gcc/ChangeLog.graphite

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