands for now.
6117
6118 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6119             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6120
6121         * graphite.c (build_scop_bbs): Factor up code.
6122
6123 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6124             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6125
6126         * graphite.c (stmt_simple_for_scop_p): Factor code out
6127         of the loop.
6128         (enum gbb_type): New.  Group all the GBB_* types under it.
6129         (is_loop_exit): Moved...
6130         (end_scop): Enable BB spliting.
6131         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6132         * cfgloop.h (is_loop_exit): Declared.
6133
6134 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6135
6136         * doc/invoke.texi: Remove strides from examples containing
6137         DO loops when the strides are equal to 1.
6138
6139 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6140             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6141
6142         * graphite.c (graphite_trans_scop_block): Or the result with
6143         the result from graphite_trans_loop_block.
6144         * gcc.dg/graphite/block-1.c: New.
6145         * gfortran.dg/graphite/block-1.f90: New.
6146         * gfortran.dg/graphite/block-2.f: New.
6147
6148 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6149
6150         * graphite.c (graphite_transform_loops): Call cloog_initialize
6151         and cloog_finalize.
6152
6153 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6154
6155         * tree-data-ref.c) (stmt_simple_memref_p): New.
6156         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6157         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6158         (is_simple_operand): Call stmt_simple_memref_p.
6159
6160         * gcc.dg/graphite/scop-matmult.c: Updated for not
6161         using pointer arithmetic, as this is optimized by PRE and
6162         makes the code too difficult to analyze.
6163
6164         * gcc.dg/graphite/scop-18.c: Same.
6165
6166 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6167
6168         * gdbinit.in (pgg): New.
6169
6170 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6171
6172         * graphite.c (graphite_trans_loop_block): Fix warning.
6173
6174 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6175
6176         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6177
6178 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6179
6180         * graphite.c (graphite_trans_bb_block): Remove check for
6181         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6182         Check if loop blocking is profitable for every loop, before applying
6183         the changes.
6184         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6185         if flag_loop_block is set.
6186
6187 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6188
6189         * graphite.c: Add some more documentation for the loop
6190         mapping.
6191
6192 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6193
6194         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6195         * graphite.c: Format on less than 80 columns.
6196         * graphite.h: Same.
6197
6198 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6199
6200         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6201
6202 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6203
6204         * doc/invoke.texi (floop-block, floop-strip-mine,
6205         floop-interchange): Update documentation with examples.
6206
6207 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6208
6209         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6210         add_referenced_var.
6211         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6212
6213 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6214
6215         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6216         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6217         * tree-scalar-evolution.c: Revert useless changes.
6218         * tree-phinodes.c: Same.
6219         * cfghooks.c: Same.
6220         * vec.h: Same.
6221         * tree-vectorizer.h: Same.
6222         * tree-flow.h: Same.
6223         * tree-cfg.c: Same.
6224         * common.opt (fgraphite): Update documentation.
6225
6226 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6227
6228         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6229         -floop-interchange): Add more text for explaining what each of these
6230         flags is doing.
6231         * tree-into-ssa.c (gimple_vec): Moved to...
6232         * graphite.c: Include gimple.h.
6233         (gimple_vec): Moved to...
6234         (del_loop_to_cloog_loop): Removed.
6235         (loop_affine_expr): Do not call create_data_ref when the
6236         operand is a constant.
6237         (new_scop): Use free instead of del_loop_to_cloog_loop.
6238         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6239         * gimple.h (gimple_vec): ... here.
6240
6241 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6242
6243         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6244         latch executions.
6245         (build_loop_iteration_domains): Fail, if latch executions unknown.
6246
6247 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6248
6249         * graphite.c (add_conditions_to_domain): New.
6250         (build_scop_conditions_1): Call add_conditions_to_domain.
6251         (set_cloog_options): Allow to disable optimizations.
6252
6253 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6254
6255         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6256         Do not use walk_dominator_tree.
6257         (find_scop_parameters): Do not use walk_dominator_tree.
6258
6259 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6260
6261         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6262         (idx_record_params): Adapt.
6263         * graphite.h (scop_gimple_loop_depth): New.
6264
6265 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6266
6267         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6268         (scan_tree_for_params): Remove value_init.
6269         (build_scop_context): Remove value_init.
6270         (build_loop_iteration_domains): Remove value_init.
6271         (schedule_to_scattering): Remove value_init.
6272         (graphite_trans_bb_strip_mine): Remove value_init.
6273
6274 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6275
6276         * gcc/graphite.c (limit_scops): New.
6277         (graphite_transform_loops): Add limit SCoPs.
6278         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6279         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6280         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6281         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6282         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6283         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6284         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6285         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6286         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6287         Change loop numbers.
6288         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6289         Change loop numbers.
6290         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6291         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6292         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6293         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6294         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6295         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6296         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6297         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6298         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6299         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6300
6301 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6302
6303         * graphite.c (graphite_transform_loops): Call always find_transform.
6304
6305 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6306
6307         * graphite.c (free_loops_mapping): New.
6308         (stmt_simple_for_scop_p): Fix typo.
6309         (stmt_simple_for_scop_p): Fix tuples functions, that
6310         broke polyhedron.
6311         (free_graphite_bb): Fix some memleaks.
6312         (free_scop): Fix some memleaks.
6313         (scopdet_bb_info): Do not forget some tmp SCoPs.
6314         (find_params_in_bb): Fix some memleaks.
6315         (clast_to_gcc_expression): Fix warning.
6316
6317 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6318
6319         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6320         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6321
6322 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6323
6324         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6325         Move code ifdef-ed HAVE_cloog...
6326         * graphite.c: Include toplev.h.
6327         ... here.
6328         * Makefile.in (OBJS-common): Always build graphite.o.
6329         (BACKEND): Remove @GRAPHITE@.
6330         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6331         (graphite.o): Depend on TOPLEV_H.
6332
6333 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6334
6335         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6336         Remove typo left from polylib to ppl conversion.
6337         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6338
6339 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6340
6341         * toplev.c (process_options): Move the graphite loop optimization
6342         flags...
6343         * tree-ssa-loop.c (graphite_transforms): ... here.
6344         When not configured with CLooG, print to dump_file that
6345         Graphite transforms were not performed.
6346         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6347         New.
6348         * gcc.dg/graphite/*.c: Updated all testcases to use
6349         scan-graphite-dump-times.
6350
6351 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6352
6353         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6354         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6355
6356 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6357             Jan Sjodin  <jan.sjodin@amd.com>
6358
6359         * configure: Regenerated.
6360         * omp-low.c (expand_omp_sections): Remove now unused code.
6361         * config.in (HAVE_polylib): Removed.
6362         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6363         (PPLLIBS, PPLINC): Added.
6364         * graphite.c: Replace unsigned with int wherever possible.
6365         Don't access Cloog's data structures, but use accessor functions.
6366         Clast's stmt->type is now implemented as a vtable: change the
6367         switches of stmt->type into ifs.
6368         (polylib/polylibgmp.h): Don't include.
6369         (initialize_dependence_polyhedron,
6370         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6371         statement_precedes_p, test_dependence, build_rdg_all_levels,
6372         dump_dependence_graph): Removed until this code is cleaned up
6373         or ported to Cloog.
6374         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6375         (POLYLIBINC): Renamed PPLINC.
6376
6377 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6378             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6379             Jan Sjodin  <jan.sjodin@amd.com>
6380
6381         Finish the merge and tuplification of graphite.
6382
6383 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6384             Jan Sjodin  <jan.sjodin@amd.com>
6385
6386         Partial merge from mainline (138072:138275).
6387         * graphite.c still has to be tuplified.
6388
6389 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6390
6391         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6392         (create_num_from_index): New.
6393         (get_num_from_index): Also pass in the graphite BB.
6394         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6395         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6396         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6397         (is_interchange_valid): Return false when failing.
6398         * graphite.h (struct num_map): New.
6399         (struct graphite_bb): New field num_map.
6400         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6401
6402 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6403
6404         * graphite.c (dump_gbb_conditions): Print also conditions like
6405         "if (a)".  Remove dublicated code and use print_generic_expr ().
6406         (stmt_simple_for_scop_p): Only allow conditions we can handle
6407         {<, <=, >, >=}.
6408
6409 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6410
6411         * graphite.h (struct scop): Removed new_ivs field.
6412         (SCOP_NEWIVS): Deleted.
6413         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6414         clast_to_gcc_expression, graphite_create_new_loop):
6415         Removed use of new_ivs.
6416
6417 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6418
6419         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6420         create_loops_mapping_num, debug_loop_mapping_1): New.
6421         (debug_loop_mapping): Call debug_loop_mapping_1.
6422         (get_loop_mapping_for_num,
6423         graphite_loops_mapping_add_child,
6424         graphite_loops_mapping_add_child_num,
6425         graphite_loops_mapping_insert_child,
6426         graphite_loops_mapping_parent,
6427         split_loop_mapped_depth_for_num,
6428         loop_mapped_depth_split_loop): New.
6429         (increment_loop_mapped_depths): Removed.
6430         (swap_loop_mapped_depth_for_num): Reimplemented.
6431         (new_scop): Call create_loops_mapping.
6432         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6433         (translate_clast): Pass the old loop father in parameter, and pass
6434         it to get_old_iv_from_ssa_name.
6435         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6436         can_generate_code, can_generate_for_scop): New.
6437         (graphite_trans_bb_block): Returns false when it fails to transform.
6438         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6439
6440 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6441
6442         Reverted all the changes related to the streamization and
6443         loop fusion.
6444         These changes are now tracked in the streamization branch.
6445
6446 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6447             Jan Sjodin  <jan.sjodin@amd.com>
6448
6449         * graphite.c (gbb_compare): Correctly constify.
6450         (gbb_can_be_ignored): Indent.
6451         (graphite_trans_scop_swap_1and2): Add legality check.
6452         Remove dead FIXMEs.
6453
6454 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6455
6456         Remove fallouts from "Reverted the Condate changes".
6457         * tree.h: Remove unused decl.
6458         * gcc.dg/tree-checker: Same.
6459         * timevar.def: Remove counter.
6460
6461 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6462
6463         * Merge from mainline (135673:138072).
6464
6465         Reverted the MIRO changes (from 2008-04-05) that are now
6466         tracked in the miro branch.
6467         * tree-bounds.c: Removed.
6468         * tree-bounds.h: Removed.
6469
6470         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6471         are now tracked in the condate branch.
6472         * tree-check.c: Removed.
6473         * tree-match.c: Removed.
6474         * condate.y: Removed.
6475
6476 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6477
6478         * common.opt: New user flag -floop-block, -floop-strip-mine
6479         and -floop-interchange.
6480         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6481         graphite loop optimization flags is turned on.
6482         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6483         flag_loop_strip_mine and flag_loop_interchange checks before
6484         optimizations.
6485         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6486         -floop-strip-mine and -floop-interchange.
6487         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6488         -fgraphite.
6489         * gcc.dg/graphite/scop-16.c: Ditto.
6490         * gcc.dg/graphite/scop-17.c: Ditto.
6491         * gcc.dg/graphite/scop-18.c: Ditto.
6492
6493 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6494             Sebastian Pop  <sebastian.pop@amd.com>
6495
6496         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6497         (create_empty_loop_on_edge): More fixes.
6498         * tree-phinodes.c (resize_phi_node): Extern.
6499         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6500         * cfghooks.c (update_dominator_information): New split from
6501         split_edge.
6502         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6503         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6504         successor of the function entry block.
6505
6506         * graphite.c: Include pointer-set.h.
6507         (debug_loop_mapping, increment_loop_mapped_depths,
6508         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6509         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6510         swap_loop_mapped_depth_for_num, get_num_from_index,
6511         swap_loop_mapped_depth, loop_iv_stack_debug,
6512         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6513         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6514         get_old_iv_from_ssa_name): New.
6515         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6516         (free_scop): Free SCOP_LOOPS_MAPPING.
6517         (scop_record_loop): Record old ivs.
6518         (create_var_name): Removed.
6519         (initialize_cloog_names): Allocate double space in case strip mine
6520         applies to all loops once.
6521         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6522         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6523         translation.
6524         (graphite_create_new_loop): Pass in ivstack.
6525         (remove_all_edges): Pass in the construction_edge.
6526         (graphite_remove_iv): Removed.
6527         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6528         remove_cond_exprs): Rewritten.
6529         (move_phi_nodes): New.
6530         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6531         (translate_clast): Pass in ivstack.  Rewrite some cases.
6532         (set_cloog_options, debug_clast_stmt): New.
6533         (find_transform): Use set_cloog_options.
6534         (outermost_loop_layer): Removed.
6535         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6536         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6537         mark_old_loops, remove_dead_loops): New.
6538         (gloog): Rewritten.
6539         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6540         (const_column_index, get_first_matching_sign_row_index,
6541         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6542         get_upper_bound): New.
6543         (graphite_trans_bb_strip_mine): Also update the iv map.
6544
6545         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6546         (struct name_tree): Add a loop field.
6547         (struct scop): Add a graphite_loops_mapping field.
6548         (SCOP_LOOPS_MAPPING): New.
6549         (debug_clast_stmt): Declare.
6550         * lambda.h (find_induction_var_from_exit_cond): Declare.
6551         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6552         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6553         (create_empty_loop_on_edge): Updated.
6554         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6555         rename_variables_in_bb): Declare.
6556         * tree-cfg.c (remove_bb): Extern.
6557
6558         * gcc.dg/graphite/block-0.c: New.
6559
6560 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6561             Sebastian Pop  <sebastian.pop@amd.com>
6562
6563         * graphite.c (strip_mine_profitable_p): New.
6564         (graphite_trans_bb_block): Disable strip mining if not profitable.
6565
6566         * gcc.dg/graphite/scop-18.c: New.
6567         * gcc.dg/graphite/scop-17.c: Fixed.
6568         * gcc.dg/graphite/scop-16.c: Fixed.
6569
6570 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6571             Jan Sjodin  <jan.sjodin@amd.com>
6572             Sebastian Pop  <sebastian.pop@amd.com>
6573
6574         * graphite.c (is_interchange_valid): New.
6575         (graphite_trans_bb_block): Check loop nest of basic block for legality
6576         of interchange.
6577
6578         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6579         outer_most_loop, gbb_outer_most_loop_index): New.
6580
6581         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6582         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6583         * gcc.dg/graphite/scop-16.c: New.
6584         * gcc.dg/graphite/scop-17.c: New.
6585
6586 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6587
6588         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6589         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6590
6591 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6592
6593         * graphite.c (new_scop): Initialize SCOP_EXIT.
6594         (scopdet_info): Add.
6595         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6596         (build_scops_1): Cleanup, bugfixes.
6597         (build_scops): Cleanup.
6598
6599         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6600         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6601
6602 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6603
6604         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6605
6606         * gfortran.dg/graphite/graphite.exp: Use
6607         DEFAULT_GRAPHITE_FLAGS.
6608
6609         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6610
6611 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6612
6613         * graphite.c (scan_tree_for_params): Do not assert any more if
6614         MULT_EXPR parameter is negative.
6615
6616         * gfortran.dg/graphite/scop-1.f: New.
6617
6618         * gfortran.dg/graphite/graphite.exp: New.
6619
6620         * gcc.dg/graphite/scop-15.c: New.
6621
6622 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6623
6624         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6625
6626 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6627
6628         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6629         graphite_swap_loops.
6630         (graphite_trans_bb_move_loop): New.
6631         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6632         (graphite_trans_bb_block): New.
6633         (graphite_trans_loop_block): New.
6634         (graphite_trans_scop_swap_1and2): Rename from
6635         graphite_trans_swap_1and2.
6636         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6637         (graphite_trans_scop_block): New.
6638         (graphite_apply_transformations): Rename from
6639         graphite_transformations.
6640
6641         * gcc.dg/graphite/scop-matmult.c: New.
6642
6643 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6644
6645         * graphite.c (gbb_compare): New.
6646         (graphite_sort_gbbs): New.
6647         (gbb_can_be_ignored): New.
6648         (scop_remove_ignoreable_gbbs): New.
6649         (graphite_transformations): Cleanup and add
6650         scop_remove_ignoreable_gbbs.
6651         * lambda.h (lambda_vector_compare): New.
6652
6653 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6654
6655         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6656         (graphite_swap_loops): int -> unsigned
6657         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6658         (graphite_transformations): New.
6659         (graphite_transform_loops): Move to graphite_transformations.
6660         * graphite.h (gbb_nb_loops): Return unsigned.
6661
6662 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6663
6664         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6665         the domain matrix.  This makes scop-0.c work again.
6666
6667 2008-06-20  Richard Guenther  <rguenther@suse.de>
6668
6669         * graphite.h: Adjust copyright to GPLv3.
6670         * graphite.c: Likewise.
6671         (stmt_simple_memref_for_scop_p): Split out from ...
6672         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6673         and simplify.
6674         (get_bb_type): Optimize.
6675         (is_pred): Remove.
6676         (is_bb_addable): Fix memleak, replace is_pred call with
6677         single_pred.
6678         (build_scops): Use current_loops.
6679         (param_index): Fix memleak.
6680
6681 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6682
6683         * graphite.c: Fix formatting.
6684
6685 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6686
6687         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6688         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6689         (create_var_name, save_var_name): Newly defined functions.
6690         (initialize_cloog_names): Part of the code factored out to
6691         save_var_name.
6692         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6693         in clast_reduction statement.
6694         (graphite_create_new_loop): Now takes a new parameter
6695         for outer_loop.
6696         (translate_clast): Now also takes the context_loop and bb_exit
6697         parameters. Rewritten the code so that it creates a gimple code
6698         inside the given context.
6699         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6700         remove_cond_expr, disconnect_cond_expr,
6701         disconnect_virtual_phi_nodes): Newly defined functions.
6702         * graphite.h (struct scop): added old_ivs vector.
6703         SCOP_OLDIVS: New macro.
6704
6705 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6706
6707         * cfgloopmanip.c: Add missing function comments, fix formatting.
6708
6709 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6710
6711         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6712         (create_empty_loop_on_edge): Defined.
6713         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6714         instead of void.
6715         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6716         (update_dominators_in_loop): Declared as extern
6717         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6718
6719 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6720
6721         * graphite.c (print_graphite_bb): Allow changing number of loops
6722         in SCoP domain.
6723         (initialize_cloog_names): Allow changing number of loops.
6724         (build_cloog_prog): Simplify.
6725         (find_transform): Enable cloog option --strides.
6726         (graphite_swap_loops): New.
6727         (graphite_strip_mine_loop): New.
6728         (graphite_trans_swap_1and2): New.
6729         (graphite_trans_strip): New.
6730         (graphite_transform_loops): Add graphite_trans_strip.
6731         * graphite.h (scop_max_loop_depth): New.
6732
6733 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6734
6735         * graphite.c (build_scop_iteration_domain): Remove forgotten
6736         line. (Fixes compile)
6737
6738 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6739
6740         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6741         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6742         (build_bb_loops): New.
6743         (graphite_transform_loops): Add build_bb_loops.
6744         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6745         numbers.
6746         * graphite.h (graphite_bb): Add loops.
6747         (gbb_nb_loops): New.
6748         (gbb_loop_at_index): New.
6749         (gbb_loop_index): New.
6750         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6751         using nb_params_in_scop.
6752
6753 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6754
6755         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6756         (build_scop_canonical_schedules): Build minimized schedule.
6757         (schedule_to_scattering): Adapt to minimized schedule.
6758         * graphite.h (graphite_bb): Add/Update descriptions.
6759
6760 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6761             Tobias Grosser  <grosser@fim.uni-passau.de>
6762
6763         * graphite.c (print_graphite_bb): Add condition printing.
6764         (dump_value): New.
6765         (dump_gbb_conditions): New.
6766         (build_scop_conditions_1): New.
6767         (build_scop_conditions): New.
6768         * graphite.h (graphite_bb): Add conditions.
6769
6770 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6771
6772         * graphite.c (print_graphite_bb):
6773         (free_graphite_bb): New.
6774         (free_scop): Free bbs.
6775         (get_bb_type): Free doms.
6776         (build_scop_context): Free context matrix.
6777         (build_loop_iteration_domains): Remove unused code.
6778         (build_cloog_prog): Free scattering function and blocklist.
6779         (find_transform): Free options.
6780
6781 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6782
6783         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6784         Remove unnecessery cloog data structures. Make a copy of the domain
6785         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6786         unnecessary cloog data structures. Fix memory leaks. Remove insert
6787         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6788         used.
6789         (build_scop_iteration_domain): Remove unnecessary cloog
6790         data structures.  Fix memory leaks.
6791         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6792         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6793
6794 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6795
6796         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6797
6798 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6799
6800         * graphite.c (end_scop): Style fix.
6801         (schedule_to_scattering): Style and comment fix.
6802
6803 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6804         * graphite.c (print_graphite_bb): Fix definiton of
6805         schedule_to_scattering.
6806         (initialize_cloog_names): Change nb_scattdims to max loop
6807         depth in SCoP.
6808         (schedule_to_scattering): Take parameter for number of scattering
6809         dimensions.
6810         (build_cloog_prog): Only build as much scattering dimensions as
6811         necessary.
6812
6813 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6814
6815         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6816         in polyhedron/aermod.f90.
6817
6818 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6819             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6820             Harsha Jagasia  <harsha.jagasia@amd.com>
6821
6822         * graphite.c (is_bb_addable): Fix segfault.
6823
6824 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6825
6826         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6827         with multiple exits and conditional handling in edge cases.
6828         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6829
6830         * gcc.dg/graphite/scop-14.c: New.
6831
6832 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6833             Adrien Eliche  <aeliche@isty.uvsq.fr>
6834
6835         * graphite.c (is_bb_addable): Add more comments and enhance
6836         readablity of the source code. Fix memory leak.
6837         (is_loop_exit): Fix memory leak.
6838
6839 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6840
6841         * graphite.c (first_loop_in_scop): Deleted.
6842         (setup_cloog_loop): Only walk the loop chain for inner loops.
6843         (build_scop_iteration_domain): Execute setup_cloog_loop for
6844         all loops in the first layer.
6845
6846 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6847
6848         * graphite.c (scan_tree_for_params): Change the way params are
6849         added to be indepenent of the number of loops.
6850         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6851         handling.
6852         (build_cloog_prog): Revert to short matrix format.
6853
6854 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6855             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6856
6857         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6858         warning.
6859
6860 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6861
6862         * graphite.c (nb_data_refs_in_scop): New.
6863         (graphite_transform_loops): Print more stats: number of
6864         loops, basic blocks and data references per scop.
6865
6866 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6867             Jan Sjodin  <jan.sjodin@amd.com>
6868
6869         * graphite.c (loop_affine_expr, idx_record_params,
6870         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6871         instead of instantiate_parameters.
6872
6873 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6874
6875         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6876         add support for parameters, add STATIC_SCHEDULE at the right places,
6877         cleanup.
6878
6879 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6880
6881         * graphite.c (build_scop_loop_nests): Only add the loops, that
6882         are contained completely in the SCoP.
6883         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6884         and the domains are fixed.
6885         (build_scop_canonical_schedules): Add support for bbs not contained
6886         in any SCoP.
6887
6888 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6889
6890         * graphite.h (scop_contains_loop): Update comments to match
6891         the actual behavior.
6892         (scop_contains_loop): New.
6893         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6894
6895 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6896
6897         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6898         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6899         as GBB_COND_HEADER.
6900
6901 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6902             Tobias Grosser  <grosser@fim.uni-passau.de>
6903
6904         * graphite.c (graphite_transform_loops): Early return when
6905         there are no loops in the function.
6906
6907 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6908             Jan Sjodin  <jan.sjodin@amd.com>
6909
6910         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6911         offset of the last loop.
6912         (setup_cloog_loop): Copy the entire outer constraint matrix.
6913
6914 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6915             Jan Sjodin  <jan.sjodin@amd.com>
6916
6917         * graphite.c (stmt_in_scop_p, function_parameter_p,
6918         invariant_in_scop_p): Removed.
6919         (scan_tree_for_params): Can be used with no constraint
6920         matrix for gathering parameters.
6921         (idx_record_params): Don't use idx_record_param, instead use
6922         scan_tree_for_params.
6923         (find_scop_parameters): Same.
6924         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6925         Fix the size of loop domains.
6926         (schedule_to_scattering): Exit when the outer loop is not in scop.
6927         (find_transform): Enable build_cloog_prog.
6928
6929 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6930             Jan Sjodin  <jan.sjodin@amd.com>
6931
6932         * graphite.c (schedule_to_scattering): Make scattering domains
6933         uniformly of the same size, as required by CLooG 0.14.0 and before.
6934
6935 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6936             Jan Sjodin  <jan.sjodin@amd.com>
6937
6938         * graphite.c (schedule_to_scattering): Rewrite, correct the
6939         translation of the scheduling function to scattering.
6940         (build_cloog_prog): Call schedule_to_scattering only once.
6941         * graphite.h (scop_loop_index): Do not fail for loops not
6942         in the scop: return -1.
6943
6944 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6945
6946         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6947         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6948         (setup_cloog_loop): Export GBB_DOMAIN.
6949         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6950         able to rebuild the original control flow.
6951         * graphite.h (graphite_bb): Add domain field and access macro.
6952         (GBB_DOMAIN): New.
6953
6954 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6955
6956         * graphite.c (debug_gbb): New.
6957         (print_scop, build_graphite_bb): Use SCOP_BBS.
6958         (build_scop_bbs): Reimplemented.
6959         (dfs_bb_in_scop_p): Removed.
6960         (build_scop_loop_nests): Reorder loops inserted in
6961         SCOP_LOOP_NEST: outer loops should come first.
6962         (build_scop_canonical_schedules): Reinitialize at zero
6963         the components of the SCOP_STATIC_SCHEDULE for the loops
6964         that have already been parsed.
6965
6966         * graphite.h (debug_gbb): Declared.
6967
6968 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6969             Jan Sjodin  <jan.sjodin@amd.com>
6970
6971         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6972         (graphite_loop_to_gcc_loop): Removed.
6973         (remove_all_edges): New.
6974         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6975         (gloog): Remove useless code.
6976
6977 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6978
6979         * graphite.c (get_bb_type): Reworked. We distinguish between
6980         loops with one or multiple exits.
6981         (is_loop_exit): New.
6982         (is_pred): New.
6983         (is_bb_addable): Rework condition handling, now support for case
6984         case statements and loops with multiple exits.
6985
6986         * gcc.dg/graphite/scop-11.c: New.
6987         * gcc.dg/graphite/scop-12.c: New.
6988         * gcc.dg/graphite/scop-13.c: New.
6989
6990 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6991
6992         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6993         we have too many colors.
6994
6995 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6996
6997         * doc/invoke.texi (-ftree-loop-fusion): Document.
6998         * tree-pass.h (pass_loop_fusion): Declared.
6999         * tree-loop-fusion.c: New.
7000         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7001         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7002         * tree-data-ref.h (find_data_references_in_loop): Declared.
7003         * common.opt (ftree-loop-fusion): Declared.
7004         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7005
7006 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7007
7008         * graphite.c (build_access_matrix): Fix typo from the merge.
7009
7010 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7011
7012         * Merge from mainline (130800:135673).
7013
7014 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7015
7016         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7017         Update dominators after splitting.
7018
7019 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7020
7021         * graphite.c (is_bb_addable): Return the harmful statement.
7022         Factor up some code.
7023         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7024         (build_scops_1): Call end_scop.
7025
7026 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7027
7028         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7029         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7030         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7031         build_scops_1): Removed.
7032         (build_scops_2): Renamed build_scops_1.
7033
7034 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7035
7036         * graphite.c: Fix formatting.
7037
7038 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7039
7040         * graphite.c (get_bb_type): New.
7041         (move_scops): New.
7042         (build_scops_2): New.
7043         (is_bb_addable): New.
7044         (build_scops): Switch the scop detection.
7045         (build_scop_bbs): Add entry bb to scop.
7046         * graphite.h (struct scop): Update comment.
7047
7048 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7049
7050         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7051         more colors.
7052
7053 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7054
7055         * gcc.dg/graphite/scop-1.c: Update.
7056         * gcc.dg/graphite/scop-2.c: Update.
7057         * gcc.dg/graphite/scop-4.c: Update.
7058         * gcc.dg/graphite/scop-5.c: Add.
7059         * gcc.dg/graphite/scop-6.c: Add.
7060
7061 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7062
7063         * gcc.dg/graphite/scop-0.c: Add.
7064         * gcc.dg/graphite/scop-7.c: Add.
7065         * gcc.dg/graphite/scop-8.c: Add.
7066         * gcc.dg/graphite/scop-9.c: Add.
7067         * gcc.dg/graphite/scop-10.c: Add.
7068
7069 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7070
7071         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7072         Check affine expressions depending on the outermost loop
7073         instead of a scop.
7074         (stmt_simple_for_scop_p): Same.
7075         (harmfule_stmt_in_scop): Same.
7076
7077 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7078
7079         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7080         mark entry and exit, that are not part of the SCoP and update HTML
7081         formatting.
7082
7083 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7084
7085         * graphite.c (basic_block_simple_for_scop_p): Renamed
7086         harmful_stmt_in_bb.
7087         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7088         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7089         (all_preds_visited_p, all_succs_visited_p,
7090         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7091         scop_end_loop): New.
7092         (build_scops): Do not use dfs_enumerate_from.
7093
7094         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7095
7096 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7097
7098         * graphite.c: Add comments to functions that are missing a
7099         description.
7100         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7101
7102 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7103
7104         * graphite.c (nb_params_in_scop): Moved...
7105         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7106         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7107         (clast_to_gcc_expression): Reduce column size to less than 80.
7108         (graphite_create_iv): Return the new name of the IV.
7109         (find_transform): Set options->esp and options->cpp.
7110         (gloog): Comment out the invalidation of the old loop code.
7111         (initialize_dependence_polyhedron): Replace scop_nb_params with
7112         nb_params_in_scop.
7113
7114         * graphite.h (nb_params_in_scop): ... here.
7115         (scop_nb_params): Removed.
7116         (loop_domain_dim): Return something even when the loop was not
7117         found in the hash table: avoid ICEing on all the graphite.exp
7118         testcases.
7119
7120 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7121
7122         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7123
7124         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7125         according to nesting level.
7126         (find_scop_parameters): Call instantiate_parameters.
7127         (scan_tree_for_params): Extend it to handle general affine bounds.
7128         Inner loop bound can depend on outer loop induction variable.
7129         (setup_cloog_loop): tmp variable is allocated on stack. Call
7130         instantiate_parameters with respect to outermost_loop_in_scop.
7131         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7132         graphite.h.
7133         (create_empty_loop): Function loopify should be given edge
7134         probability, instead of edge frequency. Dominance relation from
7135         switch_bb to loop_header.
7136         (clast_to_gcc_expression): Added handling of clast_reduction node.
7137         (gloog): New functionality for removing old loop.
7138         (test_dependence): Factored out from build_rdg_all_levels.
7139         (build_rdg_all_levels): Dependence testing factored out to
7140         test_dependence function.
7141
7142         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7143         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7144         from graphite.c
7145
7146 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7147
7148         * graphite.c (free_scop, param_index, initialize_cloog_names,
7149         nb_params_in_scop): Use name_tree map instead of just a tree
7150         for keeping track of the variable name associated to that tree.
7151         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7152         clast_to_gcc_expression, graphite_create_iv,
7153         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7154         graphite_stmt_to_gcc_stmt): New.
7155         (gloog): Call these.
7156         * graphite.h (struct name_tree): New.
7157         (struct scop): Use name_tree instead of tree for params.
7158         Store a vector of name_tree for new_ivs.
7159         (SCOP_NEWIVS): New.
7160         (scop_nb_params): Use name_tree instead of tree.
7161
7162 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7163             Sebastian Pop  <sebastian.pop@amd.com>
7164
7165         * tree-bounds.c: New.
7166         * tree-bounds.h: New.
7167         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7168         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7169         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7170         flag_mudflap.
7171         * gcc.c: Same.
7172         * toplev.c: Same.
7173         * c-cppbuiltin.c: Same.
7174         * c-pragma.c: Same.
7175         * common.opt: Same.
7176         * varasm.c: Same.
7177         * tree-outof-ssa.c: Same.
7178         * c-common.c: Same.
7179         * Makefile.in: Same.
7180
7181 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7182             Sebastian Pop  <sebastian.pop@amd.com>
7183
7184         * tree-loop-distribution.c (remaining_stmts,
7185         upstream_mem_writes): Removed static variables.
7186         (copy_loop_before, create_bb_after_loop,
7187         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7188         rdg_build_components, rdg_build_partitions,
7189         dump_rdg_partitions): Extern.
7190         (generate_loops_for_partition, generate_code_for_partition): Do not
7191         return a bool.
7192         (already_processed_vertex_p, predecessor_has_mem_write,
7193         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7194         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7195         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7196         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7197         Pass remaining_stmts and upstream_mem_writes as parameters.
7198         (rdg_component): Moved...
7199         (build_rdg_partition_for_component): Do not aggregate components when
7200         flag_streamize_loops is set.
7201         (gen_sequential_loops): New.
7202         (ldist_gen): Call gen_sequential_loops.
7203
7204         * tree-pass.h (pass_loop_streamization): Declared.
7205
7206         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7207         basic blocks when loops structures exist.
7208
7209         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7210
7211         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7212
7213         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7214         eliminate_local_variables_stmt, eliminate_local_variables,
7215         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7216         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7217         of code delimited by two edges in the CFG.
7218         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7219         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7220         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7221         the case of parallelisation of reductions.
7222         (create_loop_fn): Extern.
7223         (create_omp_parallel_region): New.
7224
7225         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7226         dump_data_reference for printing dra and drb.
7227         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7228         RDGE_RELATION.
7229         (build_rdg): Don't call free_dependence_relations for the moment, as
7230         we attach dependence relations on each edge of the RDG.
7231         To be fixed later.
7232
7233         * tree-data-ref.h (rdg_component): ...here.
7234         (struct rdg_edge): New field ddr_p relation.
7235         (RDGE_RELATION): New.
7236         (create_bb_after_loop, copy_loop_before,
7237         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7238         rdg_build_partitions, dump_rdg_partitions,
7239         free_rdg_components): Declared.
7240
7241         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7242         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7243
7244         * tree-loop-streamization.c: New.
7245
7246         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7247         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7248
7249         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7250
7251         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7252
7253         * passes.c: Schedule pass_loop_streamization.
7254
7255 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7256
7257         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7258         update comment.
7259
7260 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7261
7262         * graphite.c (dot_all_scops): Update formatting.
7263         Bbs can now be part of more than one SCoP.
7264
7265 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7266
7267         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7268         malloc problems.
7269         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7270         * graphite.h (loop_to_cloog_loop): New.
7271
7272 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7273
7274         * graphite.c (loop_domain_dim, ref_nb_loops,
7275         loop_iteration_vector_dim): New.
7276         (build_access_matrix_with_af, build_access_matrix,
7277         initialize_dependence_polyhedron): Fixed for new matrix layout.
7278         No longer assume that all iteration domains are of the same
7279         dimensionality.
7280
7281 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7282
7283         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7284         defined in a loop at depth 0 is invariant.
7285         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7286         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7287         be called at loop depth 0.
7288
7289         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7290         a parameter.
7291         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7292         (down_open_scop): Removed.
7293         (loop_in_scop_p): Redefined.
7294         (scop_affine_expr): New argument: scop.
7295         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7296         a harmful statement ending a scop.
7297         (basic_block_simple_for_scop_p): New argument: scop.
7298         (get_loop_start): Removed.
7299         (new_scop): Initialize SCOP_LOOPS.
7300         (free_scop): Free SCOP_LOOPS.
7301         (succs_at_same_depth, preds_at_same_depth): New.
7302         (end_scop): Test the validity of a scop.
7303         (add_dominators_to_open_scops): New.
7304         (test_for_scop_bound): Call add_dominators_to_open_scops.
7305         Add cases for opening and closing multiple scops.
7306         (build_scops, build_scop_bbs): Iterate over basic blocks in
7307         depth first order.
7308         (build_graphite_bb): Pass scop directly.
7309         (dfs_bb_in_scop_p): New.
7310         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7311         several times.
7312         (nb_loops_around_gb): Use loop_in_scop_p.
7313         (schedule_to_scattering): Disabled for the moment the code computing
7314         the "textual order for outer loop".
7315
7316         * graphite.h (struct scop): New field loops.
7317         (SCOP_LOOPS): New.
7318         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7319
7320         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7321
7322 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7323             Sebastian Pop  <sebastian.pop@amd.com>
7324
7325         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7326         * common.opt (fstreamize-loops): New.
7327         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7328         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7329         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7330         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7331
7332 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7333
7334         * tree-data-ref.c (build_empty_rdg): New.
7335         (build_rdg): Use it.
7336         * tree-data-ref.h (build_empty_rdg): Declared.
7337         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7338         (find_vertex_for_stmt): Removed.
7339         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7340
7341 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7342
7343         * tree-loop-distribution.c (generate_builtin): After cancelling the
7344         loop tree, also delete basic blocks.
7345         (rdg_flag_uses): Stop recursion when a vertex has already been
7346         processed.
7347
7348 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7349
7350         * graphite.c (build_scop_alpha): Removed.
7351         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7352         and dump_dependence_graph to avoid compiler warnings.
7353
7354 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7355
7356         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7357         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7358         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7359         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7360         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7361         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7362         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7363         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7364         dump_dependence_graph): New.
7365         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7366         (GBB_ALPHA): New.
7367         (struct scop): New field loop2cloog_loop.
7368         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7369         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7370
7371 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7372
7373         * graphite.c (build_graphite_bb): Fix initialization
7374         of the graphite basic block.
7375
7376 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7377
7378         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7379         loop domain matrix.  Pass in the number of loops contained in the
7380         constraint matrix.
7381         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7382         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7383         loops that are not surrounding the current loop are not represented
7384         in the domain constraint matrix.
7385         (build_scop_iteration_domain): Initial domain constraint matrix
7386         contains only the eq/ineq, cst, and scop parameters columns.
7387
7388 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7389
7390         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7391         (print_graphite_bb): Print scattering.
7392
7393 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7394
7395         * graphite.c (initialize_cloog_names): Initialize names of
7396         scattering variables.
7397
7398 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7399
7400         * graphite.c (dot_all_scops_1): Disable debug output while
7401         printing graph.
7402
7403 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7404
7405         * graphite.c (find_transform): Change cloog output language to C.
7406
7407 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7408
7409         * tree-loop-distribution.c (generate_memset_zero,
7410         generate_builtin, generate_code_for_partition,
7411         rdg_flag_all_uses): New.
7412         (rdg_flag_uses): Gather in the same partition the statements defining
7413         the VUSES of the current statement.
7414         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7415         Gather in the same partition not only the stores to the same memory
7416         access, but also the reads.
7417         (ldist_generate_loops): Renamed ldist_gen.
7418
7419 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7420             Tobias Grosser  <grosser@fmi.uni-passau.de>
7421
7422         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7423         next pointer, don't use the inner pointer.
7424
7425 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7426
7427         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7428         (find_transform): Call dot_all_1.
7429         * graphite.h (dot_all_scops): Declared.
7430
7431 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7432
7433         * tree-loop-distribution.c: Fix apsi.f ICE.
7434         (create_bb_after_loop): New.
7435         (generate_loops_for_partition): Use it.
7436         * gfortran.dg/ldist-1.f90: New.
7437
7438         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7439         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7440
7441 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7442
7443         * graphite.c (find_transform): Dump cloog program sent to cloog.
7444
7445 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7446
7447         * graphite.c (initialize_cloog_names): Initialize cloog
7448         iterator names.
7449
7450 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7451
7452         * graphite.c (build_scop_context): Fix typo, for the matrix
7453         format: insert '0 >= 0' instead of '-1 >= 0'.
7454
7455 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7456
7457         * Fix merge problems.
7458
7459 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7460
7461         * graphite.c (setup_cloog_loop): Fix typo.
7462
7463 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7464
7465         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7466         * tree-loop-distribution.c: Reimplemented.
7467         * tree-pass.h (pass_loop_distribution): New.
7468         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7469         print_loops.
7470         * graphds.h (struct graph): New field indexes.
7471         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7472
7473         * tree-vect-analyze.c: Remove declaration of static functions when not
7474         needed.
7475         * tree-vectorizer.c: Same.
7476         (rename_variables_in_loop): Now extern.
7477         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7478         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7479         calling redirect_edge_and_branch_force.
7480
7481         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7482
7483         * tree-data-ref.c: Don't include tree-chrec.h.
7484         (debug_data_dependence_relations): New.
7485         (dump_data_dependence_relation): Call dump_data_reference on data refs
7486         in the relation.
7487         (same_access_functions): Moved...
7488         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7489         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7490         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7491         struct rdg_vertex_info, ): New.
7492         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7493         at DDR_REVERSED_P.
7494         (create_rdg_vertices): Initialize the htab of graph->indexes.
7495         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7496         (stmts_from_loop): Don't save LABEL_EXPR.
7497         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7498         hash_stmt_vertex_del): New.
7499         (build_rdg): Initialize rdg->indexes.
7500         (free_rdg, stores_from_loop, ref_base_address,
7501         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7502         have_similar_memory_accesses_1, ref_base_address_1,
7503         remove_similar_memory_refs): New.
7504
7505         * tree-data-ref.h: Include tree-chrec.h.
7506         (debug_data_dependence_relations): Declared.
7507         (same_access_functions): ...here.  Now static inline.
7508         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7509         ddr_dependence_level): New.
7510         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7511         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7512         RDG_MEM_READS_STMT): New.
7513         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7514         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7515         rdg_vertex_for_stmt): Declared.
7516         (struct rdg_edge): New field level.
7517         (RDGE_LEVEL, free_rdg): New.
7518         (stores_from_loop, remove_similar_memory_refs,
7519         rdg_defs_used_in_other_loops_p,
7520         have_similar_memory_accesses): Declared.
7521         (rdg_has_similar_memory_accesses): New.
7522
7523         * lambda.h (dependence_level): New.
7524         * common.opt (ftree-loop-distribution): New.
7525         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7526         (print_loop_ir): Renamed print_loops.
7527         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7528         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7529         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7530         (tree-loop-distribution.o): Added.
7531         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7532         (mark_virtual_ops_in_bb): New.
7533         (print_loops_bb, debug_loop_num, debug_loop): New.
7534         * passes.c: Scheduled pass_loop_distribution.
7535
7536 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7537
7538         * graphite.c (scan_tree_for_params): Correct the number of columns
7539         for polylib format.
7540         (nb_flat_iterator): New.
7541         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7542         (build_scop_iteration_domain): Correct the number of columns for
7543         polylib format.
7544
7545 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7546
7547         * Merge from mainline (129697:130800).
7548
7549 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7550
7551         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7552         dominated by SCoP's exit.
7553         (graphite_transform_loops): Compute post dominators.
7554
7555 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7556
7557         * Merge from mainline (127169:129697).
7558
7559 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7560
7561         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7562         parameter for the basic block that contains the expression.  Use
7563         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7564         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7565         the expression.
7566         * graphite.h (gbb_loop): New.
7567         (GBB_LOOP): Removed.
7568
7569 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7570
7571         * Makefile.in: Fix merge problem.
7572
7573 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7574
7575         * Merge from mainline (125309:127169).
7576         * tree-loop-distribution.c: Disabled.
7577
7578 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7579
7580         * Merge from mainline (r123693:125309).
7581
7582 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7583
7584         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7585         correct_modify_p
7586         (correct_modify_p, check_statements, number_of_lvalue_uses,
7587         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7588         instead of MODIFY_EXPR.
7589         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7590         and push new edges.
7591
7592 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7593
7594         * tree-loop-distribution.c (struct rdg): Replace arrays by
7595         VECs for edges and vertices.
7596         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7597         (RDGV_NB_PARTITIONS): New.
7598         (PRDG_NBV, PRDG_NBE): Removed.
7599         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7600         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7601         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7602
7603 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7604             Sebastian Pop  <sebpop@gmail.com>
7605
7606         * doc/invoke.texi (-ftree-loop-distribution): Document.
7607         * tree-loop-distribution.c: New file.
7608         * tree-pass.h (pass_loop_distribution): Declared.
7609         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7610         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7611         and set reversed_p.
7612         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7613         (DDR_REVERSED_P): New.
7614         * common.opt (-ftree-loop-distribution): New.
7615         * tree-flow.h (distribute_loops): Declared.
7616         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7617         * passes.c (init_optimization_passes): Schedule loop distribution.
7618
7619 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7620
7621         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7622         (print_scop): Don't print when scop is NULL.
7623         (build_scop_context, find_transform): Don't output to stderr.
7624
7625 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7626
7627         * tree-data-ref.c: Don't include graphite.h.
7628         Comment out the code for printing data reference's scop.
7629         (build_access_matrix_with_af): Moved...
7630         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7631         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7632         (print_graphite_bb): Print basic block's schedule.
7633         (print_scop): Don't print the schedule, call cloog's pretty printer.
7634         (bb_in_scop_p): A basic block is in a scop only if it is both
7635         dominated and postdominated by the scop's entry and exit basic blocks.
7636         (function_parameter_p): New.
7637         (invariant_in_scop_p): Use function_parameter_p.
7638         (new_scop, save_scop): New.
7639         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7640         save_scop.
7641         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7642         (loop_in_scop_p): New.
7643         (scop_record_loop): Use loop_in_scop_p.
7644         (build_scop_domain): Renamed build_scop_iteration_domain.
7645         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7646         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7647         setup_cloog_loop, dot_scop_1, dot_scop): New.
7648         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7649         (struct scop): Add a pointer to cloog's representation of a program.
7650
7651 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7652
7653         * doc/invoke.texi (-ftree-check-verbose): Renamed
7654         -ftree-checks-verbose.
7655         * common.opt (flag_tree_check_verbose): Renamed
7656         flag_tree_checks_verbose.
7657         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7658
7659 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7660
7661         * configure: Regenerated.
7662         * config.in: Regenerated.
7663         * tree-ssa-loop.c (graphite_transforms): Execute
7664         graphite_transform_loops only when HAVE_cloog.
7665         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7666         * graphite.c: Include polylibgmp.h and cloog.h.
7667         (graphite_transform_loops): Removed loops parameter.
7668         * tree-flow.h (graphite_transform_loops): Update declaration.
7669         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7670         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7671         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7672         (OBJS-common): Remove dependence on graphite.o.
7673         (BACKEND): Depend on @GRAPHITE@.
7674
7675 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7676
7677         * doc/invoke.texi (-ftree-check-verbose): Documented.
7678         * gcc.dg/tree-checker/tree-checks-1.c: New.
7679         * gcc.dg/tree-checker/tree-checks-2.c: New.
7680         * gcc.dg/tree-checker/tree-checks-3.c: New.
7681         * gcc.dg/tree-checker/tree-checks-4.c: New.
7682         * gcc.dg/tree-checker/tree-checks.exp: New.
7683         * gcc.dg/tree-checker/condates.crp: New.
7684         * common.opt (ftree-checks-verbose): New.
7685         * tree-check.c (tree_check_warning): Move extra stderr output
7686         under control of flag_tree_check_verbose.
7687
7688 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7689
7690         * tree-match.c: Fix comments formatting.
7691         * tree-match.h: Fix comments formatting.
7692         * tree-check.c: Fix comments formatting.
7693         (tree_check_init): Restructure.
7694
7695 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7696
7697         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7698
7699 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7700
7701         * Merge from mainline (r120733:123693).
7702
7703 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7704
7705         * condate.y: New file.
7706         * tree-match.h (struct patt_info_s): New field sign.
7707         (struct condate_s): New field msg.
7708         (normalize_condate, name_condate, add_condate): New.
7709         (conds[], condate_parse): Made extern.
7710         * tree-check.c (tree_check_warning): First arg changed to cond;
7711         warning reformatted.
7712         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7713         (tree_scan): New.
7714         (tree_check): Process trivial condates.
7715         (read_delimited_string): Removed.
7716         (print_cond): Print name and msg.
7717         (conds[]): Made extern.
7718         (parse_tree_check_file_once): Rewritten to use the parser in
7719         condate.y.
7720         Processing of option --tree_check_string moved to tree_scan().
7721         * Makefile.in: Added condate.y
7722
7723 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7724
7725         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7726         Use VECs instead of varrays.
7727         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7728         * Makefile.in (pretty-print.o): Depend on vec.h.
7729         * pretty-print.c: Include tree.h and vec.h.
7730         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7731         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7732         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7733         pp_free_list): Use VECs instead of varrays.
7734         * pretty-print.h: Do not include varray.h.
7735         (struct tree_chunk_s): Declaration moved before its use.
7736         (output_buffer): Rename varray field to chunks.
7737         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7738         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7739         save_global_holes): Use VECs instead of varrays.
7740         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7741         * tree-check.c (scan_cfg_stmts, push_node,
7742         print_matching_stmt): Removed.
7743         (tree_check_instance, push_global_holes_if_new, tree_check,
7744         execute_tree_check): Use VECs instead of varrays.
7745         (gate_tree_check): Don't execute the CFG check when basic_block_info
7746         is not available.
7747
7748 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7749
7750         * Merge from mainline (r115016:120733).
7751
7752 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7753
7754         * Merge from mainline (r117632:117661).
7755
7756 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7757
7758         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7759         * tree-pass.h (TDF_DEBUG, debug_p): New.
7760         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7761         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7762         get_loop_exit_condition, analyze_evolution_in_loop,
7763         analyze_initial_condition, analyze_scalar_evolution,
7764         instantiate_parameters, number_of_latch_executions): Use debug_p.
7765         * tree-chrec.c (chrec_apply): Use debug_p.
7766         * tree-data-ref.c: Include graphite.h.
7767         (dump_data_reference): Print also the access matrix.
7768         (analyze_array, analyze_indirect_ref, init_data_ref,
7769         analyze_offset_expr, address_analysis, object_analysis,
7770         create_data_ref, finalize_ddr_dependent,
7771         non_affine_dependence_relation, analyze_ziv_subscript,
7772         analyze_siv_subscript_cst_affine,
7773         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7774         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7775         analyze_miv_subscript, analyze_overlapping_iterations,
7776         build_classic_dist_vector, subscript_dependence_tester,
7777         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7778         (build_access_matrix_with_af): No longer static.
7779         * tree-data-ref.h (scop_p): ... declaration here.
7780         (data_reference.scop): New field.
7781         (DR_SCOP, DR_ACCESS_MATRIX): New.
7782         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7783         * graphite.c (print_graphite_bb): Call dump_data_references.
7784         (print_scop): Use scop_nb_loops and scop_dim_domain.
7785         (test_for_scop_bound): Use debug_p.
7786         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7787         scop_nb_params.
7788         (scop_loop_index): Moved...
7789         (scop_record_loop): New.
7790         (build_scop_loop_nests): Use scop_record_loop.
7791         (build_scop_domain): Use scop_dim_domain.
7792         (build_access_matrix): Implemented.
7793         (build_scop_canonical_schedules): Use scop_nb_loops.
7794         (build_graphite_bb): Initialize GBB_SCOP.
7795         * graphite.h (scop_p): Moved...
7796         (graphite_bb.scop): New field.
7797         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7798         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7799         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7800         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7801         scop_loop_index): New.
7802         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7803
7804 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7805
7806         * Merge from mainline (r117661:120450).
7807
7808 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7809
7810         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7811         at the first declaration outside the varying loop, instantiate as
7812         far as possible.
7813         * tree-chrec.c (for_each_scev_op): New.
7814         * tree-chrec.h (for_each_scev_op): Declared.
7815         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7816         * tree-data-ref.c (get_references_in_stmt,
7817         find_data_references_in_stmt): New, from trunk.
7818         (find_data_references_in_loop): Use get_references_in_stmt
7819         and find_data_references_in_loop, modified as in trunk.
7820         (build_access_matrix_with_af): New.
7821         * tree-data-ref.h (data_reference): Add a field access_matrix.
7822         (data_ref_loc): New, as in trunk.
7823         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7824         invariant_in_scop_p, param_index, scan_tree_for_params,
7825         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7826         idx_record_param, idx_record_params, build_access_matrix,
7827         build_scop_data_accesses, build_scop_canonical_schedules,
7828         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7829         build_scop_params): New.
7830         * graphite.h (graphite_bb): New.
7831         (scop): Add fields static_schedule, params, loop_nest,
7832         iteration_domain.
7833         * lambda.h: Declare vecs of lambda_matrix.
7834         * tree-flow.h (print_loop_ir_bb): Declared.
7835         * tree-cfg.c (print_loop_ir_bb): New.
7836         (print_loop): Use print_loop_ir_bb.
7837
7838 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7839
7840         * Merge from mainline (r115016:117632).
7841
7842 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7843
7844         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7845         break due to a warning.
7846
7847 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7848
7849         * graphite.c (print_scops, debug_scops): New.
7850         (graphite_transform): Renamed graphite_find_transform.
7851         * graphite.h (debug_scops): Declared.
7852
7853 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7854
7855         * tree-match.c: Reformat following the GNU style.
7856         * tree-match.h: Reformat following the GNU style.
7857         * tree-pattern.h: Removed empty file.
7858         * Makefile.in: Remove references to tree-pattern.h.
7859         * tree-check.c: Reformat following the GNU style.
7860         (execute_tree_check): Move gate condition code to...
7861         (gate_tree_check): ...here.  New function.
7862         (pass_check): Use the gate function.
7863
7864 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7865
7866         * tree-pattern.h: New. Tree pattern matching and checking using
7867         concrete syntax.
7868         * tree-check.c: New. Tree/CFG checking pass.
7869         * tree-match.c: New. Library for tree pattern matching.
7870         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7871         * toplev.c, flags.h: Add globals for tree-check pass.
7872         * Makefile.in: Integrate the files in tree-check pass.
7873         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7874         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7875         Introduce a "lazy" pretty-print mode.
7876         * tree.c, tree.h: Add tree_name.
7877
7878 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7879
7880         * doc/invoke.texi (-fgraphite): Correct typo.
7881         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7882         use of print_loop_ir.
7883         * gcc.dg/graphite/scop-1.c: New.
7884         * gcc.dg/graphite/scop-2.c: New.
7885         * gcc.dg/graphite/graphite.exp: New.
7886         * graphite.c: Include domwalk.h.
7887         (print_scop): Print only the entry and exit blocks.
7888         (debug_scop): No longer static.
7889         (affine_expr): Fix formating.  Return also true when the expression is
7890         constant.
7891         (stmt_simple_for_scop_p): Fix formating.
7892         (build_scops): Use domwalk.
7893         (get_loop_start, end_scop, test_for_scop_bound): New.
7894         (graphite_transform_loops): Avoid printing on stderr.
7895         * graphite.h (debug_scop): Declared.
7896         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7897         * Makefile.in (graphite.o): Depend on domwalk.h.
7898         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7899         declarations for static functions.
7900         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7901         controlling output verbosity.
7902
7903 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7904             Plesco Alexandru  <shurikx@gmail.com>
7905
7906         * doc/invoke.texi (-fgraphite): Document.
7907         * tree-pass.h (pass_graphite_transforms): Declared.
7908         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7909         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7910         (pass_graphite_transforms): Defined.
7911         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7912         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7913         * graphite.c, graphite.h: New.
7914         * common.opt (fgraphite): Declared.
7915         * tree-flow.h (graphite_transform_loops): Declared.
7916         * Makefile.in (OBJS-common): Add graphite.o.
7917         (graphite.o): New rule.
7918         * passes.c (pass_graphite_transforms): Scheduled.
7919