gcc/ChangeLog.graphite

   1 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/45229
   4         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
   5         handle GIMPLE_CALLs with no LHS.
   6
   7 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
   8             Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
  11         Call remove-build-file to clean up the generated *.graphite files.
  12
  13 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  14
  15         * doc/invoke.texi (debugging options): Update documentation.
  16         (-floop-interchange): Same.
  17         (-flopp-strip-mine): Same.
  18         (-floop-block): Same.
  19         (-fgraphite-read): Add documentation.
  20         (-fgraphite-write): Same.
  21
  22 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  23
  24         * toplev.c (process_options): Disable graphite loop optimization
  25         options when -fgraphite-read flag is used.
  26
  27 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  28
  29         * graphite-poly.c (init_graphite_out_file): New.
  30         (init_graphite_in_file): New.
  31         (apply_poly_transforms): Updated to enable reading and writing of
  32         multiple scop files.
  33         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
  34
  35 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
  36
  37         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
  38         redundant checks.
  39
  40 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         * graphite-clast-to-gimple.c (precision_for_value): Adjust
  43         computation of precision by 1.
  44
  45 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  46
  47         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
  48         (openscop_read_polyhedron_matrix): New.
  49         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
  50         (openscop_read_N_int): Same.
  51         * graphite-poly.c (openscop_read_N_int): New.
  52         (openscop_read_one_int): New.
  53         (openscop_read_N_string): New.
  54         (openscop_read_one_string): New.
  55         (openscop_read_powerset_matrix): New.
  56         (graphite_read_transforms): Remove.
  57         (graphite_read_scatt): New.
  58         (graphite_read_scop_file): New.
  59         (apply_poly_transforms): Updated to call graphite_read_scop_file.
  60
  61 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  62
  63         * graphite-poly.c: Change include order.
  64
  65 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  66
  67         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
  68         (cloog_matrix_nrows): New.
  69
  70 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  71
  72         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
  73         from matrix lines.
  74         * graphite-poly.c (openscop_print_scattering_function_1): Same.
  75         (print_scattering_function_1): Same.
  76         (openscop_print_pbb_domain): Same.
  77         (openscop_print_scop_context): Same.
  78         (print_scop_context): Same.
  79
  80 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  81
  82         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
  83         (openscop_print_pdr_polyhedron): Print pph.
  84
  85 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
  88         * gfortran.dg/graphite/graphite.exp: Same.
  89         * gcc.dg/graphite/vect-pr43423.c: New.
  90
  91 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
  92
  93         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
  94         priority signed types.
  95
  96 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
  97
  98         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
  99         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 100
 101 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 102
 103         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 104         (openscop_print_polyhedron_matrix): New.
 105         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 106         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 107         (openscop_print_pdr_powerset): New.
 108         (openscop_print_powerset_matrix): New.
 109         (openscop_print_scattering_function_1): New.
 110         (print_scattering_function): Add support for scattering names and
 111         OpenScop format.
 112         (graphite_write_transforms): Remove.
 113         (apply_poly_transforms): Updated to call print_scop.
 114         (print_pdr_access_layout): Updated to support OpenScop format.
 115         (print_pdr): Same.
 116         (openscop_print_pbb_domain): New.
 117         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 118         not provided.
 119         (print_pbb): Updated to call the new print_pbb_body.
 120         (openscop_print_scop_context): New.
 121         (print_scop_header): New.
 122         (print_scop): Updated to call print_scop_header.
 123         * graphite-poly.h: Document OpenScop format.
 124
 125 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 126
 127         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 128         the case removed in the previous patch, when the only phi argument
 129         is defined in the same loop as the phi node itself.  Handle it
 130         separately from the invariant case by both propagating it outside
 131         the region and replacing the phi node with an assign.
 132
 133 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 134
 135         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 136         constant phi nodes with one argument are is_gimple_min_invariant
 137         and SSA_NAME_IS_DEFAULT_DEF.
 138
 139         * gfortran.dg/graphite/id-22.f: New.
 140
 141 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 142
 143         * graphite.c (graphite_initialize): Do not initialize
 144         CLooG and initialize the Parma Polyhedra Library
 145         manually when using CLOOG_ORG.
 146         (graphite_finalize): Do not finalize CLooG and finalize
 147         the Parma Polyhedra Library manually when using CLOOG_ORG.
 148         * graphite-cloog-compat.h (cloog_initialize): Hide function
 149         when using CLOOG_ORG.
 150         (cloog_finalize): Same.
 151
 152 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 153
 154         * graphite-clast-to-gimple.c (free_scattering): Change
 155         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 156         (CLOOG_ORG).
 157         (build_cloog_prog): Same.
 158         * graphite-cloog-compat.h (cloog_domain): Removed.
 159         (cloog_scattering): New.
 160         (cloog_set_domain): Removed.
 161         (cloog_set_scattering): New.
 162         (cloog_next_domain): Removed.
 163         (cloog_next_scattering): New.
 164         (cloog_set_next_domain): Removed.
 165         (cloog_set_next_scattering): New.
 166         (CloogScatteringList): New.
 167         (CloogScattering): New.
 168         (cloog_scattering_free): New.
 169         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 170         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 171         New.
 172
 173 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 174
 175         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 176         CloogState.
 177         (set_cloog_options): Same.
 178         (print_clast_stmt): Same.
 179         (scop_to_clast): Same.
 180         (print_generated_program): Same.
 181         (gloog): Same.
 182         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 183         (scop_to_clast): Extend with CloogState.
 184         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 185         (new_Cloog_Domain_from_ppl_Polyhedron):
 186         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 187         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 188         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 189         * graphite-cloog-util.h (build_cloog_prog): Same.
 190         * graphite-cloog-copat.h (build_cloog_prog): New.
 191         (CloogState): New.
 192         (cloog_state_malloc): New.
 193         (cloog_state_free): New.
 194         (cloog_loop_malloc): New.
 195         (cloog_options_malloc): New.
 196         (cloog_statement_alloc): New.
 197         (cloog_domain_from_cloog_matrix): New.
 198         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 199         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 200
 201 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 202
 203         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 204         type of NAME now depends on used CLooG version.
 205         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 206         (gcc_type_for_clast_expr): Same.
 207         (print_clast_stmt): Replace pprint with clast_pprint.
 208         * graphite-cloog-compat.h: Provide compatibility macros for
 209         CLooG Legacy.
 210         (clast_name_p): New.
 211         (clast_expr_term): New.
 212         (clast_expr_red): New.
 213         (clast_expr_bin): New.
 214         (clast_pprint): New.
 215
 216 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 217
 218         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 219         compatible to newer CLooG releases (CLOOG_ORG).
 220         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 221         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 222         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 223         (build_cloog_prog) : New.
 224         (cloog_program_extract_scalars): New.
 225         (cloog_program_scatter): New.
 226
 227 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 228
 229         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 230         conditionally (CLOOG_ORG).
 231         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 232         (cloog_statement_usr): New.
 233         (cloog_domain): Same.
 234         (cloog_set_domain): Same.
 235         (cloog_next_domain): Same.
 236         (cloog_set_next_domain): Same.
 237         (cloog_program_nb_scattdims): Same.
 238         (cloog_program_set_nb_scattdims): Same.
 239         (cloog_program_names): Same.
 240         (cloog_program_set_names): Same.
 241         (cloog_program_set_context): Same.
 242         (cloog_program_set_loop): Same.
 243         (cloog_program_blocklist): Same.
 244         (cloog_program_set_blocklist): Same.
 245         (cloog_program_scaldims): Same.
 246         (cloog_program_set_scaldims): Same.
 247         (cloog_names_nb_parameters): Same.
 248         (cloog_names_set_nb_parameters): Same.
 249         (cloog_names_parameters): Same.
 250         (cloog_names_set_parameters): Same.
 251         (cloog_names_set_nb_iterators): Same.
 252         (cloog_names_set_iterators): Same.
 253         (cloog_names_set_nb_scattering): Same.
 254         (cloog_names_set_scattering): Same.
 255         (cloog_statement_set_usr): Same.
 256         (cloog_loop_set_next): Same.
 257         (cloog_loop_set_domain): Same.
 258         (cloog_loop_set_block): Same.
 259         (cloog_block_list_next): Same.
 260         (cloog_block_list_set_next):
 261         (cloog_block_list_set_block): Same.
 262
 263 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 264
 265         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 266         a bool.
 267         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 268         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 269         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 270         when something has been changed.
 271         (rewrite_commutative_reductions_out_of_ssa): Same.
 272
 273         * gcc.dg/graphite/id-26.c: New.
 274
 275 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 276
 277         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 278         handle the case when def is in the sese region.
 279         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 280         for invariant expressions.
 281         (rewrite_cross_bb_phi_deps): Removed.
 282         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 283         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 284         rewrite_cross_bb_phi_deps.
 285
 286 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 287
 288         * graphite-sese-to-poly.c
 289         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 290         scev_analyzable_p only on is_gimple_reg
 291
 292         * gcc.dg/graphite/id-25.c: New.
 293
 294 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 297         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 298         parametric expressions outside the scop region.
 299         (rewrite_cross_bb_scalar_deps): Same.
 300         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 301
 302         * gcc.dg/graphite/run-id-5.c: New.
 303         * gcc.dg/graphite/run-id-6.c: New.
 304         * gfortran.dg/graphite/id-21.f: New.
 305
 306 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 309         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 310
 311         * gcc.dg/graphite/id-24.c: New.
 312
 313 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 314
 315         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 316         instantiate default definitions.
 317
 318 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 319
 320         * graphite-scop-detection.c (is_valid_stmt_p): New.
 321         (is_valid_bb_p): New.
 322
 323 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 324             Sebastian Pop  <sebastian.pop@amd.com>
 325
 326         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 327         (loop_exits_from_bb_p): New.
 328         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 329         (loop_exits_from_bb_p): Declared.
 330         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 331         loop_exits_to_bb_p.
 332
 333 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 334
 335         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 336         tree-data-ref.h.
 337         (dot_regions_1): New.
 338         (dot_regions): New.
 339         * refined-regions.h (dot_regions): Declared.
 340         * Makefile.in (refined-regions.o): Update dependences.
 341
 342 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 343
 344         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 345         extra parameter for the region.  Call scev_analyzable_p.
 346         (rewrite_reductions_out_of_ssa): Update call to
 347         rewrite_close_phi_out_of_ssa.
 348         (rewrite_cross_bb_phi_deps): Same.
 349         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 350         parameter for the region.  Call scev_analyzable_p.
 351         (rewrite_commutative_reductions_out_of_ssa): Update call to
 352         rewrite_commutative_reductions_out_of_ssa_loop.
 353
 354 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * gcc.dg/tree-ssa/pr20742.c: New.
 357
 358 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 359
 360         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 361
 362         * gcc.dg/graphite/id-23.c: New.
 363
 364 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 365
 366         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 367         SSA scalar phi nodes that can be scev_analyzable_p.
 368
 369         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 370
 371 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 372
 373         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 374         handle SSA_NAME_IS_DEFAULT_DEF.
 375
 376 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 377
 378         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 379
 380         * gcc.dg/graphite/pr42729.c: New.
 381
 382 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 385         case non close-phi nodes with one argument.
 386
 387 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 388
 389         * sese.h (scev_analyzable_p): Scevs could be expressions without
 390         chrecs and still be scev_analyzable_p.
 391
 392 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 395
 396 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 397
 398         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 399         * cfgloop.h (struct loop): Remove single_iv field.
 400         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 401         (scop_canonicalize_loops): Removed.
 402         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 403         over all the loop phi nodes in loop->header.
 404         (build_poly_scop): Remove use of scop_canonicalize_loops.
 405
 406 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 407
 408         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 409         handle GIMPLE_CALL.
 410
 411 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * tree-chrec.c (chrec_apply): Should only apply to the specified
 414         variable.  Also handle multivariate chains of recurrences that
 415         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 416
 417 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 420         (debug_clast_name_indexes_1): Removed.
 421         (debug_clast_name_indexes): Removed.
 422         (pbb_to_depth_to_oldiv): Removed.
 423         (build_iv_mapping): Replace the use of rename_map with iv_map.
 424         (translate_clast_user): Remove uses of rename_map.  Allocate and
 425         free iv_map.
 426         (translate_clast_for_loop): Remove uses of rename_map.
 427         (translate_clast_for): Same.
 428         (translate_clast_guard): Same.
 429         (translate_clast): Same.
 430         (gloog): Same.
 431         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 432         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 433         * sese.c (set_rename): Now static.
 434         (rename_variables_in_stmt): Removed.
 435         (rename_uses): New.
 436         (is_parameter): Removed.
 437         (is_iv): Removed.
 438         (expand_scalar_variables_call): Removed.
 439         (expand_scalar_variables_ssa_name): Removed.
 440         (expand_scalar_variables_expr): Removed.
 441         (expand_scalar_variables_stmt): Removed.
 442         (expand_scalar_variables): Removed.
 443         (rename_variables): Removed.
 444         (remove_condition): Removed.
 445         (get_true_edge_from_guard_bb): Removed.
 446         (get_false_edge_from_guard_bb): Removed.
 447         (struct igp): Removed.
 448         (default_before_guard): Removed.
 449         (convert_for_phi_arg): Removed.
 450         (add_guard_exit_phis): Removed.
 451         (insert_guard_phis): Removed.
 452         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 453         region.  Do not copy conditions.  Do not copy induction variables.
 454         Call rename_uses.
 455         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 456         the translated statement.  Use the iv_map for the induction
 457         variable renaming.
 458         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 459         (set_rename): Removed declaration.
 460         (scev_analyzable_p): ...here.
 461         * tree-chrec.c (chrec_apply_map): New.
 462         * tree-chrec.h (chrec_apply_map): Declared.
 463
 464 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 465
 466         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 467         insert_loop_close_phis.
 468         * sese.c (name_defined_in_loop_p): Removed.
 469         (expr_defined_in_loop_p): Removed.
 470         (alive_after_loop): Removed.
 471         (close_phi_not_yet_inserted_p): Removed.
 472         (struct alep): Removed.
 473         (add_loop_exit_phis): Removed.
 474         (insert_loop_close_phis): Removed.
 475
 476 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 477
 478         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 479         condition.
 480         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 481
 482 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 483
 484         * gfortran.dg/graphite/id-20.f: New.
 485
 486 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 487
 488         * graphite-cloog-util.h: Added cloog.h.
 489         * graphite-blocking.c: Removed cloog.h.
 490         * graphite-dependences.c: Same.
 491         * graphite-interchange.c: Same.
 492         * graphite-poly.c: Same.
 493         * graphite-ppl.c: Same.
 494         * graphite-scop-detection.c: Same.
 495         * graphite-sese-to-poly.c:
 496         Removed cloog.h.
 497         Removed graphite-clast-to-gimple.h.
 498         (check_poly_representation): Removed (unused).
 499         * graphite-sese-to-poly.h
 500         (check_poly_representation): Removed (unused).
 501
 502 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 503
 504         * Makefile.in
 505         (OBJS-common): Added graphite-cloog-util.o.
 506         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 507         (graphite-cloog-util.o): New.
 508         (graphite-ppl.o): Added graphite-cloog-util.h.
 509         * graphite-clast-to-gimple.c:
 510         Added graphite-cloog-util.h to include statements.
 511         * graphite-cloog-util.c: New.
 512         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 513         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 514         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 515         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 516         (ppl_Constrain_System_number_of_constraints): Same.
 517         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 518         (oppose_constraint): Same.
 519         (cloog_matrix_to_ppl_constraint): Same.
 520         (new_Constraint_System_from_Cloog_Matrix): Same.
 521         (insert_constraint_into_matrix): Same. Declared static.
 522         * graphite-cloog-util.h: New.
 523         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 524         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 525         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 526         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 527         (insert_constraint_into_matrix): Same.
 528         * graphite-ppl.c:
 529         Added graphite-cloog-util.h to include statements.
 530         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 531         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 532         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 533         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 534         (insert_constraint_into_matrix): Same.
 535         (ppl_Constrain_System_number_of_constraints): Same.
 536         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 537         (oppose_constraint): Same.
 538         (cloog_matrix_to_ppl_constraint): Same.
 539         (new_Constraint_System_from_Cloog_Matrix): Same.
 540         * graphite-ppl.h:
 541         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 542         graphite-cloog-util.h.
 543         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 544         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 545         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 546         (insert_constraint_into_matrix): Removed.
 547
 548 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 549
 550         * graphite-clast-to-gimple.c
 551         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 552         (precision_for_interval): Same.
 553         (gcc_type_for_interval): Same.
 554         (compute_type_for_level): Same.
 555         * graphite-interchange.c
 556         (lst_interchange_profitable_p): Same.
 557         * graphite-poly.c
 558         (psct_scattering_dim_for_loop_depth): Same.
 559         * graphite-ppl.c
 560         (ppl_max_for_le_pointset): Same.
 561         (ppl_min_for_le_pointset): Same.
 562
 563 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 564
 565         * refined-regions.c (bb_index_compare): New.
 566         (get_bbs_in_region): New.
 567         (print_bbs_in_region): New.
 568         (print_refined_region): Add an argument that allows to print
 569         all basic blocks contained in regions.
 570         (debug_refined_region): Update call to print_refined_region.
 571         * refined-regions.h (print_refined_region): Update declaration.
 572         (get_bbs_in_region): Declared.
 573         * graphite-scop-detection.c (build_scops_new): Print the refined
 574         region tree into the Grahite dump file.
 575
 576 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 577
 578         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 579         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 580
 581 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 582
 583         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 584         rewrite_close_phi_out_of_ssa.
 585
 586         * gcc.dg/graphite/id-22.c: New.
 587
 588 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 589
 590         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 591
 592 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 593
 594         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 595         rename_map.
 596         * sese.c (debug_rename_map): Same.
 597         (get_rename): Same.
 598         (set_rename): Same.
 599         (rename_variables_in_stmt): Same.
 600         (expand_scalar_variables_call): Same.
 601         (expand_scalar_variables_ssa_name): Same.
 602         (expand_scalar_variables_expr): Same.
 603         (expand_scalar_variables_stmt): Same.
 604         (expand_scalar_variables): Same.
 605         (rename_variables): Same.
 606         (graphite_copy_stmts_from_block): Same.
 607         (copy_bb_and_scalar_dependences): Same.
 608
 609 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 610
 611         * graphite-clast-to-gimple.c (copy_renames): Removed.
 612         (translate_clast_for): Do not call copy_renames.
 613         (translate_clast_guard): Same.
 614
 615 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 616
 617         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 618         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 619         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 620         before rewrite_cross_bb_scalar_deps.
 621
 622 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 623
 624         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 625         Early return in when flag_associative_math is not set.
 626
 627 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * gcc.dg/graphite/run-id-2.c: Call abort.
 630
 631 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 634         of SSA copies on edges except for loop->latch.
 635
 636 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 639         Split out of rewrite_reductions_out_of_ssa.
 640         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 641         Declared.
 642         * graphite.c (graphite_transform_loops): Call it.
 643
 644 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 647
 648 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 649
 650         * passes.c (init_optimization_passes): Add pass_graphite.
 651         Schedule a pass_copy_prop before pass_graphite_transforms.
 652         * timevar.def (TV_GRAPHITE): Declared.
 653         * tree-pass.h (pass_graphite): Declared.
 654         * tree-ssa-loop.c (pass_graphite): New.
 655
 656         * gcc.dg/graphite/id-20.c: New.
 657
 658 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 659
 660         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 661         Remove calls to rename_nb_iterations and rename_sese_parameters.
 662         * graphite-clast-to-gimple.h (gloog): Update declaration.
 663         * graphite.c (graphite_transform_loops): Update call to gloog.
 664         * sese.c (rename_variables_in_expr): Removed.
 665         (rename_nb_iterations): Removed.
 666         (rename_sese_parameters): Removed.
 667         * sese.h (rename_nb_iterations): Removed.
 668         (rename_sese_parameters): Removed.
 669
 670 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 671
 672         * graphite-clast-to-gimple.c (gloog): Remove call to
 673         sese_adjust_liveout_phis.
 674         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 675         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 676         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 677         rewrite_phi_out_of_ssa.
 678         * sese.c (get_vdef_before_sese): Removed.
 679         (sese_adjust_vphi): Removed.
 680         (sese_adjust_liveout_phis): Removed.
 681         * sese.h (sese_adjust_liveout_phis): Removed.
 682
 683 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 684
 685         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 686         argument for the place after which to insert the out of SSA copy.
 687         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 688         (rewrite_phi_out_of_ssa): Same.
 689         (rewrite_cross_bb_scalar_deps): Same.
 690         (insert_copyout): Removed.
 691         (insert_copyin): Removed.
 692         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 693         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 694         insert_copyin.
 695
 696 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 699         (rewrite_reductions_out_of_ssa): Same.
 700         (rewrite_commutative_reductions_out_of_ssa): Same.
 701         (build_poly_scop): Do not call these functions.
 702         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 703         (rewrite_reductions_out_of_ssa): Declared.
 704         (rewrite_commutative_reductions_out_of_ssa): Declared.
 705         * graphite.c (graphite_transform_loops): Call on every scop
 706         rewrite_commutative_reductions_out_of_ssa before calling
 707         rewrite_reductions_out_of_ssa and build_scop_bbs.
 708
 709 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * graphite-dependences.c (dot_deps): Make system call to dotty run
 712         in background.
 713         (dot_deps_stmt): Same.
 714         * graphite-poly.c (dot_lst): Same.
 715
 716 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 719         old_type in parameter.
 720         (gcc_type_for_value): Update call to gcc_type_for_interval.
 721         (compute_type_for_level_1): Renamed compute_type_for_level.
 722         Update call to gcc_type_for_interval.
 723
 724 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 725
 726         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 727         the scev analysis when the variable is not used outside the loop
 728         in a close phi node: call compute_overall_effect_of_inner_loop.
 729
 730 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 731
 732         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 733         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 734         (build_sese_conditions_before): Renamed call to single_pred_cond.
 735         (build_sese_conditions_after): Same.
 736
 737 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 738
 739         * graphite-poly.h: Fix comments and indentation.
 740         * graphite-sese-to-poly.c: Same.
 741         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 742         * tree-chrec.c: Fix comments and indentation.
 743         (tree-ssa-loop-niter.c): Same.
 744
 745 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 746
 747         * refined-regions.c (create_region): Only initialize the region.
 748         (find_regions_with_entry): Initialize parent relation and bbmap
 749         correctly.
 750         (build_regions_tree): Set outermost_region to region instead of
 751         topmost_region.
 752         (calculate_region_tree): Remove unneeded parameters.
 753
 754 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 755
 756         * graphite-scop-detection.c (is_scop_p): New.
 757         (build_scops_new): New. A skeleton for the new scop detection.
 758         (build_scops_old): Renamed from build_scops.
 759         (build_scops): New version. Call the new and the old scop
 760         detection.
 761
 762 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 763             Antoniu Pop  <antoniu.pop@gmail.com>
 764
 765         * Makefile.in (OBJS-common): Add refined-regions.o.
 766         (refined-regions.o): New.
 767         (graphite-scop-detection.o): Use refined-regions.h.
 768         * graphite-scop-detection.c: Include refined-regions.h
 769         (build_scops): Also build the refined region tree.
 770         * refined-regions.c: New. Adds an algorithm to detect refined
 771         regions.
 772         (print_refined_region): New.
 773         (debug_refined_region): New.
 774         (refined_region_contains_bb_p): New.
 775         (refined_region_contains_region_p): New.
 776         (is_common_df): New.
 777         (struct find_regions_global_data): New.
 778         (is_region): New.
 779         (typedef struct bb_bb_def): New.
 780         (new_bb_bb_def): New.
 781         (bb_bb_map_hash): New.
 782         (eq_bb_bb_map): New.
 783         (find_new_bb): New.
 784         (bb_reg_def): New.
 785         (new_bb_reg_def): New.
 786         (bb_reg_map_hash): New.
 787         (eq_bb_reg_map): New.
 788         (find_new_region): New.
 789         (insert_new_reg): New.
 790         (insert_new_bb): New.
 791         (insert_shortcut): New.
 792         (get_next_postdom): New.
 793         (create_region): New.
 794         (find_regions_with_entry): New.
 795         (find_regions_adc): New.
 796         (find_regions): New.
 797         (get_topmost_parent): New.
 798         (build_regions_tree): New.
 799         (calculate_region_tree): New.
 800         (free_region_tree): New.
 801         * refined-regions.h: New.
 802         (struct refined_region): New.
 803         (calculate_region_tree): New.
 804         (free_region_tree): New.
 805         (refined_region_contains_bb_p): New.
 806         (refined_region_contains_region_p): New.
 807         (print_refined_region): New.
 808         (debug_refined_region): New.
 809
 810 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 811
 812         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 813         size_one_node.
 814
 815 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 816
 817         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 818         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 819
 820 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 821
 822         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 823         phi_arg_in_outermost_loop.
 824         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 825         (remove_invariant_phi): Same.
 826
 827 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 828
 829         * graphite-blocking.c
 830         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 831         * graphite-clast-to-gimple.c
 832         (clast_to_gcc_expression): Same.
 833         (precision_for_value): Same.
 834         (precision_for_interval): Same.
 835         (gcc_type_for_interval): Same.
 836         (graphite_create_new_guard): Same.
 837         (compute_bounds_for_level): Same.
 838         (graphite_create_new_loop_guard): Same.
 839         * graphite-interchange.c
 840         (build_linearized_memory_access): Same.
 841         (pdr_stride_in_loop): Same.
 842         (memory_strides_in_loop_1): Same.
 843         (memory_strides_in_loop): Same.
 844         (extend_scattering): Same.
 845         (psct_scattering_dim_for_loop_depth): Same.
 846         (pbb_number_of_iterations): Same.
 847         * graphite-poly.h
 848         (debug_iteration_domains): Same.
 849         * graphite-ppl.c
 850         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 851         (ppl_set_inhomogeneous_gmp): Same.
 852         (ppl_strip_loop): Same.
 853         (ppl_lexico_compare_linear_expressions): Same.
 854         (ppl_read_polyhedron_matrix): Same.
 855         (ppl_max_for_le_pointset): Same.
 856         * graphite-ppl.h
 857         (ppl_read_polyhedron_matrix): Same.
 858         (tree_int_to_gmp): Same.
 859         (gmp_cst_to_tree): Same.
 860         (ppl_set_inhomogeneous): Same.
 861         (ppl_set_inhomogeneous_tree): Same.
 862         (ppl_set_coef): Same.
 863         (ppl_set_coef_tree): Same.
 864         * graphite-sese-to-poly.c
 865         (build_pbb_scattering_polyhedrons): Same.
 866         (build_scop_scattering): Same.
 867         (scan_tree_for_params_right_scev): Same.
 868         (scan_tree_for_params): Same.
 869         (find_params_in_bb): Same.
 870         (find_scop_parameters): Same.
 871         (add_upper_bounds_from_estimated_nit): Same.
 872         (build_loop_iteration_domains): Same.
 873         (add_condition_to_domain): Same.
 874         (pdr_add_memory_accesses): Same.
 875
 876 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 877
 878         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 879         CLooG's value_* macros to their respective mpz_* counterparts.
 880         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 881         (graphite_create_new_loop_guard): Same.
 882         * graphite-interchange.c (build_linearized_memory_access): Same.
 883         (pdr_stride_in_loop): Same.
 884         (memory_strides_in_loop_1): Same.
 885         (1st_interchange_profitable_p): Same.
 886         * graphite-poly.c (extend_scattering): Same.
 887         (psct_scattering_dim_for_loop_depth): Same.
 888         (pbb_number_of_iterations): Same.
 889         (pbb_number_of_iterations_at_time): Same.
 890         * graphite-poly.h (new_1st_loop): Same.
 891         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 892         (oppose_constraint): Same.
 893         (insert_constraint_into_matrix): Same.
 894         (ppl_set_inhomogeneous_gmp): Same.
 895         (ppl_set_coef_gmp): Same.
 896         (ppl_strip_loop): Same.
 897         (ppl_lexico_compare_linear_expressions): Same.
 898         (ppl_max_for_le_pointset): Same.
 899         (ppl_min_for_le_pointset): Same.
 900         (ppl_build_realtion): Same.
 901         * graphite-ppl.h (gmp_cst_to_tree): Same.
 902         (ppl_set_inhomogeneous): Same.
 903         (ppl_set_inhomogeneous_tree): Same.
 904         (ppl_set_coef): Same.
 905         (ppl_set_coef_tree): Same.
 906         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 907         (build_scop_scattering): Same.
 908         (add_value_to_dim): Same.
 909         (scan_tree_for_params_right_scev): Same.
 910         (scan_tree_for_params_int): Same.
 911         (scan_tree_for_params): Same.
 912         (find_params_in_bb): Same.
 913         (find_scop_parameters): Same.
 914         (add_upper_bounds_from_estimated_nit): Same.
 915         (build_loop_iteration_domains): Same.
 916         (create_linear_expr_from_tree): Same.
 917         (add_condition_to_domain): Same.
 918         (pdr_add_memory_accesses): Same.
 919
 920 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 921
 922         PR middle-end/43519
 923         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 924         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 925         When converting an unsigned type to signed, double its precision.
 926         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 927         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 928         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 929
 930 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 931
 932         PR middle-end/43519
 933         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 934         build_nonstandard_integer_type.
 935         (gcc_type_for_interval): Same.
 936
 937 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 938
 939         PR middle-end/43519
 940         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 941         POINTER_PLUS_EXPR for pointer types.
 942
 943         * gcc.dg/graphite/id-19.c: New.
 944
 945 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 946
 947         PR middle-end/43519
 948         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 949         * graphite-clast-to-gimple.c: Include langhooks.h.
 950         (max_signed_precision_type): New.
 951         (max_precision_type): Takes two types as arguments.
 952         (precision_for_value): New.
 953         (precision_for_interval): New.
 954         (gcc_type_for_interval): New.
 955         (gcc_type_for_value): New.
 956         (gcc_type_for_clast_term): New.
 957         (gcc_type_for_clast_red): New.
 958         (gcc_type_for_clast_bin): New.
 959         (gcc_type_for_clast_expr): Split up into several functions.
 960         (gcc_type_for_clast_eq): Rewritten.
 961         (compute_bounds_for_level): New.
 962         (compute_type_for_level_1): New.
 963         (compute_type_for_level): New.
 964         (gcc_type_for_cloog_iv): Removed.
 965         (gcc_type_for_iv_of_clast_loop): Rewritten.
 966         (graphite_create_new_loop): Compute the lower and upper bound types
 967         with gcc_type_for_clast_expr.
 968         (graphite_create_new_loop_guard): Same.
 969         (find_cloog_iv_in_expr): Removed.
 970         (compute_cloog_iv_types_1): Removed.
 971         (compute_cloog_iv_types): Removed.
 972         (gloog): Do not call compute_cloog_iv_types.
 973         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 974         GBB_CLOOG_IV_TYPES.
 975         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 976         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 977         (GBB_CLOOG_IV_TYPES): Removed.
 978
 979         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 980
 981 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 982
 983         Reverted this commit: as at this point the loop closed SSA form
 984         is under a canonical form respecting the single argument condition.
 985         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 986         close phi nodes may have more than one argument.
 987
 988 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 991         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 992         (detect_commutative_reduction): Same.
 993
 994 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 995
 996         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 997         close phi nodes may have more than one argument.
 998
 999 2010-03-30  Richard Guenther  <rguenther@suse.de>
1000             Zdenek Dvorak  <ook@ucw.cz>
1001             Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         PR middle-end/43464
1004         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1005         with multiple arguments.
1006         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1007
1008 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1009
1010         * graphite-dependences.c (print_pddr): Call print_pdr with an
1011         extra argument.
1012         * graphite-poly.c (debug_pdr): Add an extra argument for the
1013         verbosity level.
1014         (print_pdr): Same.
1015         (print_pbb_domain): Same.
1016         (print_pbb): Same.
1017         (print_scop_context): Same.
1018         (print_scop): Same.
1019         (print_cloog): Same.
1020         (debug_pbb_domain): Same.
1021         (debug_pbb): Same.
1022         (print_pdrs): Same.
1023         (debug_pdrs): Same.
1024         (debug_scop_context): Same.
1025         (debug_scop): Same.
1026         (debug_cloog): Same.
1027         (print_scop_params): Same.
1028         (debug_scop_params): Same.
1029         (print_iteration_domain): Same.
1030         (print_iteration_domains): Same.
1031         (debug_iteration_domain): Same.
1032         (debug_iteration_domains): Same.
1033         (print_scattering_function): Same.
1034         (print_scattering_functions): Same.
1035         (debug_scattering_function): Same.
1036         (debug_scattering_functions): Same.
1037         * graphite-poly.h (debug_pdr): Update declaration.
1038         (print_pdr): Same.
1039         (print_pbb_domain): Same.
1040         (print_pbb): Same.
1041         (print_scop_context): Same.
1042         (print_scop): Same.
1043         (print_cloog): Same.
1044         (debug_pbb_domain): Same.
1045         (debug_pbb): Same.
1046         (print_pdrs): Same.
1047         (debug_pdrs): Same.
1048         (debug_scop_context): Same.
1049         (debug_scop): Same.
1050         (debug_cloog): Same.
1051         (print_scop_params): Same.
1052         (debug_scop_params): Same.
1053         (print_iteration_domain): Same.
1054         (print_iteration_domains): Same.
1055         (debug_iteration_domain): Same.
1056         (debug_iteration_domains): Same.
1057         (print_scattering_function): Same.
1058         (print_scattering_functions): Same.
1059         (debug_scattering_function): Same.
1060         (debug_scattering_functions): Same.
1061
1062 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1063
1064         * graphite-poly.c (print_scattering_function_1): New.
1065         (print_scattering_function): Call it.
1066         (print_scop_params): Remove spaces at the end of lines.
1067         (print_cloog): New.
1068         (debug_cloog): New.
1069         * graphite-poly.h (print_cloog): Declared.
1070         (debug_cloog): Declared.
1071
1072 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1073
1074         * tree-ssa-copy.c: Revert this previous change:
1075         (init_copy_prop): Loop closed phi nodes cancontain more than one
1076         argument.
1077         (execute_copy_prop): Revert the previous change: do not call
1078         rewrite_into_loop_closed_ssa.
1079
1080 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1081             Richard Guenther  <rguenther@suse.de>
1082
1083         PR middle-end/43464
1084         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1085         contain more than one argument.
1086         (execute_copy_prop): Revert the previous change: do not call
1087         rewrite_into_loop_closed_ssa.
1088
1089         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1090         * gcc.dg/graphite/id-pr43464-1.c: New.
1091
1092 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1093
1094         PR middle-end/43464
1095         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1096         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1097
1098         * gcc.dg/graphite/id-pr43464.c: New.
1099
1100 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1103         in loop->header.
1104         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1105         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1106         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1107         to switch between adding the IV bump in loop->latch or in loop->header.
1108
1109 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * passes.c (init_optimization_passes): Add pass_copy_prop
1112         after Graphite.
1113
1114 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * graphite-poly.c (print_scattering_function): Pretty print following
1117         the scoplib format.
1118         (print_pdr): Same.
1119         (print_pbb_domain): Same.
1120         (dump_gbb_cases): Same.
1121         (dump_gbb_conditions): Same.
1122         (print_pdrs): Same.
1123         (print_pbb): Same.
1124         (print_scop_params): Same.
1125         (print_scop_context): Same.
1126         (print_scop): Same.
1127         (print_pbb_body): New.
1128         (lst_indent_to): New.
1129         (print_lst): Start new lines with a #.
1130         * graphite-poly.h (pbb_bb): New.
1131         (pbb_index): Use pbb_bb.
1132         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1133         disjuncts.
1134         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1135
1136 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         PR middle-end/43351
1139         * gcc.dg/graphite/id-pr43351.c
1140
1141 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1142
1143         PR middle-end/43354
1144         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1145         call insert_out_of_ssa_copy for default definitions.
1146         * gfortran.dg/graphite/id-pr43354.f: New.
1147
1148 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1149
1150         PR middle-end/43349
1151         * gfortran.dg/graphite/pr43349.f: New.
1152
1153 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * graphite-clast-to-gimple.c (my_long_long): Defined.
1156         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1157         * graphite-sese-to-poly.c (my_long_long): Defined.
1158         (scop_ivs_can_be_represented): Use it.
1159
1160 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1163         graphite-max-bbs-per-function, and loop-block-tile-size.
1164         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1165         with "maximum".
1166         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1167
1168 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1169
1170         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1171         forward declaration.
1172         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1173         (add_upper_bounds_from_estimated_nit): New.
1174         (build_loop_iteration_domains): Use it.
1175
1176 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1177
1178         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1179
1180 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         PR middle-end/43306
1183         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1184         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1185         * gcc.dg/graphite/pr43306.c: New.
1186
1187 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1188
1189         * graphite.c (graphite_initialize): To bound the number of bbs per
1190         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1191         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1192         * doc/invoke.texi: Document it.
1193
1194 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1197         * graphite-sese-to-poly.h (build_poly_scop): Same.
1198
1199 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1200
1201         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1202         the number of parameters in the scop.  Use as an upper bound
1203         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1204         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1205         * doc/invoke.texi: Document it.
1206
1207 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * graphite-sese-to-poly.c (add_param_constraints): Use
1210         lower_bound_in_type and upper_bound_in_type.
1211
1212 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1215         instead of unsigned_type_node.
1216
1217 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1218             Reza Yazdani  <reza.yazdani@amd.com>
1219
1220         PR middle-end/43065
1221         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1222         on pointer type parameters.
1223
1224         * gcc.dg/graphite/run-id-4.c: New.
1225
1226 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         PR middle-end/43065
1229         * gcc.dg/graphite/run-id-3.c: New.
1230
1231 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1232             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1233
1234         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1235         handle conversions from pointer to integers.
1236         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1237         induction variable, to be able to work with code generated by CLooG.
1238         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1239         (build_poly_scop): Bail out if we cannot codegen a loop.
1240
1241 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1242
1243         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1244         code generation with gloog_error.
1245
1246 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1249         Call fold_convert on all the returned values.
1250         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1251         the type of the resulting expression.
1252
1253 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1254
1255         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1256         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1257         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1258
1259 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1260
1261         * graphite-dependences.c (map_into_dep_poly): Removed.
1262         (dependence_polyhedron_1): Use combine_context_id_scat.
1263
1264 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1265
1266         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1267         (struct poly_bb): Same.
1268         (combine_context_id_scat): New.
1269
1270 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1271
1272         PR middle-end/42326
1273         * sese.c (name_defined_in_loop_p): Return false for default
1274         definitions.
1275
1276         * gcc.dg/graphite/pr42326.c: New.
1277
1278 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1279
1280         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1281         and clean up the logic.
1282
1283 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1284
1285         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1286         early return.
1287
1288 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         PR middle-end/43083
1291         * graphite-scop-detection.c (create_single_exit_edge): Move
1292         the call to find_single_exit_edge to....
1293         (create_sese_edges): ...here.  Don't handle multiple edges
1294         exiting the function.
1295         (build_graphite_scops): Don't handle multiple edges
1296         exiting the function.
1297
1298         * gcc.dg/graphite/pr43083.c: New.
1299
1300 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         PR middle-end/43097
1303         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1304         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1305
1306         * gfortran.dg/graphite/pr43097.f: New.
1307
1308 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1309             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1310
1311         PR middle-end/43140
1312         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1313
1314 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         PR middle-end/43026
1317         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1318
1319         * g++.dg/graphite/pr43026.C: New.
1320
1321 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1322
1323         * Merge from mainline (154736:156693).
1324
1325 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         PR middle-end/43012
1328         * gcc.dg/graphite/pr43012.c: New.
1329
1330 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1331
1332         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1333 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         * g++.dg/graphite/pr42930.C: New.
1336
1337 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1338
1339         PR middle-end/42930
1340         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1341         graphite_can_represent_init for MULT_EXPR.
1342
1343 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         PR middle-end/42914
1346         PR middle-end/42530
1347         * graphite-sese-to-poly.c (remove_phi): New.
1348         (translate_scalar_reduction_to_array): Call remove_phi.
1349
1350         * gcc.dg/graphite/pr42530.c: New.
1351         * gcc.dg/graphite/pr42914.c: New.
1352
1353 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         PR middle-end/42771
1356         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1357         * graphite-clast-to-gimple.h (gloog): Update declaration.
1358         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1359         * graphite-poly.h (struct poly_bb): Add missing comments.
1360         (struct scop): Add poly_scop_p field.
1361         (POLY_SCOP_P): New.
1362         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1363         * graphite.c (graphite_transform_loops): Build the polyhedral
1364         representation for each scop before code generation.
1365         * sese.c (rename_variables_in_operand): Removed.
1366         (rename_variables_in_expr): Return the renamed expression.
1367         (rename_sese_parameters): New.
1368         * sese.h (rename_sese_parameters): Declared.
1369
1370         * gcc.dg/graphite/pr42771.c: New.
1371
1372 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1375         return 0 from main.
1376         * gcc.dg/graphite/block-1.c: Same.
1377         * gcc.dg/graphite/block-3.c: Same.
1378         * gcc.dg/graphite/block-4.c: Same.
1379         * gcc.dg/graphite/block-5.c: Same.
1380         * gcc.dg/graphite/block-6.c: Same.
1381         * gcc.dg/graphite/block-7.c: Same.
1382         * gcc.dg/graphite/interchange-0.c: Same.
1383         * gcc.dg/graphite/interchange-1.c: Same.
1384         * gcc.dg/graphite/interchange-10.c: Same.
1385         * gcc.dg/graphite/interchange-11.c: Same.
1386         * gcc.dg/graphite/interchange-12.c: Same.
1387         * gcc.dg/graphite/interchange-2.c: Same.
1388         * gcc.dg/graphite/interchange-3.c: Same.
1389         * gcc.dg/graphite/interchange-4.c: Same.
1390         * gcc.dg/graphite/interchange-5.c: Same.
1391         * gcc.dg/graphite/interchange-6.c: Same.
1392         * gcc.dg/graphite/interchange-7.c: Same.
1393         * gcc.dg/graphite/interchange-8.c: Same.
1394         * gcc.dg/graphite/interchange-9.c: Same.
1395         * gcc.dg/graphite/interchange-mvt.c: Same.
1396
1397 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * gfortran.dg/graphite/id-19.f: New.
1400         * gfortran.dg/graphite/pr14741.f90: New.
1401         * gfortran.dg/graphite/pr41924.f90: New.
1402         * gfortran.dg/graphite/run-id-2.f90: New.
1403
1404 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1405
1406         PR middle-end/42988
1407         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1408         to unknown_dependence.
1409         (graphite_legal_transform_dr): Handle the unknown_dependence.
1410         (graphite_carried_dependence_level_k): Same.
1411
1412 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1415
1416 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1417             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1418
1419         PR middle-end/42637
1420         * graphite-dependences.c (build_lexicographical_constraint): Return
1421         a union of dependence polyhedra.
1422         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1423
1424         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1425         * gcc.dg/graphite/block-4.c: Same.
1426         * gcc.dg/graphite/block-7.c: Same.
1427         * gcc.dg/graphite/interchange-12.c: Same.
1428         * gcc.dg/graphite/interchange-mvt.c: Same.
1429         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1430         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1431         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1432
1433 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1436         the execution check to FAIL.  This testcase is miscompiled by Graphite
1437         and the check should be re-enabled.
1438         * gcc.dg/graphite/interchange-mvt.c: Same.
1439         * gcc.dg/graphite/block-0.c: Same.
1440         * gcc.dg/graphite/block-4.c: Same.
1441         * gcc.dg/graphite/block-7.c: Same.
1442
1443 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1444
1445         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1446         * gcc.dg/graphite/scop-0.c: Fix spaces.
1447         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1448         * gfortran.dg/graphite/block-2.f: Same.
1449         * gfortran.dg/graphite/block-3.f90: Same.
1450         * gfortran.dg/graphite/block-4.f90: Same.
1451         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1452         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1453
1454 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1457         PDDR_ORIGINAL_SCATTERING_P.
1458         (pddr_is_empty): Rewritten.
1459         (print_dependence_polyhedron_layout): New.
1460         (print_pddr): New.
1461         (debug_pddr): New.
1462         (build_alias_set_powerset): Moved up.
1463         (poly_drs_may_alias_p): Moved up.
1464         (lexicographically_gt_p): Removed.
1465         (build_lexicographically_gt_constraint): Renamed
1466         build_lexicographical_constraint, reimplemented.
1467         (dependence_polyhedron_1): Simplified parameters.
1468         (dependence_polyhedron): Same.  Keep along empty PDDRs
1469         to make efficient use of the cache.
1470         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1471         (graphite_legal_transform_dr): Rewritten.
1472         (graphite_legal_transform_bb): Pass fewer arguments to
1473         graphite_legal_transform_dr.
1474         (graphite_carried_dependence_level_k): Simplified implementation.
1475         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1476         (dot_transformed_deps_stmt_1): Same.
1477         (dot_original_deps): Same.
1478         (dot_transformed_deps): Same.
1479         * graphite-dependences.h (struct poly_ddr): Added a new field
1480         original_scattering_p.
1481         (PDDR_ORIGINAL_SCATTERING_P): New.
1482         (print_pddr): Declared.
1483         (debug_pddr): Declared.
1484         * graphite-ppl.c: Clarify comment.
1485         * sese.h (print_gimple_bb): Removed unused declaration.
1486         (debug_gbb): Same.
1487
1488 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * g++.dg/graphite/graphite.exp: Rewritten.
1491         * gcc.dg/graphite/graphite.exp: Rewritten.
1492         * gfortran.dg/graphite/graphite.exp: Rewritten.
1493         * gcc.dg/graphite/block-0.c: Added runtime test.
1494         * gcc.dg/graphite/block-1.c: Same.
1495         * gcc.dg/graphite/block-3.c: Same.
1496         * gcc.dg/graphite/block-4.c: Same.
1497         * gcc.dg/graphite/block-5.c: Same.
1498         * gcc.dg/graphite/block-6.c: Same.
1499         * gcc.dg/graphite/block-7.c: Same.
1500         * gcc.dg/graphite/interchange-0.c: Same.
1501         * gcc.dg/graphite/interchange-1.c: Same.
1502         * gcc.dg/graphite/interchange-10.c: Same.
1503         * gcc.dg/graphite/interchange-11.c: Same.
1504         * gcc.dg/graphite/interchange-12.c: Same.
1505         * gcc.dg/graphite/interchange-2.c: Same.
1506         * gcc.dg/graphite/interchange-3.c: Same.
1507         * gcc.dg/graphite/interchange-4.c: Same.
1508         * gcc.dg/graphite/interchange-5.c: Same.
1509         * gcc.dg/graphite/interchange-6.c: Same.
1510         * gcc.dg/graphite/interchange-7.c: Same.
1511         * gcc.dg/graphite/interchange-8.c: Same.
1512         * gcc.dg/graphite/interchange-9.c: Same.
1513         * gcc.dg/graphite/interchange-mvt.c: Same.
1514         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1515
1516 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1517
1518         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1519           background.
1520
1521 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1522
1523         * common.opt: Add -fgraphite-cloog-opts.
1524         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1525         * opts.c (decode_options): Same.
1526
1527 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1528
1529         * gcc.dg/graphite/id-17.c: New.
1530         * gcc.dg/graphite/pr41888.c: New.
1531         * gcc.dg/graphite/scop-22.c: New.
1532         * gfortran.dg/graphite/pr40982.f90: New.
1533
1534 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1535
1536         * graphite-dependences.c: Clarify comments.
1537         (build_pddr): Add an extra parameter direction.
1538         (graphite_legal_transform_dr): Use build_pddr.
1539         (dot_original_deps_stmt_1): Update use of build_pddr.
1540         (dot_transformed_deps_stmt_1): Same.
1541         (dot_original_deps): Same.
1542         (dot_transformed_deps): Same.
1543
1544         * gcc.dg/graphite/interchange-12.c: New.
1545         * gcc.dg/graphite/block-7.c: New.
1546
1547 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1550         (pddr_transformed_scattering): Removed.
1551         (graphite_legal_transform_dr): Use build_pddr.
1552         (dot_original_deps_stmt_1): Same.
1553         (dot_transformed_deps_stmt_1): Same.
1554         (dot_original_deps): Same.
1555         (dot_transformed_deps): Same.
1556
1557 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1560         (build_lexicographically_gt_constraint): Same.
1561         (dependence_polyhedron_1): Same.
1562         (dependence_polyhedron): Same.
1563
1564 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1565
1566         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1567         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1568         (lexicographically_gt_p): Change type of direction to int.
1569         (build_lexicographically_gt_constraint): Same.
1570         (dependence_polyhedron_1): Same.
1571         (dependence_polyhedron): Same.
1572         (pddr_original_scattering): Use integers for direction.
1573         (pddr_transformed_scattering): Same.
1574         (graphite_legal_transform_dr): Same.
1575         (graphite_carried_dependence_level_k): Same.
1576
1577 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * graphite-dependences.c (build_pairwise_constraint): Renamed
1580         ppl_build_relation.  Moved...
1581         (dr_equality_constraints): Use ppl_build_relation.
1582         (build_pairwise_scheduling_equality): Same.
1583         (build_pairwise_scheduling_inequality): Same.
1584         * graphite-ppl.c (ppl_build_relation): ...here.
1585         * graphite-ppl.h (ppl_build_relation): Declared.
1586
1587 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         PR middle-end/42681
1590         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1591         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1592         Set gloog_error when such an expression failed to be built.
1593         (translate_clast): Early return when gloog_error is set.
1594         (gloog): Clear gloog_error.  When gloog_error is set, call
1595         set_ifsese_condition to enable the original code.  Return the status
1596         of the code generation based on gloog_error.
1597         * sese.c (set_ifsese_condition): New.
1598         * sese.h (set_ifsese_condition): Declared.
1599
1600         * g++.dg/graphite/pr42681.C: New.
1601
1602 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         PR middle-end/42732
1605         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1606         rename_nb_iterations.
1607         * sese.c (rename_variables_in_operand): New.
1608         (rename_variables_in_expr): New.
1609         (rename_nb_iterations): New.
1610         (sese_adjust_liveout_phis): Update the rename_map.
1611         * sese.h (rename_nb_iterations): Declared.
1612         * tree-scalar-evolution.c (scev_reset_htab): New.
1613         (scev_reset): Call scev_reset_htab.
1614         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1615
1616         * gfortran.dg/graphite/pr42732.f: New.
1617
1618 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         PR middle-end/42393
1621         * graphite-clast-to-gimple.c: Fix formatting.
1622         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1623         (expr_defined_in_loop_p): New.
1624         (add_loop_exit_phis): Also handle full expressions: remove from
1625         the rename_map the expressions defined in the loop that we're closing.
1626
1627         * gfortran.dg/graphite/pr42393-1.f90: New.
1628         * gfortran.dg/graphite/pr42393.f90: Add new flags
1629         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1630         make this testcase useful in the Graphite branch.
1631
1632 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1633
1634         * graphite-scop-detection.c (exclude_component_ref): Removed.
1635         (is_simple_operand): Removed.
1636         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1637
1638 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640         PR middle-end/42221
1641         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1642         the array indexing of ADDR_EXPRs.
1643
1644         * gcc.dg/graphite/pr42221.c: New.
1645
1646 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         PR middle-end/42521
1649         * graphite.c (graphite_finalize): Call scev_reset.
1650         (graphite_transform_loops): Do not call scev_reset between the code
1651         generation of scops.
1652
1653         * gcc.dg/graphite/pr42521.c: New.
1654
1655 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * graphite-interchange.c (memory_stride_in_loop): Renamed
1658         pdr_stride_in_loop.
1659         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1660         (memory_strides_in_loop): Memoize the memory strides per loop.
1661         (lst_interchange_profitable_p): Do not initialize to zero the memory
1662         strides.
1663         * graphite-poly.h (struct lst): Add a field memory_strides.
1664         (LST_LOOP_MEMORY_STRIDES): New.
1665         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1666         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1667
1668 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1671         memory_strides_in_loop.  Gather memory strides on a whole loop.
1672         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1673         (lst_interchange_profitable_p): Removed.
1674         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1675
1676 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1677
1678         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1679         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1680         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1681         Remove context_loop and level.
1682
1683 2010-01-07  Richard Guenther  <rguenther@suse.de>
1684
1685         PR tree-optimization/42641
1686         * sese.c (rename_map_elt_info): Use the SSA name version, do
1687         not hash pointers.
1688
1689 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1692         blocked" only when both the strip mine and the interchange have
1693         been applied.
1694
1695         * gcc.dg/graphite/block-2.c: Removed.
1696         * gcc.dg/graphite/block-3.c: Add scan pattern.
1697         * gcc.dg/graphite/block-4.c: Same.
1698         * gcc.dg/graphite/block-5.c: Same.
1699         * gcc.dg/graphite/block-6.c: Same.
1700
1701 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1704         before allocating a new one.
1705         (copy_renames): Check that slot is not NULL.
1706         (mark_bb_with_pbb): Same.
1707         (compute_cloog_iv_types_1): Same.
1708         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1709         nest, and after LSTs.
1710         (lst_try_interchange_loops): Same.
1711
1712 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1713
1714         PR middle-end/42178
1715         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1716         the before, nest, and after LSTs.
1717         (lst_try_interchange): Removed.
1718         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1719         were modified.
1720         (lst_interchange_select_outer): Apply interchange on the outer loop
1721         until there are no more changes in the inner loops.
1722
1723 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         Revert patch fixing PR middle-end/42221.
1726
1727 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1728
1729         PR middle-end/42180
1730         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1731         GIMPLE_CALL.
1732
1733         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1734
1735 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1736
1737         PR middle-end/42180
1738         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1739         that contain only one statement.
1740
1741         * gfortran.dg/graphite/pr42180.f90: New.
1742
1743 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         PR middle-end/42393
1746         * gfortran.dg/graphite/pr42393.f90: New.
1747
1748 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         PR middle-end/42186
1751         * gfortran.dg/graphite/pr42186.f90: New.
1752
1753 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         PR middle-end/42205
1756         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1757         Insert the reduction copy in the same block as the phi node.
1758         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1759
1760         * gcc.dg/graphite/pr42205-1.c: New.
1761         * gcc.dg/graphite/pr42205-2.c: New.
1762
1763 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         PR middle-end/42221
1766         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1767         the array indexing of ADDR_EXPRs.
1768
1769         * gcc.dg/graphite/pr42221.c: New.
1770
1771 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         PR middle-end/42178
1774         PR middle-end/42334
1775         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1776         index.  Call lst_interchange_select_inner only once.
1777         (lst_interchange_select_inner): Update use of lst_try_interchange.
1778         (lst_interchange_select_outer): Update.
1779
1780 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         PR middle-end/42178
1783         PR middle-end/42334
1784         * graphite-interchange.c (lst_try_interchange): Do not increment the
1785         the OUTER index when there is no AFTER kernel.  Do not increment the
1786         OUTER index for after processing the AFTER kernel.
1787         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1788         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1789         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1790         (scop_do_interchange): Update use of lst_interchange_select_outer.
1791
1792         * gfortran.dg/graphite/graphite.exp
1793         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1794         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1795         the graphite dump file.
1796         * gfortran.dg/graphite/interchange-2.f: Same.
1797         * gfortran.dg/graphite/pr42334-1.f: New.
1798
1799 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         PR middle-end/42178
1802         PR middle-end/42334
1803         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1804         that are empty.
1805         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1806         (lst_try_interchange): Reimplemented.
1807         (lst_interchange_select_inner): Same.
1808         (lst_do_interchange): Renamed lst_interchange_select_outer.
1809         Reimplemented.
1810         (scop_do_interchange): Update use of lst_interchange_select_outer.
1811
1812         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1813         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1814         * gcc.dg/graphite/pr42211.c: New.
1815         * gfortran.dg/graphite/pr42334.f90: New.
1816
1817 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         PR middle-end/42181
1820         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1821         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1822
1823         * gfortran.dg/graphite/pr42181.f90: New.
1824
1825 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1826
1827         PR middle-end/42284
1828         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1829         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1830         (detect_commutative_reduction_arg): Simplified.
1831         (detect_commutative_reduction): Early return when the argument of
1832         the close phi is not of an SSA_NAME.
1833
1834         * gcc.dg/graphite/pr42284.c: New.
1835
1836 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1837
1838         * dbgcnt.def (graphite_scop): New counter.
1839         * graphite.c: Include dbgcnt.h
1840         (graphite_transform_loops): Use new counter to limit transformations.
1841
1842 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1843
1844         PR middle-end/42285
1845         * graphite-scop-detection.c (graphite_can_represent_init): Also
1846         handle more complex MULT_EXPRs containing parameters by recursion
1847         on the structure.
1848
1849         * gfortran.dg/graphite/pr42285.f90: New.
1850
1851 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1852
1853         * g++.dg/graphite/pr42130.C: Fix type.
1854
1855 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1856
1857         * g++.dg/graphite/pr42130.C: Correct testcase.
1858
1859 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1860
1861         * Merge from mainline (154493:154734).
1862
1863 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1864
1865         * Merge from mainline (151362:154491).
1866
1867 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1868
1869         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1870         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1871
1872 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1873
1874         PR middle-end/42130
1875         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1876         translate_clast_for_loop): New.
1877         (translate_clast_for): Add a condition around the loop, to do not
1878         execute loops with zero iterations.
1879         * g++.dg/graphite/pr42130.C: New.
1880         * gcc.dg/graphite/pr35356-2.c: Adapt.
1881
1882 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1883
1884         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1885         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1886         Remove context_loop and level.
1887
1888 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1889
1890         * graphite-clast-to-gimple.c (translate_clast_user,
1891         translate_clast_for, translate_clast_guard): Simplify and move common
1892         elements to translate_clast().
1893         (translate_clast): Simplify and get common elements.
1894
1895 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1896
1897         * graphite-clast-to-gimple.c (translate_clast_user,
1898         translate_clast_for, translate_clast_guard): Split out of
1899         translate_clast.
1900
1901 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1902
1903         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1904         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1905         debug_clast_name_indexes_1, debug_clast_name_indexes,
1906         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1907         (clast_name_to_gcc, clast_to_gcc_expression,
1908         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1909         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1910         graphite_create_guard_cond_expr, graphite_create_new_loop,
1911         translate_clast): Add params_index.
1912         (initialize_cloog_names): Create parameter strings from scratch, do
1913         not reference other strings.
1914         (create_params_index): New.
1915         (gloog): Initialize params_index.
1916         * graphite-scop-detection (free_scops_1): Removed.
1917         (limit_scops): Use normal free_scops.
1918         * graphite-sese-to-poly.c (save_var_names): Removed.
1919         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1920         and SESE_PARAMS_INDEX.
1921         * sese.c (new_sese, free_sese): Dito.
1922         * sese.h (struct sese): Remove params_index, params_names.
1923         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1924
1925 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1926
1927         Revert the following patch from 2009-09-14:
1928         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1929         tree-scalar-evolution.h, and then tree-data-ref.h.
1930         * graphite-clast-to-gimple.c: Same.
1931         * graphite-dependences.c: Same.
1932         * graphite-interchange.c: Same.
1933         * graphite-poly.c: Same.
1934         * graphite-scop-detection.c: Same.
1935         * graphite-sese-to-poly.c: Same.
1936         * graphite.c: Same.
1937         * lambda-code.c: Same.
1938         * matrix-reorg.c: Same.
1939         * tree-data-ref.c: Same.
1940         * tree-if-conv.c: Same.
1941         * tree-loop-distribu: Same.: Same.
1942         * tree-loop-linear.c: Same.
1943         * tree-parloops.c: Same.
1944         * tree-predcom.c: Same.
1945         * tree-vect-patterns.c: Same.
1946
1947 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1948
1949         Revert patch from 2009-09-14.
1950         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1951         passes at -O1 and below.
1952
1953 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1954
1955         PR middle-end/40281
1956         * gcc.dg/graphite/pr40281.c: New.
1957
1958         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1959         evolutions should not variate in inner loops.
1960
1961 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         PR middle-end/42050
1964         * gfortran.dg/graphite/pr42050.f90: New.
1965
1966 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1969         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1970
1971 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973         * graphite-blocking.c (scop_do_block): New.
1974         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1975         * graphite-poly.h (scop_do_block): Declared.
1976
1977 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1978
1979         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1980         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1981         to transform depth into the time_depth before calling
1982         pbb_number_of_iterations_at_time.
1983         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1984         lst_depth.
1985
1986 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         Reverted the patch for "scattering permutations" from 2009-10-28.
1989
1990         * graphite-poly.c (print_permutation): New.
1991         (debug_permutation): New.
1992         (new_poly_bb): Initialize PBB_PERMUTATION.
1993         (free_poly_bb): Free PBB_PERMUTATION.
1994         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1995         (struct pbb_permutation_elt): New.
1996         (PBB_PERMUTATION_ELT_STRIDE): New.
1997         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1998         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1999         (new_pbb_permutation_elt): New.
2000         (pbb_permutation_elt_free): New.
2001         (struct poly_bb): Add field permutation.
2002         (PBB_PERMUTATION): New.
2003         (print_permutation): Declared.
2004         (debug_permutation): Declared.
2005
2006 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2007
2008         * graphite-interchange.c (build_partial_difference): New.
2009         (memory_stride_in_loop): Refactored the computation of
2010         equality constraints into build_partial_difference function.
2011         Added support for debugging stride computations.
2012
2013 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * graphite-clast-to-gimple.c (gloog): Free if_region,
2016         if_region->true_region, and if_region->region.
2017         * sese.c (if_region_set_false_region): Free if_region->false_region.
2018         (create_if_region_on_edge): Do not use GGC_NEW.
2019         (move_sese_in_condition): Remove useless initialization.
2020
2021 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2022
2023         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2024         for the loops created by the loop distribution.  Do not modify the
2025         input LSTs.
2026         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2027         transformed schedule.  Call lst_update_scattering before data
2028         dependence analysis.
2029         (lst_try_interchange): Pass an extra parameter INDEX.
2030         (lst_do_interchange_1): New.
2031         (lst_do_interchange): Call lst_do_interchange_1.
2032         (scop_do_interchange): Call lst_update_scattering.
2033         * graphite-poly.c (apply_poly_transforms): Do not call
2034         lst_update_scattering.
2035         * graphite-poly.h (lst_pred): New.
2036         (lst_succ): New.
2037         (lst_find_first_pbb): Return NULL when not found.
2038         (lst_empty_p): New.
2039         (lst_insert_in_sequence): Allow LST1 to be NULL.
2040         (lst_replace): New.
2041         (lst_substitute_3): New.
2042         * gcc.dg/graphite/interchange-1.c: XFail.
2043         * gcc.dg/graphite/interchange-8.c: XFail.
2044         * gcc.dg/graphite/interchange-11.c: XFail.
2045
2046 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * graphite-interchange.c (lst_perfectly_nested_p): New.
2049         (lst_perfect_nestify): New.
2050         (lst_try_interchange_loops): Call store_lst_schedule,
2051         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2052         (scop_do_interchange): Avoid redundant legality test.
2053         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2054         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2055         * graphite-poly.h (psct_static_dim): New.
2056         (lst_dewey_number_at_depth): New.
2057         (lst_find_pbb): Restructured.
2058         (lst_find_first_pbb): Restructured.
2059         (lst_find_last_pbb): New.
2060         (lst_contains_p): New.
2061         (lst_contains_pbb): New.
2062         (lst_create_nest): New.
2063         (lst_remove_from_sequence): New.
2064         (pbb_update_scattering): New.
2065         (lst_update_scattering_under): New.
2066         (lst_update_scattering_seq): New.
2067         (lst_update_scattering): New.
2068         (lst_insert_in_sequence): New.
2069         (lst_distribute_lst): New.
2070         (lst_remove_all_before_including_pbb): New.
2071         (lst_remove_all_before_excluding_pbb): New.
2072
2073 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2076         get_loop_exit_edges.
2077
2078 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2079
2080         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2081
2082 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2083
2084         * graphite-poly.c (print_permutation): New.
2085         (debug_permutation): New.
2086         (new_poly_bb): Initialize PBB_PERMUTATION.
2087         (free_poly_bb): Free PBB_PERMUTATION.
2088         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2089         (struct pbb_permutation_elt): New.
2090         (PBB_PERMUTATION_ELT_STRIDE): New.
2091         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2092         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2093         (new_pbb_permutation_elt): New.
2094         (pbb_permutation_elt_free): New.
2095         (struct poly_bb): Add field permutation.
2096         (PBB_PERMUTATION): New.
2097         (print_permutation): Declared.
2098         (debug_permutation): Declared.
2099
2100 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2101
2102         * graphite-clast-to-gimple.c (gloog): Do not call
2103         sese_reset_aux_in_loops.
2104         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2105         extra argument for domains.  Do not use loop->aux.
2106         (build_scop_iteration_domain): Initialize and free domains, pass it
2107         to build_loop_iteration_domains and extract the information from
2108         domains.  Do not use loop->aux.
2109         * sese.c (sese_reset_aux_in_loops): Removed.
2110         * sese.h (sese_reset_aux_in_loops): Removed.
2111
2112 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2113
2114         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2115         (dependency_in_loop_p): Same.
2116         (translate_clast): Do not use loop->aux.  Initialize
2117         loop->can_be_parallel.
2118         (mark_loops_parallel): Removed.
2119         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2120         * graphite.c (free_aux_in_new_loops): Removed.
2121         (graphite_finalize): Do not call free_aux_in_new_loops.
2122         (graphite_transform_loops): Do not call mark_loops_parallel.
2123
2124 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2125
2126         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2127         (translate_clast): Pass an extra parameter LEVEL.
2128         Call get_scattering_level.
2129         * graphite-clast-to-gimple.h (get_scattering_level): New.
2130
2131 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2132
2133         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2134         * cfgloop.h (struct loop): New field single_iv.
2135
2136         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2137         loop->aux anymore: use loop->single_iv.
2138         (graphite_loop_normal_form): Moved...
2139         (build_graphite_loop_normal_form): Removed.
2140         (gloog): Do not call build_graphite_loop_normal_form.
2141         (free_aux_in_new_loops): Moved...
2142         (mark_loops_parallel): Restructure.
2143         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2144         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2145         (scop_canonicalize_loops): New.
2146         (build_poly_scop): Call scop_canonicalize_loops.
2147         * graphite.c (free_aux_in_new_loops): ...here.
2148
2149 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2150
2151         * g++.dg/graphite/graphite.exp: Add the same rules as in
2152         gcc.dg/graphite/graphite.exp.
2153
2154 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * g++.dg/graphite/id-1.C: New.
2157
2158 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2161         argument base_name.
2162         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2163         (rewrite_phi_out_of_ssa): Same.
2164         (rewrite_cross_bb_scalar_deps): Same.
2165         (translate_scalar_reduction_to_array): Same.
2166
2167 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2168
2169         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2170         dump_alias_graphs.
2171
2172 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2175         (build_scop_drs): Call dump_alias_graphs.
2176
2177 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2178
2179         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2180         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2181         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2182         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2183         * graphite-poly.h (free_lst): New.
2184         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2185         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2186
2187 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2188
2189         * graphite-poly.h (struct scop): Add a field saved_schedule.
2190         (SCOP_SAVED_SCHEDULE): New.
2191         (store_lst_schedule): New.
2192         (restore_lst_schedule): New.
2193         (store_scattering): Call store_lst_schedule.
2194         (restore_scattering): Call restore_lst_schedule.
2195
2196 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2197
2198         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2199         (pdr_add_alias_set): Same.
2200         (build_poly_dr): Same.
2201         (build_alias_set_optimal_p): Same.
2202         (build_base_obj_set_for_drs): Same.  Do not store the result of
2203         graphds_dfs.
2204
2205 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2206
2207         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2208         all_components_are_cliques to 1.
2209
2210 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2211
2212         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2213         the new structure.
2214         (pdr_add_alias_set): Update retrieving alias_set_num.
2215         (build_poly_dr): Update retrieving dr_base_object_set.
2216         (partition_drs_to_sets): Remove.
2217         (build_alias_set_optimal_p): New.
2218         (build_alias_set_for_drs): Rename.
2219         (build_scop_drs): Update.
2220         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2221         (ALIAS_SET_INDEX): Remove.
2222         (BASE_OBJECT_SET_INDEX): Remove.
2223
2224 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2225
2226         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2227
2228 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2229
2230         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2231         loop upper bounds for 1-element arrays at end of structures.
2232         * tree-flow.h (array_at_struct_end_p): Declared.
2233         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2234
2235 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * g++.dg/graphite/pr41305.C: New.
2238
2239 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2240
2241         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2242         construction of parameter constraints from loop iteration analysis.
2243         * gcc.dg/graphite/run-id-2.c: New test.
2244
2245 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2246
2247         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2248         and new_cstr.
2249
2250 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2251
2252         * graphite-dependences.c (dependence_polyhedron_1): Remove
2253         unused gdim dimensions from the DDR polyhedron.
2254
2255 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2256
2257         * graphite-dependences.c (pddr_transformed_scattering): New.
2258         (dot_original_deps_stmt_1): New.
2259         (dot_transformed_deps_stmt_1): New.
2260         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2261         dot_transformed_deps_stmt_1.
2262         (dot_original_deps): New.
2263         (dot_transformed_deps): New.
2264         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2265
2266 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2267
2268         * graphite-dependences.c (reduction_dr_1): Remove wrong
2269         assert: reduction BBs can have multiple reduction writes
2270         to memory.  interchange-3.f90 is an example.
2271
2272 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2273
2274         * gfortran.dg/graphite/interchange-3.f90: New.
2275
2276 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2277
2278         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2279
2280 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2281
2282         * graphite-dependences.c (dependence_polyhedron_1): Add the
2283         context to the dependence polyhedron.
2284
2285 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2288         PBB_PDR_DUPLICATES_REMOVED.
2289         (new_poly_bb): Same.
2290
2291 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2292
2293         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2294         SCOP_CONTEXT.
2295         (build_loop_iteration_domains): Extract bounds on parameters
2296         based on the data size.
2297         (build_scop_context): Do not initialize SCOP_CONTEXT;
2298         add new constraints.
2299
2300 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2301
2302         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2303         * graphite-ppl.h (graphite-ppl.h): Declared.
2304
2305 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         * graphite-ppl.c (ppl_print_linear_expr): New.
2308         (debug_ppl_linear_expr): New.
2309         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2310         (debug_ppl_linear_expr): Declared.
2311
2312 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         * graphite-interchange.c: Fix comments.
2315         * gcc.dg/graphite/block-1.c: Fix comments.
2316
2317 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2318
2319         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2320         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2321
2322 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2323
2324         Reapply the patch from Alexander Monakov that disappeared during
2325         the last merges from trunk.
2326
2327         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2328
2329         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2330         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2331
2332 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2333
2334         * graphite-interchange.c (memory_stride_in_loop): The depth
2335         argument corresponds to a dynamic time dimension, so use
2336         psct_dynamic_dim to refer to the transformed scattering dimension.
2337
2338 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2341
2342 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2343
2344         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2345         root of the LST.
2346         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2347         the root of the LST.
2348         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2349         fake loop.
2350         (print_lst): Print the root of LST in a different format.
2351         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2352
2353 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2354
2355         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2356
2357 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         * doc/passes.texi: Document the Graphite infrastructure.
2360
2361 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2364         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2365         and check the SSA representation.
2366
2367         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2368
2369 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2372
2373 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * gcc.dg/graphite/interchange-11.c: New.
2376
2377 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2378
2379         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2380
2381 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2384         Add -fno-loop-strip-mine and -fno-loop-interchange.
2385         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2386         -fno-loop-strip-mine.
2387         * gfortran.dg/graphite/graphite.exp: Same.
2388
2389 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2390
2391         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2392         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2393         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2394         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2395         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2396         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2397         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2398         DEFAULT_FLAGS_GRAPHITE_SCOP.
2399         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2400         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2401
2402 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2405
2406 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2407             Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * graphite-interchange.c (build_linearized_memory_access): Pass an
2410         offset as parameter.
2411         (memory_stride_in_loop): Include transform scattering in the
2412         access functions to be able to querry the strides in the
2413         transformed loops.
2414         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2415         not the psct_iterator_dim.
2416
2417 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2420         (lst_do_strip_mine_loop): New.
2421         (lst_do_strip_mine): New.
2422         (scop_do_strip_mine): Call lst_do_strip_mine.
2423         * graphite-poly.h (lst_add_loop_under_loop): New.
2424         (lst_find_first_pbb): New.
2425
2426 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2427
2428         * graphite-poly.c (loop_to_lst): Fix LST creation.
2429
2430 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2431
2432         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2433         sizeof(unsigned long) to make it run on 32bit systems.
2434
2435 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2436
2437         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2438         SEGFAULT on 32bit.
2439
2440 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2441
2442         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2443         Comment.
2444         (write_alias_graph_to_ascii_dot): New.
2445         (write_alias_graph_to_ascii_ecc): Ditto.
2446         (partition_drs_to_sets): Add testing of optimality of current method
2447         which assigns alias numbers according to DFS Comopnent number.  used
2448         as heuristic for the upcoming ECC algorithm.
2449         (build_scop_drs): Write to file also with the ecc and dot format.
2450
2451 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2452
2453         * gfortran.dg/graphite/interchange-1.f: XFail.
2454
2455 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * graphite.c (graphite_initialize): Do not handle functions with
2458         more than 100 basic blocks.
2459
2460 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite-blocking.c (pbb_do_strip_mine): Use
2463         PARAM_LOOP_BLOCK_TILE_SIZE.
2464
2465 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-poly.c (dot_lst_1): New.
2468         (dot_lst): New.
2469         * graphite-poly.h (dot_lst): Declared.
2470
2471 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * graphite-dependences.c (dot_deps_stmt_1): New.
2474         (dot_deps_stmt): New.
2475         * graphite-dependences.h (dot_deps_stmt): Declared.
2476
2477 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2478
2479         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2480         not replace cross BB scalar dependences ending on PHI nodes.
2481         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2482
2483 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         * graphite-poly.c (apply_poly_transforms): Implement the high
2486         level driver for flag_loop_block.
2487         * opts.c (decode_options): Enable flag_loop_block at -O2.
2488         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2489         flag_loop_block.
2490
2491         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2492         -floop-block.
2493         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2494         Add -floop-block.
2495
2496 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * graphite-poly.h (lst_find_pbb): New.
2499         (find_lst_loop): New.
2500
2501 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2502
2503         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2504         * graphite-poly.h (struct scop): Remove dep_graph field.
2505         (SCOP_DEP_GRAPH): Removed.
2506
2507 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-poly.h (copy_lst): Do full copy of LST.
2510
2511 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2512
2513         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2514         when the loop stride is zero.
2515
2516         * gcc.dg/graphite/id-16.c: New.
2517
2518 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2519
2520         * graphite-dependences.c (reduction_dr_1): New.
2521         (reduction_dr_p): New.
2522         (graphite_legal_transform_dr): Call reduction_dr_p.
2523         (reduction_ddr): Renamed reduction_ddr_p.
2524         * graphite-poly.h (same_pdr_p): New.
2525         (number_of_write_pdrs): New.
2526         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2527         (split_reduction_stmt): Do not split reduction statements
2528         when there are no writes to memory.
2529         (translate_scalar_reduction_to_array_for_stmt): Insert the
2530         memory reduction statement just after the scalar reduction statement.
2531
2532         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2533         Un-XFAIL-ed.
2534         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2535         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2536
2537 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2538
2539         * graphite-interchange.c (lst_apply_interchange): New.
2540         (lst_interchange_profitable_p): New.
2541         (lst_try_interchange_loops): New.
2542         (lst_try_interchange): New.
2543         (lst_do_interchange): New.
2544         (pbb_do_interchange): Removed.
2545         (scop_do_interchange): Call lst_do_interchange.
2546
2547 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2548
2549         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2550         SCOP_TRANSFORMED_SCHEDULE.
2551         (loop_to_lst): New.
2552         (scop_to_lst): New.
2553         (print_lst): New.
2554         (debug_lst): New.
2555         * graphite-poly.h (lst_p): New.
2556         (struct lst): New.
2557         (LST_LOOP_P): New.
2558         (LST_LOOP_FATHER): New.
2559         (LST_PBB): New.
2560         (LST_SEQ): New.
2561         (scop_to_lst): Declared.
2562         (print_lst): Declared.
2563         (debug_lst): Declared.
2564         (new_lst_loop): New.
2565         (new_lst_stmt): New.
2566         (copy_lst): New.
2567         (lst_depth): New.
2568         (lst_dewey_number): New.
2569         (struct scop): Add original_schedule and transformed_schedule fields.
2570         (SCOP_ORIGINAL_SCHEDULE): New.
2571         (SCOP_TRANSFORMED_SCHEDULE): New.
2572         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2573
2574 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * graphite-dependences.c (reduction_ddr): New.
2577         (graphite_legal_transform_bb): Call reduction_ddr.
2578         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2579         Initialize PBB_IS_REDUCTION.
2580         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2581         (PBB_IS_REDUCTION): New.
2582         (new_poly_bb): Update declaration.
2583         * graphite-scop-detection.h (build_scop_bbs): Removed.
2584         (nb_reductions_in_loop): Removed.
2585         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2586         parameter for reductions.
2587         (try_generate_gimple_bb): Update call to new_poly_bb.
2588         (build_scop_bbs_1): Same.
2589         (build_scop_bbs): Same.
2590         (gsi_for_phi_node): New.
2591         (scalar_close_phi_node_p): Remove gcc_assert.
2592         (split_reduction_stmt): New.
2593         (is_reduction_operation_p): New.
2594         (phi_contains_arg): New.
2595         (follow_ssa_with_commutative_ops): New.
2596         (detect_commutative_reduction_arg): New.
2597         (detect_commutative_reduction_assign): New.
2598         (follow_inital_value_to_phi): New.
2599         (edge_initial_value_for_loop_phi): New.
2600         (initial_value_for_loop_phi): New.
2601         (detect_commutative_reduction): New.
2602         (translate_scalar_reduction_to_array_for_stmt): New.
2603         (insert_copyout): New.
2604         (insert_copyin): New.
2605         (translate_scalar_reduction_to_array): New.
2606         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2607         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2608         (rewrite_commutative_reductions_out_of_ssa): New.
2609         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2610         * sese.h (split_region_for_bb): New.
2611
2612         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2613         * gcc.dg/graphite/interchange-1.c: Fix format.
2614         * gcc.dg/graphite/interchange-10.c: New.
2615
2616 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2617
2618         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2619         buggy assert.
2620
2621 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2622
2623         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2624         (rewrite_cross_bb_scalar_dependence): New.
2625         (rewrite_cross_bb_scalar_deps): New.
2626         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2627         Call rewrite_cross_bb_scalar_deps.
2628
2629 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2630
2631         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2632         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2633         gsi_for_stmt.
2634
2635 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2638         * graphite-interchange.c (pbb_do_interchange): Same.
2639         * graphite-poly.c (print_scattering_function): Same.
2640         (debug_pdrs): Same.
2641         * graphite-poly.h (pbb_loop): New.
2642         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2643
2644 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2645
2646         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2647
2648 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2651         so don't pass a pointer to it.
2652         (build_alias_set_for_drs): Same.
2653         (build_base_obj_set_for_drs): Same.
2654         (build_scop_drs): Same.
2655
2656 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2657
2658         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2659         the alias graph of data references.
2660
2661 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2662
2663         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2664         (build_scop_drs): When debugging, write the alias graph to file,
2665         otherwise, should be disabled.
2666
2667 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2668
2669         * Merge from mainline (151310:151361).
2670
2671 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2672
2673         * Merge from mainline (151171:151310).
2674
2675 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2676
2677         * Merge from mainline (151171:151806).
2678
2679 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2680
2681         * Revert the last commit.
2682
2683 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * Merge from mainline (151171:151819).
2686
2687 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2690         (is_simple_operand): Remove call to stmt_simple_memref_p.
2691         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2692
2693 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2694
2695         * gcc.dg/graphite/interchange-mvt.c: New File.
2696         * gcc.dg/graphite/scop-dsyrk.c: New File.
2697         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2698         * gcc.dg/graphite/scop-mvt.c: New File.
2699         * gcc.dg/graphite/scop-sor.c: New File.
2700
2701 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2702
2703         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2704         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2705         (graphite_carried_dependence_level_k): Ditto.
2706         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2707         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2708         (new_poly_dr): Adjust declaration.
2709         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2710         (free_gimple_bb): Added free_data_refs_aux.
2711         (build_poly_dr): Add dr_base_object_set.
2712         (partition_drs_to_sets): New.
2713         (dr_same_base_object_p): New.
2714         (build_alias_set_for_drs): New.
2715         (build_base_object_set_for_drs): New.
2716         (build_scop_drs): Add build_base_obj_set_for_drs.
2717         * graphite-sese-to-poly.h: Added #define for alias set number index and
2718         base object set index.
2719         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2720         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2721
2722 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2723
2724         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2725         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2726
2727 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2728
2729         * graphite-sese-to-poly.c (struct irp_data): Removed.
2730         (idx_record_params): Removed.
2731         (find_params_in_bb): Scan for parameters the access functions; don't
2732         parse the tree representation.
2733
2734 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2735
2736         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2737         passes at -O1 and below.
2738
2739 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2742         tree-scalar-evolution.h, and then tree-data-ref.h.
2743         * graphite-clast-to-gimple.c: Same.
2744         * graphite-dependences.c: Same.
2745         * graphite-interchange.c: Same.
2746         * graphite-poly.c: Same.
2747         * graphite-scop-detection.c: Same.
2748         * graphite-sese-to-poly.c: Same.
2749         * graphite.c: Same.
2750         * lambda-code.c: Same.
2751         * matrix-reorg.c: Same.
2752         * tree-data-ref.c: Same.
2753         * tree-if-conv.c: Same.
2754         * tree-loop-distribu: Same.: Same.
2755         * tree-loop-linear.c: Same.
2756         * tree-parloops.c: Same.
2757         * tree-predcom.c: Same.
2758         * tree-vect-patterns.c: Same.
2759
2760 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2761
2762         Partially revert the previous patch, except the following.
2763         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2764         as parameters the operands of the not expression.
2765
2766 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2767
2768         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2769         Do not call analyze_scalar_evolution on assignments.
2770         (instantiate_scev_phi): Call analyze_scalar_evolution.
2771         (instantiate_scev_name): Call instantiate_scev_assign and
2772         instantiate_scev_phi.
2773         (instantiate_scev_not): Adapted to pass as parameters the operands
2774         of the not expression.
2775
2776 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2779         to pass as parameters the operands of the binary expression.
2780
2781 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2782
2783         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2784         instantiate_scev_not.  Handle NEGATE_EXPR.
2785         (instantiate_scev_r): Handle NEGATE_EXPR.
2786
2787 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2790         instantiate_scev_r.
2791         (instantiate_scev_r): Move code in instantiate_scev_2
2792         and instantiate_scev_1.
2793
2794 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * tree-scalar-evolution.c (instantiate_scev_3): New.
2797         (instantiate_scev_1): Move code in instantiate_scev_3.
2798
2799 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2800
2801         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2802         (instantiate_scev_1): Move code in instantiate_scev_poly.
2803
2804 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2805
2806         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2807         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2808
2809 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2812         (instantiate_scev_1): Move code in instantiate_scev_convert.
2813
2814 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2815
2816         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2817         (instantiate_scev_1): Move code in instantiate_scev_binary.
2818
2819 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2820
2821         * tree-scalar-evolution.c (instantiate_scev_name): New.
2822         (instantiate_scev_1): Move code in instantiate_scev_name.
2823
2824 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2825
2826         * Merge from mainline (150992:151171).
2827
2828 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2831
2832 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2833
2834         * graphite-dependences.c (graphite_legal_transform_bb): Call
2835         pbb_remove_duplicate_pdrs.
2836         * graphite-poly.c (can_collapse_pdr): Removed.
2837         (pdr_find_duplicate): Removed.
2838         (can_collapse_pdrs): New.
2839         (pbb_remove_duplicate_pdrs): New.
2840         (new_poly_dr): Do not look for duplicates.
2841         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2842         (PBB_PDR_DUPLICATES_REMOVED): New.
2843         (pbb_remove_duplicate_pdrs): Declared.
2844
2845 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2846
2847         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2848         the strides by multiplying by PDR_NB_REFS.
2849         * graphite-poly.c (can_collapse_pdr): New.
2850         (pdr_find_duplicate): New.
2851         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2852         Initialize PDR_NB_REFS.
2853         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2854         (PDR_NB_REFS): New.
2855         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2856
2857 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2858
2859         Revert one of the previous commits:
2860         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2861         the computation of symmetric data dependence relations.
2862         (dependency_between_pbbs_p): Same.
2863
2864 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         PR middle-end/40965
2867         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2868         any transform.
2869
2870 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2871
2872         * graphite-dependences.c (pddr_original_scattering): Return NULL
2873         for read-read dependence relations.
2874         * graphite-poly.h (enum poly_dr_type): Fix comment.
2875         (pdr_read_p): New.
2876         (pdr_write_p): New.
2877         (pdr_may_write_p): New.
2878
2879 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2880
2881         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2882         (struct poly_dr): Same.
2883         (new_poly_dr): Same.
2884         * graphite-poly.c (new_poly_dr): Same.
2885
2886 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2887             Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2890         pbb_strip_mine_time_depth.  Changed the implementation so that
2891         transformation is expressed as a transformation on
2892         time (scatttering) dimensions.  Also, ensures that the 2d+1
2893         scheduling format is preserved.
2894         (pbb_strip_mine_profitable_p): Profitability is based on the
2895         iteration number of a given time (scattering) dimension,
2896         and not on a original loop depth dimension.
2897         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2898         (pbb_do_strip_mine): Call psct_dynamic_dim.
2899         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2900         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2901         (pbb_nb_dynamic_scattering_transform): New.
2902         (psct_dynamic_dim): New.
2903
2904 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2905
2906         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2907         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2908         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2909         * graphite-interchange.c (build_linearized_memory_access): Same.
2910         (memory_stride_in_loop): Same.
2911
2912 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2913
2914         * graphite-dependences.c (pddr_original_scattering): New.
2915         (graphite_legal_transform_dr): Call pddr_original_scattering.
2916         (dot_deps_1): New.
2917         (dot_deps): New.
2918         * graphite-dependences.h (dot_deps): Declared.
2919         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2920         (print_pdr): Print PDR_ID.
2921         * graphite-poly.h (struct poly_dr): Add field id.
2922         (PDR_ID): New.
2923         (pbb_index): New.
2924         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2925
2926 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2927
2928         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2929         not delete the original dependence relation.
2930
2931 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2932
2933         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2934         the computation of symmetric data dependence relations.
2935         (dependency_between_pbbs_p): Same.
2936
2937 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2940         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2941         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2942         (free_poly_ddr): New.
2943         (pddr_is_empty): New.
2944         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2945         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2946         Remove fprintfs.
2947         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2948         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2949         * graphite-dependences.h (enum poly_dependence_kind): New.
2950         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2951         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2952         (PDRP_SINK): Renamed PDDR_SINK.
2953         (PDRP_DDP): Renamed PDDR_DDP.
2954         (PDDR_KIND): New.
2955         (free_poly_ddr): Declared.
2956         * graphite-poly.c (new_scop): Use the new hash function names.
2957         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2958         into original_pddrs.
2959         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2960
2961 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * Merge from mainline (150764:150992).
2964
2965 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2966
2967         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2968         bounds with LT_EXPR to make niter analysis more precise on code
2969         generated by Graphite.
2970
2971 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2972
2973         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2974         (graphite_legal_transform_bb): Same.
2975         (poly_drs_may_alias_p): Same.
2976
2977 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2978
2979         PR middle-end/40981
2980         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2981         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2982
2983 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2984
2985         * graphite-poly.c (print_pbb): Print PBB index.
2986
2987 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2988
2989         * Merge from mainline (r150672:150764).
2990
2991 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         * graphite-interchange.c (ppl_max_for_le): Moved...
2994         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2995         * graphite-ppl.c (ppl_max_for_le): ... here.
2996         * graphite-ppl.h (ppl_max_for_le): Declared.
2997
2998 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2999
3000         * Merge from mainline (r150372:150672).
3001
3002 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3003
3004         PR middle-end/40980
3005         * sese.c (convert_for_phi_arg): New.
3006         (add_guard_exit_phis): Use convert_for_phi_arg.
3007
3008         * gfortran.dg/graphite/id-17.f: New.
3009
3010 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3011
3012         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3013         unknown subscript upper bounds.
3014
3015         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3016
3017 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3018             Pranav Garg  <pranav.garg2107@gmail.com>
3019
3020         * graphite-interchange.c (gather_access_strides): Removed.
3021         (ppl_max_for_le): New.
3022         (build_linearized_memory_access): New.
3023         (memory_stride_in_loop): New.
3024         (pbb_interchange_profitable_p): Reimplemented.
3025         * graphite-ppl.h (ppl_new_id_map): New.
3026         (ppl_interchange): New.
3027
3028         * gcc.dg/graphite/interchange-6.c: XFAILed.
3029
3030 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3031
3032         * graphite-interchange.c (compute_subscript): Removed.
3033         (compute_array_size_cstr): Removed.
3034         (compute_array_size_poly): Removed.
3035         (compute_array_size): Removed.
3036         (gather_access_strides_poly): Removed.
3037         (gather_access_strides): Empty.
3038
3039 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         * graphite-dependences.c (dependence_polyhedron_1): Replace
3042         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3043         (graphite_legal_transform_dr): Same.
3044         (graphite_carried_dependence_level_k): Same.
3045         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3046         Initialize PDR_NB_SUBSCRIPTS.
3047         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3048         PDR_NB_SUBSCRIPTS.
3049         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3050         (PDR_NB_SUBSCRIPTS): New.
3051         (pdr_nb_subscripts): Removed.
3052         (pdr_dim): Simplified.
3053         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3054         with PDR_NB_SUBSCRIPTS.
3055
3056 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3057
3058         * graphite-interchange.c (compute_array_size): Remove use of
3059         PDR_DATA_CONTAINER.
3060         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3061         Do not initialize PDR_DATA_CONTAINER.
3062         (print_pdr): Do not print PDR_DATA_CONTAINER.
3063         * graphite-poly.h (struct poly_dr): Remove data_container field.
3064         (PDR_DATA_CONTAINER): Removed.
3065         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3066         PDR_DATA_CONTAINER.
3067         (build_poly_dr): Same.
3068
3069 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3070
3071         * gcc.dg/graphite/interchange-9.c: New.
3072
3073 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3074             Sebastian Pop  <sebastian.pop@amd.com>
3075
3076         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3077         copy of the dependence polyhedron.  Free the temporary objects.
3078         (graphite_carried_dependence_level_k): Free unused objects before
3079         returning.
3080
3081         * gcc.dg/graphite/interchange-1.c: XFAILed.
3082         * gcc.dg/graphite/interchange-2.c: XFAILed.
3083         * gcc.dg/graphite/interchange-3.c: XFAILed.
3084         * gcc.dg/graphite/interchange-4.c: XFAILed.
3085         * gcc.dg/graphite/interchange-7.c: XFAILed.
3086
3087 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3088
3089         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3090         Early return without analyzing the data dependences if no
3091         transform has been done.  Call restore_scattering if the transform
3092         is not legal.
3093         (graphite-interchange.c): Same.
3094         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3095         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3096         (apply_poly_transforms): Do not gcc_assert that
3097         the transform is legal.
3098         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3099         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3100         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3101         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3102         * graphite-poly.h (struct poly_scattering): New.
3103         (struct poly_bb): Add original, transformed, and saved fields.
3104         Remove transformed_scattering, original_scattering, nb_local_variables,
3105         and nb_scattering_transform fields.
3106         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3107         (poly_scattering_new): New.
3108         (poly_scattering_free): New.
3109         (poly_scattering_copy): New.
3110         (store_scattering_pbb): New.
3111         (store_scattering): New.
3112         (restore_scattering_pbb): New.
3113         (restore_scattering): New.
3114         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3115         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3116
3117 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3120         (print_scop): Same.
3121
3122 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * Makefile.in (graphite.o): Depends on PREDICT_H.
3125         * graphite.c: Include predict.h.
3126         (graphite_finalize): Call tree_estimate_probability.
3127         * predict.c (predict_loops): Do not call scev_initialize and
3128         scev_finalize.
3129         (tree_estimate_probability_bb): New.
3130         (tree_estimate_probability): Do not initialize loops: move that
3131         code to the driver.  Call tree_estimate_probability_bb.
3132         (tree_estimate_probability_driver): New.
3133         (pass_profile): Use tree_estimate_probability_driver.
3134         * predict.h (tree_estimate_probability): Declared.
3135
3136 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3137
3138         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3139         * graphite-dependences.c (graphite_legal_transform): Add time to
3140         TV_GRAPHITE_DATA_DEPS.
3141         (dependency_between_pbbs_p): Same.
3142         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3143
3144 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3145
3146         * Merge from mainline (r149952:150372).
3147
3148 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3151         * graphite-blocking.c: Same.
3152         * graphite-clast-to-gimple.c: Same.
3153         * graphite-dependences.c: Same.
3154         * graphite-poly.c: Same.
3155         * graphite-poly.h: Same.
3156         * graphite-ppl.c: Same.
3157         * graphite-scop-detection.c: Same.
3158         * graphite-sese-to-poly.c: Same.
3159         * graphite.c: Same.
3160
3161 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3162
3163         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3164         (remove_simple_copy_phi): New.
3165         (remove_invariant_phi): New.
3166         (simple_copy_phi_p): New.
3167         (reduction_phi_p): New.
3168         (gsi_for_ssa_name_def): New.
3169         (insert_out_of_ssa_copy): New.
3170         (insert_out_of_ssa_copy_on_edge): New.
3171         (create_zero_dim_array): New.
3172         (scalar_close_phi_node_p): New.
3173         (rewrite_close_phi_out_of_ssa): New.
3174         (rewrite_phi_out_of_ssa): New.
3175         (rewrite_reductions_out_of_ssa): New.
3176         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3177
3178         * gcc.dg/graphite/id-11.c: New.
3179         * gcc.dg/graphite/id-15.c: New.
3180         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3181         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3182         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3183         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3184         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3185         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3186         * gfortran.dg/graphite/id-13.f: New.
3187         * gfortran.dg/graphite/id-5.f: New.
3188
3189 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3190
3191         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3192         check that nb_reductions_in_loop is zero.
3193         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3194         reduction phi nodes.
3195         (nb_reductions_in_loop): Removed.
3196         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3197         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3198         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3199         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3200         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3201
3202 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3203
3204         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3205         statements that have an empty iteration domain.
3206         * gfortran.dg/graphite/id-16.f: New.
3207
3208 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * tree-scalar-evolution.c (instantiate_scev_1): Return
3211         chrec_dont_know when the result is not above instantiate_below.
3212         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3213         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3214         the tree has a known scalar evolution.
3215         * gfortran.dg/graphite/id-14.f: New.
3216         * gfortran.dg/graphite/id-15.f: New.
3217
3218 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3221         insert_gsi.
3222         (rename_variables): Keep inserting renames after the ones already
3223         inserted.
3224
3225 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3226
3227         * graphite-sese-to-poly.c (compare_bb_depths): New.
3228         (graphite_sort_dominated_info): New.
3229         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3230         (build_scop_scattering): Fix comment.
3231
3232 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3233
3234         * graphite.c (graphite_finalize): Call print_loops instead of
3235         dump_function_to_file.
3236         * gcc.dg/graphite/graphite.exp: Fix formatting.
3237         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3238         loops generated in the graphite output file.
3239         * gcc.dg/graphite/pr35356-2.c: New.
3240         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3241         * gfortran.dg/graphite/id-12.f: New.
3242
3243 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3244
3245         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3246         Remove 2 XFAIL.
3247
3248 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3249             Tobias Grosser  <grosser@fim.uni-passau.de>
3250
3251         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3252         alias set number build alias in ACCESSES polyhedron.
3253         (build_alias_set_for_drs): New.
3254         (build_pbb_drs): Added build_alias_set_for_drs.
3255         * graphite-dependences.c (poly_drs_may_alias_p): New.
3256         (graphite_carried_dependence_level_k): Check alias information
3257         before building polyhedron.
3258
3259 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3260
3261         * Makefile.in (lambda-code.o): Fix formatting.
3262
3263 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3264
3265         * Merge from mainline (r149350-149952)
3266
3267 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3268
3269         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3270         before interchange to prepare for loop blocking.
3271
3272 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3273
3274         * graphite-poly.c (apply_poly_transforms): Add checks after every
3275         transformation.
3276         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3277         done in apply_poly_transforms.
3278
3279 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3280
3281         * graphite-dependences.c (build_lexicographically_gt_constraint):
3282         Replace RES parameter with *RES.
3283         (dependence_polyhedron_1): Pass an address of the parameter RES
3284         instead of value of RES.
3285
3286 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3287
3288         * graphite.c (graphite_finalize): Fix comment.
3289         (graphite_transform_loops): Reset scev info after code generation
3290         of each scop.
3291
3292 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * graphite.c (graphite_finalize): Call scev_reset.
3295
3296 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3297
3298         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3299         GBB_CLOOG_IV_TYPES hash table twice.
3300         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3301         (add_condition_to_domain): Clear GMP values.
3302
3303 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3304
3305         * graphite-dependences.c: Fix formatting.
3306         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3307         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3308         * graphite-sese-to-poly.c: Fix formatting.
3309         * graphite.c (graphite_transform_loops): Create the hash table
3310         after the early return.
3311
3312 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3313
3314         * gcc.dg/graphite/id-14.c: New.
3315         * gcc.dg/graphite/pr40157.c: New.
3316         * gfortran.dg/graphite/id-11.f: New.
3317
3318 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3321         (build_poly_scop): Return false when there are no pbbs within
3322         loops to avoid to pass to cloog scops with no loops.
3323
3324 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3325
3326         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3327         useless test "i % 2".
3328         (build_pbb_scattering_polyhedrons): Fix formatting.
3329         (build_poly_dr): Same.
3330         * graphite.c (graphite_transform_loops): Restructure.
3331
3332 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3333
3334         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3335         reduction_list parameter.
3336         (rewrite_all_phi_nodes_with_iv): Same.
3337         (canonicalize_loop_ivs): Same.
3338         * tree-parloops.c (struct brli): Removed.
3339         (build_reduction_list_info): Removed.
3340         (build_new_reduction): New.
3341         (analyze_reduction_list): Removed.
3342         (gather_scalar_reductions): Find reductions instead of phi
3343         nodes that can't be canonicalized.
3344         (try_create_reduction_list): Remove reduction_list parameter.
3345         (gen_parallel_loop): Same.
3346         (parallelize_loops): Remove analyze_reductions variable,
3347         initialization and free.
3348         Change reduction_list htab initialization to reduction_info
3349         elements instead of ssa names.
3350         Call try_create_reduction_list and gen_parallel_loop without
3351         analyzed_reduction argument.
3352         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3353         canonicalize_loop_ivs with one less argument.
3354         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3355
3356 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3357
3358         * graphite-dependences.c (new_poly_dr_pair): New.
3359         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3360         (new_poly_dr_pair): New.
3361         (eq_poly_dr_pair_p): New.
3362         (hash_poly_dr_pair_p): New.
3363         * graphite-dependences.h (struct poly_dr_pair): New.
3364         (eq_poly_dr_pair_p): Declared.
3365         (hash_poly_dr_pair_p): Declared.
3366         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3367         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3368         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3369         * Makefile.in (graphite-poly.o): Add dependence on
3370         graphite-dependences.h.
3371
3372 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3375         polynomials of degree > 1 pass to Graphite.
3376         * tree-chrec.c (scev_is_linear_expression): Call
3377         evolution_function_is_affine_multivariate_p.
3378         * gfortran.dg/graphite/id-10.f90: New.
3379
3380 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3383         Instantiate scevs varying in outer loops.
3384         * gfortran.dg/graphite/id-9.f: Correct testcase.
3385
3386 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3389         redundant constraint.
3390
3391 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3392
3393         * gcc.dg/graphite/graphite.exp: Fix comments.
3394         * gfortran.dg/graphite/graphite.exp: Trigger actions
3395         based on the file names as in the C testsuite.
3396         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3397         * gfortran.dg/graphite/block-2.f: Same.
3398         * gfortran.dg/graphite/block-3.f90: Same.
3399         * gfortran.dg/graphite/block-4.f90: Same.
3400         * gfortran.dg/graphite/id-1.f90: Same.
3401         * gfortran.dg/graphite/id-2.f90: Same.
3402         * gfortran.dg/graphite/id-3.f90: Same.
3403         * gfortran.dg/graphite/id-4.f90: Same.
3404         * gfortran.dg/graphite/id-6.f: Same.
3405         * gfortran.dg/graphite/id-9.f: Same.
3406         * gfortran.dg/graphite/interchange-1.f: Same.
3407         * gfortran.dg/graphite/interchange-2.f: Same.
3408         * gfortran.dg/graphite/scop-1.f: Same.
3409
3410 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * sese.c (expand_scalar_variables_call): New.
3413         (expand_scalar_variables_ssa_name): Handle calls in expander.
3414
3415 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3418         Expect to see the pattern twice.
3419         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3420         * gcc.dg/graphite/interchange-5.c: Same.
3421         * gcc.dg/graphite/interchange-6.c: Same.
3422
3423 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         * gcc.dg/graphite/id-10.c: New.
3426         * gcc.dg/graphite/id-12.c: New.
3427         * gfortran.dg/graphite/id-7.f: New.
3428         * gfortran.dg/graphite/id-8.f: New.
3429
3430 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3431
3432         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3433         zero.
3434
3435 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3436
3437         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3438
3439 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3442
3443 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3444
3445         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3446         building PDR subscripts.
3447
3448 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3449
3450         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3451         computation of array sizes.
3452
3453 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3454
3455         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3456
3457 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3458
3459         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3460         build_pairwise_constraint, dr_equality_constraints,
3461         build_pairwise_scheduling_equality,
3462         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3463         build_lexicographically_gt_constraint, dependence_polyhedron,
3464         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3465         Move from NNC_Polyhedron to C_Polyhedron.
3466         * graphite-interchange.c (compute_array_size_poly,
3467         gather_access_strides): Dito.
3468         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3469         free_scop, pbb_number_of_iterations): Dito.
3470         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3471         pbb_dim_iter_domain, struct scop): Dito.
3472         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3473         new_Cloog_Domain_from_ppl_Polyhedron,
3474         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3475         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3476         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3477         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3478         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3479         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3480         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3481         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3482         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3483         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3484         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3485         build_scop_iteration_domain, build_poly_dr): Dito
3486
3487 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3488
3489         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3490         run-id-*.c files.
3491         * gcc.dg/graphite/run-id-1.c: New.
3492
3493 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3494
3495         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3496         positivity constraint on the symbolic number of iterations.
3497
3498 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3499
3500         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3501
3502 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3503             Tobias Grosser  <grosser@fim.uni-passau.de>
3504
3505         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3506         (build_cloog_prog): Directly use SCOP_CONTEXT.
3507         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3508         (free_scop): Free SCOP_CONTEXT.
3509         (print_scop_context): New.
3510         (print_scop): Call print_scop_context.
3511         (debug_scop_context): New.
3512         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3513         (struct scop): Added field context.
3514         (SCOP_CONTEXT): New.
3515         * graphite-sese-to-poly.c (add_param_constraints): New.
3516         (build_scop_context): New.
3517         (build_poly_scop): Call build_scop_context.
3518
3519 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3522         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3523         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3524         * graphite-ppl.h: Include double-int.h and tree.h.
3525         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3526         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3527         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3528         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3529
3530 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3531
3532         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3533         POINTER_PLUS_EXPR for pointer types.
3534         (clast_to_gcc_expression): Same.
3535
3536 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3537
3538         * graphite-poly.c (print_scattering_function): Early return when
3539         PBB_TRANSFORMED_SCATTERING is not initialized.
3540         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3541
3542 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3545         to fix bootstrap.
3546
3547 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3548
3549         * tree-parloops.c (analyze_reduction_list): Change return
3550         value to void.
3551         (try_create_reduction_list): Move the call to
3552         analyze_reduction_list to the beginining.
3553         Call reduction_phi with analyzed_reductions as argument
3554         instead of reduction_list.
3555
3556 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3557
3558         *  Merge from mainline (r148296:149346)
3559
3560 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3561
3562         * graphite-scop-detection.c (graphite_can_represent_init): New.
3563         (graphite_can_represent_scev): Call graphite_can_represent_init:
3564         check that the initial value does not contain multiplications of
3565         parameters.
3566         (stmt_has_simple_data_refs_p): New.
3567         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3568         (is_simple_operand): Fix formatting.
3569         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3570
3571 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3572
3573         * gcc.dg/graphite/id-13.c: New.
3574         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3575         analyze_scalar_evolution, use scalar_evolution_in_region.
3576         (scan_tree_for_params_right_scev): Add extra assert.
3577         (parameter_index_in_region_1): Split from parameter_index_in_region.
3578         (idx_record_params): Use scalar_evolution_in_region.
3579         (find_params_in_bb): Same.
3580         (find_scop_parameters): Same.
3581         (build_loop_iteration_domains): Same.
3582         (create_linear_expr_from_tree): Same.
3583         * sese.c (scalar_evolution_in_region): New.
3584         * sese.h (scalar_evolution_in_region): Declared.
3585         (defined_in_sese_p): New.
3586         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3587         static anymore.
3588         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3589         Declared.
3590
3591 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3592
3593         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3594         TREE_DATA_REF_H also implies SCEV_H.
3595
3596 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3597
3598         * graphite-poly.c (print_scop_params): New.
3599         (print_scop): Call print_scop_params.
3600         (debug_scop_params): New.
3601         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3602
3603 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3604
3605         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3606         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3607         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3608         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3609         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3610         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3611
3612 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3613
3614         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3615         for dependency checking part.
3616         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3617         tests for dependency checking.
3618         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3619         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3620         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3621         flag -fdump-tree-graphite-all for autopar testsuites.
3622
3623 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3624
3625         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3626         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3627         canonicalize_loop_ivs): Moved...
3628         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3629
3630 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3631
3632         * tree-parloops.c (try_create_reduction_list): Pass an extra
3633         argument analyzed_reductions.  Call analyze_reduction_list.
3634         (gen_parallel_loop): Do not call analyze_reduction_list.
3635         (parallelize_loops): Init and finalize analyzed_reductions.
3636
3637 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3638
3639         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3640         Added flag -fno-loop-strip-mine for autopar testcase.
3641
3642 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3643
3644         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3645         transformed scattering dimension instead of unmatch orignal when
3646         calling dependence_polyhedron.
3647
3648 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3649
3650         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3651
3652 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3653
3654         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3655         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3656
3657 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3658
3659         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3660         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3661         * graphite-poly.c (pbb_number_of_iterations): New.
3662         * graphite-poly.h (pbb_number_of_iterations): Declared.
3663         (pbb_iterator_dim, pbb_parameter_dim): New.
3664
3665 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3666
3667         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3668         last commit on type of lower and upper bound of loops.
3669
3670 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3671
3672         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3673         graphite-dependences.h.
3674         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3675         (mark_bb_with_pbb): New.
3676         (get_stmtfor_depth): New.
3677         (find_pbb_via_hash): New.
3678         (dependency_in_loop_p): New.
3679         (mark_loops_parallel): New.
3680         (free_aux_in_new_loops): New.
3681         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3682         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3683         innermost loop parallel without checking.
3684         (gloog): Add parameter BB_PBB_MAPPING.
3685         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3686         (gloog): Change declaration.
3687         (mark_loop_parallel): Make extern.
3688         (free_aux_in_new_loops): Declare.
3689         (bb_pbb_map_hash): New.
3690         (eq_bb_pbb_map): New.
3691         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3692         auto parallelization when flag_graphite_force_parallel is set.
3693         (graphite_finalize): Added free_aux_in_new_loops.
3694         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3695         the innermost loop that marked parallel.  Use
3696         flag_graphite_force_parallel instead of loop->can_be_parallel.
3697         (loop_parallel_p): Move inner most checking out of function.
3698
3699 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3700
3701         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3702         type of lower and upper bound of loops signed long int.
3703
3704 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3707         expression outside the loop.
3708
3709 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         * gcc.dg/graphite/interchange-8.c: New.
3712
3713 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3714
3715         * gcc.dg/graphite/interchange-0.c: XFailed.
3716         * gcc.dg/graphite/interchange-5.c: XFailed.
3717         * gcc.dg/graphite/interchange-6.c: XFailed.
3718
3719 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3720
3721         * graphite-interchange.c (compute_array_size_poly): The end of the
3722         recursion should return 1.
3723
3724 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3725
3726         * graphite-interchange.c (compute_array_size_cstr): Allow the
3727         subscript multiplier to be -1.
3728         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3729         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3730         data_container.  Initializes PDR_DATA_CONTAINER.
3731         (print_pdr_access_layout): New.
3732         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3733         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3734         data_container.
3735         (PDR_DATA_CONTAINER): New.
3736         (new_poly_dr): Update declaration.
3737         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3738         (build_poly_dr): Call pdr_add_data_dimensions.
3739
3740 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3741
3742         * graphite-poly.h (struct poly_dr): Fix comment.
3743         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3744         (pdr_add_memory_accesses): New.
3745         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3746
3747 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3748
3749         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3750         (print_pbb): Add call to print_pdrs.
3751         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3752
3753 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3754             Li Feng <nemokingdom@gmail.com>
3755
3756         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3757         (dependency_between_pbbs_p): New.
3758         (lexicographically_gt_p): Assure !empty_p before polyhedron
3759         intersection assign.
3760         (build_lexicographically_gt_constraint): Correct lexicographically
3761         judging.
3762         * graphite-dependences.h: New.
3763         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3764
3765 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3766
3767         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3768         (gloog): Print to dump_file the generated clast.
3769         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3770         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3771
3772 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3773
3774         * graphite-poly.c (extend_scattering): Increment
3775         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3776
3777 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         * graphite-interchange.c (compute_array_size_poly): Added exit of
3780         recursion condition.  Continue iterating even after the first equality.
3781         (compute_array_size): Same.
3782
3783 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3784
3785         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3786         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3787         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3788         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3789         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3790
3791 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3792
3793         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3794         only when the use verifies is_gimple_reg.
3795
3796 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3797
3798         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3799         Allocate scaldims after call to unify_scattering_dimensions.
3800
3801 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3804
3805 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3806             Albert Cohen  <albert.cohen@inria.fr>
3807
3808         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3809         variables for the strip mining.
3810
3811 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3812             Pranav Garg  <pranav.garg2107@gmail.com>
3813
3814         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3815         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3816         (graphite-blocking.o): New rule.
3817         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3818         * graphite-blocking.c: New.
3819         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3820         flag_loop_strip_mine.
3821         (psct_scattering_dim_for_loop_depth): New.
3822         * graphite-poly.h (scop_do_strip_mine): Declared.
3823         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3824         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3825         flag_loop_strip_mine.
3826
3827 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3828
3829         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3830         a GMP value and a PPL coefficient at each iteration of a loop.
3831
3832 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite-dependences.c (dependence_polyhedron): Do not use
3835         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3836         pbb_nb_scattering_transform.
3837         (graphite_legal_transform_dr): Same.
3838         * graphite-poly.c (extend_scattering): Same.
3839         (unify_scattering_dimensions): Same.
3840         (print_scattering_function): Same.
3841         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3842         PBB_NB_LOCAL_VARIABLES.
3843         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3844         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3845         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3846         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3847         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3848         (pbb_nb_scattering_transform): New.
3849         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3850         (psco_scattering_dim): Add assert on parameters.
3851         (psct_scattering_dim): Same.
3852         (psct_scattering_dim_for_loop_depth): Declared.
3853         (psct_local_var_dim): New.
3854         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3855         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3856         correct layout, call pbb_nb_local_vars.
3857         (psct_add_local_variable, psct_add_scattering_dimension): New.
3858         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3859         Initialize PBB_NB_SCATTERING_TRANSFORM.
3860
3861 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3864         (set_coef): Renamed ppl_set_coef.
3865         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3866
3867 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3868
3869         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3870         test a boolean against 1.
3871         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3872         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3873         (pbb_do_interchange): Returns true when a transform has been performed.
3874         (scop_do_interchange): Same.
3875         * graphite-poly.c (apply_poly_transforms): Use the return value of
3876         scop_do_interchange.
3877         * graphite-poly.h (scop_do_interchange): Update declaration.
3878
3879 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3880
3881         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3882         after last use.
3883         * sese.c (sese_reset_aux_in_loops): New.
3884         * sese.h (sese_reset_aux_in_loops): New.
3885
3886 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3887
3888         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3889         multiplier and multiply the constant by the multiplier.
3890         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3891         (build_poly_dr): Do not use the multiplier to define the subscript.
3892
3893 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3896         compiler's data reference.  Initialize PDR_CDR.
3897         (print_pdr): Call dump_data_reference.
3898         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3899         Add compiler_dr field.
3900         (PDR_BB): Renamed PDR_PBB.
3901         (PDR_CDR): New.
3902         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3903         GCC's data reference representation.
3904         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3905         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3906
3907 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3908
3909         * graphite-poly.c (print_scattering_function): Also print the layout.
3910         * graphite-poly.h (pbb_nb_local_vars): New.
3911
3912 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3915
3916 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3917
3918         * graphite-poly.c (print_pdr, debug_pdr): New.
3919         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3920         (PDR_BASE): Removed.
3921
3922 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3923
3924         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3925         ltrans-{1..6,8}.c.
3926
3927 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3928
3929         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3930         subscript identification column.
3931         (pbb_do_interchange): Print to dump_file that some loops "will be
3932         interchanged".  Rely on that chain of characters in the testcases.
3933         * gcc.dg/graphite/interchange-0.c: New.
3934         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3935         interchange-*.c files and compile them with -floop-interchange.
3936
3937 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3938
3939         * graphite-interchange.c (interchange_profitable_p): Renamed
3940         pbb_interchange_profitable_p.
3941
3942 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3943             Harsha Jagasia  <harsha.jagasia@amd.com>
3944             Pranav Garg  <pranav.garg2107@gmail.com>
3945
3946         * graphite-interchange.c (interchange_profitable_p): Make static.
3947         (pbb_interchange_loop_depths, pbb_do_interchange,
3948         scop_do_interchange): New.
3949         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3950         for flag_loop_interchange.
3951         * graphite-poly.h (scop_do_interchange): Declared.
3952         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3953         flag_loop_interchange is used.
3954
3955 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3956
3957         * graphite-dependences.c (dependence_polyhedron): Update use of
3958         pbb_nb_scattering_dims.
3959         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3960         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3961         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3962         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3963
3964 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3965
3966         * graphite.c: Cleanup foo.
3967
3968 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3969
3970         * Merge from mainline (r143684:148293).
3971         * Disabled libpcp until it gets fixed.
3972
3973 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3974             Harsha Jagasia  <harsha.jagasia@amd.com>
3975
3976         * graphite-interchange.c: New.
3977         * Makefile.in (graphite-interchange.o): New.
3978         * graphite-poly.h (interchange_profitable_p): Declared.
3979         * graphite-ppl.h (value_max): New.
3980
3981 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3984         * graphite-poly.h: Fix some comments.
3985         (pdr_dim): New.
3986         (pdr_scop): New.
3987
3988 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3989
3990         * graphite-poly.h
3991         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3992         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3993         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3994         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3995         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3996         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3997         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3998         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3999         * graphite-clast-to-gimple.c: Same.
4000         * graphite-dependences.c: Same.
4001         * graphite-poly.c: Same.
4002         * graphite-sese-to-poly.c: Same.
4003
4004 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4005
4006         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4007         expressions for an IV rename, as returned by clast_to_gcc_expression.
4008         (copy_renames): Rename new_name to expr.
4009         * sese.c (debug_rename_elt): Same.
4010         (get_rename): Same.
4011         (set_rename): Same.
4012         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4013         the information from the rename map.
4014         (rename_variables_in_stmt): Same.
4015         (add_loop_exit_phis): Rename new_name to expr.
4016         (insert_loop_close_phis): Same.
4017         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4018         * sese.h (struct rename_map_elt): Rename new_name to expr.
4019         (new_rename_map_elt): Same.
4020
4021 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4022
4023         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4024         * sese.c (set_rename): Make it extern.
4025         * sese.h (set_rename): Declared.
4026
4027 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4028
4029         * graphite-poly.c (extend_scattering): Free values.
4030         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4031         Free iterators.
4032         (ppl_print_powerset_matrix): Same.
4033         * graphite-scop-detection.c (free_scops_1): New.
4034         (limit_scops): Call free_scops_1.
4035         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4036         (build_poly_dr): Free PPL coefficients.
4037         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4038
4039 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4040
4041         * graphite-dependences.c: New.
4042         * graphite-data-ref.c: Removed.
4043         * graphite-data-ref.h: Removed.
4044         * Makefile.in (graphite-data-ref.o): Removed.
4045         (graphite-dependences.o): Added.
4046         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4047         * graphite-poly.c: Same.
4048         Move the data dependence testing to graphite-dependences.c.
4049
4050 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4051
4052         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4053         from graphite_cannot_represent_loop. Code refactored.
4054         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4055
4056 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4057
4058         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4059         Cover all the testcases (not only the filtered ones).
4060
4061 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4062
4063         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4064         unnecessary check. Update comments. Move check for REAL_TYPE here.
4065         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4066         done in (stmt_simple_for_scop_p).
4067
4068 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4069
4070         * graphite.c (print_global_statistics): New.
4071         (print_graphite_scop_statistic): New.
4072         (print_graphite_statistics): New.
4073         (graphite_initialize, graphite_transform_loops): Print statistics.
4074         * graphite-scop-detection (build_scops): Print statistics.
4075         (print_graphite_scop_statistics): New.
4076         (print_graphite_statistics): New.
4077
4078 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4079
4080         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4081         (debug_clast_name_index): Removed.
4082         (debug_clast_name_indexes_1): Removed.
4083         (debug_clast_name_indexes): Removed.
4084         (clast_name_index_elt_info): Removed.
4085         (eq_clast_name_indexes): Removed.
4086         (clast_name_to_index): Removed.
4087         (new_clast_name_index): Removed.
4088         (save_clast_name_index): Removed.
4089         (save_var_name): Moved...
4090         (init_sese_params_index): Removed.
4091         (clast_name_to_gcc): Remove use of name_tree.
4092         (initialize_cloog_names): Same.
4093         (gloog): Do not call init_sese_params_index.
4094         * graphite-sese-to-poly.c (save_var_name): ...here.
4095         (parameter_index_in_region): New.
4096         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4097         (parameter_index_in_region): Removed.
4098         (is_parameter): Remove use of name_tree.
4099         * sese.h (struct name_tree): Removed.
4100         (struct sese): Remove use of name_tree.  New field params_names.
4101         (SESE_PARAMS_NAMES): New.
4102         (SESE_PARAMS): Remove duplicate.
4103         (parameter_index_in_region): Removed.
4104         (sese_nb_params): Remove use of name_tree.
4105         (struct clast_name_index): New.
4106         (new_clast_name_index): New.
4107         (clast_name_to_index): New.
4108         (save_clast_name_index): New.
4109         (debug_clast_name_index): New.
4110         (debug_clast_name_indexes_1): New.
4111         (debug_clast_name_indexes): New.
4112         (clast_name_index_elt_info): New.
4113         (eq_clast_name_indexes): New.
4114
4115 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4116
4117         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4118         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4119         (graphite_loop_normal_form): Do not pass region.  Do not
4120         initialize SESE_OLDIVS.
4121         (build_graphite_loop_normal_form): Update call to
4122         graphite_loop_normal_form.
4123         * sese.c (debug_oldivs): Removed.
4124         (new_sese): Do not initialize SESE_OLDIVS.
4125         (free_sese): Do not free SESE_OLDIVS.
4126         (oldiv_for_loop): Removed.
4127         * sese.h (struct sese): Remove old_ivs.
4128         (SESE_OLDIVS): Removed.
4129         (oldiv_for_loop): Removed.
4130
4131 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4132
4133         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4134         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4135         replaced by a call to newivs_to_depth_to_newiv.
4136         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4137         (clast_to_gcc_expression_red): Same.
4138         (gcc_type_for_clast_expr): Same.
4139         (gcc_type_for_clast_eq): Same.
4140         (graphite_translate_clast_equation): Same.
4141         (graphite_create_guard_cond_expr): Same.
4142         (graphite_create_new_guard): Same.
4143         (graphite_create_new_loop): Same.
4144         (build_iv_mapping): Same.
4145         (translate_clast): Same.
4146         (gloog): Same.
4147         (loop_iv_stack_patch_for_consts): Removed.  *
4148         sese.c (iv_stack_entry_is_constant): Removed.
4149         (iv_stack_entry_is_iv): Removed.
4150         (loop_iv_stack_push_iv): Removed.
4151         (loop_iv_stack_insert_constant): Removed.
4152         (loop_iv_stack_pop): Removed.
4153         (loop_iv_stack_get_iv): Removed.
4154         (loop_iv_stack_get_iv_from_name): Removed.
4155         (debug_loop_iv_stack): Removed.
4156         (free_loop_iv_stack): Removed.
4157         (loop_iv_stack_remove_constants): Removed.  *
4158         sese.h (iv_stack_entry_kind): Removed.
4159         (iv_stack_entry_data_union): Removed.
4160         (iv_stack_entry_struct): Removed.
4161         (iv_stack_entry_p): Removed.
4162         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4163         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4164         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4165         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4166         (gbb_loop_at_index): Fix indenting.
4167         (gbb_loop_index): Removed.
4168
4169 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4170
4171         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4172         Call clast_name_to_index.
4173
4174 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4175
4176         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4177         do not pass params.  Get params from SESE_PARAMS.
4178         (clast_to_gcc_expression): Same.
4179         (clast_to_gcc_expression_red): Same.
4180         (gcc_type_for_clast_eq): Same.
4181         (graphite_translate_clast_equation): Same.
4182         (graphite_create_new_loop): Same.
4183         * sese.c (rename_variables_in_stmt): Fix comment.
4184
4185 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4186
4187         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4188         newivs_index.
4189         Call save_clast_name_index.
4190         (translate_clast): Pass newivs_index.
4191         (gloog): Create and free newivs_index.
4192
4193 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4194
4195         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4196         (clast_name_index_p): New type.
4197         (debug_clast_name_index): New.
4198         (debug_clast_name_indexes_1): New.
4199         (debug_clast_name_indexes): New.
4200         (clast_name_index_elt_info): New.
4201         (eq_clast_name_indexes): New.
4202         (clast_name_to_index): New.
4203         (new_clast_name_index): New.
4204         (save_clast_name_index): New.
4205         (init_sese_params_index): New.
4206         (gloog): Call init_sese_params_index.
4207         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4208         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4209         (free_sese): Free SESE_PARAMS_INDEX.
4210         * sese.h (struct sese): Add params_index.
4211         (SESE_PARAMS_INDEX): New.
4212
4213 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4214
4215         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4216         (graphite_create_new_loop): Pass the newivs vector.  Push the
4217         newly created IV to newivs.
4218         (translate_clast): Pass the newivs vector.
4219         (gloog): Create and destroy the newivs vector.
4220
4221 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4222
4223         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4224         (graphite_loop_normal_form): Initialize loop->aux with the unique
4225         IV that has been created.
4226
4227 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4228
4229         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4230         scev with parameters in the base part. They where forbidden
4231         exidently.
4232
4233 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4234
4235         * gcc.dg/graphite/graphite.exp: Set different default
4236         compile options by file names.
4237         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4238         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4239         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4240         * gcc.dg/graphite/scop-matmult.c: Ditto.
4241
4242 2009-05-08  Li Feng <nemokingdom@gmail.com>
4243
4244         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4245         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4246         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4247         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4248
4249 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4250
4251         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4252         by final cleanup.
4253
4254 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4255
4256         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4257         allow integer constant strides.
4258         (graphite_can_represent_expr): Depend on outermost_loop.
4259         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4260         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4261         build_scops_1): Same.
4262         (scopdet_basic_block_info): Same and insert layered SCoP
4263         detection.
4264         (try_generate_gimple_bb): Cleanup.
4265         (build_scops): Enable data references.
4266
4267         * gcc.dg/graphite/id-5.c: New.
4268         * gcc.dg/graphite/id-9.c: New.
4269         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4270         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4271
4272 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4273
4274         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4275         that we have not yet built for this SCoP.
4276
4277 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4278
4279         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4280         for complex numbers.
4281
4282 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4283
4284         * graphite-ppl.c: Fix build if cloog is not available.
4285
4286 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4287
4288         * tree-parloops.c (loop_parallel_p): Remove construction of
4289         NITER and REDUCTION_LIST.
4290         (try_get_loop_niter): New.
4291         (try_create_reduction_list): New.
4292         (parallelize_loops): Bypass the failed checkings in autopar
4293         when can_be_parallel in loop structure is set to true.
4294
4295 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4296
4297         * gcc.dg/graphite/id-6.c: Update testcase.
4298         * gcc.dg/graphite/scop-3.c: Dito.
4299
4300 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4301
4302         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4303         Enable EQ_EXPR and NE_EXPR again.
4304
4305 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4306
4307         * graphite-scop-detection.c (graphite_can_represent_scev):
4308         Add check if scev is affine multivariate.
4309         (harmful_stmt_in_bb): Check if we can represent the conditions.
4310         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4311         harmful_stmt_in_bb.
4312         * gcc.dg/graphite/id-7.c: New.
4313
4314 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4315
4316         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4317         Check all bbs in region, not only the bbs that are represented in
4318         GRAPHITE.
4319         (build_poly_scop): Add newline.
4320         * gcc.dg/graphite/id-8.c: New.
4321
4322 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4323
4324         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4325         when loop initialize.
4326         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4327         * common.opt: Declare flag_graphite_force_parallel.
4328         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4329         loop parallel.
4330         * graphite-poly.c (apply_poly_transforms): Introduce
4331         flag_graphite_force_parallel.
4332         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4333         * toplev.c (process_options): ditto and replace a not correctly
4334         encoded space.
4335
4336 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4337
4338         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4339         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4340         to the redefinition.
4341         (compute_cloog_iv_types_1): ditto.
4342         (build_iv_mapping): ditto.
4343         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4344         initialization.
4345         (free_gimple_bb): Removed GBB_LOOPS related free part.
4346         (build_bb_loops): Removed.
4347         * sese.h (struct gimple_bb): Removed loops.
4348         (GBB_LOOPS): Removed.
4349         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4350         (gbb_loop_index): ditto.
4351
4352 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4353
4354         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4355         allow non constant strides.
4356         * gcc.dg/graphite/scop-20.c: New.
4357
4358 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4359
4360         * graphite-scop-detection.c (dot_all_scops): Fix system call
4361         return value warning.
4362         (dot_scop): Same.
4363
4364 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4365
4366         * gcc.dg/graphite/id-6.c: Fix pattern.
4367         * gcc.dg/graphite/scop-3.c: Same.
4368
4369 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4370
4371         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4372         build_pairwise_constraint, dr_equality_constraints,
4373         build_pairwise_scheduling_equality,
4374         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4375         build_lexicographically_gt_constraint, dependence_polyhedron,
4376         graphite_legal_transform_dr, graphite_legal_transform_bb,
4377         graphite_legal_transform): New.
4378         * graphite-poly.h (graphite_legal_transform): Declared.
4379         * graphite-sese-to-poly.c (build_poly_scop): Call to
4380         graphite_legal_transform is disabled for the moment.
4381
4382 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4383
4384         * graphite-poly.h (pbb_nb_scattering_dims): New.
4385         (pbb_nb_scattering): Use it.
4386
4387 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4388
4389         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4390         Pointset_Powerset version of ppl_insert_dimensions.
4391         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4392
4393 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4394
4395         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4396
4397 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4398
4399         * graphite-poly.h: Fix comment.
4400
4401 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4402
4403         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4404
4405 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4406
4407         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4408         statements.
4409
4410 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4411
4412         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4413         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4414         conditions.
4415
4416 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4417
4418         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4419         handle EQ_EXPR and NE_EXPR.
4420
4421 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4422
4423         * graphite-poly.h (poly_dr): Fix comment.
4424
4425 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4426             Tobias Grosser  <grosser@fim.uni-passau.de>
4427
4428         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4429         with a zero dimension polyhedron.
4430         (find_scop_parameters): Move the call to scop_set_nb_params here.
4431         (build_loop_iteration_domains): Store in loop->aux the iteration
4432         domain polyhedron.
4433         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4434         by any loop in scop.
4435         (build_poly_scop): Do not call scop_set_nb_params.
4436
4437 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4438             Tobias Grosser  <grosser@fim.uni-passau.de>
4439
4440         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4441         add_condition_to_domain not GT_EXPR.
4442
4443 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4444
4445         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4446         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4447         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4448         upper_bound_assign to calculate unions.
4449         * gcc.dg/graphite/id-6.c: New.
4450
4451 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4452
4453         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4454         handle abnormal edges.
4455
4456 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4457
4458         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4459         (free_poly_bb): Also free poly_drs.
4460         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4461         (poly_dr): Polyhedron to Pointset_Powerset.
4462         (pdr_accessp_nb_subscripts): Same.
4463         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4464         poly_drs.
4465
4466 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4467
4468         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4469         names into more meaningful names.
4470
4471 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4472
4473         * gfortran.dg/graphite/interchange-1.c: New.
4474         * gfortran.dg/graphite/interchange-2.c: New.
4475
4476 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4477
4478         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4479         the reduction_list.
4480         * tree-parloops.c (rewrite_phi_with_iv): New.
4481         (rewrite_all_phi_nodes_with_iv): New.
4482         (canonicalize_loop_ivs): Call them.
4483
4484 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4485
4486         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4487         graphite_find_data_references_in_stmt.
4488         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4489         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4490
4491 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4492
4493         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4494
4495 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4496
4497         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4498         instead of bb_in_region.
4499         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4500         (build_sese_conditions): Use flag_bb_in_sese.
4501         * sese.c (register_bb_in_sese): Removed.
4502         (new_sese): Remove initialization of SESE_REGION_BBS.
4503         (free_sese): Do not free SESE_REGION_BBS.
4504         * sese.h (struct sese): Remove field region_basic_blocks.
4505         (SESE_REGION_BBS): Removed.
4506         (bb_in_sese_p): Implement in function of bb_in_region.
4507
4508 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4509
4510         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4511         loops.
4512
4513 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4514
4515         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4516         and EQ_EXPR.
4517         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4518         (add_condition_to_domain): New.
4519         (add_condition_to_pbb): New.
4520         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4521         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4522
4523 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4524
4525         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4526         ppl_Pointset_Powerset.
4527         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4528         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4529         (pbb_nb_loops): Same.
4530         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4531         add_conditions_to_domain): Same.
4532         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4533         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4534         ppl_const_Polyhedron_t.
4535         (ppl_print_powerset_matrix): New.
4536         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4537         ppl_print_powerset_matrix): New.
4538         (ppl_print_polyhedron_matrix): Updated.
4539
4540 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4541
4542         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4543
4544 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4545
4546         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4547         (print_iteration_domains, debug_iteration_domain,
4548         debug_iteration_domains): New.
4549         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4550         debug_iteration_domains): Declared.
4551         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4552         indenting.
4553
4554 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4555             Sebastian Pop  <sebastian.pop@amd.com>
4556
4557         * graphite-poly.h (print_iteration_domain): New.
4558         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4559         (build_sese_conditions_1, build_sese_conditions_after,
4560         build_sese_conditions_before): New.
4561         (build_sese_conditions): Rewritten.
4562
4563 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4564             Tobias Grosser  <grosser@fim.uni-passau.de>
4565
4566         Cleanup of code generation liveouts.
4567         * graphite-clast-to-gimple.c (translate_clast): Use a single
4568         rename_map instead of one per translated statement.
4569         Do not use SESE_LIVEOUT_RENAMES.
4570         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4571         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4572         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4573         phi node of a reduction: when a loop contains a reduction used outside
4574         the loop, there should be a scalar close phi node on the exit block.
4575         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4576         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4577         (free_sese): Do not free them.
4578         (sese_build_liveouts_use): Do not use them.
4579         (sese_build_liveouts_bb): Same.
4580         (sese_build_liveouts): Same.
4581         (sese_insert_phis_for_liveouts): Same.
4582         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4583         (defined_in_loop_p): New.
4584         (alive_after_loop): New.
4585         (close_phi_not_yet_inserted_p): New.
4586         (struct alep, alep_p): New.
4587         (add_loop_exit_phis): Remove from the rename_map all the names defined
4588         in the code generated loop.
4589         (insert_loop_close_phis): Traverse the rename_map passed to it.
4590         Don't use SESE_LIVEOUT_RENAMES.
4591         (default_liveout_before_guard): Renamed default_before_guard.
4592         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4593         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4594         (register_sese_liveout_renames): Removed.
4595         (copy_bb_and_scalar_dependences): Do not call it.
4596         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4597         reduction_list.
4598         (SESE_LIVEOUT): Removed.
4599         (SESE_LIVEOUT_RENAMES): Removed.
4600         (SESE_REDUCTION_LIST): Removed.
4601         (sese_build_liveouts): Removed.
4602         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4603         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4604         (insert_guard_phis): Same.
4605         (rename_map_elt): Declare a VEC of them.
4606         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4607         trees not pointers to trees.
4608
4609         Rewrite in canonical close SSA form:
4610         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4611         (limit_scops): Close the scop after the block containing the close phi
4612         nodes.
4613         (canonicalize_loop_closed_ssa): New.
4614         (canonicalize_loop_closed_ssa_form): New.
4615         (build_scops): Call canonicalize_loop_closed_ssa_form.
4616
4617         * graphite-sese-to-poly.c: Fix typos.
4618
4619 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4620
4621         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4622         Extended.
4623         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4624         (print_pbb): Add conditions.
4625
4626 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4627             Sebastian Pop  <sebastian.pop@amd.com>
4628
4629         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4630         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4631         (build_scop_bbs_1): New.
4632         (build_scop_bbs): Rewrite.
4633         * sese.h (bb_in_region): New.
4634
4635 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4636
4637         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4638         poly_drs vector.
4639         (print_scop): Style.
4640         * graphite-poly.h (poly_bb): Add drs vector.
4641         (PBB_DRS): Add accessor.
4642         * graphite-sese-to-poly.c (build_poly_dr): New.
4643         (build_pbb_drs, build_scop_drs): New.
4644         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4645
4646 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4647
4648         * tree-ssa-loop.c: Include forgotten toplev.h
4649
4650 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4651
4652         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4653         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4654         * gcc.dg/graphite/pr37928.c: Same
4655         * gcc.dg/graphite/pr38409.c: Same
4656         * gcc.dg/graphite/pr38498.c: Same
4657         * gcc.dg/graphite/pr38559.c: Same
4658         * gcc.dg/graphite/pr39335.c: Same
4659         * gcc.dg/graphite/pr39335_1.c: Same
4660         * gfortran.dg/graphite/block-2.f: Same
4661         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4662         with -floop-*.
4663
4664 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4665
4666         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4667         build_access_matrix, build_scop_data_accesses): Remove access function
4668         building. (We get a new version soon).
4669         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4670         * sese.h (nb_loops_around_loop_in_sese): Remove.
4671         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4672
4673 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4674             Sebastian Pop  <sebastian.pop@amd.com>
4675
4676         * graphite-scop-detection.c (struct scopdet_info): Rename last
4677         field to exit.
4678         (scopdet_basic_block_info, build_scops_1): Don't use
4679         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4680
4681 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4682             Sebastian Pop  <sebastian.pop@amd.com>
4683
4684         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4685         * sese.c (sese_build_liveouts_use): Renamed from
4686         sese_build_livein_liveouts_use. Remove liveins.
4687         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4688         Call sese_build_liveouts_use.
4689         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4690         Call sese_build_liveouts_bb.
4691         (new_sese, free_sese): Remove liveins.
4692         (sese_add_exit_phis_var): Deleted.
4693         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4694         directly.
4695         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4696
4697         * sese.h (sese): Remove num_ver and livein.
4698         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4699
4700 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4701
4702         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4703
4704 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4705
4706         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4707         (build_scop_scattering): Do not use compare_prefix_loops any more.
4708         (nb_common_loops): New.
4709
4710 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4711
4712         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4713         (register_old_and_new_names): Renamed set_rename.
4714
4715 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4716
4717         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4718         of the decl from the previous commit.
4719
4720 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4721
4722         * graphite-scop-detection.c (dot_scop): New.
4723         * graphite-scop-detection.h (dot_scop): Declared.
4724
4725 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4726
4727         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4728
4729 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4730
4731         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4732         condition at the end of the loop.
4733         * graphite.c (graphite_initialize, graphite_finalize): Print to
4734         dump_file the compiled function.
4735         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4736         of create_empty_loop_on_edge.
4737         (translate_clast): Update the code generation of loops for the new
4738         shape of loops.
4739         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4740
4741 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4742
4743         Reverted the patch from 2009-03-19.
4744
4745 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4746
4747         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4748         poly_drs vector.
4749         (print_scop): Style.
4750         * graphite-poly.h (poly_bb): Add drs vector.
4751         (PBB_DRS): Add accessor.
4752         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4753         (build_access_matrix_with_af, build_access_matrix,
4754         build_scop_data_accesses): Delete.
4755         (build_poly_dr): New.
4756         (build_pbb_drs, build_scop_drs): New.
4757         (build_poly_scop): call build_scop_drs.
4758
4759 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4760
4761         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4762         once per basic block.
4763
4764 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4765
4766         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4767         (graphite_can_represent_expr): Renamed from loop_affine_expr
4768         and enhanced.
4769         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4770         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4771         (scopdet_basic_block_info): Actually define entry_block.
4772         (stmt_simple_memref_p): Moved here from ...
4773
4774         * tree-data-ref.c (stmt_simple_memref_p): here.
4775         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4776
4777 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4778
4779         * gcc.dg/graphite/id-4.c: New.
4780
4781 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4782
4783         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4784         (register_old_and_new_names): Update the content of the map.
4785         When there was already a rename_map_elt in the map at that
4786         location, free it.
4787         (copy_bb_and_scalar_dependences): Do rename_variables after
4788         expand_scalar_variables.
4789         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4790         of the map.  When there was already a rename_map_elt in the
4791         map at that location, free it.
4792         (translate_clast): Pass the rename_map.  Do not initialize and free
4793         a rename_map per stmt_user.
4794         (gloog): Initialize and free one rename_map and pass it to
4795         translate_clast.
4796
4797 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4798
4799         * sese.c (expand_scalar_variables_stmt,
4800         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4801         parameter.
4802         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4803         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4804         the gimple_stmt_iterator of the statement to be expanded.
4805         * graphite-scop-detection.c (is_simple_operand): Do handle
4806         REALPART_EXPR.
4807
4808 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4809
4810         * graphite-scop-detection.c (is_simple_operand): Do not handle
4811         REALPART_EXPR.
4812         * gcc.dg/graphite/id-2.c: New.
4813
4814         * graphite-sese-to-poly.c (build_bb_loops,
4815         add_value_to_dim, scan_tree_for_params_right_scev,
4816         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4817         find_params_in_bb, build_loop_iteration_domains,
4818         add_conditions_to_domain): Remove subtract.
4819
4820 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4821
4822         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4823         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4824         pbb_loop_at_index -> gbb_loop_at_index.
4825         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4826         (debug_loop_vec): Delete.
4827         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4828         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4829         (PBB_LOOPS): Removed.
4830         (PBB_BLACK_BOX): Insert cast.
4831         (pbb_set_black_box): New setter.
4832         (pbb_loop_at_index, pbb_loop_index): Removed.
4833         (scop_set_region, scop_set_nb_params): New.
4834         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4835         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4836         (build_poly_scop): Use scop_set_nb_params.
4837         * sese.h (gimple_bb): Add LOOPS.
4838         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4839
4840 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4841
4842         Revert previous commit.
4843
4844 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4845
4846         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4847         (register_old_and_new_names): Update the content of the map.
4848         When there was already a rename_map_elt in the map at that
4849         location, free it.
4850         (copy_bb_and_scalar_dependences): Do rename_variables after
4851         expand_scalar_variables.
4852         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4853         of the map.  When there was already a rename_map_elt in the
4854         map at that location, free it.
4855         (translate_clast): Pass the rename_map.  Do not initialize and free
4856         a rename_map per stmt_user.
4857         (gloog): Initialize and free one rename_map and pass it to
4858         translate_clast.
4859
4860 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4861
4862         Remove forgotten line in revert.
4863
4864 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4865
4866         Revert previous commit.
4867
4868 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4869
4870         * sese.c (register_old_and_new_names): Update the content
4871         of the map.  When there was already a rename_map_elt in the
4872         map at that location, free it.
4873         (copy_bb_and_scalar_dependences): Do rename_variables after
4874         expand_scalar_variables.
4875         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4876         of the map.  When there was already a rename_map_elt in the
4877         map at that location, free it.
4878         (translate_clast): Pass the rename_map.  Do not initialize and free
4879         a rename_map per stmt_user.
4880         (gloog): Initialize and free one rename_map and pass it to
4881         translate_clast.
4882
4883 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4884
4885         * graphite-clast-to-gimple.c (translate_clast): context_loop
4886         is never NULL.
4887
4888 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4889             Sebastian Pop  <sebastian.pop@amd.com>
4890
4891         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4892         of the use of ppl_Polyhedron_map_space_dimensions.
4893
4894 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4895             Sebastian Pop  <sebastian.pop@amd.com>
4896
4897         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4898         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4899         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4900         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4901         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4902         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4903         pbb_nb_params): New.
4904         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4905         nb_loops_around_pbb): Adapt return types.
4906
4907 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4908
4909         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4910         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4911         graphite-scop-detection.o, graphite-poly.o): Add
4912         more headers.
4913
4914 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4915
4916         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4917         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4918         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4919
4920 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4921
4922         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4923         * gcc.dg/graphite/pr37828.c: Same.
4924         * gcc.dg/graphite/pr37684.c: Same.
4925         * gcc.dg/graphite/block-0.c: Same.
4926         * gcc.dg/graphite/block-1.c: Same.
4927         * gcc.dg/graphite/block-2.c: Same.
4928         * gcc.dg/graphite/block-3.c: Same.
4929         * gcc.dg/graphite/block-4.c: Same.
4930         * gcc.dg/graphite/block-5.c: Same.
4931         * gcc.dg/graphite/block-6.c: Same.
4932         * gfortran.dg/graphite/pr38083.f90: Same.
4933         * gfortran.dg/graphite/block-1.f90: Same.
4934         * gfortran.dg/graphite/block-3.f90: Same.
4935         * gfortran.dg/graphite/pr37852.f90: Same.
4936         * gfortran.dg/graphite/block-4.f90: Same.
4937         * gfortran.dg/graphite/pr37980.f90: Same.
4938         * gfortran.dg/graphite/pr38953.f90: Same.
4939         * gfortran.dg/graphite/pr37857.f90: Same.
4940         * opts.c: Remove -floop-block from -O2.
4941         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4942         -floop-strip-mine are used.
4943
4944 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4945             Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4948         dimensions.
4949         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4950         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4951         strip_mine_profitable_p, is_interchange_valid,
4952         graphite_trans_bb_block, graphite_trans_loop_block,
4953         graphite_trans_scop_block): Temporary removed.
4954         (extend_scattering, unify_scattering_dimensions): New.
4955         (print_scattering_function, graphite_read_transforms):
4956         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4957         (graphite_generate_scattering_fns): Removed.
4958         (apply_poly_transforms): Cleanup.
4959         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4960         (schedule_to_scattering): Moved.
4961         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4962         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4963         (pbb_nb_scattering): New.
4964         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4965         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4966         Removed.
4967         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4968         shift_poly.
4969         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4970         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4971         -> PBB_TRANSFORMED_SCATTERING.
4972         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4973         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4974         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4975         (check_poly_representation): Do not return bool.
4976         (graphite_transform_loops): Reformat.
4977         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4978
4979 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4980
4981         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4982         debug_pbb_domain, debug_pbb, debug_scop): New.
4983         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4984         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4985
4986 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4987
4988         PR middle-end/39335
4989         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4990         when the type precision of the induction variable should be
4991         larger than the type precision of nit.
4992         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4993         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4994         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4995
4996         * gcc.dg/graphite/pr39335_1.c: New.
4997         * gcc.dg/graphite/pr39335.c: New.
4998
4999 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5000
5001         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5002         SSA_NAMES not struct reduction_info.
5003
5004 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5005
5006         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5007
5008 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5009             Tobias Grosser  <grosser@fim.uni-passau.de>
5010
5011         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5012         (free_sese): Free SESE_REDUCTION_LIST.
5013         * sese.h (struct sese): Add field reduction_list.
5014         (SESE_REDUCTION_LIST): New.
5015         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5016         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5017
5018 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5019             Tobias Grosser  <grosser@fim.uni-passau.de>
5020
5021         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5022         of loop_p.
5023
5024 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5025             Tobias Grosser  <grosser@fim.uni-passau.de>
5026
5027         * tree-parloops.c (struct brli, build_reduction_list_info,
5028         analyze_reduction_list, gather_scalar_reductions): New.
5029         (loop_parallel_p): Build a reduction list containing only
5030         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5031         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5032         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5033         * tree-flow.h (gather_scalar_reductions): Declared.
5034
5035 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5036
5037         PR middle-end/39308
5038         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5039         number_of_iterations_exit from a gcc_assert.
5040
5041 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5042             Jan Sjodin  <jan.sjodin@amd.com>
5043
5044         * output.h (graphite_out_file, graphite_in_file): Declared.
5045         * toplev.c (graphite_out_file, graphite_in_file): New.
5046         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5047         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5048         Don't call schedule_to_scattering.
5049         * common.opt (fgraphite-write, fgraphite-read): New.
5050         * graphite-poly.c: Include output.h.
5051         (print_scattering_function, print_scattering_functions,
5052         debug_scattering_function, debug_scattering_functions,
5053         graphite_write_transforms, graphite_read_transforms,
5054         graphite_generate_scattering_fns): New.
5055         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5056         Call graphite_generate_scattering_fns, graphite_write_transforms,
5057         graphite_read_transforms.
5058         (new_poly_bb): Initialize PBB_SCATTERING.
5059         (free_poly_bb): Free PBB_SCATTERING.
5060         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5061         * graphite-poly.h (struct poly_bb): Add field scattering.
5062         (PBB_SCATTERING): New.
5063         (print_scattering_function, print_scattering_functions,
5064         debug_scattering_function, debug_scattering_functions): Declared.
5065         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5066         GMP values, not integers!
5067         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5068         ppl_read_polyhedron_matrix): New.
5069         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5070         debug_ppl_polyhedron_matrix,
5071         ppl_read_polyhedron_matrix): Declared.
5072         * Makefile.in (graphite-poly.o): Depends on output.h.
5073
5074 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5075             Tobias Grosser  <grosser@fim.uni-passau.de>
5076
5077         Revert this change:
5078         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5079         scalar evolutions in the scop_entry->loop_father.
5080
5081 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5082             Tobias Grosser  <grosser@fim.uni-passau.de>
5083
5084         * graphite.h (ref_nb_loops): Remove declaration.
5085         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5086         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5087         debug_gbb): Moved to sese.h.
5088         * sese.h: As said.
5089
5090 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5091             Tobias Grosser  <grosser@fim.uni-passau.de>
5092
5093         * graphite-data-ref.[ch]: Disable.
5094
5095 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5096             Tobias Grosser  <grosser@fim.uni-passau.de>
5097
5098         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5099         scalar evolutions in the scop_entry->loop_father.
5100
5101 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5102
5103         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5104         (graphite_cannot_represent_loop_niter): Renamed
5105         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5106         (limit_scops): build_sese_loop_nests does not return a bool.
5107         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5108         * sese.c (nb_reductions_in_loop): ... from here.
5109         (graphite_loop_normal_form): ... from here.
5110         (sese_record_loop): Does not fail, so does not return a bool.
5111         (build_sese_loop_nests): Same.
5112         * sese.h (build_sese_loop_nests): Update declaration.
5113         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5114         (build_graphite_loop_normal_form): New.
5115         (gloog): Call build_graphite_loop_normal_form.
5116         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5117         build_sese_loop_nests.
5118
5119         * gcc.dg/graphite/id-1.c: New.
5120
5121 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5122             Tobias Grosser  <grosser@fim.uni-passau.de>
5123
5124         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5125         The SCoP detection fix is sufficient.
5126
5127 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5128
5129         PR tree-optimization/39260
5130         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5131         the basic block contains a condition with a real type.
5132         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5133
5134         * gcc.dg/graphite/pr39260.c: New.
5135
5136 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5137
5138         * graphite-poly.c: Inlcude params.h.
5139         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5140         the size of a tile.
5141         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5142         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5143
5144 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5145             Tobias Grosser  <grosser@fim.uni-passau.de>
5146
5147         * graphite-scop-detection.c (dot_all_scops_1,
5148         dot_all_scops): Moved here.
5149         * graphite-scop-detection.h (dot_all_scops): Declared here.
5150         * graphite.c (graphite_initialize, graphite_finalize): New.
5151         (graphite_transform_loops): Cleaned up.
5152         * sese.c (debug_oldivs): Moved here.
5153         * graphite-poly.c (graphite_apply_transformations): Renamed
5154         apply_poly_transforms.
5155         (debug_loop_vec): Moved here.
5156         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5157         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5158         find_scop_parameters, build_scop_iteration_domain,
5159         add_conditions_to_constraints, build_scop_canonical_schedules,
5160         build_scop_data_accesses): Now static.
5161         (build_poly_scop, check_poly_representation): New.
5162
5163 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5164
5165         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5166         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5167         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5168         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5169         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5170         scan_tree_for_params, struct irp_data, dx_record_params,
5171         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5172         build_loop_iteration_domains, add_conditions_to_domain,
5173         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5174         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5175         build_sese_conditions, add_conditions_to_constraints,
5176         build_scop_iteration_domain, build_access_matrix_with_af,
5177         build_access_matrix,
5178         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5179
5180         * graphite-sese-to-poly.c: New.
5181         * graphite-sese-to-poly.h: New.
5182
5183         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5184
5185 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5186
5187         * graphite.c: Split graphite code generation to a new file.
5188         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5189         max_precision_type, clast_to_gcc_expression_red,
5190         clast_to_gcc_expression, gcc_type_for_clast_expr,
5191         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5192         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5193         graphite_create_new_guard, clast_get_body_of_loop,
5194         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5195         graphite_create_new_loop, build_iv_mapping, copy_renames,
5196         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5197         compute_cloog_iv_types, free_scattering, save_var_name,
5198         initialize_cloog_names, build_scop_context, build_cloog_prog,
5199         set_cloog_options, debug_clast_stmt, scop_to_clast,
5200         print_generated_program, debug_generated_program,
5201         gloog): Moved to graphite-clast-to-gimple.c.
5202
5203         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5204
5205         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5206         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5207         loop_iv_stack_pop, loop_iv_stack_get_iv,
5208         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5209         free_loop_iv_stack, loop_iv_stack_remove_constants,
5210         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5211         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5212         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5213         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5214         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5215         get_vdef_before_sese, sese_adjust_vphi,
5216         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5217         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5218         is_iv, expand_scalar_variables_ssa_name,
5219         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5220         expand_scalar_variables, rename_variables, remove_condition,
5221         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5222         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5223         default_liveout_before_guard, add_guard_exit_phis,
5224         insert_guard_phis, register_old_and_new_names,
5225         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5226         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5227         if_region_set_false_region, create_if_region_on_edge,
5228         move_sese_in_condition): Moved to sese.c.
5229
5230         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5231         if_region_exit, if_region_get_condition_block,
5232         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5233         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5234         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5235         ivtype_map_elt, new_ivtype_map_elt,
5236         recompute_all_dominators): Moved to sese.h.
5237
5238         * graphite-clast-to-gimple.c: New.
5239         * graphite-clast-to-gimple.h: New.
5240         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5241         * sese.c: Modified as said above.
5242         * sese.h: Same.
5243
5244 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5245
5246         * graphite.c: Split scop detection to a new file.
5247         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5248         move_sd_regions, loop_affine_expr, exclude_component_ref,
5249         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5250         graphite_cannot_represent_loop_niter, struct scopdet_info,
5251         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5252         find_single_entry_edge, find_single_exit_edge,
5253         create_single_entry_edge, sd_region_without_exit,
5254         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5255         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5256         Moved to graphite-scop-detection.c.
5257
5258         * graphite-scop-detection.c: New.
5259         * graphite-scop-detection.h: New.
5260         * Makefile.in: Add new rule for graphite-scop-detection.o.
5261
5262         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5263         tree-scalar-evolution.h.
5264         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5265         build_sese_loop_nests): Moved here from graphite.c.
5266         (param_index): Renamed parameter_index_in_region.
5267
5268 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5269             Sebastian Pop  <sebastian.pop@amd.com>
5270
5271         * gcc.dg/graphite/block-0.c: Expected to fail now.
5272         * gcc.dg/graphite/block-1.c: Same.
5273         * gcc.dg/graphite/block-5.c: Same.
5274         * gcc.dg/graphite/block-6.c: Same.
5275
5276 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5277             Sebastian Pop  <sebastian.pop@amd.com>
5278
5279         * graphite.h: Separate from graphite_bb_p the polyhedral
5280         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5281         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5282         graphite-data-ref.h.
5283         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5284         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5285         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5286         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5287         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5288         scop_nb_params): Moved to graphite-poly.h.
5289         * graphite-data-ref.c: Same.
5290         * graphite-data-ref.h: New.
5291         * graphite.c: Same.
5292         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5293         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5294         is_interchange_valid, graphite_trans_bb_block,
5295         graphite_trans_loop_block, scop_max_loop_depth,
5296         graphite_trans_scop_block, graphite_apply_transformations,
5297         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5298         graphite-poly.c.
5299         * graphite-poly.h: New.
5300         * graphite-poly.c: New.
5301         * Makefile.in (OBJS-common): Add graphite-poly.o.
5302         (graphite-poly.o): New rule.
5303         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5304         (DR_SCOP): Removed.
5305
5306 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5307             Tobias Grosser  <grosser@fim.uni-passau.de>
5308
5309         * graphite.c: Replace gb -> gbb.
5310         * graphite.h: Same.
5311         * graphite-data-ref.c: Same.
5312
5313 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5314             Tobias Grosser  <grosser@fim.uni-passau.de>
5315
5316         * Makefile.in (OBJS-commmon): Add sese.o.
5317         (sese.o): New.
5318         (graphite.o): Add sese.h.
5319         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5320         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5321         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5322         Move to sese.
5323         (block_before_scop): Add missing return.
5324         (new_scop, free_scop): Remove SESE data structures.
5325         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5326         find_scop_parameters, build_loop_iteration_domains,
5327         add_conditions_to_domain, register_scop_liveout_renames,
5328         copy_bb_and_scalar_dependences): Scop -> SESE.
5329
5330         (add_conditions_to_domain): SCoP -> SESE and remove check
5331         (scop_contains_non_iv_scalar_phi_nodes): New.
5332         (build_scop_conditions_1, build_scop_conditions): Remove check for
5333         non iv scalar phi nodes.
5334         (print_scop_statistics): New.
5335         (graphite_transform_loops): Cleanup.
5336
5337         * graphite.h: Move to sese & cleanup.
5338         * sese.c: New.
5339         * sese.h: New.
5340
5341 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5342             Tobias Grosser  <grosser@fim.uni-passau.de>
5343
5344         * graphite.c (build_scop_conditions_1): Conditions are only
5345         at the end of a basic block.
5346
5347 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5348             Tobias Grosser  <grosser@fim.uni-passau>
5349
5350         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5351         field.
5352         (GBB_ALPHA): Removed.
5353
5354 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5355             Tobias Grosser  <grosser@fim.uni-passau.de>
5356
5357         * graphite-data-ref.c (graphite_test_dependence): Don't use
5358         GBB_DYNAMIC_SCHEDULE.
5359         * graphite.c (new_graphite_bb): Same.
5360         (free_graphite_bb): Same.
5361         (build_scop_dynamic_schedules): Removed.
5362         (graphite_transform_loops): Don't call it.
5363         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5364         (GBB_DYNAMIC_SCHEDULE): Removed.
5365
5366 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5367             Tobias Grosser  <grosser@fim.uni-passau.de>
5368
5369         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5370         (print_graphite_bb): Same.
5371         (build_cloog_prog): Same.
5372
5373 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5374             Tobias Grosser  <grosser@fim.uni-passau.de>
5375
5376         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5377
5378 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5379             Tobias Grosser  <grosser@fim.uni-passau.de>
5380
5381         * graphite.c (build_scop_context): Don't use CloogMatrix.
5382         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5383         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5384
5385 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5386             Tobias Grosser  <grosser@fim.uni-passau.de>
5387
5388         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5389         liveout_renames, add_params fields...
5390         (struct sese): ... here.
5391         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5392         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5393
5394 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5395             Tobias Grosser  <grosser@fim.uni-passau.de>
5396
5397         * graphite.c (print_scop): Do not print the CLooG program.
5398         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5399         build_cloog_prog, gloog): Don't use SCOP_PROG.
5400         (find_transform): Renamed scop_to_clast.
5401         (print_generated_program, debug_generated_program): New.
5402         (graphite_transform_loops): Adapt to new interface.
5403         * graphite.h (struct scop): Remove program field.
5404         (SCOP_PROG): Removed.
5405         (print_generated_program, debug_generated_program): Declared.
5406
5407 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5408
5409         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5410         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5411         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5412         free_graphite_bb, build_scop_canonical_schedules,
5413         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5414         schedules are now represented using a ppl_Linear_Expression_t.
5415         * graphite.h (struct graphite_bb): Same.
5416         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5417         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5418
5419 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5420
5421         * graphite.c: Free local memory.
5422         * graphite-ppl.c: Same.
5423
5424 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5425
5426         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5427         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5428         swap_constraint_variables, scale_constraint_variable): Removed.
5429         (graphite_trans_bb_strip_mine): Remove pong.
5430         * graphite-ppl.c: Include missing header files.
5431         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5432         * graphite-ppl.h (ppl_strip_loop): Declared.
5433         * Makefile.in (graphite-ppl.o): Adjust dependences.
5434
5435 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5436
5437         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5438         (build_scop_iteration_domain): Same.
5439
5440 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5441
5442         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5443         ping pong.
5444         (add_value_to_dim, scan_tree_for_params_right_scev,
5445         scan_tree_for_params_int): New.
5446         * graphite-ppl.c (oppose_constraint): New.
5447         (insert_constraint_into_matrix): Implement missing cases.
5448         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5449
5450 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5451
5452         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5453         use ppl_move_dimension.
5454
5455 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5456
5457         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5458         * graphite.c: Same.
5459         * graphite.h: Same.
5460         * graphite-ppl.c: Same.
5461         * graphite-ppl.h: Same.
5462
5463 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5464
5465         Revert last 3 commits.
5466
5467 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5468
5469         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5470         ping pong.
5471         (add_value_to_dim, scan_tree_for_params_right_scev,
5472         scan_tree_for_params_int): New.
5473         * graphite-ppl.c (oppose_constraint): New.
5474         (insert_constraint_into_matrix): Implement missing cases.
5475         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5476
5477 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5478
5479         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5480
5481 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5482             Tobias Grosser  <grosser@fim.uni-passau.de>
5483
5484         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5485         use ppl_move_dimension.
5486         * graphite-ppl.c (ppl_move_dimension): New.
5487         * graphite-ppl.h (ppl_move_dimension): Declared.
5488
5489 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5490
5491         * graphite.c: Do not include cloog/cloog.h.
5492         (print_graphite_bb): Remove ping pong, call PPL print function.
5493
5494 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5495
5496         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5497         (graphite.o): Add dependence on graphite-ppl.h.
5498         (graphite-ppl.o): New.
5499         (graphite-data-ref.c): Ping pong between PPL data structures
5500         and matrices.
5501         * graphite-ppl.c: New.
5502         * graphite-ppl.h: New.
5503         * graphite.c: Include graphite-ppl.h.
5504         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5505         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5506         Ping pong between PPL data structures and matrices.
5507         (new_graphite_bb): Create a PPL constraint system.
5508         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5509         (build_loop_iteration_domains): Use PPL functions.
5510         * graphite.h: Include graphite-ppl.h.  Fix comments.
5511         (graphite_bb): Use a ppl_Constraint_System_t instead of
5512         CloogMatrix for representing the domain.
5513         (scop): Remove static_schedule.
5514         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5515
5516 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5517
5518         * graphite.c: Fix some comments.
5519
5520 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5521
5522         PR middle-end/38953
5523         * graphite.c (if_region_set_false_region): After moving a region
5524         in the false branch of a condition, remove the empty dummy
5525         basic block.
5526         (gloog): Remove wrong fix for PR38953.
5527
5528 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5529
5530         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5531         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5532         register_bb_in_sese, new_sese, free_sese): Moved.
5533         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5534         outermost_loop_in_scop, build_scop_iteration_domain,
5535         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5536         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5537         Use loop_in_sese_p instead of loop_in_scop_p.
5538         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5539         (free_scop): Do not free SCOP_BBS_B.
5540         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5541         ref_nb_loops): Moved here...
5542         * graphite.h (ref_nb_loops): ... from here.
5543         (struct scop): Remove bbs_b bitmap.
5544         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5545         * gcc.dg/graphite/scop-19.c: New
5546
5547 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5548
5549         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5550         detection.
5551
5552 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5553
5554         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5555         eq_loop_to_cloog_loop): Remove.
5556         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5557         * graphite.h (struct scop): Remove loop2cloog_loop.
5558         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5559
5560 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5561
5562         * opts.c (decode_options): Only add graphite options to O2
5563         if we compile with graphite enabled.
5564
5565 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5566
5567         * Merge from mainline (r143163:143684).
5568
5569 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5570
5571         * graphite.c (debug_value): Removed.
5572         * graphite.h (debug_value): Removed.
5573
5574 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5575
5576         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5577         after graphite: pass_copy_prop does not maintain a proper loop closed
5578         SSA form.  pass_copy_prop should be fixed.
5579
5580 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5581
5582         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5583
5584 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5585
5586         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5587         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5588         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5589         changed the CFG.
5590
5591 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5592
5593         * graphite.c (gloog): Return true when code gen succeeded.
5594         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5595         the code of the function did not changed.  After cleanup_tree_cfg
5596         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5597         form.
5598
5599 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5600
5601         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5602         gimple_call_lhs is NULL.
5603
5604 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5605             Tobias Grosser  <tobi.grosser@amd.com>
5606
5607         * graphite.c (graphite_trans_scop_block): Do not block single
5608         nested loops.
5609
5610 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5611             Tobias Grosser  <tobi.grosser@amd.com>
5612
5613         * graphite.c (build_scop_canonical_schedules): Start schedules at
5614         zero.
5615
5616 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5617             Tobias Grosser  <tobi.grosser@amd.com>
5618
5619         * graphite.c (compare_prefix_loops): New.
5620         (build_scop_canonical_schedules): Rewritten.
5621         (graphite_transform_loops): Move build_scop_canonical_schedules
5622         after build_scop_iteration_domain.
5623
5624 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5625             Tobias Grosser  <tobi.grosser@amd.com>
5626
5627         * graphite.c (add_conditions_to_domain): Add the loops to
5628         the dimension of the iteration domain.  Do copy the domain
5629         only when it exists.
5630         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5631         (add_conditions_to_constraints): New.
5632         (can_generate_code_stmt, can_generate_code): Removed.
5633         (gloog): Do not call can_generate_code.
5634         (graphite_transform_loops): Call add_conditions_to_constraints
5635         after building the iteration domain.
5636
5637 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5638             Tobias Grosser  <tobi.grosser@amd.com>
5639             Jan Sjodin  <jan.sjodin@amd.com>
5640
5641         * graphite.c (scan_tree_for_params): On substractions negate
5642         all the coefficients of the term.
5643         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5644         of more than two operands.
5645         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5646         (get_vdef_before_scop): Handle also the case of default definitions.
5647
5648 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5649
5650         PR middle-end/38431
5651         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5652         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5653         (gloog): Do not call cleanup_tree_cfg.
5654         (graphite_transform_loops): Call cleanup_tree_cfg after all
5655         scops have been code generated.
5656
5657 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5658
5659         * passes.c (init_optimization_passes): Schedule after
5660         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5661
5662 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5663
5664         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5665         Fix comment.
5666         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5667         Set the type of an expression to the type of its assign statement.
5668         (expand_scalar_variables_expr):  Do not pass loop_p.
5669         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5670         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5671         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5672
5673 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5674
5675         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5676         an expression to the gimple_expr_type of its assign statement.
5677         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5678         or tcc_declaration.
5679
5680 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5681
5682         PR tree-optimization/38786
5683         * gcc.dg/graphite/pr38786.c: New.
5684         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5685         the SSA_NAME case of expand_scalar_variables_expr.
5686         (expand_scalar_variables_expr): Also gather the scalar computation
5687         used to index the memory access.
5688         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5689         the gimple_stmt_iterator where it inserts new code.
5690
5691 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5692
5693         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5694
5695 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5696
5697         * opts.c (decode_options): Enable flag_graphite_identity and
5698         flag_loop_block in -O2 and above.
5699
5700 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5701
5702         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5703         Fix merge problem: replace with the file from trunk.
5704
5705 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5706
5707         * Merge from mainline (r141727:143163).
5708
5709 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5710             Jan Sjodin  <jan.sjodin@amd.com>
5711
5712         PR tree-optimization/38559
5713         * gcc.dg/graphite/pr38559.c: New.
5714
5715         * graphite.c (debug_value, copy_constraint,
5716         swap_constraint_variables, scale_constraint_variable, ): New.
5717         (get_lower_bound, get_upper_bound): Removed.
5718         (graphite_trans_bb_strip_mine): Clean up this code that works
5719         only for constant number of iterations.  Fully copy upper and
5720         lower bound constraints, not only the constant part of them.
5721         * graphite.h (debug_value): Declared.
5722
5723 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5724
5725         PR tree-optimization/38492
5726         PR tree-optimization/38498
5727         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5728         * tree-chrec.h (scev_is_linear_expression): Declared.
5729         * graphite.c (graphite_cannot_represent_loop_niter): New.
5730         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5731         (graphite_loop_normal_form): Use gcc_assert.
5732         (scan_tree_for_params): Use CASE_CONVERT.
5733         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5734         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5735         Use gcc_assert.  Discard scops that contain unhandled cases.
5736         (build_scop_conditions): Return a boolean status for unhandled cases.
5737         (strip_mine_profitable_p): Print the loop number, not its depth.
5738         (is_interchange_valid): Pass the depth of the loop nest, don't
5739         recompute it wrongly.
5740         (graphite_trans_bb_block): Same.
5741         (graphite_trans_bb_block): Print tentative of loop blocking.
5742         (graphite_trans_scop_block): Do not print that the loop has been
5743         blocked.
5744         (graphite_transform_loops): Do not handle scops that contain condition
5745         scalar phi nodes.
5746
5747         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5748         in trunk.
5749         * gcc.dg/graphite/block-0.c: Update test.
5750         * gcc.dg/graphite/block-1.c: Same.
5751         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5752         blocking.
5753         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5754         * gcc.dg/graphite/block-3.c: New.
5755         * gcc.dg/graphite/pr38498.c: New.
5756
5757 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5758
5759         PR tree-optimization/38510
5760         * gcc.dg/graphite/pr38510.c: New.
5761         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5762           (translate_clast): Call recompute_all_dominators before
5763           graphite_verify.
5764           (gloog): Call recompute_all_dominators before graphite_verify.
5765
5766 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5767
5768         PR tree-optimization/38492
5769         * graphite.c (rename_map_elt, debug_rename_elt,
5770         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5771         rename_map_elt_info, eq_rename_map_elts,
5772         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5773         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5774         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5775         (sese_build_livein_liveouts): New.
5776         (new_sese, free_sese): New.
5777         (new_scop): Call new_sese.
5778         (free_scop): Call free_sese.
5779         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5780         (register_old_new_names): Renamed register_old_and_new_names.
5781         (register_scop_liveout_renames, add_loop_exit_phis,
5782         insert_loop_close_phis, struct igp,
5783         default_liveout_before_guard, add_guard_exit_phis,
5784         insert_guard_phis, copy_renames): New.
5785         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5786         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5787         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5788         (scop_adjust_phis_for_liveouts): New.
5789         (gloog): Call scop_adjust_phis_for_liveouts.
5790
5791         * graphite.h (struct sese): Documented.  Added fields liveout,
5792         num_ver and livein.
5793         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5794         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5795         (struct scop): Added field liveout_renames.
5796         (SCOP_LIVEOUT_RENAMES): New.
5797
5798 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5799
5800         PR tree-optimization/38409
5801         * gcc.dg/graphite/pr38409.c: New.
5802         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5803
5804 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5805
5806         * graphite.c (gcc_type_for_cloog_iv): By default return
5807         integer_type_node.
5808         (graphite_create_new_loop): Don't fold_convert the already
5809         fold_convert-ed expression.
5810
5811 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5812
5813         PR tree-optimization/38446
5814         * gcc.dg/graphite/pr38446.c: New.
5815         * graphite.c (register_bb_in_sese): New.
5816         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5817         looking at the bbs in the region.
5818         * graphite.h (sese): Add region_basic_blocks pointer set to
5819         structure and initialize at the time of defining new scop.
5820
5821 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5822
5823         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5824         (find_params_in_bb): Do not free data refs.
5825         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5826
5827 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5828
5829         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5830         * gcc.dg/graphite/scop-17.c: Same.
5831         * gcc.dg/graphite/block-5.c: New.
5832         * gcc.dg/graphite/block-6.c: New.
5833         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5834         * gcc.dg/graphite/pr37684.c: Same.
5835         * gcc.dg/graphite/block-2.c: Same.
5836
5837         * graphite.c (struct ivtype_map_elt): New.
5838         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5839         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5840         gcc_type_for_cloog_iv): New.
5841         (loop_iv_stack_patch_for_consts): Use the type of the induction
5842         variable from the original loop, except for the automatically
5843         generated loops, i.e., in the case of a strip-mined loop, in
5844         which case there is no original loop: in that case just use
5845         integer_type_node.
5846         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5847         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5848         (clast_name_to_gcc): Accept params to be NULL.
5849         (clast_to_gcc_expression): Take an extra parameter for the type.
5850         Convert to that type all the expressions built by this function.
5851         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5852         (graphite_translate_clast_equation): Compute the type of the
5853         clast_equation before translating its LHS and RHS.
5854         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5855         (graphite_create_new_loop): Compute the type of the induction
5856         variable before translating the lower and upper bounds and before
5857         creating the induction variable.
5858         (rename_variables_from_edge, rename_phis_end_scop): New.
5859         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5860         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5861         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5862         compute_cloog_iv_types): New.
5863         (gloog): Call compute_cloog_iv_types before starting the
5864         translation of the clast.
5865
5866         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5867         (GBB_CLOOG_IV_TYPES): New.
5868         (debug_ivtype_map): Declared.
5869         (oldiv_for_loop): New.
5870
5871 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5872
5873         PR middle-end/38459
5874         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5875         (param_index): Assert if parameter is not know after parameter
5876         detection.
5877         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5878         (find_scop_parameters): Mark, that we have finished parameter
5879         detection.
5880         (graphite_transform_loops): Move condition detection before parameter
5881         detection.
5882         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5883         * gfortran.dg/graphite/pr38459.f90: New.
5884
5885 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5886
5887         * graphite.c (graphite_transform_loops): Always call find_transform ()
5888         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5889         generate code.
5890
5891 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5892
5893         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5894         (print_scop): Ditto.
5895
5896 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5897
5898         PR middle-end/38084
5899         Fix gfortran.dg/graphite/id-3.f90.
5900         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5901         regions more than once.
5902
5903 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5904
5905         Fix gfortran.dg/graphite/id-4.f90.
5906         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5907         when not needed.
5908
5909 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5910
5911         Fix gfortran.dg/graphite/id-1.f90.
5912         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5913         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5914         (max_precision_type): New.
5915         (value_clast): Removed.
5916         (clast_to_gcc_expression): Be more careful to types of expressions.
5917         Use max_precision_type and update use of gmp_cst_to_tree.
5918         (graphite_translate_clast_equation): Use max_precision_type.
5919         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5920         use the type of the condition.
5921         (graphite_create_new_loop): Do not use integer_type_node, use the
5922         max_precision_type of lb and ub.
5923
5924 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5925
5926         * graphite.c (build_scops_1): Initialize open_scop.exit
5927         and sinfo.last.
5928
5929 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5930
5931         * gcc.dg/graphite/pr38084.c: New.
5932         * gfortran.dg/graphite/id-1.f90: New.
5933         * gfortran.dg/graphite/id-2.f90: New.
5934         * gfortran.dg/graphite/id-3.f90: New.
5935         * gfortran.dg/graphite/id-4.f90: New.
5936         * gfortran.dg/graphite/pr37857.f90: New.
5937
5938 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5939             Jan Sjodin  <jan.sjodin@amd.com>
5940             Harsha Jagasia  <harsha.jagasia@amd.com>
5941
5942         PR middle-end/37852
5943         PR middle-end/37883
5944         PR middle-end/37928
5945         PR middle-end/37980
5946         PR middle-end/38038
5947         PR middle-end/38039
5948         PR middle-end/38073
5949         PR middle-end/38083
5950         PR middle-end/38125
5951
5952         * gcc.dg/graphite/pr38073.c: New.
5953         * gcc.dg/graphite/pr37928.c: New.
5954         * gcc.dg/graphite/pr37883.c: New.
5955         * gcc.dg/graphite/pr38125.c: New.
5956         * gfortran.dg/graphite/pr38083.f90: New.
5957         * gfortran.dg/graphite/pr37852.f90: New.
5958         * gfortran.dg/graphite/pr37980.f90: New.
5959
5960         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5961         the number of detected scops.  Copy exact same test for loop
5962         blocking...
5963         * gcc.dg/graphite/block-1.c: Fix the number of expected
5964         loops to be blocked as reductions are not handled.
5965         * gcc.dg/graphite/block-4.c: ...here.  New.
5966
5967         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5968         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5969         ...here.
5970         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5971         * Makefile.in (graphite.o): Depend on value-prof.h.
5972         (graphite.o-warn): Removed -Wno-error.
5973         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5974         to be a NULL pointer.  Call update_stmt.  Return the newly created
5975         cannonical induction variable.
5976
5977         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5978
5979         * graphite.c: Reimplement the code generation from graphite to gimple.
5980         Include value-prof.h.
5981         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5982         (get_old_iv_from_ssa_name): Removed.
5983         (graphite_stmt_p): New.
5984         (new_graphite_bb): Test for useful statements before building a
5985         graphite statement for the basic block.
5986         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5987         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5988         reason.
5989         (recompute_all_dominators, graphite_verify,
5990         nb_reductions_in_loop, graphite_loop_normal_form): New.
5991         (scop_record_loop): Call graphite_loop_normal_form.
5992         (build_scop_loop_nests): Iterate over all the blocks of the
5993         function instead of relying on the incomplete information from
5994         SCOP_BBS.  Return the success of the operation.
5995         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5996         (add_bb_domains): Removed.
5997         (build_loop_iteration_domains): Don't call add_bb_domains.
5998         Add the iteration domain only to the basic blocks that have been
5999         translated to graphite.
6000         (build_scop_conditions_1): Add constraints only if the basic
6001         block have been translated to graphite.
6002         (build_scop_data_accesses): Completely disabled until data
6003         dependence is correctly implemented.
6004         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6005         (remove_all_edges_1, remove_all_edges): Removed.
6006         (get_new_name_from_old_name): New.
6007         (graphite_rename_variables_in_stmt): Renamed
6008         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6009         Use replace_exp and update_stmt.
6010         (is_old_iv): Renamed is_iv.
6011         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6012         Use replace_exp and update_stmt.
6013         (expand_scalar_variables_expr): Same.  Use the map to get the
6014         new names for the renaming of induction variables and for the
6015         renaming of variables after a basic block has been copied.
6016         (expand_scalar_variables): Same.
6017         (graphite_rename_variables): Renamed rename_variables.
6018         (move_phi_nodes): Removed.
6019         (get_false_edge_from_guard_bb): New.
6020         (build_iv_mapping): Do not insert the induction variable of a
6021         loop in the renaming iv map if the basic block does not belong
6022         to that loop.
6023         (register_old_new_names, graphite_copy_stmts_from_block,
6024         copy_bb_and_scalar_dependences): New.
6025         (translate_clast): Heavily reimplemented: copy basic blocks,
6026         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6027         At each translation step call graphite_verify ensuring the
6028         consistency of the SSA, loops and dominators information.
6029         (collect_virtual_phis, find_vdef_for_var_in_bb,
6030         find_vdef_for_var_1, find_vdef_for_var,
6031         patch_phis_for_virtual_defs): Removed huge hack.
6032         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6033         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6034         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6035         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6036         if_region_get_condition_block, if_region_set_false_region,
6037         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6038         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6039         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6040         rewrite_into_sese_closed_ssa): New.
6041         (gloog): Remove dead code.  Early return if code cannot be
6042         generated.  Call cleanup_tree_cfg once the scop has been code
6043         generated.
6044         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6045         block loops with less than two loops.
6046         (graphite_apply_transformations): Remove the call to
6047         scop_remove_ignoreable_gbbs.
6048         (limit_scops): When build_scop_loop_nests fails, continue on
6049         the next scop.  Fix open_scop.entry.
6050         (graphite_transform_loops): Call recompute_all_dominators: force the
6051         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6052         Call initialize_original_copy_tables and free_original_copy_tables
6053         to be able to copy basic blocks during code generation.
6054         When build_scop_loop_nests fails, continue on next scop.
6055         (value_clast): New union.
6056         (clast_to_gcc_expression): Fix type cast warning.
6057
6058 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6059
6060         * Merge from mainline (r140838:141727).
6061
6062 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6063
6064         PR middle-end/37833
6065
6066         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6067
6068 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6069
6070         PR middle-end/37943
6071
6072         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6073         exits and conditions.
6074         * gcc.dg/graphite/pr37943.c: New.
6075
6076 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6077
6078         PR middle-end/37886
6079         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6080
6081 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6082
6083         * doc/invoke.texi: Fix spaces.
6084
6085 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6086
6087         PR tree-optimization/37891
6088         Reverted last commit.
6089         * graphite.c (create_single_entry_edge): Set
6090         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6091
6092 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6093             Mitul Thakkar  <mitul.thakkar@amd.com>
6094
6095         * graphite.c (create_single_entry_edge): Set
6096         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6097
6098 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6099
6100         * doc/invoke.texi: Add -fgraphite-identity.
6101         * graphite.c (graphite_apply_transformations): Check for
6102         -fgraphite-identity.
6103         * toplev.c (process_options): Add flag_graphite_identity.
6104         * tree-ssa-loop.c: Add flag_graphite_identity.
6105
6106 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6107
6108         Undo changes from 2008-10-02:
6109         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6110         operand type when copying the operand to a variable of different type.
6111         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6112         with the IV name after increment.
6113
6114 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6115             Harsha Jagasia  <harsha.jagasia@amd.com>
6116
6117         PR tree-optimization/37828
6118         * gcc.dg/graphite/pr37828.c: New.
6119         * graphite.c (graphite_trans_loop_block): Do not loop block
6120         single nested loops.
6121
6122 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6123             Sebastian Pop  <sebastian.pop@amd.com>
6124
6125         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6126         rename_map_elt_info, eq_rename_map_elts): New.
6127         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6128         (expand_scalar_variables_expr): Change parameters.
6129         (expand_scalar_variables_stmt): Same.
6130         (expand_scalar_variables): Same.
6131         (graphite_rename_ivs): Rename graphite_rename_variables.
6132         (build_iv_mapping): New.
6133         (translate_clast): Call build_iv_mapping.
6134         * graphite.h (gbb_p): New name.
6135
6136 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6137
6138         PR tree-optimization/37684
6139         * gcc.dg/graphite/pr37684.c: New.
6140         * graphite.c (exclude_component_ref): New.
6141         (is_simple_operand): Call exclude_component_ref.
6142
6143 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6144             Harsha Jagasia  <harsha.jagasia@amd.com>
6145
6146         PR tree-optimization/37485
6147         * gcc.dg/graphite/block-2.c: New
6148         * graphite.c (gmp_cst_to_tree): Moved.
6149         (iv_stack_entry_is_constant): New.
6150         (iv_stack_entry_is_iv): New.
6151         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6152         (loop_iv_stack_insert_constant): New.
6153         (loop_iv_stack_pop): Use new datatpype.
6154         (loop_iv_stack_get_iv): Same.
6155         (loop_iv_stack_get_iv_from_name): Same.
6156         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6157         (loop_iv_stack_patch_for_consts): New.
6158         (loop_iv_stack_remove_constants): New.
6159         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6160         (translate_clast): Call loop_iv_stack_patch_for_consts and
6161         loop_iv_stack_remove_constants.
6162         (gloog): Use new datatype.  Redirect construction edge to end
6163         block to avoid accidental deletion.
6164         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6165         iv stack entry.
6166         (union iv_stack_entry_data): New.  Data in iv stack entry.
6167         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6168
6169 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6170
6171         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6172         operand type when copying the operand to a variable of different type.
6173
6174 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6175
6176         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6177         with the IV name after increment.
6178
6179 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6180
6181         * Merge from mainline (r140164:140838).
6182
6183 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6184
6185         * graphite-data-ref.c: New.
6186         * graphite.c (print_scop): Also dump the dependence graph.
6187         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6188         (new_scop): Initialize SCOP_DEP_GRAPH.
6189         (build_scop_dynamic_schedules): New.
6190         (build_access_matrix_with_af): Fixed column numbering.
6191         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6192         * graphite.h: Add ifndef/define guards against multiple inclusion.
6193         (struct scop): Add dep_graph field.
6194         (SCOP_DEP_GRAPH): Defined.
6195         (ref_nb_loops): Fixed and moved to other position.
6196         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6197         (nb_loops_around_loop_in_scop): New.
6198         (graphite_dump_dependence_graph): Declared.
6199         (graphite_build_rdg_all_levels): Declared.
6200         (graphite_test_dependence): Declared.
6201         * Makefile.in (graphite-data-ref.o): New target.
6202
6203 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6204
6205         * Merge from mainline (139870:140164).
6206
6207 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6208
6209         * Merge from mainline (138275:139870).
6210         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6211         the commits from trunk broke the niter detection.
6212
6213 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6214
6215         * graphite.c: Add more documentation.  Fix formatting.
6216         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6217         loop_iv_stack_debug): Moved...
6218         (schedule_to_scattering): Move before use.
6219         (dot_all_scops): Include in "#if 0" the code for system
6220         call dotty.
6221
6222         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6223         loop_iv_stack_debug): ...here.
6224
6225 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6226
6227         * tree-phinodes.c (make_phi_node): Extern.
6228         (add_phi_node_to_bb): New.
6229         (create_phi_node): Call add_phi_node_to_bb.
6230         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6231         (remove_statement): Handle case where stored phi was updated
6232         and is no longer the same.
6233         * graphite.c (is_parameter): New.
6234         (is_old_iv): New.
6235         (expand_scalar_variables_expr): New.
6236         (expand_scalar_variables_stmt): New.
6237         (expand_scalar_variables): New.
6238         (move_phi_nodes): Create new phi instead of moving old one.
6239         (translate_clast): Call expand_scalar_variables.
6240         (find_vdef_for_var_in_bb): Also scan regular definitions.
6241         (skip_phi_defs): New.
6242         (collect_scop_exit_phi_args): New.
6243         (patch_scop_exit_phi_args): New.
6244         (gloog): Patch phis after scop.
6245         * tree-flow.h: (add_phi_node_to_bb): Declared.
6246         (make_phi_node): Declared.
6247
6248 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6249
6250         * graphite.c (end_scop): Split the entry of the scop when it
6251         is the header of the loop in which the scop is ending.
6252         (build_scops_1, limit_scops): Update uses of end_scop.
6253
6254 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6255
6256         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6257         SCOP_ENTRY or SCOP_EXIT.
6258
6259 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6260
6261         * graphite.c (get_construction_edge): Removed.
6262         (gloog): Construction edge is the scop entry edge.
6263
6264 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6265
6266         * graphite.c (can_generate_for_scop): Removed.
6267         (gloog): Do not call it.
6268
6269 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6270
6271         * graphite.c (new_scop): Entry of a scop is an edge.
6272         Initialize SESE region.
6273         (free_scop): Free SESE region.
6274         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6275         (split_difficult_bb): New, split from end_scop.
6276         (end_scop): Exit of a scop is an edge.
6277         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6278         not automatically updated and thus is always wrong.
6279         * graphite.h (struct sese): New.
6280         (SESE_ENTRY): New.
6281         (SESE_EXIT): New.
6282         (struct scop): New field for a SESE region.  Remove entry, exit.
6283         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6284         semantics as before.  Moved comment around.
6285
6286 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6287             Sebastian Pop  <sebastian.pop@amd.com>
6288
6289         * graphite.c (graphite_transform_loops): Always enable gloog
6290         and find_transform when ENABLE_CHECKING.
6291
6292 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6293
6294         * graphite.c (graphite_transform_loops): Move pretty printer
6295         of SCOPs before doing any transform.  Remove call to print_scops
6296         and dot_all_scops_1.
6297
6298 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6299
6300         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6301         (print_graphite_bb): Same.
6302
6303 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6304
6305         * graphite.c (dot_all_scops_1): Cleanup.
6306         (move_scops): Fix comment.
6307
6308 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6309
6310         * graphite.c (build_scop_bbs): Revert commit 139355:
6311
6312         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6313                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6314
6315                 * graphite.c (build_scop_bbs): Factor up code.
6316
6317 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6318
6319         * graphite.c (gloog): Update dominator info.
6320
6321 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6322
6323         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6324
6325 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6326
6327         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6328         initialization.
6329         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6330         (translate_clast): Correct formatting.
6331         * graphite.h (struct num_map): Removed.
6332         (struct graphite_bb): Remove num_map field.
6333         (GBB_INDEX_TO_NUM_MAP): Removed.
6334
6335 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6336
6337         * graphite.c (build_access_matrix_with_af): Fix comments.
6338         (build_scop_data_accesses): Same.
6339
6340 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6341
6342         * graphite.c (build_scop_data_accesses): Don't construct
6343         access matrices.  Add a FIXME and an assert condition that
6344         should pass when the access matrices will be needed.
6345
6346 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6347
6348         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6349         really_constant_p.
6350         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6351         Moved close by free_graphite_bb.
6352         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6353         (new_scop): Move close by free_scop.
6354         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6355
6356 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6357
6358         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6359         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6360         instead of recursive call.
6361         (graphite_translate_clast_equation): New.
6362         (graphite_create_guard_cond_expr): New.
6363         (graphite_create_new_guard): New.
6364         (get_stack_index_from_iv): Removed.
6365         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6366         (get_true_edge_from_guard_bb): New.
6367         (translate_clast): Handle stmt_guard in clast.
6368         (get_construction_edge): Allow construction edge detection for
6369         a scope entry with multiple predecessors if one predecessor is
6370         the immediate dominator of scope entry.
6371         (can_generate_code_stmt): Enable code generation for clast_guard.
6372         (gloog): Use correct context loop.  Removed check for post dominators.
6373         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6374
6375 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6376
6377         * graphite.c (remove_dead_loops): Document better which
6378         loops are removed.
6379
6380 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6381
6382         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6383         and PPLINC.
6384         (graphite.o): Also depends on pointer-set.h.
6385
6386 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6387
6388         * graphite.c (scop_record_loop): Fix compile warning.
6389
6390 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6391             Sebastian Pop  <sebastian.pop@amd.com>
6392
6393         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6394
6395 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6396
6397         * graphite.c (build_graphite_bb): Initialize bb->aux to
6398         point to the graphite_bb_p.
6399         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6400         content of bb->aux.
6401         (add_bb_domains): Does not use the scop parameter.
6402         (graphite_transform_loops): Clean bb->aux at the end.
6403
6404 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6405             Sebastian Pop  <sebastian.pop@amd.com>
6406
6407         * lib/target-supports.exp
6408         (check_effective_target_fgraphite): New.
6409
6410         * gcc.dg/graphite/graphite.exp: Early exit when
6411         check_effective_target_fgraphite returns false.
6412         Set dg-do-what-default to compile.
6413         (scan-graphite-dump-times): Removed.
6414         * gfortran.dg/graphite/graphite.exp: Same.
6415
6416         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6417         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6418         * gcc.dg/graphite/scop-1.c: Same.
6419         * gcc.dg/graphite/scop-2.c: Same.
6420         * gcc.dg/graphite/scop-3.c: Same.
6421         * gcc.dg/graphite/scop-4.c: Same.
6422         * gcc.dg/graphite/scop-5.c: Same.
6423         * gcc.dg/graphite/scop-6.c: Same.
6424         * gcc.dg/graphite/scop-7.c: Same.
6425         * gcc.dg/graphite/scop-8.c: Same.
6426         * gcc.dg/graphite/scop-9.c: Same.
6427         * gcc.dg/graphite/scop-10.c: Same.
6428         * gcc.dg/graphite/scop-11.c: Same.
6429         * gcc.dg/graphite/scop-12.c: Same.
6430         * gcc.dg/graphite/scop-13.c: Same.
6431         * gcc.dg/graphite/scop-matmult.c: Same.
6432         * gcc.dg/graphite/scop-14.c: Same.
6433         * gcc.dg/graphite/scop-15.c: Same.
6434         * gcc.dg/graphite/block-0.c: Same.
6435         * gcc.dg/graphite/scop-16.c: Same.
6436         * gcc.dg/graphite/block-1.c: Same.
6437         * gcc.dg/graphite/scop-17.c: Same.
6438         * gcc.dg/graphite/scop-18.c: Same.
6439         * gfortran.dg/graphite/block-1.f90: Same.
6440         * gfortran.dg/graphite/scop-1.f: Same.
6441         * gfortran.dg/graphite/block-2.f: Same.
6442
6443 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6444
6445         * graphite.c: Fix some XXX comments.
6446         (build_scop_dynamic_schedules): Removed.
6447
6448 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6449
6450         * graphite.h (scop_max_loop_depth): Moved...
6451         * graphite.c (scop_max_loop_depth): ...here.
6452         (remove_all_edges_1): New.
6453         (remove_all_edges): Factored code.
6454         (remove_cond_exprs): Check only the last statement for
6455         a GIMPLE_COND expression.
6456
6457 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6458
6459         * graphite.c (scan_tree_for_params): Early return when the
6460         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6461         (find_scop_parameters): Factor out code.
6462         (graphite_trans_bb_strip_mine): Remove dead code.
6463
6464 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6465
6466         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6467         graphite_trans_bb_move_loop): Factor asserts.
6468         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6469         Do not call calculate_dominance_info and estimate_bb_frequencies.
6470
6471 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6472
6473         * graphite.c (create_loops_mapping, free_loops_mapping,
6474         create_loops_mapping_num, debug_loop_mapping_1,
6475         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6476         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6477         graphite_loops_mapping_add_child_num,
6478         graphite_loops_mapping_insert_child,
6479         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6480         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6481         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6482         create_num_from_index, get_num_from_index,
6483         swap_loop_mapped_depth): Removed.
6484         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6485         (free_scop): Do not call free_loops_mapping.
6486         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6487         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6488         get_loop_mapped_depth.
6489         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6490         (graphite_trans_bb_strip_mine): Same.
6491         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6492         (struct scop): Remove field loops_mapping.
6493
6494 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6495             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6496
6497         * graphite.c (scop_record_loop): Factor out one level of the
6498         condition by early return.
6499         (build_scop_loop_nests): Format following FSF coding style.
6500         (build_scop_dynamic_schedules): Factor out code.
6501         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6502
6503 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6504             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6505
6506         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6507         assignments that are not handled as simple operands for now.
6508
6509 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6510             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6511
6512         * graphite.c (build_scop_bbs): Factor up code.
6513
6514 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6515             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6516
6517         * graphite.c (stmt_simple_for_scop_p): Factor code out
6518         of the loop.
6519         (enum gbb_type): New.  Group all the GBB_* types under it.
6520         (is_loop_exit): Moved...
6521         (end_scop): Enable BB spliting.
6522         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6523         * cfgloop.h (is_loop_exit): Declared.
6524
6525 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6526
6527         * doc/invoke.texi: Remove strides from examples containing
6528         DO loops when the strides are equal to 1.
6529
6530 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6531             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6532
6533         * graphite.c (graphite_trans_scop_block): Or the result with
6534         the result from graphite_trans_loop_block.
6535         * gcc.dg/graphite/block-1.c: New.
6536         * gfortran.dg/graphite/block-1.f90: New.
6537         * gfortran.dg/graphite/block-2.f: New.
6538
6539 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6540
6541         * graphite.c (graphite_transform_loops): Call cloog_initialize
6542         and cloog_finalize.
6543
6544 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6545
6546         * tree-data-ref.c) (stmt_simple_memref_p): New.
6547         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6548         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6549         (is_simple_operand): Call stmt_simple_memref_p.
6550
6551         * gcc.dg/graphite/scop-matmult.c: Updated for not
6552         using pointer arithmetic, as this is optimized by PRE and
6553         makes the code too difficult to analyze.
6554
6555         * gcc.dg/graphite/scop-18.c: Same.
6556
6557 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6558
6559         * gdbinit.in (pgg): New.
6560
6561 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6562
6563         * graphite.c (graphite_trans_loop_block): Fix warning.
6564
6565 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6566
6567         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6568
6569 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6570
6571         * graphite.c (graphite_trans_bb_block): Remove check for
6572         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6573         Check if loop blocking is profitable for every loop, before applying
6574         the changes.
6575         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6576         if flag_loop_block is set.
6577
6578 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6579
6580         * graphite.c: Add some more documentation for the loop
6581         mapping.
6582
6583 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6584
6585         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6586         * graphite.c: Format on less than 80 columns.
6587         * graphite.h: Same.
6588
6589 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6590
6591         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6592
6593 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6594
6595         * doc/invoke.texi (floop-block, floop-strip-mine,
6596         floop-interchange): Update documentation with examples.
6597
6598 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6599
6600         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6601         add_referenced_var.
6602         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6603
6604 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6605
6606         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6607         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6608         * tree-scalar-evolution.c: Revert useless changes.
6609         * tree-phinodes.c: Same.
6610         * cfghooks.c: Same.
6611         * vec.h: Same.
6612         * tree-vectorizer.h: Same.
6613         * tree-flow.h: Same.
6614         * tree-cfg.c: Same.
6615         * common.opt (fgraphite): Update documentation.
6616
6617 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6618
6619         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6620         -floop-interchange): Add more text for explaining what each of these
6621         flags is doing.
6622         * tree-into-ssa.c (gimple_vec): Moved to...
6623         * graphite.c: Include gimple.h.
6624         (gimple_vec): Moved to...
6625         (del_loop_to_cloog_loop): Removed.
6626         (loop_affine_expr): Do not call create_data_ref when the
6627         operand is a constant.
6628         (new_scop): Use free instead of del_loop_to_cloog_loop.
6629         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6630         * gimple.h (gimple_vec): ... here.
6631
6632 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6633
6634         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6635         latch executions.
6636         (build_loop_iteration_domains): Fail, if latch executions unknown.
6637
6638 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6639
6640         * graphite.c (add_conditions_to_domain): New.
6641         (build_scop_conditions_1): Call add_conditions_to_domain.
6642         (set_cloog_options): Allow to disable optimizations.
6643
6644 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6645
6646         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6647         Do not use walk_dominator_tree.
6648         (find_scop_parameters): Do not use walk_dominator_tree.
6649
6650 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6651
6652         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6653         (idx_record_params): Adapt.
6654         * graphite.h (scop_gimple_loop_depth): New.
6655
6656 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6657
6658         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6659         (scan_tree_for_params): Remove value_init.
6660         (build_scop_context): Remove value_init.
6661         (build_loop_iteration_domains): Remove value_init.
6662         (schedule_to_scattering): Remove value_init.
6663         (graphite_trans_bb_strip_mine): Remove value_init.
6664
6665 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6666
6667         * gcc/graphite.c (limit_scops): New.
6668         (graphite_transform_loops): Add limit SCoPs.
6669         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6670         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6671         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6672         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6673         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6674         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6675         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6676         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6677         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6678         Change loop numbers.
6679         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6680         Change loop numbers.
6681         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6682         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6683         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6684         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6685         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6686         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6687         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6688         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6689         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6690         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6691
6692 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6693
6694         * graphite.c (graphite_transform_loops): Call always find_transform.
6695
6696 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6697
6698         * graphite.c (free_loops_mapping): New.
6699         (stmt_simple_for_scop_p): Fix typo.
6700         (stmt_simple_for_scop_p): Fix tuples functions, that
6701         broke polyhedron.
6702         (free_graphite_bb): Fix some memleaks.
6703         (free_scop): Fix some memleaks.
6704         (scopdet_bb_info): Do not forget some tmp SCoPs.
6705         (find_params_in_bb): Fix some memleaks.
6706         (clast_to_gcc_expression): Fix warning.
6707
6708 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6709
6710         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6711         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6712
6713 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6714
6715         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6716         Move code ifdef-ed HAVE_cloog...
6717         * graphite.c: Include toplev.h.
6718         ... here.
6719         * Makefile.in (OBJS-common): Always build graphite.o.
6720         (BACKEND): Remove @GRAPHITE@.
6721         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6722         (graphite.o): Depend on TOPLEV_H.
6723
6724 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6725
6726         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6727         Remove typo left from polylib to ppl conversion.
6728         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6729
6730 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6731
6732         * toplev.c (process_options): Move the graphite loop optimization
6733         flags...
6734         * tree-ssa-loop.c (graphite_transforms): ... here.
6735         When not configured with CLooG, print to dump_file that
6736         Graphite transforms were not performed.
6737         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6738         New.
6739         * gcc.dg/graphite/*.c: Updated all testcases to use
6740         scan-graphite-dump-times.
6741
6742 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6743
6744         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6745         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6746
6747 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6748             Jan Sjodin  <jan.sjodin@amd.com>
6749
6750         * configure: Regenerated.
6751         * omp-low.c (expand_omp_sections): Remove now unused code.
6752         * config.in (HAVE_polylib): Removed.
6753         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6754         (PPLLIBS, PPLINC): Added.
6755         * graphite.c: Replace unsigned with int wherever possible.
6756         Don't access Cloog's data structures, but use accessor functions.
6757         Clast's stmt->type is now implemented as a vtable: change the
6758         switches of stmt->type into ifs.
6759         (polylib/polylibgmp.h): Don't include.
6760         (initialize_dependence_polyhedron,
6761         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6762         statement_precedes_p, test_dependence, build_rdg_all_levels,
6763         dump_dependence_graph): Removed until this code is cleaned up
6764         or ported to Cloog.
6765         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6766         (POLYLIBINC): Renamed PPLINC.
6767
6768 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6769             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6770             Jan Sjodin  <jan.sjodin@amd.com>
6771
6772         Finish the merge and tuplification of graphite.
6773
6774 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6775             Jan Sjodin  <jan.sjodin@amd.com>
6776
6777         Partial merge from mainline (138072:138275).
6778         * graphite.c still has to be tuplified.
6779
6780 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6781
6782         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6783         (create_num_from_index): New.
6784         (get_num_from_index): Also pass in the graphite BB.
6785         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6786         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6787         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6788         (is_interchange_valid): Return false when failing.
6789         * graphite.h (struct num_map): New.
6790         (struct graphite_bb): New field num_map.
6791         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6792
6793 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6794
6795         * graphite.c (dump_gbb_conditions): Print also conditions like
6796         "if (a)".  Remove dublicated code and use print_generic_expr ().
6797         (stmt_simple_for_scop_p): Only allow conditions we can handle
6798         {<, <=, >, >=}.
6799
6800 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6801
6802         * graphite.h (struct scop): Removed new_ivs field.
6803         (SCOP_NEWIVS): Deleted.
6804         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6805         clast_to_gcc_expression, graphite_create_new_loop):
6806         Removed use of new_ivs.
6807
6808 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6809
6810         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6811         create_loops_mapping_num, debug_loop_mapping_1): New.
6812         (debug_loop_mapping): Call debug_loop_mapping_1.
6813         (get_loop_mapping_for_num,
6814         graphite_loops_mapping_add_child,
6815         graphite_loops_mapping_add_child_num,
6816         graphite_loops_mapping_insert_child,
6817         graphite_loops_mapping_parent,
6818         split_loop_mapped_depth_for_num,
6819         loop_mapped_depth_split_loop): New.
6820         (increment_loop_mapped_depths): Removed.
6821         (swap_loop_mapped_depth_for_num): Reimplemented.
6822         (new_scop): Call create_loops_mapping.
6823         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6824         (translate_clast): Pass the old loop father in parameter, and pass
6825         it to get_old_iv_from_ssa_name.
6826         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6827         can_generate_code, can_generate_for_scop): New.
6828         (graphite_trans_bb_block): Returns false when it fails to transform.
6829         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6830
6831 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6832
6833         Reverted all the changes related to the streamization and
6834         loop fusion.
6835         These changes are now tracked in the streamization branch.
6836
6837 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6838             Jan Sjodin  <jan.sjodin@amd.com>
6839
6840         * graphite.c (gbb_compare): Correctly constify.
6841         (gbb_can_be_ignored): Indent.
6842         (graphite_trans_scop_swap_1and2): Add legality check.
6843         Remove dead FIXMEs.
6844
6845 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6846
6847         Remove fallouts from "Reverted the Condate changes".
6848         * tree.h: Remove unused decl.
6849         * gcc.dg/tree-checker: Same.
6850         * timevar.def: Remove counter.
6851
6852 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6853
6854         * Merge from mainline (135673:138072).
6855
6856         Reverted the MIRO changes (from 2008-04-05) that are now
6857         tracked in the miro branch.
6858         * tree-bounds.c: Removed.
6859         * tree-bounds.h: Removed.
6860
6861         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6862         are now tracked in the condate branch.
6863         * tree-check.c: Removed.
6864         * tree-match.c: Removed.
6865         * condate.y: Removed.
6866
6867 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6868
6869         * common.opt: New user flag -floop-block, -floop-strip-mine
6870         and -floop-interchange.
6871         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6872         graphite loop optimization flags is turned on.
6873         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6874         flag_loop_strip_mine and flag_loop_interchange checks before
6875         optimizations.
6876         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6877         -floop-strip-mine and -floop-interchange.
6878         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6879         -fgraphite.
6880         * gcc.dg/graphite/scop-16.c: Ditto.
6881         * gcc.dg/graphite/scop-17.c: Ditto.
6882         * gcc.dg/graphite/scop-18.c: Ditto.
6883
6884 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6885             Sebastian Pop  <sebastian.pop@amd.com>
6886
6887         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6888         (create_empty_loop_on_edge): More fixes.
6889         * tree-phinodes.c (resize_phi_node): Extern.
6890         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6891         * cfghooks.c (update_dominator_information): New split from
6892         split_edge.
6893         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6894         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6895         successor of the function entry block.
6896
6897         * graphite.c: Include pointer-set.h.
6898         (debug_loop_mapping, increment_loop_mapped_depths,
6899         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6900         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6901         swap_loop_mapped_depth_for_num, get_num_from_index,
6902         swap_loop_mapped_depth, loop_iv_stack_debug,
6903         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6904         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6905         get_old_iv_from_ssa_name): New.
6906         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6907         (free_scop): Free SCOP_LOOPS_MAPPING.
6908         (scop_record_loop): Record old ivs.
6909         (create_var_name): Removed.
6910         (initialize_cloog_names): Allocate double space in case strip mine
6911         applies to all loops once.
6912         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6913         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6914         translation.
6915         (graphite_create_new_loop): Pass in ivstack.
6916         (remove_all_edges): Pass in the construction_edge.
6917         (graphite_remove_iv): Removed.
6918         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6919         remove_cond_exprs): Rewritten.
6920         (move_phi_nodes): New.
6921         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6922         (translate_clast): Pass in ivstack.  Rewrite some cases.
6923         (set_cloog_options, debug_clast_stmt): New.
6924         (find_transform): Use set_cloog_options.
6925         (outermost_loop_layer): Removed.
6926         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6927         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6928         mark_old_loops, remove_dead_loops): New.
6929         (gloog): Rewritten.
6930         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6931         (const_column_index, get_first_matching_sign_row_index,
6932         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6933         get_upper_bound): New.
6934         (graphite_trans_bb_strip_mine): Also update the iv map.
6935
6936         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6937         (struct name_tree): Add a loop field.
6938         (struct scop): Add a graphite_loops_mapping field.
6939         (SCOP_LOOPS_MAPPING): New.
6940         (debug_clast_stmt): Declare.
6941         * lambda.h (find_induction_var_from_exit_cond): Declare.
6942         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6943         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6944         (create_empty_loop_on_edge): Updated.
6945         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6946         rename_variables_in_bb): Declare.
6947         * tree-cfg.c (remove_bb): Extern.
6948
6949         * gcc.dg/graphite/block-0.c: New.
6950
6951 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6952             Sebastian Pop  <sebastian.pop@amd.com>
6953
6954         * graphite.c (strip_mine_profitable_p): New.
6955         (graphite_trans_bb_block): Disable strip mining if not profitable.
6956
6957         * gcc.dg/graphite/scop-18.c: New.
6958         * gcc.dg/graphite/scop-17.c: Fixed.
6959         * gcc.dg/graphite/scop-16.c: Fixed.
6960
6961 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6962             Jan Sjodin  <jan.sjodin@amd.com>
6963             Sebastian Pop  <sebastian.pop@amd.com>
6964
6965         * graphite.c (is_interchange_valid): New.
6966         (graphite_trans_bb_block): Check loop nest of basic block for legality
6967         of interchange.
6968
6969         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6970         outer_most_loop, gbb_outer_most_loop_index): New.
6971
6972         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6973         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6974         * gcc.dg/graphite/scop-16.c: New.
6975         * gcc.dg/graphite/scop-17.c: New.
6976
6977 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6978
6979         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6980         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6981
6982 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6983
6984         * graphite.c (new_scop): Initialize SCOP_EXIT.
6985         (scopdet_info): Add.
6986         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6987         (build_scops_1): Cleanup, bugfixes.
6988         (build_scops): Cleanup.
6989
6990         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6991         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6992
6993 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6994
6995         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6996
6997         * gfortran.dg/graphite/graphite.exp: Use
6998         DEFAULT_GRAPHITE_FLAGS.
6999
7000         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7001
7002 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7003
7004         * graphite.c (scan_tree_for_params): Do not assert any more if
7005         MULT_EXPR parameter is negative.
7006
7007         * gfortran.dg/graphite/scop-1.f: New.
7008
7009         * gfortran.dg/graphite/graphite.exp: New.
7010
7011         * gcc.dg/graphite/scop-15.c: New.
7012
7013 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7014
7015         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7016
7017 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7018
7019         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7020         graphite_swap_loops.
7021         (graphite_trans_bb_move_loop): New.
7022         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7023         (graphite_trans_bb_block): New.
7024         (graphite_trans_loop_block): New.
7025         (graphite_trans_scop_swap_1and2): Rename from
7026         graphite_trans_swap_1and2.
7027         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7028         (graphite_trans_scop_block): New.
7029         (graphite_apply_transformations): Rename from
7030         graphite_transformations.
7031
7032         * gcc.dg/graphite/scop-matmult.c: New.
7033
7034 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7035
7036         * graphite.c (gbb_compare): New.
7037         (graphite_sort_gbbs): New.
7038         (gbb_can_be_ignored): New.
7039         (scop_remove_ignoreable_gbbs): New.
7040         (graphite_transformations): Cleanup and add
7041         scop_remove_ignoreable_gbbs.
7042         * lambda.h (lambda_vector_compare): New.
7043
7044 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7045
7046         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7047         (graphite_swap_loops): int -> unsigned
7048         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7049         (graphite_transformations): New.
7050         (graphite_transform_loops): Move to graphite_transformations.
7051         * graphite.h (gbb_nb_loops): Return unsigned.
7052
7053 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7054
7055         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7056         the domain matrix.  This makes scop-0.c work again.
7057
7058 2008-06-20  Richard Guenther  <rguenther@suse.de>
7059
7060         * graphite.h: Adjust copyright to GPLv3.
7061         * graphite.c: Likewise.
7062         (stmt_simple_memref_for_scop_p): Split out from ...
7063         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7064         and simplify.
7065         (get_bb_type): Optimize.
7066         (is_pred): Remove.
7067         (is_bb_addable): Fix memleak, replace is_pred call with
7068         single_pred.
7069         (build_scops): Use current_loops.
7070         (param_index): Fix memleak.
7071
7072 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7073
7074         * graphite.c: Fix formatting.
7075
7076 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7077
7078         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7079         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7080         (create_var_name, save_var_name): Newly defined functions.
7081         (initialize_cloog_names): Part of the code factored out to
7082         save_var_name.
7083         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7084         in clast_reduction statement.
7085         (graphite_create_new_loop): Now takes a new parameter
7086         for outer_loop.
7087         (translate_clast): Now also takes the context_loop and bb_exit
7088         parameters. Rewritten the code so that it creates a gimple code
7089         inside the given context.
7090         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7091         remove_cond_expr, disconnect_cond_expr,
7092         disconnect_virtual_phi_nodes): Newly defined functions.
7093         * graphite.h (struct scop): added old_ivs vector.
7094         SCOP_OLDIVS: New macro.
7095
7096 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7097
7098         * cfgloopmanip.c: Add missing function comments, fix formatting.
7099
7100 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7101
7102         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7103         (create_empty_loop_on_edge): Defined.
7104         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7105         instead of void.
7106         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7107         (update_dominators_in_loop): Declared as extern
7108         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7109
7110 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7111
7112         * graphite.c (print_graphite_bb): Allow changing number of loops
7113         in SCoP domain.
7114         (initialize_cloog_names): Allow changing number of loops.
7115         (build_cloog_prog): Simplify.
7116         (find_transform): Enable cloog option --strides.
7117         (graphite_swap_loops): New.
7118         (graphite_strip_mine_loop): New.
7119         (graphite_trans_swap_1and2): New.
7120         (graphite_trans_strip): New.
7121         (graphite_transform_loops): Add graphite_trans_strip.
7122         * graphite.h (scop_max_loop_depth): New.
7123
7124 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7125
7126         * graphite.c (build_scop_iteration_domain): Remove forgotten
7127         line. (Fixes compile)
7128
7129 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7130
7131         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7132         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7133         (build_bb_loops): New.
7134         (graphite_transform_loops): Add build_bb_loops.
7135         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7136         numbers.
7137         * graphite.h (graphite_bb): Add loops.
7138         (gbb_nb_loops): New.
7139         (gbb_loop_at_index): New.
7140         (gbb_loop_index): New.
7141         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7142         using nb_params_in_scop.
7143
7144 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7145
7146         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7147         (build_scop_canonical_schedules): Build minimized schedule.
7148         (schedule_to_scattering): Adapt to minimized schedule.
7149         * graphite.h (graphite_bb): Add/Update descriptions.
7150
7151 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7152             Tobias Grosser  <grosser@fim.uni-passau.de>
7153
7154         * graphite.c (print_graphite_bb): Add condition printing.
7155         (dump_value): New.
7156         (dump_gbb_conditions): New.
7157         (build_scop_conditions_1): New.
7158         (build_scop_conditions): New.
7159         * graphite.h (graphite_bb): Add conditions.
7160
7161 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7162
7163         * graphite.c (print_graphite_bb):
7164         (free_graphite_bb): New.
7165         (free_scop): Free bbs.
7166         (get_bb_type): Free doms.
7167         (build_scop_context): Free context matrix.
7168         (build_loop_iteration_domains): Remove unused code.
7169         (build_cloog_prog): Free scattering function and blocklist.
7170         (find_transform): Free options.
7171
7172 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7173
7174         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7175         Remove unnecessery cloog data structures. Make a copy of the domain
7176         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7177         unnecessary cloog data structures. Fix memory leaks. Remove insert
7178         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7179         used.
7180         (build_scop_iteration_domain): Remove unnecessary cloog
7181         data structures.  Fix memory leaks.
7182         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7183         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7184
7185 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7186
7187         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7188
7189 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7190
7191         * graphite.c (end_scop): Style fix.
7192         (schedule_to_scattering): Style and comment fix.
7193
7194 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7195         * graphite.c (print_graphite_bb): Fix definiton of
7196         schedule_to_scattering.
7197         (initialize_cloog_names): Change nb_scattdims to max loop
7198         depth in SCoP.
7199         (schedule_to_scattering): Take parameter for number of scattering
7200         dimensions.
7201         (build_cloog_prog): Only build as much scattering dimensions as
7202         necessary.
7203
7204 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7205
7206         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7207         in polyhedron/aermod.f90.
7208
7209 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7210             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7211             Harsha Jagasia  <harsha.jagasia@amd.com>
7212
7213         * graphite.c (is_bb_addable): Fix segfault.
7214
7215 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7216
7217         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7218         with multiple exits and conditional handling in edge cases.
7219         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7220
7221         * gcc.dg/graphite/scop-14.c: New.
7222
7223 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7224             Adrien Eliche  <aeliche@isty.uvsq.fr>
7225
7226         * graphite.c (is_bb_addable): Add more comments and enhance
7227         readablity of the source code. Fix memory leak.
7228         (is_loop_exit): Fix memory leak.
7229
7230 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7231
7232         * graphite.c (first_loop_in_scop): Deleted.
7233         (setup_cloog_loop): Only walk the loop chain for inner loops.
7234         (build_scop_iteration_domain): Execute setup_cloog_loop for
7235         all loops in the first layer.
7236
7237 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7238
7239         * graphite.c (scan_tree_for_params): Change the way params are
7240         added to be indepenent of the number of loops.
7241         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7242         handling.
7243         (build_cloog_prog): Revert to short matrix format.
7244
7245 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7246             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7247
7248         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7249         warning.
7250
7251 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7252
7253         * graphite.c (nb_data_refs_in_scop): New.
7254         (graphite_transform_loops): Print more stats: number of
7255         loops, basic blocks and data references per scop.
7256
7257 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7258             Jan Sjodin  <jan.sjodin@amd.com>
7259
7260         * graphite.c (loop_affine_expr, idx_record_params,
7261         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7262         instead of instantiate_parameters.
7263
7264 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7265
7266         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7267         add support for parameters, add STATIC_SCHEDULE at the right places,
7268         cleanup.
7269
7270 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7271
7272         * graphite.c (build_scop_loop_nests): Only add the loops, that
7273         are contained completely in the SCoP.
7274         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7275         and the domains are fixed.
7276         (build_scop_canonical_schedules): Add support for bbs not contained
7277         in any SCoP.
7278
7279 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7280
7281         * graphite.h (scop_contains_loop): Update comments to match
7282         the actual behavior.
7283         (scop_contains_loop): New.
7284         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7285
7286 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7287
7288         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7289         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7290         as GBB_COND_HEADER.
7291
7292 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7293             Tobias Grosser  <grosser@fim.uni-passau.de>
7294
7295         * graphite.c (graphite_transform_loops): Early return when
7296         there are no loops in the function.
7297
7298 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7299             Jan Sjodin  <jan.sjodin@amd.com>
7300
7301         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7302         offset of the last loop.
7303         (setup_cloog_loop): Copy the entire outer constraint matrix.
7304
7305 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7306             Jan Sjodin  <jan.sjodin@amd.com>
7307
7308         * graphite.c (stmt_in_scop_p, function_parameter_p,
7309         invariant_in_scop_p): Removed.
7310         (scan_tree_for_params): Can be used with no constraint
7311         matrix for gathering parameters.
7312         (idx_record_params): Don't use idx_record_param, instead use
7313         scan_tree_for_params.
7314         (find_scop_parameters): Same.
7315         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7316         Fix the size of loop domains.
7317         (schedule_to_scattering): Exit when the outer loop is not in scop.
7318         (find_transform): Enable build_cloog_prog.
7319
7320 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7321             Jan Sjodin  <jan.sjodin@amd.com>
7322
7323         * graphite.c (schedule_to_scattering): Make scattering domains
7324         uniformly of the same size, as required by CLooG 0.14.0 and before.
7325
7326 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7327             Jan Sjodin  <jan.sjodin@amd.com>
7328
7329         * graphite.c (schedule_to_scattering): Rewrite, correct the
7330         translation of the scheduling function to scattering.
7331         (build_cloog_prog): Call schedule_to_scattering only once.
7332         * graphite.h (scop_loop_index): Do not fail for loops not
7333         in the scop: return -1.
7334
7335 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7336
7337         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7338         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7339         (setup_cloog_loop): Export GBB_DOMAIN.
7340         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7341         able to rebuild the original control flow.
7342         * graphite.h (graphite_bb): Add domain field and access macro.
7343         (GBB_DOMAIN): New.
7344
7345 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7346
7347         * graphite.c (debug_gbb): New.
7348         (print_scop, build_graphite_bb): Use SCOP_BBS.
7349         (build_scop_bbs): Reimplemented.
7350         (dfs_bb_in_scop_p): Removed.
7351         (build_scop_loop_nests): Reorder loops inserted in
7352         SCOP_LOOP_NEST: outer loops should come first.
7353         (build_scop_canonical_schedules): Reinitialize at zero
7354         the components of the SCOP_STATIC_SCHEDULE for the loops
7355         that have already been parsed.
7356
7357         * graphite.h (debug_gbb): Declared.
7358
7359 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7360             Jan Sjodin  <jan.sjodin@amd.com>
7361
7362         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7363         (graphite_loop_to_gcc_loop): Removed.
7364         (remove_all_edges): New.
7365         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7366         (gloog): Remove useless code.
7367
7368 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7369
7370         * graphite.c (get_bb_type): Reworked. We distinguish between
7371         loops with one or multiple exits.
7372         (is_loop_exit): New.
7373         (is_pred): New.
7374         (is_bb_addable): Rework condition handling, now support for case
7375         case statements and loops with multiple exits.
7376
7377         * gcc.dg/graphite/scop-11.c: New.
7378         * gcc.dg/graphite/scop-12.c: New.
7379         * gcc.dg/graphite/scop-13.c: New.
7380
7381 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7382
7383         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7384         we have too many colors.
7385
7386 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7387
7388         * doc/invoke.texi (-ftree-loop-fusion): Document.
7389         * tree-pass.h (pass_loop_fusion): Declared.
7390         * tree-loop-fusion.c: New.
7391         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7392         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7393         * tree-data-ref.h (find_data_references_in_loop): Declared.
7394         * common.opt (ftree-loop-fusion): Declared.
7395         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7396
7397 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7398
7399         * graphite.c (build_access_matrix): Fix typo from the merge.
7400
7401 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7402
7403         * Merge from mainline (130800:135673).
7404
7405 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7406
7407         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7408         Update dominators after splitting.
7409
7410 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7411
7412         * graphite.c (is_bb_addable): Return the harmful statement.
7413         Factor up some code.
7414         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7415         (build_scops_1): Call end_scop.
7416
7417 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7418
7419         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7420         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7421         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7422         build_scops_1): Removed.
7423         (build_scops_2): Renamed build_scops_1.
7424
7425 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7426
7427         * graphite.c: Fix formatting.
7428
7429 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7430
7431         * graphite.c (get_bb_type): New.
7432         (move_scops): New.
7433         (build_scops_2): New.
7434         (is_bb_addable): New.
7435         (build_scops): Switch the scop detection.
7436         (build_scop_bbs): Add entry bb to scop.
7437         * graphite.h (struct scop): Update comment.
7438
7439 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7440
7441         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7442         more colors.
7443
7444 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7445
7446         * gcc.dg/graphite/scop-1.c: Update.
7447         * gcc.dg/graphite/scop-2.c: Update.
7448         * gcc.dg/graphite/scop-4.c: Update.
7449         * gcc.dg/graphite/scop-5.c: Add.
7450         * gcc.dg/graphite/scop-6.c: Add.
7451
7452 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7453
7454         * gcc.dg/graphite/scop-0.c: Add.
7455         * gcc.dg/graphite/scop-7.c: Add.
7456         * gcc.dg/graphite/scop-8.c: Add.
7457         * gcc.dg/graphite/scop-9.c: Add.
7458         * gcc.dg/graphite/scop-10.c: Add.
7459
7460 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7461
7462         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7463         Check affine expressions depending on the outermost loop
7464         instead of a scop.
7465         (stmt_simple_for_scop_p): Same.
7466         (harmfule_stmt_in_scop): Same.
7467
7468 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7469
7470         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7471         mark entry and exit, that are not part of the SCoP and update HTML
7472         formatting.
7473
7474 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7475
7476         * graphite.c (basic_block_simple_for_scop_p): Renamed
7477         harmful_stmt_in_bb.
7478         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7479         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7480         (all_preds_visited_p, all_succs_visited_p,
7481         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7482         scop_end_loop): New.
7483         (build_scops): Do not use dfs_enumerate_from.
7484
7485         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7486
7487 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7488
7489         * graphite.c: Add comments to functions that are missing a
7490         description.
7491         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7492
7493 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7494
7495         * graphite.c (nb_params_in_scop): Moved...
7496         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7497         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7498         (clast_to_gcc_expression): Reduce column size to less than 80.
7499         (graphite_create_iv): Return the new name of the IV.
7500         (find_transform): Set options->esp and options->cpp.
7501         (gloog): Comment out the invalidation of the old loop code.
7502         (initialize_dependence_polyhedron): Replace scop_nb_params with
7503         nb_params_in_scop.
7504
7505         * graphite.h (nb_params_in_scop): ... here.
7506         (scop_nb_params): Removed.
7507         (loop_domain_dim): Return something even when the loop was not
7508         found in the hash table: avoid ICEing on all the graphite.exp
7509         testcases.
7510
7511 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7512
7513         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7514
7515         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7516         according to nesting level.
7517         (find_scop_parameters): Call instantiate_parameters.
7518         (scan_tree_for_params): Extend it to handle general affine bounds.
7519         Inner loop bound can depend on outer loop induction variable.
7520         (setup_cloog_loop): tmp variable is allocated on stack. Call
7521         instantiate_parameters with respect to outermost_loop_in_scop.
7522         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7523         graphite.h.
7524         (create_empty_loop): Function loopify should be given edge
7525         probability, instead of edge frequency. Dominance relation from
7526         switch_bb to loop_header.
7527         (clast_to_gcc_expression): Added handling of clast_reduction node.
7528         (gloog): New functionality for removing old loop.
7529         (test_dependence): Factored out from build_rdg_all_levels.
7530         (build_rdg_all_levels): Dependence testing factored out to
7531         test_dependence function.
7532
7533         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7534         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7535         from graphite.c
7536
7537 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7538
7539         * graphite.c (free_scop, param_index, initialize_cloog_names,
7540         nb_params_in_scop): Use name_tree map instead of just a tree
7541         for keeping track of the variable name associated to that tree.
7542         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7543         clast_to_gcc_expression, graphite_create_iv,
7544         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7545         graphite_stmt_to_gcc_stmt): New.
7546         (gloog): Call these.
7547         * graphite.h (struct name_tree): New.
7548         (struct scop): Use name_tree instead of tree for params.
7549         Store a vector of name_tree for new_ivs.
7550         (SCOP_NEWIVS): New.
7551         (scop_nb_params): Use name_tree instead of tree.
7552
7553 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7554             Sebastian Pop  <sebastian.pop@amd.com>
7555
7556         * tree-bounds.c: New.
7557         * tree-bounds.h: New.
7558         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7559         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7560         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7561         flag_mudflap.
7562         * gcc.c: Same.
7563         * toplev.c: Same.
7564         * c-cppbuiltin.c: Same.
7565         * c-pragma.c: Same.
7566         * common.opt: Same.
7567         * varasm.c: Same.
7568         * tree-outof-ssa.c: Same.
7569         * c-common.c: Same.
7570         * Makefile.in: Same.
7571
7572 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7573             Sebastian Pop  <sebastian.pop@amd.com>
7574
7575         * tree-loop-distribution.c (remaining_stmts,
7576         upstream_mem_writes): Removed static variables.
7577         (copy_loop_before, create_bb_after_loop,
7578         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7579         rdg_build_components, rdg_build_partitions,
7580         dump_rdg_partitions): Extern.
7581         (generate_loops_for_partition, generate_code_for_partition): Do not
7582         return a bool.
7583         (already_processed_vertex_p, predecessor_has_mem_write,
7584         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7585         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7586         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7587         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7588         Pass remaining_stmts and upstream_mem_writes as parameters.
7589         (rdg_component): Moved...
7590         (build_rdg_partition_for_component): Do not aggregate components when
7591         flag_streamize_loops is set.
7592         (gen_sequential_loops): New.
7593         (ldist_gen): Call gen_sequential_loops.
7594
7595         * tree-pass.h (pass_loop_streamization): Declared.
7596
7597         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7598         basic blocks when loops structures exist.
7599
7600         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7601
7602         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7603
7604         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7605         eliminate_local_variables_stmt, eliminate_local_variables,
7606         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7607         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7608         of code delimited by two edges in the CFG.
7609         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7610         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7611         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7612         the case of parallelisation of reductions.
7613         (create_loop_fn): Extern.
7614         (create_omp_parallel_region): New.
7615
7616         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7617         dump_data_reference for printing dra and drb.
7618         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7619         RDGE_RELATION.
7620         (build_rdg): Don't call free_dependence_relations for the moment, as
7621         we attach dependence relations on each edge of the RDG.
7622         To be fixed later.
7623
7624         * tree-data-ref.h (rdg_component): ...here.
7625         (struct rdg_edge): New field ddr_p relation.
7626         (RDGE_RELATION): New.
7627         (create_bb_after_loop, copy_loop_before,
7628         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7629         rdg_build_partitions, dump_rdg_partitions,
7630         free_rdg_components): Declared.
7631
7632         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7633         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7634
7635         * tree-loop-streamization.c: New.
7636
7637         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7638         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7639
7640         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7641
7642         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7643
7644         * passes.c: Schedule pass_loop_streamization.
7645
7646 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7647
7648         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7649         update comment.
7650
7651 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7652
7653         * graphite.c (dot_all_scops): Update formatting.
7654         Bbs can now be part of more than one SCoP.
7655
7656 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7657
7658         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7659         malloc problems.
7660         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7661         * graphite.h (loop_to_cloog_loop): New.
7662
7663 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7664
7665         * graphite.c (loop_domain_dim, ref_nb_loops,
7666         loop_iteration_vector_dim): New.
7667         (build_access_matrix_with_af, build_access_matrix,
7668         initialize_dependence_polyhedron): Fixed for new matrix layout.
7669         No longer assume that all iteration domains are of the same
7670         dimensionality.
7671
7672 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7673
7674         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7675         defined in a loop at depth 0 is invariant.
7676         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7677         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7678         be called at loop depth 0.
7679
7680         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7681         a parameter.
7682         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7683         (down_open_scop): Removed.
7684         (loop_in_scop_p): Redefined.
7685         (scop_affine_expr): New argument: scop.
7686         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7687         a harmful statement ending a scop.
7688         (basic_block_simple_for_scop_p): New argument: scop.
7689         (get_loop_start): Removed.
7690         (new_scop): Initialize SCOP_LOOPS.
7691         (free_scop): Free SCOP_LOOPS.
7692         (succs_at_same_depth, preds_at_same_depth): New.
7693         (end_scop): Test the validity of a scop.
7694         (add_dominators_to_open_scops): New.
7695         (test_for_scop_bound): Call add_dominators_to_open_scops.
7696         Add cases for opening and closing multiple scops.
7697         (build_scops, build_scop_bbs): Iterate over basic blocks in
7698         depth first order.
7699         (build_graphite_bb): Pass scop directly.
7700         (dfs_bb_in_scop_p): New.
7701         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7702         several times.
7703         (nb_loops_around_gb): Use loop_in_scop_p.
7704         (schedule_to_scattering): Disabled for the moment the code computing
7705         the "textual order for outer loop".
7706
7707         * graphite.h (struct scop): New field loops.
7708         (SCOP_LOOPS): New.
7709         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7710
7711         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7712
7713 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7714             Sebastian Pop  <sebastian.pop@amd.com>
7715
7716         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7717         * common.opt (fstreamize-loops): New.
7718         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7719         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7720         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7721         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7722
7723 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7724
7725         * tree-data-ref.c (build_empty_rdg): New.
7726         (build_rdg): Use it.
7727         * tree-data-ref.h (build_empty_rdg): Declared.
7728         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7729         (find_vertex_for_stmt): Removed.
7730         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7731
7732 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7733
7734         * tree-loop-distribution.c (generate_builtin): After cancelling the
7735         loop tree, also delete basic blocks.
7736         (rdg_flag_uses): Stop recursion when a vertex has already been
7737         processed.
7738
7739 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7740
7741         * graphite.c (build_scop_alpha): Removed.
7742         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7743         and dump_dependence_graph to avoid compiler warnings.
7744
7745 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7746
7747         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7748         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7749         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7750         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7751         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7752         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7753         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7754         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7755         dump_dependence_graph): New.
7756         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7757         (GBB_ALPHA): New.
7758         (struct scop): New field loop2cloog_loop.
7759         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7760         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7761
7762 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7763
7764         * graphite.c (build_graphite_bb): Fix initialization
7765         of the graphite basic block.
7766
7767 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7768
7769         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7770         loop domain matrix.  Pass in the number of loops contained in the
7771         constraint matrix.
7772         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7773         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7774         loops that are not surrounding the current loop are not represented
7775         in the domain constraint matrix.
7776         (build_scop_iteration_domain): Initial domain constraint matrix
7777         contains only the eq/ineq, cst, and scop parameters columns.
7778
7779 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7780
7781         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7782         (print_graphite_bb): Print scattering.
7783
7784 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7785
7786         * graphite.c (initialize_cloog_names): Initialize names of
7787         scattering variables.
7788
7789 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7790
7791         * graphite.c (dot_all_scops_1): Disable debug output while
7792         printing graph.
7793
7794 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7795
7796         * graphite.c (find_transform): Change cloog output language to C.
7797
7798 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7799
7800         * tree-loop-distribution.c (generate_memset_zero,
7801         generate_builtin, generate_code_for_partition,
7802         rdg_flag_all_uses): New.
7803         (rdg_flag_uses): Gather in the same partition the statements defining
7804         the VUSES of the current statement.
7805         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7806         Gather in the same partition not only the stores to the same memory
7807         access, but also the reads.
7808         (ldist_generate_loops): Renamed ldist_gen.
7809
7810 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7811             Tobias Grosser  <grosser@fmi.uni-passau.de>
7812
7813         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7814         next pointer, don't use the inner pointer.
7815
7816 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7817
7818         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7819         (find_transform): Call dot_all_1.
7820         * graphite.h (dot_all_scops): Declared.
7821
7822 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7823
7824         * tree-loop-distribution.c: Fix apsi.f ICE.
7825         (create_bb_after_loop): New.
7826         (generate_loops_for_partition): Use it.
7827         * gfortran.dg/ldist-1.f90: New.
7828
7829         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7830         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7831
7832 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7833
7834         * graphite.c (find_transform): Dump cloog program sent to cloog.
7835
7836 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7837
7838         * graphite.c (initialize_cloog_names): Initialize cloog
7839         iterator names.
7840
7841 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7842
7843         * graphite.c (build_scop_context): Fix typo, for the matrix
7844         format: insert '0 >= 0' instead of '-1 >= 0'.
7845
7846 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7847
7848         * Fix merge problems.
7849
7850 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7851
7852         * graphite.c (setup_cloog_loop): Fix typo.
7853
7854 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7855
7856         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7857         * tree-loop-distribution.c: Reimplemented.
7858         * tree-pass.h (pass_loop_distribution): New.
7859         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7860         print_loops.
7861         * graphds.h (struct graph): New field indexes.
7862         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7863
7864         * tree-vect-analyze.c: Remove declaration of static functions when not
7865         needed.
7866         * tree-vectorizer.c: Same.
7867         (rename_variables_in_loop): Now extern.
7868         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7869         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7870         calling redirect_edge_and_branch_force.
7871
7872         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7873
7874         * tree-data-ref.c: Don't include tree-chrec.h.
7875         (debug_data_dependence_relations): New.
7876         (dump_data_dependence_relation): Call dump_data_reference on data refs
7877         in the relation.
7878         (same_access_functions): Moved...
7879         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7880         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7881         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7882         struct rdg_vertex_info, ): New.
7883         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7884         at DDR_REVERSED_P.
7885         (create_rdg_vertices): Initialize the htab of graph->indexes.
7886         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7887         (stmts_from_loop): Don't save LABEL_EXPR.
7888         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7889         hash_stmt_vertex_del): New.
7890         (build_rdg): Initialize rdg->indexes.
7891         (free_rdg, stores_from_loop, ref_base_address,
7892         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7893         have_similar_memory_accesses_1, ref_base_address_1,
7894         remove_similar_memory_refs): New.
7895
7896         * tree-data-ref.h: Include tree-chrec.h.
7897         (debug_data_dependence_relations): Declared.
7898         (same_access_functions): ...here.  Now static inline.
7899         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7900         ddr_dependence_level): New.
7901         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7902         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7903         RDG_MEM_READS_STMT): New.
7904         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7905         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7906         rdg_vertex_for_stmt): Declared.
7907         (struct rdg_edge): New field level.
7908         (RDGE_LEVEL, free_rdg): New.
7909         (stores_from_loop, remove_similar_memory_refs,
7910         rdg_defs_used_in_other_loops_p,
7911         have_similar_memory_accesses): Declared.
7912         (rdg_has_similar_memory_accesses): New.
7913
7914         * lambda.h (dependence_level): New.
7915         * common.opt (ftree-loop-distribution): New.
7916         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7917         (print_loop_ir): Renamed print_loops.
7918         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7919         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7920         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7921         (tree-loop-distribution.o): Added.
7922         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7923         (mark_virtual_ops_in_bb): New.
7924         (print_loops_bb, debug_loop_num, debug_loop): New.
7925         * passes.c: Scheduled pass_loop_distribution.
7926
7927 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7928
7929         * graphite.c (scan_tree_for_params): Correct the number of columns
7930         for polylib format.
7931         (nb_flat_iterator): New.
7932         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7933         (build_scop_iteration_domain): Correct the number of columns for
7934         polylib format.
7935
7936 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7937
7938         * Merge from mainline (129697:130800).
7939
7940 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7941
7942         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7943         dominated by SCoP's exit.
7944         (graphite_transform_loops): Compute post dominators.
7945
7946 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7947
7948         * Merge from mainline (127169:129697).
7949
7950 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7951
7952         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7953         parameter for the basic block that contains the expression.  Use
7954         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7955         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7956         the expression.
7957         * graphite.h (gbb_loop): New.
7958         (GBB_LOOP): Removed.
7959
7960 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7961
7962         * Makefile.in: Fix merge problem.
7963
7964 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7965
7966         * Merge from mainline (125309:127169).
7967         * tree-loop-distribution.c: Disabled.
7968
7969 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7970
7971         * Merge from mainline (r123693:125309).
7972
7973 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7974
7975         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7976         correct_modify_p
7977         (correct_modify_p, check_statements, number_of_lvalue_uses,
7978         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7979         instead of MODIFY_EXPR.
7980         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7981         and push new edges.
7982
7983 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7984
7985         * tree-loop-distribution.c (struct rdg): Replace arrays by
7986         VECs for edges and vertices.
7987         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7988         (RDGV_NB_PARTITIONS): New.
7989         (PRDG_NBV, PRDG_NBE): Removed.
7990         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7991         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7992         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7993
7994 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7995             Sebastian Pop  <sebpop@gmail.com>
7996
7997         * doc/invoke.texi (-ftree-loop-distribution): Document.
7998         * tree-loop-distribution.c: New file.
7999         * tree-pass.h (pass_loop_distribution): Declared.
8000         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8001         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8002         and set reversed_p.
8003         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8004         (DDR_REVERSED_P): New.
8005         * common.opt (-ftree-loop-distribution): New.
8006         * tree-flow.h (distribute_loops): Declared.
8007         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8008         * passes.c (init_optimization_passes): Schedule loop distribution.
8009
8010 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8011
8012         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8013         (print_scop): Don't print when scop is NULL.
8014         (build_scop_context, find_transform): Don't output to stderr.
8015
8016 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8017
8018         * tree-data-ref.c: Don't include graphite.h.
8019         Comment out the code for printing data reference's scop.
8020         (build_access_matrix_with_af): Moved...
8021         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8022         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8023         (print_graphite_bb): Print basic block's schedule.
8024         (print_scop): Don't print the schedule, call cloog's pretty printer.
8025         (bb_in_scop_p): A basic block is in a scop only if it is both
8026         dominated and postdominated by the scop's entry and exit basic blocks.
8027         (function_parameter_p): New.
8028         (invariant_in_scop_p): Use function_parameter_p.
8029         (new_scop, save_scop): New.
8030         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8031         save_scop.
8032         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8033         (loop_in_scop_p): New.
8034         (scop_record_loop): Use loop_in_scop_p.
8035         (build_scop_domain): Renamed build_scop_iteration_domain.
8036         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8037         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8038         setup_cloog_loop, dot_scop_1, dot_scop): New.
8039         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8040         (struct scop): Add a pointer to cloog's representation of a program.
8041
8042 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8043
8044         * doc/invoke.texi (-ftree-check-verbose): Renamed
8045         -ftree-checks-verbose.
8046         * common.opt (flag_tree_check_verbose): Renamed
8047         flag_tree_checks_verbose.
8048         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8049
8050 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8051
8052         * configure: Regenerated.
8053         * config.in: Regenerated.
8054         * tree-ssa-loop.c (graphite_transforms): Execute
8055         graphite_transform_loops only when HAVE_cloog.
8056         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8057         * graphite.c: Include polylibgmp.h and cloog.h.
8058         (graphite_transform_loops): Removed loops parameter.
8059         * tree-flow.h (graphite_transform_loops): Update declaration.
8060         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8061         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8062         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8063         (OBJS-common): Remove dependence on graphite.o.
8064         (BACKEND): Depend on @GRAPHITE@.
8065
8066 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8067
8068         * doc/invoke.texi (-ftree-check-verbose): Documented.
8069         * gcc.dg/tree-checker/tree-checks-1.c: New.
8070         * gcc.dg/tree-checker/tree-checks-2.c: New.
8071         * gcc.dg/tree-checker/tree-checks-3.c: New.
8072         * gcc.dg/tree-checker/tree-checks-4.c: New.
8073         * gcc.dg/tree-checker/tree-checks.exp: New.
8074         * gcc.dg/tree-checker/condates.crp: New.
8075         * common.opt (ftree-checks-verbose): New.
8076         * tree-check.c (tree_check_warning): Move extra stderr output
8077         under control of flag_tree_check_verbose.
8078
8079 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8080
8081         * tree-match.c: Fix comments formatting.
8082         * tree-match.h: Fix comments formatting.
8083         * tree-check.c: Fix comments formatting.
8084         (tree_check_init): Restructure.
8085
8086 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8087
8088         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8089
8090 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8091
8092         * Merge from mainline (r120733:123693).
8093
8094 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8095
8096         * condate.y: New file.
8097         * tree-match.h (struct patt_info_s): New field sign.
8098         (struct condate_s): New field msg.
8099         (normalize_condate, name_condate, add_condate): New.
8100         (conds[], condate_parse): Made extern.
8101         * tree-check.c (tree_check_warning): First arg changed to cond;
8102         warning reformatted.
8103         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8104         (tree_scan): New.
8105         (tree_check): Process trivial condates.
8106         (read_delimited_string): Removed.
8107         (print_cond): Print name and msg.
8108         (conds[]): Made extern.
8109         (parse_tree_check_file_once): Rewritten to use the parser in
8110         condate.y.
8111         Processing of option --tree_check_string moved to tree_scan().
8112         * Makefile.in: Added condate.y
8113
8114 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8115
8116         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8117         Use VECs instead of varrays.
8118         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8119         * Makefile.in (pretty-print.o): Depend on vec.h.
8120         * pretty-print.c: Include tree.h and vec.h.
8121         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8122         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8123         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8124         pp_free_list): Use VECs instead of varrays.
8125         * pretty-print.h: Do not include varray.h.
8126         (struct tree_chunk_s): Declaration moved before its use.
8127         (output_buffer): Rename varray field to chunks.
8128         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8129         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8130         save_global_holes): Use VECs instead of varrays.
8131         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8132         * tree-check.c (scan_cfg_stmts, push_node,
8133         print_matching_stmt): Removed.
8134         (tree_check_instance, push_global_holes_if_new, tree_check,
8135         execute_tree_check): Use VECs instead of varrays.
8136         (gate_tree_check): Don't execute the CFG check when basic_block_info
8137         is not available.
8138
8139 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8140
8141         * Merge from mainline (r115016:120733).
8142
8143 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8144
8145         * Merge from mainline (r117632:117661).
8146
8147 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8148
8149         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8150         * tree-pass.h (TDF_DEBUG, debug_p): New.
8151         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8152         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8153         get_loop_exit_condition, analyze_evolution_in_loop,
8154         analyze_initial_condition, analyze_scalar_evolution,
8155         instantiate_parameters, number_of_latch_executions): Use debug_p.
8156         * tree-chrec.c (chrec_apply): Use debug_p.
8157         * tree-data-ref.c: Include graphite.h.
8158         (dump_data_reference): Print also the access matrix.
8159         (analyze_array, analyze_indirect_ref, init_data_ref,
8160         analyze_offset_expr, address_analysis, object_analysis,
8161         create_data_ref, finalize_ddr_dependent,
8162         non_affine_dependence_relation, analyze_ziv_subscript,
8163         analyze_siv_subscript_cst_affine,
8164         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8165         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8166         analyze_miv_subscript, analyze_overlapping_iterations,
8167         build_classic_dist_vector, subscript_dependence_tester,
8168         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8169         (build_access_matrix_with_af): No longer static.
8170         * tree-data-ref.h (scop_p): ... declaration here.
8171         (data_reference.scop): New field.
8172         (DR_SCOP, DR_ACCESS_MATRIX): New.
8173         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8174         * graphite.c (print_graphite_bb): Call dump_data_references.
8175         (print_scop): Use scop_nb_loops and scop_dim_domain.
8176         (test_for_scop_bound): Use debug_p.
8177         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8178         scop_nb_params.
8179         (scop_loop_index): Moved...
8180         (scop_record_loop): New.
8181         (build_scop_loop_nests): Use scop_record_loop.
8182         (build_scop_domain): Use scop_dim_domain.
8183         (build_access_matrix): Implemented.
8184         (build_scop_canonical_schedules): Use scop_nb_loops.
8185         (build_graphite_bb): Initialize GBB_SCOP.
8186         * graphite.h (scop_p): Moved...
8187         (graphite_bb.scop): New field.
8188         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8189         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8190         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8191         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8192         scop_loop_index): New.
8193         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8194
8195 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8196
8197         * Merge from mainline (r117661:120450).
8198
8199 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8200
8201         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8202         at the first declaration outside the varying loop, instantiate as
8203         far as possible.
8204         * tree-chrec.c (for_each_scev_op): New.
8205         * tree-chrec.h (for_each_scev_op): Declared.
8206         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8207         * tree-data-ref.c (get_references_in_stmt,
8208         find_data_references_in_stmt): New, from trunk.
8209         (find_data_references_in_loop): Use get_references_in_stmt
8210         and find_data_references_in_loop, modified as in trunk.
8211         (build_access_matrix_with_af): New.
8212         * tree-data-ref.h (data_reference): Add a field access_matrix.
8213         (data_ref_loc): New, as in trunk.
8214         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8215         invariant_in_scop_p, param_index, scan_tree_for_params,
8216         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8217         idx_record_param, idx_record_params, build_access_matrix,
8218         build_scop_data_accesses, build_scop_canonical_schedules,
8219         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8220         build_scop_params): New.
8221         * graphite.h (graphite_bb): New.
8222         (scop): Add fields static_schedule, params, loop_nest,
8223         iteration_domain.
8224         * lambda.h: Declare vecs of lambda_matrix.
8225         * tree-flow.h (print_loop_ir_bb): Declared.
8226         * tree-cfg.c (print_loop_ir_bb): New.
8227         (print_loop): Use print_loop_ir_bb.
8228
8229 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8230
8231         * Merge from mainline (r115016:117632).
8232
8233 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8234
8235         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8236         break due to a warning.
8237
8238 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8239
8240         * graphite.c (print_scops, debug_scops): New.
8241         (graphite_transform): Renamed graphite_find_transform.
8242         * graphite.h (debug_scops): Declared.
8243
8244 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8245
8246         * tree-match.c: Reformat following the GNU style.
8247         * tree-match.h: Reformat following the GNU style.
8248         * tree-pattern.h: Removed empty file.
8249         * Makefile.in: Remove references to tree-pattern.h.
8250         * tree-check.c: Reformat following the GNU style.
8251         (execute_tree_check): Move gate condition code to...
8252         (gate_tree_check): ...here.  New function.
8253         (pass_check): Use the gate function.
8254
8255 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8256
8257         * tree-pattern.h: New. Tree pattern matching and checking using
8258         concrete syntax.
8259         * tree-check.c: New. Tree/CFG checking pass.
8260         * tree-match.c: New. Library for tree pattern matching.
8261         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8262         * toplev.c, flags.h: Add globals for tree-check pass.
8263         * Makefile.in: Integrate the files in tree-check pass.
8264         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8265         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8266         Introduce a "lazy" pretty-print mode.
8267         * tree.c, tree.h: Add tree_name.
8268
8269 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8270
8271         * doc/invoke.texi (-fgraphite): Correct typo.
8272         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8273         use of print_loop_ir.
8274         * gcc.dg/graphite/scop-1.c: New.
8275         * gcc.dg/graphite/scop-2.c: New.
8276         * gcc.dg/graphite/graphite.exp: New.
8277         * graphite.c: Include domwalk.h.
8278         (print_scop): Print only the entry and exit blocks.
8279         (debug_scop): No longer static.
8280         (affine_expr): Fix formating.  Return also true when the expression is
8281         constant.
8282         (stmt_simple_for_scop_p): Fix formating.
8283         (build_scops): Use domwalk.
8284         (get_loop_start, end_scop, test_for_scop_bound): New.
8285         (graphite_transform_loops): Avoid printing on stderr.
8286         * graphite.h (debug_scop): Declared.
8287         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8288         * Makefile.in (graphite.o): Depend on domwalk.h.
8289         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8290         declarations for static functions.
8291         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8292         controlling output verbosity.
8293
8294 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8295             Plesco Alexandru  <shurikx@gmail.com>
8296
8297         * doc/invoke.texi (-fgraphite): Document.
8298         * tree-pass.h (pass_graphite_transforms): Declared.
8299         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8300         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8301         (pass_graphite_transforms): Defined.
8302         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8303         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8304         * graphite.c, graphite.h: New.
8305         * common.opt (fgraphite): Declared.
8306         * tree-flow.h (graphite_transform_loops): Declared.
8307         * Makefile.in (OBJS-common): Add graphite.o.
8308         (graphite.o): New rule.
8309         * passes.c (pass_graphite_transforms): Scheduled.
8310