gcc/ChangeLog.graphite

   1 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
   4         case non close-phi nodes with one argument.
   5
   6 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * sese.h (scev_analyzable_p): Scevs could be expressions without
   9         chrecs and still be scev_analyzable_p.
  10
  11 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
  14
  15 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
  18         * cfgloop.h (struct loop): Remove single_iv field.
  19         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
  20         (scop_canonicalize_loops): Removed.
  21         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
  22         over all the loop phi nodes in loop->header.
  23         (build_poly_scop): Remove use of scop_canonicalize_loops.
  24
  25 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
  28         handle GIMPLE_CALL.
  29
  30 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  31
  32         * tree-chrec.c (chrec_apply): Should only apply to the specified
  33         variable.  Also handle multivariate chains of recurrences that
  34         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
  35
  36 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
  39         (debug_clast_name_indexes_1): Removed.
  40         (debug_clast_name_indexes): Removed.
  41         (pbb_to_depth_to_oldiv): Removed.
  42         (build_iv_mapping): Replace the use of rename_map with iv_map.
  43         (translate_clast_user): Remove uses of rename_map.  Allocate and
  44         free iv_map.
  45         (translate_clast_for_loop): Remove uses of rename_map.
  46         (translate_clast_for): Same.
  47         (translate_clast_guard): Same.
  48         (translate_clast): Same.
  49         (gloog): Same.
  50         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
  51         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
  52         * sese.c (set_rename): Now static.
  53         (rename_variables_in_stmt): Removed.
  54         (rename_uses): New.
  55         (is_parameter): Removed.
  56         (is_iv): Removed.
  57         (expand_scalar_variables_call): Removed.
  58         (expand_scalar_variables_ssa_name): Removed.
  59         (expand_scalar_variables_expr): Removed.
  60         (expand_scalar_variables_stmt): Removed.
  61         (expand_scalar_variables): Removed.
  62         (rename_variables): Removed.
  63         (remove_condition): Removed.
  64         (get_true_edge_from_guard_bb): Removed.
  65         (get_false_edge_from_guard_bb): Removed.
  66         (struct igp): Removed.
  67         (default_before_guard): Removed.
  68         (convert_for_phi_arg): Removed.
  69         (add_guard_exit_phis): Removed.
  70         (insert_guard_phis): Removed.
  71         (graphite_copy_stmts_from_block): Now also uses iv_map and a
  72         region.  Do not copy conditions.  Do not copy induction variables.
  73         Call rename_uses.
  74         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
  75         the translated statement.  Use the iv_map for the induction
  76         variable renaming.
  77         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
  78         (set_rename): Removed declaration.
  79         (scev_analyzable_p): ...here.
  80         * tree-chrec.c (chrec_apply_map): New.
  81         * tree-chrec.h (chrec_apply_map): Declared.
  82
  83 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
  86         insert_loop_close_phis.
  87         * sese.c (name_defined_in_loop_p): Removed.
  88         (expr_defined_in_loop_p): Removed.
  89         (alive_after_loop): Removed.
  90         (close_phi_not_yet_inserted_p): Removed.
  91         (struct alep): Removed.
  92         (add_loop_exit_phis): Removed.
  93         (insert_loop_close_phis): Removed.
  94
  95 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  96
  97         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
  98         condition.
  99         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 100
 101 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 102
 103         * gfortran.dg/graphite/id-20.f: New.
 104
 105 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 106
 107         * graphite-cloog-util.h: Added cloog.h.
 108         * graphite-blocking.c: Removed cloog.h.
 109         * graphite-dependences.c: Same.
 110         * graphite-interchange.c: Same.
 111         * graphite-poly.c: Same.
 112         * graphite-ppl.c: Same.
 113         * graphite-scop-detection.c: Same.
 114         * graphite-sese-to-poly.c:
 115         Removed cloog.h.
 116         Removed graphite-clast-to-gimple.h.
 117         (check_poly_representation): Removed (unused).
 118         * graphite-sese-to-poly.h
 119         (check_poly_representation): Removed (unused).
 120
 121 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 122
 123         * Makefile.in
 124         (OBJS-common): Added graphite-cloog-util.o.
 125         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 126         (graphite-cloog-util.o): New.
 127         (graphite-ppl.o): Added graphite-cloog-util.h.
 128         * graphite-clast-to-gimple.c:
 129         Added graphite-cloog-util.h to include statements.
 130         * graphite-cloog-util.c: New.
 131         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 132         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 133         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 134         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 135         (ppl_Constrain_System_number_of_constraints): Same.
 136         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 137         (oppose_constraint): Same.
 138         (cloog_matrix_to_ppl_constraint): Same.
 139         (new_Constraint_System_from_Cloog_Matrix): Same.
 140         (insert_constraint_into_matrix): Same. Declared static.
 141         * graphite-cloog-util.h: New.
 142         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 143         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 144         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 145         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 146         (insert_constraint_into_matrix): Same.
 147         * graphite-ppl.c:
 148         Added graphite-cloog-util.h to include statements.
 149         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 150         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 151         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 152         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 153         (insert_constraint_into_matrix): Same.
 154         (ppl_Constrain_System_number_of_constraints): Same.
 155         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 156         (oppose_constraint): Same.
 157         (cloog_matrix_to_ppl_constraint): Same.
 158         (new_Constraint_System_from_Cloog_Matrix): Same.
 159         * graphite-ppl.h:
 160         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 161         graphite-cloog-util.h.
 162         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 163         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 164         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 165         (insert_constraint_into_matrix): Removed.
 166
 167 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 168
 169         * graphite-clast-to-gimple.c
 170         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 171         (precision_for_interval): Same.
 172         (gcc_type_for_interval): Same.
 173         (compute_type_for_level): Same.
 174         * graphite-interchange.c
 175         (lst_interchange_profitable_p): Same.
 176         * graphite-poly.c
 177         (psct_scattering_dim_for_loop_depth): Same.
 178         * graphite-ppl.c
 179         (ppl_max_for_le_pointset): Same.
 180         (ppl_min_for_le_pointset): Same.
 181
 182 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 183
 184         * refined-regions.c (bb_index_compare): New.
 185         (get_bbs_in_region): New.
 186         (print_bbs_in_region): New.
 187         (print_refined_region): Add an argument that allows to print
 188         all basic blocks contained in regions.
 189         (debug_refined_region): Update call to print_refined_region.
 190         * refined-regions.h (print_refined_region): Update declaration.
 191         (get_bbs_in_region): Declared.
 192         * graphite-scop-detection.c (build_scops_new): Print the refined
 193         region tree into the Grahite dump file.
 194
 195 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 196
 197         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 198         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 199
 200 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 201
 202         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 203         rewrite_close_phi_out_of_ssa.
 204
 205         * gcc.dg/graphite/id-22.c: New.
 206
 207 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 208
 209         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 210
 211 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 212
 213         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 214         rename_map.
 215         * sese.c (debug_rename_map): Same.
 216         (get_rename): Same.
 217         (set_rename): Same.
 218         (rename_variables_in_stmt): Same.
 219         (expand_scalar_variables_call): Same.
 220         (expand_scalar_variables_ssa_name): Same.
 221         (expand_scalar_variables_expr): Same.
 222         (expand_scalar_variables_stmt): Same.
 223         (expand_scalar_variables): Same.
 224         (rename_variables): Same.
 225         (graphite_copy_stmts_from_block): Same.
 226         (copy_bb_and_scalar_dependences): Same.
 227
 228 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 229
 230         * graphite-clast-to-gimple.c (copy_renames): Removed.
 231         (translate_clast_for): Do not call copy_renames.
 232         (translate_clast_guard): Same.
 233
 234 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 235
 236         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 237         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 238         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 239         before rewrite_cross_bb_scalar_deps.
 240
 241 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 242
 243         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 244         Early return in when flag_associative_math is not set.
 245
 246 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * gcc.dg/graphite/run-id-2.c: Call abort.
 249
 250 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 251
 252         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 253         of SSA copies on edges except for loop->latch.
 254
 255 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 256
 257         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 258         Split out of rewrite_reductions_out_of_ssa.
 259         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 260         Declared.
 261         * graphite.c (graphite_transform_loops): Call it.
 262
 263 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 264
 265         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 266
 267 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 268
 269         * passes.c (init_optimization_passes): Add pass_graphite.
 270         Schedule a pass_copy_prop before pass_graphite_transforms.
 271         * timevar.def (TV_GRAPHITE): Declared.
 272         * tree-pass.h (pass_graphite): Declared.
 273         * tree-ssa-loop.c (pass_graphite): New.
 274
 275         * gcc.dg/graphite/id-20.c: New.
 276
 277 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 278
 279         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 280         Remove calls to rename_nb_iterations and rename_sese_parameters.
 281         * graphite-clast-to-gimple.h (gloog): Update declaration.
 282         * graphite.c (graphite_transform_loops): Update call to gloog.
 283         * sese.c (rename_variables_in_expr): Removed.
 284         (rename_nb_iterations): Removed.
 285         (rename_sese_parameters): Removed.
 286         * sese.h (rename_nb_iterations): Removed.
 287         (rename_sese_parameters): Removed.
 288
 289 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 290
 291         * graphite-clast-to-gimple.c (gloog): Remove call to
 292         sese_adjust_liveout_phis.
 293         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 294         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 295         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 296         rewrite_phi_out_of_ssa.
 297         * sese.c (get_vdef_before_sese): Removed.
 298         (sese_adjust_vphi): Removed.
 299         (sese_adjust_liveout_phis): Removed.
 300         * sese.h (sese_adjust_liveout_phis): Removed.
 301
 302 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 305         argument for the place after which to insert the out of SSA copy.
 306         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 307         (rewrite_phi_out_of_ssa): Same.
 308         (rewrite_cross_bb_scalar_deps): Same.
 309         (insert_copyout): Removed.
 310         (insert_copyin): Removed.
 311         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 312         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 313         insert_copyin.
 314
 315 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 316
 317         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 318         (rewrite_reductions_out_of_ssa): Same.
 319         (rewrite_commutative_reductions_out_of_ssa): Same.
 320         (build_poly_scop): Do not call these functions.
 321         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 322         (rewrite_reductions_out_of_ssa): Declared.
 323         (rewrite_commutative_reductions_out_of_ssa): Declared.
 324         * graphite.c (graphite_transform_loops): Call on every scop
 325         rewrite_commutative_reductions_out_of_ssa before calling
 326         rewrite_reductions_out_of_ssa and build_scop_bbs.
 327
 328 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 329
 330         * graphite-dependences.c (dot_deps): Make system call to dotty run
 331         in background.
 332         (dot_deps_stmt): Same.
 333         * graphite-poly.c (dot_lst): Same.
 334
 335 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 336
 337         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 338         old_type in parameter.
 339         (gcc_type_for_value): Update call to gcc_type_for_interval.
 340         (compute_type_for_level_1): Renamed compute_type_for_level.
 341         Update call to gcc_type_for_interval.
 342
 343 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 344
 345         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 346         the scev analysis when the variable is not used outside the loop
 347         in a close phi node: call compute_overall_effect_of_inner_loop.
 348
 349 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 350
 351         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 352         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 353         (build_sese_conditions_before): Renamed call to single_pred_cond.
 354         (build_sese_conditions_after): Same.
 355
 356 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 357
 358         * graphite-poly.h: Fix comments and indentation.
 359         * graphite-sese-to-poly.c: Same.
 360         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 361         * tree-chrec.c: Fix comments and indentation.
 362         (tree-ssa-loop-niter.c): Same.
 363
 364 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 365
 366         * refined-regions.c (create_region): Only initialize the region.
 367         (find_regions_with_entry): Initialize parent relation and bbmap
 368         correctly.
 369         (build_regions_tree): Set outermost_region to region instead of
 370         topmost_region.
 371         (calculate_region_tree): Remove unneeded parameters.
 372
 373 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 374
 375         * graphite-scop-detection.c (is_scop_p): New.
 376         (build_scops_new): New. A skeleton for the new scop detection.
 377         (build_scops_old): Renamed from build_scops.
 378         (build_scops): New version. Call the new and the old scop
 379         detection.
 380
 381 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 382             Antoniu Pop  <antoniu.pop@gmail.com>
 383
 384         * Makefile.in (OBJS-common): Add refined-regions.o.
 385         (refined-regions.o): New.
 386         (graphite-scop-detection.o): Use refined-regions.h.
 387         * graphite-scop-detection.c: Include refined-regions.h
 388         (build_scops): Also build the refined region tree.
 389         * refined-regions.c: New. Adds an algorithm to detect refined
 390         regions.
 391         (print_refined_region): New.
 392         (debug_refined_region): New.
 393         (refined_region_contains_bb_p): New.
 394         (refined_region_contains_region_p): New.
 395         (is_common_df): New.
 396         (struct find_regions_global_data): New.
 397         (is_region): New.
 398         (typedef struct bb_bb_def): New.
 399         (new_bb_bb_def): New.
 400         (bb_bb_map_hash): New.
 401         (eq_bb_bb_map): New.
 402         (find_new_bb): New.
 403         (bb_reg_def): New.
 404         (new_bb_reg_def): New.
 405         (bb_reg_map_hash): New.
 406         (eq_bb_reg_map): New.
 407         (find_new_region): New.
 408         (insert_new_reg): New.
 409         (insert_new_bb): New.
 410         (insert_shortcut): New.
 411         (get_next_postdom): New.
 412         (create_region): New.
 413         (find_regions_with_entry): New.
 414         (find_regions_adc): New.
 415         (find_regions): New.
 416         (get_topmost_parent): New.
 417         (build_regions_tree): New.
 418         (calculate_region_tree): New.
 419         (free_region_tree): New.
 420         * refined-regions.h: New.
 421         (struct refined_region): New.
 422         (calculate_region_tree): New.
 423         (free_region_tree): New.
 424         (refined_region_contains_bb_p): New.
 425         (refined_region_contains_region_p): New.
 426         (print_refined_region): New.
 427         (debug_refined_region): New.
 428
 429 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 430
 431         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 432         size_one_node.
 433
 434 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 435
 436         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 437         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 438
 439 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 442         phi_arg_in_outermost_loop.
 443         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 444         (remove_invariant_phi): Same.
 445
 446 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 447
 448         * graphite-blocking.c
 449         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 450         * graphite-clast-to-gimple.c
 451         (clast_to_gcc_expression): Same.
 452         (precision_for_value): Same.
 453         (precision_for_interval): Same.
 454         (gcc_type_for_interval): Same.
 455         (graphite_create_new_guard): Same.
 456         (compute_bounds_for_level): Same.
 457         (graphite_create_new_loop_guard): Same.
 458         * graphite-interchange.c
 459         (build_linearized_memory_access): Same.
 460         (pdr_stride_in_loop): Same.
 461         (memory_strides_in_loop_1): Same.
 462         (memory_strides_in_loop): Same.
 463         (extend_scattering): Same.
 464         (psct_scattering_dim_for_loop_depth): Same.
 465         (pbb_number_of_iterations): Same.
 466         * graphite-poly.h
 467         (debug_iteration_domains): Same.
 468         * graphite-ppl.c
 469         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 470         (ppl_set_inhomogeneous_gmp): Same.
 471         (ppl_strip_loop): Same.
 472         (ppl_lexico_compare_linear_expressions): Same.
 473         (ppl_read_polyhedron_matrix): Same.
 474         (ppl_max_for_le_pointset): Same.
 475         * graphite-ppl.h
 476         (ppl_read_polyhedron_matrix): Same.
 477         (tree_int_to_gmp): Same.
 478         (gmp_cst_to_tree): Same.
 479         (ppl_set_inhomogeneous): Same.
 480         (ppl_set_inhomogeneous_tree): Same.
 481         (ppl_set_coef): Same.
 482         (ppl_set_coef_tree): Same.
 483         * graphite-sese-to-poly.c
 484         (build_pbb_scattering_polyhedrons): Same.
 485         (build_scop_scattering): Same.
 486         (scan_tree_for_params_right_scev): Same.
 487         (scan_tree_for_params): Same.
 488         (find_params_in_bb): Same.
 489         (find_scop_parameters): Same.
 490         (add_upper_bounds_from_estimated_nit): Same.
 491         (build_loop_iteration_domains): Same.
 492         (add_condition_to_domain): Same.
 493         (pdr_add_memory_accesses): Same.
 494
 495 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 496
 497         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 498         CLooG's value_* macros to their respective mpz_* counterparts.
 499         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 500         (graphite_create_new_loop_guard): Same.
 501         * graphite-interchange.c (build_linearized_memory_access): Same.
 502         (pdr_stride_in_loop): Same.
 503         (memory_strides_in_loop_1): Same.
 504         (1st_interchange_profitable_p): Same.
 505         * graphite-poly.c (extend_scattering): Same.
 506         (psct_scattering_dim_for_loop_depth): Same.
 507         (pbb_number_of_iterations): Same.
 508         (pbb_number_of_iterations_at_time): Same.
 509         * graphite-poly.h (new_1st_loop): Same.
 510         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 511         (oppose_constraint): Same.
 512         (insert_constraint_into_matrix): Same.
 513         (ppl_set_inhomogeneous_gmp): Same.
 514         (ppl_set_coef_gmp): Same.
 515         (ppl_strip_loop): Same.
 516         (ppl_lexico_compare_linear_expressions): Same.
 517         (ppl_max_for_le_pointset): Same.
 518         (ppl_min_for_le_pointset): Same.
 519         (ppl_build_realtion): Same.
 520         * graphite-ppl.h (gmp_cst_to_tree): Same.
 521         (ppl_set_inhomogeneous): Same.
 522         (ppl_set_inhomogeneous_tree): Same.
 523         (ppl_set_coef): Same.
 524         (ppl_set_coef_tree): Same.
 525         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 526         (build_scop_scattering): Same.
 527         (add_value_to_dim): Same.
 528         (scan_tree_for_params_right_scev): Same.
 529         (scan_tree_for_params_int): Same.
 530         (scan_tree_for_params): Same.
 531         (find_params_in_bb): Same.
 532         (find_scop_parameters): Same.
 533         (add_upper_bounds_from_estimated_nit): Same.
 534         (build_loop_iteration_domains): Same.
 535         (create_linear_expr_from_tree): Same.
 536         (add_condition_to_domain): Same.
 537         (pdr_add_memory_accesses): Same.
 538
 539 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 540
 541         PR middle-end/43519
 542         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 543         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 544         When converting an unsigned type to signed, double its precision.
 545         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 546         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 547         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 548
 549 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         PR middle-end/43519
 552         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 553         build_nonstandard_integer_type.
 554         (gcc_type_for_interval): Same.
 555
 556 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         PR middle-end/43519
 559         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 560         POINTER_PLUS_EXPR for pointer types.
 561
 562         * gcc.dg/graphite/id-19.c: New.
 563
 564 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         PR middle-end/43519
 567         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 568         * graphite-clast-to-gimple.c: Include langhooks.h.
 569         (max_signed_precision_type): New.
 570         (max_precision_type): Takes two types as arguments.
 571         (precision_for_value): New.
 572         (precision_for_interval): New.
 573         (gcc_type_for_interval): New.
 574         (gcc_type_for_value): New.
 575         (gcc_type_for_clast_term): New.
 576         (gcc_type_for_clast_red): New.
 577         (gcc_type_for_clast_bin): New.
 578         (gcc_type_for_clast_expr): Split up into several functions.
 579         (gcc_type_for_clast_eq): Rewritten.
 580         (compute_bounds_for_level): New.
 581         (compute_type_for_level_1): New.
 582         (compute_type_for_level): New.
 583         (gcc_type_for_cloog_iv): Removed.
 584         (gcc_type_for_iv_of_clast_loop): Rewritten.
 585         (graphite_create_new_loop): Compute the lower and upper bound types
 586         with gcc_type_for_clast_expr.
 587         (graphite_create_new_loop_guard): Same.
 588         (find_cloog_iv_in_expr): Removed.
 589         (compute_cloog_iv_types_1): Removed.
 590         (compute_cloog_iv_types): Removed.
 591         (gloog): Do not call compute_cloog_iv_types.
 592         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 593         GBB_CLOOG_IV_TYPES.
 594         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 595         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 596         (GBB_CLOOG_IV_TYPES): Removed.
 597
 598         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 599
 600 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 601
 602         Reverted this commit: as at this point the loop closed SSA form
 603         is under a canonical form respecting the single argument condition.
 604         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 605         close phi nodes may have more than one argument.
 606
 607 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 608
 609         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 610         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 611         (detect_commutative_reduction): Same.
 612
 613 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 614
 615         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 616         close phi nodes may have more than one argument.
 617
 618 2010-03-30  Richard Guenther  <rguenther@suse.de>
 619             Zdenek Dvorak  <ook@ucw.cz>
 620             Sebastian Pop  <sebastian.pop@amd.com>
 621
 622         PR middle-end/43464
 623         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
 624         with multiple arguments.
 625         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
 626
 627 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * graphite-dependences.c (print_pddr): Call print_pdr with an
 630         extra argument.
 631         * graphite-poly.c (debug_pdr): Add an extra argument for the
 632         verbosity level.
 633         (print_pdr): Same.
 634         (print_pbb_domain): Same.
 635         (print_pbb): Same.
 636         (print_scop_context): Same.
 637         (print_scop): Same.
 638         (print_cloog): Same.
 639         (debug_pbb_domain): Same.
 640         (debug_pbb): Same.
 641         (print_pdrs): Same.
 642         (debug_pdrs): Same.
 643         (debug_scop_context): Same.
 644         (debug_scop): Same.
 645         (debug_cloog): Same.
 646         (print_scop_params): Same.
 647         (debug_scop_params): Same.
 648         (print_iteration_domain): Same.
 649         (print_iteration_domains): Same.
 650         (debug_iteration_domain): Same.
 651         (debug_iteration_domains): Same.
 652         (print_scattering_function): Same.
 653         (print_scattering_functions): Same.
 654         (debug_scattering_function): Same.
 655         (debug_scattering_functions): Same.
 656         * graphite-poly.h (debug_pdr): Update declaration.
 657         (print_pdr): Same.
 658         (print_pbb_domain): Same.
 659         (print_pbb): Same.
 660         (print_scop_context): Same.
 661         (print_scop): Same.
 662         (print_cloog): Same.
 663         (debug_pbb_domain): Same.
 664         (debug_pbb): Same.
 665         (print_pdrs): Same.
 666         (debug_pdrs): Same.
 667         (debug_scop_context): Same.
 668         (debug_scop): Same.
 669         (debug_cloog): Same.
 670         (print_scop_params): Same.
 671         (debug_scop_params): Same.
 672         (print_iteration_domain): Same.
 673         (print_iteration_domains): Same.
 674         (debug_iteration_domain): Same.
 675         (debug_iteration_domains): Same.
 676         (print_scattering_function): Same.
 677         (print_scattering_functions): Same.
 678         (debug_scattering_function): Same.
 679         (debug_scattering_functions): Same.
 680
 681 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 682
 683         * graphite-poly.c (print_scattering_function_1): New.
 684         (print_scattering_function): Call it.
 685         (print_scop_params): Remove spaces at the end of lines.
 686         (print_cloog): New.
 687         (debug_cloog): New.
 688         * graphite-poly.h (print_cloog): Declared.
 689         (debug_cloog): Declared.
 690
 691 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * tree-ssa-copy.c: Revert this previous change:
 694         (init_copy_prop): Loop closed phi nodes cancontain more than one
 695         argument.
 696         (execute_copy_prop): Revert the previous change: do not call
 697         rewrite_into_loop_closed_ssa.
 698
 699 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 700             Richard Guenther  <rguenther@suse.de>
 701
 702         PR middle-end/43464
 703         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
 704         contain more than one argument.
 705         (execute_copy_prop): Revert the previous change: do not call
 706         rewrite_into_loop_closed_ssa.
 707
 708         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
 709         * gcc.dg/graphite/id-pr43464-1.c: New.
 710
 711 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         PR middle-end/43464
 714         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
 715         and verify_loop_closed_ssa when copy prop is executed in the LNO.
 716
 717         * gcc.dg/graphite/id-pr43464.c: New.
 718
 719 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
 722         in loop->header.
 723         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
 724         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
 725         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
 726         to switch between adding the IV bump in loop->latch or in loop->header.
 727
 728 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         * passes.c (init_optimization_passes): Add pass_copy_prop
 731         after Graphite.
 732
 733 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-poly.c (print_scattering_function): Pretty print following
 736         the scoplib format.
 737         (print_pdr): Same.
 738         (print_pbb_domain): Same.
 739         (dump_gbb_cases): Same.
 740         (dump_gbb_conditions): Same.
 741         (print_pdrs): Same.
 742         (print_pbb): Same.
 743         (print_scop_params): Same.
 744         (print_scop_context): Same.
 745         (print_scop): Same.
 746         (print_pbb_body): New.
 747         (lst_indent_to): New.
 748         (print_lst): Start new lines with a #.
 749         * graphite-poly.h (pbb_bb): New.
 750         (pbb_index): Use pbb_bb.
 751         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
 752         disjuncts.
 753         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
 754
 755 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         PR middle-end/43351
 758         * gcc.dg/graphite/id-pr43351.c
 759
 760 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 761
 762         PR middle-end/43354
 763         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
 764         call insert_out_of_ssa_copy for default definitions.
 765         * gfortran.dg/graphite/id-pr43354.f: New.
 766
 767 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
 768
 769         PR middle-end/43349
 770         * gfortran.dg/graphite/pr43349.f: New.
 771
 772 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
 773
 774         * graphite-clast-to-gimple.c (my_long_long): Defined.
 775         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
 776         * graphite-sese-to-poly.c (my_long_long): Defined.
 777         (scop_ivs_can_be_represented): Use it.
 778
 779 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
 782         graphite-max-bbs-per-function, and loop-block-tile-size.
 783         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
 784         with "maximum".
 785         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
 786
 787 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
 790         forward declaration.
 791         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
 792         (add_upper_bounds_from_estimated_nit): New.
 793         (build_loop_iteration_domains): Use it.
 794
 795 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 796
 797         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
 798
 799 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 800
 801         PR middle-end/43306
 802         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
 803         should be an INTEGER_CST.  Also handle CASE_CONVERT.
 804         * gcc.dg/graphite/pr43306.c: New.
 805
 806 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 807
 808         * graphite.c (graphite_initialize): To bound the number of bbs per
 809         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
 810         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
 811         * doc/invoke.texi: Document it.
 812
 813 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 814
 815         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
 816         * graphite-sese-to-poly.h (build_poly_scop): Same.
 817
 818 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 819
 820         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 821         the number of parameters in the scop.  Use as an upper bound
 822         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 823         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 824         * doc/invoke.texi: Document it.
 825
 826 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         * graphite-sese-to-poly.c (add_param_constraints): Use
 829         lower_bound_in_type and upper_bound_in_type.
 830
 831 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 832
 833         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 834         instead of unsigned_type_node.
 835
 836 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 837             Reza Yazdani  <reza.yazdani@amd.com>
 838
 839         PR middle-end/43065
 840         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 841         on pointer type parameters.
 842
 843         * gcc.dg/graphite/run-id-4.c: New.
 844
 845 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 846
 847         PR middle-end/43065
 848         * gcc.dg/graphite/run-id-3.c: New.
 849
 850 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 851             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 852
 853         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 854         handle conversions from pointer to integers.
 855         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 856         induction variable, to be able to work with code generated by CLooG.
 857         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 858         (build_poly_scop): Bail out if we cannot codegen a loop.
 859
 860 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 861
 862         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 863         code generation with gloog_error.
 864
 865 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 866
 867         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 868         Call fold_convert on all the returned values.
 869         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 870         the type of the resulting expression.
 871
 872 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 873
 874         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 875         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 876         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 877
 878 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-dependences.c (map_into_dep_poly): Removed.
 881         (dependence_polyhedron_1): Use combine_context_id_scat.
 882
 883 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 884
 885         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 886         (struct poly_bb): Same.
 887         (combine_context_id_scat): New.
 888
 889 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         PR middle-end/42326
 892         * sese.c (name_defined_in_loop_p): Return false for default
 893         definitions.
 894
 895         * gcc.dg/graphite/pr42326.c: New.
 896
 897 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 900         and clean up the logic.
 901
 902 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 903
 904         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 905         early return.
 906
 907 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 908
 909         PR middle-end/43083
 910         * graphite-scop-detection.c (create_single_exit_edge): Move
 911         the call to find_single_exit_edge to....
 912         (create_sese_edges): ...here.  Don't handle multiple edges
 913         exiting the function.
 914         (build_graphite_scops): Don't handle multiple edges
 915         exiting the function.
 916
 917         * gcc.dg/graphite/pr43083.c: New.
 918
 919 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 920
 921         PR middle-end/43097
 922         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 923         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 924
 925         * gfortran.dg/graphite/pr43097.f: New.
 926
 927 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 928             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 929
 930         PR middle-end/43140
 931         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 932
 933 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         PR middle-end/43026
 936         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 937
 938         * g++.dg/graphite/pr43026.C: New.
 939
 940 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 941
 942         * Merge from mainline (154736:156693).
 943
 944 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 945
 946         PR middle-end/43012
 947         * gcc.dg/graphite/pr43012.c: New.
 948
 949 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 950
 951         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 952 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * g++.dg/graphite/pr42930.C: New.
 955
 956 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 957
 958         PR middle-end/42930
 959         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 960         graphite_can_represent_init for MULT_EXPR.
 961
 962 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 963
 964         PR middle-end/42914
 965         PR middle-end/42530
 966         * graphite-sese-to-poly.c (remove_phi): New.
 967         (translate_scalar_reduction_to_array): Call remove_phi.
 968
 969         * gcc.dg/graphite/pr42530.c: New.
 970         * gcc.dg/graphite/pr42914.c: New.
 971
 972 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 973
 974         PR middle-end/42771
 975         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 976         * graphite-clast-to-gimple.h (gloog): Update declaration.
 977         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 978         * graphite-poly.h (struct poly_bb): Add missing comments.
 979         (struct scop): Add poly_scop_p field.
 980         (POLY_SCOP_P): New.
 981         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 982         * graphite.c (graphite_transform_loops): Build the polyhedral
 983         representation for each scop before code generation.
 984         * sese.c (rename_variables_in_operand): Removed.
 985         (rename_variables_in_expr): Return the renamed expression.
 986         (rename_sese_parameters): New.
 987         * sese.h (rename_sese_parameters): Declared.
 988
 989         * gcc.dg/graphite/pr42771.c: New.
 990
 991 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 992
 993         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 994         return 0 from main.
 995         * gcc.dg/graphite/block-1.c: Same.
 996         * gcc.dg/graphite/block-3.c: Same.
 997         * gcc.dg/graphite/block-4.c: Same.
 998         * gcc.dg/graphite/block-5.c: Same.
 999         * gcc.dg/graphite/block-6.c: Same.
1000         * gcc.dg/graphite/block-7.c: Same.
1001         * gcc.dg/graphite/interchange-0.c: Same.
1002         * gcc.dg/graphite/interchange-1.c: Same.
1003         * gcc.dg/graphite/interchange-10.c: Same.
1004         * gcc.dg/graphite/interchange-11.c: Same.
1005         * gcc.dg/graphite/interchange-12.c: Same.
1006         * gcc.dg/graphite/interchange-2.c: Same.
1007         * gcc.dg/graphite/interchange-3.c: Same.
1008         * gcc.dg/graphite/interchange-4.c: Same.
1009         * gcc.dg/graphite/interchange-5.c: Same.
1010         * gcc.dg/graphite/interchange-6.c: Same.
1011         * gcc.dg/graphite/interchange-7.c: Same.
1012         * gcc.dg/graphite/interchange-8.c: Same.
1013         * gcc.dg/graphite/interchange-9.c: Same.
1014         * gcc.dg/graphite/interchange-mvt.c: Same.
1015
1016 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1017
1018         * gfortran.dg/graphite/id-19.f: New.
1019         * gfortran.dg/graphite/pr14741.f90: New.
1020         * gfortran.dg/graphite/pr41924.f90: New.
1021         * gfortran.dg/graphite/run-id-2.f90: New.
1022
1023 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         PR middle-end/42988
1026         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1027         to unknown_dependence.
1028         (graphite_legal_transform_dr): Handle the unknown_dependence.
1029         (graphite_carried_dependence_level_k): Same.
1030
1031 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1032
1033         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1034
1035 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1036             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1037
1038         PR middle-end/42637
1039         * graphite-dependences.c (build_lexicographical_constraint): Return
1040         a union of dependence polyhedra.
1041         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1042
1043         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1044         * gcc.dg/graphite/block-4.c: Same.
1045         * gcc.dg/graphite/block-7.c: Same.
1046         * gcc.dg/graphite/interchange-12.c: Same.
1047         * gcc.dg/graphite/interchange-mvt.c: Same.
1048         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1049         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1050         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1051
1052 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1053
1054         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1055         the execution check to FAIL.  This testcase is miscompiled by Graphite
1056         and the check should be re-enabled.
1057         * gcc.dg/graphite/interchange-mvt.c: Same.
1058         * gcc.dg/graphite/block-0.c: Same.
1059         * gcc.dg/graphite/block-4.c: Same.
1060         * gcc.dg/graphite/block-7.c: Same.
1061
1062 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1063
1064         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1065         * gcc.dg/graphite/scop-0.c: Fix spaces.
1066         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1067         * gfortran.dg/graphite/block-2.f: Same.
1068         * gfortran.dg/graphite/block-3.f90: Same.
1069         * gfortran.dg/graphite/block-4.f90: Same.
1070         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1071         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1072
1073 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1074
1075         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1076         PDDR_ORIGINAL_SCATTERING_P.
1077         (pddr_is_empty): Rewritten.
1078         (print_dependence_polyhedron_layout): New.
1079         (print_pddr): New.
1080         (debug_pddr): New.
1081         (build_alias_set_powerset): Moved up.
1082         (poly_drs_may_alias_p): Moved up.
1083         (lexicographically_gt_p): Removed.
1084         (build_lexicographically_gt_constraint): Renamed
1085         build_lexicographical_constraint, reimplemented.
1086         (dependence_polyhedron_1): Simplified parameters.
1087         (dependence_polyhedron): Same.  Keep along empty PDDRs
1088         to make efficient use of the cache.
1089         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1090         (graphite_legal_transform_dr): Rewritten.
1091         (graphite_legal_transform_bb): Pass fewer arguments to
1092         graphite_legal_transform_dr.
1093         (graphite_carried_dependence_level_k): Simplified implementation.
1094         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1095         (dot_transformed_deps_stmt_1): Same.
1096         (dot_original_deps): Same.
1097         (dot_transformed_deps): Same.
1098         * graphite-dependences.h (struct poly_ddr): Added a new field
1099         original_scattering_p.
1100         (PDDR_ORIGINAL_SCATTERING_P): New.
1101         (print_pddr): Declared.
1102         (debug_pddr): Declared.
1103         * graphite-ppl.c: Clarify comment.
1104         * sese.h (print_gimple_bb): Removed unused declaration.
1105         (debug_gbb): Same.
1106
1107 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * g++.dg/graphite/graphite.exp: Rewritten.
1110         * gcc.dg/graphite/graphite.exp: Rewritten.
1111         * gfortran.dg/graphite/graphite.exp: Rewritten.
1112         * gcc.dg/graphite/block-0.c: Added runtime test.
1113         * gcc.dg/graphite/block-1.c: Same.
1114         * gcc.dg/graphite/block-3.c: Same.
1115         * gcc.dg/graphite/block-4.c: Same.
1116         * gcc.dg/graphite/block-5.c: Same.
1117         * gcc.dg/graphite/block-6.c: Same.
1118         * gcc.dg/graphite/block-7.c: Same.
1119         * gcc.dg/graphite/interchange-0.c: Same.
1120         * gcc.dg/graphite/interchange-1.c: Same.
1121         * gcc.dg/graphite/interchange-10.c: Same.
1122         * gcc.dg/graphite/interchange-11.c: Same.
1123         * gcc.dg/graphite/interchange-12.c: Same.
1124         * gcc.dg/graphite/interchange-2.c: Same.
1125         * gcc.dg/graphite/interchange-3.c: Same.
1126         * gcc.dg/graphite/interchange-4.c: Same.
1127         * gcc.dg/graphite/interchange-5.c: Same.
1128         * gcc.dg/graphite/interchange-6.c: Same.
1129         * gcc.dg/graphite/interchange-7.c: Same.
1130         * gcc.dg/graphite/interchange-8.c: Same.
1131         * gcc.dg/graphite/interchange-9.c: Same.
1132         * gcc.dg/graphite/interchange-mvt.c: Same.
1133         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1134
1135 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1136
1137         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1138           background.
1139
1140 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1141
1142         * common.opt: Add -fgraphite-cloog-opts.
1143         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1144         * opts.c (decode_options): Same.
1145
1146 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * gcc.dg/graphite/id-17.c: New.
1149         * gcc.dg/graphite/pr41888.c: New.
1150         * gcc.dg/graphite/scop-22.c: New.
1151         * gfortran.dg/graphite/pr40982.f90: New.
1152
1153 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * graphite-dependences.c: Clarify comments.
1156         (build_pddr): Add an extra parameter direction.
1157         (graphite_legal_transform_dr): Use build_pddr.
1158         (dot_original_deps_stmt_1): Update use of build_pddr.
1159         (dot_transformed_deps_stmt_1): Same.
1160         (dot_original_deps): Same.
1161         (dot_transformed_deps): Same.
1162
1163         * gcc.dg/graphite/interchange-12.c: New.
1164         * gcc.dg/graphite/block-7.c: New.
1165
1166 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1169         (pddr_transformed_scattering): Removed.
1170         (graphite_legal_transform_dr): Use build_pddr.
1171         (dot_original_deps_stmt_1): Same.
1172         (dot_transformed_deps_stmt_1): Same.
1173         (dot_original_deps): Same.
1174         (dot_transformed_deps): Same.
1175
1176 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1177
1178         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1179         (build_lexicographically_gt_constraint): Same.
1180         (dependence_polyhedron_1): Same.
1181         (dependence_polyhedron): Same.
1182
1183 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1186         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1187         (lexicographically_gt_p): Change type of direction to int.
1188         (build_lexicographically_gt_constraint): Same.
1189         (dependence_polyhedron_1): Same.
1190         (dependence_polyhedron): Same.
1191         (pddr_original_scattering): Use integers for direction.
1192         (pddr_transformed_scattering): Same.
1193         (graphite_legal_transform_dr): Same.
1194         (graphite_carried_dependence_level_k): Same.
1195
1196 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1197
1198         * graphite-dependences.c (build_pairwise_constraint): Renamed
1199         ppl_build_relation.  Moved...
1200         (dr_equality_constraints): Use ppl_build_relation.
1201         (build_pairwise_scheduling_equality): Same.
1202         (build_pairwise_scheduling_inequality): Same.
1203         * graphite-ppl.c (ppl_build_relation): ...here.
1204         * graphite-ppl.h (ppl_build_relation): Declared.
1205
1206 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         PR middle-end/42681
1209         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1210         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1211         Set gloog_error when such an expression failed to be built.
1212         (translate_clast): Early return when gloog_error is set.
1213         (gloog): Clear gloog_error.  When gloog_error is set, call
1214         set_ifsese_condition to enable the original code.  Return the status
1215         of the code generation based on gloog_error.
1216         * sese.c (set_ifsese_condition): New.
1217         * sese.h (set_ifsese_condition): Declared.
1218
1219         * g++.dg/graphite/pr42681.C: New.
1220
1221 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1222
1223         PR middle-end/42732
1224         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1225         rename_nb_iterations.
1226         * sese.c (rename_variables_in_operand): New.
1227         (rename_variables_in_expr): New.
1228         (rename_nb_iterations): New.
1229         (sese_adjust_liveout_phis): Update the rename_map.
1230         * sese.h (rename_nb_iterations): Declared.
1231         * tree-scalar-evolution.c (scev_reset_htab): New.
1232         (scev_reset): Call scev_reset_htab.
1233         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1234
1235         * gfortran.dg/graphite/pr42732.f: New.
1236
1237 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         PR middle-end/42393
1240         * graphite-clast-to-gimple.c: Fix formatting.
1241         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1242         (expr_defined_in_loop_p): New.
1243         (add_loop_exit_phis): Also handle full expressions: remove from
1244         the rename_map the expressions defined in the loop that we're closing.
1245
1246         * gfortran.dg/graphite/pr42393-1.f90: New.
1247         * gfortran.dg/graphite/pr42393.f90: Add new flags
1248         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1249         make this testcase useful in the Graphite branch.
1250
1251 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * graphite-scop-detection.c (exclude_component_ref): Removed.
1254         (is_simple_operand): Removed.
1255         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1256
1257 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         PR middle-end/42221
1260         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1261         the array indexing of ADDR_EXPRs.
1262
1263         * gcc.dg/graphite/pr42221.c: New.
1264
1265 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1266
1267         PR middle-end/42521
1268         * graphite.c (graphite_finalize): Call scev_reset.
1269         (graphite_transform_loops): Do not call scev_reset between the code
1270         generation of scops.
1271
1272         * gcc.dg/graphite/pr42521.c: New.
1273
1274 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-interchange.c (memory_stride_in_loop): Renamed
1277         pdr_stride_in_loop.
1278         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1279         (memory_strides_in_loop): Memoize the memory strides per loop.
1280         (lst_interchange_profitable_p): Do not initialize to zero the memory
1281         strides.
1282         * graphite-poly.h (struct lst): Add a field memory_strides.
1283         (LST_LOOP_MEMORY_STRIDES): New.
1284         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1285         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1286
1287 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1290         memory_strides_in_loop.  Gather memory strides on a whole loop.
1291         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1292         (lst_interchange_profitable_p): Removed.
1293         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1294
1295 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1296
1297         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1298         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1299         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1300         Remove context_loop and level.
1301
1302 2010-01-07  Richard Guenther  <rguenther@suse.de>
1303
1304         PR tree-optimization/42641
1305         * sese.c (rename_map_elt_info): Use the SSA name version, do
1306         not hash pointers.
1307
1308 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1311         blocked" only when both the strip mine and the interchange have
1312         been applied.
1313
1314         * gcc.dg/graphite/block-2.c: Removed.
1315         * gcc.dg/graphite/block-3.c: Add scan pattern.
1316         * gcc.dg/graphite/block-4.c: Same.
1317         * gcc.dg/graphite/block-5.c: Same.
1318         * gcc.dg/graphite/block-6.c: Same.
1319
1320 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1323         before allocating a new one.
1324         (copy_renames): Check that slot is not NULL.
1325         (mark_bb_with_pbb): Same.
1326         (compute_cloog_iv_types_1): Same.
1327         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1328         nest, and after LSTs.
1329         (lst_try_interchange_loops): Same.
1330
1331 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         PR middle-end/42178
1334         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1335         the before, nest, and after LSTs.
1336         (lst_try_interchange): Removed.
1337         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1338         were modified.
1339         (lst_interchange_select_outer): Apply interchange on the outer loop
1340         until there are no more changes in the inner loops.
1341
1342 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1343
1344         Revert patch fixing PR middle-end/42221.
1345
1346 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1347
1348         PR middle-end/42180
1349         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1350         GIMPLE_CALL.
1351
1352         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1353
1354 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1355
1356         PR middle-end/42180
1357         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1358         that contain only one statement.
1359
1360         * gfortran.dg/graphite/pr42180.f90: New.
1361
1362 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1363
1364         PR middle-end/42393
1365         * gfortran.dg/graphite/pr42393.f90: New.
1366
1367 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1368
1369         PR middle-end/42186
1370         * gfortran.dg/graphite/pr42186.f90: New.
1371
1372 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         PR middle-end/42205
1375         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1376         Insert the reduction copy in the same block as the phi node.
1377         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1378
1379         * gcc.dg/graphite/pr42205-1.c: New.
1380         * gcc.dg/graphite/pr42205-2.c: New.
1381
1382 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1383
1384         PR middle-end/42221
1385         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1386         the array indexing of ADDR_EXPRs.
1387
1388         * gcc.dg/graphite/pr42221.c: New.
1389
1390 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         PR middle-end/42178
1393         PR middle-end/42334
1394         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1395         index.  Call lst_interchange_select_inner only once.
1396         (lst_interchange_select_inner): Update use of lst_try_interchange.
1397         (lst_interchange_select_outer): Update.
1398
1399 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         PR middle-end/42178
1402         PR middle-end/42334
1403         * graphite-interchange.c (lst_try_interchange): Do not increment the
1404         the OUTER index when there is no AFTER kernel.  Do not increment the
1405         OUTER index for after processing the AFTER kernel.
1406         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1407         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1408         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1409         (scop_do_interchange): Update use of lst_interchange_select_outer.
1410
1411         * gfortran.dg/graphite/graphite.exp
1412         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1413         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1414         the graphite dump file.
1415         * gfortran.dg/graphite/interchange-2.f: Same.
1416         * gfortran.dg/graphite/pr42334-1.f: New.
1417
1418 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1419
1420         PR middle-end/42178
1421         PR middle-end/42334
1422         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1423         that are empty.
1424         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1425         (lst_try_interchange): Reimplemented.
1426         (lst_interchange_select_inner): Same.
1427         (lst_do_interchange): Renamed lst_interchange_select_outer.
1428         Reimplemented.
1429         (scop_do_interchange): Update use of lst_interchange_select_outer.
1430
1431         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1432         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1433         * gcc.dg/graphite/pr42211.c: New.
1434         * gfortran.dg/graphite/pr42334.f90: New.
1435
1436 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         PR middle-end/42181
1439         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1440         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1441
1442         * gfortran.dg/graphite/pr42181.f90: New.
1443
1444 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1445
1446         PR middle-end/42284
1447         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1448         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1449         (detect_commutative_reduction_arg): Simplified.
1450         (detect_commutative_reduction): Early return when the argument of
1451         the close phi is not of an SSA_NAME.
1452
1453         * gcc.dg/graphite/pr42284.c: New.
1454
1455 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1456
1457         * dbgcnt.def (graphite_scop): New counter.
1458         * graphite.c: Include dbgcnt.h
1459         (graphite_transform_loops): Use new counter to limit transformations.
1460
1461 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1462
1463         PR middle-end/42285
1464         * graphite-scop-detection.c (graphite_can_represent_init): Also
1465         handle more complex MULT_EXPRs containing parameters by recursion
1466         on the structure.
1467
1468         * gfortran.dg/graphite/pr42285.f90: New.
1469
1470 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1471
1472         * g++.dg/graphite/pr42130.C: Fix type.
1473
1474 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1475
1476         * g++.dg/graphite/pr42130.C: Correct testcase.
1477
1478 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1479
1480         * Merge from mainline (154493:154734).
1481
1482 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1483
1484         * Merge from mainline (151362:154491).
1485
1486 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1487
1488         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1489         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1490
1491 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1492
1493         PR middle-end/42130
1494         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1495         translate_clast_for_loop): New.
1496         (translate_clast_for): Add a condition around the loop, to do not
1497         execute loops with zero iterations.
1498         * g++.dg/graphite/pr42130.C: New.
1499         * gcc.dg/graphite/pr35356-2.c: Adapt.
1500
1501 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1502
1503         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1504         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1505         Remove context_loop and level.
1506
1507 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1508
1509         * graphite-clast-to-gimple.c (translate_clast_user,
1510         translate_clast_for, translate_clast_guard): Simplify and move common
1511         elements to translate_clast().
1512         (translate_clast): Simplify and get common elements.
1513
1514 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1515
1516         * graphite-clast-to-gimple.c (translate_clast_user,
1517         translate_clast_for, translate_clast_guard): Split out of
1518         translate_clast.
1519
1520 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1521
1522         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1523         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1524         debug_clast_name_indexes_1, debug_clast_name_indexes,
1525         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1526         (clast_name_to_gcc, clast_to_gcc_expression,
1527         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1528         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1529         graphite_create_guard_cond_expr, graphite_create_new_loop,
1530         translate_clast): Add params_index.
1531         (initialize_cloog_names): Create parameter strings from scratch, do
1532         not reference other strings.
1533         (create_params_index): New.
1534         (gloog): Initialize params_index.
1535         * graphite-scop-detection (free_scops_1): Removed.
1536         (limit_scops): Use normal free_scops.
1537         * graphite-sese-to-poly.c (save_var_names): Removed.
1538         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1539         and SESE_PARAMS_INDEX.
1540         * sese.c (new_sese, free_sese): Dito.
1541         * sese.h (struct sese): Remove params_index, params_names.
1542         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1543
1544 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         Revert the following patch from 2009-09-14:
1547         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1548         tree-scalar-evolution.h, and then tree-data-ref.h.
1549         * graphite-clast-to-gimple.c: Same.
1550         * graphite-dependences.c: Same.
1551         * graphite-interchange.c: Same.
1552         * graphite-poly.c: Same.
1553         * graphite-scop-detection.c: Same.
1554         * graphite-sese-to-poly.c: Same.
1555         * graphite.c: Same.
1556         * lambda-code.c: Same.
1557         * matrix-reorg.c: Same.
1558         * tree-data-ref.c: Same.
1559         * tree-if-conv.c: Same.
1560         * tree-loop-distribu: Same.: Same.
1561         * tree-loop-linear.c: Same.
1562         * tree-parloops.c: Same.
1563         * tree-predcom.c: Same.
1564         * tree-vect-patterns.c: Same.
1565
1566 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1567
1568         Revert patch from 2009-09-14.
1569         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1570         passes at -O1 and below.
1571
1572 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         PR middle-end/40281
1575         * gcc.dg/graphite/pr40281.c: New.
1576
1577         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1578         evolutions should not variate in inner loops.
1579
1580 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         PR middle-end/42050
1583         * gfortran.dg/graphite/pr42050.f90: New.
1584
1585 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1586
1587         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1588         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1589
1590 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * graphite-blocking.c (scop_do_block): New.
1593         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1594         * graphite-poly.h (scop_do_block): Declared.
1595
1596 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1597
1598         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1599         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1600         to transform depth into the time_depth before calling
1601         pbb_number_of_iterations_at_time.
1602         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1603         lst_depth.
1604
1605 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1606
1607         Reverted the patch for "scattering permutations" from 2009-10-28.
1608
1609         * graphite-poly.c (print_permutation): New.
1610         (debug_permutation): New.
1611         (new_poly_bb): Initialize PBB_PERMUTATION.
1612         (free_poly_bb): Free PBB_PERMUTATION.
1613         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1614         (struct pbb_permutation_elt): New.
1615         (PBB_PERMUTATION_ELT_STRIDE): New.
1616         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1617         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1618         (new_pbb_permutation_elt): New.
1619         (pbb_permutation_elt_free): New.
1620         (struct poly_bb): Add field permutation.
1621         (PBB_PERMUTATION): New.
1622         (print_permutation): Declared.
1623         (debug_permutation): Declared.
1624
1625 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1626
1627         * graphite-interchange.c (build_partial_difference): New.
1628         (memory_stride_in_loop): Refactored the computation of
1629         equality constraints into build_partial_difference function.
1630         Added support for debugging stride computations.
1631
1632 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1633
1634         * graphite-clast-to-gimple.c (gloog): Free if_region,
1635         if_region->true_region, and if_region->region.
1636         * sese.c (if_region_set_false_region): Free if_region->false_region.
1637         (create_if_region_on_edge): Do not use GGC_NEW.
1638         (move_sese_in_condition): Remove useless initialization.
1639
1640 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1641
1642         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1643         for the loops created by the loop distribution.  Do not modify the
1644         input LSTs.
1645         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1646         transformed schedule.  Call lst_update_scattering before data
1647         dependence analysis.
1648         (lst_try_interchange): Pass an extra parameter INDEX.
1649         (lst_do_interchange_1): New.
1650         (lst_do_interchange): Call lst_do_interchange_1.
1651         (scop_do_interchange): Call lst_update_scattering.
1652         * graphite-poly.c (apply_poly_transforms): Do not call
1653         lst_update_scattering.
1654         * graphite-poly.h (lst_pred): New.
1655         (lst_succ): New.
1656         (lst_find_first_pbb): Return NULL when not found.
1657         (lst_empty_p): New.
1658         (lst_insert_in_sequence): Allow LST1 to be NULL.
1659         (lst_replace): New.
1660         (lst_substitute_3): New.
1661         * gcc.dg/graphite/interchange-1.c: XFail.
1662         * gcc.dg/graphite/interchange-8.c: XFail.
1663         * gcc.dg/graphite/interchange-11.c: XFail.
1664
1665 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1666
1667         * graphite-interchange.c (lst_perfectly_nested_p): New.
1668         (lst_perfect_nestify): New.
1669         (lst_try_interchange_loops): Call store_lst_schedule,
1670         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1671         (scop_do_interchange): Avoid redundant legality test.
1672         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1673         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1674         * graphite-poly.h (psct_static_dim): New.
1675         (lst_dewey_number_at_depth): New.
1676         (lst_find_pbb): Restructured.
1677         (lst_find_first_pbb): Restructured.
1678         (lst_find_last_pbb): New.
1679         (lst_contains_p): New.
1680         (lst_contains_pbb): New.
1681         (lst_create_nest): New.
1682         (lst_remove_from_sequence): New.
1683         (pbb_update_scattering): New.
1684         (lst_update_scattering_under): New.
1685         (lst_update_scattering_seq): New.
1686         (lst_update_scattering): New.
1687         (lst_insert_in_sequence): New.
1688         (lst_distribute_lst): New.
1689         (lst_remove_all_before_including_pbb): New.
1690         (lst_remove_all_before_excluding_pbb): New.
1691
1692 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1693
1694         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1695         get_loop_exit_edges.
1696
1697 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1698
1699         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1700
1701 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1702
1703         * graphite-poly.c (print_permutation): New.
1704         (debug_permutation): New.
1705         (new_poly_bb): Initialize PBB_PERMUTATION.
1706         (free_poly_bb): Free PBB_PERMUTATION.
1707         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1708         (struct pbb_permutation_elt): New.
1709         (PBB_PERMUTATION_ELT_STRIDE): New.
1710         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1711         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1712         (new_pbb_permutation_elt): New.
1713         (pbb_permutation_elt_free): New.
1714         (struct poly_bb): Add field permutation.
1715         (PBB_PERMUTATION): New.
1716         (print_permutation): Declared.
1717         (debug_permutation): Declared.
1718
1719 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         * graphite-clast-to-gimple.c (gloog): Do not call
1722         sese_reset_aux_in_loops.
1723         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1724         extra argument for domains.  Do not use loop->aux.
1725         (build_scop_iteration_domain): Initialize and free domains, pass it
1726         to build_loop_iteration_domains and extract the information from
1727         domains.  Do not use loop->aux.
1728         * sese.c (sese_reset_aux_in_loops): Removed.
1729         * sese.h (sese_reset_aux_in_loops): Removed.
1730
1731 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1734         (dependency_in_loop_p): Same.
1735         (translate_clast): Do not use loop->aux.  Initialize
1736         loop->can_be_parallel.
1737         (mark_loops_parallel): Removed.
1738         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1739         * graphite.c (free_aux_in_new_loops): Removed.
1740         (graphite_finalize): Do not call free_aux_in_new_loops.
1741         (graphite_transform_loops): Do not call mark_loops_parallel.
1742
1743 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1744
1745         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1746         (translate_clast): Pass an extra parameter LEVEL.
1747         Call get_scattering_level.
1748         * graphite-clast-to-gimple.h (get_scattering_level): New.
1749
1750 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1751
1752         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1753         * cfgloop.h (struct loop): New field single_iv.
1754
1755         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1756         loop->aux anymore: use loop->single_iv.
1757         (graphite_loop_normal_form): Moved...
1758         (build_graphite_loop_normal_form): Removed.
1759         (gloog): Do not call build_graphite_loop_normal_form.
1760         (free_aux_in_new_loops): Moved...
1761         (mark_loops_parallel): Restructure.
1762         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1763         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1764         (scop_canonicalize_loops): New.
1765         (build_poly_scop): Call scop_canonicalize_loops.
1766         * graphite.c (free_aux_in_new_loops): ...here.
1767
1768 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1769
1770         * g++.dg/graphite/graphite.exp: Add the same rules as in
1771         gcc.dg/graphite/graphite.exp.
1772
1773 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         * g++.dg/graphite/id-1.C: New.
1776
1777 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1778
1779         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1780         argument base_name.
1781         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1782         (rewrite_phi_out_of_ssa): Same.
1783         (rewrite_cross_bb_scalar_deps): Same.
1784         (translate_scalar_reduction_to_array): Same.
1785
1786 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1789         dump_alias_graphs.
1790
1791 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1792
1793         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1794         (build_scop_drs): Call dump_alias_graphs.
1795
1796 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1799         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1800         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1801         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1802         * graphite-poly.h (free_lst): New.
1803         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1804         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1805
1806 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * graphite-poly.h (struct scop): Add a field saved_schedule.
1809         (SCOP_SAVED_SCHEDULE): New.
1810         (store_lst_schedule): New.
1811         (restore_lst_schedule): New.
1812         (store_scattering): Call store_lst_schedule.
1813         (restore_scattering): Call restore_lst_schedule.
1814
1815 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1818         (pdr_add_alias_set): Same.
1819         (build_poly_dr): Same.
1820         (build_alias_set_optimal_p): Same.
1821         (build_base_obj_set_for_drs): Same.  Do not store the result of
1822         graphds_dfs.
1823
1824 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1827         all_components_are_cliques to 1.
1828
1829 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1830
1831         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1832         the new structure.
1833         (pdr_add_alias_set): Update retrieving alias_set_num.
1834         (build_poly_dr): Update retrieving dr_base_object_set.
1835         (partition_drs_to_sets): Remove.
1836         (build_alias_set_optimal_p): New.
1837         (build_alias_set_for_drs): Rename.
1838         (build_scop_drs): Update.
1839         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1840         (ALIAS_SET_INDEX): Remove.
1841         (BASE_OBJECT_SET_INDEX): Remove.
1842
1843 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1844
1845         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1846
1847 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1848
1849         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1850         loop upper bounds for 1-element arrays at end of structures.
1851         * tree-flow.h (array_at_struct_end_p): Declared.
1852         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1853
1854 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * g++.dg/graphite/pr41305.C: New.
1857
1858 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1859
1860         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1861         construction of parameter constraints from loop iteration analysis.
1862         * gcc.dg/graphite/run-id-2.c: New test.
1863
1864 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1867         and new_cstr.
1868
1869 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1870
1871         * graphite-dependences.c (dependence_polyhedron_1): Remove
1872         unused gdim dimensions from the DDR polyhedron.
1873
1874 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1875
1876         * graphite-dependences.c (pddr_transformed_scattering): New.
1877         (dot_original_deps_stmt_1): New.
1878         (dot_transformed_deps_stmt_1): New.
1879         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1880         dot_transformed_deps_stmt_1.
1881         (dot_original_deps): New.
1882         (dot_transformed_deps): New.
1883         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1884
1885 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * graphite-dependences.c (reduction_dr_1): Remove wrong
1888         assert: reduction BBs can have multiple reduction writes
1889         to memory.  interchange-3.f90 is an example.
1890
1891 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1892
1893         * gfortran.dg/graphite/interchange-3.f90: New.
1894
1895 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1896
1897         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1898
1899 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1900
1901         * graphite-dependences.c (dependence_polyhedron_1): Add the
1902         context to the dependence polyhedron.
1903
1904 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1905
1906         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1907         PBB_PDR_DUPLICATES_REMOVED.
1908         (new_poly_bb): Same.
1909
1910 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1911
1912         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1913         SCOP_CONTEXT.
1914         (build_loop_iteration_domains): Extract bounds on parameters
1915         based on the data size.
1916         (build_scop_context): Do not initialize SCOP_CONTEXT;
1917         add new constraints.
1918
1919 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1920
1921         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1922         * graphite-ppl.h (graphite-ppl.h): Declared.
1923
1924 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * graphite-ppl.c (ppl_print_linear_expr): New.
1927         (debug_ppl_linear_expr): New.
1928         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1929         (debug_ppl_linear_expr): Declared.
1930
1931 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-interchange.c: Fix comments.
1934         * gcc.dg/graphite/block-1.c: Fix comments.
1935
1936 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1937
1938         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1939         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1940
1941 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         Reapply the patch from Alexander Monakov that disappeared during
1944         the last merges from trunk.
1945
1946         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1947
1948         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1949         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1950
1951 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1952
1953         * graphite-interchange.c (memory_stride_in_loop): The depth
1954         argument corresponds to a dynamic time dimension, so use
1955         psct_dynamic_dim to refer to the transformed scattering dimension.
1956
1957 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1960
1961 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1964         root of the LST.
1965         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1966         the root of the LST.
1967         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1968         fake loop.
1969         (print_lst): Print the root of LST in a different format.
1970         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1971
1972 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1973
1974         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1975
1976 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1977
1978         * doc/passes.texi: Document the Graphite infrastructure.
1979
1980 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1981
1982         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1983         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1984         and check the SSA representation.
1985
1986         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1987
1988 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1991
1992 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1993
1994         * gcc.dg/graphite/interchange-11.c: New.
1995
1996 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1997
1998         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1999
2000 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2001
2002         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2003         Add -fno-loop-strip-mine and -fno-loop-interchange.
2004         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2005         -fno-loop-strip-mine.
2006         * gfortran.dg/graphite/graphite.exp: Same.
2007
2008 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2009
2010         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2011         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2012         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2013         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2014         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2015         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2016         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2017         DEFAULT_FLAGS_GRAPHITE_SCOP.
2018         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2019         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2020
2021 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2022
2023         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2024
2025 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2026             Sebastian Pop  <sebastian.pop@amd.com>
2027
2028         * graphite-interchange.c (build_linearized_memory_access): Pass an
2029         offset as parameter.
2030         (memory_stride_in_loop): Include transform scattering in the
2031         access functions to be able to querry the strides in the
2032         transformed loops.
2033         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2034         not the psct_iterator_dim.
2035
2036 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2039         (lst_do_strip_mine_loop): New.
2040         (lst_do_strip_mine): New.
2041         (scop_do_strip_mine): Call lst_do_strip_mine.
2042         * graphite-poly.h (lst_add_loop_under_loop): New.
2043         (lst_find_first_pbb): New.
2044
2045 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         * graphite-poly.c (loop_to_lst): Fix LST creation.
2048
2049 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2050
2051         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2052         sizeof(unsigned long) to make it run on 32bit systems.
2053
2054 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2055
2056         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2057         SEGFAULT on 32bit.
2058
2059 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2060
2061         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2062         Comment.
2063         (write_alias_graph_to_ascii_dot): New.
2064         (write_alias_graph_to_ascii_ecc): Ditto.
2065         (partition_drs_to_sets): Add testing of optimality of current method
2066         which assigns alias numbers according to DFS Comopnent number.  used
2067         as heuristic for the upcoming ECC algorithm.
2068         (build_scop_drs): Write to file also with the ecc and dot format.
2069
2070 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2071
2072         * gfortran.dg/graphite/interchange-1.f: XFail.
2073
2074 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2075
2076         * graphite.c (graphite_initialize): Do not handle functions with
2077         more than 100 basic blocks.
2078
2079 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2080
2081         * graphite-blocking.c (pbb_do_strip_mine): Use
2082         PARAM_LOOP_BLOCK_TILE_SIZE.
2083
2084 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * graphite-poly.c (dot_lst_1): New.
2087         (dot_lst): New.
2088         * graphite-poly.h (dot_lst): Declared.
2089
2090 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2091
2092         * graphite-dependences.c (dot_deps_stmt_1): New.
2093         (dot_deps_stmt): New.
2094         * graphite-dependences.h (dot_deps_stmt): Declared.
2095
2096 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2099         not replace cross BB scalar dependences ending on PHI nodes.
2100         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2101
2102 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2103
2104         * graphite-poly.c (apply_poly_transforms): Implement the high
2105         level driver for flag_loop_block.
2106         * opts.c (decode_options): Enable flag_loop_block at -O2.
2107         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2108         flag_loop_block.
2109
2110         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2111         -floop-block.
2112         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2113         Add -floop-block.
2114
2115 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * graphite-poly.h (lst_find_pbb): New.
2118         (find_lst_loop): New.
2119
2120 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2121
2122         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2123         * graphite-poly.h (struct scop): Remove dep_graph field.
2124         (SCOP_DEP_GRAPH): Removed.
2125
2126 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * graphite-poly.h (copy_lst): Do full copy of LST.
2129
2130 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2131
2132         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2133         when the loop stride is zero.
2134
2135         * gcc.dg/graphite/id-16.c: New.
2136
2137 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2138
2139         * graphite-dependences.c (reduction_dr_1): New.
2140         (reduction_dr_p): New.
2141         (graphite_legal_transform_dr): Call reduction_dr_p.
2142         (reduction_ddr): Renamed reduction_ddr_p.
2143         * graphite-poly.h (same_pdr_p): New.
2144         (number_of_write_pdrs): New.
2145         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2146         (split_reduction_stmt): Do not split reduction statements
2147         when there are no writes to memory.
2148         (translate_scalar_reduction_to_array_for_stmt): Insert the
2149         memory reduction statement just after the scalar reduction statement.
2150
2151         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2152         Un-XFAIL-ed.
2153         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2154         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2155
2156 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-interchange.c (lst_apply_interchange): New.
2159         (lst_interchange_profitable_p): New.
2160         (lst_try_interchange_loops): New.
2161         (lst_try_interchange): New.
2162         (lst_do_interchange): New.
2163         (pbb_do_interchange): Removed.
2164         (scop_do_interchange): Call lst_do_interchange.
2165
2166 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2167
2168         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2169         SCOP_TRANSFORMED_SCHEDULE.
2170         (loop_to_lst): New.
2171         (scop_to_lst): New.
2172         (print_lst): New.
2173         (debug_lst): New.
2174         * graphite-poly.h (lst_p): New.
2175         (struct lst): New.
2176         (LST_LOOP_P): New.
2177         (LST_LOOP_FATHER): New.
2178         (LST_PBB): New.
2179         (LST_SEQ): New.
2180         (scop_to_lst): Declared.
2181         (print_lst): Declared.
2182         (debug_lst): Declared.
2183         (new_lst_loop): New.
2184         (new_lst_stmt): New.
2185         (copy_lst): New.
2186         (lst_depth): New.
2187         (lst_dewey_number): New.
2188         (struct scop): Add original_schedule and transformed_schedule fields.
2189         (SCOP_ORIGINAL_SCHEDULE): New.
2190         (SCOP_TRANSFORMED_SCHEDULE): New.
2191         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2192
2193 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-dependences.c (reduction_ddr): New.
2196         (graphite_legal_transform_bb): Call reduction_ddr.
2197         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2198         Initialize PBB_IS_REDUCTION.
2199         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2200         (PBB_IS_REDUCTION): New.
2201         (new_poly_bb): Update declaration.
2202         * graphite-scop-detection.h (build_scop_bbs): Removed.
2203         (nb_reductions_in_loop): Removed.
2204         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2205         parameter for reductions.
2206         (try_generate_gimple_bb): Update call to new_poly_bb.
2207         (build_scop_bbs_1): Same.
2208         (build_scop_bbs): Same.
2209         (gsi_for_phi_node): New.
2210         (scalar_close_phi_node_p): Remove gcc_assert.
2211         (split_reduction_stmt): New.
2212         (is_reduction_operation_p): New.
2213         (phi_contains_arg): New.
2214         (follow_ssa_with_commutative_ops): New.
2215         (detect_commutative_reduction_arg): New.
2216         (detect_commutative_reduction_assign): New.
2217         (follow_inital_value_to_phi): New.
2218         (edge_initial_value_for_loop_phi): New.
2219         (initial_value_for_loop_phi): New.
2220         (detect_commutative_reduction): New.
2221         (translate_scalar_reduction_to_array_for_stmt): New.
2222         (insert_copyout): New.
2223         (insert_copyin): New.
2224         (translate_scalar_reduction_to_array): New.
2225         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2226         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2227         (rewrite_commutative_reductions_out_of_ssa): New.
2228         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2229         * sese.h (split_region_for_bb): New.
2230
2231         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2232         * gcc.dg/graphite/interchange-1.c: Fix format.
2233         * gcc.dg/graphite/interchange-10.c: New.
2234
2235 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2238         buggy assert.
2239
2240 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2243         (rewrite_cross_bb_scalar_dependence): New.
2244         (rewrite_cross_bb_scalar_deps): New.
2245         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2246         Call rewrite_cross_bb_scalar_deps.
2247
2248 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2249
2250         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2251         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2252         gsi_for_stmt.
2253
2254 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2257         * graphite-interchange.c (pbb_do_interchange): Same.
2258         * graphite-poly.c (print_scattering_function): Same.
2259         (debug_pdrs): Same.
2260         * graphite-poly.h (pbb_loop): New.
2261         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2262
2263 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2266
2267 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2270         so don't pass a pointer to it.
2271         (build_alias_set_for_drs): Same.
2272         (build_base_obj_set_for_drs): Same.
2273         (build_scop_drs): Same.
2274
2275 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2276
2277         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2278         the alias graph of data references.
2279
2280 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2281
2282         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2283         (build_scop_drs): When debugging, write the alias graph to file,
2284         otherwise, should be disabled.
2285
2286 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2287
2288         * Merge from mainline (151310:151361).
2289
2290 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         * Merge from mainline (151171:151310).
2293
2294 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * Merge from mainline (151171:151806).
2297
2298 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2299
2300         * Revert the last commit.
2301
2302 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2303
2304         * Merge from mainline (151171:151819).
2305
2306 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2309         (is_simple_operand): Remove call to stmt_simple_memref_p.
2310         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2311
2312 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2313
2314         * gcc.dg/graphite/interchange-mvt.c: New File.
2315         * gcc.dg/graphite/scop-dsyrk.c: New File.
2316         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2317         * gcc.dg/graphite/scop-mvt.c: New File.
2318         * gcc.dg/graphite/scop-sor.c: New File.
2319
2320 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2321
2322         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2323         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2324         (graphite_carried_dependence_level_k): Ditto.
2325         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2326         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2327         (new_poly_dr): Adjust declaration.
2328         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2329         (free_gimple_bb): Added free_data_refs_aux.
2330         (build_poly_dr): Add dr_base_object_set.
2331         (partition_drs_to_sets): New.
2332         (dr_same_base_object_p): New.
2333         (build_alias_set_for_drs): New.
2334         (build_base_object_set_for_drs): New.
2335         (build_scop_drs): Add build_base_obj_set_for_drs.
2336         * graphite-sese-to-poly.h: Added #define for alias set number index and
2337         base object set index.
2338         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2339         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2340
2341 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2342
2343         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2344         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2345
2346 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2347
2348         * graphite-sese-to-poly.c (struct irp_data): Removed.
2349         (idx_record_params): Removed.
2350         (find_params_in_bb): Scan for parameters the access functions; don't
2351         parse the tree representation.
2352
2353 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2354
2355         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2356         passes at -O1 and below.
2357
2358 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2359
2360         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2361         tree-scalar-evolution.h, and then tree-data-ref.h.
2362         * graphite-clast-to-gimple.c: Same.
2363         * graphite-dependences.c: Same.
2364         * graphite-interchange.c: Same.
2365         * graphite-poly.c: Same.
2366         * graphite-scop-detection.c: Same.
2367         * graphite-sese-to-poly.c: Same.
2368         * graphite.c: Same.
2369         * lambda-code.c: Same.
2370         * matrix-reorg.c: Same.
2371         * tree-data-ref.c: Same.
2372         * tree-if-conv.c: Same.
2373         * tree-loop-distribu: Same.: Same.
2374         * tree-loop-linear.c: Same.
2375         * tree-parloops.c: Same.
2376         * tree-predcom.c: Same.
2377         * tree-vect-patterns.c: Same.
2378
2379 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2380
2381         Partially revert the previous patch, except the following.
2382         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2383         as parameters the operands of the not expression.
2384
2385 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2386
2387         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2388         Do not call analyze_scalar_evolution on assignments.
2389         (instantiate_scev_phi): Call analyze_scalar_evolution.
2390         (instantiate_scev_name): Call instantiate_scev_assign and
2391         instantiate_scev_phi.
2392         (instantiate_scev_not): Adapted to pass as parameters the operands
2393         of the not expression.
2394
2395 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2396
2397         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2398         to pass as parameters the operands of the binary expression.
2399
2400 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2401
2402         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2403         instantiate_scev_not.  Handle NEGATE_EXPR.
2404         (instantiate_scev_r): Handle NEGATE_EXPR.
2405
2406 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2409         instantiate_scev_r.
2410         (instantiate_scev_r): Move code in instantiate_scev_2
2411         and instantiate_scev_1.
2412
2413 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2414
2415         * tree-scalar-evolution.c (instantiate_scev_3): New.
2416         (instantiate_scev_1): Move code in instantiate_scev_3.
2417
2418 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2419
2420         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2421         (instantiate_scev_1): Move code in instantiate_scev_poly.
2422
2423 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2426         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2427
2428 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2429
2430         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2431         (instantiate_scev_1): Move code in instantiate_scev_convert.
2432
2433 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2434
2435         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2436         (instantiate_scev_1): Move code in instantiate_scev_binary.
2437
2438 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2439
2440         * tree-scalar-evolution.c (instantiate_scev_name): New.
2441         (instantiate_scev_1): Move code in instantiate_scev_name.
2442
2443 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2444
2445         * Merge from mainline (150992:151171).
2446
2447 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2448
2449         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2450
2451 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * graphite-dependences.c (graphite_legal_transform_bb): Call
2454         pbb_remove_duplicate_pdrs.
2455         * graphite-poly.c (can_collapse_pdr): Removed.
2456         (pdr_find_duplicate): Removed.
2457         (can_collapse_pdrs): New.
2458         (pbb_remove_duplicate_pdrs): New.
2459         (new_poly_dr): Do not look for duplicates.
2460         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2461         (PBB_PDR_DUPLICATES_REMOVED): New.
2462         (pbb_remove_duplicate_pdrs): Declared.
2463
2464 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2465
2466         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2467         the strides by multiplying by PDR_NB_REFS.
2468         * graphite-poly.c (can_collapse_pdr): New.
2469         (pdr_find_duplicate): New.
2470         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2471         Initialize PDR_NB_REFS.
2472         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2473         (PDR_NB_REFS): New.
2474         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2475
2476 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2477
2478         Revert one of the previous commits:
2479         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2480         the computation of symmetric data dependence relations.
2481         (dependency_between_pbbs_p): Same.
2482
2483 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         PR middle-end/40965
2486         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2487         any transform.
2488
2489 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * graphite-dependences.c (pddr_original_scattering): Return NULL
2492         for read-read dependence relations.
2493         * graphite-poly.h (enum poly_dr_type): Fix comment.
2494         (pdr_read_p): New.
2495         (pdr_write_p): New.
2496         (pdr_may_write_p): New.
2497
2498 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2499
2500         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2501         (struct poly_dr): Same.
2502         (new_poly_dr): Same.
2503         * graphite-poly.c (new_poly_dr): Same.
2504
2505 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2506             Sebastian Pop  <sebastian.pop@amd.com>
2507
2508         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2509         pbb_strip_mine_time_depth.  Changed the implementation so that
2510         transformation is expressed as a transformation on
2511         time (scatttering) dimensions.  Also, ensures that the 2d+1
2512         scheduling format is preserved.
2513         (pbb_strip_mine_profitable_p): Profitability is based on the
2514         iteration number of a given time (scattering) dimension,
2515         and not on a original loop depth dimension.
2516         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2517         (pbb_do_strip_mine): Call psct_dynamic_dim.
2518         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2519         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2520         (pbb_nb_dynamic_scattering_transform): New.
2521         (psct_dynamic_dim): New.
2522
2523 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2524
2525         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2526         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2527         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2528         * graphite-interchange.c (build_linearized_memory_access): Same.
2529         (memory_stride_in_loop): Same.
2530
2531 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * graphite-dependences.c (pddr_original_scattering): New.
2534         (graphite_legal_transform_dr): Call pddr_original_scattering.
2535         (dot_deps_1): New.
2536         (dot_deps): New.
2537         * graphite-dependences.h (dot_deps): Declared.
2538         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2539         (print_pdr): Print PDR_ID.
2540         * graphite-poly.h (struct poly_dr): Add field id.
2541         (PDR_ID): New.
2542         (pbb_index): New.
2543         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2544
2545 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2548         not delete the original dependence relation.
2549
2550 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2551
2552         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2553         the computation of symmetric data dependence relations.
2554         (dependency_between_pbbs_p): Same.
2555
2556 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2557
2558         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2559         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2560         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2561         (free_poly_ddr): New.
2562         (pddr_is_empty): New.
2563         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2564         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2565         Remove fprintfs.
2566         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2567         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2568         * graphite-dependences.h (enum poly_dependence_kind): New.
2569         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2570         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2571         (PDRP_SINK): Renamed PDDR_SINK.
2572         (PDRP_DDP): Renamed PDDR_DDP.
2573         (PDDR_KIND): New.
2574         (free_poly_ddr): Declared.
2575         * graphite-poly.c (new_scop): Use the new hash function names.
2576         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2577         into original_pddrs.
2578         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2579
2580 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * Merge from mainline (150764:150992).
2583
2584 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2585
2586         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2587         bounds with LT_EXPR to make niter analysis more precise on code
2588         generated by Graphite.
2589
2590 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2591
2592         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2593         (graphite_legal_transform_bb): Same.
2594         (poly_drs_may_alias_p): Same.
2595
2596 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2597
2598         PR middle-end/40981
2599         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2600         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2601
2602 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2603
2604         * graphite-poly.c (print_pbb): Print PBB index.
2605
2606 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2607
2608         * Merge from mainline (r150672:150764).
2609
2610 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * graphite-interchange.c (ppl_max_for_le): Moved...
2613         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2614         * graphite-ppl.c (ppl_max_for_le): ... here.
2615         * graphite-ppl.h (ppl_max_for_le): Declared.
2616
2617 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2618
2619         * Merge from mainline (r150372:150672).
2620
2621 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2622
2623         PR middle-end/40980
2624         * sese.c (convert_for_phi_arg): New.
2625         (add_guard_exit_phis): Use convert_for_phi_arg.
2626
2627         * gfortran.dg/graphite/id-17.f: New.
2628
2629 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2630
2631         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2632         unknown subscript upper bounds.
2633
2634         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2635
2636 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2637             Pranav Garg  <pranav.garg2107@gmail.com>
2638
2639         * graphite-interchange.c (gather_access_strides): Removed.
2640         (ppl_max_for_le): New.
2641         (build_linearized_memory_access): New.
2642         (memory_stride_in_loop): New.
2643         (pbb_interchange_profitable_p): Reimplemented.
2644         * graphite-ppl.h (ppl_new_id_map): New.
2645         (ppl_interchange): New.
2646
2647         * gcc.dg/graphite/interchange-6.c: XFAILed.
2648
2649 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         * graphite-interchange.c (compute_subscript): Removed.
2652         (compute_array_size_cstr): Removed.
2653         (compute_array_size_poly): Removed.
2654         (compute_array_size): Removed.
2655         (gather_access_strides_poly): Removed.
2656         (gather_access_strides): Empty.
2657
2658 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2659
2660         * graphite-dependences.c (dependence_polyhedron_1): Replace
2661         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2662         (graphite_legal_transform_dr): Same.
2663         (graphite_carried_dependence_level_k): Same.
2664         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2665         Initialize PDR_NB_SUBSCRIPTS.
2666         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2667         PDR_NB_SUBSCRIPTS.
2668         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2669         (PDR_NB_SUBSCRIPTS): New.
2670         (pdr_nb_subscripts): Removed.
2671         (pdr_dim): Simplified.
2672         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2673         with PDR_NB_SUBSCRIPTS.
2674
2675 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2676
2677         * graphite-interchange.c (compute_array_size): Remove use of
2678         PDR_DATA_CONTAINER.
2679         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2680         Do not initialize PDR_DATA_CONTAINER.
2681         (print_pdr): Do not print PDR_DATA_CONTAINER.
2682         * graphite-poly.h (struct poly_dr): Remove data_container field.
2683         (PDR_DATA_CONTAINER): Removed.
2684         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2685         PDR_DATA_CONTAINER.
2686         (build_poly_dr): Same.
2687
2688 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2689
2690         * gcc.dg/graphite/interchange-9.c: New.
2691
2692 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2693             Sebastian Pop  <sebastian.pop@amd.com>
2694
2695         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2696         copy of the dependence polyhedron.  Free the temporary objects.
2697         (graphite_carried_dependence_level_k): Free unused objects before
2698         returning.
2699
2700         * gcc.dg/graphite/interchange-1.c: XFAILed.
2701         * gcc.dg/graphite/interchange-2.c: XFAILed.
2702         * gcc.dg/graphite/interchange-3.c: XFAILed.
2703         * gcc.dg/graphite/interchange-4.c: XFAILed.
2704         * gcc.dg/graphite/interchange-7.c: XFAILed.
2705
2706 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2709         Early return without analyzing the data dependences if no
2710         transform has been done.  Call restore_scattering if the transform
2711         is not legal.
2712         (graphite-interchange.c): Same.
2713         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2714         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2715         (apply_poly_transforms): Do not gcc_assert that
2716         the transform is legal.
2717         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2718         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2719         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2720         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2721         * graphite-poly.h (struct poly_scattering): New.
2722         (struct poly_bb): Add original, transformed, and saved fields.
2723         Remove transformed_scattering, original_scattering, nb_local_variables,
2724         and nb_scattering_transform fields.
2725         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2726         (poly_scattering_new): New.
2727         (poly_scattering_free): New.
2728         (poly_scattering_copy): New.
2729         (store_scattering_pbb): New.
2730         (store_scattering): New.
2731         (restore_scattering_pbb): New.
2732         (restore_scattering): New.
2733         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2734         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2735
2736 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2739         (print_scop): Same.
2740
2741 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * Makefile.in (graphite.o): Depends on PREDICT_H.
2744         * graphite.c: Include predict.h.
2745         (graphite_finalize): Call tree_estimate_probability.
2746         * predict.c (predict_loops): Do not call scev_initialize and
2747         scev_finalize.
2748         (tree_estimate_probability_bb): New.
2749         (tree_estimate_probability): Do not initialize loops: move that
2750         code to the driver.  Call tree_estimate_probability_bb.
2751         (tree_estimate_probability_driver): New.
2752         (pass_profile): Use tree_estimate_probability_driver.
2753         * predict.h (tree_estimate_probability): Declared.
2754
2755 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2756
2757         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2758         * graphite-dependences.c (graphite_legal_transform): Add time to
2759         TV_GRAPHITE_DATA_DEPS.
2760         (dependency_between_pbbs_p): Same.
2761         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2762
2763 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2764
2765         * Merge from mainline (r149952:150372).
2766
2767 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2770         * graphite-blocking.c: Same.
2771         * graphite-clast-to-gimple.c: Same.
2772         * graphite-dependences.c: Same.
2773         * graphite-poly.c: Same.
2774         * graphite-poly.h: Same.
2775         * graphite-ppl.c: Same.
2776         * graphite-scop-detection.c: Same.
2777         * graphite-sese-to-poly.c: Same.
2778         * graphite.c: Same.
2779
2780 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2781
2782         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2783         (remove_simple_copy_phi): New.
2784         (remove_invariant_phi): New.
2785         (simple_copy_phi_p): New.
2786         (reduction_phi_p): New.
2787         (gsi_for_ssa_name_def): New.
2788         (insert_out_of_ssa_copy): New.
2789         (insert_out_of_ssa_copy_on_edge): New.
2790         (create_zero_dim_array): New.
2791         (scalar_close_phi_node_p): New.
2792         (rewrite_close_phi_out_of_ssa): New.
2793         (rewrite_phi_out_of_ssa): New.
2794         (rewrite_reductions_out_of_ssa): New.
2795         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2796
2797         * gcc.dg/graphite/id-11.c: New.
2798         * gcc.dg/graphite/id-15.c: New.
2799         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2800         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2801         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2802         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2803         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2804         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2805         * gfortran.dg/graphite/id-13.f: New.
2806         * gfortran.dg/graphite/id-5.f: New.
2807
2808 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2809
2810         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2811         check that nb_reductions_in_loop is zero.
2812         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2813         reduction phi nodes.
2814         (nb_reductions_in_loop): Removed.
2815         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2816         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2817         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2818         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2819         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2820
2821 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2822
2823         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2824         statements that have an empty iteration domain.
2825         * gfortran.dg/graphite/id-16.f: New.
2826
2827 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2828
2829         * tree-scalar-evolution.c (instantiate_scev_1): Return
2830         chrec_dont_know when the result is not above instantiate_below.
2831         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2832         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2833         the tree has a known scalar evolution.
2834         * gfortran.dg/graphite/id-14.f: New.
2835         * gfortran.dg/graphite/id-15.f: New.
2836
2837 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2838
2839         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2840         insert_gsi.
2841         (rename_variables): Keep inserting renames after the ones already
2842         inserted.
2843
2844 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2845
2846         * graphite-sese-to-poly.c (compare_bb_depths): New.
2847         (graphite_sort_dominated_info): New.
2848         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2849         (build_scop_scattering): Fix comment.
2850
2851 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * graphite.c (graphite_finalize): Call print_loops instead of
2854         dump_function_to_file.
2855         * gcc.dg/graphite/graphite.exp: Fix formatting.
2856         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2857         loops generated in the graphite output file.
2858         * gcc.dg/graphite/pr35356-2.c: New.
2859         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2860         * gfortran.dg/graphite/id-12.f: New.
2861
2862 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2863
2864         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2865         Remove 2 XFAIL.
2866
2867 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2868             Tobias Grosser  <grosser@fim.uni-passau.de>
2869
2870         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2871         alias set number build alias in ACCESSES polyhedron.
2872         (build_alias_set_for_drs): New.
2873         (build_pbb_drs): Added build_alias_set_for_drs.
2874         * graphite-dependences.c (poly_drs_may_alias_p): New.
2875         (graphite_carried_dependence_level_k): Check alias information
2876         before building polyhedron.
2877
2878 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2879
2880         * Makefile.in (lambda-code.o): Fix formatting.
2881
2882 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2883
2884         * Merge from mainline (r149350-149952)
2885
2886 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2887
2888         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2889         before interchange to prepare for loop blocking.
2890
2891 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2892
2893         * graphite-poly.c (apply_poly_transforms): Add checks after every
2894         transformation.
2895         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2896         done in apply_poly_transforms.
2897
2898 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2899
2900         * graphite-dependences.c (build_lexicographically_gt_constraint):
2901         Replace RES parameter with *RES.
2902         (dependence_polyhedron_1): Pass an address of the parameter RES
2903         instead of value of RES.
2904
2905 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite.c (graphite_finalize): Fix comment.
2908         (graphite_transform_loops): Reset scev info after code generation
2909         of each scop.
2910
2911 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2912
2913         * graphite.c (graphite_finalize): Call scev_reset.
2914
2915 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2916
2917         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2918         GBB_CLOOG_IV_TYPES hash table twice.
2919         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2920         (add_condition_to_domain): Clear GMP values.
2921
2922 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * graphite-dependences.c: Fix formatting.
2925         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2926         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2927         * graphite-sese-to-poly.c: Fix formatting.
2928         * graphite.c (graphite_transform_loops): Create the hash table
2929         after the early return.
2930
2931 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2932
2933         * gcc.dg/graphite/id-14.c: New.
2934         * gcc.dg/graphite/pr40157.c: New.
2935         * gfortran.dg/graphite/id-11.f: New.
2936
2937 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2940         (build_poly_scop): Return false when there are no pbbs within
2941         loops to avoid to pass to cloog scops with no loops.
2942
2943 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2944
2945         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2946         useless test "i % 2".
2947         (build_pbb_scattering_polyhedrons): Fix formatting.
2948         (build_poly_dr): Same.
2949         * graphite.c (graphite_transform_loops): Restructure.
2950
2951 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2952
2953         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2954         reduction_list parameter.
2955         (rewrite_all_phi_nodes_with_iv): Same.
2956         (canonicalize_loop_ivs): Same.
2957         * tree-parloops.c (struct brli): Removed.
2958         (build_reduction_list_info): Removed.
2959         (build_new_reduction): New.
2960         (analyze_reduction_list): Removed.
2961         (gather_scalar_reductions): Find reductions instead of phi
2962         nodes that can't be canonicalized.
2963         (try_create_reduction_list): Remove reduction_list parameter.
2964         (gen_parallel_loop): Same.
2965         (parallelize_loops): Remove analyze_reductions variable,
2966         initialization and free.
2967         Change reduction_list htab initialization to reduction_info
2968         elements instead of ssa names.
2969         Call try_create_reduction_list and gen_parallel_loop without
2970         analyzed_reduction argument.
2971         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2972         canonicalize_loop_ivs with one less argument.
2973         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2974
2975 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2976
2977         * graphite-dependences.c (new_poly_dr_pair): New.
2978         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2979         (new_poly_dr_pair): New.
2980         (eq_poly_dr_pair_p): New.
2981         (hash_poly_dr_pair_p): New.
2982         * graphite-dependences.h (struct poly_dr_pair): New.
2983         (eq_poly_dr_pair_p): Declared.
2984         (hash_poly_dr_pair_p): Declared.
2985         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2986         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2987         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2988         * Makefile.in (graphite-poly.o): Add dependence on
2989         graphite-dependences.h.
2990
2991 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2994         polynomials of degree > 1 pass to Graphite.
2995         * tree-chrec.c (scev_is_linear_expression): Call
2996         evolution_function_is_affine_multivariate_p.
2997         * gfortran.dg/graphite/id-10.f90: New.
2998
2999 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3002         Instantiate scevs varying in outer loops.
3003         * gfortran.dg/graphite/id-9.f: Correct testcase.
3004
3005 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3008         redundant constraint.
3009
3010 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3011
3012         * gcc.dg/graphite/graphite.exp: Fix comments.
3013         * gfortran.dg/graphite/graphite.exp: Trigger actions
3014         based on the file names as in the C testsuite.
3015         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3016         * gfortran.dg/graphite/block-2.f: Same.
3017         * gfortran.dg/graphite/block-3.f90: Same.
3018         * gfortran.dg/graphite/block-4.f90: Same.
3019         * gfortran.dg/graphite/id-1.f90: Same.
3020         * gfortran.dg/graphite/id-2.f90: Same.
3021         * gfortran.dg/graphite/id-3.f90: Same.
3022         * gfortran.dg/graphite/id-4.f90: Same.
3023         * gfortran.dg/graphite/id-6.f: Same.
3024         * gfortran.dg/graphite/id-9.f: Same.
3025         * gfortran.dg/graphite/interchange-1.f: Same.
3026         * gfortran.dg/graphite/interchange-2.f: Same.
3027         * gfortran.dg/graphite/scop-1.f: Same.
3028
3029 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         * sese.c (expand_scalar_variables_call): New.
3032         (expand_scalar_variables_ssa_name): Handle calls in expander.
3033
3034 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3035
3036         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3037         Expect to see the pattern twice.
3038         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3039         * gcc.dg/graphite/interchange-5.c: Same.
3040         * gcc.dg/graphite/interchange-6.c: Same.
3041
3042 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * gcc.dg/graphite/id-10.c: New.
3045         * gcc.dg/graphite/id-12.c: New.
3046         * gfortran.dg/graphite/id-7.f: New.
3047         * gfortran.dg/graphite/id-8.f: New.
3048
3049 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3050
3051         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3052         zero.
3053
3054 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3055
3056         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3057
3058 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3061
3062 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3063
3064         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3065         building PDR subscripts.
3066
3067 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3068
3069         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3070         computation of array sizes.
3071
3072 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3073
3074         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3075
3076 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3077
3078         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3079         build_pairwise_constraint, dr_equality_constraints,
3080         build_pairwise_scheduling_equality,
3081         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3082         build_lexicographically_gt_constraint, dependence_polyhedron,
3083         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3084         Move from NNC_Polyhedron to C_Polyhedron.
3085         * graphite-interchange.c (compute_array_size_poly,
3086         gather_access_strides): Dito.
3087         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3088         free_scop, pbb_number_of_iterations): Dito.
3089         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3090         pbb_dim_iter_domain, struct scop): Dito.
3091         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3092         new_Cloog_Domain_from_ppl_Polyhedron,
3093         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3094         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3095         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3096         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3097         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3098         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3099         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3100         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3101         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3102         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3103         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3104         build_scop_iteration_domain, build_poly_dr): Dito
3105
3106 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3107
3108         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3109         run-id-*.c files.
3110         * gcc.dg/graphite/run-id-1.c: New.
3111
3112 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3115         positivity constraint on the symbolic number of iterations.
3116
3117 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3120
3121 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3122             Tobias Grosser  <grosser@fim.uni-passau.de>
3123
3124         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3125         (build_cloog_prog): Directly use SCOP_CONTEXT.
3126         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3127         (free_scop): Free SCOP_CONTEXT.
3128         (print_scop_context): New.
3129         (print_scop): Call print_scop_context.
3130         (debug_scop_context): New.
3131         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3132         (struct scop): Added field context.
3133         (SCOP_CONTEXT): New.
3134         * graphite-sese-to-poly.c (add_param_constraints): New.
3135         (build_scop_context): New.
3136         (build_poly_scop): Call build_scop_context.
3137
3138 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3139
3140         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3141         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3142         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3143         * graphite-ppl.h: Include double-int.h and tree.h.
3144         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3145         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3146         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3147         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3148
3149 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3150
3151         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3152         POINTER_PLUS_EXPR for pointer types.
3153         (clast_to_gcc_expression): Same.
3154
3155 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3156
3157         * graphite-poly.c (print_scattering_function): Early return when
3158         PBB_TRANSFORMED_SCATTERING is not initialized.
3159         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3160
3161 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3162
3163         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3164         to fix bootstrap.
3165
3166 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3167
3168         * tree-parloops.c (analyze_reduction_list): Change return
3169         value to void.
3170         (try_create_reduction_list): Move the call to
3171         analyze_reduction_list to the beginining.
3172         Call reduction_phi with analyzed_reductions as argument
3173         instead of reduction_list.
3174
3175 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3176
3177         *  Merge from mainline (r148296:149346)
3178
3179 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3180
3181         * graphite-scop-detection.c (graphite_can_represent_init): New.
3182         (graphite_can_represent_scev): Call graphite_can_represent_init:
3183         check that the initial value does not contain multiplications of
3184         parameters.
3185         (stmt_has_simple_data_refs_p): New.
3186         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3187         (is_simple_operand): Fix formatting.
3188         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3189
3190 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         * gcc.dg/graphite/id-13.c: New.
3193         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3194         analyze_scalar_evolution, use scalar_evolution_in_region.
3195         (scan_tree_for_params_right_scev): Add extra assert.
3196         (parameter_index_in_region_1): Split from parameter_index_in_region.
3197         (idx_record_params): Use scalar_evolution_in_region.
3198         (find_params_in_bb): Same.
3199         (find_scop_parameters): Same.
3200         (build_loop_iteration_domains): Same.
3201         (create_linear_expr_from_tree): Same.
3202         * sese.c (scalar_evolution_in_region): New.
3203         * sese.h (scalar_evolution_in_region): Declared.
3204         (defined_in_sese_p): New.
3205         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3206         static anymore.
3207         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3208         Declared.
3209
3210 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3211
3212         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3213         TREE_DATA_REF_H also implies SCEV_H.
3214
3215 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * graphite-poly.c (print_scop_params): New.
3218         (print_scop): Call print_scop_params.
3219         (debug_scop_params): New.
3220         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3221
3222 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3223
3224         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3225         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3226         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3227         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3228         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3229         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3230
3231 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3232
3233         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3234         for dependency checking part.
3235         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3236         tests for dependency checking.
3237         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3238         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3239         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3240         flag -fdump-tree-graphite-all for autopar testsuites.
3241
3242 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3243
3244         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3245         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3246         canonicalize_loop_ivs): Moved...
3247         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3248
3249 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * tree-parloops.c (try_create_reduction_list): Pass an extra
3252         argument analyzed_reductions.  Call analyze_reduction_list.
3253         (gen_parallel_loop): Do not call analyze_reduction_list.
3254         (parallelize_loops): Init and finalize analyzed_reductions.
3255
3256 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3257
3258         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3259         Added flag -fno-loop-strip-mine for autopar testcase.
3260
3261 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3262
3263         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3264         transformed scattering dimension instead of unmatch orignal when
3265         calling dependence_polyhedron.
3266
3267 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3270
3271 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3274         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3275
3276 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3277
3278         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3279         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3280         * graphite-poly.c (pbb_number_of_iterations): New.
3281         * graphite-poly.h (pbb_number_of_iterations): Declared.
3282         (pbb_iterator_dim, pbb_parameter_dim): New.
3283
3284 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3285
3286         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3287         last commit on type of lower and upper bound of loops.
3288
3289 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3290
3291         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3292         graphite-dependences.h.
3293         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3294         (mark_bb_with_pbb): New.
3295         (get_stmtfor_depth): New.
3296         (find_pbb_via_hash): New.
3297         (dependency_in_loop_p): New.
3298         (mark_loops_parallel): New.
3299         (free_aux_in_new_loops): New.
3300         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3301         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3302         innermost loop parallel without checking.
3303         (gloog): Add parameter BB_PBB_MAPPING.
3304         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3305         (gloog): Change declaration.
3306         (mark_loop_parallel): Make extern.
3307         (free_aux_in_new_loops): Declare.
3308         (bb_pbb_map_hash): New.
3309         (eq_bb_pbb_map): New.
3310         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3311         auto parallelization when flag_graphite_force_parallel is set.
3312         (graphite_finalize): Added free_aux_in_new_loops.
3313         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3314         the innermost loop that marked parallel.  Use
3315         flag_graphite_force_parallel instead of loop->can_be_parallel.
3316         (loop_parallel_p): Move inner most checking out of function.
3317
3318 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3321         type of lower and upper bound of loops signed long int.
3322
3323 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3324
3325         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3326         expression outside the loop.
3327
3328 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3329
3330         * gcc.dg/graphite/interchange-8.c: New.
3331
3332 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3333
3334         * gcc.dg/graphite/interchange-0.c: XFailed.
3335         * gcc.dg/graphite/interchange-5.c: XFailed.
3336         * gcc.dg/graphite/interchange-6.c: XFailed.
3337
3338 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * graphite-interchange.c (compute_array_size_poly): The end of the
3341         recursion should return 1.
3342
3343 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3344
3345         * graphite-interchange.c (compute_array_size_cstr): Allow the
3346         subscript multiplier to be -1.
3347         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3348         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3349         data_container.  Initializes PDR_DATA_CONTAINER.
3350         (print_pdr_access_layout): New.
3351         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3352         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3353         data_container.
3354         (PDR_DATA_CONTAINER): New.
3355         (new_poly_dr): Update declaration.
3356         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3357         (build_poly_dr): Call pdr_add_data_dimensions.
3358
3359 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3360
3361         * graphite-poly.h (struct poly_dr): Fix comment.
3362         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3363         (pdr_add_memory_accesses): New.
3364         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3365
3366 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3367
3368         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3369         (print_pbb): Add call to print_pdrs.
3370         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3371
3372 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3373             Li Feng <nemokingdom@gmail.com>
3374
3375         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3376         (dependency_between_pbbs_p): New.
3377         (lexicographically_gt_p): Assure !empty_p before polyhedron
3378         intersection assign.
3379         (build_lexicographically_gt_constraint): Correct lexicographically
3380         judging.
3381         * graphite-dependences.h: New.
3382         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3383
3384 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3387         (gloog): Print to dump_file the generated clast.
3388         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3389         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3390
3391 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3392
3393         * graphite-poly.c (extend_scattering): Increment
3394         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3395
3396 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * graphite-interchange.c (compute_array_size_poly): Added exit of
3399         recursion condition.  Continue iterating even after the first equality.
3400         (compute_array_size): Same.
3401
3402 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3403
3404         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3405         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3406         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3407         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3408         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3409
3410 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3413         only when the use verifies is_gimple_reg.
3414
3415 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3418         Allocate scaldims after call to unify_scattering_dimensions.
3419
3420 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3421
3422         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3423
3424 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3425             Albert Cohen  <albert.cohen@inria.fr>
3426
3427         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3428         variables for the strip mining.
3429
3430 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3431             Pranav Garg  <pranav.garg2107@gmail.com>
3432
3433         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3434         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3435         (graphite-blocking.o): New rule.
3436         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3437         * graphite-blocking.c: New.
3438         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3439         flag_loop_strip_mine.
3440         (psct_scattering_dim_for_loop_depth): New.
3441         * graphite-poly.h (scop_do_strip_mine): Declared.
3442         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3443         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3444         flag_loop_strip_mine.
3445
3446 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3449         a GMP value and a PPL coefficient at each iteration of a loop.
3450
3451 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3452
3453         * graphite-dependences.c (dependence_polyhedron): Do not use
3454         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3455         pbb_nb_scattering_transform.
3456         (graphite_legal_transform_dr): Same.
3457         * graphite-poly.c (extend_scattering): Same.
3458         (unify_scattering_dimensions): Same.
3459         (print_scattering_function): Same.
3460         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3461         PBB_NB_LOCAL_VARIABLES.
3462         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3463         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3464         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3465         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3466         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3467         (pbb_nb_scattering_transform): New.
3468         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3469         (psco_scattering_dim): Add assert on parameters.
3470         (psct_scattering_dim): Same.
3471         (psct_scattering_dim_for_loop_depth): Declared.
3472         (psct_local_var_dim): New.
3473         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3474         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3475         correct layout, call pbb_nb_local_vars.
3476         (psct_add_local_variable, psct_add_scattering_dimension): New.
3477         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3478         Initialize PBB_NB_SCATTERING_TRANSFORM.
3479
3480 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3481
3482         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3483         (set_coef): Renamed ppl_set_coef.
3484         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3485
3486 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3487
3488         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3489         test a boolean against 1.
3490         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3491         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3492         (pbb_do_interchange): Returns true when a transform has been performed.
3493         (scop_do_interchange): Same.
3494         * graphite-poly.c (apply_poly_transforms): Use the return value of
3495         scop_do_interchange.
3496         * graphite-poly.h (scop_do_interchange): Update declaration.
3497
3498 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3499
3500         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3501         after last use.
3502         * sese.c (sese_reset_aux_in_loops): New.
3503         * sese.h (sese_reset_aux_in_loops): New.
3504
3505 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3506
3507         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3508         multiplier and multiply the constant by the multiplier.
3509         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3510         (build_poly_dr): Do not use the multiplier to define the subscript.
3511
3512 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3513
3514         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3515         compiler's data reference.  Initialize PDR_CDR.
3516         (print_pdr): Call dump_data_reference.
3517         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3518         Add compiler_dr field.
3519         (PDR_BB): Renamed PDR_PBB.
3520         (PDR_CDR): New.
3521         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3522         GCC's data reference representation.
3523         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3524         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3525
3526 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3527
3528         * graphite-poly.c (print_scattering_function): Also print the layout.
3529         * graphite-poly.h (pbb_nb_local_vars): New.
3530
3531 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3532
3533         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3534
3535 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3536
3537         * graphite-poly.c (print_pdr, debug_pdr): New.
3538         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3539         (PDR_BASE): Removed.
3540
3541 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3542
3543         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3544         ltrans-{1..6,8}.c.
3545
3546 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3547
3548         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3549         subscript identification column.
3550         (pbb_do_interchange): Print to dump_file that some loops "will be
3551         interchanged".  Rely on that chain of characters in the testcases.
3552         * gcc.dg/graphite/interchange-0.c: New.
3553         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3554         interchange-*.c files and compile them with -floop-interchange.
3555
3556 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3557
3558         * graphite-interchange.c (interchange_profitable_p): Renamed
3559         pbb_interchange_profitable_p.
3560
3561 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3562             Harsha Jagasia  <harsha.jagasia@amd.com>
3563             Pranav Garg  <pranav.garg2107@gmail.com>
3564
3565         * graphite-interchange.c (interchange_profitable_p): Make static.
3566         (pbb_interchange_loop_depths, pbb_do_interchange,
3567         scop_do_interchange): New.
3568         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3569         for flag_loop_interchange.
3570         * graphite-poly.h (scop_do_interchange): Declared.
3571         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3572         flag_loop_interchange is used.
3573
3574 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3575
3576         * graphite-dependences.c (dependence_polyhedron): Update use of
3577         pbb_nb_scattering_dims.
3578         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3579         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3580         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3581         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3582
3583 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * graphite.c: Cleanup foo.
3586
3587 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3588
3589         * Merge from mainline (r143684:148293).
3590         * Disabled libpcp until it gets fixed.
3591
3592 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3593             Harsha Jagasia  <harsha.jagasia@amd.com>
3594
3595         * graphite-interchange.c: New.
3596         * Makefile.in (graphite-interchange.o): New.
3597         * graphite-poly.h (interchange_profitable_p): Declared.
3598         * graphite-ppl.h (value_max): New.
3599
3600 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3601
3602         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3603         * graphite-poly.h: Fix some comments.
3604         (pdr_dim): New.
3605         (pdr_scop): New.
3606
3607 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3608
3609         * graphite-poly.h
3610         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3611         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3612         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3613         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3614         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3615         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3616         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3617         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3618         * graphite-clast-to-gimple.c: Same.
3619         * graphite-dependences.c: Same.
3620         * graphite-poly.c: Same.
3621         * graphite-sese-to-poly.c: Same.
3622
3623 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3624
3625         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3626         expressions for an IV rename, as returned by clast_to_gcc_expression.
3627         (copy_renames): Rename new_name to expr.
3628         * sese.c (debug_rename_elt): Same.
3629         (get_rename): Same.
3630         (set_rename): Same.
3631         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3632         the information from the rename map.
3633         (rename_variables_in_stmt): Same.
3634         (add_loop_exit_phis): Rename new_name to expr.
3635         (insert_loop_close_phis): Same.
3636         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3637         * sese.h (struct rename_map_elt): Rename new_name to expr.
3638         (new_rename_map_elt): Same.
3639
3640 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3641
3642         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3643         * sese.c (set_rename): Make it extern.
3644         * sese.h (set_rename): Declared.
3645
3646 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3647
3648         * graphite-poly.c (extend_scattering): Free values.
3649         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3650         Free iterators.
3651         (ppl_print_powerset_matrix): Same.
3652         * graphite-scop-detection.c (free_scops_1): New.
3653         (limit_scops): Call free_scops_1.
3654         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3655         (build_poly_dr): Free PPL coefficients.
3656         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3657
3658 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3659
3660         * graphite-dependences.c: New.
3661         * graphite-data-ref.c: Removed.
3662         * graphite-data-ref.h: Removed.
3663         * Makefile.in (graphite-data-ref.o): Removed.
3664         (graphite-dependences.o): Added.
3665         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3666         * graphite-poly.c: Same.
3667         Move the data dependence testing to graphite-dependences.c.
3668
3669 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3670
3671         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3672         from graphite_cannot_represent_loop. Code refactored.
3673         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3674
3675 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3676
3677         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3678         Cover all the testcases (not only the filtered ones).
3679
3680 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3681
3682         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3683         unnecessary check. Update comments. Move check for REAL_TYPE here.
3684         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3685         done in (stmt_simple_for_scop_p).
3686
3687 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3688
3689         * graphite.c (print_global_statistics): New.
3690         (print_graphite_scop_statistic): New.
3691         (print_graphite_statistics): New.
3692         (graphite_initialize, graphite_transform_loops): Print statistics.
3693         * graphite-scop-detection (build_scops): Print statistics.
3694         (print_graphite_scop_statistics): New.
3695         (print_graphite_statistics): New.
3696
3697 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3698
3699         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3700         (debug_clast_name_index): Removed.
3701         (debug_clast_name_indexes_1): Removed.
3702         (debug_clast_name_indexes): Removed.
3703         (clast_name_index_elt_info): Removed.
3704         (eq_clast_name_indexes): Removed.
3705         (clast_name_to_index): Removed.
3706         (new_clast_name_index): Removed.
3707         (save_clast_name_index): Removed.
3708         (save_var_name): Moved...
3709         (init_sese_params_index): Removed.
3710         (clast_name_to_gcc): Remove use of name_tree.
3711         (initialize_cloog_names): Same.
3712         (gloog): Do not call init_sese_params_index.
3713         * graphite-sese-to-poly.c (save_var_name): ...here.
3714         (parameter_index_in_region): New.
3715         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3716         (parameter_index_in_region): Removed.
3717         (is_parameter): Remove use of name_tree.
3718         * sese.h (struct name_tree): Removed.
3719         (struct sese): Remove use of name_tree.  New field params_names.
3720         (SESE_PARAMS_NAMES): New.
3721         (SESE_PARAMS): Remove duplicate.
3722         (parameter_index_in_region): Removed.
3723         (sese_nb_params): Remove use of name_tree.
3724         (struct clast_name_index): New.
3725         (new_clast_name_index): New.
3726         (clast_name_to_index): New.
3727         (save_clast_name_index): New.
3728         (debug_clast_name_index): New.
3729         (debug_clast_name_indexes_1): New.
3730         (debug_clast_name_indexes): New.
3731         (clast_name_index_elt_info): New.
3732         (eq_clast_name_indexes): New.
3733
3734 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3735
3736         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3737         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3738         (graphite_loop_normal_form): Do not pass region.  Do not
3739         initialize SESE_OLDIVS.
3740         (build_graphite_loop_normal_form): Update call to
3741         graphite_loop_normal_form.
3742         * sese.c (debug_oldivs): Removed.
3743         (new_sese): Do not initialize SESE_OLDIVS.
3744         (free_sese): Do not free SESE_OLDIVS.
3745         (oldiv_for_loop): Removed.
3746         * sese.h (struct sese): Remove old_ivs.
3747         (SESE_OLDIVS): Removed.
3748         (oldiv_for_loop): Removed.
3749
3750 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3753         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3754         replaced by a call to newivs_to_depth_to_newiv.
3755         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3756         (clast_to_gcc_expression_red): Same.
3757         (gcc_type_for_clast_expr): Same.
3758         (gcc_type_for_clast_eq): Same.
3759         (graphite_translate_clast_equation): Same.
3760         (graphite_create_guard_cond_expr): Same.
3761         (graphite_create_new_guard): Same.
3762         (graphite_create_new_loop): Same.
3763         (build_iv_mapping): Same.
3764         (translate_clast): Same.
3765         (gloog): Same.
3766         (loop_iv_stack_patch_for_consts): Removed.  *
3767         sese.c (iv_stack_entry_is_constant): Removed.
3768         (iv_stack_entry_is_iv): Removed.
3769         (loop_iv_stack_push_iv): Removed.
3770         (loop_iv_stack_insert_constant): Removed.
3771         (loop_iv_stack_pop): Removed.
3772         (loop_iv_stack_get_iv): Removed.
3773         (loop_iv_stack_get_iv_from_name): Removed.
3774         (debug_loop_iv_stack): Removed.
3775         (free_loop_iv_stack): Removed.
3776         (loop_iv_stack_remove_constants): Removed.  *
3777         sese.h (iv_stack_entry_kind): Removed.
3778         (iv_stack_entry_data_union): Removed.
3779         (iv_stack_entry_struct): Removed.
3780         (iv_stack_entry_p): Removed.
3781         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3782         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3783         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3784         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3785         (gbb_loop_at_index): Fix indenting.
3786         (gbb_loop_index): Removed.
3787
3788 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3789
3790         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3791         Call clast_name_to_index.
3792
3793 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3794
3795         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3796         do not pass params.  Get params from SESE_PARAMS.
3797         (clast_to_gcc_expression): Same.
3798         (clast_to_gcc_expression_red): Same.
3799         (gcc_type_for_clast_eq): Same.
3800         (graphite_translate_clast_equation): Same.
3801         (graphite_create_new_loop): Same.
3802         * sese.c (rename_variables_in_stmt): Fix comment.
3803
3804 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3805
3806         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3807         newivs_index.
3808         Call save_clast_name_index.
3809         (translate_clast): Pass newivs_index.
3810         (gloog): Create and free newivs_index.
3811
3812 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3815         (clast_name_index_p): New type.
3816         (debug_clast_name_index): New.
3817         (debug_clast_name_indexes_1): New.
3818         (debug_clast_name_indexes): New.
3819         (clast_name_index_elt_info): New.
3820         (eq_clast_name_indexes): New.
3821         (clast_name_to_index): New.
3822         (new_clast_name_index): New.
3823         (save_clast_name_index): New.
3824         (init_sese_params_index): New.
3825         (gloog): Call init_sese_params_index.
3826         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3827         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3828         (free_sese): Free SESE_PARAMS_INDEX.
3829         * sese.h (struct sese): Add params_index.
3830         (SESE_PARAMS_INDEX): New.
3831
3832 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3835         (graphite_create_new_loop): Pass the newivs vector.  Push the
3836         newly created IV to newivs.
3837         (translate_clast): Pass the newivs vector.
3838         (gloog): Create and destroy the newivs vector.
3839
3840 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3841
3842         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3843         (graphite_loop_normal_form): Initialize loop->aux with the unique
3844         IV that has been created.
3845
3846 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3847
3848         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3849         scev with parameters in the base part. They where forbidden
3850         exidently.
3851
3852 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3853
3854         * gcc.dg/graphite/graphite.exp: Set different default
3855         compile options by file names.
3856         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3857         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3858         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3859         * gcc.dg/graphite/scop-matmult.c: Ditto.
3860
3861 2009-05-08  Li Feng <nemokingdom@gmail.com>
3862
3863         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3864         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3865         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3866         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3867
3868 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3869
3870         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3871         by final cleanup.
3872
3873 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3874
3875         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3876         allow integer constant strides.
3877         (graphite_can_represent_expr): Depend on outermost_loop.
3878         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3879         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3880         build_scops_1): Same.
3881         (scopdet_basic_block_info): Same and insert layered SCoP
3882         detection.
3883         (try_generate_gimple_bb): Cleanup.
3884         (build_scops): Enable data references.
3885
3886         * gcc.dg/graphite/id-5.c: New.
3887         * gcc.dg/graphite/id-9.c: New.
3888         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3889         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3890
3891 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3892
3893         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3894         that we have not yet built for this SCoP.
3895
3896 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3897
3898         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3899         for complex numbers.
3900
3901 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3902
3903         * graphite-ppl.c: Fix build if cloog is not available.
3904
3905 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3906
3907         * tree-parloops.c (loop_parallel_p): Remove construction of
3908         NITER and REDUCTION_LIST.
3909         (try_get_loop_niter): New.
3910         (try_create_reduction_list): New.
3911         (parallelize_loops): Bypass the failed checkings in autopar
3912         when can_be_parallel in loop structure is set to true.
3913
3914 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3915
3916         * gcc.dg/graphite/id-6.c: Update testcase.
3917         * gcc.dg/graphite/scop-3.c: Dito.
3918
3919 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3920
3921         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3922         Enable EQ_EXPR and NE_EXPR again.
3923
3924 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3925
3926         * graphite-scop-detection.c (graphite_can_represent_scev):
3927         Add check if scev is affine multivariate.
3928         (harmful_stmt_in_bb): Check if we can represent the conditions.
3929         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3930         harmful_stmt_in_bb.
3931         * gcc.dg/graphite/id-7.c: New.
3932
3933 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3934
3935         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3936         Check all bbs in region, not only the bbs that are represented in
3937         GRAPHITE.
3938         (build_poly_scop): Add newline.
3939         * gcc.dg/graphite/id-8.c: New.
3940
3941 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3942
3943         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3944         when loop initialize.
3945         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3946         * common.opt: Declare flag_graphite_force_parallel.
3947         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3948         loop parallel.
3949         * graphite-poly.c (apply_poly_transforms): Introduce
3950         flag_graphite_force_parallel.
3951         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3952         * toplev.c (process_options): ditto and replace a not correctly
3953         encoded space.
3954
3955 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3956
3957         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3958         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3959         to the redefinition.
3960         (compute_cloog_iv_types_1): ditto.
3961         (build_iv_mapping): ditto.
3962         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3963         initialization.
3964         (free_gimple_bb): Removed GBB_LOOPS related free part.
3965         (build_bb_loops): Removed.
3966         * sese.h (struct gimple_bb): Removed loops.
3967         (GBB_LOOPS): Removed.
3968         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3969         (gbb_loop_index): ditto.
3970
3971 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3972
3973         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3974         allow non constant strides.
3975         * gcc.dg/graphite/scop-20.c: New.
3976
3977 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3978
3979         * graphite-scop-detection.c (dot_all_scops): Fix system call
3980         return value warning.
3981         (dot_scop): Same.
3982
3983 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3984
3985         * gcc.dg/graphite/id-6.c: Fix pattern.
3986         * gcc.dg/graphite/scop-3.c: Same.
3987
3988 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3989
3990         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3991         build_pairwise_constraint, dr_equality_constraints,
3992         build_pairwise_scheduling_equality,
3993         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3994         build_lexicographically_gt_constraint, dependence_polyhedron,
3995         graphite_legal_transform_dr, graphite_legal_transform_bb,
3996         graphite_legal_transform): New.
3997         * graphite-poly.h (graphite_legal_transform): Declared.
3998         * graphite-sese-to-poly.c (build_poly_scop): Call to
3999         graphite_legal_transform is disabled for the moment.
4000
4001 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4002
4003         * graphite-poly.h (pbb_nb_scattering_dims): New.
4004         (pbb_nb_scattering): Use it.
4005
4006 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4009         Pointset_Powerset version of ppl_insert_dimensions.
4010         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4011
4012 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4013
4014         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4015
4016 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4017
4018         * graphite-poly.h: Fix comment.
4019
4020 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4021
4022         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4023
4024 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4025
4026         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4027         statements.
4028
4029 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4030
4031         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4032         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4033         conditions.
4034
4035 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4036
4037         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4038         handle EQ_EXPR and NE_EXPR.
4039
4040 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4041
4042         * graphite-poly.h (poly_dr): Fix comment.
4043
4044 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4045             Tobias Grosser  <grosser@fim.uni-passau.de>
4046
4047         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4048         with a zero dimension polyhedron.
4049         (find_scop_parameters): Move the call to scop_set_nb_params here.
4050         (build_loop_iteration_domains): Store in loop->aux the iteration
4051         domain polyhedron.
4052         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4053         by any loop in scop.
4054         (build_poly_scop): Do not call scop_set_nb_params.
4055
4056 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4057             Tobias Grosser  <grosser@fim.uni-passau.de>
4058
4059         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4060         add_condition_to_domain not GT_EXPR.
4061
4062 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4063
4064         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4065         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4066         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4067         upper_bound_assign to calculate unions.
4068         * gcc.dg/graphite/id-6.c: New.
4069
4070 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4071
4072         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4073         handle abnormal edges.
4074
4075 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4076
4077         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4078         (free_poly_bb): Also free poly_drs.
4079         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4080         (poly_dr): Polyhedron to Pointset_Powerset.
4081         (pdr_accessp_nb_subscripts): Same.
4082         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4083         poly_drs.
4084
4085 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4086
4087         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4088         names into more meaningful names.
4089
4090 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4091
4092         * gfortran.dg/graphite/interchange-1.c: New.
4093         * gfortran.dg/graphite/interchange-2.c: New.
4094
4095 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4096
4097         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4098         the reduction_list.
4099         * tree-parloops.c (rewrite_phi_with_iv): New.
4100         (rewrite_all_phi_nodes_with_iv): New.
4101         (canonicalize_loop_ivs): Call them.
4102
4103 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4104
4105         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4106         graphite_find_data_references_in_stmt.
4107         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4108         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4109
4110 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4111
4112         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4113
4114 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4115
4116         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4117         instead of bb_in_region.
4118         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4119         (build_sese_conditions): Use flag_bb_in_sese.
4120         * sese.c (register_bb_in_sese): Removed.
4121         (new_sese): Remove initialization of SESE_REGION_BBS.
4122         (free_sese): Do not free SESE_REGION_BBS.
4123         * sese.h (struct sese): Remove field region_basic_blocks.
4124         (SESE_REGION_BBS): Removed.
4125         (bb_in_sese_p): Implement in function of bb_in_region.
4126
4127 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4128
4129         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4130         loops.
4131
4132 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4133
4134         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4135         and EQ_EXPR.
4136         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4137         (add_condition_to_domain): New.
4138         (add_condition_to_pbb): New.
4139         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4140         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4141
4142 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4143
4144         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4145         ppl_Pointset_Powerset.
4146         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4147         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4148         (pbb_nb_loops): Same.
4149         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4150         add_conditions_to_domain): Same.
4151         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4152         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4153         ppl_const_Polyhedron_t.
4154         (ppl_print_powerset_matrix): New.
4155         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4156         ppl_print_powerset_matrix): New.
4157         (ppl_print_polyhedron_matrix): Updated.
4158
4159 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4160
4161         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4162
4163 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4164
4165         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4166         (print_iteration_domains, debug_iteration_domain,
4167         debug_iteration_domains): New.
4168         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4169         debug_iteration_domains): Declared.
4170         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4171         indenting.
4172
4173 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4174             Sebastian Pop  <sebastian.pop@amd.com>
4175
4176         * graphite-poly.h (print_iteration_domain): New.
4177         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4178         (build_sese_conditions_1, build_sese_conditions_after,
4179         build_sese_conditions_before): New.
4180         (build_sese_conditions): Rewritten.
4181
4182 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4183             Tobias Grosser  <grosser@fim.uni-passau.de>
4184
4185         Cleanup of code generation liveouts.
4186         * graphite-clast-to-gimple.c (translate_clast): Use a single
4187         rename_map instead of one per translated statement.
4188         Do not use SESE_LIVEOUT_RENAMES.
4189         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4190         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4191         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4192         phi node of a reduction: when a loop contains a reduction used outside
4193         the loop, there should be a scalar close phi node on the exit block.
4194         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4195         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4196         (free_sese): Do not free them.
4197         (sese_build_liveouts_use): Do not use them.
4198         (sese_build_liveouts_bb): Same.
4199         (sese_build_liveouts): Same.
4200         (sese_insert_phis_for_liveouts): Same.
4201         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4202         (defined_in_loop_p): New.
4203         (alive_after_loop): New.
4204         (close_phi_not_yet_inserted_p): New.
4205         (struct alep, alep_p): New.
4206         (add_loop_exit_phis): Remove from the rename_map all the names defined
4207         in the code generated loop.
4208         (insert_loop_close_phis): Traverse the rename_map passed to it.
4209         Don't use SESE_LIVEOUT_RENAMES.
4210         (default_liveout_before_guard): Renamed default_before_guard.
4211         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4212         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4213         (register_sese_liveout_renames): Removed.
4214         (copy_bb_and_scalar_dependences): Do not call it.
4215         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4216         reduction_list.
4217         (SESE_LIVEOUT): Removed.
4218         (SESE_LIVEOUT_RENAMES): Removed.
4219         (SESE_REDUCTION_LIST): Removed.
4220         (sese_build_liveouts): Removed.
4221         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4222         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4223         (insert_guard_phis): Same.
4224         (rename_map_elt): Declare a VEC of them.
4225         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4226         trees not pointers to trees.
4227
4228         Rewrite in canonical close SSA form:
4229         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4230         (limit_scops): Close the scop after the block containing the close phi
4231         nodes.
4232         (canonicalize_loop_closed_ssa): New.
4233         (canonicalize_loop_closed_ssa_form): New.
4234         (build_scops): Call canonicalize_loop_closed_ssa_form.
4235
4236         * graphite-sese-to-poly.c: Fix typos.
4237
4238 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4239
4240         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4241         Extended.
4242         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4243         (print_pbb): Add conditions.
4244
4245 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4246             Sebastian Pop  <sebastian.pop@amd.com>
4247
4248         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4249         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4250         (build_scop_bbs_1): New.
4251         (build_scop_bbs): Rewrite.
4252         * sese.h (bb_in_region): New.
4253
4254 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4255
4256         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4257         poly_drs vector.
4258         (print_scop): Style.
4259         * graphite-poly.h (poly_bb): Add drs vector.
4260         (PBB_DRS): Add accessor.
4261         * graphite-sese-to-poly.c (build_poly_dr): New.
4262         (build_pbb_drs, build_scop_drs): New.
4263         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4264
4265 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4266
4267         * tree-ssa-loop.c: Include forgotten toplev.h
4268
4269 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4270
4271         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4272         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4273         * gcc.dg/graphite/pr37928.c: Same
4274         * gcc.dg/graphite/pr38409.c: Same
4275         * gcc.dg/graphite/pr38498.c: Same
4276         * gcc.dg/graphite/pr38559.c: Same
4277         * gcc.dg/graphite/pr39335.c: Same
4278         * gcc.dg/graphite/pr39335_1.c: Same
4279         * gfortran.dg/graphite/block-2.f: Same
4280         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4281         with -floop-*.
4282
4283 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4284
4285         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4286         build_access_matrix, build_scop_data_accesses): Remove access function
4287         building. (We get a new version soon).
4288         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4289         * sese.h (nb_loops_around_loop_in_sese): Remove.
4290         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4291
4292 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4293             Sebastian Pop  <sebastian.pop@amd.com>
4294
4295         * graphite-scop-detection.c (struct scopdet_info): Rename last
4296         field to exit.
4297         (scopdet_basic_block_info, build_scops_1): Don't use
4298         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4299
4300 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4301             Sebastian Pop  <sebastian.pop@amd.com>
4302
4303         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4304         * sese.c (sese_build_liveouts_use): Renamed from
4305         sese_build_livein_liveouts_use. Remove liveins.
4306         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4307         Call sese_build_liveouts_use.
4308         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4309         Call sese_build_liveouts_bb.
4310         (new_sese, free_sese): Remove liveins.
4311         (sese_add_exit_phis_var): Deleted.
4312         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4313         directly.
4314         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4315
4316         * sese.h (sese): Remove num_ver and livein.
4317         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4318
4319 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4320
4321         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4322
4323 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4324
4325         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4326         (build_scop_scattering): Do not use compare_prefix_loops any more.
4327         (nb_common_loops): New.
4328
4329 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4330
4331         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4332         (register_old_and_new_names): Renamed set_rename.
4333
4334 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4335
4336         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4337         of the decl from the previous commit.
4338
4339 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4340
4341         * graphite-scop-detection.c (dot_scop): New.
4342         * graphite-scop-detection.h (dot_scop): Declared.
4343
4344 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4345
4346         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4347
4348 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4349
4350         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4351         condition at the end of the loop.
4352         * graphite.c (graphite_initialize, graphite_finalize): Print to
4353         dump_file the compiled function.
4354         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4355         of create_empty_loop_on_edge.
4356         (translate_clast): Update the code generation of loops for the new
4357         shape of loops.
4358         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4359
4360 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4361
4362         Reverted the patch from 2009-03-19.
4363
4364 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4365
4366         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4367         poly_drs vector.
4368         (print_scop): Style.
4369         * graphite-poly.h (poly_bb): Add drs vector.
4370         (PBB_DRS): Add accessor.
4371         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4372         (build_access_matrix_with_af, build_access_matrix,
4373         build_scop_data_accesses): Delete.
4374         (build_poly_dr): New.
4375         (build_pbb_drs, build_scop_drs): New.
4376         (build_poly_scop): call build_scop_drs.
4377
4378 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4381         once per basic block.
4382
4383 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4384
4385         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4386         (graphite_can_represent_expr): Renamed from loop_affine_expr
4387         and enhanced.
4388         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4389         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4390         (scopdet_basic_block_info): Actually define entry_block.
4391         (stmt_simple_memref_p): Moved here from ...
4392
4393         * tree-data-ref.c (stmt_simple_memref_p): here.
4394         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4395
4396 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4397
4398         * gcc.dg/graphite/id-4.c: New.
4399
4400 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4403         (register_old_and_new_names): Update the content of the map.
4404         When there was already a rename_map_elt in the map at that
4405         location, free it.
4406         (copy_bb_and_scalar_dependences): Do rename_variables after
4407         expand_scalar_variables.
4408         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4409         of the map.  When there was already a rename_map_elt in the
4410         map at that location, free it.
4411         (translate_clast): Pass the rename_map.  Do not initialize and free
4412         a rename_map per stmt_user.
4413         (gloog): Initialize and free one rename_map and pass it to
4414         translate_clast.
4415
4416 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4417
4418         * sese.c (expand_scalar_variables_stmt,
4419         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4420         parameter.
4421         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4422         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4423         the gimple_stmt_iterator of the statement to be expanded.
4424         * graphite-scop-detection.c (is_simple_operand): Do handle
4425         REALPART_EXPR.
4426
4427 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4428
4429         * graphite-scop-detection.c (is_simple_operand): Do not handle
4430         REALPART_EXPR.
4431         * gcc.dg/graphite/id-2.c: New.
4432
4433         * graphite-sese-to-poly.c (build_bb_loops,
4434         add_value_to_dim, scan_tree_for_params_right_scev,
4435         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4436         find_params_in_bb, build_loop_iteration_domains,
4437         add_conditions_to_domain): Remove subtract.
4438
4439 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4440
4441         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4442         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4443         pbb_loop_at_index -> gbb_loop_at_index.
4444         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4445         (debug_loop_vec): Delete.
4446         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4447         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4448         (PBB_LOOPS): Removed.
4449         (PBB_BLACK_BOX): Insert cast.
4450         (pbb_set_black_box): New setter.
4451         (pbb_loop_at_index, pbb_loop_index): Removed.
4452         (scop_set_region, scop_set_nb_params): New.
4453         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4454         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4455         (build_poly_scop): Use scop_set_nb_params.
4456         * sese.h (gimple_bb): Add LOOPS.
4457         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4458
4459 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4460
4461         Revert previous commit.
4462
4463 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4464
4465         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4466         (register_old_and_new_names): Update the content of the map.
4467         When there was already a rename_map_elt in the map at that
4468         location, free it.
4469         (copy_bb_and_scalar_dependences): Do rename_variables after
4470         expand_scalar_variables.
4471         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4472         of the map.  When there was already a rename_map_elt in the
4473         map at that location, free it.
4474         (translate_clast): Pass the rename_map.  Do not initialize and free
4475         a rename_map per stmt_user.
4476         (gloog): Initialize and free one rename_map and pass it to
4477         translate_clast.
4478
4479 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4480
4481         Remove forgotten line in revert.
4482
4483 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485         Revert previous commit.
4486
4487 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4488
4489         * sese.c (register_old_and_new_names): Update the content
4490         of the map.  When there was already a rename_map_elt in the
4491         map at that location, free it.
4492         (copy_bb_and_scalar_dependences): Do rename_variables after
4493         expand_scalar_variables.
4494         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4495         of the map.  When there was already a rename_map_elt in the
4496         map at that location, free it.
4497         (translate_clast): Pass the rename_map.  Do not initialize and free
4498         a rename_map per stmt_user.
4499         (gloog): Initialize and free one rename_map and pass it to
4500         translate_clast.
4501
4502 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4503
4504         * graphite-clast-to-gimple.c (translate_clast): context_loop
4505         is never NULL.
4506
4507 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4508             Sebastian Pop  <sebastian.pop@amd.com>
4509
4510         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4511         of the use of ppl_Polyhedron_map_space_dimensions.
4512
4513 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4514             Sebastian Pop  <sebastian.pop@amd.com>
4515
4516         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4517         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4518         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4519         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4520         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4521         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4522         pbb_nb_params): New.
4523         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4524         nb_loops_around_pbb): Adapt return types.
4525
4526 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4527
4528         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4529         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4530         graphite-scop-detection.o, graphite-poly.o): Add
4531         more headers.
4532
4533 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4534
4535         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4536         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4537         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4538
4539 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4540
4541         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4542         * gcc.dg/graphite/pr37828.c: Same.
4543         * gcc.dg/graphite/pr37684.c: Same.
4544         * gcc.dg/graphite/block-0.c: Same.
4545         * gcc.dg/graphite/block-1.c: Same.
4546         * gcc.dg/graphite/block-2.c: Same.
4547         * gcc.dg/graphite/block-3.c: Same.
4548         * gcc.dg/graphite/block-4.c: Same.
4549         * gcc.dg/graphite/block-5.c: Same.
4550         * gcc.dg/graphite/block-6.c: Same.
4551         * gfortran.dg/graphite/pr38083.f90: Same.
4552         * gfortran.dg/graphite/block-1.f90: Same.
4553         * gfortran.dg/graphite/block-3.f90: Same.
4554         * gfortran.dg/graphite/pr37852.f90: Same.
4555         * gfortran.dg/graphite/block-4.f90: Same.
4556         * gfortran.dg/graphite/pr37980.f90: Same.
4557         * gfortran.dg/graphite/pr38953.f90: Same.
4558         * gfortran.dg/graphite/pr37857.f90: Same.
4559         * opts.c: Remove -floop-block from -O2.
4560         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4561         -floop-strip-mine are used.
4562
4563 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4564             Sebastian Pop  <sebastian.pop@amd.com>
4565
4566         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4567         dimensions.
4568         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4569         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4570         strip_mine_profitable_p, is_interchange_valid,
4571         graphite_trans_bb_block, graphite_trans_loop_block,
4572         graphite_trans_scop_block): Temporary removed.
4573         (extend_scattering, unify_scattering_dimensions): New.
4574         (print_scattering_function, graphite_read_transforms):
4575         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4576         (graphite_generate_scattering_fns): Removed.
4577         (apply_poly_transforms): Cleanup.
4578         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4579         (schedule_to_scattering): Moved.
4580         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4581         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4582         (pbb_nb_scattering): New.
4583         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4584         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4585         Removed.
4586         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4587         shift_poly.
4588         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4589         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4590         -> PBB_TRANSFORMED_SCATTERING.
4591         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4592         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4593         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4594         (check_poly_representation): Do not return bool.
4595         (graphite_transform_loops): Reformat.
4596         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4597
4598 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4599
4600         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4601         debug_pbb_domain, debug_pbb, debug_scop): New.
4602         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4603         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4604
4605 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4606
4607         PR middle-end/39335
4608         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4609         when the type precision of the induction variable should be
4610         larger than the type precision of nit.
4611         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4612         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4613         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4614
4615         * gcc.dg/graphite/pr39335_1.c: New.
4616         * gcc.dg/graphite/pr39335.c: New.
4617
4618 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4621         SSA_NAMES not struct reduction_info.
4622
4623 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4624
4625         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4626
4627 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4628             Tobias Grosser  <grosser@fim.uni-passau.de>
4629
4630         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4631         (free_sese): Free SESE_REDUCTION_LIST.
4632         * sese.h (struct sese): Add field reduction_list.
4633         (SESE_REDUCTION_LIST): New.
4634         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4635         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4636
4637 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4638             Tobias Grosser  <grosser@fim.uni-passau.de>
4639
4640         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4641         of loop_p.
4642
4643 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4644             Tobias Grosser  <grosser@fim.uni-passau.de>
4645
4646         * tree-parloops.c (struct brli, build_reduction_list_info,
4647         analyze_reduction_list, gather_scalar_reductions): New.
4648         (loop_parallel_p): Build a reduction list containing only
4649         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4650         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4651         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4652         * tree-flow.h (gather_scalar_reductions): Declared.
4653
4654 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4655
4656         PR middle-end/39308
4657         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4658         number_of_iterations_exit from a gcc_assert.
4659
4660 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4661             Jan Sjodin  <jan.sjodin@amd.com>
4662
4663         * output.h (graphite_out_file, graphite_in_file): Declared.
4664         * toplev.c (graphite_out_file, graphite_in_file): New.
4665         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4666         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4667         Don't call schedule_to_scattering.
4668         * common.opt (fgraphite-write, fgraphite-read): New.
4669         * graphite-poly.c: Include output.h.
4670         (print_scattering_function, print_scattering_functions,
4671         debug_scattering_function, debug_scattering_functions,
4672         graphite_write_transforms, graphite_read_transforms,
4673         graphite_generate_scattering_fns): New.
4674         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4675         Call graphite_generate_scattering_fns, graphite_write_transforms,
4676         graphite_read_transforms.
4677         (new_poly_bb): Initialize PBB_SCATTERING.
4678         (free_poly_bb): Free PBB_SCATTERING.
4679         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4680         * graphite-poly.h (struct poly_bb): Add field scattering.
4681         (PBB_SCATTERING): New.
4682         (print_scattering_function, print_scattering_functions,
4683         debug_scattering_function, debug_scattering_functions): Declared.
4684         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4685         GMP values, not integers!
4686         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4687         ppl_read_polyhedron_matrix): New.
4688         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4689         debug_ppl_polyhedron_matrix,
4690         ppl_read_polyhedron_matrix): Declared.
4691         * Makefile.in (graphite-poly.o): Depends on output.h.
4692
4693 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4694             Tobias Grosser  <grosser@fim.uni-passau.de>
4695
4696         Revert this change:
4697         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4698         scalar evolutions in the scop_entry->loop_father.
4699
4700 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4701             Tobias Grosser  <grosser@fim.uni-passau.de>
4702
4703         * graphite.h (ref_nb_loops): Remove declaration.
4704         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4705         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4706         debug_gbb): Moved to sese.h.
4707         * sese.h: As said.
4708
4709 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4710             Tobias Grosser  <grosser@fim.uni-passau.de>
4711
4712         * graphite-data-ref.[ch]: Disable.
4713
4714 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4715             Tobias Grosser  <grosser@fim.uni-passau.de>
4716
4717         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4718         scalar evolutions in the scop_entry->loop_father.
4719
4720 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4721
4722         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4723         (graphite_cannot_represent_loop_niter): Renamed
4724         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4725         (limit_scops): build_sese_loop_nests does not return a bool.
4726         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4727         * sese.c (nb_reductions_in_loop): ... from here.
4728         (graphite_loop_normal_form): ... from here.
4729         (sese_record_loop): Does not fail, so does not return a bool.
4730         (build_sese_loop_nests): Same.
4731         * sese.h (build_sese_loop_nests): Update declaration.
4732         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4733         (build_graphite_loop_normal_form): New.
4734         (gloog): Call build_graphite_loop_normal_form.
4735         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4736         build_sese_loop_nests.
4737
4738         * gcc.dg/graphite/id-1.c: New.
4739
4740 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4741             Tobias Grosser  <grosser@fim.uni-passau.de>
4742
4743         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4744         The SCoP detection fix is sufficient.
4745
4746 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4747
4748         PR tree-optimization/39260
4749         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4750         the basic block contains a condition with a real type.
4751         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4752
4753         * gcc.dg/graphite/pr39260.c: New.
4754
4755 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4756
4757         * graphite-poly.c: Inlcude params.h.
4758         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4759         the size of a tile.
4760         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4761         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4762
4763 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4764             Tobias Grosser  <grosser@fim.uni-passau.de>
4765
4766         * graphite-scop-detection.c (dot_all_scops_1,
4767         dot_all_scops): Moved here.
4768         * graphite-scop-detection.h (dot_all_scops): Declared here.
4769         * graphite.c (graphite_initialize, graphite_finalize): New.
4770         (graphite_transform_loops): Cleaned up.
4771         * sese.c (debug_oldivs): Moved here.
4772         * graphite-poly.c (graphite_apply_transformations): Renamed
4773         apply_poly_transforms.
4774         (debug_loop_vec): Moved here.
4775         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4776         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4777         find_scop_parameters, build_scop_iteration_domain,
4778         add_conditions_to_constraints, build_scop_canonical_schedules,
4779         build_scop_data_accesses): Now static.
4780         (build_poly_scop, check_poly_representation): New.
4781
4782 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4783
4784         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4785         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4786         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4787         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4788         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4789         scan_tree_for_params, struct irp_data, dx_record_params,
4790         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4791         build_loop_iteration_domains, add_conditions_to_domain,
4792         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4793         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4794         build_sese_conditions, add_conditions_to_constraints,
4795         build_scop_iteration_domain, build_access_matrix_with_af,
4796         build_access_matrix,
4797         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4798
4799         * graphite-sese-to-poly.c: New.
4800         * graphite-sese-to-poly.h: New.
4801
4802         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4803
4804 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4805
4806         * graphite.c: Split graphite code generation to a new file.
4807         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4808         max_precision_type, clast_to_gcc_expression_red,
4809         clast_to_gcc_expression, gcc_type_for_clast_expr,
4810         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4811         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4812         graphite_create_new_guard, clast_get_body_of_loop,
4813         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4814         graphite_create_new_loop, build_iv_mapping, copy_renames,
4815         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4816         compute_cloog_iv_types, free_scattering, save_var_name,
4817         initialize_cloog_names, build_scop_context, build_cloog_prog,
4818         set_cloog_options, debug_clast_stmt, scop_to_clast,
4819         print_generated_program, debug_generated_program,
4820         gloog): Moved to graphite-clast-to-gimple.c.
4821
4822         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4823
4824         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4825         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4826         loop_iv_stack_pop, loop_iv_stack_get_iv,
4827         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4828         free_loop_iv_stack, loop_iv_stack_remove_constants,
4829         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4830         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4831         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4832         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4833         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4834         get_vdef_before_sese, sese_adjust_vphi,
4835         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4836         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4837         is_iv, expand_scalar_variables_ssa_name,
4838         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4839         expand_scalar_variables, rename_variables, remove_condition,
4840         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4841         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4842         default_liveout_before_guard, add_guard_exit_phis,
4843         insert_guard_phis, register_old_and_new_names,
4844         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4845         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4846         if_region_set_false_region, create_if_region_on_edge,
4847         move_sese_in_condition): Moved to sese.c.
4848
4849         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4850         if_region_exit, if_region_get_condition_block,
4851         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4852         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4853         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4854         ivtype_map_elt, new_ivtype_map_elt,
4855         recompute_all_dominators): Moved to sese.h.
4856
4857         * graphite-clast-to-gimple.c: New.
4858         * graphite-clast-to-gimple.h: New.
4859         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4860         * sese.c: Modified as said above.
4861         * sese.h: Same.
4862
4863 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4864
4865         * graphite.c: Split scop detection to a new file.
4866         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4867         move_sd_regions, loop_affine_expr, exclude_component_ref,
4868         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4869         graphite_cannot_represent_loop_niter, struct scopdet_info,
4870         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4871         find_single_entry_edge, find_single_exit_edge,
4872         create_single_entry_edge, sd_region_without_exit,
4873         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4874         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4875         Moved to graphite-scop-detection.c.
4876
4877         * graphite-scop-detection.c: New.
4878         * graphite-scop-detection.h: New.
4879         * Makefile.in: Add new rule for graphite-scop-detection.o.
4880
4881         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4882         tree-scalar-evolution.h.
4883         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4884         build_sese_loop_nests): Moved here from graphite.c.
4885         (param_index): Renamed parameter_index_in_region.
4886
4887 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4888             Sebastian Pop  <sebastian.pop@amd.com>
4889
4890         * gcc.dg/graphite/block-0.c: Expected to fail now.
4891         * gcc.dg/graphite/block-1.c: Same.
4892         * gcc.dg/graphite/block-5.c: Same.
4893         * gcc.dg/graphite/block-6.c: Same.
4894
4895 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4896             Sebastian Pop  <sebastian.pop@amd.com>
4897
4898         * graphite.h: Separate from graphite_bb_p the polyhedral
4899         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4900         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4901         graphite-data-ref.h.
4902         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4903         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4904         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4905         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4906         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4907         scop_nb_params): Moved to graphite-poly.h.
4908         * graphite-data-ref.c: Same.
4909         * graphite-data-ref.h: New.
4910         * graphite.c: Same.
4911         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4912         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4913         is_interchange_valid, graphite_trans_bb_block,
4914         graphite_trans_loop_block, scop_max_loop_depth,
4915         graphite_trans_scop_block, graphite_apply_transformations,
4916         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4917         graphite-poly.c.
4918         * graphite-poly.h: New.
4919         * graphite-poly.c: New.
4920         * Makefile.in (OBJS-common): Add graphite-poly.o.
4921         (graphite-poly.o): New rule.
4922         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4923         (DR_SCOP): Removed.
4924
4925 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4926             Tobias Grosser  <grosser@fim.uni-passau.de>
4927
4928         * graphite.c: Replace gb -> gbb.
4929         * graphite.h: Same.
4930         * graphite-data-ref.c: Same.
4931
4932 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4933             Tobias Grosser  <grosser@fim.uni-passau.de>
4934
4935         * Makefile.in (OBJS-commmon): Add sese.o.
4936         (sese.o): New.
4937         (graphite.o): Add sese.h.
4938         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4939         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4940         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4941         Move to sese.
4942         (block_before_scop): Add missing return.
4943         (new_scop, free_scop): Remove SESE data structures.
4944         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4945         find_scop_parameters, build_loop_iteration_domains,
4946         add_conditions_to_domain, register_scop_liveout_renames,
4947         copy_bb_and_scalar_dependences): Scop -> SESE.
4948
4949         (add_conditions_to_domain): SCoP -> SESE and remove check
4950         (scop_contains_non_iv_scalar_phi_nodes): New.
4951         (build_scop_conditions_1, build_scop_conditions): Remove check for
4952         non iv scalar phi nodes.
4953         (print_scop_statistics): New.
4954         (graphite_transform_loops): Cleanup.
4955
4956         * graphite.h: Move to sese & cleanup.
4957         * sese.c: New.
4958         * sese.h: New.
4959
4960 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4961             Tobias Grosser  <grosser@fim.uni-passau.de>
4962
4963         * graphite.c (build_scop_conditions_1): Conditions are only
4964         at the end of a basic block.
4965
4966 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4967             Tobias Grosser  <grosser@fim.uni-passau>
4968
4969         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4970         field.
4971         (GBB_ALPHA): Removed.
4972
4973 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4974             Tobias Grosser  <grosser@fim.uni-passau.de>
4975
4976         * graphite-data-ref.c (graphite_test_dependence): Don't use
4977         GBB_DYNAMIC_SCHEDULE.
4978         * graphite.c (new_graphite_bb): Same.
4979         (free_graphite_bb): Same.
4980         (build_scop_dynamic_schedules): Removed.
4981         (graphite_transform_loops): Don't call it.
4982         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4983         (GBB_DYNAMIC_SCHEDULE): Removed.
4984
4985 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4986             Tobias Grosser  <grosser@fim.uni-passau.de>
4987
4988         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4989         (print_graphite_bb): Same.
4990         (build_cloog_prog): Same.
4991
4992 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4993             Tobias Grosser  <grosser@fim.uni-passau.de>
4994
4995         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4996
4997 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4998             Tobias Grosser  <grosser@fim.uni-passau.de>
4999
5000         * graphite.c (build_scop_context): Don't use CloogMatrix.
5001         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5002         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5003
5004 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5005             Tobias Grosser  <grosser@fim.uni-passau.de>
5006
5007         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5008         liveout_renames, add_params fields...
5009         (struct sese): ... here.
5010         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5011         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5012
5013 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5014             Tobias Grosser  <grosser@fim.uni-passau.de>
5015
5016         * graphite.c (print_scop): Do not print the CLooG program.
5017         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5018         build_cloog_prog, gloog): Don't use SCOP_PROG.
5019         (find_transform): Renamed scop_to_clast.
5020         (print_generated_program, debug_generated_program): New.
5021         (graphite_transform_loops): Adapt to new interface.
5022         * graphite.h (struct scop): Remove program field.
5023         (SCOP_PROG): Removed.
5024         (print_generated_program, debug_generated_program): Declared.
5025
5026 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5027
5028         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5029         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5030         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5031         free_graphite_bb, build_scop_canonical_schedules,
5032         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5033         schedules are now represented using a ppl_Linear_Expression_t.
5034         * graphite.h (struct graphite_bb): Same.
5035         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5036         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5037
5038 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5039
5040         * graphite.c: Free local memory.
5041         * graphite-ppl.c: Same.
5042
5043 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5044
5045         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5046         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5047         swap_constraint_variables, scale_constraint_variable): Removed.
5048         (graphite_trans_bb_strip_mine): Remove pong.
5049         * graphite-ppl.c: Include missing header files.
5050         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5051         * graphite-ppl.h (ppl_strip_loop): Declared.
5052         * Makefile.in (graphite-ppl.o): Adjust dependences.
5053
5054 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5055
5056         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5057         (build_scop_iteration_domain): Same.
5058
5059 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5060
5061         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5062         ping pong.
5063         (add_value_to_dim, scan_tree_for_params_right_scev,
5064         scan_tree_for_params_int): New.
5065         * graphite-ppl.c (oppose_constraint): New.
5066         (insert_constraint_into_matrix): Implement missing cases.
5067         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5068
5069 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5070
5071         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5072         use ppl_move_dimension.
5073
5074 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5075
5076         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5077         * graphite.c: Same.
5078         * graphite.h: Same.
5079         * graphite-ppl.c: Same.
5080         * graphite-ppl.h: Same.
5081
5082 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5083
5084         Revert last 3 commits.
5085
5086 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5087
5088         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5089         ping pong.
5090         (add_value_to_dim, scan_tree_for_params_right_scev,
5091         scan_tree_for_params_int): New.
5092         * graphite-ppl.c (oppose_constraint): New.
5093         (insert_constraint_into_matrix): Implement missing cases.
5094         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5095
5096 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5097
5098         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5099
5100 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5101             Tobias Grosser  <grosser@fim.uni-passau.de>
5102
5103         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5104         use ppl_move_dimension.
5105         * graphite-ppl.c (ppl_move_dimension): New.
5106         * graphite-ppl.h (ppl_move_dimension): Declared.
5107
5108 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5109
5110         * graphite.c: Do not include cloog/cloog.h.
5111         (print_graphite_bb): Remove ping pong, call PPL print function.
5112
5113 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5114
5115         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5116         (graphite.o): Add dependence on graphite-ppl.h.
5117         (graphite-ppl.o): New.
5118         (graphite-data-ref.c): Ping pong between PPL data structures
5119         and matrices.
5120         * graphite-ppl.c: New.
5121         * graphite-ppl.h: New.
5122         * graphite.c: Include graphite-ppl.h.
5123         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5124         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5125         Ping pong between PPL data structures and matrices.
5126         (new_graphite_bb): Create a PPL constraint system.
5127         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5128         (build_loop_iteration_domains): Use PPL functions.
5129         * graphite.h: Include graphite-ppl.h.  Fix comments.
5130         (graphite_bb): Use a ppl_Constraint_System_t instead of
5131         CloogMatrix for representing the domain.
5132         (scop): Remove static_schedule.
5133         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5134
5135 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5136
5137         * graphite.c: Fix some comments.
5138
5139 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5140
5141         PR middle-end/38953
5142         * graphite.c (if_region_set_false_region): After moving a region
5143         in the false branch of a condition, remove the empty dummy
5144         basic block.
5145         (gloog): Remove wrong fix for PR38953.
5146
5147 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5148
5149         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5150         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5151         register_bb_in_sese, new_sese, free_sese): Moved.
5152         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5153         outermost_loop_in_scop, build_scop_iteration_domain,
5154         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5155         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5156         Use loop_in_sese_p instead of loop_in_scop_p.
5157         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5158         (free_scop): Do not free SCOP_BBS_B.
5159         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5160         ref_nb_loops): Moved here...
5161         * graphite.h (ref_nb_loops): ... from here.
5162         (struct scop): Remove bbs_b bitmap.
5163         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5164         * gcc.dg/graphite/scop-19.c: New
5165
5166 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5167
5168         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5169         detection.
5170
5171 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5172
5173         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5174         eq_loop_to_cloog_loop): Remove.
5175         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5176         * graphite.h (struct scop): Remove loop2cloog_loop.
5177         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5178
5179 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5180
5181         * opts.c (decode_options): Only add graphite options to O2
5182         if we compile with graphite enabled.
5183
5184 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5185
5186         * Merge from mainline (r143163:143684).
5187
5188 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5189
5190         * graphite.c (debug_value): Removed.
5191         * graphite.h (debug_value): Removed.
5192
5193 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5194
5195         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5196         after graphite: pass_copy_prop does not maintain a proper loop closed
5197         SSA form.  pass_copy_prop should be fixed.
5198
5199 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5200
5201         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5202
5203 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5204
5205         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5206         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5207         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5208         changed the CFG.
5209
5210 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5211
5212         * graphite.c (gloog): Return true when code gen succeeded.
5213         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5214         the code of the function did not changed.  After cleanup_tree_cfg
5215         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5216         form.
5217
5218 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5219
5220         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5221         gimple_call_lhs is NULL.
5222
5223 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5224             Tobias Grosser  <tobi.grosser@amd.com>
5225
5226         * graphite.c (graphite_trans_scop_block): Do not block single
5227         nested loops.
5228
5229 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5230             Tobias Grosser  <tobi.grosser@amd.com>
5231
5232         * graphite.c (build_scop_canonical_schedules): Start schedules at
5233         zero.
5234
5235 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5236             Tobias Grosser  <tobi.grosser@amd.com>
5237
5238         * graphite.c (compare_prefix_loops): New.
5239         (build_scop_canonical_schedules): Rewritten.
5240         (graphite_transform_loops): Move build_scop_canonical_schedules
5241         after build_scop_iteration_domain.
5242
5243 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5244             Tobias Grosser  <tobi.grosser@amd.com>
5245
5246         * graphite.c (add_conditions_to_domain): Add the loops to
5247         the dimension of the iteration domain.  Do copy the domain
5248         only when it exists.
5249         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5250         (add_conditions_to_constraints): New.
5251         (can_generate_code_stmt, can_generate_code): Removed.
5252         (gloog): Do not call can_generate_code.
5253         (graphite_transform_loops): Call add_conditions_to_constraints
5254         after building the iteration domain.
5255
5256 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5257             Tobias Grosser  <tobi.grosser@amd.com>
5258             Jan Sjodin  <jan.sjodin@amd.com>
5259
5260         * graphite.c (scan_tree_for_params): On substractions negate
5261         all the coefficients of the term.
5262         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5263         of more than two operands.
5264         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5265         (get_vdef_before_scop): Handle also the case of default definitions.
5266
5267 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5268
5269         PR middle-end/38431
5270         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5271         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5272         (gloog): Do not call cleanup_tree_cfg.
5273         (graphite_transform_loops): Call cleanup_tree_cfg after all
5274         scops have been code generated.
5275
5276 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5277
5278         * passes.c (init_optimization_passes): Schedule after
5279         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5280
5281 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5282
5283         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5284         Fix comment.
5285         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5286         Set the type of an expression to the type of its assign statement.
5287         (expand_scalar_variables_expr):  Do not pass loop_p.
5288         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5289         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5290         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5291
5292 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5293
5294         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5295         an expression to the gimple_expr_type of its assign statement.
5296         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5297         or tcc_declaration.
5298
5299 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5300
5301         PR tree-optimization/38786
5302         * gcc.dg/graphite/pr38786.c: New.
5303         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5304         the SSA_NAME case of expand_scalar_variables_expr.
5305         (expand_scalar_variables_expr): Also gather the scalar computation
5306         used to index the memory access.
5307         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5308         the gimple_stmt_iterator where it inserts new code.
5309
5310 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5311
5312         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5313
5314 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5315
5316         * opts.c (decode_options): Enable flag_graphite_identity and
5317         flag_loop_block in -O2 and above.
5318
5319 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5320
5321         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5322         Fix merge problem: replace with the file from trunk.
5323
5324 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5325
5326         * Merge from mainline (r141727:143163).
5327
5328 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5329             Jan Sjodin  <jan.sjodin@amd.com>
5330
5331         PR tree-optimization/38559
5332         * gcc.dg/graphite/pr38559.c: New.
5333
5334         * graphite.c (debug_value, copy_constraint,
5335         swap_constraint_variables, scale_constraint_variable, ): New.
5336         (get_lower_bound, get_upper_bound): Removed.
5337         (graphite_trans_bb_strip_mine): Clean up this code that works
5338         only for constant number of iterations.  Fully copy upper and
5339         lower bound constraints, not only the constant part of them.
5340         * graphite.h (debug_value): Declared.
5341
5342 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5343
5344         PR tree-optimization/38492
5345         PR tree-optimization/38498
5346         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5347         * tree-chrec.h (scev_is_linear_expression): Declared.
5348         * graphite.c (graphite_cannot_represent_loop_niter): New.
5349         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5350         (graphite_loop_normal_form): Use gcc_assert.
5351         (scan_tree_for_params): Use CASE_CONVERT.
5352         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5353         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5354         Use gcc_assert.  Discard scops that contain unhandled cases.
5355         (build_scop_conditions): Return a boolean status for unhandled cases.
5356         (strip_mine_profitable_p): Print the loop number, not its depth.
5357         (is_interchange_valid): Pass the depth of the loop nest, don't
5358         recompute it wrongly.
5359         (graphite_trans_bb_block): Same.
5360         (graphite_trans_bb_block): Print tentative of loop blocking.
5361         (graphite_trans_scop_block): Do not print that the loop has been
5362         blocked.
5363         (graphite_transform_loops): Do not handle scops that contain condition
5364         scalar phi nodes.
5365
5366         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5367         in trunk.
5368         * gcc.dg/graphite/block-0.c: Update test.
5369         * gcc.dg/graphite/block-1.c: Same.
5370         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5371         blocking.
5372         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5373         * gcc.dg/graphite/block-3.c: New.
5374         * gcc.dg/graphite/pr38498.c: New.
5375
5376 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5377
5378         PR tree-optimization/38510
5379         * gcc.dg/graphite/pr38510.c: New.
5380         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5381           (translate_clast): Call recompute_all_dominators before
5382           graphite_verify.
5383           (gloog): Call recompute_all_dominators before graphite_verify.
5384
5385 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5386
5387         PR tree-optimization/38492
5388         * graphite.c (rename_map_elt, debug_rename_elt,
5389         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5390         rename_map_elt_info, eq_rename_map_elts,
5391         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5392         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5393         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5394         (sese_build_livein_liveouts): New.
5395         (new_sese, free_sese): New.
5396         (new_scop): Call new_sese.
5397         (free_scop): Call free_sese.
5398         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5399         (register_old_new_names): Renamed register_old_and_new_names.
5400         (register_scop_liveout_renames, add_loop_exit_phis,
5401         insert_loop_close_phis, struct igp,
5402         default_liveout_before_guard, add_guard_exit_phis,
5403         insert_guard_phis, copy_renames): New.
5404         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5405         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5406         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5407         (scop_adjust_phis_for_liveouts): New.
5408         (gloog): Call scop_adjust_phis_for_liveouts.
5409
5410         * graphite.h (struct sese): Documented.  Added fields liveout,
5411         num_ver and livein.
5412         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5413         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5414         (struct scop): Added field liveout_renames.
5415         (SCOP_LIVEOUT_RENAMES): New.
5416
5417 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5418
5419         PR tree-optimization/38409
5420         * gcc.dg/graphite/pr38409.c: New.
5421         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5422
5423 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5424
5425         * graphite.c (gcc_type_for_cloog_iv): By default return
5426         integer_type_node.
5427         (graphite_create_new_loop): Don't fold_convert the already
5428         fold_convert-ed expression.
5429
5430 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5431
5432         PR tree-optimization/38446
5433         * gcc.dg/graphite/pr38446.c: New.
5434         * graphite.c (register_bb_in_sese): New.
5435         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5436         looking at the bbs in the region.
5437         * graphite.h (sese): Add region_basic_blocks pointer set to
5438         structure and initialize at the time of defining new scop.
5439
5440 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5441
5442         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5443         (find_params_in_bb): Do not free data refs.
5444         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5445
5446 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5447
5448         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5449         * gcc.dg/graphite/scop-17.c: Same.
5450         * gcc.dg/graphite/block-5.c: New.
5451         * gcc.dg/graphite/block-6.c: New.
5452         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5453         * gcc.dg/graphite/pr37684.c: Same.
5454         * gcc.dg/graphite/block-2.c: Same.
5455
5456         * graphite.c (struct ivtype_map_elt): New.
5457         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5458         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5459         gcc_type_for_cloog_iv): New.
5460         (loop_iv_stack_patch_for_consts): Use the type of the induction
5461         variable from the original loop, except for the automatically
5462         generated loops, i.e., in the case of a strip-mined loop, in
5463         which case there is no original loop: in that case just use
5464         integer_type_node.
5465         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5466         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5467         (clast_name_to_gcc): Accept params to be NULL.
5468         (clast_to_gcc_expression): Take an extra parameter for the type.
5469         Convert to that type all the expressions built by this function.
5470         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5471         (graphite_translate_clast_equation): Compute the type of the
5472         clast_equation before translating its LHS and RHS.
5473         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5474         (graphite_create_new_loop): Compute the type of the induction
5475         variable before translating the lower and upper bounds and before
5476         creating the induction variable.
5477         (rename_variables_from_edge, rename_phis_end_scop): New.
5478         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5479         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5480         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5481         compute_cloog_iv_types): New.
5482         (gloog): Call compute_cloog_iv_types before starting the
5483         translation of the clast.
5484
5485         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5486         (GBB_CLOOG_IV_TYPES): New.
5487         (debug_ivtype_map): Declared.
5488         (oldiv_for_loop): New.
5489
5490 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5491
5492         PR middle-end/38459
5493         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5494         (param_index): Assert if parameter is not know after parameter
5495         detection.
5496         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5497         (find_scop_parameters): Mark, that we have finished parameter
5498         detection.
5499         (graphite_transform_loops): Move condition detection before parameter
5500         detection.
5501         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5502         * gfortran.dg/graphite/pr38459.f90: New.
5503
5504 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5505
5506         * graphite.c (graphite_transform_loops): Always call find_transform ()
5507         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5508         generate code.
5509
5510 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5511
5512         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5513         (print_scop): Ditto.
5514
5515 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5516
5517         PR middle-end/38084
5518         Fix gfortran.dg/graphite/id-3.f90.
5519         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5520         regions more than once.
5521
5522 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5523
5524         Fix gfortran.dg/graphite/id-4.f90.
5525         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5526         when not needed.
5527
5528 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5529
5530         Fix gfortran.dg/graphite/id-1.f90.
5531         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5532         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5533         (max_precision_type): New.
5534         (value_clast): Removed.
5535         (clast_to_gcc_expression): Be more careful to types of expressions.
5536         Use max_precision_type and update use of gmp_cst_to_tree.
5537         (graphite_translate_clast_equation): Use max_precision_type.
5538         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5539         use the type of the condition.
5540         (graphite_create_new_loop): Do not use integer_type_node, use the
5541         max_precision_type of lb and ub.
5542
5543 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5544
5545         * graphite.c (build_scops_1): Initialize open_scop.exit
5546         and sinfo.last.
5547
5548 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5549
5550         * gcc.dg/graphite/pr38084.c: New.
5551         * gfortran.dg/graphite/id-1.f90: New.
5552         * gfortran.dg/graphite/id-2.f90: New.
5553         * gfortran.dg/graphite/id-3.f90: New.
5554         * gfortran.dg/graphite/id-4.f90: New.
5555         * gfortran.dg/graphite/pr37857.f90: New.
5556
5557 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5558             Jan Sjodin  <jan.sjodin@amd.com>
5559             Harsha Jagasia  <harsha.jagasia@amd.com>
5560
5561         PR middle-end/37852
5562         PR middle-end/37883
5563         PR middle-end/37928
5564         PR middle-end/37980
5565         PR middle-end/38038
5566         PR middle-end/38039
5567         PR middle-end/38073
5568         PR middle-end/38083
5569         PR middle-end/38125
5570
5571         * gcc.dg/graphite/pr38073.c: New.
5572         * gcc.dg/graphite/pr37928.c: New.
5573         * gcc.dg/graphite/pr37883.c: New.
5574         * gcc.dg/graphite/pr38125.c: New.
5575         * gfortran.dg/graphite/pr38083.f90: New.
5576         * gfortran.dg/graphite/pr37852.f90: New.
5577         * gfortran.dg/graphite/pr37980.f90: New.
5578
5579         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5580         the number of detected scops.  Copy exact same test for loop
5581         blocking...
5582         * gcc.dg/graphite/block-1.c: Fix the number of expected
5583         loops to be blocked as reductions are not handled.
5584         * gcc.dg/graphite/block-4.c: ...here.  New.
5585
5586         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5587         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5588         ...here.
5589         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5590         * Makefile.in (graphite.o): Depend on value-prof.h.
5591         (graphite.o-warn): Removed -Wno-error.
5592         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5593         to be a NULL pointer.  Call update_stmt.  Return the newly created
5594         cannonical induction variable.
5595
5596         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5597
5598         * graphite.c: Reimplement the code generation from graphite to gimple.
5599         Include value-prof.h.
5600         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5601         (get_old_iv_from_ssa_name): Removed.
5602         (graphite_stmt_p): New.
5603         (new_graphite_bb): Test for useful statements before building a
5604         graphite statement for the basic block.
5605         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5606         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5607         reason.
5608         (recompute_all_dominators, graphite_verify,
5609         nb_reductions_in_loop, graphite_loop_normal_form): New.
5610         (scop_record_loop): Call graphite_loop_normal_form.
5611         (build_scop_loop_nests): Iterate over all the blocks of the
5612         function instead of relying on the incomplete information from
5613         SCOP_BBS.  Return the success of the operation.
5614         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5615         (add_bb_domains): Removed.
5616         (build_loop_iteration_domains): Don't call add_bb_domains.
5617         Add the iteration domain only to the basic blocks that have been
5618         translated to graphite.
5619         (build_scop_conditions_1): Add constraints only if the basic
5620         block have been translated to graphite.
5621         (build_scop_data_accesses): Completely disabled until data
5622         dependence is correctly implemented.
5623         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5624         (remove_all_edges_1, remove_all_edges): Removed.
5625         (get_new_name_from_old_name): New.
5626         (graphite_rename_variables_in_stmt): Renamed
5627         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5628         Use replace_exp and update_stmt.
5629         (is_old_iv): Renamed is_iv.
5630         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5631         Use replace_exp and update_stmt.
5632         (expand_scalar_variables_expr): Same.  Use the map to get the
5633         new names for the renaming of induction variables and for the
5634         renaming of variables after a basic block has been copied.
5635         (expand_scalar_variables): Same.
5636         (graphite_rename_variables): Renamed rename_variables.
5637         (move_phi_nodes): Removed.
5638         (get_false_edge_from_guard_bb): New.
5639         (build_iv_mapping): Do not insert the induction variable of a
5640         loop in the renaming iv map if the basic block does not belong
5641         to that loop.
5642         (register_old_new_names, graphite_copy_stmts_from_block,
5643         copy_bb_and_scalar_dependences): New.
5644         (translate_clast): Heavily reimplemented: copy basic blocks,
5645         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5646         At each translation step call graphite_verify ensuring the
5647         consistency of the SSA, loops and dominators information.
5648         (collect_virtual_phis, find_vdef_for_var_in_bb,
5649         find_vdef_for_var_1, find_vdef_for_var,
5650         patch_phis_for_virtual_defs): Removed huge hack.
5651         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5652         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5653         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5654         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5655         if_region_get_condition_block, if_region_set_false_region,
5656         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5657         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5658         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5659         rewrite_into_sese_closed_ssa): New.
5660         (gloog): Remove dead code.  Early return if code cannot be
5661         generated.  Call cleanup_tree_cfg once the scop has been code
5662         generated.
5663         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5664         block loops with less than two loops.
5665         (graphite_apply_transformations): Remove the call to
5666         scop_remove_ignoreable_gbbs.
5667         (limit_scops): When build_scop_loop_nests fails, continue on
5668         the next scop.  Fix open_scop.entry.
5669         (graphite_transform_loops): Call recompute_all_dominators: force the
5670         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5671         Call initialize_original_copy_tables and free_original_copy_tables
5672         to be able to copy basic blocks during code generation.
5673         When build_scop_loop_nests fails, continue on next scop.
5674         (value_clast): New union.
5675         (clast_to_gcc_expression): Fix type cast warning.
5676
5677 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5678
5679         * Merge from mainline (r140838:141727).
5680
5681 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5682
5683         PR middle-end/37833
5684
5685         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5686
5687 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5688
5689         PR middle-end/37943
5690
5691         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5692         exits and conditions.
5693         * gcc.dg/graphite/pr37943.c: New.
5694
5695 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5696
5697         PR middle-end/37886
5698         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5699
5700 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5701
5702         * doc/invoke.texi: Fix spaces.
5703
5704 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5705
5706         PR tree-optimization/37891
5707         Reverted last commit.
5708         * graphite.c (create_single_entry_edge): Set
5709         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5710
5711 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
5712             Mitul Thakkar  <mitul.thakkar@amd.com>
5713
5714         * graphite.c (create_single_entry_edge): Set
5715         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
5716
5717 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5718
5719         * doc/invoke.texi: Add -fgraphite-identity.
5720         * graphite.c (graphite_apply_transformations): Check for
5721         -fgraphite-identity.
5722         * toplev.c (process_options): Add flag_graphite_identity.
5723         * tree-ssa-loop.c: Add flag_graphite_identity.
5724
5725 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5726
5727         Undo changes from 2008-10-02:
5728         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5729         operand type when copying the operand to a variable of different type.
5730         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5731         with the IV name after increment.
5732
5733 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5734             Harsha Jagasia  <harsha.jagasia@amd.com>
5735
5736         PR tree-optimization/37828
5737         * gcc.dg/graphite/pr37828.c: New.
5738         * graphite.c (graphite_trans_loop_block): Do not loop block
5739         single nested loops.
5740
5741 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5742             Sebastian Pop  <sebastian.pop@amd.com>
5743
5744         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5745         rename_map_elt_info, eq_rename_map_elts): New.
5746         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5747         (expand_scalar_variables_expr): Change parameters.
5748         (expand_scalar_variables_stmt): Same.
5749         (expand_scalar_variables): Same.
5750         (graphite_rename_ivs): Rename graphite_rename_variables.
5751         (build_iv_mapping): New.
5752         (translate_clast): Call build_iv_mapping.
5753         * graphite.h (gbb_p): New name.
5754
5755 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5756
5757         PR tree-optimization/37684
5758         * gcc.dg/graphite/pr37684.c: New.
5759         * graphite.c (exclude_component_ref): New.
5760         (is_simple_operand): Call exclude_component_ref.
5761
5762 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5763             Harsha Jagasia  <harsha.jagasia@amd.com>
5764
5765         PR tree-optimization/37485
5766         * gcc.dg/graphite/block-2.c: New
5767         * graphite.c (gmp_cst_to_tree): Moved.
5768         (iv_stack_entry_is_constant): New.
5769         (iv_stack_entry_is_iv): New.
5770         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5771         (loop_iv_stack_insert_constant): New.
5772         (loop_iv_stack_pop): Use new datatpype.
5773         (loop_iv_stack_get_iv): Same.
5774         (loop_iv_stack_get_iv_from_name): Same.
5775         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5776         (loop_iv_stack_patch_for_consts): New.
5777         (loop_iv_stack_remove_constants): New.
5778         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5779         (translate_clast): Call loop_iv_stack_patch_for_consts and
5780         loop_iv_stack_remove_constants.
5781         (gloog): Use new datatype.  Redirect construction edge to end
5782         block to avoid accidental deletion.
5783         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5784         iv stack entry.
5785         (union iv_stack_entry_data): New.  Data in iv stack entry.
5786         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5787
5788 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5789
5790         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5791         operand type when copying the operand to a variable of different type.
5792
5793 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5794
5795         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5796         with the IV name after increment.
5797
5798 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5799
5800         * Merge from mainline (r140164:140838).
5801
5802 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5803
5804         * graphite-data-ref.c: New.
5805         * graphite.c (print_scop): Also dump the dependence graph.
5806         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5807         (new_scop): Initialize SCOP_DEP_GRAPH.
5808         (build_scop_dynamic_schedules): New.
5809         (build_access_matrix_with_af): Fixed column numbering.
5810         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5811         * graphite.h: Add ifndef/define guards against multiple inclusion.
5812         (struct scop): Add dep_graph field.
5813         (SCOP_DEP_GRAPH): Defined.
5814         (ref_nb_loops): Fixed and moved to other position.
5815         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5816         (nb_loops_around_loop_in_scop): New.
5817         (graphite_dump_dependence_graph): Declared.
5818         (graphite_build_rdg_all_levels): Declared.
5819         (graphite_test_dependence): Declared.
5820         * Makefile.in (graphite-data-ref.o): New target.
5821
5822 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5823
5824         * Merge from mainline (139870:140164).
5825
5826 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5827
5828         * Merge from mainline (138275:139870).
5829         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5830         the commits from trunk broke the niter detection.
5831
5832 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5833
5834         * graphite.c: Add more documentation.  Fix formatting.
5835         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5836         loop_iv_stack_debug): Moved...
5837         (schedule_to_scattering): Move before use.
5838         (dot_all_scops): Include in "#if 0" the code for system
5839         call dotty.
5840
5841         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5842         loop_iv_stack_debug): ...here.
5843
5844 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5845
5846         * tree-phinodes.c (make_phi_node): Extern.
5847         (add_phi_node_to_bb): New.
5848         (create_phi_node): Call add_phi_node_to_bb.
5849         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5850         (remove_statement): Handle case where stored phi was updated
5851         and is no longer the same.
5852         * graphite.c (is_parameter): New.
5853         (is_old_iv): New.
5854         (expand_scalar_variables_expr): New.
5855         (expand_scalar_variables_stmt): New.
5856         (expand_scalar_variables): New.
5857         (move_phi_nodes): Create new phi instead of moving old one.
5858         (translate_clast): Call expand_scalar_variables.
5859         (find_vdef_for_var_in_bb): Also scan regular definitions.
5860         (skip_phi_defs): New.
5861         (collect_scop_exit_phi_args): New.
5862         (patch_scop_exit_phi_args): New.
5863         (gloog): Patch phis after scop.
5864         * tree-flow.h: (add_phi_node_to_bb): Declared.
5865         (make_phi_node): Declared.
5866
5867 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5868
5869         * graphite.c (end_scop): Split the entry of the scop when it
5870         is the header of the loop in which the scop is ending.
5871         (build_scops_1, limit_scops): Update uses of end_scop.
5872
5873 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5874
5875         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5876         SCOP_ENTRY or SCOP_EXIT.
5877
5878 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5879
5880         * graphite.c (get_construction_edge): Removed.
5881         (gloog): Construction edge is the scop entry edge.
5882
5883 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5884
5885         * graphite.c (can_generate_for_scop): Removed.
5886         (gloog): Do not call it.
5887
5888 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5889
5890         * graphite.c (new_scop): Entry of a scop is an edge.
5891         Initialize SESE region.
5892         (free_scop): Free SESE region.
5893         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5894         (split_difficult_bb): New, split from end_scop.
5895         (end_scop): Exit of a scop is an edge.
5896         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5897         not automatically updated and thus is always wrong.
5898         * graphite.h (struct sese): New.
5899         (SESE_ENTRY): New.
5900         (SESE_EXIT): New.
5901         (struct scop): New field for a SESE region.  Remove entry, exit.
5902         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5903         semantics as before.  Moved comment around.
5904
5905 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5906             Sebastian Pop  <sebastian.pop@amd.com>
5907
5908         * graphite.c (graphite_transform_loops): Always enable gloog
5909         and find_transform when ENABLE_CHECKING.
5910
5911 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5912
5913         * graphite.c (graphite_transform_loops): Move pretty printer
5914         of SCOPs before doing any transform.  Remove call to print_scops
5915         and dot_all_scops_1.
5916
5917 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5918
5919         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5920         (print_graphite_bb): Same.
5921
5922 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5923
5924         * graphite.c (dot_all_scops_1): Cleanup.
5925         (move_scops): Fix comment.
5926
5927 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5928
5929         * graphite.c (build_scop_bbs): Revert commit 139355:
5930
5931         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5932                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5933
5934                 * graphite.c (build_scop_bbs): Factor up code.
5935
5936 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5937
5938         * graphite.c (gloog): Update dominator info.
5939
5940 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5941
5942         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5943
5944 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5945
5946         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5947         initialization.
5948         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5949         (translate_clast): Correct formatting.
5950         * graphite.h (struct num_map): Removed.
5951         (struct graphite_bb): Remove num_map field.
5952         (GBB_INDEX_TO_NUM_MAP): Removed.
5953
5954 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5955
5956         * graphite.c (build_access_matrix_with_af): Fix comments.
5957         (build_scop_data_accesses): Same.
5958
5959 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5960
5961         * graphite.c (build_scop_data_accesses): Don't construct
5962         access matrices.  Add a FIXME and an assert condition that
5963         should pass when the access matrices will be needed.
5964
5965 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5966
5967         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5968         really_constant_p.
5969         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5970         Moved close by free_graphite_bb.
5971         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5972         (new_scop): Move close by free_scop.
5973         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5974
5975 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5976
5977         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5978         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5979         instead of recursive call.
5980         (graphite_translate_clast_equation): New.
5981         (graphite_create_guard_cond_expr): New.
5982         (graphite_create_new_guard): New.
5983         (get_stack_index_from_iv): Removed.
5984         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5985         (get_true_edge_from_guard_bb): New.
5986         (translate_clast): Handle stmt_guard in clast.
5987         (get_construction_edge): Allow construction edge detection for
5988         a scope entry with multiple predecessors if one predecessor is
5989         the immediate dominator of scope entry.
5990         (can_generate_code_stmt): Enable code generation for clast_guard.
5991         (gloog): Use correct context loop.  Removed check for post dominators.
5992         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5993
5994 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5995
5996         * graphite.c (remove_dead_loops): Document better which
5997         loops are removed.
5998
5999 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6000
6001         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6002         and PPLINC.
6003         (graphite.o): Also depends on pointer-set.h.
6004
6005 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6006
6007         * graphite.c (scop_record_loop): Fix compile warning.
6008
6009 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6010             Sebastian Pop  <sebastian.pop@amd.com>
6011
6012         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6013
6014 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6015
6016         * graphite.c (build_graphite_bb): Initialize bb->aux to
6017         point to the graphite_bb_p.
6018         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6019         content of bb->aux.
6020         (add_bb_domains): Does not use the scop parameter.
6021         (graphite_transform_loops): Clean bb->aux at the end.
6022
6023 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6024             Sebastian Pop  <sebastian.pop@amd.com>
6025
6026         * lib/target-supports.exp
6027         (check_effective_target_fgraphite): New.
6028
6029         * gcc.dg/graphite/graphite.exp: Early exit when
6030         check_effective_target_fgraphite returns false.
6031         Set dg-do-what-default to compile.
6032         (scan-graphite-dump-times): Removed.
6033         * gfortran.dg/graphite/graphite.exp: Same.
6034
6035         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6036         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6037         * gcc.dg/graphite/scop-1.c: Same.
6038         * gcc.dg/graphite/scop-2.c: Same.
6039         * gcc.dg/graphite/scop-3.c: Same.
6040         * gcc.dg/graphite/scop-4.c: Same.
6041         * gcc.dg/graphite/scop-5.c: Same.
6042         * gcc.dg/graphite/scop-6.c: Same.
6043         * gcc.dg/graphite/scop-7.c: Same.
6044         * gcc.dg/graphite/scop-8.c: Same.
6045         * gcc.dg/graphite/scop-9.c: Same.
6046         * gcc.dg/graphite/scop-10.c: Same.
6047         * gcc.dg/graphite/scop-11.c: Same.
6048         * gcc.dg/graphite/scop-12.c: Same.
6049         * gcc.dg/graphite/scop-13.c: Same.
6050         * gcc.dg/graphite/scop-matmult.c: Same.
6051         * gcc.dg/graphite/scop-14.c: Same.
6052         * gcc.dg/graphite/scop-15.c: Same.
6053         * gcc.dg/graphite/block-0.c: Same.
6054         * gcc.dg/graphite/scop-16.c: Same.
6055         * gcc.dg/graphite/block-1.c: Same.
6056         * gcc.dg/graphite/scop-17.c: Same.
6057         * gcc.dg/graphite/scop-18.c: Same.
6058         * gfortran.dg/graphite/block-1.f90: Same.
6059         * gfortran.dg/graphite/scop-1.f: Same.
6060         * gfortran.dg/graphite/block-2.f: Same.
6061
6062 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6063
6064         * graphite.c: Fix some XXX comments.
6065         (build_scop_dynamic_schedules): Removed.
6066
6067 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6068
6069         * graphite.h (scop_max_loop_depth): Moved...
6070         * graphite.c (scop_max_loop_depth): ...here.
6071         (remove_all_edges_1): New.
6072         (remove_all_edges): Factored code.
6073         (remove_cond_exprs): Check only the last statement for
6074         a GIMPLE_COND expression.
6075
6076 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6077
6078         * graphite.c (scan_tree_for_params): Early return when the
6079         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6080         (find_scop_parameters): Factor out code.
6081         (graphite_trans_bb_strip_mine): Remove dead code.
6082
6083 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6084
6085         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6086         graphite_trans_bb_move_loop): Factor asserts.
6087         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6088         Do not call calculate_dominance_info and estimate_bb_frequencies.
6089
6090 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6091
6092         * graphite.c (create_loops_mapping, free_loops_mapping,
6093         create_loops_mapping_num, debug_loop_mapping_1,
6094         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6095         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6096         graphite_loops_mapping_add_child_num,
6097         graphite_loops_mapping_insert_child,
6098         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6099         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6100         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6101         create_num_from_index, get_num_from_index,
6102         swap_loop_mapped_depth): Removed.
6103         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6104         (free_scop): Do not call free_loops_mapping.
6105         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6106         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6107         get_loop_mapped_depth.
6108         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6109         (graphite_trans_bb_strip_mine): Same.
6110         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6111         (struct scop): Remove field loops_mapping.
6112
6113 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6114             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6115
6116         * graphite.c (scop_record_loop): Factor out one level of the
6117         condition by early return.
6118         (build_scop_loop_nests): Format following FSF coding style.
6119         (build_scop_dynamic_schedules): Factor out code.
6120         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6121
6122 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6123             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6124
6125         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6126         assignments that are not handled as simple operands for now.
6127
6128 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6129             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6130
6131         * graphite.c (build_scop_bbs): Factor up code.
6132
6133 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6134             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6135
6136         * graphite.c (stmt_simple_for_scop_p): Factor code out
6137         of the loop.
6138         (enum gbb_type): New.  Group all the GBB_* types under it.
6139         (is_loop_exit): Moved...
6140         (end_scop): Enable BB spliting.
6141         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6142         * cfgloop.h (is_loop_exit): Declared.
6143
6144 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6145
6146         * doc/invoke.texi: Remove strides from examples containing
6147         DO loops when the strides are equal to 1.
6148
6149 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6150             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6151
6152         * graphite.c (graphite_trans_scop_block): Or the result with
6153         the result from graphite_trans_loop_block.
6154         * gcc.dg/graphite/block-1.c: New.
6155         * gfortran.dg/graphite/block-1.f90: New.
6156         * gfortran.dg/graphite/block-2.f: New.
6157
6158 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6159
6160         * graphite.c (graphite_transform_loops): Call cloog_initialize
6161         and cloog_finalize.
6162
6163 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6164
6165         * tree-data-ref.c) (stmt_simple_memref_p): New.
6166         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6167         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6168         (is_simple_operand): Call stmt_simple_memref_p.
6169
6170         * gcc.dg/graphite/scop-matmult.c: Updated for not
6171         using pointer arithmetic, as this is optimized by PRE and
6172         makes the code too difficult to analyze.
6173
6174         * gcc.dg/graphite/scop-18.c: Same.
6175
6176 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6177
6178         * gdbinit.in (pgg): New.
6179
6180 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6181
6182         * graphite.c (graphite_trans_loop_block): Fix warning.
6183
6184 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6185
6186         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6187
6188 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6189
6190         * graphite.c (graphite_trans_bb_block): Remove check for
6191         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6192         Check if loop blocking is profitable for every loop, before applying
6193         the changes.
6194         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6195         if flag_loop_block is set.
6196
6197 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6198
6199         * graphite.c: Add some more documentation for the loop
6200         mapping.
6201
6202 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6203
6204         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6205         * graphite.c: Format on less than 80 columns.
6206         * graphite.h: Same.
6207
6208 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6209
6210         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6211
6212 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6213
6214         * doc/invoke.texi (floop-block, floop-strip-mine,
6215         floop-interchange): Update documentation with examples.
6216
6217 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6218
6219         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6220         add_referenced_var.
6221         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6222
6223 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6224
6225         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6226         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6227         * tree-scalar-evolution.c: Revert useless changes.
6228         * tree-phinodes.c: Same.
6229         * cfghooks.c: Same.
6230         * vec.h: Same.
6231         * tree-vectorizer.h: Same.
6232         * tree-flow.h: Same.
6233         * tree-cfg.c: Same.
6234         * common.opt (fgraphite): Update documentation.
6235
6236 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6237
6238         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6239         -floop-interchange): Add more text for explaining what each of these
6240         flags is doing.
6241         * tree-into-ssa.c (gimple_vec): Moved to...
6242         * graphite.c: Include gimple.h.
6243         (gimple_vec): Moved to...
6244         (del_loop_to_cloog_loop): Removed.
6245         (loop_affine_expr): Do not call create_data_ref when the
6246         operand is a constant.
6247         (new_scop): Use free instead of del_loop_to_cloog_loop.
6248         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6249         * gimple.h (gimple_vec): ... here.
6250
6251 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6252
6253         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6254         latch executions.
6255         (build_loop_iteration_domains): Fail, if latch executions unknown.
6256
6257 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6258
6259         * graphite.c (add_conditions_to_domain): New.
6260         (build_scop_conditions_1): Call add_conditions_to_domain.
6261         (set_cloog_options): Allow to disable optimizations.
6262
6263 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6264
6265         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6266         Do not use walk_dominator_tree.
6267         (find_scop_parameters): Do not use walk_dominator_tree.
6268
6269 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6270
6271         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6272         (idx_record_params): Adapt.
6273         * graphite.h (scop_gimple_loop_depth): New.
6274
6275 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6276
6277         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6278         (scan_tree_for_params): Remove value_init.
6279         (build_scop_context): Remove value_init.
6280         (build_loop_iteration_domains): Remove value_init.
6281         (schedule_to_scattering): Remove value_init.
6282         (graphite_trans_bb_strip_mine): Remove value_init.
6283
6284 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6285
6286         * gcc/graphite.c (limit_scops): New.
6287         (graphite_transform_loops): Add limit SCoPs.
6288         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6289         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6290         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6291         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6292         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6293         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6294         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6295         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6296         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6297         Change loop numbers.
6298         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6299         Change loop numbers.
6300         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6301         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6302         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6303         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6304         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6305         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6306         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6307         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6308         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6309         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6310
6311 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6312
6313         * graphite.c (graphite_transform_loops): Call always find_transform.
6314
6315 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6316
6317         * graphite.c (free_loops_mapping): New.
6318         (stmt_simple_for_scop_p): Fix typo.
6319         (stmt_simple_for_scop_p): Fix tuples functions, that
6320         broke polyhedron.
6321         (free_graphite_bb): Fix some memleaks.
6322         (free_scop): Fix some memleaks.
6323         (scopdet_bb_info): Do not forget some tmp SCoPs.
6324         (find_params_in_bb): Fix some memleaks.
6325         (clast_to_gcc_expression): Fix warning.
6326
6327 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6328
6329         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6330         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6331
6332 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6333
6334         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6335         Move code ifdef-ed HAVE_cloog...
6336         * graphite.c: Include toplev.h.
6337         ... here.
6338         * Makefile.in (OBJS-common): Always build graphite.o.
6339         (BACKEND): Remove @GRAPHITE@.
6340         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6341         (graphite.o): Depend on TOPLEV_H.
6342
6343 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6344
6345         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6346         Remove typo left from polylib to ppl conversion.
6347         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6348
6349 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6350
6351         * toplev.c (process_options): Move the graphite loop optimization
6352         flags...
6353         * tree-ssa-loop.c (graphite_transforms): ... here.
6354         When not configured with CLooG, print to dump_file that
6355         Graphite transforms were not performed.
6356         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6357         New.
6358         * gcc.dg/graphite/*.c: Updated all testcases to use
6359         scan-graphite-dump-times.
6360
6361 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6362
6363         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6364         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6365
6366 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6367             Jan Sjodin  <jan.sjodin@amd.com>
6368
6369         * configure: Regenerated.
6370         * omp-low.c (expand_omp_sections): Remove now unused code.
6371         * config.in (HAVE_polylib): Removed.
6372         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6373         (PPLLIBS, PPLINC): Added.
6374         * graphite.c: Replace unsigned with int wherever possible.
6375         Don't access Cloog's data structures, but use accessor functions.
6376         Clast's stmt->type is now implemented as a vtable: change the
6377         switches of stmt->type into ifs.
6378         (polylib/polylibgmp.h): Don't include.
6379         (initialize_dependence_polyhedron,
6380         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6381         statement_precedes_p, test_dependence, build_rdg_all_levels,
6382         dump_dependence_graph): Removed until this code is cleaned up
6383         or ported to Cloog.
6384         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6385         (POLYLIBINC): Renamed PPLINC.
6386
6387 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6388             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6389             Jan Sjodin  <jan.sjodin@amd.com>
6390
6391         Finish the merge and tuplification of graphite.
6392
6393 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6394             Jan Sjodin  <jan.sjodin@amd.com>
6395
6396         Partial merge from mainline (138072:138275).
6397         * graphite.c still has to be tuplified.
6398
6399 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6400
6401         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6402         (create_num_from_index): New.
6403         (get_num_from_index): Also pass in the graphite BB.
6404         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6405         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6406         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6407         (is_interchange_valid): Return false when failing.
6408         * graphite.h (struct num_map): New.
6409         (struct graphite_bb): New field num_map.
6410         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6411
6412 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6413
6414         * graphite.c (dump_gbb_conditions): Print also conditions like
6415         "if (a)".  Remove dublicated code and use print_generic_expr ().
6416         (stmt_simple_for_scop_p): Only allow conditions we can handle
6417         {<, <=, >, >=}.
6418
6419 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6420
6421         * graphite.h (struct scop): Removed new_ivs field.
6422         (SCOP_NEWIVS): Deleted.
6423         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6424         clast_to_gcc_expression, graphite_create_new_loop):
6425         Removed use of new_ivs.
6426
6427 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6428
6429         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6430         create_loops_mapping_num, debug_loop_mapping_1): New.
6431         (debug_loop_mapping): Call debug_loop_mapping_1.
6432         (get_loop_mapping_for_num,
6433         graphite_loops_mapping_add_child,
6434         graphite_loops_mapping_add_child_num,
6435         graphite_loops_mapping_insert_child,
6436         graphite_loops_mapping_parent,
6437         split_loop_mapped_depth_for_num,
6438         loop_mapped_depth_split_loop): New.
6439         (increment_loop_mapped_depths): Removed.
6440         (swap_loop_mapped_depth_for_num): Reimplemented.
6441         (new_scop): Call create_loops_mapping.
6442         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6443         (translate_clast): Pass the old loop father in parameter, and pass
6444         it to get_old_iv_from_ssa_name.
6445         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6446         can_generate_code, can_generate_for_scop): New.
6447         (graphite_trans_bb_block): Returns false when it fails to transform.
6448         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6449
6450 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6451
6452         Reverted all the changes related to the streamization and
6453         loop fusion.
6454         These changes are now tracked in the streamization branch.
6455
6456 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6457             Jan Sjodin  <jan.sjodin@amd.com>
6458
6459         * graphite.c (gbb_compare): Correctly constify.
6460         (gbb_can_be_ignored): Indent.
6461         (graphite_trans_scop_swap_1and2): Add legality check.
6462         Remove dead FIXMEs.
6463
6464 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6465
6466         Remove fallouts from "Reverted the Condate changes".
6467         * tree.h: Remove unused decl.
6468         * gcc.dg/tree-checker: Same.
6469         * timevar.def: Remove counter.
6470
6471 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6472
6473         * Merge from mainline (135673:138072).
6474
6475         Reverted the MIRO changes (from 2008-04-05) that are now
6476         tracked in the miro branch.
6477         * tree-bounds.c: Removed.
6478         * tree-bounds.h: Removed.
6479
6480         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6481         are now tracked in the condate branch.
6482         * tree-check.c: Removed.
6483         * tree-match.c: Removed.
6484         * condate.y: Removed.
6485
6486 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6487
6488         * common.opt: New user flag -floop-block, -floop-strip-mine
6489         and -floop-interchange.
6490         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6491         graphite loop optimization flags is turned on.
6492         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6493         flag_loop_strip_mine and flag_loop_interchange checks before
6494         optimizations.
6495         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6496         -floop-strip-mine and -floop-interchange.
6497         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6498         -fgraphite.
6499         * gcc.dg/graphite/scop-16.c: Ditto.
6500         * gcc.dg/graphite/scop-17.c: Ditto.
6501         * gcc.dg/graphite/scop-18.c: Ditto.
6502
6503 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6504             Sebastian Pop  <sebastian.pop@amd.com>
6505
6506         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6507         (create_empty_loop_on_edge): More fixes.
6508         * tree-phinodes.c (resize_phi_node): Extern.
6509         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6510         * cfghooks.c (update_dominator_information): New split from
6511         split_edge.
6512         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6513         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6514         successor of the function entry block.
6515
6516         * graphite.c: Include pointer-set.h.
6517         (debug_loop_mapping, increment_loop_mapped_depths,
6518         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6519         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6520         swap_loop_mapped_depth_for_num, get_num_from_index,
6521         swap_loop_mapped_depth, loop_iv_stack_debug,
6522         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6523         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6524         get_old_iv_from_ssa_name): New.
6525         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6526         (free_scop): Free SCOP_LOOPS_MAPPING.
6527         (scop_record_loop): Record old ivs.
6528         (create_var_name): Removed.
6529         (initialize_cloog_names): Allocate double space in case strip mine
6530         applies to all loops once.
6531         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6532         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6533         translation.
6534         (graphite_create_new_loop): Pass in ivstack.
6535         (remove_all_edges): Pass in the construction_edge.
6536         (graphite_remove_iv): Removed.
6537         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6538         remove_cond_exprs): Rewritten.
6539         (move_phi_nodes): New.
6540         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6541         (translate_clast): Pass in ivstack.  Rewrite some cases.
6542         (set_cloog_options, debug_clast_stmt): New.
6543         (find_transform): Use set_cloog_options.
6544         (outermost_loop_layer): Removed.
6545         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6546         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6547         mark_old_loops, remove_dead_loops): New.
6548         (gloog): Rewritten.
6549         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6550         (const_column_index, get_first_matching_sign_row_index,
6551         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6552         get_upper_bound): New.
6553         (graphite_trans_bb_strip_mine): Also update the iv map.
6554
6555         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6556         (struct name_tree): Add a loop field.
6557         (struct scop): Add a graphite_loops_mapping field.
6558         (SCOP_LOOPS_MAPPING): New.
6559         (debug_clast_stmt): Declare.
6560         * lambda.h (find_induction_var_from_exit_cond): Declare.
6561         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6562         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6563         (create_empty_loop_on_edge): Updated.
6564         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6565         rename_variables_in_bb): Declare.
6566         * tree-cfg.c (remove_bb): Extern.
6567
6568         * gcc.dg/graphite/block-0.c: New.
6569
6570 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6571             Sebastian Pop  <sebastian.pop@amd.com>
6572
6573         * graphite.c (strip_mine_profitable_p): New.
6574         (graphite_trans_bb_block): Disable strip mining if not profitable.
6575
6576         * gcc.dg/graphite/scop-18.c: New.
6577         * gcc.dg/graphite/scop-17.c: Fixed.
6578         * gcc.dg/graphite/scop-16.c: Fixed.
6579
6580 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6581             Jan Sjodin  <jan.sjodin@amd.com>
6582             Sebastian Pop  <sebastian.pop@amd.com>
6583
6584         * graphite.c (is_interchange_valid): New.
6585         (graphite_trans_bb_block): Check loop nest of basic block for legality
6586         of interchange.
6587
6588         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6589         outer_most_loop, gbb_outer_most_loop_index): New.
6590
6591         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6592         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6593         * gcc.dg/graphite/scop-16.c: New.
6594         * gcc.dg/graphite/scop-17.c: New.
6595
6596 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6597
6598         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6599         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6600
6601 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6602
6603         * graphite.c (new_scop): Initialize SCOP_EXIT.
6604         (scopdet_info): Add.
6605         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6606         (build_scops_1): Cleanup, bugfixes.
6607         (build_scops): Cleanup.
6608
6609         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6610         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6611
6612 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6613
6614         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6615
6616         * gfortran.dg/graphite/graphite.exp: Use
6617         DEFAULT_GRAPHITE_FLAGS.
6618
6619         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6620
6621 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6622
6623         * graphite.c (scan_tree_for_params): Do not assert any more if
6624         MULT_EXPR parameter is negative.
6625
6626         * gfortran.dg/graphite/scop-1.f: New.
6627
6628         * gfortran.dg/graphite/graphite.exp: New.
6629
6630         * gcc.dg/graphite/scop-15.c: New.
6631
6632 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6633
6634         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6635
6636 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6637
6638         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6639         graphite_swap_loops.
6640         (graphite_trans_bb_move_loop): New.
6641         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6642         (graphite_trans_bb_block): New.
6643         (graphite_trans_loop_block): New.
6644         (graphite_trans_scop_swap_1and2): Rename from
6645         graphite_trans_swap_1and2.
6646         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6647         (graphite_trans_scop_block): New.
6648         (graphite_apply_transformations): Rename from
6649         graphite_transformations.
6650
6651         * gcc.dg/graphite/scop-matmult.c: New.
6652
6653 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6654
6655         * graphite.c (gbb_compare): New.
6656         (graphite_sort_gbbs): New.
6657         (gbb_can_be_ignored): New.
6658         (scop_remove_ignoreable_gbbs): New.
6659         (graphite_transformations): Cleanup and add
6660         scop_remove_ignoreable_gbbs.
6661         * lambda.h (lambda_vector_compare): New.
6662
6663 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6664
6665         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6666         (graphite_swap_loops): int -> unsigned
6667         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6668         (graphite_transformations): New.
6669         (graphite_transform_loops): Move to graphite_transformations.
6670         * graphite.h (gbb_nb_loops): Return unsigned.
6671
6672 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6673
6674         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6675         the domain matrix.  This makes scop-0.c work again.
6676
6677 2008-06-20  Richard Guenther  <rguenther@suse.de>
6678
6679         * graphite.h: Adjust copyright to GPLv3.
6680         * graphite.c: Likewise.
6681         (stmt_simple_memref_for_scop_p): Split out from ...
6682         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6683         and simplify.
6684         (get_bb_type): Optimize.
6685         (is_pred): Remove.
6686         (is_bb_addable): Fix memleak, replace is_pred call with
6687         single_pred.
6688         (build_scops): Use current_loops.
6689         (param_index): Fix memleak.
6690
6691 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6692
6693         * graphite.c: Fix formatting.
6694
6695 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6696
6697         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6698         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6699         (create_var_name, save_var_name): Newly defined functions.
6700         (initialize_cloog_names): Part of the code factored out to
6701         save_var_name.
6702         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6703         in clast_reduction statement.
6704         (graphite_create_new_loop): Now takes a new parameter
6705         for outer_loop.
6706         (translate_clast): Now also takes the context_loop and bb_exit
6707         parameters. Rewritten the code so that it creates a gimple code
6708         inside the given context.
6709         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
6710         remove_cond_expr, disconnect_cond_expr,
6711         disconnect_virtual_phi_nodes): Newly defined functions.
6712         * graphite.h (struct scop): added old_ivs vector.
6713         SCOP_OLDIVS: New macro.
6714
6715 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
6716
6717         * cfgloopmanip.c: Add missing function comments, fix formatting.
6718
6719 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6720
6721         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6722         (create_empty_loop_on_edge): Defined.
6723         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6724         instead of void.
6725         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6726         (update_dominators_in_loop): Declared as extern
6727         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6728
6729 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6730
6731         * graphite.c (print_graphite_bb): Allow changing number of loops
6732         in SCoP domain.
6733         (initialize_cloog_names): Allow changing number of loops.
6734         (build_cloog_prog): Simplify.
6735         (find_transform): Enable cloog option --strides.
6736         (graphite_swap_loops): New.
6737         (graphite_strip_mine_loop): New.
6738         (graphite_trans_swap_1and2): New.
6739         (graphite_trans_strip): New.
6740         (graphite_transform_loops): Add graphite_trans_strip.
6741         * graphite.h (scop_max_loop_depth): New.
6742
6743 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6744
6745         * graphite.c (build_scop_iteration_domain): Remove forgotten
6746         line. (Fixes compile)
6747
6748 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6749
6750         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6751         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6752         (build_bb_loops): New.
6753         (graphite_transform_loops): Add build_bb_loops.
6754         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6755         numbers.
6756         * graphite.h (graphite_bb): Add loops.
6757         (gbb_nb_loops): New.
6758         (gbb_loop_at_index): New.
6759         (gbb_loop_index): New.
6760         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6761         using nb_params_in_scop.
6762
6763 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6764
6765         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6766         (build_scop_canonical_schedules): Build minimized schedule.
6767         (schedule_to_scattering): Adapt to minimized schedule.
6768         * graphite.h (graphite_bb): Add/Update descriptions.
6769
6770 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6771             Tobias Grosser  <grosser@fim.uni-passau.de>
6772
6773         * graphite.c (print_graphite_bb): Add condition printing.
6774         (dump_value): New.
6775         (dump_gbb_conditions): New.
6776         (build_scop_conditions_1): New.
6777         (build_scop_conditions): New.
6778         * graphite.h (graphite_bb): Add conditions.
6779
6780 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6781
6782         * graphite.c (print_graphite_bb):
6783         (free_graphite_bb): New.
6784         (free_scop): Free bbs.
6785         (get_bb_type): Free doms.
6786         (build_scop_context): Free context matrix.
6787         (build_loop_iteration_domains): Remove unused code.
6788         (build_cloog_prog): Free scattering function and blocklist.
6789         (find_transform): Free options.
6790
6791 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6792
6793         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6794         Remove unnecessery cloog data structures. Make a copy of the domain
6795         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6796         unnecessary cloog data structures. Fix memory leaks. Remove insert
6797         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6798         used.
6799         (build_scop_iteration_domain): Remove unnecessary cloog
6800         data structures.  Fix memory leaks.
6801         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6802         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6803
6804 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6805
6806         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6807
6808 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6809
6810         * graphite.c (end_scop): Style fix.
6811         (schedule_to_scattering): Style and comment fix.
6812
6813 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6814         * graphite.c (print_graphite_bb): Fix definiton of
6815         schedule_to_scattering.
6816         (initialize_cloog_names): Change nb_scattdims to max loop
6817         depth in SCoP.
6818         (schedule_to_scattering): Take parameter for number of scattering
6819         dimensions.
6820         (build_cloog_prog): Only build as much scattering dimensions as
6821         necessary.
6822
6823 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6824
6825         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6826         in polyhedron/aermod.f90.
6827
6828 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6829             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6830             Harsha Jagasia  <harsha.jagasia@amd.com>
6831
6832         * graphite.c (is_bb_addable): Fix segfault.
6833
6834 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6835
6836         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6837         with multiple exits and conditional handling in edge cases.
6838         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6839
6840         * gcc.dg/graphite/scop-14.c: New.
6841
6842 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6843             Adrien Eliche  <aeliche@isty.uvsq.fr>
6844
6845         * graphite.c (is_bb_addable): Add more comments and enhance
6846         readablity of the source code. Fix memory leak.
6847         (is_loop_exit): Fix memory leak.
6848
6849 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6850
6851         * graphite.c (first_loop_in_scop): Deleted.
6852         (setup_cloog_loop): Only walk the loop chain for inner loops.
6853         (build_scop_iteration_domain): Execute setup_cloog_loop for
6854         all loops in the first layer.
6855
6856 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6857
6858         * graphite.c (scan_tree_for_params): Change the way params are
6859         added to be indepenent of the number of loops.
6860         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6861         handling.
6862         (build_cloog_prog): Revert to short matrix format.
6863
6864 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6865             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6866
6867         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6868         warning.
6869
6870 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6871
6872         * graphite.c (nb_data_refs_in_scop): New.
6873         (graphite_transform_loops): Print more stats: number of
6874         loops, basic blocks and data references per scop.
6875
6876 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6877             Jan Sjodin  <jan.sjodin@amd.com>
6878
6879         * graphite.c (loop_affine_expr, idx_record_params,
6880         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6881         instead of instantiate_parameters.
6882
6883 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6884
6885         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6886         add support for parameters, add STATIC_SCHEDULE at the right places,
6887         cleanup.
6888
6889 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6890
6891         * graphite.c (build_scop_loop_nests): Only add the loops, that
6892         are contained completely in the SCoP.
6893         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6894         and the domains are fixed.
6895         (build_scop_canonical_schedules): Add support for bbs not contained
6896         in any SCoP.
6897
6898 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6899
6900         * graphite.h (scop_contains_loop): Update comments to match
6901         the actual behavior.
6902         (scop_contains_loop): New.
6903         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6904
6905 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6906
6907         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6908         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6909         as GBB_COND_HEADER.
6910
6911 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6912             Tobias Grosser  <grosser@fim.uni-passau.de>
6913
6914         * graphite.c (graphite_transform_loops): Early return when
6915         there are no loops in the function.
6916
6917 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6918             Jan Sjodin  <jan.sjodin@amd.com>
6919
6920         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6921         offset of the last loop.
6922         (setup_cloog_loop): Copy the entire outer constraint matrix.
6923
6924 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6925             Jan Sjodin  <jan.sjodin@amd.com>
6926
6927         * graphite.c (stmt_in_scop_p, function_parameter_p,
6928         invariant_in_scop_p): Removed.
6929         (scan_tree_for_params): Can be used with no constraint
6930         matrix for gathering parameters.
6931         (idx_record_params): Don't use idx_record_param, instead use
6932         scan_tree_for_params.
6933         (find_scop_parameters): Same.
6934         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6935         Fix the size of loop domains.
6936         (schedule_to_scattering): Exit when the outer loop is not in scop.
6937         (find_transform): Enable build_cloog_prog.
6938
6939 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6940             Jan Sjodin  <jan.sjodin@amd.com>
6941
6942         * graphite.c (schedule_to_scattering): Make scattering domains
6943         uniformly of the same size, as required by CLooG 0.14.0 and before.
6944
6945 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6946             Jan Sjodin  <jan.sjodin@amd.com>
6947
6948         * graphite.c (schedule_to_scattering): Rewrite, correct the
6949         translation of the scheduling function to scattering.
6950         (build_cloog_prog): Call schedule_to_scattering only once.
6951         * graphite.h (scop_loop_index): Do not fail for loops not
6952         in the scop: return -1.
6953
6954 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6955
6956         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6957         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6958         (setup_cloog_loop): Export GBB_DOMAIN.
6959         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6960         able to rebuild the original control flow.
6961         * graphite.h (graphite_bb): Add domain field and access macro.
6962         (GBB_DOMAIN): New.
6963
6964 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6965
6966         * graphite.c (debug_gbb): New.
6967         (print_scop, build_graphite_bb): Use SCOP_BBS.
6968         (build_scop_bbs): Reimplemented.
6969         (dfs_bb_in_scop_p): Removed.
6970         (build_scop_loop_nests): Reorder loops inserted in
6971         SCOP_LOOP_NEST: outer loops should come first.
6972         (build_scop_canonical_schedules): Reinitialize at zero
6973         the components of the SCOP_STATIC_SCHEDULE for the loops
6974         that have already been parsed.
6975
6976         * graphite.h (debug_gbb): Declared.
6977
6978 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6979             Jan Sjodin  <jan.sjodin@amd.com>
6980
6981         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6982         (graphite_loop_to_gcc_loop): Removed.
6983         (remove_all_edges): New.
6984         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6985         (gloog): Remove useless code.
6986
6987 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6988
6989         * graphite.c (get_bb_type): Reworked. We distinguish between
6990         loops with one or multiple exits.
6991         (is_loop_exit): New.
6992         (is_pred): New.
6993         (is_bb_addable): Rework condition handling, now support for case
6994         case statements and loops with multiple exits.
6995
6996         * gcc.dg/graphite/scop-11.c: New.
6997         * gcc.dg/graphite/scop-12.c: New.
6998         * gcc.dg/graphite/scop-13.c: New.
6999
7000 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7001
7002         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7003         we have too many colors.
7004
7005 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7006
7007         * doc/invoke.texi (-ftree-loop-fusion): Document.
7008         * tree-pass.h (pass_loop_fusion): Declared.
7009         * tree-loop-fusion.c: New.
7010         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7011         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7012         * tree-data-ref.h (find_data_references_in_loop): Declared.
7013         * common.opt (ftree-loop-fusion): Declared.
7014         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7015
7016 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7017
7018         * graphite.c (build_access_matrix): Fix typo from the merge.
7019
7020 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7021
7022         * Merge from mainline (130800:135673).
7023
7024 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7025
7026         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7027         Update dominators after splitting.
7028
7029 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7030
7031         * graphite.c (is_bb_addable): Return the harmful statement.
7032         Factor up some code.
7033         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7034         (build_scops_1): Call end_scop.
7035
7036 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7037
7038         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7039         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7040         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7041         build_scops_1): Removed.
7042         (build_scops_2): Renamed build_scops_1.
7043
7044 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7045
7046         * graphite.c: Fix formatting.
7047
7048 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7049
7050         * graphite.c (get_bb_type): New.
7051         (move_scops): New.
7052         (build_scops_2): New.
7053         (is_bb_addable): New.
7054         (build_scops): Switch the scop detection.
7055         (build_scop_bbs): Add entry bb to scop.
7056         * graphite.h (struct scop): Update comment.
7057
7058 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7059
7060         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7061         more colors.
7062
7063 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7064
7065         * gcc.dg/graphite/scop-1.c: Update.
7066         * gcc.dg/graphite/scop-2.c: Update.
7067         * gcc.dg/graphite/scop-4.c: Update.
7068         * gcc.dg/graphite/scop-5.c: Add.
7069         * gcc.dg/graphite/scop-6.c: Add.
7070
7071 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7072
7073         * gcc.dg/graphite/scop-0.c: Add.
7074         * gcc.dg/graphite/scop-7.c: Add.
7075         * gcc.dg/graphite/scop-8.c: Add.
7076         * gcc.dg/graphite/scop-9.c: Add.
7077         * gcc.dg/graphite/scop-10.c: Add.
7078
7079 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7080
7081         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7082         Check affine expressions depending on the outermost loop
7083         instead of a scop.
7084         (stmt_simple_for_scop_p): Same.
7085         (harmfule_stmt_in_scop): Same.
7086
7087 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7088
7089         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7090         mark entry and exit, that are not part of the SCoP and update HTML
7091         formatting.
7092
7093 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7094
7095         * graphite.c (basic_block_simple_for_scop_p): Renamed
7096         harmful_stmt_in_bb.
7097         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7098         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7099         (all_preds_visited_p, all_succs_visited_p,
7100         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7101         scop_end_loop): New.
7102         (build_scops): Do not use dfs_enumerate_from.
7103
7104         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7105
7106 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7107
7108         * graphite.c: Add comments to functions that are missing a
7109         description.
7110         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7111
7112 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7113
7114         * graphite.c (nb_params_in_scop): Moved...
7115         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7116         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7117         (clast_to_gcc_expression): Reduce column size to less than 80.
7118         (graphite_create_iv): Return the new name of the IV.
7119         (find_transform): Set options->esp and options->cpp.
7120         (gloog): Comment out the invalidation of the old loop code.
7121         (initialize_dependence_polyhedron): Replace scop_nb_params with
7122         nb_params_in_scop.
7123
7124         * graphite.h (nb_params_in_scop): ... here.
7125         (scop_nb_params): Removed.
7126         (loop_domain_dim): Return something even when the loop was not
7127         found in the hash table: avoid ICEing on all the graphite.exp
7128         testcases.
7129
7130 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7131
7132         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7133
7134         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7135         according to nesting level.
7136         (find_scop_parameters): Call instantiate_parameters.
7137         (scan_tree_for_params): Extend it to handle general affine bounds.
7138         Inner loop bound can depend on outer loop induction variable.
7139         (setup_cloog_loop): tmp variable is allocated on stack. Call
7140         instantiate_parameters with respect to outermost_loop_in_scop.
7141         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7142         graphite.h.
7143         (create_empty_loop): Function loopify should be given edge
7144         probability, instead of edge frequency. Dominance relation from
7145         switch_bb to loop_header.
7146         (clast_to_gcc_expression): Added handling of clast_reduction node.
7147         (gloog): New functionality for removing old loop.
7148         (test_dependence): Factored out from build_rdg_all_levels.
7149         (build_rdg_all_levels): Dependence testing factored out to
7150         test_dependence function.
7151
7152         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7153         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7154         from graphite.c
7155
7156 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7157
7158         * graphite.c (free_scop, param_index, initialize_cloog_names,
7159         nb_params_in_scop): Use name_tree map instead of just a tree
7160         for keeping track of the variable name associated to that tree.
7161         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7162         clast_to_gcc_expression, graphite_create_iv,
7163         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7164         graphite_stmt_to_gcc_stmt): New.
7165         (gloog): Call these.
7166         * graphite.h (struct name_tree): New.
7167         (struct scop): Use name_tree instead of tree for params.
7168         Store a vector of name_tree for new_ivs.
7169         (SCOP_NEWIVS): New.
7170         (scop_nb_params): Use name_tree instead of tree.
7171
7172 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7173             Sebastian Pop  <sebastian.pop@amd.com>
7174
7175         * tree-bounds.c: New.
7176         * tree-bounds.h: New.
7177         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7178         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7179         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7180         flag_mudflap.
7181         * gcc.c: Same.
7182         * toplev.c: Same.
7183         * c-cppbuiltin.c: Same.
7184         * c-pragma.c: Same.
7185         * common.opt: Same.
7186         * varasm.c: Same.
7187         * tree-outof-ssa.c: Same.
7188         * c-common.c: Same.
7189         * Makefile.in: Same.
7190
7191 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7192             Sebastian Pop  <sebastian.pop@amd.com>
7193
7194         * tree-loop-distribution.c (remaining_stmts,
7195         upstream_mem_writes): Removed static variables.
7196         (copy_loop_before, create_bb_after_loop,
7197         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7198         rdg_build_components, rdg_build_partitions,
7199         dump_rdg_partitions): Extern.
7200         (generate_loops_for_partition, generate_code_for_partition): Do not
7201         return a bool.
7202         (already_processed_vertex_p, predecessor_has_mem_write,
7203         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7204         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7205         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7206         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7207         Pass remaining_stmts and upstream_mem_writes as parameters.
7208         (rdg_component): Moved...
7209         (build_rdg_partition_for_component): Do not aggregate components when
7210         flag_streamize_loops is set.
7211         (gen_sequential_loops): New.
7212         (ldist_gen): Call gen_sequential_loops.
7213
7214         * tree-pass.h (pass_loop_streamization): Declared.
7215
7216         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7217         basic blocks when loops structures exist.
7218
7219         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7220
7221         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7222
7223         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7224         eliminate_local_variables_stmt, eliminate_local_variables,
7225         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7226         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7227         of code delimited by two edges in the CFG.
7228         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7229         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7230         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7231         the case of parallelisation of reductions.
7232         (create_loop_fn): Extern.
7233         (create_omp_parallel_region): New.
7234
7235         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7236         dump_data_reference for printing dra and drb.
7237         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7238         RDGE_RELATION.
7239         (build_rdg): Don't call free_dependence_relations for the moment, as
7240         we attach dependence relations on each edge of the RDG.
7241         To be fixed later.
7242
7243         * tree-data-ref.h (rdg_component): ...here.
7244         (struct rdg_edge): New field ddr_p relation.
7245         (RDGE_RELATION): New.
7246         (create_bb_after_loop, copy_loop_before,
7247         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7248         rdg_build_partitions, dump_rdg_partitions,
7249         free_rdg_components): Declared.
7250
7251         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7252         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7253
7254         * tree-loop-streamization.c: New.
7255
7256         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7257         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7258
7259         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7260
7261         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7262
7263         * passes.c: Schedule pass_loop_streamization.
7264
7265 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7266
7267         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7268         update comment.
7269
7270 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7271
7272         * graphite.c (dot_all_scops): Update formatting.
7273         Bbs can now be part of more than one SCoP.
7274
7275 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7276
7277         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7278         malloc problems.
7279         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7280         * graphite.h (loop_to_cloog_loop): New.
7281
7282 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7283
7284         * graphite.c (loop_domain_dim, ref_nb_loops,
7285         loop_iteration_vector_dim): New.
7286         (build_access_matrix_with_af, build_access_matrix,
7287         initialize_dependence_polyhedron): Fixed for new matrix layout.
7288         No longer assume that all iteration domains are of the same
7289         dimensionality.
7290
7291 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7292
7293         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7294         defined in a loop at depth 0 is invariant.
7295         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7296         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7297         be called at loop depth 0.
7298
7299         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7300         a parameter.
7301         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7302         (down_open_scop): Removed.
7303         (loop_in_scop_p): Redefined.
7304         (scop_affine_expr): New argument: scop.
7305         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7306         a harmful statement ending a scop.
7307         (basic_block_simple_for_scop_p): New argument: scop.
7308         (get_loop_start): Removed.
7309         (new_scop): Initialize SCOP_LOOPS.
7310         (free_scop): Free SCOP_LOOPS.
7311         (succs_at_same_depth, preds_at_same_depth): New.
7312         (end_scop): Test the validity of a scop.
7313         (add_dominators_to_open_scops): New.
7314         (test_for_scop_bound): Call add_dominators_to_open_scops.
7315         Add cases for opening and closing multiple scops.
7316         (build_scops, build_scop_bbs): Iterate over basic blocks in
7317         depth first order.
7318         (build_graphite_bb): Pass scop directly.
7319         (dfs_bb_in_scop_p): New.
7320         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7321         several times.
7322         (nb_loops_around_gb): Use loop_in_scop_p.
7323         (schedule_to_scattering): Disabled for the moment the code computing
7324         the "textual order for outer loop".
7325
7326         * graphite.h (struct scop): New field loops.
7327         (SCOP_LOOPS): New.
7328         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7329
7330         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7331
7332 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7333             Sebastian Pop  <sebastian.pop@amd.com>
7334
7335         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7336         * common.opt (fstreamize-loops): New.
7337         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7338         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7339         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7340         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7341
7342 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7343
7344         * tree-data-ref.c (build_empty_rdg): New.
7345         (build_rdg): Use it.
7346         * tree-data-ref.h (build_empty_rdg): Declared.
7347         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7348         (find_vertex_for_stmt): Removed.
7349         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7350
7351 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7352
7353         * tree-loop-distribution.c (generate_builtin): After cancelling the
7354         loop tree, also delete basic blocks.
7355         (rdg_flag_uses): Stop recursion when a vertex has already been
7356         processed.
7357
7358 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7359
7360         * graphite.c (build_scop_alpha): Removed.
7361         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7362         and dump_dependence_graph to avoid compiler warnings.
7363
7364 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7365
7366         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7367         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7368         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7369         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7370         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7371         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7372         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7373         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7374         dump_dependence_graph): New.
7375         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7376         (GBB_ALPHA): New.
7377         (struct scop): New field loop2cloog_loop.
7378         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7379         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7380
7381 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7382
7383         * graphite.c (build_graphite_bb): Fix initialization
7384         of the graphite basic block.
7385
7386 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7387
7388         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7389         loop domain matrix.  Pass in the number of loops contained in the
7390         constraint matrix.
7391         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7392         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7393         loops that are not surrounding the current loop are not represented
7394         in the domain constraint matrix.
7395         (build_scop_iteration_domain): Initial domain constraint matrix
7396         contains only the eq/ineq, cst, and scop parameters columns.
7397
7398 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7399
7400         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7401         (print_graphite_bb): Print scattering.
7402
7403 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7404
7405         * graphite.c (initialize_cloog_names): Initialize names of
7406         scattering variables.
7407
7408 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7409
7410         * graphite.c (dot_all_scops_1): Disable debug output while
7411         printing graph.
7412
7413 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7414
7415         * graphite.c (find_transform): Change cloog output language to C.
7416
7417 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7418
7419         * tree-loop-distribution.c (generate_memset_zero,
7420         generate_builtin, generate_code_for_partition,
7421         rdg_flag_all_uses): New.
7422         (rdg_flag_uses): Gather in the same partition the statements defining
7423         the VUSES of the current statement.
7424         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7425         Gather in the same partition not only the stores to the same memory
7426         access, but also the reads.
7427         (ldist_generate_loops): Renamed ldist_gen.
7428
7429 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7430             Tobias Grosser  <grosser@fmi.uni-passau.de>
7431
7432         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7433         next pointer, don't use the inner pointer.
7434
7435 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7436
7437         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7438         (find_transform): Call dot_all_1.
7439         * graphite.h (dot_all_scops): Declared.
7440
7441 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7442
7443         * tree-loop-distribution.c: Fix apsi.f ICE.
7444         (create_bb_after_loop): New.
7445         (generate_loops_for_partition): Use it.
7446         * gfortran.dg/ldist-1.f90: New.
7447
7448         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7449         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7450
7451 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7452
7453         * graphite.c (find_transform): Dump cloog program sent to cloog.
7454
7455 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7456
7457         * graphite.c (initialize_cloog_names): Initialize cloog
7458         iterator names.
7459
7460 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7461
7462         * graphite.c (build_scop_context): Fix typo, for the matrix
7463         format: insert '0 >= 0' instead of '-1 >= 0'.
7464
7465 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7466
7467         * Fix merge problems.
7468
7469 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7470
7471         * graphite.c (setup_cloog_loop): Fix typo.
7472
7473 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7474
7475         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7476         * tree-loop-distribution.c: Reimplemented.
7477         * tree-pass.h (pass_loop_distribution): New.
7478         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7479         print_loops.
7480         * graphds.h (struct graph): New field indexes.
7481         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7482
7483         * tree-vect-analyze.c: Remove declaration of static functions when not
7484         needed.
7485         * tree-vectorizer.c: Same.
7486         (rename_variables_in_loop): Now extern.
7487         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7488         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7489         calling redirect_edge_and_branch_force.
7490
7491         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7492
7493         * tree-data-ref.c: Don't include tree-chrec.h.
7494         (debug_data_dependence_relations): New.
7495         (dump_data_dependence_relation): Call dump_data_reference on data refs
7496         in the relation.
7497         (same_access_functions): Moved...
7498         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7499         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7500         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7501         struct rdg_vertex_info, ): New.
7502         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7503         at DDR_REVERSED_P.
7504         (create_rdg_vertices): Initialize the htab of graph->indexes.
7505         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7506         (stmts_from_loop): Don't save LABEL_EXPR.
7507         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7508         hash_stmt_vertex_del): New.
7509         (build_rdg): Initialize rdg->indexes.
7510         (free_rdg, stores_from_loop, ref_base_address,
7511         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7512         have_similar_memory_accesses_1, ref_base_address_1,
7513         remove_similar_memory_refs): New.
7514
7515         * tree-data-ref.h: Include tree-chrec.h.
7516         (debug_data_dependence_relations): Declared.
7517         (same_access_functions): ...here.  Now static inline.
7518         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7519         ddr_dependence_level): New.
7520         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7521         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7522         RDG_MEM_READS_STMT): New.
7523         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7524         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7525         rdg_vertex_for_stmt): Declared.
7526         (struct rdg_edge): New field level.
7527         (RDGE_LEVEL, free_rdg): New.
7528         (stores_from_loop, remove_similar_memory_refs,
7529         rdg_defs_used_in_other_loops_p,
7530         have_similar_memory_accesses): Declared.
7531         (rdg_has_similar_memory_accesses): New.
7532
7533         * lambda.h (dependence_level): New.
7534         * common.opt (ftree-loop-distribution): New.
7535         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7536         (print_loop_ir): Renamed print_loops.
7537         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7538         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7539         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7540         (tree-loop-distribution.o): Added.
7541         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7542         (mark_virtual_ops_in_bb): New.
7543         (print_loops_bb, debug_loop_num, debug_loop): New.
7544         * passes.c: Scheduled pass_loop_distribution.
7545
7546 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7547
7548         * graphite.c (scan_tree_for_params): Correct the number of columns
7549         for polylib format.
7550         (nb_flat_iterator): New.
7551         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7552         (build_scop_iteration_domain): Correct the number of columns for
7553         polylib format.
7554
7555 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7556
7557         * Merge from mainline (129697:130800).
7558
7559 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7560
7561         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7562         dominated by SCoP's exit.
7563         (graphite_transform_loops): Compute post dominators.
7564
7565 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7566
7567         * Merge from mainline (127169:129697).
7568
7569 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7570
7571         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7572         parameter for the basic block that contains the expression.  Use
7573         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7574         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7575         the expression.
7576         * graphite.h (gbb_loop): New.
7577         (GBB_LOOP): Removed.
7578
7579 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7580
7581         * Makefile.in: Fix merge problem.
7582
7583 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7584
7585         * Merge from mainline (125309:127169).
7586         * tree-loop-distribution.c: Disabled.
7587
7588 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7589
7590         * Merge from mainline (r123693:125309).
7591
7592 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7593
7594         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7595         correct_modify_p
7596         (correct_modify_p, check_statements, number_of_lvalue_uses,
7597         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7598         instead of MODIFY_EXPR.
7599         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7600         and push new edges.
7601
7602 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7603
7604         * tree-loop-distribution.c (struct rdg): Replace arrays by
7605         VECs for edges and vertices.
7606         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7607         (RDGV_NB_PARTITIONS): New.
7608         (PRDG_NBV, PRDG_NBE): Removed.
7609         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7610         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7611         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7612
7613 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7614             Sebastian Pop  <sebpop@gmail.com>
7615
7616         * doc/invoke.texi (-ftree-loop-distribution): Document.
7617         * tree-loop-distribution.c: New file.
7618         * tree-pass.h (pass_loop_distribution): Declared.
7619         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7620         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7621         and set reversed_p.
7622         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7623         (DDR_REVERSED_P): New.
7624         * common.opt (-ftree-loop-distribution): New.
7625         * tree-flow.h (distribute_loops): Declared.
7626         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7627         * passes.c (init_optimization_passes): Schedule loop distribution.
7628
7629 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7630
7631         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7632         (print_scop): Don't print when scop is NULL.
7633         (build_scop_context, find_transform): Don't output to stderr.
7634
7635 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7636
7637         * tree-data-ref.c: Don't include graphite.h.
7638         Comment out the code for printing data reference's scop.
7639         (build_access_matrix_with_af): Moved...
7640         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7641         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7642         (print_graphite_bb): Print basic block's schedule.
7643         (print_scop): Don't print the schedule, call cloog's pretty printer.
7644         (bb_in_scop_p): A basic block is in a scop only if it is both
7645         dominated and postdominated by the scop's entry and exit basic blocks.
7646         (function_parameter_p): New.
7647         (invariant_in_scop_p): Use function_parameter_p.
7648         (new_scop, save_scop): New.
7649         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7650         save_scop.
7651         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7652         (loop_in_scop_p): New.
7653         (scop_record_loop): Use loop_in_scop_p.
7654         (build_scop_domain): Renamed build_scop_iteration_domain.
7655         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7656         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7657         setup_cloog_loop, dot_scop_1, dot_scop): New.
7658         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7659         (struct scop): Add a pointer to cloog's representation of a program.
7660
7661 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7662
7663         * doc/invoke.texi (-ftree-check-verbose): Renamed
7664         -ftree-checks-verbose.
7665         * common.opt (flag_tree_check_verbose): Renamed
7666         flag_tree_checks_verbose.
7667         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7668
7669 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7670
7671         * configure: Regenerated.
7672         * config.in: Regenerated.
7673         * tree-ssa-loop.c (graphite_transforms): Execute
7674         graphite_transform_loops only when HAVE_cloog.
7675         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7676         * graphite.c: Include polylibgmp.h and cloog.h.
7677         (graphite_transform_loops): Removed loops parameter.
7678         * tree-flow.h (graphite_transform_loops): Update declaration.
7679         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7680         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7681         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7682         (OBJS-common): Remove dependence on graphite.o.
7683         (BACKEND): Depend on @GRAPHITE@.
7684
7685 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7686
7687         * doc/invoke.texi (-ftree-check-verbose): Documented.
7688         * gcc.dg/tree-checker/tree-checks-1.c: New.
7689         * gcc.dg/tree-checker/tree-checks-2.c: New.
7690         * gcc.dg/tree-checker/tree-checks-3.c: New.
7691         * gcc.dg/tree-checker/tree-checks-4.c: New.
7692         * gcc.dg/tree-checker/tree-checks.exp: New.
7693         * gcc.dg/tree-checker/condates.crp: New.
7694         * common.opt (ftree-checks-verbose): New.
7695         * tree-check.c (tree_check_warning): Move extra stderr output
7696         under control of flag_tree_check_verbose.
7697
7698 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7699
7700         * tree-match.c: Fix comments formatting.
7701         * tree-match.h: Fix comments formatting.
7702         * tree-check.c: Fix comments formatting.
7703         (tree_check_init): Restructure.
7704
7705 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7706
7707         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7708
7709 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
7710
7711         * Merge from mainline (r120733:123693).
7712
7713 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
7714
7715         * condate.y: New file.
7716         * tree-match.h (struct patt_info_s): New field sign.
7717         (struct condate_s): New field msg.
7718         (normalize_condate, name_condate, add_condate): New.
7719         (conds[], condate_parse): Made extern.
7720         * tree-check.c (tree_check_warning): First arg changed to cond;
7721         warning reformatted.
7722         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7723         (tree_scan): New.
7724         (tree_check): Process trivial condates.
7725         (read_delimited_string): Removed.
7726         (print_cond): Print name and msg.
7727         (conds[]): Made extern.
7728         (parse_tree_check_file_once): Rewritten to use the parser in
7729         condate.y.
7730         Processing of option --tree_check_string moved to tree_scan().
7731         * Makefile.in: Added condate.y
7732
7733 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7734
7735         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7736         Use VECs instead of varrays.
7737         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7738         * Makefile.in (pretty-print.o): Depend on vec.h.
7739         * pretty-print.c: Include tree.h and vec.h.
7740         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7741         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7742         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7743         pp_free_list): Use VECs instead of varrays.
7744         * pretty-print.h: Do not include varray.h.
7745         (struct tree_chunk_s): Declaration moved before its use.
7746         (output_buffer): Rename varray field to chunks.
7747         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7748         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7749         save_global_holes): Use VECs instead of varrays.
7750         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7751         * tree-check.c (scan_cfg_stmts, push_node,
7752         print_matching_stmt): Removed.
7753         (tree_check_instance, push_global_holes_if_new, tree_check,
7754         execute_tree_check): Use VECs instead of varrays.
7755         (gate_tree_check): Don't execute the CFG check when basic_block_info
7756         is not available.
7757
7758 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7759
7760         * Merge from mainline (r115016:120733).
7761
7762 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7763
7764         * Merge from mainline (r117632:117661).
7765
7766 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7767
7768         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7769         * tree-pass.h (TDF_DEBUG, debug_p): New.
7770         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7771         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7772         get_loop_exit_condition, analyze_evolution_in_loop,
7773         analyze_initial_condition, analyze_scalar_evolution,
7774         instantiate_parameters, number_of_latch_executions): Use debug_p.
7775         * tree-chrec.c (chrec_apply): Use debug_p.
7776         * tree-data-ref.c: Include graphite.h.
7777         (dump_data_reference): Print also the access matrix.
7778         (analyze_array, analyze_indirect_ref, init_data_ref,
7779         analyze_offset_expr, address_analysis, object_analysis,
7780         create_data_ref, finalize_ddr_dependent,
7781         non_affine_dependence_relation, analyze_ziv_subscript,
7782         analyze_siv_subscript_cst_affine,
7783         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7784         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7785         analyze_miv_subscript, analyze_overlapping_iterations,
7786         build_classic_dist_vector, subscript_dependence_tester,
7787         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7788         (build_access_matrix_with_af): No longer static.
7789         * tree-data-ref.h (scop_p): ... declaration here.
7790         (data_reference.scop): New field.
7791         (DR_SCOP, DR_ACCESS_MATRIX): New.
7792         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7793         * graphite.c (print_graphite_bb): Call dump_data_references.
7794         (print_scop): Use scop_nb_loops and scop_dim_domain.
7795         (test_for_scop_bound): Use debug_p.
7796         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7797         scop_nb_params.
7798         (scop_loop_index): Moved...
7799         (scop_record_loop): New.
7800         (build_scop_loop_nests): Use scop_record_loop.
7801         (build_scop_domain): Use scop_dim_domain.
7802         (build_access_matrix): Implemented.
7803         (build_scop_canonical_schedules): Use scop_nb_loops.
7804         (build_graphite_bb): Initialize GBB_SCOP.
7805         * graphite.h (scop_p): Moved...
7806         (graphite_bb.scop): New field.
7807         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7808         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7809         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7810         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7811         scop_loop_index): New.
7812         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7813
7814 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7815
7816         * Merge from mainline (r117661:120450).
7817
7818 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7819
7820         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7821         at the first declaration outside the varying loop, instantiate as
7822         far as possible.
7823         * tree-chrec.c (for_each_scev_op): New.
7824         * tree-chrec.h (for_each_scev_op): Declared.
7825         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7826         * tree-data-ref.c (get_references_in_stmt,
7827         find_data_references_in_stmt): New, from trunk.
7828         (find_data_references_in_loop): Use get_references_in_stmt
7829         and find_data_references_in_loop, modified as in trunk.
7830         (build_access_matrix_with_af): New.
7831         * tree-data-ref.h (data_reference): Add a field access_matrix.
7832         (data_ref_loc): New, as in trunk.
7833         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7834         invariant_in_scop_p, param_index, scan_tree_for_params,
7835         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7836         idx_record_param, idx_record_params, build_access_matrix,
7837         build_scop_data_accesses, build_scop_canonical_schedules,
7838         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7839         build_scop_params): New.
7840         * graphite.h (graphite_bb): New.
7841         (scop): Add fields static_schedule, params, loop_nest,
7842         iteration_domain.
7843         * lambda.h: Declare vecs of lambda_matrix.
7844         * tree-flow.h (print_loop_ir_bb): Declared.
7845         * tree-cfg.c (print_loop_ir_bb): New.
7846         (print_loop): Use print_loop_ir_bb.
7847
7848 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7849
7850         * Merge from mainline (r115016:117632).
7851
7852 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7853
7854         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7855         break due to a warning.
7856
7857 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7858
7859         * graphite.c (print_scops, debug_scops): New.
7860         (graphite_transform): Renamed graphite_find_transform.
7861         * graphite.h (debug_scops): Declared.
7862
7863 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7864
7865         * tree-match.c: Reformat following the GNU style.
7866         * tree-match.h: Reformat following the GNU style.
7867         * tree-pattern.h: Removed empty file.
7868         * Makefile.in: Remove references to tree-pattern.h.
7869         * tree-check.c: Reformat following the GNU style.
7870         (execute_tree_check): Move gate condition code to...
7871         (gate_tree_check): ...here.  New function.
7872         (pass_check): Use the gate function.
7873
7874 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7875
7876         * tree-pattern.h: New. Tree pattern matching and checking using
7877         concrete syntax.
7878         * tree-check.c: New. Tree/CFG checking pass.
7879         * tree-match.c: New. Library for tree pattern matching.
7880         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7881         * toplev.c, flags.h: Add globals for tree-check pass.
7882         * Makefile.in: Integrate the files in tree-check pass.
7883         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7884         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7885         Introduce a "lazy" pretty-print mode.
7886         * tree.c, tree.h: Add tree_name.
7887
7888 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7889
7890         * doc/invoke.texi (-fgraphite): Correct typo.
7891         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7892         use of print_loop_ir.
7893         * gcc.dg/graphite/scop-1.c: New.
7894         * gcc.dg/graphite/scop-2.c: New.
7895         * gcc.dg/graphite/graphite.exp: New.
7896         * graphite.c: Include domwalk.h.
7897         (print_scop): Print only the entry and exit blocks.
7898         (debug_scop): No longer static.
7899         (affine_expr): Fix formating.  Return also true when the expression is
7900         constant.
7901         (stmt_simple_for_scop_p): Fix formating.
7902         (build_scops): Use domwalk.
7903         (get_loop_start, end_scop, test_for_scop_bound): New.
7904         (graphite_transform_loops): Avoid printing on stderr.
7905         * graphite.h (debug_scop): Declared.
7906         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7907         * Makefile.in (graphite.o): Depend on domwalk.h.
7908         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7909         declarations for static functions.
7910         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7911         controlling output verbosity.
7912
7913 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7914             Plesco Alexandru  <shurikx@gmail.com>
7915
7916         * doc/invoke.texi (-fgraphite): Document.
7917         * tree-pass.h (pass_graphite_transforms): Declared.
7918         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7919         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7920         (pass_graphite_transforms): Defined.
7921         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7922         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7923         * graphite.c, graphite.h: New.
7924         * common.opt (fgraphite): Declared.
7925         * tree-flow.h (graphite_transform_loops): Declared.
7926         * Makefile.in (OBJS-common): Add graphite.o.
7927         (graphite.o): New rule.
7928         * passes.c (pass_graphite_transforms): Scheduled.
7929