gcc/ChangeLog.graphite

   1 2010-08-14  Riyadh Baghdadi <baghdadi.mr@gmail.com>
   2
   3         * doc/invoke.texi (debugging options): Update documentation.
   4         (-floop-interchange): Same.
   5         (-flopp-strip-mine): Same.
   6         (-floop-block): Same.
   7         (-fgraphite-read): Add documentation.
   8         (-fgraphite-write): Same.
   9
  10 2010-08-14  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  11
  12         * toplev.c (process_options): Disable graphite loop optimization
  13         options when -fgraphite-read flag is used.
  14
  15 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  16
  17         * graphite-poly.c (init_graphite_out_file): New.
  18         (init_graphite_in_file): New.
  19         (apply_poly_transforms): Updated to enable reading and writing of
  20         multiple scop files.
  21         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
  22
  23 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
  24
  25         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
  26         redundant checks.
  27
  28 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * graphite-clast-to-gimple.c (precision_for_value): Adjust
  31         computation of precision by 1.
  32
  33 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  34
  35         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
  36         (openscop_read_polyhedron_matrix): New.
  37         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
  38         (openscop_read_N_int): Same.
  39         * graphite-poly.c (openscop_read_N_int): New.
  40         (openscop_read_one_int): New.
  41         (openscop_read_N_string): New.
  42         (openscop_read_one_string): New.
  43         (openscop_read_powerset_matrix): New.
  44         (graphite_read_transforms): Remove.
  45         (graphite_read_scatt): New.
  46         (graphite_read_scop_file): New.
  47         (apply_poly_transforms): Updated to call graphite_read_scop_file.
  48
  49 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  50
  51         * graphite-poly.c: Change include order.
  52
  53 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  54
  55         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
  56         (cloog_matrix_nrows): New.
  57
  58 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  59
  60         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
  61         from matrix lines.
  62         * graphite-poly.c (openscop_print_scattering_function_1): Same.
  63         (print_scattering_function_1): Same.
  64         (openscop_print_pbb_domain): Same.
  65         (openscop_print_scop_context): Same.
  66         (print_scop_context): Same.
  67
  68 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  69
  70         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
  71         (openscop_print_pdr_polyhedron): Print pph.
  72
  73 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
  76         * gfortran.dg/graphite/graphite.exp: Same.
  77         * gcc.dg/graphite/vect-pr43423.c: New.
  78
  79 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
  80
  81         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
  82         priority signed types.
  83
  84 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
  85
  86         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
  87         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
  88
  89 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  90
  91         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
  92         (openscop_print_polyhedron_matrix): New.
  93         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
  94         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
  95         (openscop_print_pdr_powerset): New.
  96         (openscop_print_powerset_matrix): New.
  97         (openscop_print_scattering_function_1): New.
  98         (print_scattering_function): Add support for scattering names and
  99         OpenScop format.
 100         (graphite_write_transforms): Remove.
 101         (apply_poly_transforms): Updated to call print_scop.
 102         (print_pdr_access_layout): Updated to support OpenScop format.
 103         (print_pdr): Same.
 104         (openscop_print_pbb_domain): New.
 105         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 106         not provided.
 107         (print_pbb): Updated to call the new print_pbb_body.
 108         (openscop_print_scop_context): New.
 109         (print_scop_header): New.
 110         (print_scop): Updated to call print_scop_header.
 111         * graphite-poly.h: Document OpenScop format.
 112
 113 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 114
 115         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 116         the case removed in the previous patch, when the only phi argument
 117         is defined in the same loop as the phi node itself.  Handle it
 118         separately from the invariant case by both propagating it outside
 119         the region and replacing the phi node with an assign.
 120
 121 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 124         constant phi nodes with one argument are is_gimple_min_invariant
 125         and SSA_NAME_IS_DEFAULT_DEF.
 126
 127         * gfortran.dg/graphite/id-22.f: New.
 128
 129 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 130
 131         * graphite-cloog-util.c (oppose_constraint):
 132         Extend loop counter's value range (CLOOG_ORG).
 133         (cloog_matrix_to_ppl_constraint): Same.
 134         (new_Constraint_System_from_Cloog_matrix): Same.
 135         * graphite-cloog-compat.h (matrix_num_type): New.
 136
 137 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 138
 139         * graphite.c (graphite_initialize): Do not initialize
 140         CLooG and initialize the Parma Polyhedra Library
 141         manually when using CLOOG_ORG.
 142         (graphite_finalize): Do not finalize CLooG and finalize
 143         the Parma Polyhedra Library manually when using CLOOG_ORG.
 144         * graphite-cloog-compat.h (cloog_initialize): Hide function
 145         when using CLOOG_ORG.
 146         (cloog_finalize): Same.
 147
 148 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 149
 150         * graphite-clast-to-gimple.c (free_scattering): Change
 151         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 152         (CLOOG_ORG).
 153         (build_cloog_prog): Same.
 154         * graphite-cloog-compat.h (cloog_domain): Removed.
 155         (cloog_scattering): New.
 156         (cloog_set_domain): Removed.
 157         (cloog_set_scattering): New.
 158         (cloog_next_domain): Removed.
 159         (cloog_next_scattering): New.
 160         (cloog_set_next_domain): Removed.
 161         (cloog_set_next_scattering): New.
 162         (CloogScatteringList): New.
 163         (CloogScattering): New.
 164         (cloog_scattering_free): New.
 165         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 166         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 167         New.
 168
 169 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 170
 171         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 172         CloogState.
 173         (set_cloog_options): Same.
 174         (print_clast_stmt): Same.
 175         (scop_to_clast): Same.
 176         (print_generated_program): Same.
 177         (gloog): Same.
 178         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 179         (scop_to_clast): Extend with CloogState.
 180         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 181         (new_Cloog_Domain_from_ppl_Polyhedron):
 182         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 183         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 184         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 185         * graphite-cloog-util.h (build_cloog_prog): Same.
 186         * graphite-cloog-copat.h (build_cloog_prog): New.
 187         (CloogState): New.
 188         (cloog_state_malloc): New.
 189         (cloog_state_free): New.
 190         (cloog_loop_malloc): New.
 191         (cloog_options_malloc): New.
 192         (cloog_statement_alloc): New.
 193         (cloog_domain_from_cloog_matrix): New.
 194         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 195         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 196
 197 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 198
 199         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 200         type of NAME now depends on used CLooG version.
 201         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 202         (gcc_type_for_clast_expr): Same.
 203         (print_clast_stmt): Replace pprint with clast_pprint.
 204         * graphite-cloog-compat.h: Provide compatibility macros for
 205         CLooG Legacy.
 206         (clast_name_p): New.
 207         (clast_expr_term): New.
 208         (clast_expr_red): New.
 209         (clast_expr_bin): New.
 210         (clast_pprint): New.
 211
 212 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 213
 214         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 215         compatible to newer CLooG releases (CLOOG_ORG).
 216         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 217         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 218         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 219         (build_cloog_prog) : New.
 220         (cloog_program_extract_scalars): New.
 221         (cloog_program_scatter): New.
 222
 223 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 224
 225         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 226         conditionally (CLOOG_ORG).
 227         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 228         (cloog_statement_usr): New.
 229         (cloog_domain): Same.
 230         (cloog_set_domain): Same.
 231         (cloog_next_domain): Same.
 232         (cloog_set_next_domain): Same.
 233         (cloog_program_nb_scattdims): Same.
 234         (cloog_program_set_nb_scattdims): Same.
 235         (cloog_program_names): Same.
 236         (cloog_program_set_names): Same.
 237         (cloog_program_set_context): Same.
 238         (cloog_program_set_loop): Same.
 239         (cloog_program_blocklist): Same.
 240         (cloog_program_set_blocklist): Same.
 241         (cloog_program_scaldims): Same.
 242         (cloog_program_set_scaldims): Same.
 243         (cloog_names_nb_parameters): Same.
 244         (cloog_names_set_nb_parameters): Same.
 245         (cloog_names_parameters): Same.
 246         (cloog_names_set_parameters): Same.
 247         (cloog_names_set_nb_iterators): Same.
 248         (cloog_names_set_iterators): Same.
 249         (cloog_names_set_nb_scattering): Same.
 250         (cloog_names_set_scattering): Same.
 251         (cloog_statement_set_usr): Same.
 252         (cloog_loop_set_next): Same.
 253         (cloog_loop_set_domain): Same.
 254         (cloog_loop_set_block): Same.
 255         (cloog_block_list_next): Same.
 256         (cloog_block_list_set_next):
 257         (cloog_block_list_set_block): Same.
 258
 259 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 260
 261         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 262         a bool.
 263         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 264         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 265         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 266         when something has been changed.
 267         (rewrite_commutative_reductions_out_of_ssa): Same.
 268
 269         * gcc.dg/graphite/id-26.c: New.
 270
 271 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 272
 273         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 274         handle the case when def is in the sese region.
 275         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 276         for invariant expressions.
 277         (rewrite_cross_bb_phi_deps): Removed.
 278         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 279         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 280         rewrite_cross_bb_phi_deps.
 281
 282 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 283
 284         * graphite-sese-to-poly.c
 285         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 286         scev_analyzable_p only on is_gimple_reg
 287
 288         * gcc.dg/graphite/id-25.c: New.
 289
 290 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 291
 292         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 293         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 294         parametric expressions outside the scop region.
 295         (rewrite_cross_bb_scalar_deps): Same.
 296         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 297
 298         * gcc.dg/graphite/run-id-5.c: New.
 299         * gcc.dg/graphite/run-id-6.c: New.
 300         * gfortran.dg/graphite/id-21.f: New.
 301
 302 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 305         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 306
 307         * gcc.dg/graphite/id-24.c: New.
 308
 309 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 310
 311         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 312         instantiate default definitions.
 313
 314 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 315
 316         * graphite-scop-detection.c (is_valid_stmt_p): New.
 317         (is_valid_bb_p): New.
 318
 319 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 320             Sebastian Pop  <sebastian.pop@amd.com>
 321
 322         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 323         (loop_exits_from_bb_p): New.
 324         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 325         (loop_exits_from_bb_p): Declared.
 326         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 327         loop_exits_to_bb_p.
 328
 329 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 330
 331         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 332         tree-data-ref.h.
 333         (dot_regions_1): New.
 334         (dot_regions): New.
 335         * refined-regions.h (dot_regions): Declared.
 336         * Makefile.in (refined-regions.o): Update dependences.
 337
 338 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 339
 340         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 341         extra parameter for the region.  Call scev_analyzable_p.
 342         (rewrite_reductions_out_of_ssa): Update call to
 343         rewrite_close_phi_out_of_ssa.
 344         (rewrite_cross_bb_phi_deps): Same.
 345         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 346         parameter for the region.  Call scev_analyzable_p.
 347         (rewrite_commutative_reductions_out_of_ssa): Update call to
 348         rewrite_commutative_reductions_out_of_ssa_loop.
 349
 350 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 351
 352         * gcc.dg/tree-ssa/pr20742.c: New.
 353
 354 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 357
 358         * gcc.dg/graphite/id-23.c: New.
 359
 360 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 363         SSA scalar phi nodes that can be scev_analyzable_p.
 364
 365         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 366
 367 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 368
 369         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 370         handle SSA_NAME_IS_DEFAULT_DEF.
 371
 372 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 373
 374         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 375
 376         * gcc.dg/graphite/pr42729.c: New.
 377
 378 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 381         case non close-phi nodes with one argument.
 382
 383 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 384
 385         * sese.h (scev_analyzable_p): Scevs could be expressions without
 386         chrecs and still be scev_analyzable_p.
 387
 388 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 389
 390         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 391
 392 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 395         * cfgloop.h (struct loop): Remove single_iv field.
 396         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 397         (scop_canonicalize_loops): Removed.
 398         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 399         over all the loop phi nodes in loop->header.
 400         (build_poly_scop): Remove use of scop_canonicalize_loops.
 401
 402 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 403
 404         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 405         handle GIMPLE_CALL.
 406
 407 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 408
 409         * tree-chrec.c (chrec_apply): Should only apply to the specified
 410         variable.  Also handle multivariate chains of recurrences that
 411         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 412
 413 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 414
 415         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 416         (debug_clast_name_indexes_1): Removed.
 417         (debug_clast_name_indexes): Removed.
 418         (pbb_to_depth_to_oldiv): Removed.
 419         (build_iv_mapping): Replace the use of rename_map with iv_map.
 420         (translate_clast_user): Remove uses of rename_map.  Allocate and
 421         free iv_map.
 422         (translate_clast_for_loop): Remove uses of rename_map.
 423         (translate_clast_for): Same.
 424         (translate_clast_guard): Same.
 425         (translate_clast): Same.
 426         (gloog): Same.
 427         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 428         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 429         * sese.c (set_rename): Now static.
 430         (rename_variables_in_stmt): Removed.
 431         (rename_uses): New.
 432         (is_parameter): Removed.
 433         (is_iv): Removed.
 434         (expand_scalar_variables_call): Removed.
 435         (expand_scalar_variables_ssa_name): Removed.
 436         (expand_scalar_variables_expr): Removed.
 437         (expand_scalar_variables_stmt): Removed.
 438         (expand_scalar_variables): Removed.
 439         (rename_variables): Removed.
 440         (remove_condition): Removed.
 441         (get_true_edge_from_guard_bb): Removed.
 442         (get_false_edge_from_guard_bb): Removed.
 443         (struct igp): Removed.
 444         (default_before_guard): Removed.
 445         (convert_for_phi_arg): Removed.
 446         (add_guard_exit_phis): Removed.
 447         (insert_guard_phis): Removed.
 448         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 449         region.  Do not copy conditions.  Do not copy induction variables.
 450         Call rename_uses.
 451         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 452         the translated statement.  Use the iv_map for the induction
 453         variable renaming.
 454         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 455         (set_rename): Removed declaration.
 456         (scev_analyzable_p): ...here.
 457         * tree-chrec.c (chrec_apply_map): New.
 458         * tree-chrec.h (chrec_apply_map): Declared.
 459
 460 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 461
 462         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 463         insert_loop_close_phis.
 464         * sese.c (name_defined_in_loop_p): Removed.
 465         (expr_defined_in_loop_p): Removed.
 466         (alive_after_loop): Removed.
 467         (close_phi_not_yet_inserted_p): Removed.
 468         (struct alep): Removed.
 469         (add_loop_exit_phis): Removed.
 470         (insert_loop_close_phis): Removed.
 471
 472 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 473
 474         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 475         condition.
 476         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 477
 478 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 479
 480         * gfortran.dg/graphite/id-20.f: New.
 481
 482 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 483
 484         * graphite-cloog-util.h: Added cloog.h.
 485         * graphite-blocking.c: Removed cloog.h.
 486         * graphite-dependences.c: Same.
 487         * graphite-interchange.c: Same.
 488         * graphite-poly.c: Same.
 489         * graphite-ppl.c: Same.
 490         * graphite-scop-detection.c: Same.
 491         * graphite-sese-to-poly.c:
 492         Removed cloog.h.
 493         Removed graphite-clast-to-gimple.h.
 494         (check_poly_representation): Removed (unused).
 495         * graphite-sese-to-poly.h
 496         (check_poly_representation): Removed (unused).
 497
 498 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 499
 500         * Makefile.in
 501         (OBJS-common): Added graphite-cloog-util.o.
 502         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 503         (graphite-cloog-util.o): New.
 504         (graphite-ppl.o): Added graphite-cloog-util.h.
 505         * graphite-clast-to-gimple.c:
 506         Added graphite-cloog-util.h to include statements.
 507         * graphite-cloog-util.c: New.
 508         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 509         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 510         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 511         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 512         (ppl_Constrain_System_number_of_constraints): Same.
 513         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 514         (oppose_constraint): Same.
 515         (cloog_matrix_to_ppl_constraint): Same.
 516         (new_Constraint_System_from_Cloog_Matrix): Same.
 517         (insert_constraint_into_matrix): Same. Declared static.
 518         * graphite-cloog-util.h: New.
 519         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 520         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 521         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 522         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 523         (insert_constraint_into_matrix): Same.
 524         * graphite-ppl.c:
 525         Added graphite-cloog-util.h to include statements.
 526         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 527         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 528         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 529         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 530         (insert_constraint_into_matrix): Same.
 531         (ppl_Constrain_System_number_of_constraints): Same.
 532         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 533         (oppose_constraint): Same.
 534         (cloog_matrix_to_ppl_constraint): Same.
 535         (new_Constraint_System_from_Cloog_Matrix): Same.
 536         * graphite-ppl.h:
 537         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 538         graphite-cloog-util.h.
 539         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 540         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 541         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 542         (insert_constraint_into_matrix): Removed.
 543
 544 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 545
 546         * graphite-clast-to-gimple.c
 547         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 548         (precision_for_interval): Same.
 549         (gcc_type_for_interval): Same.
 550         (compute_type_for_level): Same.
 551         * graphite-interchange.c
 552         (lst_interchange_profitable_p): Same.
 553         * graphite-poly.c
 554         (psct_scattering_dim_for_loop_depth): Same.
 555         * graphite-ppl.c
 556         (ppl_max_for_le_pointset): Same.
 557         (ppl_min_for_le_pointset): Same.
 558
 559 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 560
 561         * refined-regions.c (bb_index_compare): New.
 562         (get_bbs_in_region): New.
 563         (print_bbs_in_region): New.
 564         (print_refined_region): Add an argument that allows to print
 565         all basic blocks contained in regions.
 566         (debug_refined_region): Update call to print_refined_region.
 567         * refined-regions.h (print_refined_region): Update declaration.
 568         (get_bbs_in_region): Declared.
 569         * graphite-scop-detection.c (build_scops_new): Print the refined
 570         region tree into the Grahite dump file.
 571
 572 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 573
 574         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 575         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 576
 577 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 580         rewrite_close_phi_out_of_ssa.
 581
 582         * gcc.dg/graphite/id-22.c: New.
 583
 584 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 587
 588 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 589
 590         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 591         rename_map.
 592         * sese.c (debug_rename_map): Same.
 593         (get_rename): Same.
 594         (set_rename): Same.
 595         (rename_variables_in_stmt): Same.
 596         (expand_scalar_variables_call): Same.
 597         (expand_scalar_variables_ssa_name): Same.
 598         (expand_scalar_variables_expr): Same.
 599         (expand_scalar_variables_stmt): Same.
 600         (expand_scalar_variables): Same.
 601         (rename_variables): Same.
 602         (graphite_copy_stmts_from_block): Same.
 603         (copy_bb_and_scalar_dependences): Same.
 604
 605 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 606
 607         * graphite-clast-to-gimple.c (copy_renames): Removed.
 608         (translate_clast_for): Do not call copy_renames.
 609         (translate_clast_guard): Same.
 610
 611 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 612
 613         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 614         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 615         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 616         before rewrite_cross_bb_scalar_deps.
 617
 618 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 621         Early return in when flag_associative_math is not set.
 622
 623 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * gcc.dg/graphite/run-id-2.c: Call abort.
 626
 627 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 630         of SSA copies on edges except for loop->latch.
 631
 632 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 633
 634         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 635         Split out of rewrite_reductions_out_of_ssa.
 636         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 637         Declared.
 638         * graphite.c (graphite_transform_loops): Call it.
 639
 640 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 643
 644 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         * passes.c (init_optimization_passes): Add pass_graphite.
 647         Schedule a pass_copy_prop before pass_graphite_transforms.
 648         * timevar.def (TV_GRAPHITE): Declared.
 649         * tree-pass.h (pass_graphite): Declared.
 650         * tree-ssa-loop.c (pass_graphite): New.
 651
 652         * gcc.dg/graphite/id-20.c: New.
 653
 654 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 655
 656         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 657         Remove calls to rename_nb_iterations and rename_sese_parameters.
 658         * graphite-clast-to-gimple.h (gloog): Update declaration.
 659         * graphite.c (graphite_transform_loops): Update call to gloog.
 660         * sese.c (rename_variables_in_expr): Removed.
 661         (rename_nb_iterations): Removed.
 662         (rename_sese_parameters): Removed.
 663         * sese.h (rename_nb_iterations): Removed.
 664         (rename_sese_parameters): Removed.
 665
 666 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         * graphite-clast-to-gimple.c (gloog): Remove call to
 669         sese_adjust_liveout_phis.
 670         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 671         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 672         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 673         rewrite_phi_out_of_ssa.
 674         * sese.c (get_vdef_before_sese): Removed.
 675         (sese_adjust_vphi): Removed.
 676         (sese_adjust_liveout_phis): Removed.
 677         * sese.h (sese_adjust_liveout_phis): Removed.
 678
 679 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 680
 681         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 682         argument for the place after which to insert the out of SSA copy.
 683         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 684         (rewrite_phi_out_of_ssa): Same.
 685         (rewrite_cross_bb_scalar_deps): Same.
 686         (insert_copyout): Removed.
 687         (insert_copyin): Removed.
 688         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 689         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 690         insert_copyin.
 691
 692 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 695         (rewrite_reductions_out_of_ssa): Same.
 696         (rewrite_commutative_reductions_out_of_ssa): Same.
 697         (build_poly_scop): Do not call these functions.
 698         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 699         (rewrite_reductions_out_of_ssa): Declared.
 700         (rewrite_commutative_reductions_out_of_ssa): Declared.
 701         * graphite.c (graphite_transform_loops): Call on every scop
 702         rewrite_commutative_reductions_out_of_ssa before calling
 703         rewrite_reductions_out_of_ssa and build_scop_bbs.
 704
 705 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 706
 707         * graphite-dependences.c (dot_deps): Make system call to dotty run
 708         in background.
 709         (dot_deps_stmt): Same.
 710         * graphite-poly.c (dot_lst): Same.
 711
 712 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 713
 714         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 715         old_type in parameter.
 716         (gcc_type_for_value): Update call to gcc_type_for_interval.
 717         (compute_type_for_level_1): Renamed compute_type_for_level.
 718         Update call to gcc_type_for_interval.
 719
 720 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 721
 722         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 723         the scev analysis when the variable is not used outside the loop
 724         in a close phi node: call compute_overall_effect_of_inner_loop.
 725
 726 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 727
 728         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 729         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 730         (build_sese_conditions_before): Renamed call to single_pred_cond.
 731         (build_sese_conditions_after): Same.
 732
 733 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-poly.h: Fix comments and indentation.
 736         * graphite-sese-to-poly.c: Same.
 737         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 738         * tree-chrec.c: Fix comments and indentation.
 739         (tree-ssa-loop-niter.c): Same.
 740
 741 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 742
 743         * refined-regions.c (create_region): Only initialize the region.
 744         (find_regions_with_entry): Initialize parent relation and bbmap
 745         correctly.
 746         (build_regions_tree): Set outermost_region to region instead of
 747         topmost_region.
 748         (calculate_region_tree): Remove unneeded parameters.
 749
 750 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 751
 752         * graphite-scop-detection.c (is_scop_p): New.
 753         (build_scops_new): New. A skeleton for the new scop detection.
 754         (build_scops_old): Renamed from build_scops.
 755         (build_scops): New version. Call the new and the old scop
 756         detection.
 757
 758 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 759             Antoniu Pop  <antoniu.pop@gmail.com>
 760
 761         * Makefile.in (OBJS-common): Add refined-regions.o.
 762         (refined-regions.o): New.
 763         (graphite-scop-detection.o): Use refined-regions.h.
 764         * graphite-scop-detection.c: Include refined-regions.h
 765         (build_scops): Also build the refined region tree.
 766         * refined-regions.c: New. Adds an algorithm to detect refined
 767         regions.
 768         (print_refined_region): New.
 769         (debug_refined_region): New.
 770         (refined_region_contains_bb_p): New.
 771         (refined_region_contains_region_p): New.
 772         (is_common_df): New.
 773         (struct find_regions_global_data): New.
 774         (is_region): New.
 775         (typedef struct bb_bb_def): New.
 776         (new_bb_bb_def): New.
 777         (bb_bb_map_hash): New.
 778         (eq_bb_bb_map): New.
 779         (find_new_bb): New.
 780         (bb_reg_def): New.
 781         (new_bb_reg_def): New.
 782         (bb_reg_map_hash): New.
 783         (eq_bb_reg_map): New.
 784         (find_new_region): New.
 785         (insert_new_reg): New.
 786         (insert_new_bb): New.
 787         (insert_shortcut): New.
 788         (get_next_postdom): New.
 789         (create_region): New.
 790         (find_regions_with_entry): New.
 791         (find_regions_adc): New.
 792         (find_regions): New.
 793         (get_topmost_parent): New.
 794         (build_regions_tree): New.
 795         (calculate_region_tree): New.
 796         (free_region_tree): New.
 797         * refined-regions.h: New.
 798         (struct refined_region): New.
 799         (calculate_region_tree): New.
 800         (free_region_tree): New.
 801         (refined_region_contains_bb_p): New.
 802         (refined_region_contains_region_p): New.
 803         (print_refined_region): New.
 804         (debug_refined_region): New.
 805
 806 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 807
 808         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 809         size_one_node.
 810
 811 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 812
 813         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 814         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 815
 816 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 819         phi_arg_in_outermost_loop.
 820         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 821         (remove_invariant_phi): Same.
 822
 823 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 824
 825         * graphite-blocking.c
 826         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 827         * graphite-clast-to-gimple.c
 828         (clast_to_gcc_expression): Same.
 829         (precision_for_value): Same.
 830         (precision_for_interval): Same.
 831         (gcc_type_for_interval): Same.
 832         (graphite_create_new_guard): Same.
 833         (compute_bounds_for_level): Same.
 834         (graphite_create_new_loop_guard): Same.
 835         * graphite-interchange.c
 836         (build_linearized_memory_access): Same.
 837         (pdr_stride_in_loop): Same.
 838         (memory_strides_in_loop_1): Same.
 839         (memory_strides_in_loop): Same.
 840         (extend_scattering): Same.
 841         (psct_scattering_dim_for_loop_depth): Same.
 842         (pbb_number_of_iterations): Same.
 843         * graphite-poly.h
 844         (debug_iteration_domains): Same.
 845         * graphite-ppl.c
 846         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 847         (ppl_set_inhomogeneous_gmp): Same.
 848         (ppl_strip_loop): Same.
 849         (ppl_lexico_compare_linear_expressions): Same.
 850         (ppl_read_polyhedron_matrix): Same.
 851         (ppl_max_for_le_pointset): Same.
 852         * graphite-ppl.h
 853         (ppl_read_polyhedron_matrix): Same.
 854         (tree_int_to_gmp): Same.
 855         (gmp_cst_to_tree): Same.
 856         (ppl_set_inhomogeneous): Same.
 857         (ppl_set_inhomogeneous_tree): Same.
 858         (ppl_set_coef): Same.
 859         (ppl_set_coef_tree): Same.
 860         * graphite-sese-to-poly.c
 861         (build_pbb_scattering_polyhedrons): Same.
 862         (build_scop_scattering): Same.
 863         (scan_tree_for_params_right_scev): Same.
 864         (scan_tree_for_params): Same.
 865         (find_params_in_bb): Same.
 866         (find_scop_parameters): Same.
 867         (add_upper_bounds_from_estimated_nit): Same.
 868         (build_loop_iteration_domains): Same.
 869         (add_condition_to_domain): Same.
 870         (pdr_add_memory_accesses): Same.
 871
 872 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 873
 874         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 875         CLooG's value_* macros to their respective mpz_* counterparts.
 876         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 877         (graphite_create_new_loop_guard): Same.
 878         * graphite-interchange.c (build_linearized_memory_access): Same.
 879         (pdr_stride_in_loop): Same.
 880         (memory_strides_in_loop_1): Same.
 881         (1st_interchange_profitable_p): Same.
 882         * graphite-poly.c (extend_scattering): Same.
 883         (psct_scattering_dim_for_loop_depth): Same.
 884         (pbb_number_of_iterations): Same.
 885         (pbb_number_of_iterations_at_time): Same.
 886         * graphite-poly.h (new_1st_loop): Same.
 887         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 888         (oppose_constraint): Same.
 889         (insert_constraint_into_matrix): Same.
 890         (ppl_set_inhomogeneous_gmp): Same.
 891         (ppl_set_coef_gmp): Same.
 892         (ppl_strip_loop): Same.
 893         (ppl_lexico_compare_linear_expressions): Same.
 894         (ppl_max_for_le_pointset): Same.
 895         (ppl_min_for_le_pointset): Same.
 896         (ppl_build_realtion): Same.
 897         * graphite-ppl.h (gmp_cst_to_tree): Same.
 898         (ppl_set_inhomogeneous): Same.
 899         (ppl_set_inhomogeneous_tree): Same.
 900         (ppl_set_coef): Same.
 901         (ppl_set_coef_tree): Same.
 902         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 903         (build_scop_scattering): Same.
 904         (add_value_to_dim): Same.
 905         (scan_tree_for_params_right_scev): Same.
 906         (scan_tree_for_params_int): Same.
 907         (scan_tree_for_params): Same.
 908         (find_params_in_bb): Same.
 909         (find_scop_parameters): Same.
 910         (add_upper_bounds_from_estimated_nit): Same.
 911         (build_loop_iteration_domains): Same.
 912         (create_linear_expr_from_tree): Same.
 913         (add_condition_to_domain): Same.
 914         (pdr_add_memory_accesses): Same.
 915
 916 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         PR middle-end/43519
 919         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 920         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 921         When converting an unsigned type to signed, double its precision.
 922         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 923         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 924         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 925
 926 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 927
 928         PR middle-end/43519
 929         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 930         build_nonstandard_integer_type.
 931         (gcc_type_for_interval): Same.
 932
 933 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         PR middle-end/43519
 936         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 937         POINTER_PLUS_EXPR for pointer types.
 938
 939         * gcc.dg/graphite/id-19.c: New.
 940
 941 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 942
 943         PR middle-end/43519
 944         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 945         * graphite-clast-to-gimple.c: Include langhooks.h.
 946         (max_signed_precision_type): New.
 947         (max_precision_type): Takes two types as arguments.
 948         (precision_for_value): New.
 949         (precision_for_interval): New.
 950         (gcc_type_for_interval): New.
 951         (gcc_type_for_value): New.
 952         (gcc_type_for_clast_term): New.
 953         (gcc_type_for_clast_red): New.
 954         (gcc_type_for_clast_bin): New.
 955         (gcc_type_for_clast_expr): Split up into several functions.
 956         (gcc_type_for_clast_eq): Rewritten.
 957         (compute_bounds_for_level): New.
 958         (compute_type_for_level_1): New.
 959         (compute_type_for_level): New.
 960         (gcc_type_for_cloog_iv): Removed.
 961         (gcc_type_for_iv_of_clast_loop): Rewritten.
 962         (graphite_create_new_loop): Compute the lower and upper bound types
 963         with gcc_type_for_clast_expr.
 964         (graphite_create_new_loop_guard): Same.
 965         (find_cloog_iv_in_expr): Removed.
 966         (compute_cloog_iv_types_1): Removed.
 967         (compute_cloog_iv_types): Removed.
 968         (gloog): Do not call compute_cloog_iv_types.
 969         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 970         GBB_CLOOG_IV_TYPES.
 971         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 972         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 973         (GBB_CLOOG_IV_TYPES): Removed.
 974
 975         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 976
 977 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 978
 979         Reverted this commit: as at this point the loop closed SSA form
 980         is under a canonical form respecting the single argument condition.
 981         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 982         close phi nodes may have more than one argument.
 983
 984 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 987         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 988         (detect_commutative_reduction): Same.
 989
 990 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 991
 992         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 993         close phi nodes may have more than one argument.
 994
 995 2010-03-30  Richard Guenther  <rguenther@suse.de>
 996             Zdenek Dvorak  <ook@ucw.cz>
 997             Sebastian Pop  <sebastian.pop@amd.com>
 998
 999         PR middle-end/43464
1000         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1001         with multiple arguments.
1002         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1003
1004 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         * graphite-dependences.c (print_pddr): Call print_pdr with an
1007         extra argument.
1008         * graphite-poly.c (debug_pdr): Add an extra argument for the
1009         verbosity level.
1010         (print_pdr): Same.
1011         (print_pbb_domain): Same.
1012         (print_pbb): Same.
1013         (print_scop_context): Same.
1014         (print_scop): Same.
1015         (print_cloog): Same.
1016         (debug_pbb_domain): Same.
1017         (debug_pbb): Same.
1018         (print_pdrs): Same.
1019         (debug_pdrs): Same.
1020         (debug_scop_context): Same.
1021         (debug_scop): Same.
1022         (debug_cloog): Same.
1023         (print_scop_params): Same.
1024         (debug_scop_params): Same.
1025         (print_iteration_domain): Same.
1026         (print_iteration_domains): Same.
1027         (debug_iteration_domain): Same.
1028         (debug_iteration_domains): Same.
1029         (print_scattering_function): Same.
1030         (print_scattering_functions): Same.
1031         (debug_scattering_function): Same.
1032         (debug_scattering_functions): Same.
1033         * graphite-poly.h (debug_pdr): Update declaration.
1034         (print_pdr): Same.
1035         (print_pbb_domain): Same.
1036         (print_pbb): Same.
1037         (print_scop_context): Same.
1038         (print_scop): Same.
1039         (print_cloog): Same.
1040         (debug_pbb_domain): Same.
1041         (debug_pbb): Same.
1042         (print_pdrs): Same.
1043         (debug_pdrs): Same.
1044         (debug_scop_context): Same.
1045         (debug_scop): Same.
1046         (debug_cloog): Same.
1047         (print_scop_params): Same.
1048         (debug_scop_params): Same.
1049         (print_iteration_domain): Same.
1050         (print_iteration_domains): Same.
1051         (debug_iteration_domain): Same.
1052         (debug_iteration_domains): Same.
1053         (print_scattering_function): Same.
1054         (print_scattering_functions): Same.
1055         (debug_scattering_function): Same.
1056         (debug_scattering_functions): Same.
1057
1058 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         * graphite-poly.c (print_scattering_function_1): New.
1061         (print_scattering_function): Call it.
1062         (print_scop_params): Remove spaces at the end of lines.
1063         (print_cloog): New.
1064         (debug_cloog): New.
1065         * graphite-poly.h (print_cloog): Declared.
1066         (debug_cloog): Declared.
1067
1068 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1069
1070         * tree-ssa-copy.c: Revert this previous change:
1071         (init_copy_prop): Loop closed phi nodes cancontain more than one
1072         argument.
1073         (execute_copy_prop): Revert the previous change: do not call
1074         rewrite_into_loop_closed_ssa.
1075
1076 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1077             Richard Guenther  <rguenther@suse.de>
1078
1079         PR middle-end/43464
1080         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1081         contain more than one argument.
1082         (execute_copy_prop): Revert the previous change: do not call
1083         rewrite_into_loop_closed_ssa.
1084
1085         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1086         * gcc.dg/graphite/id-pr43464-1.c: New.
1087
1088 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         PR middle-end/43464
1091         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1092         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1093
1094         * gcc.dg/graphite/id-pr43464.c: New.
1095
1096 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1099         in loop->header.
1100         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1101         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1102         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1103         to switch between adding the IV bump in loop->latch or in loop->header.
1104
1105 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * passes.c (init_optimization_passes): Add pass_copy_prop
1108         after Graphite.
1109
1110 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         * graphite-poly.c (print_scattering_function): Pretty print following
1113         the scoplib format.
1114         (print_pdr): Same.
1115         (print_pbb_domain): Same.
1116         (dump_gbb_cases): Same.
1117         (dump_gbb_conditions): Same.
1118         (print_pdrs): Same.
1119         (print_pbb): Same.
1120         (print_scop_params): Same.
1121         (print_scop_context): Same.
1122         (print_scop): Same.
1123         (print_pbb_body): New.
1124         (lst_indent_to): New.
1125         (print_lst): Start new lines with a #.
1126         * graphite-poly.h (pbb_bb): New.
1127         (pbb_index): Use pbb_bb.
1128         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1129         disjuncts.
1130         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1131
1132 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1133
1134         PR middle-end/43351
1135         * gcc.dg/graphite/id-pr43351.c
1136
1137 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         PR middle-end/43354
1140         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1141         call insert_out_of_ssa_copy for default definitions.
1142         * gfortran.dg/graphite/id-pr43354.f: New.
1143
1144 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         PR middle-end/43349
1147         * gfortran.dg/graphite/pr43349.f: New.
1148
1149 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1150
1151         * graphite-clast-to-gimple.c (my_long_long): Defined.
1152         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1153         * graphite-sese-to-poly.c (my_long_long): Defined.
1154         (scop_ivs_can_be_represented): Use it.
1155
1156 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1159         graphite-max-bbs-per-function, and loop-block-tile-size.
1160         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1161         with "maximum".
1162         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1163
1164 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1165
1166         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1167         forward declaration.
1168         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1169         (add_upper_bounds_from_estimated_nit): New.
1170         (build_loop_iteration_domains): Use it.
1171
1172 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1175
1176 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1177
1178         PR middle-end/43306
1179         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1180         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1181         * gcc.dg/graphite/pr43306.c: New.
1182
1183 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * graphite.c (graphite_initialize): To bound the number of bbs per
1186         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1187         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1188         * doc/invoke.texi: Document it.
1189
1190 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1193         * graphite-sese-to-poly.h (build_poly_scop): Same.
1194
1195 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1198         the number of parameters in the scop.  Use as an upper bound
1199         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1200         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1201         * doc/invoke.texi: Document it.
1202
1203 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * graphite-sese-to-poly.c (add_param_constraints): Use
1206         lower_bound_in_type and upper_bound_in_type.
1207
1208 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1211         instead of unsigned_type_node.
1212
1213 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1214             Reza Yazdani  <reza.yazdani@amd.com>
1215
1216         PR middle-end/43065
1217         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1218         on pointer type parameters.
1219
1220         * gcc.dg/graphite/run-id-4.c: New.
1221
1222 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1223
1224         PR middle-end/43065
1225         * gcc.dg/graphite/run-id-3.c: New.
1226
1227 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1228             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1229
1230         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1231         handle conversions from pointer to integers.
1232         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1233         induction variable, to be able to work with code generated by CLooG.
1234         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1235         (build_poly_scop): Bail out if we cannot codegen a loop.
1236
1237 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1238
1239         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1240         code generation with gloog_error.
1241
1242 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1243
1244         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1245         Call fold_convert on all the returned values.
1246         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1247         the type of the resulting expression.
1248
1249 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1252         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1253         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1254
1255 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1256
1257         * graphite-dependences.c (map_into_dep_poly): Removed.
1258         (dependence_polyhedron_1): Use combine_context_id_scat.
1259
1260 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1261
1262         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1263         (struct poly_bb): Same.
1264         (combine_context_id_scat): New.
1265
1266 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1267
1268         PR middle-end/42326
1269         * sese.c (name_defined_in_loop_p): Return false for default
1270         definitions.
1271
1272         * gcc.dg/graphite/pr42326.c: New.
1273
1274 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1277         and clean up the logic.
1278
1279 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1282         early return.
1283
1284 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         PR middle-end/43083
1287         * graphite-scop-detection.c (create_single_exit_edge): Move
1288         the call to find_single_exit_edge to....
1289         (create_sese_edges): ...here.  Don't handle multiple edges
1290         exiting the function.
1291         (build_graphite_scops): Don't handle multiple edges
1292         exiting the function.
1293
1294         * gcc.dg/graphite/pr43083.c: New.
1295
1296 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         PR middle-end/43097
1299         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1300         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1301
1302         * gfortran.dg/graphite/pr43097.f: New.
1303
1304 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         PR middle-end/43083
1307         * graphite-scop-detection.c (create_single_exit_edge): Move
1308         the call to find_single_exit_edge to....
1309         (create_sese_edges): ...here.  Don't handle multiple edges
1310         exiting the function.
1311         (build_graphite_scops): Don't handle multiple edges
1312         exiting the function.
1313
1314         * gcc.dg/graphite/pr43083.c: New.
1315
1316 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         PR middle-end/43097
1319         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1320         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1321
1322         * gfortran.dg/graphite/pr43097.f: New.
1323
1324 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1325             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1326
1327         PR middle-end/43140
1328         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1329
1330 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1331
1332         PR middle-end/43026
1333         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1334
1335         * g++.dg/graphite/pr43026.C: New.
1336
1337 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1338
1339         * Merge from mainline (154736:156693).
1340
1341 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1342
1343         PR middle-end/43026
1344         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1345
1346         * g++.dg/graphite/pr43026.C: New.
1347
1348 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1349
1350         * Merge from mainline (154736:156693).
1351
1352 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         PR middle-end/43012
1355         * gcc.dg/graphite/pr43012.c: New.
1356
1357 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1358
1359         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1360
1361 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * g++.dg/graphite/pr42930.C: New.
1364
1365 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367        * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1368
1369 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1370
1371         * g++.dg/graphite/pr42930.C: New.
1372
1373 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1374
1375         PR middle-end/42930
1376         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1377         graphite_can_represent_init for MULT_EXPR.
1378
1379 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         PR middle-end/42914
1382         PR middle-end/42530
1383         * graphite-sese-to-poly.c (remove_phi): New.
1384         (translate_scalar_reduction_to_array): Call remove_phi.
1385
1386         * gcc.dg/graphite/pr42530.c: New.
1387         * gcc.dg/graphite/pr42914.c: New.
1388
1389 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1390
1391         PR middle-end/42930
1392         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1393         graphite_can_represent_init for MULT_EXPR.
1394
1395 2010-02-10  Sebastian Pop  <seb@napoca>
1396
1397         PR middle-end/42914
1398         PR middle-end/42530
1399         * graphite-sese-to-poly.c (remove_phi): New.
1400         (translate_scalar_reduction_to_array): Call remove_phi.
1401
1402         * gcc.dg/graphite/pr42530.c: New.
1403         * gcc.dg/graphite/pr42914.c: New.
1404
1405 2010-02-10  Sebastian Pop  <seb@napoca>
1406
1407         PR middle-end/42771
1408         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1409         * graphite-clast-to-gimple.h (gloog): Update declaration.
1410         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1411         * graphite-poly.h (struct poly_bb): Add missing comments.
1412         (struct scop): Add poly_scop_p field.
1413         (POLY_SCOP_P): New.
1414         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1415         * graphite.c (graphite_transform_loops): Build the polyhedral
1416         representation for each scop before code generation.
1417         * sese.c (rename_variables_in_operand): Removed.
1418         (rename_variables_in_expr): Return the renamed expression.
1419         (rename_sese_parameters): New.
1420         * sese.h (rename_sese_parameters): Declared.
1421
1422         * gcc.dg/graphite/pr42771.c: New.
1423
1424 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1425
1426         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1427         return 0 from main.
1428         * gcc.dg/graphite/block-1.c: Same.
1429         * gcc.dg/graphite/block-3.c: Same.
1430         * gcc.dg/graphite/block-4.c: Same.
1431         * gcc.dg/graphite/block-5.c: Same.
1432         * gcc.dg/graphite/block-6.c: Same.
1433         * gcc.dg/graphite/block-7.c: Same.
1434         * gcc.dg/graphite/interchange-0.c: Same.
1435         * gcc.dg/graphite/interchange-1.c: Same.
1436         * gcc.dg/graphite/interchange-10.c: Same.
1437         * gcc.dg/graphite/interchange-11.c: Same.
1438         * gcc.dg/graphite/interchange-12.c: Same.
1439         * gcc.dg/graphite/interchange-2.c: Same.
1440         * gcc.dg/graphite/interchange-3.c: Same.
1441         * gcc.dg/graphite/interchange-4.c: Same.
1442         * gcc.dg/graphite/interchange-5.c: Same.
1443         * gcc.dg/graphite/interchange-6.c: Same.
1444         * gcc.dg/graphite/interchange-7.c: Same.
1445         * gcc.dg/graphite/interchange-8.c: Same.
1446         * gcc.dg/graphite/interchange-9.c: Same.
1447         * gcc.dg/graphite/interchange-mvt.c: Same.
1448
1449 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * gfortran.dg/graphite/id-19.f: New.
1452         * gfortran.dg/graphite/pr14741.f90: New.
1453         * gfortran.dg/graphite/pr41924.f90: New.
1454         * gfortran.dg/graphite/run-id-2.f90: New.
1455
1456 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1457
1458         PR middle-end/42988
1459         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1460         to unknown_dependence.
1461         (graphite_legal_transform_dr): Handle the unknown_dependence.
1462         (graphite_carried_dependence_level_k): Same.
1463
1464 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1467         return 0 from main.
1468         * gcc.dg/graphite/block-1.c: Same.
1469         * gcc.dg/graphite/block-3.c: Same.
1470         * gcc.dg/graphite/block-4.c: Same.
1471         * gcc.dg/graphite/block-5.c: Same.
1472         * gcc.dg/graphite/block-6.c: Same.
1473         * gcc.dg/graphite/block-7.c: Same.
1474         * gcc.dg/graphite/interchange-0.c: Same.
1475         * gcc.dg/graphite/interchange-1.c: Same.
1476         * gcc.dg/graphite/interchange-10.c: Same.
1477         * gcc.dg/graphite/interchange-11.c: Same.
1478         * gcc.dg/graphite/interchange-12.c: Same.
1479         * gcc.dg/graphite/interchange-2.c: Same.
1480         * gcc.dg/graphite/interchange-3.c: Same.
1481         * gcc.dg/graphite/interchange-4.c: Same.
1482         * gcc.dg/graphite/interchange-5.c: Same.
1483         * gcc.dg/graphite/interchange-6.c: Same.
1484         * gcc.dg/graphite/interchange-7.c: Same.
1485         * gcc.dg/graphite/interchange-8.c: Same.
1486         * gcc.dg/graphite/interchange-9.c: Same.
1487         * gcc.dg/graphite/interchange-mvt.c: Same.
1488
1489 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * gfortran.dg/graphite/id-19.f: New.
1492         * gfortran.dg/graphite/pr14741.f90: New.
1493         * gfortran.dg/graphite/pr41924.f90: New.
1494         * gfortran.dg/graphite/run-id-2.f90: New.
1495
1496 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1497
1498         PR middle-end/42988
1499         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1500         to unknown_dependence.
1501         (graphite_legal_transform_dr): Handle the unknown_dependence.
1502         (graphite_carried_dependence_level_k): Same.
1503
1504 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1505
1506         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1507
1508 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1509             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1510
1511         PR middle-end/42637
1512         * graphite-dependences.c (build_lexicographical_constraint): Return
1513         a union of dependence polyhedra.
1514         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1515
1516         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1517         * gcc.dg/graphite/block-4.c: Same.
1518         * gcc.dg/graphite/block-7.c: Same.
1519         * gcc.dg/graphite/interchange-12.c: Same.
1520         * gcc.dg/graphite/interchange-mvt.c: Same.
1521         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1522         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1523         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1524
1525 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1526
1527         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1528         the execution check to FAIL.  This testcase is miscompiled by Graphite
1529         and the check should be re-enabled.
1530         * gcc.dg/graphite/interchange-mvt.c: Same.
1531         * gcc.dg/graphite/block-0.c: Same.
1532         * gcc.dg/graphite/block-4.c: Same.
1533         * gcc.dg/graphite/block-7.c: Same.
1534
1535 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1536
1537         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1538         * gcc.dg/graphite/scop-0.c: Fix spaces.
1539         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1540         * gfortran.dg/graphite/block-2.f: Same.
1541         * gfortran.dg/graphite/block-3.f90: Same.
1542         * gfortran.dg/graphite/block-4.f90: Same.
1543         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1544         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1545
1546 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1549         PDDR_ORIGINAL_SCATTERING_P.
1550         (pddr_is_empty): Rewritten.
1551         (print_dependence_polyhedron_layout): New.
1552         (print_pddr): New.
1553         (debug_pddr): New.
1554         (build_alias_set_powerset): Moved up.
1555         (poly_drs_may_alias_p): Moved up.
1556         (lexicographically_gt_p): Removed.
1557         (build_lexicographically_gt_constraint): Renamed
1558         build_lexicographical_constraint, reimplemented.
1559         (dependence_polyhedron_1): Simplified parameters.
1560         (dependence_polyhedron): Same.  Keep along empty PDDRs
1561         to make efficient use of the cache.
1562         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1563         (graphite_legal_transform_dr): Rewritten.
1564         (graphite_legal_transform_bb): Pass fewer arguments to
1565         graphite_legal_transform_dr.
1566         (graphite_carried_dependence_level_k): Simplified implementation.
1567         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1568         (dot_transformed_deps_stmt_1): Same.
1569         (dot_original_deps): Same.
1570         (dot_transformed_deps): Same.
1571         * graphite-dependences.h (struct poly_ddr): Added a new field
1572         original_scattering_p.
1573         (PDDR_ORIGINAL_SCATTERING_P): New.
1574         (print_pddr): Declared.
1575         (debug_pddr): Declared.
1576         * graphite-ppl.c: Clarify comment.
1577         * sese.h (print_gimple_bb): Removed unused declaration.
1578         (debug_gbb): Same.
1579
1580 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * g++.dg/graphite/graphite.exp: Rewritten.
1583         * gcc.dg/graphite/graphite.exp: Rewritten.
1584         * gfortran.dg/graphite/graphite.exp: Rewritten.
1585         * gcc.dg/graphite/block-0.c: Added runtime test.
1586         * gcc.dg/graphite/block-1.c: Same.
1587         * gcc.dg/graphite/block-3.c: Same.
1588         * gcc.dg/graphite/block-4.c: Same.
1589         * gcc.dg/graphite/block-5.c: Same.
1590         * gcc.dg/graphite/block-6.c: Same.
1591         * gcc.dg/graphite/block-7.c: Same.
1592         * gcc.dg/graphite/interchange-0.c: Same.
1593         * gcc.dg/graphite/interchange-1.c: Same.
1594         * gcc.dg/graphite/interchange-10.c: Same.
1595         * gcc.dg/graphite/interchange-11.c: Same.
1596         * gcc.dg/graphite/interchange-12.c: Same.
1597         * gcc.dg/graphite/interchange-2.c: Same.
1598         * gcc.dg/graphite/interchange-3.c: Same.
1599         * gcc.dg/graphite/interchange-4.c: Same.
1600         * gcc.dg/graphite/interchange-5.c: Same.
1601         * gcc.dg/graphite/interchange-6.c: Same.
1602         * gcc.dg/graphite/interchange-7.c: Same.
1603         * gcc.dg/graphite/interchange-8.c: Same.
1604         * gcc.dg/graphite/interchange-9.c: Same.
1605         * gcc.dg/graphite/interchange-mvt.c: Same.
1606         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1607
1608 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1609
1610         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1611           background.
1612
1613 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1614
1615         * common.opt: Add -fgraphite-cloog-opts.
1616         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1617         * opts.c (decode_options): Same.
1618
1619 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1620
1621         * gcc.dg/graphite/id-17.c: New.
1622         * gcc.dg/graphite/pr41888.c: New.
1623         * gcc.dg/graphite/scop-22.c: New.
1624         * gfortran.dg/graphite/pr40982.f90: New.
1625
1626 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * testsuite/gcc.dg/graphite/id-17.c: New.
1629         * testsuite/gcc.dg/graphite/pr41888.c: New.
1630         * testsuite/gcc.dg/graphite/scop-22.c: New.
1631         * testsuite/gfortran.dg/graphite/pr40982.f90: New.
1632
1633 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * graphite-dependences.c: Clarify comments.
1636         (build_pddr): Add an extra parameter direction.
1637         (graphite_legal_transform_dr): Use build_pddr.
1638         (dot_original_deps_stmt_1): Update use of build_pddr.
1639         (dot_transformed_deps_stmt_1): Same.
1640         (dot_original_deps): Same.
1641         (dot_transformed_deps): Same.
1642
1643         * gcc.dg/graphite/interchange-12.c: New.
1644         * gcc.dg/graphite/block-7.c: New.
1645
1646 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1649         (pddr_transformed_scattering): Removed.
1650         (graphite_legal_transform_dr): Use build_pddr.
1651         (dot_original_deps_stmt_1): Same.
1652         (dot_transformed_deps_stmt_1): Same.
1653         (dot_original_deps): Same.
1654         (dot_transformed_deps): Same.
1655
1656 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1657
1658         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1659         (build_lexicographically_gt_constraint): Same.
1660         (dependence_polyhedron_1): Same.
1661         (dependence_polyhedron): Same.
1662
1663 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1666         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1667         (lexicographically_gt_p): Change type of direction to int.
1668         (build_lexicographically_gt_constraint): Same.
1669         (dependence_polyhedron_1): Same.
1670         (dependence_polyhedron): Same.
1671         (pddr_original_scattering): Use integers for direction.
1672         (pddr_transformed_scattering): Same.
1673         (graphite_legal_transform_dr): Same.
1674         (graphite_carried_dependence_level_k): Same.
1675
1676 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1677
1678         * graphite-dependences.c (build_pairwise_constraint): Renamed
1679         ppl_build_relation.  Moved...
1680         (dr_equality_constraints): Use ppl_build_relation.
1681         (build_pairwise_scheduling_equality): Same.
1682         (build_pairwise_scheduling_inequality): Same.
1683         * graphite-ppl.c (ppl_build_relation): ...here.
1684         * graphite-ppl.h (ppl_build_relation): Declared.
1685
1686 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         PR middle-end/42681
1689         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1690         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1691         Set gloog_error when such an expression failed to be built.
1692         (translate_clast): Early return when gloog_error is set.
1693         (gloog): Clear gloog_error.  When gloog_error is set, call
1694         set_ifsese_condition to enable the original code.  Return the status
1695         of the code generation based on gloog_error.
1696         * sese.c (set_ifsese_condition): New.
1697         * sese.h (set_ifsese_condition): Declared.
1698
1699         * g++.dg/graphite/pr42681.C: New.
1700
1701 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         PR middle-end/42681
1704         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1705         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1706         Set gloog_error when such an expression failed to be built.
1707         (translate_clast): Early return when gloog_error is set.
1708         (gloog): Clear gloog_error.  When gloog_error is set, call
1709         set_ifsese_condition to enable the original code.  Return the status
1710         of the code generation based on gloog_error.
1711         * sese.c (set_ifsese_condition): New.
1712         * sese.h (set_ifsese_condition): Declared.
1713
1714         * testsuite/g++.dg/graphite/pr42681.C: New.
1715
1716 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1717
1718         PR middle-end/42732
1719         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1720         rename_nb_iterations.
1721         * sese.c (rename_variables_in_operand): New.
1722         (rename_variables_in_expr): New.
1723         (rename_nb_iterations): New.
1724         (sese_adjust_liveout_phis): Update the rename_map.
1725         * sese.h (rename_nb_iterations): Declared.
1726         * tree-scalar-evolution.c (scev_reset_htab): New.
1727         (scev_reset): Call scev_reset_htab.
1728         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1729
1730         * gfortran.dg/graphite/pr42732.f: New.
1731
1732 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1733
1734         PR middle-end/42393
1735         * graphite-clast-to-gimple.c: Fix formatting.
1736         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1737         (expr_defined_in_loop_p): New.
1738         (add_loop_exit_phis): Also handle full expressions: remove from
1739         the rename_map the expressions defined in the loop that we're closing.
1740
1741         * gfortran.dg/graphite/pr42393-1.f90: New.
1742         * gfortran.dg/graphite/pr42393.f90: Add new flags
1743         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1744         make this testcase useful in the Graphite branch.
1745
1746 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         PR middle-end/42393
1749         * graphite-clast-to-gimple.c: Fix formatting.
1750         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1751         (expr_defined_in_loop_p): New.
1752         (add_loop_exit_phis): Also handle full expressions: remove from
1753         the rename_map the expressions defined in the loop that we're closing.
1754
1755         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
1756         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
1757         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1758         make this testcase useful in the Graphite branch.
1759
1760 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-scop-detection.c (exclude_component_ref): Removed.
1763         (is_simple_operand): Removed.
1764         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1765
1766 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         PR middle-end/42221
1769         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1770         the array indexing of ADDR_EXPRs.
1771
1772         * gcc.dg/graphite/pr42221.c: New.
1773
1774 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         PR middle-end/42221
1777         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1778         the array indexing of ADDR_EXPRs.
1779
1780         * testsuite/gcc.dg/graphite/pr42221.c: New.
1781
1782 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         PR middle-end/42521
1785         * graphite.c (graphite_finalize): Call scev_reset.
1786         (graphite_transform_loops): Do not call scev_reset between the code
1787         generation of scops.
1788
1789         * gcc.dg/graphite/pr42521.c: New.
1790
1791 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1792
1793         * graphite-interchange.c (memory_stride_in_loop): Renamed
1794         pdr_stride_in_loop.
1795         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1796         (memory_strides_in_loop): Memoize the memory strides per loop.
1797         (lst_interchange_profitable_p): Do not initialize to zero the memory
1798         strides.
1799         * graphite-poly.h (struct lst): Add a field memory_strides.
1800         (LST_LOOP_MEMORY_STRIDES): New.
1801         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1802         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1803
1804 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1805
1806         * graphite-interchange.c (memory_stride_in_loop): Renamed
1807         pdr_stride_in_loop.
1808         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1809         (memory_strides_in_loop): Memoize the memory strides per loop.
1810         (lst_interchange_profitable_p): Do not initialize to zero the memory
1811         strides.
1812         * graphite-poly.h (struct lst): Add a field memory_strides.
1813         (LST_LOOP_MEMORY_STRIDES): New.
1814         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1815         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1816
1817 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1820         memory_strides_in_loop.  Gather memory strides on a whole loop.
1821         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1822         (lst_interchange_profitable_p): Removed.
1823         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1824
1825 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1828         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1829         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1830         Remove context_loop and level.
1831
1832 2010-01-07  Richard Guenther  <rguenther@suse.de>
1833
1834         PR tree-optimization/42641
1835         * sese.c (rename_map_elt_info): Use the SSA name version, do
1836         not hash pointers.
1837
1838 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1839
1840         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1841         blocked" only when both the strip mine and the interchange have
1842         been applied.
1843
1844         * gcc.dg/graphite/block-2.c: Removed.
1845         * gcc.dg/graphite/block-3.c: Add scan pattern.
1846         * gcc.dg/graphite/block-4.c: Same.
1847         * gcc.dg/graphite/block-5.c: Same.
1848         * gcc.dg/graphite/block-6.c: Same.
1849
1850 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1853         before allocating a new one.
1854         (copy_renames): Check that slot is not NULL.
1855         (mark_bb_with_pbb): Same.
1856         (compute_cloog_iv_types_1): Same.
1857         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1858         nest, and after LSTs.
1859         (lst_try_interchange_loops): Same.
1860
1861 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1862
1863         PR middle-end/42178
1864         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1865         the before, nest, and after LSTs.
1866         (lst_try_interchange): Removed.
1867         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1868         were modified.
1869         (lst_interchange_select_outer): Apply interchange on the outer loop
1870         until there are no more changes in the inner loops.
1871
1872 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         Revert patch fixing PR middle-end/42221.
1875
1876 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1877
1878         PR middle-end/42180
1879         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1880         GIMPLE_CALL.
1881
1882         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1883
1884 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         PR middle-end/42180
1887         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1888         that contain only one statement.
1889
1890         * gfortran.dg/graphite/pr42180.f90: New.
1891
1892 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1893
1894         PR middle-end/42393
1895         * gfortran.dg/graphite/pr42393.f90: New.
1896
1897 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         PR middle-end/42186
1900         * gfortran.dg/graphite/pr42186.f90: New.
1901
1902 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1903
1904         PR middle-end/42186
1905         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
1906
1907 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         PR middle-end/42205
1910         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1911         Insert the reduction copy in the same block as the phi node.
1912         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1913
1914         * gcc.dg/graphite/pr42205-1.c: New.
1915         * gcc.dg/graphite/pr42205-2.c: New.
1916
1917 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1918
1919         PR middle-end/42221
1920         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1921         the array indexing of ADDR_EXPRs.
1922
1923         * gcc.dg/graphite/pr42221.c: New.
1924
1925 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1926
1927         PR middle-end/42178
1928         PR middle-end/42334
1929         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1930         index.  Call lst_interchange_select_inner only once.
1931         (lst_interchange_select_inner): Update use of lst_try_interchange.
1932         (lst_interchange_select_outer): Update.
1933
1934 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         PR middle-end/42178
1937         PR middle-end/42334
1938         * graphite-interchange.c (lst_try_interchange): Do not increment the
1939         the OUTER index when there is no AFTER kernel.  Do not increment the
1940         OUTER index for after processing the AFTER kernel.
1941         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1942         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1943         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1944         (scop_do_interchange): Update use of lst_interchange_select_outer.
1945
1946         * gfortran.dg/graphite/graphite.exp
1947         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1948         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1949         the graphite dump file.
1950         * gfortran.dg/graphite/interchange-2.f: Same.
1951         * gfortran.dg/graphite/pr42334-1.f: New.
1952
1953 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1954
1955         PR middle-end/42178
1956         PR middle-end/42334
1957         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1958         that are empty.
1959         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1960         (lst_try_interchange): Reimplemented.
1961         (lst_interchange_select_inner): Same.
1962         (lst_do_interchange): Renamed lst_interchange_select_outer.
1963         Reimplemented.
1964         (scop_do_interchange): Update use of lst_interchange_select_outer.
1965
1966         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1967         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1968         * gcc.dg/graphite/pr42211.c: New.
1969         * gfortran.dg/graphite/pr42334.f90: New.
1970
1971 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973         PR middle-end/42181
1974         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1975         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1976
1977         * gfortran.dg/graphite/pr42181.f90: New.
1978
1979 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1980
1981         PR middle-end/42284
1982         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1983         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1984         (detect_commutative_reduction_arg): Simplified.
1985         (detect_commutative_reduction): Early return when the argument of
1986         the close phi is not of an SSA_NAME.
1987
1988         * gcc.dg/graphite/pr42284.c: New.
1989
1990 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1991
1992         * dbgcnt.def (graphite_scop): New counter.
1993         * graphite.c: Include dbgcnt.h
1994         (graphite_transform_loops): Use new counter to limit transformations.
1995
1996 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1997
1998         PR middle-end/42285
1999         * graphite-scop-detection.c (graphite_can_represent_init): Also
2000         handle more complex MULT_EXPRs containing parameters by recursion
2001         on the structure.
2002
2003         * gfortran.dg/graphite/pr42285.f90: New.
2004
2005 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2006
2007         * g++.dg/graphite/pr42130.C: Fix type.
2008
2009 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2010
2011         * g++.dg/graphite/pr42130.C: Correct testcase.
2012
2013 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2014
2015         * Merge from mainline (154493:154734).
2016
2017 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2018
2019         * Merge from mainline (151362:154491).
2020
2021 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2022
2023         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2024         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2025
2026 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2027
2028         PR middle-end/42130
2029         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2030         translate_clast_for_loop): New.
2031         (translate_clast_for): Add a condition around the loop, to do not
2032         execute loops with zero iterations.
2033         * g++.dg/graphite/pr42130.C: New.
2034         * gcc.dg/graphite/pr35356-2.c: Adapt.
2035
2036 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2037
2038         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2039         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2040         Remove context_loop and level.
2041
2042 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2043
2044         * graphite-clast-to-gimple.c (translate_clast_user,
2045         translate_clast_for, translate_clast_guard): Simplify and move common
2046         elements to translate_clast().
2047         (translate_clast): Simplify and get common elements.
2048
2049 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2050
2051         * graphite-clast-to-gimple.c (translate_clast_user,
2052         translate_clast_for, translate_clast_guard): Split out of
2053         translate_clast.
2054
2055 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2056
2057         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2058         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2059         debug_clast_name_indexes_1, debug_clast_name_indexes,
2060         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2061         (clast_name_to_gcc, clast_to_gcc_expression,
2062         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2063         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2064         graphite_create_guard_cond_expr, graphite_create_new_loop,
2065         translate_clast): Add params_index.
2066         (initialize_cloog_names): Create parameter strings from scratch, do
2067         not reference other strings.
2068         (create_params_index): New.
2069         (gloog): Initialize params_index.
2070         * graphite-scop-detection (free_scops_1): Removed.
2071         (limit_scops): Use normal free_scops.
2072         * graphite-sese-to-poly.c (save_var_names): Removed.
2073         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2074         and SESE_PARAMS_INDEX.
2075         * sese.c (new_sese, free_sese): Dito.
2076         * sese.h (struct sese): Remove params_index, params_names.
2077         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2078
2079 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2080
2081         Revert the following patch from 2009-09-14:
2082         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2083         tree-scalar-evolution.h, and then tree-data-ref.h.
2084         * graphite-clast-to-gimple.c: Same.
2085         * graphite-dependences.c: Same.
2086         * graphite-interchange.c: Same.
2087         * graphite-poly.c: Same.
2088         * graphite-scop-detection.c: Same.
2089         * graphite-sese-to-poly.c: Same.
2090         * graphite.c: Same.
2091         * lambda-code.c: Same.
2092         * matrix-reorg.c: Same.
2093         * tree-data-ref.c: Same.
2094         * tree-if-conv.c: Same.
2095         * tree-loop-distribu: Same.: Same.
2096         * tree-loop-linear.c: Same.
2097         * tree-parloops.c: Same.
2098         * tree-predcom.c: Same.
2099         * tree-vect-patterns.c: Same.
2100
2101 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         Revert patch from 2009-09-14.
2104         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2105         passes at -O1 and below.
2106
2107 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         PR middle-end/40281
2110         * gcc.dg/graphite/pr40281.c: New.
2111
2112         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2113         evolutions should not variate in inner loops.
2114
2115 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         PR middle-end/42050
2118         * gfortran.dg/graphite/pr42050.f90: New.
2119
2120 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2121
2122         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2123         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2124
2125 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2126
2127         * graphite-blocking.c (scop_do_block): New.
2128         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2129         * graphite-poly.h (scop_do_block): Declared.
2130
2131 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2132
2133         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2134         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2135         to transform depth into the time_depth before calling
2136         pbb_number_of_iterations_at_time.
2137         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2138         lst_depth.
2139
2140 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2141
2142         Reverted the patch for "scattering permutations" from 2009-10-28.
2143
2144         * graphite-poly.c (print_permutation): New.
2145         (debug_permutation): New.
2146         (new_poly_bb): Initialize PBB_PERMUTATION.
2147         (free_poly_bb): Free PBB_PERMUTATION.
2148         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2149         (struct pbb_permutation_elt): New.
2150         (PBB_PERMUTATION_ELT_STRIDE): New.
2151         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2152         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2153         (new_pbb_permutation_elt): New.
2154         (pbb_permutation_elt_free): New.
2155         (struct poly_bb): Add field permutation.
2156         (PBB_PERMUTATION): New.
2157         (print_permutation): Declared.
2158         (debug_permutation): Declared.
2159
2160 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2161
2162         * graphite-interchange.c (build_partial_difference): New.
2163         (memory_stride_in_loop): Refactored the computation of
2164         equality constraints into build_partial_difference function.
2165         Added support for debugging stride computations.
2166
2167 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2168
2169         * graphite-clast-to-gimple.c (gloog): Free if_region,
2170         if_region->true_region, and if_region->region.
2171         * sese.c (if_region_set_false_region): Free if_region->false_region.
2172         (create_if_region_on_edge): Do not use GGC_NEW.
2173         (move_sese_in_condition): Remove useless initialization.
2174
2175 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2176
2177         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2178         for the loops created by the loop distribution.  Do not modify the
2179         input LSTs.
2180         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2181         transformed schedule.  Call lst_update_scattering before data
2182         dependence analysis.
2183         (lst_try_interchange): Pass an extra parameter INDEX.
2184         (lst_do_interchange_1): New.
2185         (lst_do_interchange): Call lst_do_interchange_1.
2186         (scop_do_interchange): Call lst_update_scattering.
2187         * graphite-poly.c (apply_poly_transforms): Do not call
2188         lst_update_scattering.
2189         * graphite-poly.h (lst_pred): New.
2190         (lst_succ): New.
2191         (lst_find_first_pbb): Return NULL when not found.
2192         (lst_empty_p): New.
2193         (lst_insert_in_sequence): Allow LST1 to be NULL.
2194         (lst_replace): New.
2195         (lst_substitute_3): New.
2196         * gcc.dg/graphite/interchange-1.c: XFail.
2197         * gcc.dg/graphite/interchange-8.c: XFail.
2198         * gcc.dg/graphite/interchange-11.c: XFail.
2199
2200 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * graphite-interchange.c (lst_perfectly_nested_p): New.
2203         (lst_perfect_nestify): New.
2204         (lst_try_interchange_loops): Call store_lst_schedule,
2205         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2206         (scop_do_interchange): Avoid redundant legality test.
2207         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2208         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2209         * graphite-poly.h (psct_static_dim): New.
2210         (lst_dewey_number_at_depth): New.
2211         (lst_find_pbb): Restructured.
2212         (lst_find_first_pbb): Restructured.
2213         (lst_find_last_pbb): New.
2214         (lst_contains_p): New.
2215         (lst_contains_pbb): New.
2216         (lst_create_nest): New.
2217         (lst_remove_from_sequence): New.
2218         (pbb_update_scattering): New.
2219         (lst_update_scattering_under): New.
2220         (lst_update_scattering_seq): New.
2221         (lst_update_scattering): New.
2222         (lst_insert_in_sequence): New.
2223         (lst_distribute_lst): New.
2224         (lst_remove_all_before_including_pbb): New.
2225         (lst_remove_all_before_excluding_pbb): New.
2226
2227 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2230         get_loop_exit_edges.
2231
2232 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2235
2236 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2237
2238         * graphite-poly.c (print_permutation): New.
2239         (debug_permutation): New.
2240         (new_poly_bb): Initialize PBB_PERMUTATION.
2241         (free_poly_bb): Free PBB_PERMUTATION.
2242         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2243         (struct pbb_permutation_elt): New.
2244         (PBB_PERMUTATION_ELT_STRIDE): New.
2245         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2246         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2247         (new_pbb_permutation_elt): New.
2248         (pbb_permutation_elt_free): New.
2249         (struct poly_bb): Add field permutation.
2250         (PBB_PERMUTATION): New.
2251         (print_permutation): Declared.
2252         (debug_permutation): Declared.
2253
2254 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * graphite-clast-to-gimple.c (gloog): Do not call
2257         sese_reset_aux_in_loops.
2258         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2259         extra argument for domains.  Do not use loop->aux.
2260         (build_scop_iteration_domain): Initialize and free domains, pass it
2261         to build_loop_iteration_domains and extract the information from
2262         domains.  Do not use loop->aux.
2263         * sese.c (sese_reset_aux_in_loops): Removed.
2264         * sese.h (sese_reset_aux_in_loops): Removed.
2265
2266 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2267
2268         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2269         (dependency_in_loop_p): Same.
2270         (translate_clast): Do not use loop->aux.  Initialize
2271         loop->can_be_parallel.
2272         (mark_loops_parallel): Removed.
2273         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2274         * graphite.c (free_aux_in_new_loops): Removed.
2275         (graphite_finalize): Do not call free_aux_in_new_loops.
2276         (graphite_transform_loops): Do not call mark_loops_parallel.
2277
2278 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2279
2280         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2281         (translate_clast): Pass an extra parameter LEVEL.
2282         Call get_scattering_level.
2283         * graphite-clast-to-gimple.h (get_scattering_level): New.
2284
2285 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2288         * cfgloop.h (struct loop): New field single_iv.
2289
2290         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2291         loop->aux anymore: use loop->single_iv.
2292         (graphite_loop_normal_form): Moved...
2293         (build_graphite_loop_normal_form): Removed.
2294         (gloog): Do not call build_graphite_loop_normal_form.
2295         (free_aux_in_new_loops): Moved...
2296         (mark_loops_parallel): Restructure.
2297         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2298         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2299         (scop_canonicalize_loops): New.
2300         (build_poly_scop): Call scop_canonicalize_loops.
2301         * graphite.c (free_aux_in_new_loops): ...here.
2302
2303 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2304
2305         * g++.dg/graphite/graphite.exp: Add the same rules as in
2306         gcc.dg/graphite/graphite.exp.
2307
2308 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * g++.dg/graphite/id-1.C: New.
2311
2312 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2315         argument base_name.
2316         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2317         (rewrite_phi_out_of_ssa): Same.
2318         (rewrite_cross_bb_scalar_deps): Same.
2319         (translate_scalar_reduction_to_array): Same.
2320
2321 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2322
2323         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2324         dump_alias_graphs.
2325
2326 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2327
2328         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2329         (build_scop_drs): Call dump_alias_graphs.
2330
2331 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2332
2333         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2334         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2335         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2336         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2337         * graphite-poly.h (free_lst): New.
2338         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2339         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2340
2341 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2342
2343         * graphite-poly.h (struct scop): Add a field saved_schedule.
2344         (SCOP_SAVED_SCHEDULE): New.
2345         (store_lst_schedule): New.
2346         (restore_lst_schedule): New.
2347         (store_scattering): Call store_lst_schedule.
2348         (restore_scattering): Call restore_lst_schedule.
2349
2350 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2351
2352         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2353         (pdr_add_alias_set): Same.
2354         (build_poly_dr): Same.
2355         (build_alias_set_optimal_p): Same.
2356         (build_base_obj_set_for_drs): Same.  Do not store the result of
2357         graphds_dfs.
2358
2359 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2360
2361         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2362         all_components_are_cliques to 1.
2363
2364 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2365
2366         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2367         the new structure.
2368         (pdr_add_alias_set): Update retrieving alias_set_num.
2369         (build_poly_dr): Update retrieving dr_base_object_set.
2370         (partition_drs_to_sets): Remove.
2371         (build_alias_set_optimal_p): New.
2372         (build_alias_set_for_drs): Rename.
2373         (build_scop_drs): Update.
2374         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2375         (ALIAS_SET_INDEX): Remove.
2376         (BASE_OBJECT_SET_INDEX): Remove.
2377
2378 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2379
2380         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2381
2382 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2385         loop upper bounds for 1-element arrays at end of structures.
2386         * tree-flow.h (array_at_struct_end_p): Declared.
2387         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2388
2389 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2390
2391         * g++.dg/graphite/pr41305.C: New.
2392
2393 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2394
2395         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2396         construction of parameter constraints from loop iteration analysis.
2397         * gcc.dg/graphite/run-id-2.c: New test.
2398
2399 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2400
2401         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2402         and new_cstr.
2403
2404 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2405
2406         * graphite-dependences.c (dependence_polyhedron_1): Remove
2407         unused gdim dimensions from the DDR polyhedron.
2408
2409 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2410
2411         * graphite-dependences.c (pddr_transformed_scattering): New.
2412         (dot_original_deps_stmt_1): New.
2413         (dot_transformed_deps_stmt_1): New.
2414         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2415         dot_transformed_deps_stmt_1.
2416         (dot_original_deps): New.
2417         (dot_transformed_deps): New.
2418         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2419
2420 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         * graphite-dependences.c (reduction_dr_1): Remove wrong
2423         assert: reduction BBs can have multiple reduction writes
2424         to memory.  interchange-3.f90 is an example.
2425
2426 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2427
2428         * gfortran.dg/graphite/interchange-3.f90: New.
2429
2430 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2433
2434 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2435
2436         * graphite-dependences.c (dependence_polyhedron_1): Add the
2437         context to the dependence polyhedron.
2438
2439 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2442         PBB_PDR_DUPLICATES_REMOVED.
2443         (new_poly_bb): Same.
2444
2445 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2448         SCOP_CONTEXT.
2449         (build_loop_iteration_domains): Extract bounds on parameters
2450         based on the data size.
2451         (build_scop_context): Do not initialize SCOP_CONTEXT;
2452         add new constraints.
2453
2454 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2455
2456         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2457         * graphite-ppl.h (graphite-ppl.h): Declared.
2458
2459 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         * graphite-ppl.c (ppl_print_linear_expr): New.
2462         (debug_ppl_linear_expr): New.
2463         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2464         (debug_ppl_linear_expr): Declared.
2465
2466 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         * graphite-interchange.c: Fix comments.
2469         * gcc.dg/graphite/block-1.c: Fix comments.
2470
2471 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2474         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2475
2476 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2477
2478         Reapply the patch from Alexander Monakov that disappeared during
2479         the last merges from trunk.
2480
2481         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2482
2483         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2484         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2485
2486 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         * graphite-interchange.c (memory_stride_in_loop): The depth
2489         argument corresponds to a dynamic time dimension, so use
2490         psct_dynamic_dim to refer to the transformed scattering dimension.
2491
2492 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2493
2494         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2495
2496 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2499         root of the LST.
2500         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2501         the root of the LST.
2502         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2503         fake loop.
2504         (print_lst): Print the root of LST in a different format.
2505         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2506
2507 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2510
2511 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2512
2513         * doc/passes.texi: Document the Graphite infrastructure.
2514
2515 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2516
2517         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2518         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2519         and check the SSA representation.
2520
2521         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2522
2523 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2524
2525         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2526
2527 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2528
2529         * gcc.dg/graphite/interchange-11.c: New.
2530
2531 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2534
2535 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2538         Add -fno-loop-strip-mine and -fno-loop-interchange.
2539         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2540         -fno-loop-strip-mine.
2541         * gfortran.dg/graphite/graphite.exp: Same.
2542
2543 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2544
2545         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2546         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2547         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2548         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2549         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2550         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2551         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2552         DEFAULT_FLAGS_GRAPHITE_SCOP.
2553         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2554         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2555
2556 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2557
2558         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2559
2560 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2561             Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * graphite-interchange.c (build_linearized_memory_access): Pass an
2564         offset as parameter.
2565         (memory_stride_in_loop): Include transform scattering in the
2566         access functions to be able to querry the strides in the
2567         transformed loops.
2568         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2569         not the psct_iterator_dim.
2570
2571 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2574         (lst_do_strip_mine_loop): New.
2575         (lst_do_strip_mine): New.
2576         (scop_do_strip_mine): Call lst_do_strip_mine.
2577         * graphite-poly.h (lst_add_loop_under_loop): New.
2578         (lst_find_first_pbb): New.
2579
2580 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * graphite-poly.c (loop_to_lst): Fix LST creation.
2583
2584 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2585
2586         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2587         sizeof(unsigned long) to make it run on 32bit systems.
2588
2589 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2590
2591         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2592         SEGFAULT on 32bit.
2593
2594 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2595
2596         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2597         Comment.
2598         (write_alias_graph_to_ascii_dot): New.
2599         (write_alias_graph_to_ascii_ecc): Ditto.
2600         (partition_drs_to_sets): Add testing of optimality of current method
2601         which assigns alias numbers according to DFS Comopnent number.  used
2602         as heuristic for the upcoming ECC algorithm.
2603         (build_scop_drs): Write to file also with the ecc and dot format.
2604
2605 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * gfortran.dg/graphite/interchange-1.f: XFail.
2608
2609 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2610
2611         * graphite.c (graphite_initialize): Do not handle functions with
2612         more than 100 basic blocks.
2613
2614 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * graphite-blocking.c (pbb_do_strip_mine): Use
2617         PARAM_LOOP_BLOCK_TILE_SIZE.
2618
2619 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * graphite-poly.c (dot_lst_1): New.
2622         (dot_lst): New.
2623         * graphite-poly.h (dot_lst): Declared.
2624
2625 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * graphite-dependences.c (dot_deps_stmt_1): New.
2628         (dot_deps_stmt): New.
2629         * graphite-dependences.h (dot_deps_stmt): Declared.
2630
2631 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2632
2633         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2634         not replace cross BB scalar dependences ending on PHI nodes.
2635         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2636
2637 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-poly.c (apply_poly_transforms): Implement the high
2640         level driver for flag_loop_block.
2641         * opts.c (decode_options): Enable flag_loop_block at -O2.
2642         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2643         flag_loop_block.
2644
2645         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2646         -floop-block.
2647         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2648         Add -floop-block.
2649
2650 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-poly.h (lst_find_pbb): New.
2653         (find_lst_loop): New.
2654
2655 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2658         * graphite-poly.h (struct scop): Remove dep_graph field.
2659         (SCOP_DEP_GRAPH): Removed.
2660
2661 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2662
2663         * graphite-poly.h (copy_lst): Do full copy of LST.
2664
2665 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2666
2667         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2668         when the loop stride is zero.
2669
2670         * gcc.dg/graphite/id-16.c: New.
2671
2672 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2673
2674         * graphite-dependences.c (reduction_dr_1): New.
2675         (reduction_dr_p): New.
2676         (graphite_legal_transform_dr): Call reduction_dr_p.
2677         (reduction_ddr): Renamed reduction_ddr_p.
2678         * graphite-poly.h (same_pdr_p): New.
2679         (number_of_write_pdrs): New.
2680         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2681         (split_reduction_stmt): Do not split reduction statements
2682         when there are no writes to memory.
2683         (translate_scalar_reduction_to_array_for_stmt): Insert the
2684         memory reduction statement just after the scalar reduction statement.
2685
2686         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2687         Un-XFAIL-ed.
2688         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2689         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2690
2691 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2692
2693         * graphite-interchange.c (lst_apply_interchange): New.
2694         (lst_interchange_profitable_p): New.
2695         (lst_try_interchange_loops): New.
2696         (lst_try_interchange): New.
2697         (lst_do_interchange): New.
2698         (pbb_do_interchange): Removed.
2699         (scop_do_interchange): Call lst_do_interchange.
2700
2701 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2704         SCOP_TRANSFORMED_SCHEDULE.
2705         (loop_to_lst): New.
2706         (scop_to_lst): New.
2707         (print_lst): New.
2708         (debug_lst): New.
2709         * graphite-poly.h (lst_p): New.
2710         (struct lst): New.
2711         (LST_LOOP_P): New.
2712         (LST_LOOP_FATHER): New.
2713         (LST_PBB): New.
2714         (LST_SEQ): New.
2715         (scop_to_lst): Declared.
2716         (print_lst): Declared.
2717         (debug_lst): Declared.
2718         (new_lst_loop): New.
2719         (new_lst_stmt): New.
2720         (copy_lst): New.
2721         (lst_depth): New.
2722         (lst_dewey_number): New.
2723         (struct scop): Add original_schedule and transformed_schedule fields.
2724         (SCOP_ORIGINAL_SCHEDULE): New.
2725         (SCOP_TRANSFORMED_SCHEDULE): New.
2726         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2727
2728 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * graphite-dependences.c (reduction_ddr): New.
2731         (graphite_legal_transform_bb): Call reduction_ddr.
2732         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2733         Initialize PBB_IS_REDUCTION.
2734         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2735         (PBB_IS_REDUCTION): New.
2736         (new_poly_bb): Update declaration.
2737         * graphite-scop-detection.h (build_scop_bbs): Removed.
2738         (nb_reductions_in_loop): Removed.
2739         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2740         parameter for reductions.
2741         (try_generate_gimple_bb): Update call to new_poly_bb.
2742         (build_scop_bbs_1): Same.
2743         (build_scop_bbs): Same.
2744         (gsi_for_phi_node): New.
2745         (scalar_close_phi_node_p): Remove gcc_assert.
2746         (split_reduction_stmt): New.
2747         (is_reduction_operation_p): New.
2748         (phi_contains_arg): New.
2749         (follow_ssa_with_commutative_ops): New.
2750         (detect_commutative_reduction_arg): New.
2751         (detect_commutative_reduction_assign): New.
2752         (follow_inital_value_to_phi): New.
2753         (edge_initial_value_for_loop_phi): New.
2754         (initial_value_for_loop_phi): New.
2755         (detect_commutative_reduction): New.
2756         (translate_scalar_reduction_to_array_for_stmt): New.
2757         (insert_copyout): New.
2758         (insert_copyin): New.
2759         (translate_scalar_reduction_to_array): New.
2760         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2761         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2762         (rewrite_commutative_reductions_out_of_ssa): New.
2763         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2764         * sese.h (split_region_for_bb): New.
2765
2766         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2767         * gcc.dg/graphite/interchange-1.c: Fix format.
2768         * gcc.dg/graphite/interchange-10.c: New.
2769
2770 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2773         buggy assert.
2774
2775 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2776
2777         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2778         (rewrite_cross_bb_scalar_dependence): New.
2779         (rewrite_cross_bb_scalar_deps): New.
2780         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2781         Call rewrite_cross_bb_scalar_deps.
2782
2783 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2786         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2787         gsi_for_stmt.
2788
2789 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2792         * graphite-interchange.c (pbb_do_interchange): Same.
2793         * graphite-poly.c (print_scattering_function): Same.
2794         (debug_pdrs): Same.
2795         * graphite-poly.h (pbb_loop): New.
2796         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2797
2798 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2801
2802 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2803
2804         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2805         so don't pass a pointer to it.
2806         (build_alias_set_for_drs): Same.
2807         (build_base_obj_set_for_drs): Same.
2808         (build_scop_drs): Same.
2809
2810 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2811
2812         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2813         the alias graph of data references.
2814
2815 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2816
2817         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2818         (build_scop_drs): When debugging, write the alias graph to file,
2819         otherwise, should be disabled.
2820
2821 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2822
2823         * Merge from mainline (151310:151361).
2824
2825 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2826
2827         * Merge from mainline (151171:151310).
2828
2829 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * Merge from mainline (151171:151806).
2832
2833 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * Revert the last commit.
2836
2837 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2838
2839         * Merge from mainline (151171:151819).
2840
2841 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2844         (is_simple_operand): Remove call to stmt_simple_memref_p.
2845         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2846
2847 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2848
2849         * gcc.dg/graphite/interchange-mvt.c: New File.
2850         * gcc.dg/graphite/scop-dsyrk.c: New File.
2851         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2852         * gcc.dg/graphite/scop-mvt.c: New File.
2853         * gcc.dg/graphite/scop-sor.c: New File.
2854
2855 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2856
2857         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2858         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2859         (graphite_carried_dependence_level_k): Ditto.
2860         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2861         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2862         (new_poly_dr): Adjust declaration.
2863         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2864         (free_gimple_bb): Added free_data_refs_aux.
2865         (build_poly_dr): Add dr_base_object_set.
2866         (partition_drs_to_sets): New.
2867         (dr_same_base_object_p): New.
2868         (build_alias_set_for_drs): New.
2869         (build_base_object_set_for_drs): New.
2870         (build_scop_drs): Add build_base_obj_set_for_drs.
2871         * graphite-sese-to-poly.h: Added #define for alias set number index and
2872         base object set index.
2873         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2874         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2875
2876 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2877
2878         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2879         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2880
2881 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2882
2883         * graphite-sese-to-poly.c (struct irp_data): Removed.
2884         (idx_record_params): Removed.
2885         (find_params_in_bb): Scan for parameters the access functions; don't
2886         parse the tree representation.
2887
2888 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2891         passes at -O1 and below.
2892
2893 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2896         tree-scalar-evolution.h, and then tree-data-ref.h.
2897         * graphite-clast-to-gimple.c: Same.
2898         * graphite-dependences.c: Same.
2899         * graphite-interchange.c: Same.
2900         * graphite-poly.c: Same.
2901         * graphite-scop-detection.c: Same.
2902         * graphite-sese-to-poly.c: Same.
2903         * graphite.c: Same.
2904         * lambda-code.c: Same.
2905         * matrix-reorg.c: Same.
2906         * tree-data-ref.c: Same.
2907         * tree-if-conv.c: Same.
2908         * tree-loop-distribu: Same.: Same.
2909         * tree-loop-linear.c: Same.
2910         * tree-parloops.c: Same.
2911         * tree-predcom.c: Same.
2912         * tree-vect-patterns.c: Same.
2913
2914 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2915
2916         Partially revert the previous patch, except the following.
2917         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2918         as parameters the operands of the not expression.
2919
2920 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2923         Do not call analyze_scalar_evolution on assignments.
2924         (instantiate_scev_phi): Call analyze_scalar_evolution.
2925         (instantiate_scev_name): Call instantiate_scev_assign and
2926         instantiate_scev_phi.
2927         (instantiate_scev_not): Adapted to pass as parameters the operands
2928         of the not expression.
2929
2930 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2931
2932         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2933         to pass as parameters the operands of the binary expression.
2934
2935 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2936
2937         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2938         instantiate_scev_not.  Handle NEGATE_EXPR.
2939         (instantiate_scev_r): Handle NEGATE_EXPR.
2940
2941 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2942
2943         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2944         instantiate_scev_r.
2945         (instantiate_scev_r): Move code in instantiate_scev_2
2946         and instantiate_scev_1.
2947
2948 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2949
2950         * tree-scalar-evolution.c (instantiate_scev_3): New.
2951         (instantiate_scev_1): Move code in instantiate_scev_3.
2952
2953 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2954
2955         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2956         (instantiate_scev_1): Move code in instantiate_scev_poly.
2957
2958 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2959
2960         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2961         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2962
2963 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2964
2965         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2966         (instantiate_scev_1): Move code in instantiate_scev_convert.
2967
2968 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2969
2970         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2971         (instantiate_scev_1): Move code in instantiate_scev_binary.
2972
2973 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         * tree-scalar-evolution.c (instantiate_scev_name): New.
2976         (instantiate_scev_1): Move code in instantiate_scev_name.
2977
2978 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2979
2980         * Merge from mainline (150992:151171).
2981
2982 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2985
2986 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2987
2988         * graphite-dependences.c (graphite_legal_transform_bb): Call
2989         pbb_remove_duplicate_pdrs.
2990         * graphite-poly.c (can_collapse_pdr): Removed.
2991         (pdr_find_duplicate): Removed.
2992         (can_collapse_pdrs): New.
2993         (pbb_remove_duplicate_pdrs): New.
2994         (new_poly_dr): Do not look for duplicates.
2995         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2996         (PBB_PDR_DUPLICATES_REMOVED): New.
2997         (pbb_remove_duplicate_pdrs): Declared.
2998
2999 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3002         the strides by multiplying by PDR_NB_REFS.
3003         * graphite-poly.c (can_collapse_pdr): New.
3004         (pdr_find_duplicate): New.
3005         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3006         Initialize PDR_NB_REFS.
3007         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3008         (PDR_NB_REFS): New.
3009         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3010
3011 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         Revert one of the previous commits:
3014         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3015         the computation of symmetric data dependence relations.
3016         (dependency_between_pbbs_p): Same.
3017
3018 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3019
3020         PR middle-end/40965
3021         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3022         any transform.
3023
3024 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         * graphite-dependences.c (pddr_original_scattering): Return NULL
3027         for read-read dependence relations.
3028         * graphite-poly.h (enum poly_dr_type): Fix comment.
3029         (pdr_read_p): New.
3030         (pdr_write_p): New.
3031         (pdr_may_write_p): New.
3032
3033 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3034
3035         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3036         (struct poly_dr): Same.
3037         (new_poly_dr): Same.
3038         * graphite-poly.c (new_poly_dr): Same.
3039
3040 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3041             Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3044         pbb_strip_mine_time_depth.  Changed the implementation so that
3045         transformation is expressed as a transformation on
3046         time (scatttering) dimensions.  Also, ensures that the 2d+1
3047         scheduling format is preserved.
3048         (pbb_strip_mine_profitable_p): Profitability is based on the
3049         iteration number of a given time (scattering) dimension,
3050         and not on a original loop depth dimension.
3051         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3052         (pbb_do_strip_mine): Call psct_dynamic_dim.
3053         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3054         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3055         (pbb_nb_dynamic_scattering_transform): New.
3056         (psct_dynamic_dim): New.
3057
3058 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3059
3060         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3061         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3062         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3063         * graphite-interchange.c (build_linearized_memory_access): Same.
3064         (memory_stride_in_loop): Same.
3065
3066 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         * graphite-dependences.c (pddr_original_scattering): New.
3069         (graphite_legal_transform_dr): Call pddr_original_scattering.
3070         (dot_deps_1): New.
3071         (dot_deps): New.
3072         * graphite-dependences.h (dot_deps): Declared.
3073         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3074         (print_pdr): Print PDR_ID.
3075         * graphite-poly.h (struct poly_dr): Add field id.
3076         (PDR_ID): New.
3077         (pbb_index): New.
3078         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3079
3080 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3081
3082         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3083         not delete the original dependence relation.
3084
3085 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3088         the computation of symmetric data dependence relations.
3089         (dependency_between_pbbs_p): Same.
3090
3091 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3092
3093         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3094         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3095         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3096         (free_poly_ddr): New.
3097         (pddr_is_empty): New.
3098         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3099         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3100         Remove fprintfs.
3101         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3102         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3103         * graphite-dependences.h (enum poly_dependence_kind): New.
3104         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3105         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3106         (PDRP_SINK): Renamed PDDR_SINK.
3107         (PDRP_DDP): Renamed PDDR_DDP.
3108         (PDDR_KIND): New.
3109         (free_poly_ddr): Declared.
3110         * graphite-poly.c (new_scop): Use the new hash function names.
3111         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3112         into original_pddrs.
3113         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3114
3115 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3116
3117         * Merge from mainline (150764:150992).
3118
3119 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3120
3121         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3122         bounds with LT_EXPR to make niter analysis more precise on code
3123         generated by Graphite.
3124
3125 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3126
3127         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3128         (graphite_legal_transform_bb): Same.
3129         (poly_drs_may_alias_p): Same.
3130
3131 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3132
3133         PR middle-end/40981
3134         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3135         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3136
3137 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3138
3139         * graphite-poly.c (print_pbb): Print PBB index.
3140
3141 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3142
3143         * Merge from mainline (r150672:150764).
3144
3145 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * graphite-interchange.c (ppl_max_for_le): Moved...
3148         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3149         * graphite-ppl.c (ppl_max_for_le): ... here.
3150         * graphite-ppl.h (ppl_max_for_le): Declared.
3151
3152 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3153
3154         * Merge from mainline (r150372:150672).
3155
3156 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3157
3158         PR middle-end/40980
3159         * sese.c (convert_for_phi_arg): New.
3160         (add_guard_exit_phis): Use convert_for_phi_arg.
3161
3162         * gfortran.dg/graphite/id-17.f: New.
3163
3164 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3165
3166         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3167         unknown subscript upper bounds.
3168
3169         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3170
3171 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3172             Pranav Garg  <pranav.garg2107@gmail.com>
3173
3174         * graphite-interchange.c (gather_access_strides): Removed.
3175         (ppl_max_for_le): New.
3176         (build_linearized_memory_access): New.
3177         (memory_stride_in_loop): New.
3178         (pbb_interchange_profitable_p): Reimplemented.
3179         * graphite-ppl.h (ppl_new_id_map): New.
3180         (ppl_interchange): New.
3181
3182         * gcc.dg/graphite/interchange-6.c: XFAILed.
3183
3184 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3185
3186         * graphite-interchange.c (compute_subscript): Removed.
3187         (compute_array_size_cstr): Removed.
3188         (compute_array_size_poly): Removed.
3189         (compute_array_size): Removed.
3190         (gather_access_strides_poly): Removed.
3191         (gather_access_strides): Empty.
3192
3193 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3194
3195         * graphite-dependences.c (dependence_polyhedron_1): Replace
3196         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3197         (graphite_legal_transform_dr): Same.
3198         (graphite_carried_dependence_level_k): Same.
3199         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3200         Initialize PDR_NB_SUBSCRIPTS.
3201         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3202         PDR_NB_SUBSCRIPTS.
3203         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3204         (PDR_NB_SUBSCRIPTS): New.
3205         (pdr_nb_subscripts): Removed.
3206         (pdr_dim): Simplified.
3207         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3208         with PDR_NB_SUBSCRIPTS.
3209
3210 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3211
3212         * graphite-interchange.c (compute_array_size): Remove use of
3213         PDR_DATA_CONTAINER.
3214         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3215         Do not initialize PDR_DATA_CONTAINER.
3216         (print_pdr): Do not print PDR_DATA_CONTAINER.
3217         * graphite-poly.h (struct poly_dr): Remove data_container field.
3218         (PDR_DATA_CONTAINER): Removed.
3219         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3220         PDR_DATA_CONTAINER.
3221         (build_poly_dr): Same.
3222
3223 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3224
3225         * gcc.dg/graphite/interchange-9.c: New.
3226
3227 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3228             Sebastian Pop  <sebastian.pop@amd.com>
3229
3230         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3231         copy of the dependence polyhedron.  Free the temporary objects.
3232         (graphite_carried_dependence_level_k): Free unused objects before
3233         returning.
3234
3235         * gcc.dg/graphite/interchange-1.c: XFAILed.
3236         * gcc.dg/graphite/interchange-2.c: XFAILed.
3237         * gcc.dg/graphite/interchange-3.c: XFAILed.
3238         * gcc.dg/graphite/interchange-4.c: XFAILed.
3239         * gcc.dg/graphite/interchange-7.c: XFAILed.
3240
3241 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3242
3243         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3244         Early return without analyzing the data dependences if no
3245         transform has been done.  Call restore_scattering if the transform
3246         is not legal.
3247         (graphite-interchange.c): Same.
3248         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3249         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3250         (apply_poly_transforms): Do not gcc_assert that
3251         the transform is legal.
3252         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3253         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3254         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3255         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3256         * graphite-poly.h (struct poly_scattering): New.
3257         (struct poly_bb): Add original, transformed, and saved fields.
3258         Remove transformed_scattering, original_scattering, nb_local_variables,
3259         and nb_scattering_transform fields.
3260         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3261         (poly_scattering_new): New.
3262         (poly_scattering_free): New.
3263         (poly_scattering_copy): New.
3264         (store_scattering_pbb): New.
3265         (store_scattering): New.
3266         (restore_scattering_pbb): New.
3267         (restore_scattering): New.
3268         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3269         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3270
3271 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3274         (print_scop): Same.
3275
3276 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3277
3278         * Makefile.in (graphite.o): Depends on PREDICT_H.
3279         * graphite.c: Include predict.h.
3280         (graphite_finalize): Call tree_estimate_probability.
3281         * predict.c (predict_loops): Do not call scev_initialize and
3282         scev_finalize.
3283         (tree_estimate_probability_bb): New.
3284         (tree_estimate_probability): Do not initialize loops: move that
3285         code to the driver.  Call tree_estimate_probability_bb.
3286         (tree_estimate_probability_driver): New.
3287         (pass_profile): Use tree_estimate_probability_driver.
3288         * predict.h (tree_estimate_probability): Declared.
3289
3290 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3291
3292         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3293         * graphite-dependences.c (graphite_legal_transform): Add time to
3294         TV_GRAPHITE_DATA_DEPS.
3295         (dependency_between_pbbs_p): Same.
3296         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3297
3298 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * Merge from mainline (r149952:150372).
3301
3302 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3303
3304         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3305         * graphite-blocking.c: Same.
3306         * graphite-clast-to-gimple.c: Same.
3307         * graphite-dependences.c: Same.
3308         * graphite-poly.c: Same.
3309         * graphite-poly.h: Same.
3310         * graphite-ppl.c: Same.
3311         * graphite-scop-detection.c: Same.
3312         * graphite-sese-to-poly.c: Same.
3313         * graphite.c: Same.
3314
3315 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3318         (remove_simple_copy_phi): New.
3319         (remove_invariant_phi): New.
3320         (simple_copy_phi_p): New.
3321         (reduction_phi_p): New.
3322         (gsi_for_ssa_name_def): New.
3323         (insert_out_of_ssa_copy): New.
3324         (insert_out_of_ssa_copy_on_edge): New.
3325         (create_zero_dim_array): New.
3326         (scalar_close_phi_node_p): New.
3327         (rewrite_close_phi_out_of_ssa): New.
3328         (rewrite_phi_out_of_ssa): New.
3329         (rewrite_reductions_out_of_ssa): New.
3330         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3331
3332         * gcc.dg/graphite/id-11.c: New.
3333         * gcc.dg/graphite/id-15.c: New.
3334         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3335         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3336         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3337         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3338         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3339         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3340         * gfortran.dg/graphite/id-13.f: New.
3341         * gfortran.dg/graphite/id-5.f: New.
3342
3343 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3344
3345         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3346         check that nb_reductions_in_loop is zero.
3347         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3348         reduction phi nodes.
3349         (nb_reductions_in_loop): Removed.
3350         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3351         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3352         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3353         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3354         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3355
3356 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3357
3358         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3359         statements that have an empty iteration domain.
3360         * gfortran.dg/graphite/id-16.f: New.
3361
3362 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * tree-scalar-evolution.c (instantiate_scev_1): Return
3365         chrec_dont_know when the result is not above instantiate_below.
3366         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3367         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3368         the tree has a known scalar evolution.
3369         * gfortran.dg/graphite/id-14.f: New.
3370         * gfortran.dg/graphite/id-15.f: New.
3371
3372 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3375         insert_gsi.
3376         (rename_variables): Keep inserting renames after the ones already
3377         inserted.
3378
3379 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3380
3381         * graphite-sese-to-poly.c (compare_bb_depths): New.
3382         (graphite_sort_dominated_info): New.
3383         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3384         (build_scop_scattering): Fix comment.
3385
3386 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * graphite.c (graphite_finalize): Call print_loops instead of
3389         dump_function_to_file.
3390         * gcc.dg/graphite/graphite.exp: Fix formatting.
3391         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3392         loops generated in the graphite output file.
3393         * gcc.dg/graphite/pr35356-2.c: New.
3394         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3395         * gfortran.dg/graphite/id-12.f: New.
3396
3397 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3398
3399         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3400         Remove 2 XFAIL.
3401
3402 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3403             Tobias Grosser  <grosser@fim.uni-passau.de>
3404
3405         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3406         alias set number build alias in ACCESSES polyhedron.
3407         (build_alias_set_for_drs): New.
3408         (build_pbb_drs): Added build_alias_set_for_drs.
3409         * graphite-dependences.c (poly_drs_may_alias_p): New.
3410         (graphite_carried_dependence_level_k): Check alias information
3411         before building polyhedron.
3412
3413 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3414
3415         * Makefile.in (lambda-code.o): Fix formatting.
3416
3417 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3418
3419         * Merge from mainline (r149350-149952)
3420
3421 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3422
3423         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3424         before interchange to prepare for loop blocking.
3425
3426 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3427
3428         * graphite-poly.c (apply_poly_transforms): Add checks after every
3429         transformation.
3430         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3431         done in apply_poly_transforms.
3432
3433 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3434
3435         * graphite-dependences.c (build_lexicographically_gt_constraint):
3436         Replace RES parameter with *RES.
3437         (dependence_polyhedron_1): Pass an address of the parameter RES
3438         instead of value of RES.
3439
3440 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3441
3442         * graphite.c (graphite_finalize): Fix comment.
3443         (graphite_transform_loops): Reset scev info after code generation
3444         of each scop.
3445
3446 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         * graphite.c (graphite_finalize): Call scev_reset.
3449
3450 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3451
3452         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3453         GBB_CLOOG_IV_TYPES hash table twice.
3454         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3455         (add_condition_to_domain): Clear GMP values.
3456
3457 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3458
3459         * graphite-dependences.c: Fix formatting.
3460         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3461         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3462         * graphite-sese-to-poly.c: Fix formatting.
3463         * graphite.c (graphite_transform_loops): Create the hash table
3464         after the early return.
3465
3466 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3467
3468         * gcc.dg/graphite/id-14.c: New.
3469         * gcc.dg/graphite/pr40157.c: New.
3470         * gfortran.dg/graphite/id-11.f: New.
3471
3472 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3473
3474         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3475         (build_poly_scop): Return false when there are no pbbs within
3476         loops to avoid to pass to cloog scops with no loops.
3477
3478 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3479
3480         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3481         useless test "i % 2".
3482         (build_pbb_scattering_polyhedrons): Fix formatting.
3483         (build_poly_dr): Same.
3484         * graphite.c (graphite_transform_loops): Restructure.
3485
3486 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3487
3488         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3489         reduction_list parameter.
3490         (rewrite_all_phi_nodes_with_iv): Same.
3491         (canonicalize_loop_ivs): Same.
3492         * tree-parloops.c (struct brli): Removed.
3493         (build_reduction_list_info): Removed.
3494         (build_new_reduction): New.
3495         (analyze_reduction_list): Removed.
3496         (gather_scalar_reductions): Find reductions instead of phi
3497         nodes that can't be canonicalized.
3498         (try_create_reduction_list): Remove reduction_list parameter.
3499         (gen_parallel_loop): Same.
3500         (parallelize_loops): Remove analyze_reductions variable,
3501         initialization and free.
3502         Change reduction_list htab initialization to reduction_info
3503         elements instead of ssa names.
3504         Call try_create_reduction_list and gen_parallel_loop without
3505         analyzed_reduction argument.
3506         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3507         canonicalize_loop_ivs with one less argument.
3508         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3509
3510 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3511
3512         * graphite-dependences.c (new_poly_dr_pair): New.
3513         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3514         (new_poly_dr_pair): New.
3515         (eq_poly_dr_pair_p): New.
3516         (hash_poly_dr_pair_p): New.
3517         * graphite-dependences.h (struct poly_dr_pair): New.
3518         (eq_poly_dr_pair_p): Declared.
3519         (hash_poly_dr_pair_p): Declared.
3520         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3521         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3522         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3523         * Makefile.in (graphite-poly.o): Add dependence on
3524         graphite-dependences.h.
3525
3526 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3527
3528         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3529         polynomials of degree > 1 pass to Graphite.
3530         * tree-chrec.c (scev_is_linear_expression): Call
3531         evolution_function_is_affine_multivariate_p.
3532         * gfortran.dg/graphite/id-10.f90: New.
3533
3534 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3537         Instantiate scevs varying in outer loops.
3538         * gfortran.dg/graphite/id-9.f: Correct testcase.
3539
3540 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3543         redundant constraint.
3544
3545 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547         * gcc.dg/graphite/graphite.exp: Fix comments.
3548         * gfortran.dg/graphite/graphite.exp: Trigger actions
3549         based on the file names as in the C testsuite.
3550         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3551         * gfortran.dg/graphite/block-2.f: Same.
3552         * gfortran.dg/graphite/block-3.f90: Same.
3553         * gfortran.dg/graphite/block-4.f90: Same.
3554         * gfortran.dg/graphite/id-1.f90: Same.
3555         * gfortran.dg/graphite/id-2.f90: Same.
3556         * gfortran.dg/graphite/id-3.f90: Same.
3557         * gfortran.dg/graphite/id-4.f90: Same.
3558         * gfortran.dg/graphite/id-6.f: Same.
3559         * gfortran.dg/graphite/id-9.f: Same.
3560         * gfortran.dg/graphite/interchange-1.f: Same.
3561         * gfortran.dg/graphite/interchange-2.f: Same.
3562         * gfortran.dg/graphite/scop-1.f: Same.
3563
3564 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3565
3566         * sese.c (expand_scalar_variables_call): New.
3567         (expand_scalar_variables_ssa_name): Handle calls in expander.
3568
3569 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3570
3571         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3572         Expect to see the pattern twice.
3573         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3574         * gcc.dg/graphite/interchange-5.c: Same.
3575         * gcc.dg/graphite/interchange-6.c: Same.
3576
3577 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3578
3579         * gcc.dg/graphite/id-10.c: New.
3580         * gcc.dg/graphite/id-12.c: New.
3581         * gfortran.dg/graphite/id-7.f: New.
3582         * gfortran.dg/graphite/id-8.f: New.
3583
3584 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3585
3586         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3587         zero.
3588
3589 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3590
3591         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3592
3593 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3594
3595         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3596
3597 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3598
3599         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3600         building PDR subscripts.
3601
3602 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3603
3604         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3605         computation of array sizes.
3606
3607 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3608
3609         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3610
3611 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3612
3613         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3614         build_pairwise_constraint, dr_equality_constraints,
3615         build_pairwise_scheduling_equality,
3616         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3617         build_lexicographically_gt_constraint, dependence_polyhedron,
3618         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3619         Move from NNC_Polyhedron to C_Polyhedron.
3620         * graphite-interchange.c (compute_array_size_poly,
3621         gather_access_strides): Dito.
3622         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3623         free_scop, pbb_number_of_iterations): Dito.
3624         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3625         pbb_dim_iter_domain, struct scop): Dito.
3626         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3627         new_Cloog_Domain_from_ppl_Polyhedron,
3628         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3629         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3630         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3631         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3632         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3633         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3634         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3635         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3636         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3637         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3638         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3639         build_scop_iteration_domain, build_poly_dr): Dito
3640
3641 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3642
3643         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3644         run-id-*.c files.
3645         * gcc.dg/graphite/run-id-1.c: New.
3646
3647 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3648
3649         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3650         positivity constraint on the symbolic number of iterations.
3651
3652 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3653
3654         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3655
3656 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3657             Tobias Grosser  <grosser@fim.uni-passau.de>
3658
3659         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3660         (build_cloog_prog): Directly use SCOP_CONTEXT.
3661         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3662         (free_scop): Free SCOP_CONTEXT.
3663         (print_scop_context): New.
3664         (print_scop): Call print_scop_context.
3665         (debug_scop_context): New.
3666         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3667         (struct scop): Added field context.
3668         (SCOP_CONTEXT): New.
3669         * graphite-sese-to-poly.c (add_param_constraints): New.
3670         (build_scop_context): New.
3671         (build_poly_scop): Call build_scop_context.
3672
3673 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3674
3675         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3676         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3677         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3678         * graphite-ppl.h: Include double-int.h and tree.h.
3679         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3680         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3681         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3682         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3683
3684 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3685
3686         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3687         POINTER_PLUS_EXPR for pointer types.
3688         (clast_to_gcc_expression): Same.
3689
3690 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3691
3692         * graphite-poly.c (print_scattering_function): Early return when
3693         PBB_TRANSFORMED_SCATTERING is not initialized.
3694         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3695
3696 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3697
3698         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3699         to fix bootstrap.
3700
3701 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3702
3703         * tree-parloops.c (analyze_reduction_list): Change return
3704         value to void.
3705         (try_create_reduction_list): Move the call to
3706         analyze_reduction_list to the beginining.
3707         Call reduction_phi with analyzed_reductions as argument
3708         instead of reduction_list.
3709
3710 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3711
3712         *  Merge from mainline (r148296:149346)
3713
3714 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3715
3716         * graphite-scop-detection.c (graphite_can_represent_init): New.
3717         (graphite_can_represent_scev): Call graphite_can_represent_init:
3718         check that the initial value does not contain multiplications of
3719         parameters.
3720         (stmt_has_simple_data_refs_p): New.
3721         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3722         (is_simple_operand): Fix formatting.
3723         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3724
3725 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3726
3727         * gcc.dg/graphite/id-13.c: New.
3728         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3729         analyze_scalar_evolution, use scalar_evolution_in_region.
3730         (scan_tree_for_params_right_scev): Add extra assert.
3731         (parameter_index_in_region_1): Split from parameter_index_in_region.
3732         (idx_record_params): Use scalar_evolution_in_region.
3733         (find_params_in_bb): Same.
3734         (find_scop_parameters): Same.
3735         (build_loop_iteration_domains): Same.
3736         (create_linear_expr_from_tree): Same.
3737         * sese.c (scalar_evolution_in_region): New.
3738         * sese.h (scalar_evolution_in_region): Declared.
3739         (defined_in_sese_p): New.
3740         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3741         static anymore.
3742         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3743         Declared.
3744
3745 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3746
3747         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3748         TREE_DATA_REF_H also implies SCEV_H.
3749
3750 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * graphite-poly.c (print_scop_params): New.
3753         (print_scop): Call print_scop_params.
3754         (debug_scop_params): New.
3755         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3756
3757 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3758
3759         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3760         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3761         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3762         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3763         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3764         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3765
3766 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3767
3768         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3769         for dependency checking part.
3770         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3771         tests for dependency checking.
3772         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3773         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3774         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3775         flag -fdump-tree-graphite-all for autopar testsuites.
3776
3777 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3780         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3781         canonicalize_loop_ivs): Moved...
3782         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3783
3784 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3785
3786         * tree-parloops.c (try_create_reduction_list): Pass an extra
3787         argument analyzed_reductions.  Call analyze_reduction_list.
3788         (gen_parallel_loop): Do not call analyze_reduction_list.
3789         (parallelize_loops): Init and finalize analyzed_reductions.
3790
3791 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3792
3793         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3794         Added flag -fno-loop-strip-mine for autopar testcase.
3795
3796 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3797
3798         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3799         transformed scattering dimension instead of unmatch orignal when
3800         calling dependence_polyhedron.
3801
3802 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3803
3804         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3805
3806 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3807
3808         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3809         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3810
3811 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3812
3813         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3814         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3815         * graphite-poly.c (pbb_number_of_iterations): New.
3816         * graphite-poly.h (pbb_number_of_iterations): Declared.
3817         (pbb_iterator_dim, pbb_parameter_dim): New.
3818
3819 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3820
3821         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3822         last commit on type of lower and upper bound of loops.
3823
3824 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3825
3826         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3827         graphite-dependences.h.
3828         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3829         (mark_bb_with_pbb): New.
3830         (get_stmtfor_depth): New.
3831         (find_pbb_via_hash): New.
3832         (dependency_in_loop_p): New.
3833         (mark_loops_parallel): New.
3834         (free_aux_in_new_loops): New.
3835         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3836         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3837         innermost loop parallel without checking.
3838         (gloog): Add parameter BB_PBB_MAPPING.
3839         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3840         (gloog): Change declaration.
3841         (mark_loop_parallel): Make extern.
3842         (free_aux_in_new_loops): Declare.
3843         (bb_pbb_map_hash): New.
3844         (eq_bb_pbb_map): New.
3845         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3846         auto parallelization when flag_graphite_force_parallel is set.
3847         (graphite_finalize): Added free_aux_in_new_loops.
3848         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3849         the innermost loop that marked parallel.  Use
3850         flag_graphite_force_parallel instead of loop->can_be_parallel.
3851         (loop_parallel_p): Move inner most checking out of function.
3852
3853 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3856         type of lower and upper bound of loops signed long int.
3857
3858 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3859
3860         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3861         expression outside the loop.
3862
3863 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3864
3865         * gcc.dg/graphite/interchange-8.c: New.
3866
3867 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3868
3869         * gcc.dg/graphite/interchange-0.c: XFailed.
3870         * gcc.dg/graphite/interchange-5.c: XFailed.
3871         * gcc.dg/graphite/interchange-6.c: XFailed.
3872
3873 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3874
3875         * graphite-interchange.c (compute_array_size_poly): The end of the
3876         recursion should return 1.
3877
3878 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3879
3880         * graphite-interchange.c (compute_array_size_cstr): Allow the
3881         subscript multiplier to be -1.
3882         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3883         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3884         data_container.  Initializes PDR_DATA_CONTAINER.
3885         (print_pdr_access_layout): New.
3886         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3887         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3888         data_container.
3889         (PDR_DATA_CONTAINER): New.
3890         (new_poly_dr): Update declaration.
3891         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3892         (build_poly_dr): Call pdr_add_data_dimensions.
3893
3894 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         * graphite-poly.h (struct poly_dr): Fix comment.
3897         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3898         (pdr_add_memory_accesses): New.
3899         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3900
3901 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3902
3903         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3904         (print_pbb): Add call to print_pdrs.
3905         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3906
3907 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3908             Li Feng <nemokingdom@gmail.com>
3909
3910         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3911         (dependency_between_pbbs_p): New.
3912         (lexicographically_gt_p): Assure !empty_p before polyhedron
3913         intersection assign.
3914         (build_lexicographically_gt_constraint): Correct lexicographically
3915         judging.
3916         * graphite-dependences.h: New.
3917         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3918
3919 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3920
3921         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3922         (gloog): Print to dump_file the generated clast.
3923         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3924         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3925
3926 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3927
3928         * graphite-poly.c (extend_scattering): Increment
3929         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3930
3931 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3932
3933         * graphite-interchange.c (compute_array_size_poly): Added exit of
3934         recursion condition.  Continue iterating even after the first equality.
3935         (compute_array_size): Same.
3936
3937 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3938
3939         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3940         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3941         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3942         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3943         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3944
3945 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3948         only when the use verifies is_gimple_reg.
3949
3950 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3951
3952         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3953         Allocate scaldims after call to unify_scattering_dimensions.
3954
3955 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3956
3957         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3958
3959 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3960             Albert Cohen  <albert.cohen@inria.fr>
3961
3962         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3963         variables for the strip mining.
3964
3965 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3966             Pranav Garg  <pranav.garg2107@gmail.com>
3967
3968         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3969         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3970         (graphite-blocking.o): New rule.
3971         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3972         * graphite-blocking.c: New.
3973         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3974         flag_loop_strip_mine.
3975         (psct_scattering_dim_for_loop_depth): New.
3976         * graphite-poly.h (scop_do_strip_mine): Declared.
3977         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3978         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3979         flag_loop_strip_mine.
3980
3981 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3984         a GMP value and a PPL coefficient at each iteration of a loop.
3985
3986 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3987
3988         * graphite-dependences.c (dependence_polyhedron): Do not use
3989         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3990         pbb_nb_scattering_transform.
3991         (graphite_legal_transform_dr): Same.
3992         * graphite-poly.c (extend_scattering): Same.
3993         (unify_scattering_dimensions): Same.
3994         (print_scattering_function): Same.
3995         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3996         PBB_NB_LOCAL_VARIABLES.
3997         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3998         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3999         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4000         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4001         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4002         (pbb_nb_scattering_transform): New.
4003         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4004         (psco_scattering_dim): Add assert on parameters.
4005         (psct_scattering_dim): Same.
4006         (psct_scattering_dim_for_loop_depth): Declared.
4007         (psct_local_var_dim): New.
4008         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4009         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4010         correct layout, call pbb_nb_local_vars.
4011         (psct_add_local_variable, psct_add_scattering_dimension): New.
4012         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4013         Initialize PBB_NB_SCATTERING_TRANSFORM.
4014
4015 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4016
4017         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4018         (set_coef): Renamed ppl_set_coef.
4019         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4020
4021 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4022
4023         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4024         test a boolean against 1.
4025         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4026         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4027         (pbb_do_interchange): Returns true when a transform has been performed.
4028         (scop_do_interchange): Same.
4029         * graphite-poly.c (apply_poly_transforms): Use the return value of
4030         scop_do_interchange.
4031         * graphite-poly.h (scop_do_interchange): Update declaration.
4032
4033 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4034
4035         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4036         after last use.
4037         * sese.c (sese_reset_aux_in_loops): New.
4038         * sese.h (sese_reset_aux_in_loops): New.
4039
4040 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4041
4042         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4043         multiplier and multiply the constant by the multiplier.
4044         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4045         (build_poly_dr): Do not use the multiplier to define the subscript.
4046
4047 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4048
4049         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4050         compiler's data reference.  Initialize PDR_CDR.
4051         (print_pdr): Call dump_data_reference.
4052         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4053         Add compiler_dr field.
4054         (PDR_BB): Renamed PDR_PBB.
4055         (PDR_CDR): New.
4056         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4057         GCC's data reference representation.
4058         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4059         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4060
4061 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4062
4063         * graphite-poly.c (print_scattering_function): Also print the layout.
4064         * graphite-poly.h (pbb_nb_local_vars): New.
4065
4066 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4067
4068         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4069
4070 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4071
4072         * graphite-poly.c (print_pdr, debug_pdr): New.
4073         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4074         (PDR_BASE): Removed.
4075
4076 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4077
4078         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4079         ltrans-{1..6,8}.c.
4080
4081 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4082
4083         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4084         subscript identification column.
4085         (pbb_do_interchange): Print to dump_file that some loops "will be
4086         interchanged".  Rely on that chain of characters in the testcases.
4087         * gcc.dg/graphite/interchange-0.c: New.
4088         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4089         interchange-*.c files and compile them with -floop-interchange.
4090
4091 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4092
4093         * graphite-interchange.c (interchange_profitable_p): Renamed
4094         pbb_interchange_profitable_p.
4095
4096 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4097             Harsha Jagasia  <harsha.jagasia@amd.com>
4098             Pranav Garg  <pranav.garg2107@gmail.com>
4099
4100         * graphite-interchange.c (interchange_profitable_p): Make static.
4101         (pbb_interchange_loop_depths, pbb_do_interchange,
4102         scop_do_interchange): New.
4103         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4104         for flag_loop_interchange.
4105         * graphite-poly.h (scop_do_interchange): Declared.
4106         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4107         flag_loop_interchange is used.
4108
4109 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4110
4111         * graphite-dependences.c (dependence_polyhedron): Update use of
4112         pbb_nb_scattering_dims.
4113         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4114         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4115         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4116         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4117
4118 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4119
4120         * graphite.c: Cleanup foo.
4121
4122 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4123
4124         * Merge from mainline (r143684:148293).
4125         * Disabled libpcp until it gets fixed.
4126
4127 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4128             Harsha Jagasia  <harsha.jagasia@amd.com>
4129
4130         * graphite-interchange.c: New.
4131         * Makefile.in (graphite-interchange.o): New.
4132         * graphite-poly.h (interchange_profitable_p): Declared.
4133         * graphite-ppl.h (value_max): New.
4134
4135 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4136
4137         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4138         * graphite-poly.h: Fix some comments.
4139         (pdr_dim): New.
4140         (pdr_scop): New.
4141
4142 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4143
4144         * graphite-poly.h
4145         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4146         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4147         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4148         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4149         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4150         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4151         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4152         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4153         * graphite-clast-to-gimple.c: Same.
4154         * graphite-dependences.c: Same.
4155         * graphite-poly.c: Same.
4156         * graphite-sese-to-poly.c: Same.
4157
4158 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4159
4160         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4161         expressions for an IV rename, as returned by clast_to_gcc_expression.
4162         (copy_renames): Rename new_name to expr.
4163         * sese.c (debug_rename_elt): Same.
4164         (get_rename): Same.
4165         (set_rename): Same.
4166         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4167         the information from the rename map.
4168         (rename_variables_in_stmt): Same.
4169         (add_loop_exit_phis): Rename new_name to expr.
4170         (insert_loop_close_phis): Same.
4171         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4172         * sese.h (struct rename_map_elt): Rename new_name to expr.
4173         (new_rename_map_elt): Same.
4174
4175 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4176
4177         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4178         * sese.c (set_rename): Make it extern.
4179         * sese.h (set_rename): Declared.
4180
4181 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4182
4183         * graphite-poly.c (extend_scattering): Free values.
4184         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4185         Free iterators.
4186         (ppl_print_powerset_matrix): Same.
4187         * graphite-scop-detection.c (free_scops_1): New.
4188         (limit_scops): Call free_scops_1.
4189         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4190         (build_poly_dr): Free PPL coefficients.
4191         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4192
4193 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4194
4195         * graphite-dependences.c: New.
4196         * graphite-data-ref.c: Removed.
4197         * graphite-data-ref.h: Removed.
4198         * Makefile.in (graphite-data-ref.o): Removed.
4199         (graphite-dependences.o): Added.
4200         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4201         * graphite-poly.c: Same.
4202         Move the data dependence testing to graphite-dependences.c.
4203
4204 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4205
4206         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4207         from graphite_cannot_represent_loop. Code refactored.
4208         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4209
4210 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4211
4212         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4213         Cover all the testcases (not only the filtered ones).
4214
4215 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4216
4217         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4218         unnecessary check. Update comments. Move check for REAL_TYPE here.
4219         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4220         done in (stmt_simple_for_scop_p).
4221
4222 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4223
4224         * graphite.c (print_global_statistics): New.
4225         (print_graphite_scop_statistic): New.
4226         (print_graphite_statistics): New.
4227         (graphite_initialize, graphite_transform_loops): Print statistics.
4228         * graphite-scop-detection (build_scops): Print statistics.
4229         (print_graphite_scop_statistics): New.
4230         (print_graphite_statistics): New.
4231
4232 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4233
4234         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4235         (debug_clast_name_index): Removed.
4236         (debug_clast_name_indexes_1): Removed.
4237         (debug_clast_name_indexes): Removed.
4238         (clast_name_index_elt_info): Removed.
4239         (eq_clast_name_indexes): Removed.
4240         (clast_name_to_index): Removed.
4241         (new_clast_name_index): Removed.
4242         (save_clast_name_index): Removed.
4243         (save_var_name): Moved...
4244         (init_sese_params_index): Removed.
4245         (clast_name_to_gcc): Remove use of name_tree.
4246         (initialize_cloog_names): Same.
4247         (gloog): Do not call init_sese_params_index.
4248         * graphite-sese-to-poly.c (save_var_name): ...here.
4249         (parameter_index_in_region): New.
4250         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4251         (parameter_index_in_region): Removed.
4252         (is_parameter): Remove use of name_tree.
4253         * sese.h (struct name_tree): Removed.
4254         (struct sese): Remove use of name_tree.  New field params_names.
4255         (SESE_PARAMS_NAMES): New.
4256         (SESE_PARAMS): Remove duplicate.
4257         (parameter_index_in_region): Removed.
4258         (sese_nb_params): Remove use of name_tree.
4259         (struct clast_name_index): New.
4260         (new_clast_name_index): New.
4261         (clast_name_to_index): New.
4262         (save_clast_name_index): New.
4263         (debug_clast_name_index): New.
4264         (debug_clast_name_indexes_1): New.
4265         (debug_clast_name_indexes): New.
4266         (clast_name_index_elt_info): New.
4267         (eq_clast_name_indexes): New.
4268
4269 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4270
4271         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4272         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4273         (graphite_loop_normal_form): Do not pass region.  Do not
4274         initialize SESE_OLDIVS.
4275         (build_graphite_loop_normal_form): Update call to
4276         graphite_loop_normal_form.
4277         * sese.c (debug_oldivs): Removed.
4278         (new_sese): Do not initialize SESE_OLDIVS.
4279         (free_sese): Do not free SESE_OLDIVS.
4280         (oldiv_for_loop): Removed.
4281         * sese.h (struct sese): Remove old_ivs.
4282         (SESE_OLDIVS): Removed.
4283         (oldiv_for_loop): Removed.
4284
4285 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4286
4287         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4288         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4289         replaced by a call to newivs_to_depth_to_newiv.
4290         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4291         (clast_to_gcc_expression_red): Same.
4292         (gcc_type_for_clast_expr): Same.
4293         (gcc_type_for_clast_eq): Same.
4294         (graphite_translate_clast_equation): Same.
4295         (graphite_create_guard_cond_expr): Same.
4296         (graphite_create_new_guard): Same.
4297         (graphite_create_new_loop): Same.
4298         (build_iv_mapping): Same.
4299         (translate_clast): Same.
4300         (gloog): Same.
4301         (loop_iv_stack_patch_for_consts): Removed.  *
4302         sese.c (iv_stack_entry_is_constant): Removed.
4303         (iv_stack_entry_is_iv): Removed.
4304         (loop_iv_stack_push_iv): Removed.
4305         (loop_iv_stack_insert_constant): Removed.
4306         (loop_iv_stack_pop): Removed.
4307         (loop_iv_stack_get_iv): Removed.
4308         (loop_iv_stack_get_iv_from_name): Removed.
4309         (debug_loop_iv_stack): Removed.
4310         (free_loop_iv_stack): Removed.
4311         (loop_iv_stack_remove_constants): Removed.  *
4312         sese.h (iv_stack_entry_kind): Removed.
4313         (iv_stack_entry_data_union): Removed.
4314         (iv_stack_entry_struct): Removed.
4315         (iv_stack_entry_p): Removed.
4316         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4317         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4318         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4319         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4320         (gbb_loop_at_index): Fix indenting.
4321         (gbb_loop_index): Removed.
4322
4323 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4324
4325         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4326         Call clast_name_to_index.
4327
4328 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4329
4330         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4331         do not pass params.  Get params from SESE_PARAMS.
4332         (clast_to_gcc_expression): Same.
4333         (clast_to_gcc_expression_red): Same.
4334         (gcc_type_for_clast_eq): Same.
4335         (graphite_translate_clast_equation): Same.
4336         (graphite_create_new_loop): Same.
4337         * sese.c (rename_variables_in_stmt): Fix comment.
4338
4339 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4340
4341         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4342         newivs_index.
4343         Call save_clast_name_index.
4344         (translate_clast): Pass newivs_index.
4345         (gloog): Create and free newivs_index.
4346
4347 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4348
4349         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4350         (clast_name_index_p): New type.
4351         (debug_clast_name_index): New.
4352         (debug_clast_name_indexes_1): New.
4353         (debug_clast_name_indexes): New.
4354         (clast_name_index_elt_info): New.
4355         (eq_clast_name_indexes): New.
4356         (clast_name_to_index): New.
4357         (new_clast_name_index): New.
4358         (save_clast_name_index): New.
4359         (init_sese_params_index): New.
4360         (gloog): Call init_sese_params_index.
4361         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4362         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4363         (free_sese): Free SESE_PARAMS_INDEX.
4364         * sese.h (struct sese): Add params_index.
4365         (SESE_PARAMS_INDEX): New.
4366
4367 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4368
4369         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4370         (graphite_create_new_loop): Pass the newivs vector.  Push the
4371         newly created IV to newivs.
4372         (translate_clast): Pass the newivs vector.
4373         (gloog): Create and destroy the newivs vector.
4374
4375 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4376
4377         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4378         (graphite_loop_normal_form): Initialize loop->aux with the unique
4379         IV that has been created.
4380
4381 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4382
4383         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4384         scev with parameters in the base part. They where forbidden
4385         exidently.
4386
4387 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4388
4389         * gcc.dg/graphite/graphite.exp: Set different default
4390         compile options by file names.
4391         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4392         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4393         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4394         * gcc.dg/graphite/scop-matmult.c: Ditto.
4395
4396 2009-05-08  Li Feng <nemokingdom@gmail.com>
4397
4398         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4399         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4400         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4401         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4402
4403 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4404
4405         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4406         by final cleanup.
4407
4408 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4409
4410         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4411         allow integer constant strides.
4412         (graphite_can_represent_expr): Depend on outermost_loop.
4413         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4414         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4415         build_scops_1): Same.
4416         (scopdet_basic_block_info): Same and insert layered SCoP
4417         detection.
4418         (try_generate_gimple_bb): Cleanup.
4419         (build_scops): Enable data references.
4420
4421         * gcc.dg/graphite/id-5.c: New.
4422         * gcc.dg/graphite/id-9.c: New.
4423         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4424         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4425
4426 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4427
4428         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4429         that we have not yet built for this SCoP.
4430
4431 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4432
4433         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4434         for complex numbers.
4435
4436 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4437
4438         * graphite-ppl.c: Fix build if cloog is not available.
4439
4440 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4441
4442         * tree-parloops.c (loop_parallel_p): Remove construction of
4443         NITER and REDUCTION_LIST.
4444         (try_get_loop_niter): New.
4445         (try_create_reduction_list): New.
4446         (parallelize_loops): Bypass the failed checkings in autopar
4447         when can_be_parallel in loop structure is set to true.
4448
4449 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4450
4451         * gcc.dg/graphite/id-6.c: Update testcase.
4452         * gcc.dg/graphite/scop-3.c: Dito.
4453
4454 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4455
4456         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4457         Enable EQ_EXPR and NE_EXPR again.
4458
4459 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4460
4461         * graphite-scop-detection.c (graphite_can_represent_scev):
4462         Add check if scev is affine multivariate.
4463         (harmful_stmt_in_bb): Check if we can represent the conditions.
4464         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4465         harmful_stmt_in_bb.
4466         * gcc.dg/graphite/id-7.c: New.
4467
4468 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4469
4470         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4471         Check all bbs in region, not only the bbs that are represented in
4472         GRAPHITE.
4473         (build_poly_scop): Add newline.
4474         * gcc.dg/graphite/id-8.c: New.
4475
4476 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4477
4478         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4479         when loop initialize.
4480         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4481         * common.opt: Declare flag_graphite_force_parallel.
4482         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4483         loop parallel.
4484         * graphite-poly.c (apply_poly_transforms): Introduce
4485         flag_graphite_force_parallel.
4486         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4487         * toplev.c (process_options): ditto and replace a not correctly
4488         encoded space.
4489
4490 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4491
4492         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4493         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4494         to the redefinition.
4495         (compute_cloog_iv_types_1): ditto.
4496         (build_iv_mapping): ditto.
4497         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4498         initialization.
4499         (free_gimple_bb): Removed GBB_LOOPS related free part.
4500         (build_bb_loops): Removed.
4501         * sese.h (struct gimple_bb): Removed loops.
4502         (GBB_LOOPS): Removed.
4503         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4504         (gbb_loop_index): ditto.
4505
4506 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4507
4508         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4509         allow non constant strides.
4510         * gcc.dg/graphite/scop-20.c: New.
4511
4512 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4513
4514         * graphite-scop-detection.c (dot_all_scops): Fix system call
4515         return value warning.
4516         (dot_scop): Same.
4517
4518 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4519
4520         * gcc.dg/graphite/id-6.c: Fix pattern.
4521         * gcc.dg/graphite/scop-3.c: Same.
4522
4523 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4524
4525         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4526         build_pairwise_constraint, dr_equality_constraints,
4527         build_pairwise_scheduling_equality,
4528         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4529         build_lexicographically_gt_constraint, dependence_polyhedron,
4530         graphite_legal_transform_dr, graphite_legal_transform_bb,
4531         graphite_legal_transform): New.
4532         * graphite-poly.h (graphite_legal_transform): Declared.
4533         * graphite-sese-to-poly.c (build_poly_scop): Call to
4534         graphite_legal_transform is disabled for the moment.
4535
4536 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4537
4538         * graphite-poly.h (pbb_nb_scattering_dims): New.
4539         (pbb_nb_scattering): Use it.
4540
4541 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4542
4543         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4544         Pointset_Powerset version of ppl_insert_dimensions.
4545         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4546
4547 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4548
4549         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4550
4551 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4552
4553         * graphite-poly.h: Fix comment.
4554
4555 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4556
4557         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4558
4559 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4560
4561         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4562         statements.
4563
4564 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4565
4566         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4567         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4568         conditions.
4569
4570 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4571
4572         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4573         handle EQ_EXPR and NE_EXPR.
4574
4575 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4576
4577         * graphite-poly.h (poly_dr): Fix comment.
4578
4579 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4580             Tobias Grosser  <grosser@fim.uni-passau.de>
4581
4582         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4583         with a zero dimension polyhedron.
4584         (find_scop_parameters): Move the call to scop_set_nb_params here.
4585         (build_loop_iteration_domains): Store in loop->aux the iteration
4586         domain polyhedron.
4587         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4588         by any loop in scop.
4589         (build_poly_scop): Do not call scop_set_nb_params.
4590
4591 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4592             Tobias Grosser  <grosser@fim.uni-passau.de>
4593
4594         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4595         add_condition_to_domain not GT_EXPR.
4596
4597 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4598
4599         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4600         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4601         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4602         upper_bound_assign to calculate unions.
4603         * gcc.dg/graphite/id-6.c: New.
4604
4605 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4606
4607         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4608         handle abnormal edges.
4609
4610 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4611
4612         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4613         (free_poly_bb): Also free poly_drs.
4614         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4615         (poly_dr): Polyhedron to Pointset_Powerset.
4616         (pdr_accessp_nb_subscripts): Same.
4617         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4618         poly_drs.
4619
4620 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4621
4622         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4623         names into more meaningful names.
4624
4625 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4626
4627         * gfortran.dg/graphite/interchange-1.c: New.
4628         * gfortran.dg/graphite/interchange-2.c: New.
4629
4630 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4631
4632         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4633         the reduction_list.
4634         * tree-parloops.c (rewrite_phi_with_iv): New.
4635         (rewrite_all_phi_nodes_with_iv): New.
4636         (canonicalize_loop_ivs): Call them.
4637
4638 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4639
4640         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4641         graphite_find_data_references_in_stmt.
4642         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4643         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4644
4645 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4646
4647         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4648
4649 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4650
4651         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4652         instead of bb_in_region.
4653         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4654         (build_sese_conditions): Use flag_bb_in_sese.
4655         * sese.c (register_bb_in_sese): Removed.
4656         (new_sese): Remove initialization of SESE_REGION_BBS.
4657         (free_sese): Do not free SESE_REGION_BBS.
4658         * sese.h (struct sese): Remove field region_basic_blocks.
4659         (SESE_REGION_BBS): Removed.
4660         (bb_in_sese_p): Implement in function of bb_in_region.
4661
4662 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4663
4664         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4665         loops.
4666
4667 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4668
4669         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4670         and EQ_EXPR.
4671         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4672         (add_condition_to_domain): New.
4673         (add_condition_to_pbb): New.
4674         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4675         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4676
4677 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4678
4679         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4680         ppl_Pointset_Powerset.
4681         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4682         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4683         (pbb_nb_loops): Same.
4684         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4685         add_conditions_to_domain): Same.
4686         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4687         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4688         ppl_const_Polyhedron_t.
4689         (ppl_print_powerset_matrix): New.
4690         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4691         ppl_print_powerset_matrix): New.
4692         (ppl_print_polyhedron_matrix): Updated.
4693
4694 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4697
4698 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4699
4700         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4701         (print_iteration_domains, debug_iteration_domain,
4702         debug_iteration_domains): New.
4703         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4704         debug_iteration_domains): Declared.
4705         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4706         indenting.
4707
4708 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4709             Sebastian Pop  <sebastian.pop@amd.com>
4710
4711         * graphite-poly.h (print_iteration_domain): New.
4712         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4713         (build_sese_conditions_1, build_sese_conditions_after,
4714         build_sese_conditions_before): New.
4715         (build_sese_conditions): Rewritten.
4716
4717 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4718             Tobias Grosser  <grosser@fim.uni-passau.de>
4719
4720         Cleanup of code generation liveouts.
4721         * graphite-clast-to-gimple.c (translate_clast): Use a single
4722         rename_map instead of one per translated statement.
4723         Do not use SESE_LIVEOUT_RENAMES.
4724         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4725         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4726         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4727         phi node of a reduction: when a loop contains a reduction used outside
4728         the loop, there should be a scalar close phi node on the exit block.
4729         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4730         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4731         (free_sese): Do not free them.
4732         (sese_build_liveouts_use): Do not use them.
4733         (sese_build_liveouts_bb): Same.
4734         (sese_build_liveouts): Same.
4735         (sese_insert_phis_for_liveouts): Same.
4736         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4737         (defined_in_loop_p): New.
4738         (alive_after_loop): New.
4739         (close_phi_not_yet_inserted_p): New.
4740         (struct alep, alep_p): New.
4741         (add_loop_exit_phis): Remove from the rename_map all the names defined
4742         in the code generated loop.
4743         (insert_loop_close_phis): Traverse the rename_map passed to it.
4744         Don't use SESE_LIVEOUT_RENAMES.
4745         (default_liveout_before_guard): Renamed default_before_guard.
4746         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4747         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4748         (register_sese_liveout_renames): Removed.
4749         (copy_bb_and_scalar_dependences): Do not call it.
4750         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4751         reduction_list.
4752         (SESE_LIVEOUT): Removed.
4753         (SESE_LIVEOUT_RENAMES): Removed.
4754         (SESE_REDUCTION_LIST): Removed.
4755         (sese_build_liveouts): Removed.
4756         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4757         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4758         (insert_guard_phis): Same.
4759         (rename_map_elt): Declare a VEC of them.
4760         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4761         trees not pointers to trees.
4762
4763         Rewrite in canonical close SSA form:
4764         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4765         (limit_scops): Close the scop after the block containing the close phi
4766         nodes.
4767         (canonicalize_loop_closed_ssa): New.
4768         (canonicalize_loop_closed_ssa_form): New.
4769         (build_scops): Call canonicalize_loop_closed_ssa_form.
4770
4771         * graphite-sese-to-poly.c: Fix typos.
4772
4773 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4774
4775         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4776         Extended.
4777         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4778         (print_pbb): Add conditions.
4779
4780 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4781             Sebastian Pop  <sebastian.pop@amd.com>
4782
4783         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4784         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4785         (build_scop_bbs_1): New.
4786         (build_scop_bbs): Rewrite.
4787         * sese.h (bb_in_region): New.
4788
4789 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4790
4791         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4792         poly_drs vector.
4793         (print_scop): Style.
4794         * graphite-poly.h (poly_bb): Add drs vector.
4795         (PBB_DRS): Add accessor.
4796         * graphite-sese-to-poly.c (build_poly_dr): New.
4797         (build_pbb_drs, build_scop_drs): New.
4798         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4799
4800 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4801
4802         * tree-ssa-loop.c: Include forgotten toplev.h
4803
4804 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4805
4806         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4807         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4808         * gcc.dg/graphite/pr37928.c: Same
4809         * gcc.dg/graphite/pr38409.c: Same
4810         * gcc.dg/graphite/pr38498.c: Same
4811         * gcc.dg/graphite/pr38559.c: Same
4812         * gcc.dg/graphite/pr39335.c: Same
4813         * gcc.dg/graphite/pr39335_1.c: Same
4814         * gfortran.dg/graphite/block-2.f: Same
4815         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4816         with -floop-*.
4817
4818 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4819
4820         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4821         build_access_matrix, build_scop_data_accesses): Remove access function
4822         building. (We get a new version soon).
4823         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4824         * sese.h (nb_loops_around_loop_in_sese): Remove.
4825         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4826
4827 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4828             Sebastian Pop  <sebastian.pop@amd.com>
4829
4830         * graphite-scop-detection.c (struct scopdet_info): Rename last
4831         field to exit.
4832         (scopdet_basic_block_info, build_scops_1): Don't use
4833         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4834
4835 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4836             Sebastian Pop  <sebastian.pop@amd.com>
4837
4838         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4839         * sese.c (sese_build_liveouts_use): Renamed from
4840         sese_build_livein_liveouts_use. Remove liveins.
4841         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4842         Call sese_build_liveouts_use.
4843         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4844         Call sese_build_liveouts_bb.
4845         (new_sese, free_sese): Remove liveins.
4846         (sese_add_exit_phis_var): Deleted.
4847         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4848         directly.
4849         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4850
4851         * sese.h (sese): Remove num_ver and livein.
4852         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4853
4854 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4855
4856         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4857
4858 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4859
4860         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4861         (build_scop_scattering): Do not use compare_prefix_loops any more.
4862         (nb_common_loops): New.
4863
4864 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4865
4866         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4867         (register_old_and_new_names): Renamed set_rename.
4868
4869 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4870
4871         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4872         of the decl from the previous commit.
4873
4874 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4875
4876         * graphite-scop-detection.c (dot_scop): New.
4877         * graphite-scop-detection.h (dot_scop): Declared.
4878
4879 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4880
4881         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4882
4883 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4884
4885         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4886         condition at the end of the loop.
4887         * graphite.c (graphite_initialize, graphite_finalize): Print to
4888         dump_file the compiled function.
4889         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4890         of create_empty_loop_on_edge.
4891         (translate_clast): Update the code generation of loops for the new
4892         shape of loops.
4893         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4894
4895 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4896
4897         Reverted the patch from 2009-03-19.
4898
4899 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4900
4901         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4902         poly_drs vector.
4903         (print_scop): Style.
4904         * graphite-poly.h (poly_bb): Add drs vector.
4905         (PBB_DRS): Add accessor.
4906         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4907         (build_access_matrix_with_af, build_access_matrix,
4908         build_scop_data_accesses): Delete.
4909         (build_poly_dr): New.
4910         (build_pbb_drs, build_scop_drs): New.
4911         (build_poly_scop): call build_scop_drs.
4912
4913 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4914
4915         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4916         once per basic block.
4917
4918 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4919
4920         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4921         (graphite_can_represent_expr): Renamed from loop_affine_expr
4922         and enhanced.
4923         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4924         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4925         (scopdet_basic_block_info): Actually define entry_block.
4926         (stmt_simple_memref_p): Moved here from ...
4927
4928         * tree-data-ref.c (stmt_simple_memref_p): here.
4929         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4930
4931 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4932
4933         * gcc.dg/graphite/id-4.c: New.
4934
4935 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4936
4937         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4938         (register_old_and_new_names): Update the content of the map.
4939         When there was already a rename_map_elt in the map at that
4940         location, free it.
4941         (copy_bb_and_scalar_dependences): Do rename_variables after
4942         expand_scalar_variables.
4943         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4944         of the map.  When there was already a rename_map_elt in the
4945         map at that location, free it.
4946         (translate_clast): Pass the rename_map.  Do not initialize and free
4947         a rename_map per stmt_user.
4948         (gloog): Initialize and free one rename_map and pass it to
4949         translate_clast.
4950
4951 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4952
4953         * sese.c (expand_scalar_variables_stmt,
4954         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4955         parameter.
4956         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4957         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4958         the gimple_stmt_iterator of the statement to be expanded.
4959         * graphite-scop-detection.c (is_simple_operand): Do handle
4960         REALPART_EXPR.
4961
4962 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4963
4964         * graphite-scop-detection.c (is_simple_operand): Do not handle
4965         REALPART_EXPR.
4966         * gcc.dg/graphite/id-2.c: New.
4967
4968         * graphite-sese-to-poly.c (build_bb_loops,
4969         add_value_to_dim, scan_tree_for_params_right_scev,
4970         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4971         find_params_in_bb, build_loop_iteration_domains,
4972         add_conditions_to_domain): Remove subtract.
4973
4974 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4975
4976         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4977         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4978         pbb_loop_at_index -> gbb_loop_at_index.
4979         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4980         (debug_loop_vec): Delete.
4981         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4982         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4983         (PBB_LOOPS): Removed.
4984         (PBB_BLACK_BOX): Insert cast.
4985         (pbb_set_black_box): New setter.
4986         (pbb_loop_at_index, pbb_loop_index): Removed.
4987         (scop_set_region, scop_set_nb_params): New.
4988         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4989         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4990         (build_poly_scop): Use scop_set_nb_params.
4991         * sese.h (gimple_bb): Add LOOPS.
4992         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4993
4994 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4995
4996         Revert previous commit.
4997
4998 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4999
5000         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5001         (register_old_and_new_names): Update the content of the map.
5002         When there was already a rename_map_elt in the map at that
5003         location, free it.
5004         (copy_bb_and_scalar_dependences): Do rename_variables after
5005         expand_scalar_variables.
5006         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5007         of the map.  When there was already a rename_map_elt in the
5008         map at that location, free it.
5009         (translate_clast): Pass the rename_map.  Do not initialize and free
5010         a rename_map per stmt_user.
5011         (gloog): Initialize and free one rename_map and pass it to
5012         translate_clast.
5013
5014 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5015
5016         Remove forgotten line in revert.
5017
5018 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5019
5020         Revert previous commit.
5021
5022 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5023
5024         * sese.c (register_old_and_new_names): Update the content
5025         of the map.  When there was already a rename_map_elt in the
5026         map at that location, free it.
5027         (copy_bb_and_scalar_dependences): Do rename_variables after
5028         expand_scalar_variables.
5029         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5030         of the map.  When there was already a rename_map_elt in the
5031         map at that location, free it.
5032         (translate_clast): Pass the rename_map.  Do not initialize and free
5033         a rename_map per stmt_user.
5034         (gloog): Initialize and free one rename_map and pass it to
5035         translate_clast.
5036
5037 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5038
5039         * graphite-clast-to-gimple.c (translate_clast): context_loop
5040         is never NULL.
5041
5042 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5043             Sebastian Pop  <sebastian.pop@amd.com>
5044
5045         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5046         of the use of ppl_Polyhedron_map_space_dimensions.
5047
5048 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5049             Sebastian Pop  <sebastian.pop@amd.com>
5050
5051         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5052         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5053         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5054         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5055         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5056         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5057         pbb_nb_params): New.
5058         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5059         nb_loops_around_pbb): Adapt return types.
5060
5061 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5062
5063         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5064         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5065         graphite-scop-detection.o, graphite-poly.o): Add
5066         more headers.
5067
5068 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5069
5070         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5071         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5072         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5073
5074 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5075
5076         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5077         * gcc.dg/graphite/pr37828.c: Same.
5078         * gcc.dg/graphite/pr37684.c: Same.
5079         * gcc.dg/graphite/block-0.c: Same.
5080         * gcc.dg/graphite/block-1.c: Same.
5081         * gcc.dg/graphite/block-2.c: Same.
5082         * gcc.dg/graphite/block-3.c: Same.
5083         * gcc.dg/graphite/block-4.c: Same.
5084         * gcc.dg/graphite/block-5.c: Same.
5085         * gcc.dg/graphite/block-6.c: Same.
5086         * gfortran.dg/graphite/pr38083.f90: Same.
5087         * gfortran.dg/graphite/block-1.f90: Same.
5088         * gfortran.dg/graphite/block-3.f90: Same.
5089         * gfortran.dg/graphite/pr37852.f90: Same.
5090         * gfortran.dg/graphite/block-4.f90: Same.
5091         * gfortran.dg/graphite/pr37980.f90: Same.
5092         * gfortran.dg/graphite/pr38953.f90: Same.
5093         * gfortran.dg/graphite/pr37857.f90: Same.
5094         * opts.c: Remove -floop-block from -O2.
5095         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5096         -floop-strip-mine are used.
5097
5098 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5099             Sebastian Pop  <sebastian.pop@amd.com>
5100
5101         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5102         dimensions.
5103         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5104         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5105         strip_mine_profitable_p, is_interchange_valid,
5106         graphite_trans_bb_block, graphite_trans_loop_block,
5107         graphite_trans_scop_block): Temporary removed.
5108         (extend_scattering, unify_scattering_dimensions): New.
5109         (print_scattering_function, graphite_read_transforms):
5110         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5111         (graphite_generate_scattering_fns): Removed.
5112         (apply_poly_transforms): Cleanup.
5113         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5114         (schedule_to_scattering): Moved.
5115         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5116         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5117         (pbb_nb_scattering): New.
5118         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5119         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5120         Removed.
5121         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5122         shift_poly.
5123         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5124         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5125         -> PBB_TRANSFORMED_SCATTERING.
5126         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5127         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5128         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5129         (check_poly_representation): Do not return bool.
5130         (graphite_transform_loops): Reformat.
5131         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5132
5133 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5134
5135         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5136         debug_pbb_domain, debug_pbb, debug_scop): New.
5137         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5138         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5139
5140 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5141
5142         PR middle-end/39335
5143         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5144         when the type precision of the induction variable should be
5145         larger than the type precision of nit.
5146         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5147         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5148         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5149
5150         * gcc.dg/graphite/pr39335_1.c: New.
5151         * gcc.dg/graphite/pr39335.c: New.
5152
5153 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5154
5155         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5156         SSA_NAMES not struct reduction_info.
5157
5158 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5159
5160         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5161
5162 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5163             Tobias Grosser  <grosser@fim.uni-passau.de>
5164
5165         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5166         (free_sese): Free SESE_REDUCTION_LIST.
5167         * sese.h (struct sese): Add field reduction_list.
5168         (SESE_REDUCTION_LIST): New.
5169         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5170         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5171
5172 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5173             Tobias Grosser  <grosser@fim.uni-passau.de>
5174
5175         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5176         of loop_p.
5177
5178 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5179             Tobias Grosser  <grosser@fim.uni-passau.de>
5180
5181         * tree-parloops.c (struct brli, build_reduction_list_info,
5182         analyze_reduction_list, gather_scalar_reductions): New.
5183         (loop_parallel_p): Build a reduction list containing only
5184         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5185         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5186         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5187         * tree-flow.h (gather_scalar_reductions): Declared.
5188
5189 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5190
5191         PR middle-end/39308
5192         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5193         number_of_iterations_exit from a gcc_assert.
5194
5195 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5196             Jan Sjodin  <jan.sjodin@amd.com>
5197
5198         * output.h (graphite_out_file, graphite_in_file): Declared.
5199         * toplev.c (graphite_out_file, graphite_in_file): New.
5200         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5201         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5202         Don't call schedule_to_scattering.
5203         * common.opt (fgraphite-write, fgraphite-read): New.
5204         * graphite-poly.c: Include output.h.
5205         (print_scattering_function, print_scattering_functions,
5206         debug_scattering_function, debug_scattering_functions,
5207         graphite_write_transforms, graphite_read_transforms,
5208         graphite_generate_scattering_fns): New.
5209         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5210         Call graphite_generate_scattering_fns, graphite_write_transforms,
5211         graphite_read_transforms.
5212         (new_poly_bb): Initialize PBB_SCATTERING.
5213         (free_poly_bb): Free PBB_SCATTERING.
5214         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5215         * graphite-poly.h (struct poly_bb): Add field scattering.
5216         (PBB_SCATTERING): New.
5217         (print_scattering_function, print_scattering_functions,
5218         debug_scattering_function, debug_scattering_functions): Declared.
5219         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5220         GMP values, not integers!
5221         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5222         ppl_read_polyhedron_matrix): New.
5223         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5224         debug_ppl_polyhedron_matrix,
5225         ppl_read_polyhedron_matrix): Declared.
5226         * Makefile.in (graphite-poly.o): Depends on output.h.
5227
5228 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5229             Tobias Grosser  <grosser@fim.uni-passau.de>
5230
5231         Revert this change:
5232         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5233         scalar evolutions in the scop_entry->loop_father.
5234
5235 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5236             Tobias Grosser  <grosser@fim.uni-passau.de>
5237
5238         * graphite.h (ref_nb_loops): Remove declaration.
5239         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5240         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5241         debug_gbb): Moved to sese.h.
5242         * sese.h: As said.
5243
5244 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5245             Tobias Grosser  <grosser@fim.uni-passau.de>
5246
5247         * graphite-data-ref.[ch]: Disable.
5248
5249 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5250             Tobias Grosser  <grosser@fim.uni-passau.de>
5251
5252         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5253         scalar evolutions in the scop_entry->loop_father.
5254
5255 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5256
5257         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5258         (graphite_cannot_represent_loop_niter): Renamed
5259         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5260         (limit_scops): build_sese_loop_nests does not return a bool.
5261         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5262         * sese.c (nb_reductions_in_loop): ... from here.
5263         (graphite_loop_normal_form): ... from here.
5264         (sese_record_loop): Does not fail, so does not return a bool.
5265         (build_sese_loop_nests): Same.
5266         * sese.h (build_sese_loop_nests): Update declaration.
5267         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5268         (build_graphite_loop_normal_form): New.
5269         (gloog): Call build_graphite_loop_normal_form.
5270         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5271         build_sese_loop_nests.
5272
5273         * gcc.dg/graphite/id-1.c: New.
5274
5275 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5276             Tobias Grosser  <grosser@fim.uni-passau.de>
5277
5278         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5279         The SCoP detection fix is sufficient.
5280
5281 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5282
5283         PR tree-optimization/39260
5284         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5285         the basic block contains a condition with a real type.
5286         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5287
5288         * gcc.dg/graphite/pr39260.c: New.
5289
5290 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5291
5292         * graphite-poly.c: Inlcude params.h.
5293         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5294         the size of a tile.
5295         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5296         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5297
5298 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5299             Tobias Grosser  <grosser@fim.uni-passau.de>
5300
5301         * graphite-scop-detection.c (dot_all_scops_1,
5302         dot_all_scops): Moved here.
5303         * graphite-scop-detection.h (dot_all_scops): Declared here.
5304         * graphite.c (graphite_initialize, graphite_finalize): New.
5305         (graphite_transform_loops): Cleaned up.
5306         * sese.c (debug_oldivs): Moved here.
5307         * graphite-poly.c (graphite_apply_transformations): Renamed
5308         apply_poly_transforms.
5309         (debug_loop_vec): Moved here.
5310         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5311         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5312         find_scop_parameters, build_scop_iteration_domain,
5313         add_conditions_to_constraints, build_scop_canonical_schedules,
5314         build_scop_data_accesses): Now static.
5315         (build_poly_scop, check_poly_representation): New.
5316
5317 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5318
5319         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5320         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5321         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5322         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5323         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5324         scan_tree_for_params, struct irp_data, dx_record_params,
5325         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5326         build_loop_iteration_domains, add_conditions_to_domain,
5327         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5328         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5329         build_sese_conditions, add_conditions_to_constraints,
5330         build_scop_iteration_domain, build_access_matrix_with_af,
5331         build_access_matrix,
5332         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5333
5334         * graphite-sese-to-poly.c: New.
5335         * graphite-sese-to-poly.h: New.
5336
5337         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5338
5339 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5340
5341         * graphite.c: Split graphite code generation to a new file.
5342         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5343         max_precision_type, clast_to_gcc_expression_red,
5344         clast_to_gcc_expression, gcc_type_for_clast_expr,
5345         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5346         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5347         graphite_create_new_guard, clast_get_body_of_loop,
5348         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5349         graphite_create_new_loop, build_iv_mapping, copy_renames,
5350         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5351         compute_cloog_iv_types, free_scattering, save_var_name,
5352         initialize_cloog_names, build_scop_context, build_cloog_prog,
5353         set_cloog_options, debug_clast_stmt, scop_to_clast,
5354         print_generated_program, debug_generated_program,
5355         gloog): Moved to graphite-clast-to-gimple.c.
5356
5357         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5358
5359         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5360         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5361         loop_iv_stack_pop, loop_iv_stack_get_iv,
5362         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5363         free_loop_iv_stack, loop_iv_stack_remove_constants,
5364         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5365         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5366         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5367         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5368         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5369         get_vdef_before_sese, sese_adjust_vphi,
5370         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5371         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5372         is_iv, expand_scalar_variables_ssa_name,
5373         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5374         expand_scalar_variables, rename_variables, remove_condition,
5375         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5376         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5377         default_liveout_before_guard, add_guard_exit_phis,
5378         insert_guard_phis, register_old_and_new_names,
5379         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5380         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5381         if_region_set_false_region, create_if_region_on_edge,
5382         move_sese_in_condition): Moved to sese.c.
5383
5384         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5385         if_region_exit, if_region_get_condition_block,
5386         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5387         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5388         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5389         ivtype_map_elt, new_ivtype_map_elt,
5390         recompute_all_dominators): Moved to sese.h.
5391
5392         * graphite-clast-to-gimple.c: New.
5393         * graphite-clast-to-gimple.h: New.
5394         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5395         * sese.c: Modified as said above.
5396         * sese.h: Same.
5397
5398 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5399
5400         * graphite.c: Split scop detection to a new file.
5401         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5402         move_sd_regions, loop_affine_expr, exclude_component_ref,
5403         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5404         graphite_cannot_represent_loop_niter, struct scopdet_info,
5405         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5406         find_single_entry_edge, find_single_exit_edge,
5407         create_single_entry_edge, sd_region_without_exit,
5408         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5409         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5410         Moved to graphite-scop-detection.c.
5411
5412         * graphite-scop-detection.c: New.
5413         * graphite-scop-detection.h: New.
5414         * Makefile.in: Add new rule for graphite-scop-detection.o.
5415
5416         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5417         tree-scalar-evolution.h.
5418         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5419         build_sese_loop_nests): Moved here from graphite.c.
5420         (param_index): Renamed parameter_index_in_region.
5421
5422 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5423             Sebastian Pop  <sebastian.pop@amd.com>
5424
5425         * gcc.dg/graphite/block-0.c: Expected to fail now.
5426         * gcc.dg/graphite/block-1.c: Same.
5427         * gcc.dg/graphite/block-5.c: Same.
5428         * gcc.dg/graphite/block-6.c: Same.
5429
5430 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5431             Sebastian Pop  <sebastian.pop@amd.com>
5432
5433         * graphite.h: Separate from graphite_bb_p the polyhedral
5434         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5435         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5436         graphite-data-ref.h.
5437         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5438         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5439         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5440         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5441         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5442         scop_nb_params): Moved to graphite-poly.h.
5443         * graphite-data-ref.c: Same.
5444         * graphite-data-ref.h: New.
5445         * graphite.c: Same.
5446         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5447         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5448         is_interchange_valid, graphite_trans_bb_block,
5449         graphite_trans_loop_block, scop_max_loop_depth,
5450         graphite_trans_scop_block, graphite_apply_transformations,
5451         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5452         graphite-poly.c.
5453         * graphite-poly.h: New.
5454         * graphite-poly.c: New.
5455         * Makefile.in (OBJS-common): Add graphite-poly.o.
5456         (graphite-poly.o): New rule.
5457         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5458         (DR_SCOP): Removed.
5459
5460 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5461             Tobias Grosser  <grosser@fim.uni-passau.de>
5462
5463         * graphite.c: Replace gb -> gbb.
5464         * graphite.h: Same.
5465         * graphite-data-ref.c: Same.
5466
5467 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5468             Tobias Grosser  <grosser@fim.uni-passau.de>
5469
5470         * Makefile.in (OBJS-commmon): Add sese.o.
5471         (sese.o): New.
5472         (graphite.o): Add sese.h.
5473         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5474         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5475         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5476         Move to sese.
5477         (block_before_scop): Add missing return.
5478         (new_scop, free_scop): Remove SESE data structures.
5479         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5480         find_scop_parameters, build_loop_iteration_domains,
5481         add_conditions_to_domain, register_scop_liveout_renames,
5482         copy_bb_and_scalar_dependences): Scop -> SESE.
5483
5484         (add_conditions_to_domain): SCoP -> SESE and remove check
5485         (scop_contains_non_iv_scalar_phi_nodes): New.
5486         (build_scop_conditions_1, build_scop_conditions): Remove check for
5487         non iv scalar phi nodes.
5488         (print_scop_statistics): New.
5489         (graphite_transform_loops): Cleanup.
5490
5491         * graphite.h: Move to sese & cleanup.
5492         * sese.c: New.
5493         * sese.h: New.
5494
5495 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5496             Tobias Grosser  <grosser@fim.uni-passau.de>
5497
5498         * graphite.c (build_scop_conditions_1): Conditions are only
5499         at the end of a basic block.
5500
5501 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5502             Tobias Grosser  <grosser@fim.uni-passau>
5503
5504         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5505         field.
5506         (GBB_ALPHA): Removed.
5507
5508 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5509             Tobias Grosser  <grosser@fim.uni-passau.de>
5510
5511         * graphite-data-ref.c (graphite_test_dependence): Don't use
5512         GBB_DYNAMIC_SCHEDULE.
5513         * graphite.c (new_graphite_bb): Same.
5514         (free_graphite_bb): Same.
5515         (build_scop_dynamic_schedules): Removed.
5516         (graphite_transform_loops): Don't call it.
5517         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5518         (GBB_DYNAMIC_SCHEDULE): Removed.
5519
5520 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5521             Tobias Grosser  <grosser@fim.uni-passau.de>
5522
5523         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5524         (print_graphite_bb): Same.
5525         (build_cloog_prog): Same.
5526
5527 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5528             Tobias Grosser  <grosser@fim.uni-passau.de>
5529
5530         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5531
5532 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5533             Tobias Grosser  <grosser@fim.uni-passau.de>
5534
5535         * graphite.c (build_scop_context): Don't use CloogMatrix.
5536         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5537         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5538
5539 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5540             Tobias Grosser  <grosser@fim.uni-passau.de>
5541
5542         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5543         liveout_renames, add_params fields...
5544         (struct sese): ... here.
5545         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5546         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5547
5548 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5549             Tobias Grosser  <grosser@fim.uni-passau.de>
5550
5551         * graphite.c (print_scop): Do not print the CLooG program.
5552         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5553         build_cloog_prog, gloog): Don't use SCOP_PROG.
5554         (find_transform): Renamed scop_to_clast.
5555         (print_generated_program, debug_generated_program): New.
5556         (graphite_transform_loops): Adapt to new interface.
5557         * graphite.h (struct scop): Remove program field.
5558         (SCOP_PROG): Removed.
5559         (print_generated_program, debug_generated_program): Declared.
5560
5561 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5562
5563         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5564         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5565         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5566         free_graphite_bb, build_scop_canonical_schedules,
5567         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5568         schedules are now represented using a ppl_Linear_Expression_t.
5569         * graphite.h (struct graphite_bb): Same.
5570         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5571         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5572
5573 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5574
5575         * graphite.c: Free local memory.
5576         * graphite-ppl.c: Same.
5577
5578 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5579
5580         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5581         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5582         swap_constraint_variables, scale_constraint_variable): Removed.
5583         (graphite_trans_bb_strip_mine): Remove pong.
5584         * graphite-ppl.c: Include missing header files.
5585         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5586         * graphite-ppl.h (ppl_strip_loop): Declared.
5587         * Makefile.in (graphite-ppl.o): Adjust dependences.
5588
5589 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5590
5591         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5592         (build_scop_iteration_domain): Same.
5593
5594 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5595
5596         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5597         ping pong.
5598         (add_value_to_dim, scan_tree_for_params_right_scev,
5599         scan_tree_for_params_int): New.
5600         * graphite-ppl.c (oppose_constraint): New.
5601         (insert_constraint_into_matrix): Implement missing cases.
5602         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5603
5604 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5605
5606         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5607         use ppl_move_dimension.
5608
5609 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5610
5611         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5612         * graphite.c: Same.
5613         * graphite.h: Same.
5614         * graphite-ppl.c: Same.
5615         * graphite-ppl.h: Same.
5616
5617 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5618
5619         Revert last 3 commits.
5620
5621 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5622
5623         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5624         ping pong.
5625         (add_value_to_dim, scan_tree_for_params_right_scev,
5626         scan_tree_for_params_int): New.
5627         * graphite-ppl.c (oppose_constraint): New.
5628         (insert_constraint_into_matrix): Implement missing cases.
5629         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5630
5631 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5632
5633         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5634
5635 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5636             Tobias Grosser  <grosser@fim.uni-passau.de>
5637
5638         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5639         use ppl_move_dimension.
5640         * graphite-ppl.c (ppl_move_dimension): New.
5641         * graphite-ppl.h (ppl_move_dimension): Declared.
5642
5643 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         * graphite.c: Do not include cloog/cloog.h.
5646         (print_graphite_bb): Remove ping pong, call PPL print function.
5647
5648 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5649
5650         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5651         (graphite.o): Add dependence on graphite-ppl.h.
5652         (graphite-ppl.o): New.
5653         (graphite-data-ref.c): Ping pong between PPL data structures
5654         and matrices.
5655         * graphite-ppl.c: New.
5656         * graphite-ppl.h: New.
5657         * graphite.c: Include graphite-ppl.h.
5658         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5659         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5660         Ping pong between PPL data structures and matrices.
5661         (new_graphite_bb): Create a PPL constraint system.
5662         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5663         (build_loop_iteration_domains): Use PPL functions.
5664         * graphite.h: Include graphite-ppl.h.  Fix comments.
5665         (graphite_bb): Use a ppl_Constraint_System_t instead of
5666         CloogMatrix for representing the domain.
5667         (scop): Remove static_schedule.
5668         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5669
5670 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5671
5672         * graphite.c: Fix some comments.
5673
5674 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5675
5676         PR middle-end/38953
5677         * graphite.c (if_region_set_false_region): After moving a region
5678         in the false branch of a condition, remove the empty dummy
5679         basic block.
5680         (gloog): Remove wrong fix for PR38953.
5681
5682 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5683
5684         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5685         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5686         register_bb_in_sese, new_sese, free_sese): Moved.
5687         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5688         outermost_loop_in_scop, build_scop_iteration_domain,
5689         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5690         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5691         Use loop_in_sese_p instead of loop_in_scop_p.
5692         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5693         (free_scop): Do not free SCOP_BBS_B.
5694         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5695         ref_nb_loops): Moved here...
5696         * graphite.h (ref_nb_loops): ... from here.
5697         (struct scop): Remove bbs_b bitmap.
5698         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5699         * gcc.dg/graphite/scop-19.c: New
5700
5701 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5702
5703         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5704         detection.
5705
5706 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5707
5708         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5709         eq_loop_to_cloog_loop): Remove.
5710         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5711         * graphite.h (struct scop): Remove loop2cloog_loop.
5712         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5713
5714 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5715
5716         * opts.c (decode_options): Only add graphite options to O2
5717         if we compile with graphite enabled.
5718
5719 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5720
5721         * Merge from mainline (r143163:143684).
5722
5723 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5724
5725         * graphite.c (debug_value): Removed.
5726         * graphite.h (debug_value): Removed.
5727
5728 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5729
5730         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5731         after graphite: pass_copy_prop does not maintain a proper loop closed
5732         SSA form.  pass_copy_prop should be fixed.
5733
5734 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5735
5736         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5737
5738 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5739
5740         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5741         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5742         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5743         changed the CFG.
5744
5745 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5746
5747         * graphite.c (gloog): Return true when code gen succeeded.
5748         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5749         the code of the function did not changed.  After cleanup_tree_cfg
5750         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5751         form.
5752
5753 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5754
5755         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5756         gimple_call_lhs is NULL.
5757
5758 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5759             Tobias Grosser  <tobi.grosser@amd.com>
5760
5761         * graphite.c (graphite_trans_scop_block): Do not block single
5762         nested loops.
5763
5764 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5765             Tobias Grosser  <tobi.grosser@amd.com>
5766
5767         * graphite.c (build_scop_canonical_schedules): Start schedules at
5768         zero.
5769
5770 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5771             Tobias Grosser  <tobi.grosser@amd.com>
5772
5773         * graphite.c (compare_prefix_loops): New.
5774         (build_scop_canonical_schedules): Rewritten.
5775         (graphite_transform_loops): Move build_scop_canonical_schedules
5776         after build_scop_iteration_domain.
5777
5778 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5779             Tobias Grosser  <tobi.grosser@amd.com>
5780
5781         * graphite.c (add_conditions_to_domain): Add the loops to
5782         the dimension of the iteration domain.  Do copy the domain
5783         only when it exists.
5784         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5785         (add_conditions_to_constraints): New.
5786         (can_generate_code_stmt, can_generate_code): Removed.
5787         (gloog): Do not call can_generate_code.
5788         (graphite_transform_loops): Call add_conditions_to_constraints
5789         after building the iteration domain.
5790
5791 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5792             Tobias Grosser  <tobi.grosser@amd.com>
5793             Jan Sjodin  <jan.sjodin@amd.com>
5794
5795         * graphite.c (scan_tree_for_params): On substractions negate
5796         all the coefficients of the term.
5797         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5798         of more than two operands.
5799         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5800         (get_vdef_before_scop): Handle also the case of default definitions.
5801
5802 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5803
5804         PR middle-end/38431
5805         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5806         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5807         (gloog): Do not call cleanup_tree_cfg.
5808         (graphite_transform_loops): Call cleanup_tree_cfg after all
5809         scops have been code generated.
5810
5811 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5812
5813         * passes.c (init_optimization_passes): Schedule after
5814         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5815
5816 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5817
5818         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5819         Fix comment.
5820         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5821         Set the type of an expression to the type of its assign statement.
5822         (expand_scalar_variables_expr):  Do not pass loop_p.
5823         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5824         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5825         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5826
5827 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5828
5829         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5830         an expression to the gimple_expr_type of its assign statement.
5831         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5832         or tcc_declaration.
5833
5834 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5835
5836         PR tree-optimization/38786
5837         * gcc.dg/graphite/pr38786.c: New.
5838         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5839         the SSA_NAME case of expand_scalar_variables_expr.
5840         (expand_scalar_variables_expr): Also gather the scalar computation
5841         used to index the memory access.
5842         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5843         the gimple_stmt_iterator where it inserts new code.
5844
5845 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5846
5847         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5848
5849 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5850
5851         * opts.c (decode_options): Enable flag_graphite_identity and
5852         flag_loop_block in -O2 and above.
5853
5854 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5855
5856         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5857         Fix merge problem: replace with the file from trunk.
5858
5859 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5860
5861         * Merge from mainline (r141727:143163).
5862
5863 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5864             Jan Sjodin  <jan.sjodin@amd.com>
5865
5866         PR tree-optimization/38559
5867         * gcc.dg/graphite/pr38559.c: New.
5868
5869         * graphite.c (debug_value, copy_constraint,
5870         swap_constraint_variables, scale_constraint_variable, ): New.
5871         (get_lower_bound, get_upper_bound): Removed.
5872         (graphite_trans_bb_strip_mine): Clean up this code that works
5873         only for constant number of iterations.  Fully copy upper and
5874         lower bound constraints, not only the constant part of them.
5875         * graphite.h (debug_value): Declared.
5876
5877 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5878
5879         PR tree-optimization/38492
5880         PR tree-optimization/38498
5881         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5882         * tree-chrec.h (scev_is_linear_expression): Declared.
5883         * graphite.c (graphite_cannot_represent_loop_niter): New.
5884         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5885         (graphite_loop_normal_form): Use gcc_assert.
5886         (scan_tree_for_params): Use CASE_CONVERT.
5887         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5888         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5889         Use gcc_assert.  Discard scops that contain unhandled cases.
5890         (build_scop_conditions): Return a boolean status for unhandled cases.
5891         (strip_mine_profitable_p): Print the loop number, not its depth.
5892         (is_interchange_valid): Pass the depth of the loop nest, don't
5893         recompute it wrongly.
5894         (graphite_trans_bb_block): Same.
5895         (graphite_trans_bb_block): Print tentative of loop blocking.
5896         (graphite_trans_scop_block): Do not print that the loop has been
5897         blocked.
5898         (graphite_transform_loops): Do not handle scops that contain condition
5899         scalar phi nodes.
5900
5901         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5902         in trunk.
5903         * gcc.dg/graphite/block-0.c: Update test.
5904         * gcc.dg/graphite/block-1.c: Same.
5905         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5906         blocking.
5907         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5908         * gcc.dg/graphite/block-3.c: New.
5909         * gcc.dg/graphite/pr38498.c: New.
5910
5911 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5912
5913         PR tree-optimization/38510
5914         * gcc.dg/graphite/pr38510.c: New.
5915         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5916           (translate_clast): Call recompute_all_dominators before
5917           graphite_verify.
5918           (gloog): Call recompute_all_dominators before graphite_verify.
5919
5920 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5921
5922         PR tree-optimization/38492
5923         * graphite.c (rename_map_elt, debug_rename_elt,
5924         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5925         rename_map_elt_info, eq_rename_map_elts,
5926         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5927         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5928         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5929         (sese_build_livein_liveouts): New.
5930         (new_sese, free_sese): New.
5931         (new_scop): Call new_sese.
5932         (free_scop): Call free_sese.
5933         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5934         (register_old_new_names): Renamed register_old_and_new_names.
5935         (register_scop_liveout_renames, add_loop_exit_phis,
5936         insert_loop_close_phis, struct igp,
5937         default_liveout_before_guard, add_guard_exit_phis,
5938         insert_guard_phis, copy_renames): New.
5939         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5940         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5941         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5942         (scop_adjust_phis_for_liveouts): New.
5943         (gloog): Call scop_adjust_phis_for_liveouts.
5944
5945         * graphite.h (struct sese): Documented.  Added fields liveout,
5946         num_ver and livein.
5947         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5948         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5949         (struct scop): Added field liveout_renames.
5950         (SCOP_LIVEOUT_RENAMES): New.
5951
5952 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5953
5954         PR tree-optimization/38409
5955         * gcc.dg/graphite/pr38409.c: New.
5956         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5957
5958 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5959
5960         * graphite.c (gcc_type_for_cloog_iv): By default return
5961         integer_type_node.
5962         (graphite_create_new_loop): Don't fold_convert the already
5963         fold_convert-ed expression.
5964
5965 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5966
5967         PR tree-optimization/38446
5968         * gcc.dg/graphite/pr38446.c: New.
5969         * graphite.c (register_bb_in_sese): New.
5970         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5971         looking at the bbs in the region.
5972         * graphite.h (sese): Add region_basic_blocks pointer set to
5973         structure and initialize at the time of defining new scop.
5974
5975 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5976
5977         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5978         (find_params_in_bb): Do not free data refs.
5979         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5980
5981 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5982
5983         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5984         * gcc.dg/graphite/scop-17.c: Same.
5985         * gcc.dg/graphite/block-5.c: New.
5986         * gcc.dg/graphite/block-6.c: New.
5987         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5988         * gcc.dg/graphite/pr37684.c: Same.
5989         * gcc.dg/graphite/block-2.c: Same.
5990
5991         * graphite.c (struct ivtype_map_elt): New.
5992         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5993         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5994         gcc_type_for_cloog_iv): New.
5995         (loop_iv_stack_patch_for_consts): Use the type of the induction
5996         variable from the original loop, except for the automatically
5997         generated loops, i.e., in the case of a strip-mined loop, in
5998         which case there is no original loop: in that case just use
5999         integer_type_node.
6000         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6001         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6002         (clast_name_to_gcc): Accept params to be NULL.
6003         (clast_to_gcc_expression): Take an extra parameter for the type.
6004         Convert to that type all the expressions built by this function.
6005         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6006         (graphite_translate_clast_equation): Compute the type of the
6007         clast_equation before translating its LHS and RHS.
6008         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6009         (graphite_create_new_loop): Compute the type of the induction
6010         variable before translating the lower and upper bounds and before
6011         creating the induction variable.
6012         (rename_variables_from_edge, rename_phis_end_scop): New.
6013         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6014         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6015         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6016         compute_cloog_iv_types): New.
6017         (gloog): Call compute_cloog_iv_types before starting the
6018         translation of the clast.
6019
6020         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6021         (GBB_CLOOG_IV_TYPES): New.
6022         (debug_ivtype_map): Declared.
6023         (oldiv_for_loop): New.
6024
6025 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6026
6027         PR middle-end/38459
6028         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6029         (param_index): Assert if parameter is not know after parameter
6030         detection.
6031         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6032         (find_scop_parameters): Mark, that we have finished parameter
6033         detection.
6034         (graphite_transform_loops): Move condition detection before parameter
6035         detection.
6036         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6037         * gfortran.dg/graphite/pr38459.f90: New.
6038
6039 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6040
6041         * graphite.c (graphite_transform_loops): Always call find_transform ()
6042         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6043         generate code.
6044
6045 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6046
6047         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6048         (print_scop): Ditto.
6049
6050 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6051
6052         PR middle-end/38084
6053         Fix gfortran.dg/graphite/id-3.f90.
6054         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6055         regions more than once.
6056
6057 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6058
6059         Fix gfortran.dg/graphite/id-4.f90.
6060         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6061         when not needed.
6062
6063 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6064
6065         Fix gfortran.dg/graphite/id-1.f90.
6066         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6067         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6068         (max_precision_type): New.
6069         (value_clast): Removed.
6070         (clast_to_gcc_expression): Be more careful to types of expressions.
6071         Use max_precision_type and update use of gmp_cst_to_tree.
6072         (graphite_translate_clast_equation): Use max_precision_type.
6073         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6074         use the type of the condition.
6075         (graphite_create_new_loop): Do not use integer_type_node, use the
6076         max_precision_type of lb and ub.
6077
6078 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6079
6080         * graphite.c (build_scops_1): Initialize open_scop.exit
6081         and sinfo.last.
6082
6083 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6084
6085         * gcc.dg/graphite/pr38084.c: New.
6086         * gfortran.dg/graphite/id-1.f90: New.
6087         * gfortran.dg/graphite/id-2.f90: New.
6088         * gfortran.dg/graphite/id-3.f90: New.
6089         * gfortran.dg/graphite/id-4.f90: New.
6090         * gfortran.dg/graphite/pr37857.f90: New.
6091
6092 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6093             Jan Sjodin  <jan.sjodin@amd.com>
6094             Harsha Jagasia  <harsha.jagasia@amd.com>
6095
6096         PR middle-end/37852
6097         PR middle-end/37883
6098         PR middle-end/37928
6099         PR middle-end/37980
6100         PR middle-end/38038
6101         PR middle-end/38039
6102         PR middle-end/38073
6103         PR middle-end/38083
6104         PR middle-end/38125
6105
6106         * gcc.dg/graphite/pr38073.c: New.
6107         * gcc.dg/graphite/pr37928.c: New.
6108         * gcc.dg/graphite/pr37883.c: New.
6109         * gcc.dg/graphite/pr38125.c: New.
6110         * gfortran.dg/graphite/pr38083.f90: New.
6111         * gfortran.dg/graphite/pr37852.f90: New.
6112         * gfortran.dg/graphite/pr37980.f90: New.
6113
6114         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6115         the number of detected scops.  Copy exact same test for loop
6116         blocking...
6117         * gcc.dg/graphite/block-1.c: Fix the number of expected
6118         loops to be blocked as reductions are not handled.
6119         * gcc.dg/graphite/block-4.c: ...here.  New.
6120
6121         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6122         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6123         ...here.
6124         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6125         * Makefile.in (graphite.o): Depend on value-prof.h.
6126         (graphite.o-warn): Removed -Wno-error.
6127         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6128         to be a NULL pointer.  Call update_stmt.  Return the newly created
6129         cannonical induction variable.
6130
6131         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6132
6133         * graphite.c: Reimplement the code generation from graphite to gimple.
6134         Include value-prof.h.
6135         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6136         (get_old_iv_from_ssa_name): Removed.
6137         (graphite_stmt_p): New.
6138         (new_graphite_bb): Test for useful statements before building a
6139         graphite statement for the basic block.
6140         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6141         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6142         reason.
6143         (recompute_all_dominators, graphite_verify,
6144         nb_reductions_in_loop, graphite_loop_normal_form): New.
6145         (scop_record_loop): Call graphite_loop_normal_form.
6146         (build_scop_loop_nests): Iterate over all the blocks of the
6147         function instead of relying on the incomplete information from
6148         SCOP_BBS.  Return the success of the operation.
6149         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6150         (add_bb_domains): Removed.
6151         (build_loop_iteration_domains): Don't call add_bb_domains.
6152         Add the iteration domain only to the basic blocks that have been
6153         translated to graphite.
6154         (build_scop_conditions_1): Add constraints only if the basic
6155         block have been translated to graphite.
6156         (build_scop_data_accesses): Completely disabled until data
6157         dependence is correctly implemented.
6158         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6159         (remove_all_edges_1, remove_all_edges): Removed.
6160         (get_new_name_from_old_name): New.
6161         (graphite_rename_variables_in_stmt): Renamed
6162         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6163         Use replace_exp and update_stmt.
6164         (is_old_iv): Renamed is_iv.
6165         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6166         Use replace_exp and update_stmt.
6167         (expand_scalar_variables_expr): Same.  Use the map to get the
6168         new names for the renaming of induction variables and for the
6169         renaming of variables after a basic block has been copied.
6170         (expand_scalar_variables): Same.
6171         (graphite_rename_variables): Renamed rename_variables.
6172         (move_phi_nodes): Removed.
6173         (get_false_edge_from_guard_bb): New.
6174         (build_iv_mapping): Do not insert the induction variable of a
6175         loop in the renaming iv map if the basic block does not belong
6176         to that loop.
6177         (register_old_new_names, graphite_copy_stmts_from_block,
6178         copy_bb_and_scalar_dependences): New.
6179         (translate_clast): Heavily reimplemented: copy basic blocks,
6180         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6181         At each translation step call graphite_verify ensuring the
6182         consistency of the SSA, loops and dominators information.
6183         (collect_virtual_phis, find_vdef_for_var_in_bb,
6184         find_vdef_for_var_1, find_vdef_for_var,
6185         patch_phis_for_virtual_defs): Removed huge hack.
6186         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6187         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6188         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6189         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6190         if_region_get_condition_block, if_region_set_false_region,
6191         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6192         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6193         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6194         rewrite_into_sese_closed_ssa): New.
6195         (gloog): Remove dead code.  Early return if code cannot be
6196         generated.  Call cleanup_tree_cfg once the scop has been code
6197         generated.
6198         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6199         block loops with less than two loops.
6200         (graphite_apply_transformations): Remove the call to
6201         scop_remove_ignoreable_gbbs.
6202         (limit_scops): When build_scop_loop_nests fails, continue on
6203         the next scop.  Fix open_scop.entry.
6204         (graphite_transform_loops): Call recompute_all_dominators: force the
6205         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6206         Call initialize_original_copy_tables and free_original_copy_tables
6207         to be able to copy basic blocks during code generation.
6208         When build_scop_loop_nests fails, continue on next scop.
6209         (value_clast): New union.
6210         (clast_to_gcc_expression): Fix type cast warning.
6211
6212 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6213
6214         * Merge from mainline (r140838:141727).
6215
6216 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6217
6218         PR middle-end/37833
6219
6220         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6221
6222 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6223
6224         PR middle-end/37943
6225
6226         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6227         exits and conditions.
6228         * gcc.dg/graphite/pr37943.c: New.
6229
6230 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6231
6232         PR middle-end/37886
6233         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6234
6235 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6236
6237         * doc/invoke.texi: Fix spaces.
6238
6239 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6240
6241         PR tree-optimization/37891
6242         Reverted last commit.
6243         * graphite.c (create_single_entry_edge): Set
6244         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6245
6246 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6247             Mitul Thakkar  <mitul.thakkar@amd.com>
6248
6249         * graphite.c (create_single_entry_edge): Set
6250         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6251
6252 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6253
6254         * doc/invoke.texi: Add -fgraphite-identity.
6255         * graphite.c (graphite_apply_transformations): Check for
6256         -fgraphite-identity.
6257         * toplev.c (process_options): Add flag_graphite_identity.
6258         * tree-ssa-loop.c: Add flag_graphite_identity.
6259
6260 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6261
6262         Undo changes from 2008-10-02:
6263         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6264         operand type when copying the operand to a variable of different type.
6265         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6266         with the IV name after increment.
6267
6268 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6269             Harsha Jagasia  <harsha.jagasia@amd.com>
6270
6271         PR tree-optimization/37828
6272         * gcc.dg/graphite/pr37828.c: New.
6273         * graphite.c (graphite_trans_loop_block): Do not loop block
6274         single nested loops.
6275
6276 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6277             Sebastian Pop  <sebastian.pop@amd.com>
6278
6279         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6280         rename_map_elt_info, eq_rename_map_elts): New.
6281         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6282         (expand_scalar_variables_expr): Change parameters.
6283         (expand_scalar_variables_stmt): Same.
6284         (expand_scalar_variables): Same.
6285         (graphite_rename_ivs): Rename graphite_rename_variables.
6286         (build_iv_mapping): New.
6287         (translate_clast): Call build_iv_mapping.
6288         * graphite.h (gbb_p): New name.
6289
6290 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6291
6292         PR tree-optimization/37684
6293         * gcc.dg/graphite/pr37684.c: New.
6294         * graphite.c (exclude_component_ref): New.
6295         (is_simple_operand): Call exclude_component_ref.
6296
6297 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6298             Harsha Jagasia  <harsha.jagasia@amd.com>
6299
6300         PR tree-optimization/37485
6301         * gcc.dg/graphite/block-2.c: New
6302         * graphite.c (gmp_cst_to_tree): Moved.
6303         (iv_stack_entry_is_constant): New.
6304         (iv_stack_entry_is_iv): New.
6305         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6306         (loop_iv_stack_insert_constant): New.
6307         (loop_iv_stack_pop): Use new datatpype.
6308         (loop_iv_stack_get_iv): Same.
6309         (loop_iv_stack_get_iv_from_name): Same.
6310         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6311         (loop_iv_stack_patch_for_consts): New.
6312         (loop_iv_stack_remove_constants): New.
6313         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6314         (translate_clast): Call loop_iv_stack_patch_for_consts and
6315         loop_iv_stack_remove_constants.
6316         (gloog): Use new datatype.  Redirect construction edge to end
6317         block to avoid accidental deletion.
6318         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6319         iv stack entry.
6320         (union iv_stack_entry_data): New.  Data in iv stack entry.
6321         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6322
6323 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6324
6325         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6326         operand type when copying the operand to a variable of different type.
6327
6328 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6329
6330         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6331         with the IV name after increment.
6332
6333 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6334
6335         * Merge from mainline (r140164:140838).
6336
6337 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6338
6339         * graphite-data-ref.c: New.
6340         * graphite.c (print_scop): Also dump the dependence graph.
6341         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6342         (new_scop): Initialize SCOP_DEP_GRAPH.
6343         (build_scop_dynamic_schedules): New.
6344         (build_access_matrix_with_af): Fixed column numbering.
6345         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6346         * graphite.h: Add ifndef/define guards against multiple inclusion.
6347         (struct scop): Add dep_graph field.
6348         (SCOP_DEP_GRAPH): Defined.
6349         (ref_nb_loops): Fixed and moved to other position.
6350         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6351         (nb_loops_around_loop_in_scop): New.
6352         (graphite_dump_dependence_graph): Declared.
6353         (graphite_build_rdg_all_levels): Declared.
6354         (graphite_test_dependence): Declared.
6355         * Makefile.in (graphite-data-ref.o): New target.
6356
6357 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6358
6359         * Merge from mainline (139870:140164).
6360
6361 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6362
6363         * Merge from mainline (138275:139870).
6364         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6365         the commits from trunk broke the niter detection.
6366
6367 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6368
6369         * graphite.c: Add more documentation.  Fix formatting.
6370         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6371         loop_iv_stack_debug): Moved...
6372         (schedule_to_scattering): Move before use.
6373         (dot_all_scops): Include in "#if 0" the code for system
6374         call dotty.
6375
6376         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6377         loop_iv_stack_debug): ...here.
6378
6379 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6380
6381         * tree-phinodes.c (make_phi_node): Extern.
6382         (add_phi_node_to_bb): New.
6383         (create_phi_node): Call add_phi_node_to_bb.
6384         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6385         (remove_statement): Handle case where stored phi was updated
6386         and is no longer the same.
6387         * graphite.c (is_parameter): New.
6388         (is_old_iv): New.
6389         (expand_scalar_variables_expr): New.
6390         (expand_scalar_variables_stmt): New.
6391         (expand_scalar_variables): New.
6392         (move_phi_nodes): Create new phi instead of moving old one.
6393         (translate_clast): Call expand_scalar_variables.
6394         (find_vdef_for_var_in_bb): Also scan regular definitions.
6395         (skip_phi_defs): New.
6396         (collect_scop_exit_phi_args): New.
6397         (patch_scop_exit_phi_args): New.
6398         (gloog): Patch phis after scop.
6399         * tree-flow.h: (add_phi_node_to_bb): Declared.
6400         (make_phi_node): Declared.
6401
6402 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6403
6404         * graphite.c (end_scop): Split the entry of the scop when it
6405         is the header of the loop in which the scop is ending.
6406         (build_scops_1, limit_scops): Update uses of end_scop.
6407
6408 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6409
6410         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6411         SCOP_ENTRY or SCOP_EXIT.
6412
6413 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6414
6415         * graphite.c (get_construction_edge): Removed.
6416         (gloog): Construction edge is the scop entry edge.
6417
6418 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6419
6420         * graphite.c (can_generate_for_scop): Removed.
6421         (gloog): Do not call it.
6422
6423 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6424
6425         * graphite.c (new_scop): Entry of a scop is an edge.
6426         Initialize SESE region.
6427         (free_scop): Free SESE region.
6428         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6429         (split_difficult_bb): New, split from end_scop.
6430         (end_scop): Exit of a scop is an edge.
6431         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6432         not automatically updated and thus is always wrong.
6433         * graphite.h (struct sese): New.
6434         (SESE_ENTRY): New.
6435         (SESE_EXIT): New.
6436         (struct scop): New field for a SESE region.  Remove entry, exit.
6437         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6438         semantics as before.  Moved comment around.
6439
6440 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6441             Sebastian Pop  <sebastian.pop@amd.com>
6442
6443         * graphite.c (graphite_transform_loops): Always enable gloog
6444         and find_transform when ENABLE_CHECKING.
6445
6446 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6447
6448         * graphite.c (graphite_transform_loops): Move pretty printer
6449         of SCOPs before doing any transform.  Remove call to print_scops
6450         and dot_all_scops_1.
6451
6452 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6453
6454         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6455         (print_graphite_bb): Same.
6456
6457 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6458
6459         * graphite.c (dot_all_scops_1): Cleanup.
6460         (move_scops): Fix comment.
6461
6462 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6463
6464         * graphite.c (build_scop_bbs): Revert commit 139355:
6465
6466         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6467                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6468
6469                 * graphite.c (build_scop_bbs): Factor up code.
6470
6471 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6472
6473         * graphite.c (gloog): Update dominator info.
6474
6475 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6476
6477         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6478
6479 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6480
6481         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6482         initialization.
6483         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6484         (translate_clast): Correct formatting.
6485         * graphite.h (struct num_map): Removed.
6486         (struct graphite_bb): Remove num_map field.
6487         (GBB_INDEX_TO_NUM_MAP): Removed.
6488
6489 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6490
6491         * graphite.c (build_access_matrix_with_af): Fix comments.
6492         (build_scop_data_accesses): Same.
6493
6494 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6495
6496         * graphite.c (build_scop_data_accesses): Don't construct
6497         access matrices.  Add a FIXME and an assert condition that
6498         should pass when the access matrices will be needed.
6499
6500 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6501
6502         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6503         really_constant_p.
6504         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6505         Moved close by free_graphite_bb.
6506         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6507         (new_scop): Move close by free_scop.
6508         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6509
6510 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6511
6512         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6513         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6514         instead of recursive call.
6515         (graphite_translate_clast_equation): New.
6516         (graphite_create_guard_cond_expr): New.
6517         (graphite_create_new_guard): New.
6518         (get_stack_index_from_iv): Removed.
6519         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6520         (get_true_edge_from_guard_bb): New.
6521         (translate_clast): Handle stmt_guard in clast.
6522         (get_construction_edge): Allow construction edge detection for
6523         a scope entry with multiple predecessors if one predecessor is
6524         the immediate dominator of scope entry.
6525         (can_generate_code_stmt): Enable code generation for clast_guard.
6526         (gloog): Use correct context loop.  Removed check for post dominators.
6527         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6528
6529 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6530
6531         * graphite.c (remove_dead_loops): Document better which
6532         loops are removed.
6533
6534 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6535
6536         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6537         and PPLINC.
6538         (graphite.o): Also depends on pointer-set.h.
6539
6540 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6541
6542         * graphite.c (scop_record_loop): Fix compile warning.
6543
6544 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6545             Sebastian Pop  <sebastian.pop@amd.com>
6546
6547         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6548
6549 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6550
6551         * graphite.c (build_graphite_bb): Initialize bb->aux to
6552         point to the graphite_bb_p.
6553         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6554         content of bb->aux.
6555         (add_bb_domains): Does not use the scop parameter.
6556         (graphite_transform_loops): Clean bb->aux at the end.
6557
6558 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6559             Sebastian Pop  <sebastian.pop@amd.com>
6560
6561         * lib/target-supports.exp
6562         (check_effective_target_fgraphite): New.
6563
6564         * gcc.dg/graphite/graphite.exp: Early exit when
6565         check_effective_target_fgraphite returns false.
6566         Set dg-do-what-default to compile.
6567         (scan-graphite-dump-times): Removed.
6568         * gfortran.dg/graphite/graphite.exp: Same.
6569
6570         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6571         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6572         * gcc.dg/graphite/scop-1.c: Same.
6573         * gcc.dg/graphite/scop-2.c: Same.
6574         * gcc.dg/graphite/scop-3.c: Same.
6575         * gcc.dg/graphite/scop-4.c: Same.
6576         * gcc.dg/graphite/scop-5.c: Same.
6577         * gcc.dg/graphite/scop-6.c: Same.
6578         * gcc.dg/graphite/scop-7.c: Same.
6579         * gcc.dg/graphite/scop-8.c: Same.
6580         * gcc.dg/graphite/scop-9.c: Same.
6581         * gcc.dg/graphite/scop-10.c: Same.
6582         * gcc.dg/graphite/scop-11.c: Same.
6583         * gcc.dg/graphite/scop-12.c: Same.
6584         * gcc.dg/graphite/scop-13.c: Same.
6585         * gcc.dg/graphite/scop-matmult.c: Same.
6586         * gcc.dg/graphite/scop-14.c: Same.
6587         * gcc.dg/graphite/scop-15.c: Same.
6588         * gcc.dg/graphite/block-0.c: Same.
6589         * gcc.dg/graphite/scop-16.c: Same.
6590         * gcc.dg/graphite/block-1.c: Same.
6591         * gcc.dg/graphite/scop-17.c: Same.
6592         * gcc.dg/graphite/scop-18.c: Same.
6593         * gfortran.dg/graphite/block-1.f90: Same.
6594         * gfortran.dg/graphite/scop-1.f: Same.
6595         * gfortran.dg/graphite/block-2.f: Same.
6596
6597 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6598
6599         * graphite.c: Fix some XXX comments.
6600         (build_scop_dynamic_schedules): Removed.
6601
6602 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6603
6604         * graphite.h (scop_max_loop_depth): Moved...
6605         * graphite.c (scop_max_loop_depth): ...here.
6606         (remove_all_edges_1): New.
6607         (remove_all_edges): Factored code.
6608         (remove_cond_exprs): Check only the last statement for
6609         a GIMPLE_COND expression.
6610
6611 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6612
6613         * graphite.c (scan_tree_for_params): Early return when the
6614         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6615         (find_scop_parameters): Factor out code.
6616         (graphite_trans_bb_strip_mine): Remove dead code.
6617
6618 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6619
6620         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6621         graphite_trans_bb_move_loop): Factor asserts.
6622         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6623         Do not call calculate_dominance_info and estimate_bb_frequencies.
6624
6625 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6626
6627         * graphite.c (create_loops_mapping, free_loops_mapping,
6628         create_loops_mapping_num, debug_loop_mapping_1,
6629         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6630         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6631         graphite_loops_mapping_add_child_num,
6632         graphite_loops_mapping_insert_child,
6633         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6634         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6635         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6636         create_num_from_index, get_num_from_index,
6637         swap_loop_mapped_depth): Removed.
6638         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6639         (free_scop): Do not call free_loops_mapping.
6640         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6641         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6642         get_loop_mapped_depth.
6643         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6644         (graphite_trans_bb_strip_mine): Same.
6645         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6646         (struct scop): Remove field loops_mapping.
6647
6648 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6649             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6650
6651         * graphite.c (scop_record_loop): Factor out one level of the
6652         condition by early return.
6653         (build_scop_loop_nests): Format following FSF coding style.
6654         (build_scop_dynamic_schedules): Factor out code.
6655         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6656
6657 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6658             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6659
6660         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6661         assignments that are not handled as simple operands for now.
6662
6663 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6664             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6665
6666         * graphite.c (build_scop_bbs): Factor up code.
6667
6668 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6669             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6670
6671         * graphite.c (stmt_simple_for_scop_p): Factor code out
6672         of the loop.
6673         (enum gbb_type): New.  Group all the GBB_* types under it.
6674         (is_loop_exit): Moved...
6675         (end_scop): Enable BB spliting.
6676         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6677         * cfgloop.h (is_loop_exit): Declared.
6678
6679 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6680
6681         * doc/invoke.texi: Remove strides from examples containing
6682         DO loops when the strides are equal to 1.
6683
6684 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6685             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6686
6687         * graphite.c (graphite_trans_scop_block): Or the result with
6688         the result from graphite_trans_loop_block.
6689         * gcc.dg/graphite/block-1.c: New.
6690         * gfortran.dg/graphite/block-1.f90: New.
6691         * gfortran.dg/graphite/block-2.f: New.
6692
6693 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6694
6695         * graphite.c (graphite_transform_loops): Call cloog_initialize
6696         and cloog_finalize.
6697
6698 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6699
6700         * tree-data-ref.c) (stmt_simple_memref_p): New.
6701         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6702         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6703         (is_simple_operand): Call stmt_simple_memref_p.
6704
6705         * gcc.dg/graphite/scop-matmult.c: Updated for not
6706         using pointer arithmetic, as this is optimized by PRE and
6707         makes the code too difficult to analyze.
6708
6709         * gcc.dg/graphite/scop-18.c: Same.
6710
6711 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6712
6713         * gdbinit.in (pgg): New.
6714
6715 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6716
6717         * graphite.c (graphite_trans_loop_block): Fix warning.
6718
6719 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6720
6721         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6722
6723 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6724
6725         * graphite.c (graphite_trans_bb_block): Remove check for
6726         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6727         Check if loop blocking is profitable for every loop, before applying
6728         the changes.
6729         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6730         if flag_loop_block is set.
6731
6732 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6733
6734         * graphite.c: Add some more documentation for the loop
6735         mapping.
6736
6737 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6738
6739         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6740         * graphite.c: Format on less than 80 columns.
6741         * graphite.h: Same.
6742
6743 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6744
6745         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6746
6747 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6748
6749         * doc/invoke.texi (floop-block, floop-strip-mine,
6750         floop-interchange): Update documentation with examples.
6751
6752 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6753
6754         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6755         add_referenced_var.
6756         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6757
6758 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6759
6760         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6761         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6762         * tree-scalar-evolution.c: Revert useless changes.
6763         * tree-phinodes.c: Same.
6764         * cfghooks.c: Same.
6765         * vec.h: Same.
6766         * tree-vectorizer.h: Same.
6767         * tree-flow.h: Same.
6768         * tree-cfg.c: Same.
6769         * common.opt (fgraphite): Update documentation.
6770
6771 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6772
6773         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6774         -floop-interchange): Add more text for explaining what each of these
6775         flags is doing.
6776         * tree-into-ssa.c (gimple_vec): Moved to...
6777         * graphite.c: Include gimple.h.
6778         (gimple_vec): Moved to...
6779         (del_loop_to_cloog_loop): Removed.
6780         (loop_affine_expr): Do not call create_data_ref when the
6781         operand is a constant.
6782         (new_scop): Use free instead of del_loop_to_cloog_loop.
6783         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6784         * gimple.h (gimple_vec): ... here.
6785
6786 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6787
6788         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6789         latch executions.
6790         (build_loop_iteration_domains): Fail, if latch executions unknown.
6791
6792 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6793
6794         * graphite.c (add_conditions_to_domain): New.
6795         (build_scop_conditions_1): Call add_conditions_to_domain.
6796         (set_cloog_options): Allow to disable optimizations.
6797
6798 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6799
6800         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6801         Do not use walk_dominator_tree.
6802         (find_scop_parameters): Do not use walk_dominator_tree.
6803
6804 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6805
6806         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6807         (idx_record_params): Adapt.
6808         * graphite.h (scop_gimple_loop_depth): New.
6809
6810 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6811
6812         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6813         (scan_tree_for_params): Remove value_init.
6814         (build_scop_context): Remove value_init.
6815         (build_loop_iteration_domains): Remove value_init.
6816         (schedule_to_scattering): Remove value_init.
6817         (graphite_trans_bb_strip_mine): Remove value_init.
6818
6819 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6820
6821         * gcc/graphite.c (limit_scops): New.
6822         (graphite_transform_loops): Add limit SCoPs.
6823         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6824         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6825         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6826         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6827         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6828         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6829         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6830         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6831         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6832         Change loop numbers.
6833         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6834         Change loop numbers.
6835         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6836         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6837         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6838         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6839         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6840         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6841         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6842         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6843         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6844         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6845
6846 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6847
6848         * graphite.c (graphite_transform_loops): Call always find_transform.
6849
6850 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6851
6852         * graphite.c (free_loops_mapping): New.
6853         (stmt_simple_for_scop_p): Fix typo.
6854         (stmt_simple_for_scop_p): Fix tuples functions, that
6855         broke polyhedron.
6856         (free_graphite_bb): Fix some memleaks.
6857         (free_scop): Fix some memleaks.
6858         (scopdet_bb_info): Do not forget some tmp SCoPs.
6859         (find_params_in_bb): Fix some memleaks.
6860         (clast_to_gcc_expression): Fix warning.
6861
6862 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6863
6864         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6865         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6866
6867 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6868
6869         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6870         Move code ifdef-ed HAVE_cloog...
6871         * graphite.c: Include toplev.h.
6872         ... here.
6873         * Makefile.in (OBJS-common): Always build graphite.o.
6874         (BACKEND): Remove @GRAPHITE@.
6875         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6876         (graphite.o): Depend on TOPLEV_H.
6877
6878 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6879
6880         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6881         Remove typo left from polylib to ppl conversion.
6882         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6883
6884 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6885
6886         * toplev.c (process_options): Move the graphite loop optimization
6887         flags...
6888         * tree-ssa-loop.c (graphite_transforms): ... here.
6889         When not configured with CLooG, print to dump_file that
6890         Graphite transforms were not performed.
6891         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6892         New.
6893         * gcc.dg/graphite/*.c: Updated all testcases to use
6894         scan-graphite-dump-times.
6895
6896 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6897
6898         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6899         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6900
6901 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6902             Jan Sjodin  <jan.sjodin@amd.com>
6903
6904         * configure: Regenerated.
6905         * omp-low.c (expand_omp_sections): Remove now unused code.
6906         * config.in (HAVE_polylib): Removed.
6907         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6908         (PPLLIBS, PPLINC): Added.
6909         * graphite.c: Replace unsigned with int wherever possible.
6910         Don't access Cloog's data structures, but use accessor functions.
6911         Clast's stmt->type is now implemented as a vtable: change the
6912         switches of stmt->type into ifs.
6913         (polylib/polylibgmp.h): Don't include.
6914         (initialize_dependence_polyhedron,
6915         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6916         statement_precedes_p, test_dependence, build_rdg_all_levels,
6917         dump_dependence_graph): Removed until this code is cleaned up
6918         or ported to Cloog.
6919         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6920         (POLYLIBINC): Renamed PPLINC.
6921
6922 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6923             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6924             Jan Sjodin  <jan.sjodin@amd.com>
6925
6926         Finish the merge and tuplification of graphite.
6927
6928 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6929             Jan Sjodin  <jan.sjodin@amd.com>
6930
6931         Partial merge from mainline (138072:138275).
6932         * graphite.c still has to be tuplified.
6933
6934 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6935
6936         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6937         (create_num_from_index): New.
6938         (get_num_from_index): Also pass in the graphite BB.
6939         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6940         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6941         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6942         (is_interchange_valid): Return false when failing.
6943         * graphite.h (struct num_map): New.
6944         (struct graphite_bb): New field num_map.
6945         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6946
6947 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6948
6949         * graphite.c (dump_gbb_conditions): Print also conditions like
6950         "if (a)".  Remove dublicated code and use print_generic_expr ().
6951         (stmt_simple_for_scop_p): Only allow conditions we can handle
6952         {<, <=, >, >=}.
6953
6954 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6955
6956         * graphite.h (struct scop): Removed new_ivs field.
6957         (SCOP_NEWIVS): Deleted.
6958         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6959         clast_to_gcc_expression, graphite_create_new_loop):
6960         Removed use of new_ivs.
6961
6962 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6963
6964         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6965         create_loops_mapping_num, debug_loop_mapping_1): New.
6966         (debug_loop_mapping): Call debug_loop_mapping_1.
6967         (get_loop_mapping_for_num,
6968         graphite_loops_mapping_add_child,
6969         graphite_loops_mapping_add_child_num,
6970         graphite_loops_mapping_insert_child,
6971         graphite_loops_mapping_parent,
6972         split_loop_mapped_depth_for_num,
6973         loop_mapped_depth_split_loop): New.
6974         (increment_loop_mapped_depths): Removed.
6975         (swap_loop_mapped_depth_for_num): Reimplemented.
6976         (new_scop): Call create_loops_mapping.
6977         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6978         (translate_clast): Pass the old loop father in parameter, and pass
6979         it to get_old_iv_from_ssa_name.
6980         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6981         can_generate_code, can_generate_for_scop): New.
6982         (graphite_trans_bb_block): Returns false when it fails to transform.
6983         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6984
6985 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6986
6987         Reverted all the changes related to the streamization and
6988         loop fusion.
6989         These changes are now tracked in the streamization branch.
6990
6991 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6992             Jan Sjodin  <jan.sjodin@amd.com>
6993
6994         * graphite.c (gbb_compare): Correctly constify.
6995         (gbb_can_be_ignored): Indent.
6996         (graphite_trans_scop_swap_1and2): Add legality check.
6997         Remove dead FIXMEs.
6998
6999 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7000
7001         Remove fallouts from "Reverted the Condate changes".
7002         * tree.h: Remove unused decl.
7003         * gcc.dg/tree-checker: Same.
7004         * timevar.def: Remove counter.
7005
7006 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7007
7008         * Merge from mainline (135673:138072).
7009
7010         Reverted the MIRO changes (from 2008-04-05) that are now
7011         tracked in the miro branch.
7012         * tree-bounds.c: Removed.
7013         * tree-bounds.h: Removed.
7014
7015         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7016         are now tracked in the condate branch.
7017         * tree-check.c: Removed.
7018         * tree-match.c: Removed.
7019         * condate.y: Removed.
7020
7021 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7022
7023         * common.opt: New user flag -floop-block, -floop-strip-mine
7024         and -floop-interchange.
7025         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7026         graphite loop optimization flags is turned on.
7027         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7028         flag_loop_strip_mine and flag_loop_interchange checks before
7029         optimizations.
7030         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7031         -floop-strip-mine and -floop-interchange.
7032         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7033         -fgraphite.
7034         * gcc.dg/graphite/scop-16.c: Ditto.
7035         * gcc.dg/graphite/scop-17.c: Ditto.
7036         * gcc.dg/graphite/scop-18.c: Ditto.
7037
7038 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7039             Sebastian Pop  <sebastian.pop@amd.com>
7040
7041         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7042         (create_empty_loop_on_edge): More fixes.
7043         * tree-phinodes.c (resize_phi_node): Extern.
7044         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7045         * cfghooks.c (update_dominator_information): New split from
7046         split_edge.
7047         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7048         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7049         successor of the function entry block.
7050
7051         * graphite.c: Include pointer-set.h.
7052         (debug_loop_mapping, increment_loop_mapped_depths,
7053         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7054         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7055         swap_loop_mapped_depth_for_num, get_num_from_index,
7056         swap_loop_mapped_depth, loop_iv_stack_debug,
7057         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7058         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7059         get_old_iv_from_ssa_name): New.
7060         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7061         (free_scop): Free SCOP_LOOPS_MAPPING.
7062         (scop_record_loop): Record old ivs.
7063         (create_var_name): Removed.
7064         (initialize_cloog_names): Allocate double space in case strip mine
7065         applies to all loops once.
7066         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7067         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7068         translation.
7069         (graphite_create_new_loop): Pass in ivstack.
7070         (remove_all_edges): Pass in the construction_edge.
7071         (graphite_remove_iv): Removed.
7072         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7073         remove_cond_exprs): Rewritten.
7074         (move_phi_nodes): New.
7075         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7076         (translate_clast): Pass in ivstack.  Rewrite some cases.
7077         (set_cloog_options, debug_clast_stmt): New.
7078         (find_transform): Use set_cloog_options.
7079         (outermost_loop_layer): Removed.
7080         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7081         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7082         mark_old_loops, remove_dead_loops): New.
7083         (gloog): Rewritten.
7084         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7085         (const_column_index, get_first_matching_sign_row_index,
7086         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7087         get_upper_bound): New.
7088         (graphite_trans_bb_strip_mine): Also update the iv map.
7089
7090         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7091         (struct name_tree): Add a loop field.
7092         (struct scop): Add a graphite_loops_mapping field.
7093         (SCOP_LOOPS_MAPPING): New.
7094         (debug_clast_stmt): Declare.
7095         * lambda.h (find_induction_var_from_exit_cond): Declare.
7096         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7097         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7098         (create_empty_loop_on_edge): Updated.
7099         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7100         rename_variables_in_bb): Declare.
7101         * tree-cfg.c (remove_bb): Extern.
7102
7103         * gcc.dg/graphite/block-0.c: New.
7104
7105 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7106             Sebastian Pop  <sebastian.pop@amd.com>
7107
7108         * graphite.c (strip_mine_profitable_p): New.
7109         (graphite_trans_bb_block): Disable strip mining if not profitable.
7110
7111         * gcc.dg/graphite/scop-18.c: New.
7112         * gcc.dg/graphite/scop-17.c: Fixed.
7113         * gcc.dg/graphite/scop-16.c: Fixed.
7114
7115 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7116             Jan Sjodin  <jan.sjodin@amd.com>
7117             Sebastian Pop  <sebastian.pop@amd.com>
7118
7119         * graphite.c (is_interchange_valid): New.
7120         (graphite_trans_bb_block): Check loop nest of basic block for legality
7121         of interchange.
7122
7123         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7124         outer_most_loop, gbb_outer_most_loop_index): New.
7125
7126         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7127         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7128         * gcc.dg/graphite/scop-16.c: New.
7129         * gcc.dg/graphite/scop-17.c: New.
7130
7131 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7132
7133         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7134         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7135
7136 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7137
7138         * graphite.c (new_scop): Initialize SCOP_EXIT.
7139         (scopdet_info): Add.
7140         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7141         (build_scops_1): Cleanup, bugfixes.
7142         (build_scops): Cleanup.
7143
7144         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7145         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7146
7147 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7148
7149         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7150
7151         * gfortran.dg/graphite/graphite.exp: Use
7152         DEFAULT_GRAPHITE_FLAGS.
7153
7154         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7155
7156 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7157
7158         * graphite.c (scan_tree_for_params): Do not assert any more if
7159         MULT_EXPR parameter is negative.
7160
7161         * gfortran.dg/graphite/scop-1.f: New.
7162
7163         * gfortran.dg/graphite/graphite.exp: New.
7164
7165         * gcc.dg/graphite/scop-15.c: New.
7166
7167 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7168
7169         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7170
7171 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7172
7173         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7174         graphite_swap_loops.
7175         (graphite_trans_bb_move_loop): New.
7176         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7177         (graphite_trans_bb_block): New.
7178         (graphite_trans_loop_block): New.
7179         (graphite_trans_scop_swap_1and2): Rename from
7180         graphite_trans_swap_1and2.
7181         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7182         (graphite_trans_scop_block): New.
7183         (graphite_apply_transformations): Rename from
7184         graphite_transformations.
7185
7186         * gcc.dg/graphite/scop-matmult.c: New.
7187
7188 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7189
7190         * graphite.c (gbb_compare): New.
7191         (graphite_sort_gbbs): New.
7192         (gbb_can_be_ignored): New.
7193         (scop_remove_ignoreable_gbbs): New.
7194         (graphite_transformations): Cleanup and add
7195         scop_remove_ignoreable_gbbs.
7196         * lambda.h (lambda_vector_compare): New.
7197
7198 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7199
7200         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7201         (graphite_swap_loops): int -> unsigned
7202         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7203         (graphite_transformations): New.
7204         (graphite_transform_loops): Move to graphite_transformations.
7205         * graphite.h (gbb_nb_loops): Return unsigned.
7206
7207 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7208
7209         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7210         the domain matrix.  This makes scop-0.c work again.
7211
7212 2008-06-20  Richard Guenther  <rguenther@suse.de>
7213
7214         * graphite.h: Adjust copyright to GPLv3.
7215         * graphite.c: Likewise.
7216         (stmt_simple_memref_for_scop_p): Split out from ...
7217         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7218         and simplify.
7219         (get_bb_type): Optimize.
7220         (is_pred): Remove.
7221         (is_bb_addable): Fix memleak, replace is_pred call with
7222         single_pred.
7223         (build_scops): Use current_loops.
7224         (param_index): Fix memleak.
7225
7226 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7227
7228         * graphite.c: Fix formatting.
7229
7230 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7231
7232         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7233         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7234         (create_var_name, save_var_name): Newly defined functions.
7235         (initialize_cloog_names): Part of the code factored out to
7236         save_var_name.
7237         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7238         in clast_reduction statement.
7239         (graphite_create_new_loop): Now takes a new parameter
7240         for outer_loop.
7241         (translate_clast): Now also takes the context_loop and bb_exit
7242         parameters. Rewritten the code so that it creates a gimple code
7243         inside the given context.
7244         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7245         remove_cond_expr, disconnect_cond_expr,
7246         disconnect_virtual_phi_nodes): Newly defined functions.
7247         * graphite.h (struct scop): added old_ivs vector.
7248         SCOP_OLDIVS: New macro.
7249
7250 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7251
7252         * cfgloopmanip.c: Add missing function comments, fix formatting.
7253
7254 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7255
7256         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7257         (create_empty_loop_on_edge): Defined.
7258         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7259         instead of void.
7260         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7261         (update_dominators_in_loop): Declared as extern
7262         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7263
7264 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7265
7266         * graphite.c (print_graphite_bb): Allow changing number of loops
7267         in SCoP domain.
7268         (initialize_cloog_names): Allow changing number of loops.
7269         (build_cloog_prog): Simplify.
7270         (find_transform): Enable cloog option --strides.
7271         (graphite_swap_loops): New.
7272         (graphite_strip_mine_loop): New.
7273         (graphite_trans_swap_1and2): New.
7274         (graphite_trans_strip): New.
7275         (graphite_transform_loops): Add graphite_trans_strip.
7276         * graphite.h (scop_max_loop_depth): New.
7277
7278 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7279
7280         * graphite.c (build_scop_iteration_domain): Remove forgotten
7281         line. (Fixes compile)
7282
7283 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7284
7285         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7286         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7287         (build_bb_loops): New.
7288         (graphite_transform_loops): Add build_bb_loops.
7289         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7290         numbers.
7291         * graphite.h (graphite_bb): Add loops.
7292         (gbb_nb_loops): New.
7293         (gbb_loop_at_index): New.
7294         (gbb_loop_index): New.
7295         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7296         using nb_params_in_scop.
7297
7298 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7299
7300         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7301         (build_scop_canonical_schedules): Build minimized schedule.
7302         (schedule_to_scattering): Adapt to minimized schedule.
7303         * graphite.h (graphite_bb): Add/Update descriptions.
7304
7305 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7306             Tobias Grosser  <grosser@fim.uni-passau.de>
7307
7308         * graphite.c (print_graphite_bb): Add condition printing.
7309         (dump_value): New.
7310         (dump_gbb_conditions): New.
7311         (build_scop_conditions_1): New.
7312         (build_scop_conditions): New.
7313         * graphite.h (graphite_bb): Add conditions.
7314
7315 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7316
7317         * graphite.c (print_graphite_bb):
7318         (free_graphite_bb): New.
7319         (free_scop): Free bbs.
7320         (get_bb_type): Free doms.
7321         (build_scop_context): Free context matrix.
7322         (build_loop_iteration_domains): Remove unused code.
7323         (build_cloog_prog): Free scattering function and blocklist.
7324         (find_transform): Free options.
7325
7326 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7327
7328         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7329         Remove unnecessery cloog data structures. Make a copy of the domain
7330         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7331         unnecessary cloog data structures. Fix memory leaks. Remove insert
7332         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7333         used.
7334         (build_scop_iteration_domain): Remove unnecessary cloog
7335         data structures.  Fix memory leaks.
7336         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7337         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7338
7339 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7340
7341         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7342
7343 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7344
7345         * graphite.c (end_scop): Style fix.
7346         (schedule_to_scattering): Style and comment fix.
7347
7348 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7349         * graphite.c (print_graphite_bb): Fix definiton of
7350         schedule_to_scattering.
7351         (initialize_cloog_names): Change nb_scattdims to max loop
7352         depth in SCoP.
7353         (schedule_to_scattering): Take parameter for number of scattering
7354         dimensions.
7355         (build_cloog_prog): Only build as much scattering dimensions as
7356         necessary.
7357
7358 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7359
7360         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7361         in polyhedron/aermod.f90.
7362
7363 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7364             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7365             Harsha Jagasia  <harsha.jagasia@amd.com>
7366
7367         * graphite.c (is_bb_addable): Fix segfault.
7368
7369 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7370
7371         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7372         with multiple exits and conditional handling in edge cases.
7373         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7374
7375         * gcc.dg/graphite/scop-14.c: New.
7376
7377 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7378             Adrien Eliche  <aeliche@isty.uvsq.fr>
7379
7380         * graphite.c (is_bb_addable): Add more comments and enhance
7381         readablity of the source code. Fix memory leak.
7382         (is_loop_exit): Fix memory leak.
7383
7384 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7385
7386         * graphite.c (first_loop_in_scop): Deleted.
7387         (setup_cloog_loop): Only walk the loop chain for inner loops.
7388         (build_scop_iteration_domain): Execute setup_cloog_loop for
7389         all loops in the first layer.
7390
7391 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7392
7393         * graphite.c (scan_tree_for_params): Change the way params are
7394         added to be indepenent of the number of loops.
7395         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7396         handling.
7397         (build_cloog_prog): Revert to short matrix format.
7398
7399 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7400             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7401
7402         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7403         warning.
7404
7405 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7406
7407         * graphite.c (nb_data_refs_in_scop): New.
7408         (graphite_transform_loops): Print more stats: number of
7409         loops, basic blocks and data references per scop.
7410
7411 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7412             Jan Sjodin  <jan.sjodin@amd.com>
7413
7414         * graphite.c (loop_affine_expr, idx_record_params,
7415         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7416         instead of instantiate_parameters.
7417
7418 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7419
7420         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7421         add support for parameters, add STATIC_SCHEDULE at the right places,
7422         cleanup.
7423
7424 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7425
7426         * graphite.c (build_scop_loop_nests): Only add the loops, that
7427         are contained completely in the SCoP.
7428         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7429         and the domains are fixed.
7430         (build_scop_canonical_schedules): Add support for bbs not contained
7431         in any SCoP.
7432
7433 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7434
7435         * graphite.h (scop_contains_loop): Update comments to match
7436         the actual behavior.
7437         (scop_contains_loop): New.
7438         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7439
7440 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7441
7442         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7443         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7444         as GBB_COND_HEADER.
7445
7446 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7447             Tobias Grosser  <grosser@fim.uni-passau.de>
7448
7449         * graphite.c (graphite_transform_loops): Early return when
7450         there are no loops in the function.
7451
7452 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7453             Jan Sjodin  <jan.sjodin@amd.com>
7454
7455         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7456         offset of the last loop.
7457         (setup_cloog_loop): Copy the entire outer constraint matrix.
7458
7459 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7460             Jan Sjodin  <jan.sjodin@amd.com>
7461
7462         * graphite.c (stmt_in_scop_p, function_parameter_p,
7463         invariant_in_scop_p): Removed.
7464         (scan_tree_for_params): Can be used with no constraint
7465         matrix for gathering parameters.
7466         (idx_record_params): Don't use idx_record_param, instead use
7467         scan_tree_for_params.
7468         (find_scop_parameters): Same.
7469         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7470         Fix the size of loop domains.
7471         (schedule_to_scattering): Exit when the outer loop is not in scop.
7472         (find_transform): Enable build_cloog_prog.
7473
7474 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7475             Jan Sjodin  <jan.sjodin@amd.com>
7476
7477         * graphite.c (schedule_to_scattering): Make scattering domains
7478         uniformly of the same size, as required by CLooG 0.14.0 and before.
7479
7480 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7481             Jan Sjodin  <jan.sjodin@amd.com>
7482
7483         * graphite.c (schedule_to_scattering): Rewrite, correct the
7484         translation of the scheduling function to scattering.
7485         (build_cloog_prog): Call schedule_to_scattering only once.
7486         * graphite.h (scop_loop_index): Do not fail for loops not
7487         in the scop: return -1.
7488
7489 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7490
7491         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7492         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7493         (setup_cloog_loop): Export GBB_DOMAIN.
7494         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7495         able to rebuild the original control flow.
7496         * graphite.h (graphite_bb): Add domain field and access macro.
7497         (GBB_DOMAIN): New.
7498
7499 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7500
7501         * graphite.c (debug_gbb): New.
7502         (print_scop, build_graphite_bb): Use SCOP_BBS.
7503         (build_scop_bbs): Reimplemented.
7504         (dfs_bb_in_scop_p): Removed.
7505         (build_scop_loop_nests): Reorder loops inserted in
7506         SCOP_LOOP_NEST: outer loops should come first.
7507         (build_scop_canonical_schedules): Reinitialize at zero
7508         the components of the SCOP_STATIC_SCHEDULE for the loops
7509         that have already been parsed.
7510
7511         * graphite.h (debug_gbb): Declared.
7512
7513 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7514             Jan Sjodin  <jan.sjodin@amd.com>
7515
7516         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7517         (graphite_loop_to_gcc_loop): Removed.
7518         (remove_all_edges): New.
7519         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7520         (gloog): Remove useless code.
7521
7522 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7523
7524         * graphite.c (get_bb_type): Reworked. We distinguish between
7525         loops with one or multiple exits.
7526         (is_loop_exit): New.
7527         (is_pred): New.
7528         (is_bb_addable): Rework condition handling, now support for case
7529         case statements and loops with multiple exits.
7530
7531         * gcc.dg/graphite/scop-11.c: New.
7532         * gcc.dg/graphite/scop-12.c: New.
7533         * gcc.dg/graphite/scop-13.c: New.
7534
7535 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7536
7537         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7538         we have too many colors.
7539
7540 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7541
7542         * doc/invoke.texi (-ftree-loop-fusion): Document.
7543         * tree-pass.h (pass_loop_fusion): Declared.
7544         * tree-loop-fusion.c: New.
7545         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7546         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7547         * tree-data-ref.h (find_data_references_in_loop): Declared.
7548         * common.opt (ftree-loop-fusion): Declared.
7549         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7550
7551 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7552
7553         * graphite.c (build_access_matrix): Fix typo from the merge.
7554
7555 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7556
7557         * Merge from mainline (130800:135673).
7558
7559 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7560
7561         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7562         Update dominators after splitting.
7563
7564 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7565
7566         * graphite.c (is_bb_addable): Return the harmful statement.
7567         Factor up some code.
7568         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7569         (build_scops_1): Call end_scop.
7570
7571 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7572
7573         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7574         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7575         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7576         build_scops_1): Removed.
7577         (build_scops_2): Renamed build_scops_1.
7578
7579 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7580
7581         * graphite.c: Fix formatting.
7582
7583 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7584
7585         * graphite.c (get_bb_type): New.
7586         (move_scops): New.
7587         (build_scops_2): New.
7588         (is_bb_addable): New.
7589         (build_scops): Switch the scop detection.
7590         (build_scop_bbs): Add entry bb to scop.
7591         * graphite.h (struct scop): Update comment.
7592
7593 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7594
7595         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7596         more colors.
7597
7598 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7599
7600         * gcc.dg/graphite/scop-1.c: Update.
7601         * gcc.dg/graphite/scop-2.c: Update.
7602         * gcc.dg/graphite/scop-4.c: Update.
7603         * gcc.dg/graphite/scop-5.c: Add.
7604         * gcc.dg/graphite/scop-6.c: Add.
7605
7606 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7607
7608         * gcc.dg/graphite/scop-0.c: Add.
7609         * gcc.dg/graphite/scop-7.c: Add.
7610         * gcc.dg/graphite/scop-8.c: Add.
7611         * gcc.dg/graphite/scop-9.c: Add.
7612         * gcc.dg/graphite/scop-10.c: Add.
7613
7614 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7615
7616         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7617         Check affine expressions depending on the outermost loop
7618         instead of a scop.
7619         (stmt_simple_for_scop_p): Same.
7620         (harmfule_stmt_in_scop): Same.
7621
7622 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7623
7624         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7625         mark entry and exit, that are not part of the SCoP and update HTML
7626         formatting.
7627
7628 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7629
7630         * graphite.c (basic_block_simple_for_scop_p): Renamed
7631         harmful_stmt_in_bb.
7632         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7633         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7634         (all_preds_visited_p, all_succs_visited_p,
7635         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7636         scop_end_loop): New.
7637         (build_scops): Do not use dfs_enumerate_from.
7638
7639         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7640
7641 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7642
7643         * graphite.c: Add comments to functions that are missing a
7644         description.
7645         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7646
7647 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7648
7649         * graphite.c (nb_params_in_scop): Moved...
7650         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7651         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7652         (clast_to_gcc_expression): Reduce column size to less than 80.
7653         (graphite_create_iv): Return the new name of the IV.
7654         (find_transform): Set options->esp and options->cpp.
7655         (gloog): Comment out the invalidation of the old loop code.
7656         (initialize_dependence_polyhedron): Replace scop_nb_params with
7657         nb_params_in_scop.
7658
7659         * graphite.h (nb_params_in_scop): ... here.
7660         (scop_nb_params): Removed.
7661         (loop_domain_dim): Return something even when the loop was not
7662         found in the hash table: avoid ICEing on all the graphite.exp
7663         testcases.
7664
7665 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7666
7667         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7668
7669         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7670         according to nesting level.
7671         (find_scop_parameters): Call instantiate_parameters.
7672         (scan_tree_for_params): Extend it to handle general affine bounds.
7673         Inner loop bound can depend on outer loop induction variable.
7674         (setup_cloog_loop): tmp variable is allocated on stack. Call
7675         instantiate_parameters with respect to outermost_loop_in_scop.
7676         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7677         graphite.h.
7678         (create_empty_loop): Function loopify should be given edge
7679         probability, instead of edge frequency. Dominance relation from
7680         switch_bb to loop_header.
7681         (clast_to_gcc_expression): Added handling of clast_reduction node.
7682         (gloog): New functionality for removing old loop.
7683         (test_dependence): Factored out from build_rdg_all_levels.
7684         (build_rdg_all_levels): Dependence testing factored out to
7685         test_dependence function.
7686
7687         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7688         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7689         from graphite.c
7690
7691 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7692
7693         * graphite.c (free_scop, param_index, initialize_cloog_names,
7694         nb_params_in_scop): Use name_tree map instead of just a tree
7695         for keeping track of the variable name associated to that tree.
7696         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7697         clast_to_gcc_expression, graphite_create_iv,
7698         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7699         graphite_stmt_to_gcc_stmt): New.
7700         (gloog): Call these.
7701         * graphite.h (struct name_tree): New.
7702         (struct scop): Use name_tree instead of tree for params.
7703         Store a vector of name_tree for new_ivs.
7704         (SCOP_NEWIVS): New.
7705         (scop_nb_params): Use name_tree instead of tree.
7706
7707 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7708             Sebastian Pop  <sebastian.pop@amd.com>
7709
7710         * tree-bounds.c: New.
7711         * tree-bounds.h: New.
7712         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7713         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7714         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7715         flag_mudflap.
7716         * gcc.c: Same.
7717         * toplev.c: Same.
7718         * c-cppbuiltin.c: Same.
7719         * c-pragma.c: Same.
7720         * common.opt: Same.
7721         * varasm.c: Same.
7722         * tree-outof-ssa.c: Same.
7723         * c-common.c: Same.
7724         * Makefile.in: Same.
7725
7726 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7727             Sebastian Pop  <sebastian.pop@amd.com>
7728
7729         * tree-loop-distribution.c (remaining_stmts,
7730         upstream_mem_writes): Removed static variables.
7731         (copy_loop_before, create_bb_after_loop,
7732         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7733         rdg_build_components, rdg_build_partitions,
7734         dump_rdg_partitions): Extern.
7735         (generate_loops_for_partition, generate_code_for_partition): Do not
7736         return a bool.
7737         (already_processed_vertex_p, predecessor_has_mem_write,
7738         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7739         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7740         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7741         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7742         Pass remaining_stmts and upstream_mem_writes as parameters.
7743         (rdg_component): Moved...
7744         (build_rdg_partition_for_component): Do not aggregate components when
7745         flag_streamize_loops is set.
7746         (gen_sequential_loops): New.
7747         (ldist_gen): Call gen_sequential_loops.
7748
7749         * tree-pass.h (pass_loop_streamization): Declared.
7750
7751         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7752         basic blocks when loops structures exist.
7753
7754         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7755
7756         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7757
7758         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7759         eliminate_local_variables_stmt, eliminate_local_variables,
7760         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7761         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7762         of code delimited by two edges in the CFG.
7763         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7764         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7765         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7766         the case of parallelisation of reductions.
7767         (create_loop_fn): Extern.
7768         (create_omp_parallel_region): New.
7769
7770         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7771         dump_data_reference for printing dra and drb.
7772         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7773         RDGE_RELATION.
7774         (build_rdg): Don't call free_dependence_relations for the moment, as
7775         we attach dependence relations on each edge of the RDG.
7776         To be fixed later.
7777
7778         * tree-data-ref.h (rdg_component): ...here.
7779         (struct rdg_edge): New field ddr_p relation.
7780         (RDGE_RELATION): New.
7781         (create_bb_after_loop, copy_loop_before,
7782         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7783         rdg_build_partitions, dump_rdg_partitions,
7784         free_rdg_components): Declared.
7785
7786         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7787         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7788
7789         * tree-loop-streamization.c: New.
7790
7791         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7792         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7793
7794         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7795
7796         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7797
7798         * passes.c: Schedule pass_loop_streamization.
7799
7800 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7801
7802         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7803         update comment.
7804
7805 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7806
7807         * graphite.c (dot_all_scops): Update formatting.
7808         Bbs can now be part of more than one SCoP.
7809
7810 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7811
7812         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7813         malloc problems.
7814         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7815         * graphite.h (loop_to_cloog_loop): New.
7816
7817 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7818
7819         * graphite.c (loop_domain_dim, ref_nb_loops,
7820         loop_iteration_vector_dim): New.
7821         (build_access_matrix_with_af, build_access_matrix,
7822         initialize_dependence_polyhedron): Fixed for new matrix layout.
7823         No longer assume that all iteration domains are of the same
7824         dimensionality.
7825
7826 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7827
7828         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7829         defined in a loop at depth 0 is invariant.
7830         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7831         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7832         be called at loop depth 0.
7833
7834         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7835         a parameter.
7836         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7837         (down_open_scop): Removed.
7838         (loop_in_scop_p): Redefined.
7839         (scop_affine_expr): New argument: scop.
7840         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7841         a harmful statement ending a scop.
7842         (basic_block_simple_for_scop_p): New argument: scop.
7843         (get_loop_start): Removed.
7844         (new_scop): Initialize SCOP_LOOPS.
7845         (free_scop): Free SCOP_LOOPS.
7846         (succs_at_same_depth, preds_at_same_depth): New.
7847         (end_scop): Test the validity of a scop.
7848         (add_dominators_to_open_scops): New.
7849         (test_for_scop_bound): Call add_dominators_to_open_scops.
7850         Add cases for opening and closing multiple scops.
7851         (build_scops, build_scop_bbs): Iterate over basic blocks in
7852         depth first order.
7853         (build_graphite_bb): Pass scop directly.
7854         (dfs_bb_in_scop_p): New.
7855         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7856         several times.
7857         (nb_loops_around_gb): Use loop_in_scop_p.
7858         (schedule_to_scattering): Disabled for the moment the code computing
7859         the "textual order for outer loop".
7860
7861         * graphite.h (struct scop): New field loops.
7862         (SCOP_LOOPS): New.
7863         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7864
7865         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7866
7867 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7868             Sebastian Pop  <sebastian.pop@amd.com>
7869
7870         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7871         * common.opt (fstreamize-loops): New.
7872         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7873         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7874         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7875         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7876
7877 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7878
7879         * tree-data-ref.c (build_empty_rdg): New.
7880         (build_rdg): Use it.
7881         * tree-data-ref.h (build_empty_rdg): Declared.
7882         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7883         (find_vertex_for_stmt): Removed.
7884         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7885
7886 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7887
7888         * tree-loop-distribution.c (generate_builtin): After cancelling the
7889         loop tree, also delete basic blocks.
7890         (rdg_flag_uses): Stop recursion when a vertex has already been
7891         processed.
7892
7893 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7894
7895         * graphite.c (build_scop_alpha): Removed.
7896         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7897         and dump_dependence_graph to avoid compiler warnings.
7898
7899 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7900
7901         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7902         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7903         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7904         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7905         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7906         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7907         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7908         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7909         dump_dependence_graph): New.
7910         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7911         (GBB_ALPHA): New.
7912         (struct scop): New field loop2cloog_loop.
7913         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7914         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7915
7916 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7917
7918         * graphite.c (build_graphite_bb): Fix initialization
7919         of the graphite basic block.
7920
7921 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7922
7923         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7924         loop domain matrix.  Pass in the number of loops contained in the
7925         constraint matrix.
7926         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7927         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7928         loops that are not surrounding the current loop are not represented
7929         in the domain constraint matrix.
7930         (build_scop_iteration_domain): Initial domain constraint matrix
7931         contains only the eq/ineq, cst, and scop parameters columns.
7932
7933 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7934
7935         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7936         (print_graphite_bb): Print scattering.
7937
7938 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7939
7940         * graphite.c (initialize_cloog_names): Initialize names of
7941         scattering variables.
7942
7943 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7944
7945         * graphite.c (dot_all_scops_1): Disable debug output while
7946         printing graph.
7947
7948 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7949
7950         * graphite.c (find_transform): Change cloog output language to C.
7951
7952 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7953
7954         * tree-loop-distribution.c (generate_memset_zero,
7955         generate_builtin, generate_code_for_partition,
7956         rdg_flag_all_uses): New.
7957         (rdg_flag_uses): Gather in the same partition the statements defining
7958         the VUSES of the current statement.
7959         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7960         Gather in the same partition not only the stores to the same memory
7961         access, but also the reads.
7962         (ldist_generate_loops): Renamed ldist_gen.
7963
7964 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7965             Tobias Grosser  <grosser@fmi.uni-passau.de>
7966
7967         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7968         next pointer, don't use the inner pointer.
7969
7970 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7971
7972         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7973         (find_transform): Call dot_all_1.
7974         * graphite.h (dot_all_scops): Declared.
7975
7976 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7977
7978         * tree-loop-distribution.c: Fix apsi.f ICE.
7979         (create_bb_after_loop): New.
7980         (generate_loops_for_partition): Use it.
7981         * gfortran.dg/ldist-1.f90: New.
7982
7983         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7984         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7985
7986 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7987
7988         * graphite.c (find_transform): Dump cloog program sent to cloog.
7989
7990 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7991
7992         * graphite.c (initialize_cloog_names): Initialize cloog
7993         iterator names.
7994
7995 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7996
7997         * graphite.c (build_scop_context): Fix typo, for the matrix
7998         format: insert '0 >= 0' instead of '-1 >= 0'.
7999
8000 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8001
8002         * Fix merge problems.
8003
8004 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8005
8006         * graphite.c (setup_cloog_loop): Fix typo.
8007
8008 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8009
8010         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8011         * tree-loop-distribution.c: Reimplemented.
8012         * tree-pass.h (pass_loop_distribution): New.
8013         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8014         print_loops.
8015         * graphds.h (struct graph): New field indexes.
8016         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8017
8018         * tree-vect-analyze.c: Remove declaration of static functions when not
8019         needed.
8020         * tree-vectorizer.c: Same.
8021         (rename_variables_in_loop): Now extern.
8022         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8023         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8024         calling redirect_edge_and_branch_force.
8025
8026         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8027
8028         * tree-data-ref.c: Don't include tree-chrec.h.
8029         (debug_data_dependence_relations): New.
8030         (dump_data_dependence_relation): Call dump_data_reference on data refs
8031         in the relation.
8032         (same_access_functions): Moved...
8033         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8034         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8035         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8036         struct rdg_vertex_info, ): New.
8037         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8038         at DDR_REVERSED_P.
8039         (create_rdg_vertices): Initialize the htab of graph->indexes.
8040         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8041         (stmts_from_loop): Don't save LABEL_EXPR.
8042         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8043         hash_stmt_vertex_del): New.
8044         (build_rdg): Initialize rdg->indexes.
8045         (free_rdg, stores_from_loop, ref_base_address,
8046         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8047         have_similar_memory_accesses_1, ref_base_address_1,
8048         remove_similar_memory_refs): New.
8049
8050         * tree-data-ref.h: Include tree-chrec.h.
8051         (debug_data_dependence_relations): Declared.
8052         (same_access_functions): ...here.  Now static inline.
8053         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8054         ddr_dependence_level): New.
8055         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8056         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8057         RDG_MEM_READS_STMT): New.
8058         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8059         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8060         rdg_vertex_for_stmt): Declared.
8061         (struct rdg_edge): New field level.
8062         (RDGE_LEVEL, free_rdg): New.
8063         (stores_from_loop, remove_similar_memory_refs,
8064         rdg_defs_used_in_other_loops_p,
8065         have_similar_memory_accesses): Declared.
8066         (rdg_has_similar_memory_accesses): New.
8067
8068         * lambda.h (dependence_level): New.
8069         * common.opt (ftree-loop-distribution): New.
8070         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8071         (print_loop_ir): Renamed print_loops.
8072         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8073         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8074         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8075         (tree-loop-distribution.o): Added.
8076         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8077         (mark_virtual_ops_in_bb): New.
8078         (print_loops_bb, debug_loop_num, debug_loop): New.
8079         * passes.c: Scheduled pass_loop_distribution.
8080
8081 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8082
8083         * graphite.c (scan_tree_for_params): Correct the number of columns
8084         for polylib format.
8085         (nb_flat_iterator): New.
8086         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8087         (build_scop_iteration_domain): Correct the number of columns for
8088         polylib format.
8089
8090 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8091
8092         * Merge from mainline (129697:130800).
8093
8094 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8095
8096         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8097         dominated by SCoP's exit.
8098         (graphite_transform_loops): Compute post dominators.
8099
8100 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8101
8102         * Merge from mainline (127169:129697).
8103
8104 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8105
8106         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8107         parameter for the basic block that contains the expression.  Use
8108         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8109         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8110         the expression.
8111         * graphite.h (gbb_loop): New.
8112         (GBB_LOOP): Removed.
8113
8114 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8115
8116         * Makefile.in: Fix merge problem.
8117
8118 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8119
8120         * Merge from mainline (125309:127169).
8121         * tree-loop-distribution.c: Disabled.
8122
8123 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8124
8125         * Merge from mainline (r123693:125309).
8126
8127 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8128
8129         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8130         correct_modify_p
8131         (correct_modify_p, check_statements, number_of_lvalue_uses,
8132         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8133         instead of MODIFY_EXPR.
8134         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8135         and push new edges.
8136
8137 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8138
8139         * tree-loop-distribution.c (struct rdg): Replace arrays by
8140         VECs for edges and vertices.
8141         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8142         (RDGV_NB_PARTITIONS): New.
8143         (PRDG_NBV, PRDG_NBE): Removed.
8144         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8145         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8146         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8147
8148 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8149             Sebastian Pop  <sebpop@gmail.com>
8150
8151         * doc/invoke.texi (-ftree-loop-distribution): Document.
8152         * tree-loop-distribution.c: New file.
8153         * tree-pass.h (pass_loop_distribution): Declared.
8154         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8155         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8156         and set reversed_p.
8157         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8158         (DDR_REVERSED_P): New.
8159         * common.opt (-ftree-loop-distribution): New.
8160         * tree-flow.h (distribute_loops): Declared.
8161         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8162         * passes.c (init_optimization_passes): Schedule loop distribution.
8163
8164 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8165
8166         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8167         (print_scop): Don't print when scop is NULL.
8168         (build_scop_context, find_transform): Don't output to stderr.
8169
8170 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8171
8172         * tree-data-ref.c: Don't include graphite.h.
8173         Comment out the code for printing data reference's scop.
8174         (build_access_matrix_with_af): Moved...
8175         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8176         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8177         (print_graphite_bb): Print basic block's schedule.
8178         (print_scop): Don't print the schedule, call cloog's pretty printer.
8179         (bb_in_scop_p): A basic block is in a scop only if it is both
8180         dominated and postdominated by the scop's entry and exit basic blocks.
8181         (function_parameter_p): New.
8182         (invariant_in_scop_p): Use function_parameter_p.
8183         (new_scop, save_scop): New.
8184         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8185         save_scop.
8186         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8187         (loop_in_scop_p): New.
8188         (scop_record_loop): Use loop_in_scop_p.
8189         (build_scop_domain): Renamed build_scop_iteration_domain.
8190         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8191         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8192         setup_cloog_loop, dot_scop_1, dot_scop): New.
8193         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8194         (struct scop): Add a pointer to cloog's representation of a program.
8195
8196 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8197
8198         * doc/invoke.texi (-ftree-check-verbose): Renamed
8199         -ftree-checks-verbose.
8200         * common.opt (flag_tree_check_verbose): Renamed
8201         flag_tree_checks_verbose.
8202         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8203
8204 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8205
8206         * configure: Regenerated.
8207         * config.in: Regenerated.
8208         * tree-ssa-loop.c (graphite_transforms): Execute
8209         graphite_transform_loops only when HAVE_cloog.
8210         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8211         * graphite.c: Include polylibgmp.h and cloog.h.
8212         (graphite_transform_loops): Removed loops parameter.
8213         * tree-flow.h (graphite_transform_loops): Update declaration.
8214         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8215         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8216         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8217         (OBJS-common): Remove dependence on graphite.o.
8218         (BACKEND): Depend on @GRAPHITE@.
8219
8220 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8221
8222         * doc/invoke.texi (-ftree-check-verbose): Documented.
8223         * gcc.dg/tree-checker/tree-checks-1.c: New.
8224         * gcc.dg/tree-checker/tree-checks-2.c: New.
8225         * gcc.dg/tree-checker/tree-checks-3.c: New.
8226         * gcc.dg/tree-checker/tree-checks-4.c: New.
8227         * gcc.dg/tree-checker/tree-checks.exp: New.
8228         * gcc.dg/tree-checker/condates.crp: New.
8229         * common.opt (ftree-checks-verbose): New.
8230         * tree-check.c (tree_check_warning): Move extra stderr output
8231         under control of flag_tree_check_verbose.
8232
8233 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8234
8235         * tree-match.c: Fix comments formatting.
8236         * tree-match.h: Fix comments formatting.
8237         * tree-check.c: Fix comments formatting.
8238         (tree_check_init): Restructure.
8239
8240 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8241
8242         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8243
8244 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8245
8246         * Merge from mainline (r120733:123693).
8247
8248 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8249
8250         * condate.y: New file.
8251         * tree-match.h (struct patt_info_s): New field sign.
8252         (struct condate_s): New field msg.
8253         (normalize_condate, name_condate, add_condate): New.
8254         (conds[], condate_parse): Made extern.
8255         * tree-check.c (tree_check_warning): First arg changed to cond;
8256         warning reformatted.
8257         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8258         (tree_scan): New.
8259         (tree_check): Process trivial condates.
8260         (read_delimited_string): Removed.
8261         (print_cond): Print name and msg.
8262         (conds[]): Made extern.
8263         (parse_tree_check_file_once): Rewritten to use the parser in
8264         condate.y.
8265         Processing of option --tree_check_string moved to tree_scan().
8266         * Makefile.in: Added condate.y
8267
8268 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8269
8270         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8271         Use VECs instead of varrays.
8272         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8273         * Makefile.in (pretty-print.o): Depend on vec.h.
8274         * pretty-print.c: Include tree.h and vec.h.
8275         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8276         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8277         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8278         pp_free_list): Use VECs instead of varrays.
8279         * pretty-print.h: Do not include varray.h.
8280         (struct tree_chunk_s): Declaration moved before its use.
8281         (output_buffer): Rename varray field to chunks.
8282         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8283         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8284         save_global_holes): Use VECs instead of varrays.
8285         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8286         * tree-check.c (scan_cfg_stmts, push_node,
8287         print_matching_stmt): Removed.
8288         (tree_check_instance, push_global_holes_if_new, tree_check,
8289         execute_tree_check): Use VECs instead of varrays.
8290         (gate_tree_check): Don't execute the CFG check when basic_block_info
8291         is not available.
8292
8293 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8294
8295         * Merge from mainline (r115016:120733).
8296
8297 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8298
8299         * Merge from mainline (r117632:117661).
8300
8301 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8302
8303         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8304         * tree-pass.h (TDF_DEBUG, debug_p): New.
8305         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8306         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8307         get_loop_exit_condition, analyze_evolution_in_loop,
8308         analyze_initial_condition, analyze_scalar_evolution,
8309         instantiate_parameters, number_of_latch_executions): Use debug_p.
8310         * tree-chrec.c (chrec_apply): Use debug_p.
8311         * tree-data-ref.c: Include graphite.h.
8312         (dump_data_reference): Print also the access matrix.
8313         (analyze_array, analyze_indirect_ref, init_data_ref,
8314         analyze_offset_expr, address_analysis, object_analysis,
8315         create_data_ref, finalize_ddr_dependent,
8316         non_affine_dependence_relation, analyze_ziv_subscript,
8317         analyze_siv_subscript_cst_affine,
8318         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8319         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8320         analyze_miv_subscript, analyze_overlapping_iterations,
8321         build_classic_dist_vector, subscript_dependence_tester,
8322         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8323         (build_access_matrix_with_af): No longer static.
8324         * tree-data-ref.h (scop_p): ... declaration here.
8325         (data_reference.scop): New field.
8326         (DR_SCOP, DR_ACCESS_MATRIX): New.
8327         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8328         * graphite.c (print_graphite_bb): Call dump_data_references.
8329         (print_scop): Use scop_nb_loops and scop_dim_domain.
8330         (test_for_scop_bound): Use debug_p.
8331         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8332         scop_nb_params.
8333         (scop_loop_index): Moved...
8334         (scop_record_loop): New.
8335         (build_scop_loop_nests): Use scop_record_loop.
8336         (build_scop_domain): Use scop_dim_domain.
8337         (build_access_matrix): Implemented.
8338         (build_scop_canonical_schedules): Use scop_nb_loops.
8339         (build_graphite_bb): Initialize GBB_SCOP.
8340         * graphite.h (scop_p): Moved...
8341         (graphite_bb.scop): New field.
8342         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8343         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8344         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8345         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8346         scop_loop_index): New.
8347         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8348
8349 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8350
8351         * Merge from mainline (r117661:120450).
8352
8353 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8354
8355         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8356         at the first declaration outside the varying loop, instantiate as
8357         far as possible.
8358         * tree-chrec.c (for_each_scev_op): New.
8359         * tree-chrec.h (for_each_scev_op): Declared.
8360         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8361         * tree-data-ref.c (get_references_in_stmt,
8362         find_data_references_in_stmt): New, from trunk.
8363         (find_data_references_in_loop): Use get_references_in_stmt
8364         and find_data_references_in_loop, modified as in trunk.
8365         (build_access_matrix_with_af): New.
8366         * tree-data-ref.h (data_reference): Add a field access_matrix.
8367         (data_ref_loc): New, as in trunk.
8368         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8369         invariant_in_scop_p, param_index, scan_tree_for_params,
8370         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8371         idx_record_param, idx_record_params, build_access_matrix,
8372         build_scop_data_accesses, build_scop_canonical_schedules,
8373         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8374         build_scop_params): New.
8375         * graphite.h (graphite_bb): New.
8376         (scop): Add fields static_schedule, params, loop_nest,
8377         iteration_domain.
8378         * lambda.h: Declare vecs of lambda_matrix.
8379         * tree-flow.h (print_loop_ir_bb): Declared.
8380         * tree-cfg.c (print_loop_ir_bb): New.
8381         (print_loop): Use print_loop_ir_bb.
8382
8383 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8384
8385         * Merge from mainline (r115016:117632).
8386
8387 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8388
8389         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8390         break due to a warning.
8391
8392 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8393
8394         * graphite.c (print_scops, debug_scops): New.
8395         (graphite_transform): Renamed graphite_find_transform.
8396         * graphite.h (debug_scops): Declared.
8397
8398 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8399
8400         * tree-match.c: Reformat following the GNU style.
8401         * tree-match.h: Reformat following the GNU style.
8402         * tree-pattern.h: Removed empty file.
8403         * Makefile.in: Remove references to tree-pattern.h.
8404         * tree-check.c: Reformat following the GNU style.
8405         (execute_tree_check): Move gate condition code to...
8406         (gate_tree_check): ...here.  New function.
8407         (pass_check): Use the gate function.
8408
8409 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8410
8411         * tree-pattern.h: New. Tree pattern matching and checking using
8412         concrete syntax.
8413         * tree-check.c: New. Tree/CFG checking pass.
8414         * tree-match.c: New. Library for tree pattern matching.
8415         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8416         * toplev.c, flags.h: Add globals for tree-check pass.
8417         * Makefile.in: Integrate the files in tree-check pass.
8418         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8419         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8420         Introduce a "lazy" pretty-print mode.
8421         * tree.c, tree.h: Add tree_name.
8422
8423 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8424
8425         * doc/invoke.texi (-fgraphite): Correct typo.
8426         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8427         use of print_loop_ir.
8428         * gcc.dg/graphite/scop-1.c: New.
8429         * gcc.dg/graphite/scop-2.c: New.
8430         * gcc.dg/graphite/graphite.exp: New.
8431         * graphite.c: Include domwalk.h.
8432         (print_scop): Print only the entry and exit blocks.
8433         (debug_scop): No longer static.
8434         (affine_expr): Fix formating.  Return also true when the expression is
8435         constant.
8436         (stmt_simple_for_scop_p): Fix formating.
8437         (build_scops): Use domwalk.
8438         (get_loop_start, end_scop, test_for_scop_bound): New.
8439         (graphite_transform_loops): Avoid printing on stderr.
8440         * graphite.h (debug_scop): Declared.
8441         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8442         * Makefile.in (graphite.o): Depend on domwalk.h.
8443         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8444         declarations for static functions.
8445         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8446         controlling output verbosity.
8447
8448 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8449             Plesco Alexandru  <shurikx@gmail.com>
8450
8451         * doc/invoke.texi (-fgraphite): Document.
8452         * tree-pass.h (pass_graphite_transforms): Declared.
8453         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8454         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8455         (pass_graphite_transforms): Defined.
8456         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8457         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8458         * graphite.c, graphite.h: New.
8459         * common.opt (fgraphite): Declared.
8460         * tree-flow.h (graphite_transform_loops): Declared.
8461         * Makefile.in (OBJS-common): Add graphite.o.
8462         (graphite.o): New rule.
8463         * passes.c (pass_graphite_transforms): Scheduled.
8464