gcc/ChangeLog.graphite

   1 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
   4         the "a followed by b" relation and document it.
   5
   6 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-dependences.c (build_lexicographical_constraint): Stop the
   9         iteration when the bag of constraints is empty.
  10
  11 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
  14
  15 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
  18         nest and two loop depths as parameters.
  19         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
  20         lst_perfect_nestify.
  21
  22 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  23
  24         * graphite-dependences.c (print_pddr): Call
  25         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
  26
  27 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  28
  29         * graphite-ppl.c (debug_gmp_value): New.
  30         * graphite-ppl.h (debug_gmp_value): Declared.
  31
  32 2011-01-13  Tobias Grosser  <grosser@fim.uni-passau.de>
  33
  34         * doc/install.texi: Document availability of cloog-0.16
  35
  36 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
  37
  38         * graphite-scop-detection.c (is_valid_stmt_p): Pass the entry basic
  39         block instead of region start to the instantiation.
  40         (is_valid_bb_p): Add support for basic blocks with conditional
  41         statements.
  42         (find_scops_new): Recalculate dominance info before SCOP
  43         detection.
  44
  45 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
  46
  47         * graphite-scop-detection.c (get_outermost_loop_in_region): New.
  48         (is_valid_loop_p): Correct loop passed to stmt_has_simple_data_refs_p
  49
  50 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
  51
  52         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
  53         invalid postdominance info
  54
  55 2010-12-29  Sebastian Pop  <sebastian.pop@amd.com>
  56
  57         * Makefile.in (graphite-opencl-codegen.o): Update dependences.
  58         (graphite-opencl-meta-clast.o): Same.
  59         (graphite-opencl.o): Same.
  60         (refined-regions.o): Same.
  61         * graphite-opencl-codegen.c: Do not include unnecessary .h files.
  62         * graphite-opencl-meta-clast.c: Same.
  63         * graphite-opencl.c: Same.
  64         * refined-regions.c: Same.
  65
  66 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  67
  68         * graphite-opencl-codegen.c: Use FOR_EACH_VEC_ELT.
  69         * graphite-opencl-meta-clast.c: Same.
  70         * graphite-opencl.c: Same.
  71
  72 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         * graphite-opencl-codegen.c: Do not include sys/time.h.
  75         * graphite-opencl.c: Same.
  76
  77 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * graphite-opencl.c (h_context, h_cmd_queue, h_program): Moved
  80         out of ifdef HAVE_cloog section.
  81
  82 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  83
  84         * Makefile.in (graphite-opencl.o): Depends on
  85         graphite-opencl-functions.def.
  86         * graphite-opencl-functions.def: New.
  87         * graphite-opencl.c (enum OPENCL_FUNCTIONS): Read data from
  88         graphite-opencl-functions.def.
  89         (opencl_function_names): Same.
  90         (opencl_create_function_decl): Use the enum OPENCL_FUNCTIONS
  91         as indices of opencl_function_names.
  92
  93 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
  94
  95         * graphite-opencl-codegen.c: Fix formatting.
  96         * graphite-opencl-meta-clast.c: Same.
  97         * graphite-opencl.c: Same.
  98
  99 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         * graphite-opencl-codegen.c: Fix formating problems.
 102         * graphite-opencl-meta-clast.c: Same.
 103         * graphite-opencl.c: Same.
 104         * graphite-opencl.h: Same.
 105
 106 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         * graphite-opencl-codegen.c: Sort topologically static functions.
 109         * graphite-opencl.c: Same.
 110
 111 2010-12-25  Sebastian Pop  <sebastian.pop@amd.com>
 112
 113         * graphite-cloog-compat.h (cloog_names_nb_scattering): New.
 114         (cloog_names_scattering): New.
 115         * graphite-opencl-codegen.c (opencl_constant_expression_p): Use
 116         clast_expr_* instead of expr_*.  Call clast_name_to_str.
 117         (opencl_clast_name_to_tree): Now takes a clast_name_p in parameter.
 118         (opencl_get_scat_real_name): Same.  Call clast_name_to_str.
 119         (opencl_add_scat_as_arg): Same.
 120         (opencl_print_local_vars): Call cloog_names_scattering and
 121         cloog_names_nb_scattering.
 122         (opencl_print_for): Do not call value_*.
 123         (opencl_print_term): Same.
 124         (opencl_print_expr): Use clast_expr_* instead of expr_*.
 125         (opencl_print_sum): Same.
 126         (opencl_print_binary): Same.
 127
 128 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 129
 130         * Makefile.in (OBJS-common): Add graphite-opencl-codegen.o,
 131         graphite-opencl-meta-clast.o and graphite-opencl.o.
 132         (graphite-opencl-codegen.o): New.
 133         (graphite-opencl-meta-clast.o): New.
 134         (graphite-opencl.o): New.
 135         (GTFILES): Add graphite-opencl.c.
 136         * common.opt (fgraphite-opencl): New.
 137         (fgraphite-opencl-cpu): New.
 138         (fgraphite-opencl-ignore-depth-heuristic): New.
 139         (fgraphite-opencl-ignore-mem-heuristic): New.
 140         (fgraphite-opencl-ignore-dep): New.
 141         (fgraphite-opencl-ignore-types): New.
 142         (fgraphite-opencl-depth-base): New.
 143         (fgraphite-opencl-debug): New.
 144         * graphite-opencl-codegen.c: New file.
 145         * graphite-opencl-meta-clast.c: New file.
 146         * graphite-opencl.c: New file.
 147         * graphite-opencl.h: New file.
 148         * graphite.c (graphite_transform_loops): Call graphite_opencl_init and
 149         graphite_opencl_finalize.
 150         * tree-ssa-loop.c (gate_graphite_transforms): Handle
 151         flag_graphite_opencl.
 152         * graphite-clast-to-gimple.c (gloog): Call opencl_transform_clast.
 153         * dbgcnt.def (opencl_scop_cnt): New counter.
 154
 155 2010-12-25  Alexander Monakov  <amonakov@ispras.ru>
 156
 157         * graphite-dependences.c (graphite_outer_subscript_bound): New.
 158         (graphite_carried_dependence_level_k): Export.
 159         * graphite-dependences.h (graphite_outer_subscript_bound): Declare.
 160         (graphite_carried_dependence_level_k): Ditto.
 161
 162 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 163
 164         * graphite-clast-to-gimple.c (struct clast_name_index): Move
 165         definition to graphite-clast-to-gimple.h.
 166         (clast_name_to_index): Ditto.
 167         (clast_name_index_elt_info): Ditto.
 168         (eq_clast_name_indexes): Ditto.
 169         (save_clast_name_index): Export.
 170         (clast_name_to_gcc): Ditto.
 171         (clast_to_gcc_expression): Ditto.
 172         (gcc_type_for_clast_expr): Ditto.
 173         (graphite_create_new_guard): Ditto.
 174         (gcc_type_for_iv_of_clast_loop): Ditto.
 175         (graphite_create_new_loop): Ditto.
 176         (build_iv_mapping): Ditto.
 177         (graphite_create_new_loop_guard): Ditto.
 178         (debug_clast_name_index): New.
 179         (debug_clast_name_indices): New debug function.
 180
 181 2010-12-21  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         PR tree-optimization/47021
 184         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
 185
 186 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 187
 188         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
 189         unused warning.
 190         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 191
 192 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 193
 194         * graphite-sese-to-poly.c (analyze_drs): Removed.
 195         (build_scop_drs): Do not call analyze_drs.
 196         (analyze_drs_in_stmts): New.
 197         (insert_stmts): New.
 198         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
 199         (insert_out_of_ssa_copy_on_edge): Same.
 200         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
 201         (rewrite_phi_out_of_ssa): Same.
 202         (rewrite_cross_bb_scalar_dependence): Same.
 203         (split_reduction_stmt): Move data references in the new basic blocks.
 204         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
 205
 206 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 207
 208         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
 209
 210 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 211
 212         PR middle-end/45297
 213         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
 214         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
 215         * graphite-poly.h (new_poly_bb): Update declaration.
 216         (gbb_from_bb): Moved here...
 217         (pbb_from_bb): New.
 218         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
 219         Removed.
 220         (graphite_stmt_p): Removed.
 221         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
 222         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
 223         new_poly_bb.
 224         (build_scop_bbs_1): Do not pass in sbitmap reductions.
 225         (build_scop_bbs): Same.
 226         (gbb_from_bb): ... from here.
 227         (add_conditions_to_constraints): Moved up.
 228         (analyze_drs): New.
 229         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
 230         not contain data references.
 231         (new_pbb_from_pbb): New.
 232         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
 233         block is split.
 234         (rewrite_close_phi_out_of_ssa): Update call to
 235         insert_out_of_ssa_copy_on_edge.
 236         (rewrite_reductions_out_of_ssa): Now static.
 237         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 238         (split_pbb): New.
 239         (split_reduction_stmt): Call split_pbb.
 240         (translate_scalar_reduction_to_array): Pass in the scop, do not
 241         pass in the sbitmap reductions.
 242         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 243         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 244         (rewrite_commutative_reductions_out_of_ssa): Same.
 245         (build_poly_scop): Call build_scop_bbs,
 246         rewrite_commutative_reductions_out_of_ssa,
 247         rewrite_reductions_out_of_ssa, and
 248         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
 249         before scop_to_lst.
 250         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
 251         Removed declaration.
 252         (rewrite_reductions_out_of_ssa): Same.
 253         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 254         (build_scop_bbs): Same.
 255         * graphite.c (graphite_transform_loops): Do not initialize reductions.
 256         Do not call build_scop_bbs,
 257         rewrite_commutative_reductions_out_of_ssa,
 258         rewrite_reductions_out_of_ssa, and
 259         rewrite_cross_bb_scalar_deps_out_of_ssa.
 260         * sese.h (struct gimple_bb): Add field pbb.
 261         (GBB_PBB): New.
 262
 263         * gcc.dg/graphite/pr45297.c: New.
 264
 265 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 266
 267         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
 268         New.
 269         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
 270         handle_scalar_deps_crossing_scop_limits.
 271         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
 272         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
 273
 274 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 275
 276         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
 277         when replacing a constant in an ADDR_EXPR.
 278
 279 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 280
 281         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
 282         for the stride.
 283         (lst_do_strip_mine): Same.
 284         (scop_do_strip_mine): Same.
 285         * graphite-poly.c (apply_poly_transforms): Update call to
 286         scop_do_strip_mine.
 287         * graphite-poly.h (scop_do_strip_mine): Update declaration.
 288
 289 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
 290
 291         PR middle-end/45758
 292         * graphite.c (graphite_initialize): Call scev_reset.
 293
 294 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         * sese.h (scev_analyzable_p): Return false for real or floating
 297         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
 298
 299 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 300
 301         PR middle-end/45758
 302         * gfortran.dg/graphite/pr45758.f90: New.
 303
 304 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 305
 306         * graphite-scop-detection.c (is_scop_p): Free bblist.
 307
 308 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 309
 310         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
 311         and ps.
 312         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
 313         domain.
 314         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
 315         Do not allocate ub_expr, it is passed in initialized.
 316
 317 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 318
 319         * common.opt (fgraphite-dump-cloog): New flag.
 320         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 321         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 322         (build_cloog_prog): Dump CLooG input file when
 323         flag_graphite_dump_cloog is set.
 324         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
 325
 326 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 327
 328         Revert previous patch "New flag: -fgraphite-dump-cloog."
 329
 330 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 331
 332         * common.opt (fgraphite-dump-cloog): New flag.
 333         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 334         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 335         (build_cloog_prog): Dump CLooG input file when
 336         flag_graphite_dump_cloog is set.
 337
 338 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 339
 340         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
 341         verify_dominators for CDI_POST_DOMINATORS.
 342         * sese.h: Remove comment about CDI_POST_DOMINATORS.
 343         (recompute_all_dominators): Remove call to free_dominance_info
 344         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
 345         for CDI_POST_DOMINATORS.
 346
 347 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 348
 349         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 350         over pbb_dim_iter_domain.
 351
 352 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 353
 354         * graphite-flattening.c: Fix comments.
 355
 356 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 357
 358         * Makefile.in (OBJS-common): Add graphite-flattening.o.
 359         (graphite-flattening.o): New rule.
 360         * common.opt (floop-flatten): New flag.
 361         * doc/invoke.texi (-floop-flatten): Documented.
 362         * graphite-flattening.c: New.
 363         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
 364         * graphite-poly.h (flatten_all_loops): Declared.
 365         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
 366         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
 367         is set, also set flag_graphite.
 368
 369 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 370
 371         * graphite-poly.c (cloog_checksum): New.
 372         * graphite-poly.h (cloog_checksum): Declared.
 373
 374 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 375
 376         * graphite-poly.c (pbb_number_of_iterations): Removed.
 377         (pbb_number_of_iterations_at_time): Correctly compute the number
 378         of iterations in the transformed loop.
 379         * graphite-poly.h (pbb_number_of_iterations): Removed.
 380
 381 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 382
 383         * graphite-poly.h (lst_update_scattering_seq): Removed.
 384         (lst_update_scattering): Correctly handle outermost loop dewey
 385         renumbering.
 386
 387 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 388
 389         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
 390         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
 391         * graphite-poly.h (lst_niter_for_loop): New.
 392
 393 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 394
 395         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 396         transform read from disk is not legal.  Call fatal_error instead.
 397
 398 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 399
 400         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 401         (print_scop_header): Removed.  Inlined in the only call place...
 402         (print_scop): ... here.
 403
 404 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 405
 406         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 407
 408 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 409
 410         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 411         (is_valid_stmt_p): Add data reference and operation-specific checks.
 412         (is_valid_bb_p): Change structure, add loop validity check.
 413         (is_scop_p): Move the TODO list
 414         (find_scops_new): New.
 415         (build_scops_new): Move part of functionality to find_scops_new and
 416         build_scops.  Add necessary steps for successful SCoP construction.
 417         (build_scops): Compute SCoP sets for both detection algorithms, choose
 418         the resulting one depending on static condition.
 419
 420 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 421
 422         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 423
 424 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 427         (dot_deps_stmt): Same.
 428         * graphite-poly.c (dot_lst): Same.
 429
 430 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 431
 432         * graphite-blocking.c (scop_do_strip_mine): Do not call
 433         graphite_legal_transform.
 434         (scop_do_block): Same.
 435
 436 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 437
 438         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 439         description.
 440
 441 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 442
 443         PR middle-end/45230
 444         * gcc.dg/graphite/id-pr45230.c: New.
 445
 446 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 447
 448         * tree-scalar-evolution.c (instantiate_array_ref): New.
 449         (instantiate_scev_r): Also handle ARRAY_REFs.
 450
 451 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 452
 453         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 454         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 455         RESULT_DECL, and FIELD_DECL.  Return false for an
 456         SSA_NAME_IS_DEFAULT_DEF.
 457         (compute_scalar_evolution_in_loop): Do not further analyze the
 458         scalar evolution when no_evolution_in_loop_p returns true.
 459
 460 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 461
 462         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 463         whether CHREC_LEFT is invariant.  A function is affine when
 464         CHREC_RIGHT is invariant.
 465
 466 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 469         is_gimple_reg.
 470         (rewrite_degenerate_phi): Same.
 471         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 472
 473 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 474
 475         * graphite-scop-detection.c (graphite_can_represent_scev,
 476         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 477         graphite_can_represent_loop): Remove outermost_loop.
 478
 479 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 480
 481         PR middle-end/45229
 482         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 483         handle GIMPLE_CALLs with no LHS.
 484
 485 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 486             Sebastian Pop  <sebastian.pop@amd.com>
 487
 488         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 489         Call remove-build-file to clean up the generated *.graphite files.
 490
 491 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 492
 493         * doc/invoke.texi (debugging options): Update documentation.
 494         (-floop-interchange): Same.
 495         (-flopp-strip-mine): Same.
 496         (-floop-block): Same.
 497         (-fgraphite-read): Add documentation.
 498         (-fgraphite-write): Same.
 499
 500 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 501
 502         * toplev.c (process_options): Disable graphite loop optimization
 503         options when -fgraphite-read flag is used.
 504
 505 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 506
 507         * graphite-poly.c (init_graphite_out_file): New.
 508         (init_graphite_in_file): New.
 509         (apply_poly_transforms): Updated to enable reading and writing of
 510         multiple scop files.
 511         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 512
 513 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 514
 515         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 516         redundant checks.
 517
 518 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 519
 520         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 521         computation of precision by 1.
 522
 523 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 524
 525         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 526         (openscop_read_polyhedron_matrix): New.
 527         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 528         (openscop_read_N_int): Same.
 529         * graphite-poly.c (openscop_read_N_int): New.
 530         (openscop_read_one_int): New.
 531         (openscop_read_N_string): New.
 532         (openscop_read_one_string): New.
 533         (openscop_read_powerset_matrix): New.
 534         (graphite_read_transforms): Remove.
 535         (graphite_read_scatt): New.
 536         (graphite_read_scop_file): New.
 537         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 538
 539 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 540
 541         * graphite-poly.c: Change include order.
 542
 543 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 544
 545         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 546         (cloog_matrix_nrows): New.
 547
 548 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 549
 550         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 551         from matrix lines.
 552         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 553         (print_scattering_function_1): Same.
 554         (openscop_print_pbb_domain): Same.
 555         (openscop_print_scop_context): Same.
 556         (print_scop_context): Same.
 557
 558 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 559
 560         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 561         (openscop_print_pdr_polyhedron): Print pph.
 562
 563 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 564
 565         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 566         * gfortran.dg/graphite/graphite.exp: Same.
 567         * gcc.dg/graphite/vect-pr43423.c: New.
 568
 569 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 572         priority signed types.
 573
 574 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 575
 576         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 577         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 578
 579 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 580
 581         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 582         (openscop_print_polyhedron_matrix): New.
 583         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 584         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 585         (openscop_print_pdr_powerset): New.
 586         (openscop_print_powerset_matrix): New.
 587         (openscop_print_scattering_function_1): New.
 588         (print_scattering_function): Add support for scattering names and
 589         OpenScop format.
 590         (graphite_write_transforms): Remove.
 591         (apply_poly_transforms): Updated to call print_scop.
 592         (print_pdr_access_layout): Updated to support OpenScop format.
 593         (print_pdr): Same.
 594         (openscop_print_pbb_domain): New.
 595         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 596         not provided.
 597         (print_pbb): Updated to call the new print_pbb_body.
 598         (openscop_print_scop_context): New.
 599         (print_scop_header): New.
 600         (print_scop): Updated to call print_scop_header.
 601         * graphite-poly.h: Document OpenScop format.
 602
 603 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 606         the case removed in the previous patch, when the only phi argument
 607         is defined in the same loop as the phi node itself.  Handle it
 608         separately from the invariant case by both propagating it outside
 609         the region and replacing the phi node with an assign.
 610
 611 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 612
 613         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 614         constant phi nodes with one argument are is_gimple_min_invariant
 615         and SSA_NAME_IS_DEFAULT_DEF.
 616
 617         * gfortran.dg/graphite/id-22.f: New.
 618
 619 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 620
 621         * graphite.c (graphite_initialize): Do not initialize
 622         CLooG and initialize the Parma Polyhedra Library
 623         manually when using CLOOG_ORG.
 624         (graphite_finalize): Do not finalize CLooG and finalize
 625         the Parma Polyhedra Library manually when using CLOOG_ORG.
 626         * graphite-cloog-compat.h (cloog_initialize): Hide function
 627         when using CLOOG_ORG.
 628         (cloog_finalize): Same.
 629
 630 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 631
 632         * graphite-clast-to-gimple.c (free_scattering): Change
 633         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 634         (CLOOG_ORG).
 635         (build_cloog_prog): Same.
 636         * graphite-cloog-compat.h (cloog_domain): Removed.
 637         (cloog_scattering): New.
 638         (cloog_set_domain): Removed.
 639         (cloog_set_scattering): New.
 640         (cloog_next_domain): Removed.
 641         (cloog_next_scattering): New.
 642         (cloog_set_next_domain): Removed.
 643         (cloog_set_next_scattering): New.
 644         (CloogScatteringList): New.
 645         (CloogScattering): New.
 646         (cloog_scattering_free): New.
 647         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 648         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 649         New.
 650
 651 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 652
 653         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 654         CloogState.
 655         (set_cloog_options): Same.
 656         (print_clast_stmt): Same.
 657         (scop_to_clast): Same.
 658         (print_generated_program): Same.
 659         (gloog): Same.
 660         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 661         (scop_to_clast): Extend with CloogState.
 662         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 663         (new_Cloog_Domain_from_ppl_Polyhedron):
 664         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 665         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 666         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 667         * graphite-cloog-util.h (build_cloog_prog): Same.
 668         * graphite-cloog-copat.h (build_cloog_prog): New.
 669         (CloogState): New.
 670         (cloog_state_malloc): New.
 671         (cloog_state_free): New.
 672         (cloog_loop_malloc): New.
 673         (cloog_options_malloc): New.
 674         (cloog_statement_alloc): New.
 675         (cloog_domain_from_cloog_matrix): New.
 676         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 677         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 678
 679 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 680
 681         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 682         type of NAME now depends on used CLooG version.
 683         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 684         (gcc_type_for_clast_expr): Same.
 685         (print_clast_stmt): Replace pprint with clast_pprint.
 686         * graphite-cloog-compat.h: Provide compatibility macros for
 687         CLooG Legacy.
 688         (clast_name_p): New.
 689         (clast_expr_term): New.
 690         (clast_expr_red): New.
 691         (clast_expr_bin): New.
 692         (clast_pprint): New.
 693
 694 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 695
 696         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 697         compatible to newer CLooG releases (CLOOG_ORG).
 698         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 699         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 700         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 701         (build_cloog_prog) : New.
 702         (cloog_program_extract_scalars): New.
 703         (cloog_program_scatter): New.
 704
 705 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 706
 707         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 708         conditionally (CLOOG_ORG).
 709         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 710         (cloog_statement_usr): New.
 711         (cloog_domain): Same.
 712         (cloog_set_domain): Same.
 713         (cloog_next_domain): Same.
 714         (cloog_set_next_domain): Same.
 715         (cloog_program_nb_scattdims): Same.
 716         (cloog_program_set_nb_scattdims): Same.
 717         (cloog_program_names): Same.
 718         (cloog_program_set_names): Same.
 719         (cloog_program_set_context): Same.
 720         (cloog_program_set_loop): Same.
 721         (cloog_program_blocklist): Same.
 722         (cloog_program_set_blocklist): Same.
 723         (cloog_program_scaldims): Same.
 724         (cloog_program_set_scaldims): Same.
 725         (cloog_names_nb_parameters): Same.
 726         (cloog_names_set_nb_parameters): Same.
 727         (cloog_names_parameters): Same.
 728         (cloog_names_set_parameters): Same.
 729         (cloog_names_set_nb_iterators): Same.
 730         (cloog_names_set_iterators): Same.
 731         (cloog_names_set_nb_scattering): Same.
 732         (cloog_names_set_scattering): Same.
 733         (cloog_statement_set_usr): Same.
 734         (cloog_loop_set_next): Same.
 735         (cloog_loop_set_domain): Same.
 736         (cloog_loop_set_block): Same.
 737         (cloog_block_list_next): Same.
 738         (cloog_block_list_set_next):
 739         (cloog_block_list_set_block): Same.
 740
 741 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 742
 743         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 744         a bool.
 745         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 746         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 747         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 748         when something has been changed.
 749         (rewrite_commutative_reductions_out_of_ssa): Same.
 750
 751         * gcc.dg/graphite/id-26.c: New.
 752
 753 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 754
 755         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 756         handle the case when def is in the sese region.
 757         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 758         for invariant expressions.
 759         (rewrite_cross_bb_phi_deps): Removed.
 760         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 761         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 762         rewrite_cross_bb_phi_deps.
 763
 764 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * graphite-sese-to-poly.c
 767         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 768         scev_analyzable_p only on is_gimple_reg
 769
 770         * gcc.dg/graphite/id-25.c: New.
 771
 772 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 773
 774         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 775         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 776         parametric expressions outside the scop region.
 777         (rewrite_cross_bb_scalar_deps): Same.
 778         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 779
 780         * gcc.dg/graphite/run-id-5.c: New.
 781         * gcc.dg/graphite/run-id-6.c: New.
 782         * gfortran.dg/graphite/id-21.f: New.
 783
 784 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 785
 786         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 787         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 788
 789         * gcc.dg/graphite/id-24.c: New.
 790
 791 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 792
 793         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 794         instantiate default definitions.
 795
 796 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 797
 798         * graphite-scop-detection.c (is_valid_stmt_p): New.
 799         (is_valid_bb_p): New.
 800
 801 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 802             Sebastian Pop  <sebastian.pop@amd.com>
 803
 804         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 805         (loop_exits_from_bb_p): New.
 806         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 807         (loop_exits_from_bb_p): Declared.
 808         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 809         loop_exits_to_bb_p.
 810
 811 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 812
 813         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 814         tree-data-ref.h.
 815         (dot_regions_1): New.
 816         (dot_regions): New.
 817         * refined-regions.h (dot_regions): Declared.
 818         * Makefile.in (refined-regions.o): Update dependences.
 819
 820 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 821
 822         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 823         extra parameter for the region.  Call scev_analyzable_p.
 824         (rewrite_reductions_out_of_ssa): Update call to
 825         rewrite_close_phi_out_of_ssa.
 826         (rewrite_cross_bb_phi_deps): Same.
 827         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 828         parameter for the region.  Call scev_analyzable_p.
 829         (rewrite_commutative_reductions_out_of_ssa): Update call to
 830         rewrite_commutative_reductions_out_of_ssa_loop.
 831
 832 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 833
 834         * gcc.dg/tree-ssa/pr20742.c: New.
 835
 836 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 837
 838         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 839
 840         * gcc.dg/graphite/id-23.c: New.
 841
 842 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 843
 844         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 845         SSA scalar phi nodes that can be scev_analyzable_p.
 846
 847         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 848
 849 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 850
 851         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 852         handle SSA_NAME_IS_DEFAULT_DEF.
 853
 854 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 855
 856         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 857
 858         * gcc.dg/graphite/pr42729.c: New.
 859
 860 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 863         case non close-phi nodes with one argument.
 864
 865 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 866
 867         * sese.h (scev_analyzable_p): Scevs could be expressions without
 868         chrecs and still be scev_analyzable_p.
 869
 870 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 871
 872         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 873
 874 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 875
 876         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 877         * cfgloop.h (struct loop): Remove single_iv field.
 878         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 879         (scop_canonicalize_loops): Removed.
 880         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 881         over all the loop phi nodes in loop->header.
 882         (build_poly_scop): Remove use of scop_canonicalize_loops.
 883
 884 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 887         handle GIMPLE_CALL.
 888
 889 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         * tree-chrec.c (chrec_apply): Should only apply to the specified
 892         variable.  Also handle multivariate chains of recurrences that
 893         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 894
 895 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 896
 897         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 898         (debug_clast_name_indexes_1): Removed.
 899         (debug_clast_name_indexes): Removed.
 900         (pbb_to_depth_to_oldiv): Removed.
 901         (build_iv_mapping): Replace the use of rename_map with iv_map.
 902         (translate_clast_user): Remove uses of rename_map.  Allocate and
 903         free iv_map.
 904         (translate_clast_for_loop): Remove uses of rename_map.
 905         (translate_clast_for): Same.
 906         (translate_clast_guard): Same.
 907         (translate_clast): Same.
 908         (gloog): Same.
 909         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 910         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 911         * sese.c (set_rename): Now static.
 912         (rename_variables_in_stmt): Removed.
 913         (rename_uses): New.
 914         (is_parameter): Removed.
 915         (is_iv): Removed.
 916         (expand_scalar_variables_call): Removed.
 917         (expand_scalar_variables_ssa_name): Removed.
 918         (expand_scalar_variables_expr): Removed.
 919         (expand_scalar_variables_stmt): Removed.
 920         (expand_scalar_variables): Removed.
 921         (rename_variables): Removed.
 922         (remove_condition): Removed.
 923         (get_true_edge_from_guard_bb): Removed.
 924         (get_false_edge_from_guard_bb): Removed.
 925         (struct igp): Removed.
 926         (default_before_guard): Removed.
 927         (convert_for_phi_arg): Removed.
 928         (add_guard_exit_phis): Removed.
 929         (insert_guard_phis): Removed.
 930         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 931         region.  Do not copy conditions.  Do not copy induction variables.
 932         Call rename_uses.
 933         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 934         the translated statement.  Use the iv_map for the induction
 935         variable renaming.
 936         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 937         (set_rename): Removed declaration.
 938         (scev_analyzable_p): ...here.
 939         * tree-chrec.c (chrec_apply_map): New.
 940         * tree-chrec.h (chrec_apply_map): Declared.
 941
 942 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 945         insert_loop_close_phis.
 946         * sese.c (name_defined_in_loop_p): Removed.
 947         (expr_defined_in_loop_p): Removed.
 948         (alive_after_loop): Removed.
 949         (close_phi_not_yet_inserted_p): Removed.
 950         (struct alep): Removed.
 951         (add_loop_exit_phis): Removed.
 952         (insert_loop_close_phis): Removed.
 953
 954 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 955
 956         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 957         condition.
 958         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 959
 960 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 961
 962         * gfortran.dg/graphite/id-20.f: New.
 963
 964 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 965
 966         * graphite-cloog-util.h: Added cloog.h.
 967         * graphite-blocking.c: Removed cloog.h.
 968         * graphite-dependences.c: Same.
 969         * graphite-interchange.c: Same.
 970         * graphite-poly.c: Same.
 971         * graphite-ppl.c: Same.
 972         * graphite-scop-detection.c: Same.
 973         * graphite-sese-to-poly.c:
 974         Removed cloog.h.
 975         Removed graphite-clast-to-gimple.h.
 976         (check_poly_representation): Removed (unused).
 977         * graphite-sese-to-poly.h
 978         (check_poly_representation): Removed (unused).
 979
 980 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 981
 982         * Makefile.in
 983         (OBJS-common): Added graphite-cloog-util.o.
 984         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 985         (graphite-cloog-util.o): New.
 986         (graphite-ppl.o): Added graphite-cloog-util.h.
 987         * graphite-clast-to-gimple.c:
 988         Added graphite-cloog-util.h to include statements.
 989         * graphite-cloog-util.c: New.
 990         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 991         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 992         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 993         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 994         (ppl_Constrain_System_number_of_constraints): Same.
 995         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 996         (oppose_constraint): Same.
 997         (cloog_matrix_to_ppl_constraint): Same.
 998         (new_Constraint_System_from_Cloog_Matrix): Same.
 999         (insert_constraint_into_matrix): Same. Declared static.
1000         * graphite-cloog-util.h: New.
1001         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
1002         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1003         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1004         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1005         (insert_constraint_into_matrix): Same.
1006         * graphite-ppl.c:
1007         Added graphite-cloog-util.h to include statements.
1008         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
1009         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1010         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1011         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1012         (insert_constraint_into_matrix): Same.
1013         (ppl_Constrain_System_number_of_constraints): Same.
1014         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1015         (oppose_constraint): Same.
1016         (cloog_matrix_to_ppl_constraint): Same.
1017         (new_Constraint_System_from_Cloog_Matrix): Same.
1018         * graphite-ppl.h:
1019         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
1020         graphite-cloog-util.h.
1021         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1022         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1023         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1024         (insert_constraint_into_matrix): Removed.
1025
1026 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1027
1028         * graphite-clast-to-gimple.c
1029         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
1030         (precision_for_interval): Same.
1031         (gcc_type_for_interval): Same.
1032         (compute_type_for_level): Same.
1033         * graphite-interchange.c
1034         (lst_interchange_profitable_p): Same.
1035         * graphite-poly.c
1036         (psct_scattering_dim_for_loop_depth): Same.
1037         * graphite-ppl.c
1038         (ppl_max_for_le_pointset): Same.
1039         (ppl_min_for_le_pointset): Same.
1040
1041 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
1042
1043         * refined-regions.c (bb_index_compare): New.
1044         (get_bbs_in_region): New.
1045         (print_bbs_in_region): New.
1046         (print_refined_region): Add an argument that allows to print
1047         all basic blocks contained in regions.
1048         (debug_refined_region): Update call to print_refined_region.
1049         * refined-regions.h (print_refined_region): Update declaration.
1050         (get_bbs_in_region): Declared.
1051         * graphite-scop-detection.c (build_scops_new): Print the refined
1052         region tree into the Grahite dump file.
1053
1054 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
1057         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
1058
1059 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
1062         rewrite_close_phi_out_of_ssa.
1063
1064         * gcc.dg/graphite/id-22.c: New.
1065
1066 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
1069
1070 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1071
1072         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
1073         rename_map.
1074         * sese.c (debug_rename_map): Same.
1075         (get_rename): Same.
1076         (set_rename): Same.
1077         (rename_variables_in_stmt): Same.
1078         (expand_scalar_variables_call): Same.
1079         (expand_scalar_variables_ssa_name): Same.
1080         (expand_scalar_variables_expr): Same.
1081         (expand_scalar_variables_stmt): Same.
1082         (expand_scalar_variables): Same.
1083         (rename_variables): Same.
1084         (graphite_copy_stmts_from_block): Same.
1085         (copy_bb_and_scalar_dependences): Same.
1086
1087 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1088
1089         * graphite-clast-to-gimple.c (copy_renames): Removed.
1090         (translate_clast_for): Do not call copy_renames.
1091         (translate_clast_guard): Same.
1092
1093 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
1096         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
1097         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
1098         before rewrite_cross_bb_scalar_deps.
1099
1100 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
1103         Early return in when flag_associative_math is not set.
1104
1105 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * gcc.dg/graphite/run-id-2.c: Call abort.
1108
1109 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
1112         of SSA copies on edges except for loop->latch.
1113
1114 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
1117         Split out of rewrite_reductions_out_of_ssa.
1118         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
1119         Declared.
1120         * graphite.c (graphite_transform_loops): Call it.
1121
1122 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
1125
1126 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
1127
1128         * passes.c (init_optimization_passes): Add pass_graphite.
1129         Schedule a pass_copy_prop before pass_graphite_transforms.
1130         * timevar.def (TV_GRAPHITE): Declared.
1131         * tree-pass.h (pass_graphite): Declared.
1132         * tree-ssa-loop.c (pass_graphite): New.
1133
1134         * gcc.dg/graphite/id-20.c: New.
1135
1136 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
1139         Remove calls to rename_nb_iterations and rename_sese_parameters.
1140         * graphite-clast-to-gimple.h (gloog): Update declaration.
1141         * graphite.c (graphite_transform_loops): Update call to gloog.
1142         * sese.c (rename_variables_in_expr): Removed.
1143         (rename_nb_iterations): Removed.
1144         (rename_sese_parameters): Removed.
1145         * sese.h (rename_nb_iterations): Removed.
1146         (rename_sese_parameters): Removed.
1147
1148 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1149
1150         * graphite-clast-to-gimple.c (gloog): Remove call to
1151         sese_adjust_liveout_phis.
1152         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
1153         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
1154         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
1155         rewrite_phi_out_of_ssa.
1156         * sese.c (get_vdef_before_sese): Removed.
1157         (sese_adjust_vphi): Removed.
1158         (sese_adjust_liveout_phis): Removed.
1159         * sese.h (sese_adjust_liveout_phis): Removed.
1160
1161 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1162
1163         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
1164         argument for the place after which to insert the out of SSA copy.
1165         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
1166         (rewrite_phi_out_of_ssa): Same.
1167         (rewrite_cross_bb_scalar_deps): Same.
1168         (insert_copyout): Removed.
1169         (insert_copyin): Removed.
1170         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
1171         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
1172         insert_copyin.
1173
1174 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
1177         (rewrite_reductions_out_of_ssa): Same.
1178         (rewrite_commutative_reductions_out_of_ssa): Same.
1179         (build_poly_scop): Do not call these functions.
1180         * graphite-sese-to-poly.h (build_poly_scop): Declared.
1181         (rewrite_reductions_out_of_ssa): Declared.
1182         (rewrite_commutative_reductions_out_of_ssa): Declared.
1183         * graphite.c (graphite_transform_loops): Call on every scop
1184         rewrite_commutative_reductions_out_of_ssa before calling
1185         rewrite_reductions_out_of_ssa and build_scop_bbs.
1186
1187 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1188
1189         * graphite-dependences.c (dot_deps): Make system call to dotty run
1190         in background.
1191         (dot_deps_stmt): Same.
1192         * graphite-poly.c (dot_lst): Same.
1193
1194 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1197         old_type in parameter.
1198         (gcc_type_for_value): Update call to gcc_type_for_interval.
1199         (compute_type_for_level_1): Renamed compute_type_for_level.
1200         Update call to gcc_type_for_interval.
1201
1202 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1205         the scev analysis when the variable is not used outside the loop
1206         in a close phi node: call compute_overall_effect_of_inner_loop.
1207
1208 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1211         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1212         (build_sese_conditions_before): Renamed call to single_pred_cond.
1213         (build_sese_conditions_after): Same.
1214
1215 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1216
1217         * graphite-poly.h: Fix comments and indentation.
1218         * graphite-sese-to-poly.c: Same.
1219         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1220         * tree-chrec.c: Fix comments and indentation.
1221         (tree-ssa-loop-niter.c): Same.
1222
1223 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1224
1225         * refined-regions.c (create_region): Only initialize the region.
1226         (find_regions_with_entry): Initialize parent relation and bbmap
1227         correctly.
1228         (build_regions_tree): Set outermost_region to region instead of
1229         topmost_region.
1230         (calculate_region_tree): Remove unneeded parameters.
1231
1232 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1233
1234         * graphite-scop-detection.c (is_scop_p): New.
1235         (build_scops_new): New. A skeleton for the new scop detection.
1236         (build_scops_old): Renamed from build_scops.
1237         (build_scops): New version. Call the new and the old scop
1238         detection.
1239
1240 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1241             Antoniu Pop  <antoniu.pop@gmail.com>
1242
1243         * Makefile.in (OBJS-common): Add refined-regions.o.
1244         (refined-regions.o): New.
1245         (graphite-scop-detection.o): Use refined-regions.h.
1246         * graphite-scop-detection.c: Include refined-regions.h
1247         (build_scops): Also build the refined region tree.
1248         * refined-regions.c: New. Adds an algorithm to detect refined
1249         regions.
1250         (print_refined_region): New.
1251         (debug_refined_region): New.
1252         (refined_region_contains_bb_p): New.
1253         (refined_region_contains_region_p): New.
1254         (is_common_df): New.
1255         (struct find_regions_global_data): New.
1256         (is_region): New.
1257         (typedef struct bb_bb_def): New.
1258         (new_bb_bb_def): New.
1259         (bb_bb_map_hash): New.
1260         (eq_bb_bb_map): New.
1261         (find_new_bb): New.
1262         (bb_reg_def): New.
1263         (new_bb_reg_def): New.
1264         (bb_reg_map_hash): New.
1265         (eq_bb_reg_map): New.
1266         (find_new_region): New.
1267         (insert_new_reg): New.
1268         (insert_new_bb): New.
1269         (insert_shortcut): New.
1270         (get_next_postdom): New.
1271         (create_region): New.
1272         (find_regions_with_entry): New.
1273         (find_regions_adc): New.
1274         (find_regions): New.
1275         (get_topmost_parent): New.
1276         (build_regions_tree): New.
1277         (calculate_region_tree): New.
1278         (free_region_tree): New.
1279         * refined-regions.h: New.
1280         (struct refined_region): New.
1281         (calculate_region_tree): New.
1282         (free_region_tree): New.
1283         (refined_region_contains_bb_p): New.
1284         (refined_region_contains_region_p): New.
1285         (print_refined_region): New.
1286         (debug_refined_region): New.
1287
1288 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1291         size_one_node.
1292
1293 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1296         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1297
1298 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1301         phi_arg_in_outermost_loop.
1302         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1303         (remove_invariant_phi): Same.
1304
1305 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1306
1307         * graphite-blocking.c
1308         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1309         * graphite-clast-to-gimple.c
1310         (clast_to_gcc_expression): Same.
1311         (precision_for_value): Same.
1312         (precision_for_interval): Same.
1313         (gcc_type_for_interval): Same.
1314         (graphite_create_new_guard): Same.
1315         (compute_bounds_for_level): Same.
1316         (graphite_create_new_loop_guard): Same.
1317         * graphite-interchange.c
1318         (build_linearized_memory_access): Same.
1319         (pdr_stride_in_loop): Same.
1320         (memory_strides_in_loop_1): Same.
1321         (memory_strides_in_loop): Same.
1322         (extend_scattering): Same.
1323         (psct_scattering_dim_for_loop_depth): Same.
1324         (pbb_number_of_iterations): Same.
1325         * graphite-poly.h
1326         (debug_iteration_domains): Same.
1327         * graphite-ppl.c
1328         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1329         (ppl_set_inhomogeneous_gmp): Same.
1330         (ppl_strip_loop): Same.
1331         (ppl_lexico_compare_linear_expressions): Same.
1332         (ppl_read_polyhedron_matrix): Same.
1333         (ppl_max_for_le_pointset): Same.
1334         * graphite-ppl.h
1335         (ppl_read_polyhedron_matrix): Same.
1336         (tree_int_to_gmp): Same.
1337         (gmp_cst_to_tree): Same.
1338         (ppl_set_inhomogeneous): Same.
1339         (ppl_set_inhomogeneous_tree): Same.
1340         (ppl_set_coef): Same.
1341         (ppl_set_coef_tree): Same.
1342         * graphite-sese-to-poly.c
1343         (build_pbb_scattering_polyhedrons): Same.
1344         (build_scop_scattering): Same.
1345         (scan_tree_for_params_right_scev): Same.
1346         (scan_tree_for_params): Same.
1347         (find_params_in_bb): Same.
1348         (find_scop_parameters): Same.
1349         (add_upper_bounds_from_estimated_nit): Same.
1350         (build_loop_iteration_domains): Same.
1351         (add_condition_to_domain): Same.
1352         (pdr_add_memory_accesses): Same.
1353
1354 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1355
1356         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1357         CLooG's value_* macros to their respective mpz_* counterparts.
1358         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1359         (graphite_create_new_loop_guard): Same.
1360         * graphite-interchange.c (build_linearized_memory_access): Same.
1361         (pdr_stride_in_loop): Same.
1362         (memory_strides_in_loop_1): Same.
1363         (1st_interchange_profitable_p): Same.
1364         * graphite-poly.c (extend_scattering): Same.
1365         (psct_scattering_dim_for_loop_depth): Same.
1366         (pbb_number_of_iterations): Same.
1367         (pbb_number_of_iterations_at_time): Same.
1368         * graphite-poly.h (new_1st_loop): Same.
1369         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1370         (oppose_constraint): Same.
1371         (insert_constraint_into_matrix): Same.
1372         (ppl_set_inhomogeneous_gmp): Same.
1373         (ppl_set_coef_gmp): Same.
1374         (ppl_strip_loop): Same.
1375         (ppl_lexico_compare_linear_expressions): Same.
1376         (ppl_max_for_le_pointset): Same.
1377         (ppl_min_for_le_pointset): Same.
1378         (ppl_build_realtion): Same.
1379         * graphite-ppl.h (gmp_cst_to_tree): Same.
1380         (ppl_set_inhomogeneous): Same.
1381         (ppl_set_inhomogeneous_tree): Same.
1382         (ppl_set_coef): Same.
1383         (ppl_set_coef_tree): Same.
1384         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1385         (build_scop_scattering): Same.
1386         (add_value_to_dim): Same.
1387         (scan_tree_for_params_right_scev): Same.
1388         (scan_tree_for_params_int): Same.
1389         (scan_tree_for_params): Same.
1390         (find_params_in_bb): Same.
1391         (find_scop_parameters): Same.
1392         (add_upper_bounds_from_estimated_nit): Same.
1393         (build_loop_iteration_domains): Same.
1394         (create_linear_expr_from_tree): Same.
1395         (add_condition_to_domain): Same.
1396         (pdr_add_memory_accesses): Same.
1397
1398 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1399
1400         PR middle-end/43519
1401         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1402         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1403         When converting an unsigned type to signed, double its precision.
1404         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1405         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1406         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1407
1408 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         PR middle-end/43519
1411         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1412         build_nonstandard_integer_type.
1413         (gcc_type_for_interval): Same.
1414
1415 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1416
1417         PR middle-end/43519
1418         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1419         POINTER_PLUS_EXPR for pointer types.
1420
1421         * gcc.dg/graphite/id-19.c: New.
1422
1423 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1424
1425         PR middle-end/43519
1426         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1427         * graphite-clast-to-gimple.c: Include langhooks.h.
1428         (max_signed_precision_type): New.
1429         (max_precision_type): Takes two types as arguments.
1430         (precision_for_value): New.
1431         (precision_for_interval): New.
1432         (gcc_type_for_interval): New.
1433         (gcc_type_for_value): New.
1434         (gcc_type_for_clast_term): New.
1435         (gcc_type_for_clast_red): New.
1436         (gcc_type_for_clast_bin): New.
1437         (gcc_type_for_clast_expr): Split up into several functions.
1438         (gcc_type_for_clast_eq): Rewritten.
1439         (compute_bounds_for_level): New.
1440         (compute_type_for_level_1): New.
1441         (compute_type_for_level): New.
1442         (gcc_type_for_cloog_iv): Removed.
1443         (gcc_type_for_iv_of_clast_loop): Rewritten.
1444         (graphite_create_new_loop): Compute the lower and upper bound types
1445         with gcc_type_for_clast_expr.
1446         (graphite_create_new_loop_guard): Same.
1447         (find_cloog_iv_in_expr): Removed.
1448         (compute_cloog_iv_types_1): Removed.
1449         (compute_cloog_iv_types): Removed.
1450         (gloog): Do not call compute_cloog_iv_types.
1451         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1452         GBB_CLOOG_IV_TYPES.
1453         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1454         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1455         (GBB_CLOOG_IV_TYPES): Removed.
1456
1457         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1458
1459 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         Reverted this commit: as at this point the loop closed SSA form
1462         is under a canonical form respecting the single argument condition.
1463         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1464         close phi nodes may have more than one argument.
1465
1466 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1469         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1470         (detect_commutative_reduction): Same.
1471
1472 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1473
1474         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1475         close phi nodes may have more than one argument.
1476
1477 2010-03-30  Richard Guenther  <rguenther@suse.de>
1478             Zdenek Dvorak  <ook@ucw.cz>
1479             Sebastian Pop  <sebastian.pop@amd.com>
1480
1481         PR middle-end/43464
1482         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1483         with multiple arguments.
1484         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1485
1486 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1487
1488         * graphite-dependences.c (print_pddr): Call print_pdr with an
1489         extra argument.
1490         * graphite-poly.c (debug_pdr): Add an extra argument for the
1491         verbosity level.
1492         (print_pdr): Same.
1493         (print_pbb_domain): Same.
1494         (print_pbb): Same.
1495         (print_scop_context): Same.
1496         (print_scop): Same.
1497         (print_cloog): Same.
1498         (debug_pbb_domain): Same.
1499         (debug_pbb): Same.
1500         (print_pdrs): Same.
1501         (debug_pdrs): Same.
1502         (debug_scop_context): Same.
1503         (debug_scop): Same.
1504         (debug_cloog): Same.
1505         (print_scop_params): Same.
1506         (debug_scop_params): Same.
1507         (print_iteration_domain): Same.
1508         (print_iteration_domains): Same.
1509         (debug_iteration_domain): Same.
1510         (debug_iteration_domains): Same.
1511         (print_scattering_function): Same.
1512         (print_scattering_functions): Same.
1513         (debug_scattering_function): Same.
1514         (debug_scattering_functions): Same.
1515         * graphite-poly.h (debug_pdr): Update declaration.
1516         (print_pdr): Same.
1517         (print_pbb_domain): Same.
1518         (print_pbb): Same.
1519         (print_scop_context): Same.
1520         (print_scop): Same.
1521         (print_cloog): Same.
1522         (debug_pbb_domain): Same.
1523         (debug_pbb): Same.
1524         (print_pdrs): Same.
1525         (debug_pdrs): Same.
1526         (debug_scop_context): Same.
1527         (debug_scop): Same.
1528         (debug_cloog): Same.
1529         (print_scop_params): Same.
1530         (debug_scop_params): Same.
1531         (print_iteration_domain): Same.
1532         (print_iteration_domains): Same.
1533         (debug_iteration_domain): Same.
1534         (debug_iteration_domains): Same.
1535         (print_scattering_function): Same.
1536         (print_scattering_functions): Same.
1537         (debug_scattering_function): Same.
1538         (debug_scattering_functions): Same.
1539
1540 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1541
1542         * graphite-poly.c (print_scattering_function_1): New.
1543         (print_scattering_function): Call it.
1544         (print_scop_params): Remove spaces at the end of lines.
1545         (print_cloog): New.
1546         (debug_cloog): New.
1547         * graphite-poly.h (print_cloog): Declared.
1548         (debug_cloog): Declared.
1549
1550 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1551
1552         * tree-ssa-copy.c: Revert this previous change:
1553         (init_copy_prop): Loop closed phi nodes cancontain more than one
1554         argument.
1555         (execute_copy_prop): Revert the previous change: do not call
1556         rewrite_into_loop_closed_ssa.
1557
1558 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1559             Richard Guenther  <rguenther@suse.de>
1560
1561         PR middle-end/43464
1562         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1563         contain more than one argument.
1564         (execute_copy_prop): Revert the previous change: do not call
1565         rewrite_into_loop_closed_ssa.
1566
1567         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1568         * gcc.dg/graphite/id-pr43464-1.c: New.
1569
1570 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1571
1572         PR middle-end/43464
1573         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1574         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1575
1576         * gcc.dg/graphite/id-pr43464.c: New.
1577
1578 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1579
1580         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1581         in loop->header.
1582         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1583         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1584         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1585         to switch between adding the IV bump in loop->latch or in loop->header.
1586
1587 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1588
1589         * passes.c (init_optimization_passes): Add pass_copy_prop
1590         after Graphite.
1591
1592 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1593
1594         * graphite-poly.c (print_scattering_function): Pretty print following
1595         the scoplib format.
1596         (print_pdr): Same.
1597         (print_pbb_domain): Same.
1598         (dump_gbb_cases): Same.
1599         (dump_gbb_conditions): Same.
1600         (print_pdrs): Same.
1601         (print_pbb): Same.
1602         (print_scop_params): Same.
1603         (print_scop_context): Same.
1604         (print_scop): Same.
1605         (print_pbb_body): New.
1606         (lst_indent_to): New.
1607         (print_lst): Start new lines with a #.
1608         * graphite-poly.h (pbb_bb): New.
1609         (pbb_index): Use pbb_bb.
1610         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1611         disjuncts.
1612         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1613
1614 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         PR middle-end/43351
1617         * gcc.dg/graphite/id-pr43351.c
1618
1619 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1620
1621         PR middle-end/43354
1622         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1623         call insert_out_of_ssa_copy for default definitions.
1624         * gfortran.dg/graphite/id-pr43354.f: New.
1625
1626 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         PR middle-end/43349
1629         * gfortran.dg/graphite/pr43349.f: New.
1630
1631 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1632
1633         * graphite-clast-to-gimple.c (my_long_long): Defined.
1634         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1635         * graphite-sese-to-poly.c (my_long_long): Defined.
1636         (scop_ivs_can_be_represented): Use it.
1637
1638 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1641         graphite-max-bbs-per-function, and loop-block-tile-size.
1642         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1643         with "maximum".
1644         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1645
1646 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1649         forward declaration.
1650         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1651         (add_upper_bounds_from_estimated_nit): New.
1652         (build_loop_iteration_domains): Use it.
1653
1654 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1657
1658 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1659
1660         PR middle-end/43306
1661         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1662         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1663         * gcc.dg/graphite/pr43306.c: New.
1664
1665 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1666
1667         * graphite.c (graphite_initialize): To bound the number of bbs per
1668         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1669         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1670         * doc/invoke.texi: Document it.
1671
1672 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1675         * graphite-sese-to-poly.h (build_poly_scop): Same.
1676
1677 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1678
1679         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1680         the number of parameters in the scop.  Use as an upper bound
1681         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1682         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1683         * doc/invoke.texi: Document it.
1684
1685 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * graphite-sese-to-poly.c (add_param_constraints): Use
1688         lower_bound_in_type and upper_bound_in_type.
1689
1690 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1691
1692         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1693         instead of unsigned_type_node.
1694
1695 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1696             Reza Yazdani  <reza.yazdani@amd.com>
1697
1698         PR middle-end/43065
1699         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1700         on pointer type parameters.
1701
1702         * gcc.dg/graphite/run-id-4.c: New.
1703
1704 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1705
1706         PR middle-end/43065
1707         * gcc.dg/graphite/run-id-3.c: New.
1708
1709 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1710             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1711
1712         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1713         handle conversions from pointer to integers.
1714         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1715         induction variable, to be able to work with code generated by CLooG.
1716         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1717         (build_poly_scop): Bail out if we cannot codegen a loop.
1718
1719 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1720
1721         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1722         code generation with gloog_error.
1723
1724 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1725
1726         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1727         Call fold_convert on all the returned values.
1728         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1729         the type of the resulting expression.
1730
1731 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1734         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1735         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1736
1737 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-dependences.c (map_into_dep_poly): Removed.
1740         (dependence_polyhedron_1): Use combine_context_id_scat.
1741
1742 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1743
1744         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1745         (struct poly_bb): Same.
1746         (combine_context_id_scat): New.
1747
1748 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         PR middle-end/42326
1751         * sese.c (name_defined_in_loop_p): Return false for default
1752         definitions.
1753
1754         * gcc.dg/graphite/pr42326.c: New.
1755
1756 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1757
1758         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1759         and clean up the logic.
1760
1761 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1764         early return.
1765
1766 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         PR middle-end/43083
1769         * graphite-scop-detection.c (create_single_exit_edge): Move
1770         the call to find_single_exit_edge to....
1771         (create_sese_edges): ...here.  Don't handle multiple edges
1772         exiting the function.
1773         (build_graphite_scops): Don't handle multiple edges
1774         exiting the function.
1775
1776         * gcc.dg/graphite/pr43083.c: New.
1777
1778 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1779
1780         PR middle-end/43097
1781         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1782         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1783
1784         * gfortran.dg/graphite/pr43097.f: New.
1785
1786 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1787             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1788
1789         PR middle-end/43140
1790         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1791
1792 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         PR middle-end/43026
1795         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1796
1797         * g++.dg/graphite/pr43026.C: New.
1798
1799 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1800
1801         * Merge from mainline (154736:156693).
1802
1803 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         PR middle-end/43012
1806         * gcc.dg/graphite/pr43012.c: New.
1807
1808 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1811 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1812
1813         * g++.dg/graphite/pr42930.C: New.
1814
1815 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         PR middle-end/42930
1818         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1819         graphite_can_represent_init for MULT_EXPR.
1820
1821 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1822
1823         PR middle-end/42914
1824         PR middle-end/42530
1825         * graphite-sese-to-poly.c (remove_phi): New.
1826         (translate_scalar_reduction_to_array): Call remove_phi.
1827
1828         * gcc.dg/graphite/pr42530.c: New.
1829         * gcc.dg/graphite/pr42914.c: New.
1830
1831 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1832
1833         PR middle-end/42771
1834         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1835         * graphite-clast-to-gimple.h (gloog): Update declaration.
1836         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1837         * graphite-poly.h (struct poly_bb): Add missing comments.
1838         (struct scop): Add poly_scop_p field.
1839         (POLY_SCOP_P): New.
1840         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1841         * graphite.c (graphite_transform_loops): Build the polyhedral
1842         representation for each scop before code generation.
1843         * sese.c (rename_variables_in_operand): Removed.
1844         (rename_variables_in_expr): Return the renamed expression.
1845         (rename_sese_parameters): New.
1846         * sese.h (rename_sese_parameters): Declared.
1847
1848         * gcc.dg/graphite/pr42771.c: New.
1849
1850 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1853         return 0 from main.
1854         * gcc.dg/graphite/block-1.c: Same.
1855         * gcc.dg/graphite/block-3.c: Same.
1856         * gcc.dg/graphite/block-4.c: Same.
1857         * gcc.dg/graphite/block-5.c: Same.
1858         * gcc.dg/graphite/block-6.c: Same.
1859         * gcc.dg/graphite/block-7.c: Same.
1860         * gcc.dg/graphite/interchange-0.c: Same.
1861         * gcc.dg/graphite/interchange-1.c: Same.
1862         * gcc.dg/graphite/interchange-10.c: Same.
1863         * gcc.dg/graphite/interchange-11.c: Same.
1864         * gcc.dg/graphite/interchange-12.c: Same.
1865         * gcc.dg/graphite/interchange-2.c: Same.
1866         * gcc.dg/graphite/interchange-3.c: Same.
1867         * gcc.dg/graphite/interchange-4.c: Same.
1868         * gcc.dg/graphite/interchange-5.c: Same.
1869         * gcc.dg/graphite/interchange-6.c: Same.
1870         * gcc.dg/graphite/interchange-7.c: Same.
1871         * gcc.dg/graphite/interchange-8.c: Same.
1872         * gcc.dg/graphite/interchange-9.c: Same.
1873         * gcc.dg/graphite/interchange-mvt.c: Same.
1874
1875 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * gfortran.dg/graphite/id-19.f: New.
1878         * gfortran.dg/graphite/pr14741.f90: New.
1879         * gfortran.dg/graphite/pr41924.f90: New.
1880         * gfortran.dg/graphite/run-id-2.f90: New.
1881
1882 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1883
1884         PR middle-end/42988
1885         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1886         to unknown_dependence.
1887         (graphite_legal_transform_dr): Handle the unknown_dependence.
1888         (graphite_carried_dependence_level_k): Same.
1889
1890 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1893
1894 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1895             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1896
1897         PR middle-end/42637
1898         * graphite-dependences.c (build_lexicographical_constraint): Return
1899         a union of dependence polyhedra.
1900         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1901
1902         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1903         * gcc.dg/graphite/block-4.c: Same.
1904         * gcc.dg/graphite/block-7.c: Same.
1905         * gcc.dg/graphite/interchange-12.c: Same.
1906         * gcc.dg/graphite/interchange-mvt.c: Same.
1907         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1908         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1909         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1910
1911 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1914         the execution check to FAIL.  This testcase is miscompiled by Graphite
1915         and the check should be re-enabled.
1916         * gcc.dg/graphite/interchange-mvt.c: Same.
1917         * gcc.dg/graphite/block-0.c: Same.
1918         * gcc.dg/graphite/block-4.c: Same.
1919         * gcc.dg/graphite/block-7.c: Same.
1920
1921 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1922
1923         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1924         * gcc.dg/graphite/scop-0.c: Fix spaces.
1925         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1926         * gfortran.dg/graphite/block-2.f: Same.
1927         * gfortran.dg/graphite/block-3.f90: Same.
1928         * gfortran.dg/graphite/block-4.f90: Same.
1929         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1930         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1931
1932 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1933
1934         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1935         PDDR_ORIGINAL_SCATTERING_P.
1936         (pddr_is_empty): Rewritten.
1937         (print_dependence_polyhedron_layout): New.
1938         (print_pddr): New.
1939         (debug_pddr): New.
1940         (build_alias_set_powerset): Moved up.
1941         (poly_drs_may_alias_p): Moved up.
1942         (lexicographically_gt_p): Removed.
1943         (build_lexicographically_gt_constraint): Renamed
1944         build_lexicographical_constraint, reimplemented.
1945         (dependence_polyhedron_1): Simplified parameters.
1946         (dependence_polyhedron): Same.  Keep along empty PDDRs
1947         to make efficient use of the cache.
1948         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1949         (graphite_legal_transform_dr): Rewritten.
1950         (graphite_legal_transform_bb): Pass fewer arguments to
1951         graphite_legal_transform_dr.
1952         (graphite_carried_dependence_level_k): Simplified implementation.
1953         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1954         (dot_transformed_deps_stmt_1): Same.
1955         (dot_original_deps): Same.
1956         (dot_transformed_deps): Same.
1957         * graphite-dependences.h (struct poly_ddr): Added a new field
1958         original_scattering_p.
1959         (PDDR_ORIGINAL_SCATTERING_P): New.
1960         (print_pddr): Declared.
1961         (debug_pddr): Declared.
1962         * graphite-ppl.c: Clarify comment.
1963         * sese.h (print_gimple_bb): Removed unused declaration.
1964         (debug_gbb): Same.
1965
1966 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * g++.dg/graphite/graphite.exp: Rewritten.
1969         * gcc.dg/graphite/graphite.exp: Rewritten.
1970         * gfortran.dg/graphite/graphite.exp: Rewritten.
1971         * gcc.dg/graphite/block-0.c: Added runtime test.
1972         * gcc.dg/graphite/block-1.c: Same.
1973         * gcc.dg/graphite/block-3.c: Same.
1974         * gcc.dg/graphite/block-4.c: Same.
1975         * gcc.dg/graphite/block-5.c: Same.
1976         * gcc.dg/graphite/block-6.c: Same.
1977         * gcc.dg/graphite/block-7.c: Same.
1978         * gcc.dg/graphite/interchange-0.c: Same.
1979         * gcc.dg/graphite/interchange-1.c: Same.
1980         * gcc.dg/graphite/interchange-10.c: Same.
1981         * gcc.dg/graphite/interchange-11.c: Same.
1982         * gcc.dg/graphite/interchange-12.c: Same.
1983         * gcc.dg/graphite/interchange-2.c: Same.
1984         * gcc.dg/graphite/interchange-3.c: Same.
1985         * gcc.dg/graphite/interchange-4.c: Same.
1986         * gcc.dg/graphite/interchange-5.c: Same.
1987         * gcc.dg/graphite/interchange-6.c: Same.
1988         * gcc.dg/graphite/interchange-7.c: Same.
1989         * gcc.dg/graphite/interchange-8.c: Same.
1990         * gcc.dg/graphite/interchange-9.c: Same.
1991         * gcc.dg/graphite/interchange-mvt.c: Same.
1992         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1993
1994 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1995
1996         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1997           background.
1998
1999 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2000
2001         * common.opt: Add -fgraphite-cloog-opts.
2002         * graphite-clast-to-gimple.c (set_cloog_options): Same.
2003         * opts.c (decode_options): Same.
2004
2005 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007         * gcc.dg/graphite/id-17.c: New.
2008         * gcc.dg/graphite/pr41888.c: New.
2009         * gcc.dg/graphite/scop-22.c: New.
2010         * gfortran.dg/graphite/pr40982.f90: New.
2011
2012 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         * graphite-dependences.c: Clarify comments.
2015         (build_pddr): Add an extra parameter direction.
2016         (graphite_legal_transform_dr): Use build_pddr.
2017         (dot_original_deps_stmt_1): Update use of build_pddr.
2018         (dot_transformed_deps_stmt_1): Same.
2019         (dot_original_deps): Same.
2020         (dot_transformed_deps): Same.
2021
2022         * gcc.dg/graphite/interchange-12.c: New.
2023         * gcc.dg/graphite/block-7.c: New.
2024
2025 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2026
2027         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
2028         (pddr_transformed_scattering): Removed.
2029         (graphite_legal_transform_dr): Use build_pddr.
2030         (dot_original_deps_stmt_1): Same.
2031         (dot_transformed_deps_stmt_1): Same.
2032         (dot_original_deps): Same.
2033         (dot_transformed_deps): Same.
2034
2035 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2036
2037         * graphite-dependences.c (lexicographically_gt_p): Add comments.
2038         (build_lexicographically_gt_constraint): Same.
2039         (dependence_polyhedron_1): Same.
2040         (dependence_polyhedron): Same.
2041
2042 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2043
2044         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
2045         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
2046         (lexicographically_gt_p): Change type of direction to int.
2047         (build_lexicographically_gt_constraint): Same.
2048         (dependence_polyhedron_1): Same.
2049         (dependence_polyhedron): Same.
2050         (pddr_original_scattering): Use integers for direction.
2051         (pddr_transformed_scattering): Same.
2052         (graphite_legal_transform_dr): Same.
2053         (graphite_carried_dependence_level_k): Same.
2054
2055 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2056
2057         * graphite-dependences.c (build_pairwise_constraint): Renamed
2058         ppl_build_relation.  Moved...
2059         (dr_equality_constraints): Use ppl_build_relation.
2060         (build_pairwise_scheduling_equality): Same.
2061         (build_pairwise_scheduling_inequality): Same.
2062         * graphite-ppl.c (ppl_build_relation): ...here.
2063         * graphite-ppl.h (ppl_build_relation): Declared.
2064
2065 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2066
2067         PR middle-end/42681
2068         * graphite-clast-to-gimple.c (gloog_error): New static variable.
2069         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2070         Set gloog_error when such an expression failed to be built.
2071         (translate_clast): Early return when gloog_error is set.
2072         (gloog): Clear gloog_error.  When gloog_error is set, call
2073         set_ifsese_condition to enable the original code.  Return the status
2074         of the code generation based on gloog_error.
2075         * sese.c (set_ifsese_condition): New.
2076         * sese.h (set_ifsese_condition): Declared.
2077
2078         * g++.dg/graphite/pr42681.C: New.
2079
2080 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         PR middle-end/42732
2083         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
2084         rename_nb_iterations.
2085         * sese.c (rename_variables_in_operand): New.
2086         (rename_variables_in_expr): New.
2087         (rename_nb_iterations): New.
2088         (sese_adjust_liveout_phis): Update the rename_map.
2089         * sese.h (rename_nb_iterations): Declared.
2090         * tree-scalar-evolution.c (scev_reset_htab): New.
2091         (scev_reset): Call scev_reset_htab.
2092         * tree-scalar-evolution.h (scev_reset_htab): Declared.
2093
2094         * gfortran.dg/graphite/pr42732.f: New.
2095
2096 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         PR middle-end/42393
2099         * graphite-clast-to-gimple.c: Fix formatting.
2100         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2101         (expr_defined_in_loop_p): New.
2102         (add_loop_exit_phis): Also handle full expressions: remove from
2103         the rename_map the expressions defined in the loop that we're closing.
2104
2105         * gfortran.dg/graphite/pr42393-1.f90: New.
2106         * gfortran.dg/graphite/pr42393.f90: Add new flags
2107         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2108         make this testcase useful in the Graphite branch.
2109
2110 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         * graphite-scop-detection.c (exclude_component_ref): Removed.
2113         (is_simple_operand): Removed.
2114         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
2115
2116 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2117
2118         PR middle-end/42221
2119         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2120         the array indexing of ADDR_EXPRs.
2121
2122         * gcc.dg/graphite/pr42221.c: New.
2123
2124 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2125
2126         PR middle-end/42521
2127         * graphite.c (graphite_finalize): Call scev_reset.
2128         (graphite_transform_loops): Do not call scev_reset between the code
2129         generation of scops.
2130
2131         * gcc.dg/graphite/pr42521.c: New.
2132
2133 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite-interchange.c (memory_stride_in_loop): Renamed
2136         pdr_stride_in_loop.
2137         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2138         (memory_strides_in_loop): Memoize the memory strides per loop.
2139         (lst_interchange_profitable_p): Do not initialize to zero the memory
2140         strides.
2141         * graphite-poly.h (struct lst): Add a field memory_strides.
2142         (LST_LOOP_MEMORY_STRIDES): New.
2143         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2144         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2145
2146 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
2149         memory_strides_in_loop.  Gather memory strides on a whole loop.
2150         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
2151         (lst_interchange_profitable_p): Removed.
2152         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
2153
2154 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2157         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2158         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2159         Remove context_loop and level.
2160
2161 2010-01-07  Richard Guenther  <rguenther@suse.de>
2162
2163         PR tree-optimization/42641
2164         * sese.c (rename_map_elt_info): Use the SSA name version, do
2165         not hash pointers.
2166
2167 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2168
2169         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
2170         blocked" only when both the strip mine and the interchange have
2171         been applied.
2172
2173         * gcc.dg/graphite/block-2.c: Removed.
2174         * gcc.dg/graphite/block-3.c: Add scan pattern.
2175         * gcc.dg/graphite/block-4.c: Same.
2176         * gcc.dg/graphite/block-5.c: Same.
2177         * gcc.dg/graphite/block-6.c: Same.
2178
2179 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2180
2181         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
2182         before allocating a new one.
2183         (copy_renames): Check that slot is not NULL.
2184         (mark_bb_with_pbb): Same.
2185         (compute_cloog_iv_types_1): Same.
2186         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2187         nest, and after LSTs.
2188         (lst_try_interchange_loops): Same.
2189
2190 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         PR middle-end/42178
2193         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2194         the before, nest, and after LSTs.
2195         (lst_try_interchange): Removed.
2196         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2197         were modified.
2198         (lst_interchange_select_outer): Apply interchange on the outer loop
2199         until there are no more changes in the inner loops.
2200
2201 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2202
2203         Revert patch fixing PR middle-end/42221.
2204
2205 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2206
2207         PR middle-end/42180
2208         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2209         GIMPLE_CALL.
2210
2211         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2212
2213 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         PR middle-end/42180
2216         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2217         that contain only one statement.
2218
2219         * gfortran.dg/graphite/pr42180.f90: New.
2220
2221 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         PR middle-end/42393
2224         * gfortran.dg/graphite/pr42393.f90: New.
2225
2226 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         PR middle-end/42186
2229         * gfortran.dg/graphite/pr42186.f90: New.
2230
2231 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         PR middle-end/42205
2234         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2235         Insert the reduction copy in the same block as the phi node.
2236         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2237
2238         * gcc.dg/graphite/pr42205-1.c: New.
2239         * gcc.dg/graphite/pr42205-2.c: New.
2240
2241 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2242
2243         PR middle-end/42221
2244         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2245         the array indexing of ADDR_EXPRs.
2246
2247         * gcc.dg/graphite/pr42221.c: New.
2248
2249 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2250
2251         PR middle-end/42178
2252         PR middle-end/42334
2253         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2254         index.  Call lst_interchange_select_inner only once.
2255         (lst_interchange_select_inner): Update use of lst_try_interchange.
2256         (lst_interchange_select_outer): Update.
2257
2258 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         PR middle-end/42178
2261         PR middle-end/42334
2262         * graphite-interchange.c (lst_try_interchange): Do not increment the
2263         the OUTER index when there is no AFTER kernel.  Do not increment the
2264         OUTER index for after processing the AFTER kernel.
2265         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2266         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2267         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2268         (scop_do_interchange): Update use of lst_interchange_select_outer.
2269
2270         * gfortran.dg/graphite/graphite.exp
2271         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2272         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2273         the graphite dump file.
2274         * gfortran.dg/graphite/interchange-2.f: Same.
2275         * gfortran.dg/graphite/pr42334-1.f: New.
2276
2277 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2278
2279         PR middle-end/42178
2280         PR middle-end/42334
2281         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2282         that are empty.
2283         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2284         (lst_try_interchange): Reimplemented.
2285         (lst_interchange_select_inner): Same.
2286         (lst_do_interchange): Renamed lst_interchange_select_outer.
2287         Reimplemented.
2288         (scop_do_interchange): Update use of lst_interchange_select_outer.
2289
2290         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2291         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2292         * gcc.dg/graphite/pr42211.c: New.
2293         * gfortran.dg/graphite/pr42334.f90: New.
2294
2295 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         PR middle-end/42181
2298         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2299         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2300
2301         * gfortran.dg/graphite/pr42181.f90: New.
2302
2303 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2304
2305         PR middle-end/42284
2306         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2307         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2308         (detect_commutative_reduction_arg): Simplified.
2309         (detect_commutative_reduction): Early return when the argument of
2310         the close phi is not of an SSA_NAME.
2311
2312         * gcc.dg/graphite/pr42284.c: New.
2313
2314 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2315
2316         * dbgcnt.def (graphite_scop): New counter.
2317         * graphite.c: Include dbgcnt.h
2318         (graphite_transform_loops): Use new counter to limit transformations.
2319
2320 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2321
2322         PR middle-end/42285
2323         * graphite-scop-detection.c (graphite_can_represent_init): Also
2324         handle more complex MULT_EXPRs containing parameters by recursion
2325         on the structure.
2326
2327         * gfortran.dg/graphite/pr42285.f90: New.
2328
2329 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2330
2331         * g++.dg/graphite/pr42130.C: Fix type.
2332
2333 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2334
2335         * g++.dg/graphite/pr42130.C: Correct testcase.
2336
2337 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2338
2339         * Merge from mainline (154493:154734).
2340
2341 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2342
2343         * Merge from mainline (151362:154491).
2344
2345 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2346
2347         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2348         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2349
2350 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2351
2352         PR middle-end/42130
2353         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2354         translate_clast_for_loop): New.
2355         (translate_clast_for): Add a condition around the loop, to do not
2356         execute loops with zero iterations.
2357         * g++.dg/graphite/pr42130.C: New.
2358         * gcc.dg/graphite/pr35356-2.c: Adapt.
2359
2360 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2361
2362         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2363         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2364         Remove context_loop and level.
2365
2366 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2367
2368         * graphite-clast-to-gimple.c (translate_clast_user,
2369         translate_clast_for, translate_clast_guard): Simplify and move common
2370         elements to translate_clast().
2371         (translate_clast): Simplify and get common elements.
2372
2373 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2374
2375         * graphite-clast-to-gimple.c (translate_clast_user,
2376         translate_clast_for, translate_clast_guard): Split out of
2377         translate_clast.
2378
2379 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2380
2381         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2382         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2383         debug_clast_name_indexes_1, debug_clast_name_indexes,
2384         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2385         (clast_name_to_gcc, clast_to_gcc_expression,
2386         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2387         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2388         graphite_create_guard_cond_expr, graphite_create_new_loop,
2389         translate_clast): Add params_index.
2390         (initialize_cloog_names): Create parameter strings from scratch, do
2391         not reference other strings.
2392         (create_params_index): New.
2393         (gloog): Initialize params_index.
2394         * graphite-scop-detection (free_scops_1): Removed.
2395         (limit_scops): Use normal free_scops.
2396         * graphite-sese-to-poly.c (save_var_names): Removed.
2397         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2398         and SESE_PARAMS_INDEX.
2399         * sese.c (new_sese, free_sese): Dito.
2400         * sese.h (struct sese): Remove params_index, params_names.
2401         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2402
2403 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         Revert the following patch from 2009-09-14:
2406         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2407         tree-scalar-evolution.h, and then tree-data-ref.h.
2408         * graphite-clast-to-gimple.c: Same.
2409         * graphite-dependences.c: Same.
2410         * graphite-interchange.c: Same.
2411         * graphite-poly.c: Same.
2412         * graphite-scop-detection.c: Same.
2413         * graphite-sese-to-poly.c: Same.
2414         * graphite.c: Same.
2415         * lambda-code.c: Same.
2416         * matrix-reorg.c: Same.
2417         * tree-data-ref.c: Same.
2418         * tree-if-conv.c: Same.
2419         * tree-loop-distribu: Same.: Same.
2420         * tree-loop-linear.c: Same.
2421         * tree-parloops.c: Same.
2422         * tree-predcom.c: Same.
2423         * tree-vect-patterns.c: Same.
2424
2425 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         Revert patch from 2009-09-14.
2428         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2429         passes at -O1 and below.
2430
2431 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         PR middle-end/40281
2434         * gcc.dg/graphite/pr40281.c: New.
2435
2436         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2437         evolutions should not variate in inner loops.
2438
2439 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         PR middle-end/42050
2442         * gfortran.dg/graphite/pr42050.f90: New.
2443
2444 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2447         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2448
2449 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2450
2451         * graphite-blocking.c (scop_do_block): New.
2452         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2453         * graphite-poly.h (scop_do_block): Declared.
2454
2455 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2458         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2459         to transform depth into the time_depth before calling
2460         pbb_number_of_iterations_at_time.
2461         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2462         lst_depth.
2463
2464 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2465
2466         Reverted the patch for "scattering permutations" from 2009-10-28.
2467
2468         * graphite-poly.c (print_permutation): New.
2469         (debug_permutation): New.
2470         (new_poly_bb): Initialize PBB_PERMUTATION.
2471         (free_poly_bb): Free PBB_PERMUTATION.
2472         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2473         (struct pbb_permutation_elt): New.
2474         (PBB_PERMUTATION_ELT_STRIDE): New.
2475         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2476         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2477         (new_pbb_permutation_elt): New.
2478         (pbb_permutation_elt_free): New.
2479         (struct poly_bb): Add field permutation.
2480         (PBB_PERMUTATION): New.
2481         (print_permutation): Declared.
2482         (debug_permutation): Declared.
2483
2484 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2485
2486         * graphite-interchange.c (build_partial_difference): New.
2487         (memory_stride_in_loop): Refactored the computation of
2488         equality constraints into build_partial_difference function.
2489         Added support for debugging stride computations.
2490
2491 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         * graphite-clast-to-gimple.c (gloog): Free if_region,
2494         if_region->true_region, and if_region->region.
2495         * sese.c (if_region_set_false_region): Free if_region->false_region.
2496         (create_if_region_on_edge): Do not use GGC_NEW.
2497         (move_sese_in_condition): Remove useless initialization.
2498
2499 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2502         for the loops created by the loop distribution.  Do not modify the
2503         input LSTs.
2504         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2505         transformed schedule.  Call lst_update_scattering before data
2506         dependence analysis.
2507         (lst_try_interchange): Pass an extra parameter INDEX.
2508         (lst_do_interchange_1): New.
2509         (lst_do_interchange): Call lst_do_interchange_1.
2510         (scop_do_interchange): Call lst_update_scattering.
2511         * graphite-poly.c (apply_poly_transforms): Do not call
2512         lst_update_scattering.
2513         * graphite-poly.h (lst_pred): New.
2514         (lst_succ): New.
2515         (lst_find_first_pbb): Return NULL when not found.
2516         (lst_empty_p): New.
2517         (lst_insert_in_sequence): Allow LST1 to be NULL.
2518         (lst_replace): New.
2519         (lst_substitute_3): New.
2520         * gcc.dg/graphite/interchange-1.c: XFail.
2521         * gcc.dg/graphite/interchange-8.c: XFail.
2522         * gcc.dg/graphite/interchange-11.c: XFail.
2523
2524 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * graphite-interchange.c (lst_perfectly_nested_p): New.
2527         (lst_perfect_nestify): New.
2528         (lst_try_interchange_loops): Call store_lst_schedule,
2529         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2530         (scop_do_interchange): Avoid redundant legality test.
2531         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2532         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2533         * graphite-poly.h (psct_static_dim): New.
2534         (lst_dewey_number_at_depth): New.
2535         (lst_find_pbb): Restructured.
2536         (lst_find_first_pbb): Restructured.
2537         (lst_find_last_pbb): New.
2538         (lst_contains_p): New.
2539         (lst_contains_pbb): New.
2540         (lst_create_nest): New.
2541         (lst_remove_from_sequence): New.
2542         (pbb_update_scattering): New.
2543         (lst_update_scattering_under): New.
2544         (lst_update_scattering_seq): New.
2545         (lst_update_scattering): New.
2546         (lst_insert_in_sequence): New.
2547         (lst_distribute_lst): New.
2548         (lst_remove_all_before_including_pbb): New.
2549         (lst_remove_all_before_excluding_pbb): New.
2550
2551 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2552
2553         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2554         get_loop_exit_edges.
2555
2556 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2557
2558         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2559
2560 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2561
2562         * graphite-poly.c (print_permutation): New.
2563         (debug_permutation): New.
2564         (new_poly_bb): Initialize PBB_PERMUTATION.
2565         (free_poly_bb): Free PBB_PERMUTATION.
2566         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2567         (struct pbb_permutation_elt): New.
2568         (PBB_PERMUTATION_ELT_STRIDE): New.
2569         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2570         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2571         (new_pbb_permutation_elt): New.
2572         (pbb_permutation_elt_free): New.
2573         (struct poly_bb): Add field permutation.
2574         (PBB_PERMUTATION): New.
2575         (print_permutation): Declared.
2576         (debug_permutation): Declared.
2577
2578 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2579
2580         * graphite-clast-to-gimple.c (gloog): Do not call
2581         sese_reset_aux_in_loops.
2582         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2583         extra argument for domains.  Do not use loop->aux.
2584         (build_scop_iteration_domain): Initialize and free domains, pass it
2585         to build_loop_iteration_domains and extract the information from
2586         domains.  Do not use loop->aux.
2587         * sese.c (sese_reset_aux_in_loops): Removed.
2588         * sese.h (sese_reset_aux_in_loops): Removed.
2589
2590 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2591
2592         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2593         (dependency_in_loop_p): Same.
2594         (translate_clast): Do not use loop->aux.  Initialize
2595         loop->can_be_parallel.
2596         (mark_loops_parallel): Removed.
2597         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2598         * graphite.c (free_aux_in_new_loops): Removed.
2599         (graphite_finalize): Do not call free_aux_in_new_loops.
2600         (graphite_transform_loops): Do not call mark_loops_parallel.
2601
2602 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2603
2604         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2605         (translate_clast): Pass an extra parameter LEVEL.
2606         Call get_scattering_level.
2607         * graphite-clast-to-gimple.h (get_scattering_level): New.
2608
2609 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2610
2611         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2612         * cfgloop.h (struct loop): New field single_iv.
2613
2614         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2615         loop->aux anymore: use loop->single_iv.
2616         (graphite_loop_normal_form): Moved...
2617         (build_graphite_loop_normal_form): Removed.
2618         (gloog): Do not call build_graphite_loop_normal_form.
2619         (free_aux_in_new_loops): Moved...
2620         (mark_loops_parallel): Restructure.
2621         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2622         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2623         (scop_canonicalize_loops): New.
2624         (build_poly_scop): Call scop_canonicalize_loops.
2625         * graphite.c (free_aux_in_new_loops): ...here.
2626
2627 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2628
2629         * g++.dg/graphite/graphite.exp: Add the same rules as in
2630         gcc.dg/graphite/graphite.exp.
2631
2632 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2633
2634         * g++.dg/graphite/id-1.C: New.
2635
2636 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2637
2638         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2639         argument base_name.
2640         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2641         (rewrite_phi_out_of_ssa): Same.
2642         (rewrite_cross_bb_scalar_deps): Same.
2643         (translate_scalar_reduction_to_array): Same.
2644
2645 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2648         dump_alias_graphs.
2649
2650 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2653         (build_scop_drs): Call dump_alias_graphs.
2654
2655 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2658         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2659         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2660         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2661         * graphite-poly.h (free_lst): New.
2662         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2663         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2664
2665 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2666
2667         * graphite-poly.h (struct scop): Add a field saved_schedule.
2668         (SCOP_SAVED_SCHEDULE): New.
2669         (store_lst_schedule): New.
2670         (restore_lst_schedule): New.
2671         (store_scattering): Call store_lst_schedule.
2672         (restore_scattering): Call restore_lst_schedule.
2673
2674 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2675
2676         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2677         (pdr_add_alias_set): Same.
2678         (build_poly_dr): Same.
2679         (build_alias_set_optimal_p): Same.
2680         (build_base_obj_set_for_drs): Same.  Do not store the result of
2681         graphds_dfs.
2682
2683 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2686         all_components_are_cliques to 1.
2687
2688 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2689
2690         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2691         the new structure.
2692         (pdr_add_alias_set): Update retrieving alias_set_num.
2693         (build_poly_dr): Update retrieving dr_base_object_set.
2694         (partition_drs_to_sets): Remove.
2695         (build_alias_set_optimal_p): New.
2696         (build_alias_set_for_drs): Rename.
2697         (build_scop_drs): Update.
2698         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2699         (ALIAS_SET_INDEX): Remove.
2700         (BASE_OBJECT_SET_INDEX): Remove.
2701
2702 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2705
2706 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2709         loop upper bounds for 1-element arrays at end of structures.
2710         * tree-flow.h (array_at_struct_end_p): Declared.
2711         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2712
2713 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2714
2715         * g++.dg/graphite/pr41305.C: New.
2716
2717 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2718
2719         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2720         construction of parameter constraints from loop iteration analysis.
2721         * gcc.dg/graphite/run-id-2.c: New test.
2722
2723 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2724
2725         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2726         and new_cstr.
2727
2728 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * graphite-dependences.c (dependence_polyhedron_1): Remove
2731         unused gdim dimensions from the DDR polyhedron.
2732
2733 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-dependences.c (pddr_transformed_scattering): New.
2736         (dot_original_deps_stmt_1): New.
2737         (dot_transformed_deps_stmt_1): New.
2738         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2739         dot_transformed_deps_stmt_1.
2740         (dot_original_deps): New.
2741         (dot_transformed_deps): New.
2742         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2743
2744 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2745
2746         * graphite-dependences.c (reduction_dr_1): Remove wrong
2747         assert: reduction BBs can have multiple reduction writes
2748         to memory.  interchange-3.f90 is an example.
2749
2750 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2751
2752         * gfortran.dg/graphite/interchange-3.f90: New.
2753
2754 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2755
2756         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2757
2758 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * graphite-dependences.c (dependence_polyhedron_1): Add the
2761         context to the dependence polyhedron.
2762
2763 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2764
2765         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2766         PBB_PDR_DUPLICATES_REMOVED.
2767         (new_poly_bb): Same.
2768
2769 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2770
2771         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2772         SCOP_CONTEXT.
2773         (build_loop_iteration_domains): Extract bounds on parameters
2774         based on the data size.
2775         (build_scop_context): Do not initialize SCOP_CONTEXT;
2776         add new constraints.
2777
2778 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2779
2780         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2781         * graphite-ppl.h (graphite-ppl.h): Declared.
2782
2783 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         * graphite-ppl.c (ppl_print_linear_expr): New.
2786         (debug_ppl_linear_expr): New.
2787         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2788         (debug_ppl_linear_expr): Declared.
2789
2790 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * graphite-interchange.c: Fix comments.
2793         * gcc.dg/graphite/block-1.c: Fix comments.
2794
2795 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2796
2797         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2798         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2799
2800 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2801
2802         Reapply the patch from Alexander Monakov that disappeared during
2803         the last merges from trunk.
2804
2805         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2806
2807         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2808         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2809
2810 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * graphite-interchange.c (memory_stride_in_loop): The depth
2813         argument corresponds to a dynamic time dimension, so use
2814         psct_dynamic_dim to refer to the transformed scattering dimension.
2815
2816 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2817
2818         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2819
2820 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2823         root of the LST.
2824         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2825         the root of the LST.
2826         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2827         fake loop.
2828         (print_lst): Print the root of LST in a different format.
2829         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2830
2831 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2834
2835 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * doc/passes.texi: Document the Graphite infrastructure.
2838
2839 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2842         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2843         and check the SSA representation.
2844
2845         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2846
2847 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2848
2849         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2850
2851 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * gcc.dg/graphite/interchange-11.c: New.
2854
2855 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2858
2859 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2860
2861         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2862         Add -fno-loop-strip-mine and -fno-loop-interchange.
2863         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2864         -fno-loop-strip-mine.
2865         * gfortran.dg/graphite/graphite.exp: Same.
2866
2867 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2868
2869         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2870         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2871         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2872         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2873         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2874         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2875         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2876         DEFAULT_FLAGS_GRAPHITE_SCOP.
2877         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2878         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2879
2880 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2881
2882         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2883
2884 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2885             Sebastian Pop  <sebastian.pop@amd.com>
2886
2887         * graphite-interchange.c (build_linearized_memory_access): Pass an
2888         offset as parameter.
2889         (memory_stride_in_loop): Include transform scattering in the
2890         access functions to be able to querry the strides in the
2891         transformed loops.
2892         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2893         not the psct_iterator_dim.
2894
2895 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2896
2897         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2898         (lst_do_strip_mine_loop): New.
2899         (lst_do_strip_mine): New.
2900         (scop_do_strip_mine): Call lst_do_strip_mine.
2901         * graphite-poly.h (lst_add_loop_under_loop): New.
2902         (lst_find_first_pbb): New.
2903
2904 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2905
2906         * graphite-poly.c (loop_to_lst): Fix LST creation.
2907
2908 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2909
2910         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2911         sizeof(unsigned long) to make it run on 32bit systems.
2912
2913 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2914
2915         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2916         SEGFAULT on 32bit.
2917
2918 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2919
2920         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2921         Comment.
2922         (write_alias_graph_to_ascii_dot): New.
2923         (write_alias_graph_to_ascii_ecc): Ditto.
2924         (partition_drs_to_sets): Add testing of optimality of current method
2925         which assigns alias numbers according to DFS Comopnent number.  used
2926         as heuristic for the upcoming ECC algorithm.
2927         (build_scop_drs): Write to file also with the ecc and dot format.
2928
2929 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2930
2931         * gfortran.dg/graphite/interchange-1.f: XFail.
2932
2933 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * graphite.c (graphite_initialize): Do not handle functions with
2936         more than 100 basic blocks.
2937
2938 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2939
2940         * graphite-blocking.c (pbb_do_strip_mine): Use
2941         PARAM_LOOP_BLOCK_TILE_SIZE.
2942
2943 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2944
2945         * graphite-poly.c (dot_lst_1): New.
2946         (dot_lst): New.
2947         * graphite-poly.h (dot_lst): Declared.
2948
2949 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2950
2951         * graphite-dependences.c (dot_deps_stmt_1): New.
2952         (dot_deps_stmt): New.
2953         * graphite-dependences.h (dot_deps_stmt): Declared.
2954
2955 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2958         not replace cross BB scalar dependences ending on PHI nodes.
2959         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2960
2961 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * graphite-poly.c (apply_poly_transforms): Implement the high
2964         level driver for flag_loop_block.
2965         * opts.c (decode_options): Enable flag_loop_block at -O2.
2966         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2967         flag_loop_block.
2968
2969         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2970         -floop-block.
2971         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2972         Add -floop-block.
2973
2974 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2975
2976         * graphite-poly.h (lst_find_pbb): New.
2977         (find_lst_loop): New.
2978
2979 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2982         * graphite-poly.h (struct scop): Remove dep_graph field.
2983         (SCOP_DEP_GRAPH): Removed.
2984
2985 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2986
2987         * graphite-poly.h (copy_lst): Do full copy of LST.
2988
2989 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2992         when the loop stride is zero.
2993
2994         * gcc.dg/graphite/id-16.c: New.
2995
2996 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * graphite-dependences.c (reduction_dr_1): New.
2999         (reduction_dr_p): New.
3000         (graphite_legal_transform_dr): Call reduction_dr_p.
3001         (reduction_ddr): Renamed reduction_ddr_p.
3002         * graphite-poly.h (same_pdr_p): New.
3003         (number_of_write_pdrs): New.
3004         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
3005         (split_reduction_stmt): Do not split reduction statements
3006         when there are no writes to memory.
3007         (translate_scalar_reduction_to_array_for_stmt): Insert the
3008         memory reduction statement just after the scalar reduction statement.
3009
3010         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
3011         Un-XFAIL-ed.
3012         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
3013         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
3014
3015 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3016
3017         * graphite-interchange.c (lst_apply_interchange): New.
3018         (lst_interchange_profitable_p): New.
3019         (lst_try_interchange_loops): New.
3020         (lst_try_interchange): New.
3021         (lst_do_interchange): New.
3022         (pbb_do_interchange): Removed.
3023         (scop_do_interchange): Call lst_do_interchange.
3024
3025 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
3028         SCOP_TRANSFORMED_SCHEDULE.
3029         (loop_to_lst): New.
3030         (scop_to_lst): New.
3031         (print_lst): New.
3032         (debug_lst): New.
3033         * graphite-poly.h (lst_p): New.
3034         (struct lst): New.
3035         (LST_LOOP_P): New.
3036         (LST_LOOP_FATHER): New.
3037         (LST_PBB): New.
3038         (LST_SEQ): New.
3039         (scop_to_lst): Declared.
3040         (print_lst): Declared.
3041         (debug_lst): Declared.
3042         (new_lst_loop): New.
3043         (new_lst_stmt): New.
3044         (copy_lst): New.
3045         (lst_depth): New.
3046         (lst_dewey_number): New.
3047         (struct scop): Add original_schedule and transformed_schedule fields.
3048         (SCOP_ORIGINAL_SCHEDULE): New.
3049         (SCOP_TRANSFORMED_SCHEDULE): New.
3050         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
3051
3052 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3053
3054         * graphite-dependences.c (reduction_ddr): New.
3055         (graphite_legal_transform_bb): Call reduction_ddr.
3056         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
3057         Initialize PBB_IS_REDUCTION.
3058         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
3059         (PBB_IS_REDUCTION): New.
3060         (new_poly_bb): Update declaration.
3061         * graphite-scop-detection.h (build_scop_bbs): Removed.
3062         (nb_reductions_in_loop): Removed.
3063         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
3064         parameter for reductions.
3065         (try_generate_gimple_bb): Update call to new_poly_bb.
3066         (build_scop_bbs_1): Same.
3067         (build_scop_bbs): Same.
3068         (gsi_for_phi_node): New.
3069         (scalar_close_phi_node_p): Remove gcc_assert.
3070         (split_reduction_stmt): New.
3071         (is_reduction_operation_p): New.
3072         (phi_contains_arg): New.
3073         (follow_ssa_with_commutative_ops): New.
3074         (detect_commutative_reduction_arg): New.
3075         (detect_commutative_reduction_assign): New.
3076         (follow_inital_value_to_phi): New.
3077         (edge_initial_value_for_loop_phi): New.
3078         (initial_value_for_loop_phi): New.
3079         (detect_commutative_reduction): New.
3080         (translate_scalar_reduction_to_array_for_stmt): New.
3081         (insert_copyout): New.
3082         (insert_copyin): New.
3083         (translate_scalar_reduction_to_array): New.
3084         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
3085         (rewrite_commutative_reductions_out_of_ssa_loop): New.
3086         (rewrite_commutative_reductions_out_of_ssa): New.
3087         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
3088         * sese.h (split_region_for_bb): New.
3089
3090         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
3091         * gcc.dg/graphite/interchange-1.c: Fix format.
3092         * gcc.dg/graphite/interchange-10.c: New.
3093
3094 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3095
3096         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
3097         buggy assert.
3098
3099 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3100
3101         * graphite-sese-to-poly.c (scev_analyzable_p): New.
3102         (rewrite_cross_bb_scalar_dependence): New.
3103         (rewrite_cross_bb_scalar_deps): New.
3104         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
3105         Call rewrite_cross_bb_scalar_deps.
3106
3107 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3108
3109         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
3110         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
3111         gsi_for_stmt.
3112
3113 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3114
3115         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
3116         * graphite-interchange.c (pbb_do_interchange): Same.
3117         * graphite-poly.c (print_scattering_function): Same.
3118         (debug_pdrs): Same.
3119         * graphite-poly.h (pbb_loop): New.
3120         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
3121
3122 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
3125
3126 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3127
3128         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
3129         so don't pass a pointer to it.
3130         (build_alias_set_for_drs): Same.
3131         (build_base_obj_set_for_drs): Same.
3132         (build_scop_drs): Same.
3133
3134 2009-09-26  Li Feng  <nemokingdom@gmail.com>
3135
3136         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
3137         the alias graph of data references.
3138
3139 2009-09-25  Li Feng  <nemokingdom@gmail.com>
3140
3141         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
3142         (build_scop_drs): When debugging, write the alias graph to file,
3143         otherwise, should be disabled.
3144
3145 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * Merge from mainline (151310:151361).
3148
3149 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3150
3151         * Merge from mainline (151171:151310).
3152
3153 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3154
3155         * Merge from mainline (151171:151806).
3156
3157 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3158
3159         * Revert the last commit.
3160
3161 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3162
3163         * Merge from mainline (151171:151819).
3164
3165 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3166
3167         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
3168         (is_simple_operand): Remove call to stmt_simple_memref_p.
3169         (stmt_simple_for_scop_p): Update call to is_simple_operand.
3170
3171 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
3172
3173         * gcc.dg/graphite/interchange-mvt.c: New File.
3174         * gcc.dg/graphite/scop-dsyrk.c: New File.
3175         * gcc.dg/graphite/scop-dsyr2k.c: New File.
3176         * gcc.dg/graphite/scop-mvt.c: New File.
3177         * gcc.dg/graphite/scop-sor.c: New File.
3178
3179 2009-09-17 Li Feng  <nemokingdom@gmail.com>
3180
3181         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
3182         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
3183         (graphite_carried_dependence_level_k): Ditto.
3184         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3185         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3186         (new_poly_dr): Adjust declaration.
3187         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3188         (free_gimple_bb): Added free_data_refs_aux.
3189         (build_poly_dr): Add dr_base_object_set.
3190         (partition_drs_to_sets): New.
3191         (dr_same_base_object_p): New.
3192         (build_alias_set_for_drs): New.
3193         (build_base_object_set_for_drs): New.
3194         (build_scop_drs): Add build_base_obj_set_for_drs.
3195         * graphite-sese-to-poly.h: Added #define for alias set number index and
3196         base object set index.
3197         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3198         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3199
3200 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3201
3202         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3203         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3204
3205 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         * graphite-sese-to-poly.c (struct irp_data): Removed.
3208         (idx_record_params): Removed.
3209         (find_params_in_bb): Scan for parameters the access functions; don't
3210         parse the tree representation.
3211
3212 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3215         passes at -O1 and below.
3216
3217 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3218
3219         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3220         tree-scalar-evolution.h, and then tree-data-ref.h.
3221         * graphite-clast-to-gimple.c: Same.
3222         * graphite-dependences.c: Same.
3223         * graphite-interchange.c: Same.
3224         * graphite-poly.c: Same.
3225         * graphite-scop-detection.c: Same.
3226         * graphite-sese-to-poly.c: Same.
3227         * graphite.c: Same.
3228         * lambda-code.c: Same.
3229         * matrix-reorg.c: Same.
3230         * tree-data-ref.c: Same.
3231         * tree-if-conv.c: Same.
3232         * tree-loop-distribu: Same.: Same.
3233         * tree-loop-linear.c: Same.
3234         * tree-parloops.c: Same.
3235         * tree-predcom.c: Same.
3236         * tree-vect-patterns.c: Same.
3237
3238 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3239
3240         Partially revert the previous patch, except the following.
3241         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3242         as parameters the operands of the not expression.
3243
3244 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3247         Do not call analyze_scalar_evolution on assignments.
3248         (instantiate_scev_phi): Call analyze_scalar_evolution.
3249         (instantiate_scev_name): Call instantiate_scev_assign and
3250         instantiate_scev_phi.
3251         (instantiate_scev_not): Adapted to pass as parameters the operands
3252         of the not expression.
3253
3254 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3257         to pass as parameters the operands of the binary expression.
3258
3259 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3262         instantiate_scev_not.  Handle NEGATE_EXPR.
3263         (instantiate_scev_r): Handle NEGATE_EXPR.
3264
3265 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3268         instantiate_scev_r.
3269         (instantiate_scev_r): Move code in instantiate_scev_2
3270         and instantiate_scev_1.
3271
3272 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3273
3274         * tree-scalar-evolution.c (instantiate_scev_3): New.
3275         (instantiate_scev_1): Move code in instantiate_scev_3.
3276
3277 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3280         (instantiate_scev_1): Move code in instantiate_scev_poly.
3281
3282 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3285         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3286
3287 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3290         (instantiate_scev_1): Move code in instantiate_scev_convert.
3291
3292 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3295         (instantiate_scev_1): Move code in instantiate_scev_binary.
3296
3297 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * tree-scalar-evolution.c (instantiate_scev_name): New.
3300         (instantiate_scev_1): Move code in instantiate_scev_name.
3301
3302 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3303
3304         * Merge from mainline (150992:151171).
3305
3306 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3307
3308         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3309
3310 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3311
3312         * graphite-dependences.c (graphite_legal_transform_bb): Call
3313         pbb_remove_duplicate_pdrs.
3314         * graphite-poly.c (can_collapse_pdr): Removed.
3315         (pdr_find_duplicate): Removed.
3316         (can_collapse_pdrs): New.
3317         (pbb_remove_duplicate_pdrs): New.
3318         (new_poly_dr): Do not look for duplicates.
3319         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3320         (PBB_PDR_DUPLICATES_REMOVED): New.
3321         (pbb_remove_duplicate_pdrs): Declared.
3322
3323 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3324
3325         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3326         the strides by multiplying by PDR_NB_REFS.
3327         * graphite-poly.c (can_collapse_pdr): New.
3328         (pdr_find_duplicate): New.
3329         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3330         Initialize PDR_NB_REFS.
3331         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3332         (PDR_NB_REFS): New.
3333         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3334
3335 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3336
3337         Revert one of the previous commits:
3338         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3339         the computation of symmetric data dependence relations.
3340         (dependency_between_pbbs_p): Same.
3341
3342 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3343
3344         PR middle-end/40965
3345         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3346         any transform.
3347
3348 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3349
3350         * graphite-dependences.c (pddr_original_scattering): Return NULL
3351         for read-read dependence relations.
3352         * graphite-poly.h (enum poly_dr_type): Fix comment.
3353         (pdr_read_p): New.
3354         (pdr_write_p): New.
3355         (pdr_may_write_p): New.
3356
3357 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3360         (struct poly_dr): Same.
3361         (new_poly_dr): Same.
3362         * graphite-poly.c (new_poly_dr): Same.
3363
3364 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3365             Sebastian Pop  <sebastian.pop@amd.com>
3366
3367         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3368         pbb_strip_mine_time_depth.  Changed the implementation so that
3369         transformation is expressed as a transformation on
3370         time (scatttering) dimensions.  Also, ensures that the 2d+1
3371         scheduling format is preserved.
3372         (pbb_strip_mine_profitable_p): Profitability is based on the
3373         iteration number of a given time (scattering) dimension,
3374         and not on a original loop depth dimension.
3375         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3376         (pbb_do_strip_mine): Call psct_dynamic_dim.
3377         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3378         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3379         (pbb_nb_dynamic_scattering_transform): New.
3380         (psct_dynamic_dim): New.
3381
3382 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3383
3384         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3385         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3386         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3387         * graphite-interchange.c (build_linearized_memory_access): Same.
3388         (memory_stride_in_loop): Same.
3389
3390 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         * graphite-dependences.c (pddr_original_scattering): New.
3393         (graphite_legal_transform_dr): Call pddr_original_scattering.
3394         (dot_deps_1): New.
3395         (dot_deps): New.
3396         * graphite-dependences.h (dot_deps): Declared.
3397         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3398         (print_pdr): Print PDR_ID.
3399         * graphite-poly.h (struct poly_dr): Add field id.
3400         (PDR_ID): New.
3401         (pbb_index): New.
3402         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3403
3404 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3405
3406         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3407         not delete the original dependence relation.
3408
3409 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3412         the computation of symmetric data dependence relations.
3413         (dependency_between_pbbs_p): Same.
3414
3415 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3418         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3419         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3420         (free_poly_ddr): New.
3421         (pddr_is_empty): New.
3422         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3423         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3424         Remove fprintfs.
3425         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3426         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3427         * graphite-dependences.h (enum poly_dependence_kind): New.
3428         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3429         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3430         (PDRP_SINK): Renamed PDDR_SINK.
3431         (PDRP_DDP): Renamed PDDR_DDP.
3432         (PDDR_KIND): New.
3433         (free_poly_ddr): Declared.
3434         * graphite-poly.c (new_scop): Use the new hash function names.
3435         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3436         into original_pddrs.
3437         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3438
3439 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * Merge from mainline (150764:150992).
3442
3443 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3444
3445         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3446         bounds with LT_EXPR to make niter analysis more precise on code
3447         generated by Graphite.
3448
3449 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3450
3451         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3452         (graphite_legal_transform_bb): Same.
3453         (poly_drs_may_alias_p): Same.
3454
3455 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3456
3457         PR middle-end/40981
3458         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3459         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3460
3461 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3462
3463         * graphite-poly.c (print_pbb): Print PBB index.
3464
3465 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3466
3467         * Merge from mainline (r150672:150764).
3468
3469 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3470
3471         * graphite-interchange.c (ppl_max_for_le): Moved...
3472         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3473         * graphite-ppl.c (ppl_max_for_le): ... here.
3474         * graphite-ppl.h (ppl_max_for_le): Declared.
3475
3476 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3477
3478         * Merge from mainline (r150372:150672).
3479
3480 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3481
3482         PR middle-end/40980
3483         * sese.c (convert_for_phi_arg): New.
3484         (add_guard_exit_phis): Use convert_for_phi_arg.
3485
3486         * gfortran.dg/graphite/id-17.f: New.
3487
3488 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3489
3490         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3491         unknown subscript upper bounds.
3492
3493         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3494
3495 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3496             Pranav Garg  <pranav.garg2107@gmail.com>
3497
3498         * graphite-interchange.c (gather_access_strides): Removed.
3499         (ppl_max_for_le): New.
3500         (build_linearized_memory_access): New.
3501         (memory_stride_in_loop): New.
3502         (pbb_interchange_profitable_p): Reimplemented.
3503         * graphite-ppl.h (ppl_new_id_map): New.
3504         (ppl_interchange): New.
3505
3506         * gcc.dg/graphite/interchange-6.c: XFAILed.
3507
3508 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3509
3510         * graphite-interchange.c (compute_subscript): Removed.
3511         (compute_array_size_cstr): Removed.
3512         (compute_array_size_poly): Removed.
3513         (compute_array_size): Removed.
3514         (gather_access_strides_poly): Removed.
3515         (gather_access_strides): Empty.
3516
3517 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3518
3519         * graphite-dependences.c (dependence_polyhedron_1): Replace
3520         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3521         (graphite_legal_transform_dr): Same.
3522         (graphite_carried_dependence_level_k): Same.
3523         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3524         Initialize PDR_NB_SUBSCRIPTS.
3525         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3526         PDR_NB_SUBSCRIPTS.
3527         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3528         (PDR_NB_SUBSCRIPTS): New.
3529         (pdr_nb_subscripts): Removed.
3530         (pdr_dim): Simplified.
3531         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3532         with PDR_NB_SUBSCRIPTS.
3533
3534 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * graphite-interchange.c (compute_array_size): Remove use of
3537         PDR_DATA_CONTAINER.
3538         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3539         Do not initialize PDR_DATA_CONTAINER.
3540         (print_pdr): Do not print PDR_DATA_CONTAINER.
3541         * graphite-poly.h (struct poly_dr): Remove data_container field.
3542         (PDR_DATA_CONTAINER): Removed.
3543         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3544         PDR_DATA_CONTAINER.
3545         (build_poly_dr): Same.
3546
3547 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3548
3549         * gcc.dg/graphite/interchange-9.c: New.
3550
3551 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3552             Sebastian Pop  <sebastian.pop@amd.com>
3553
3554         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3555         copy of the dependence polyhedron.  Free the temporary objects.
3556         (graphite_carried_dependence_level_k): Free unused objects before
3557         returning.
3558
3559         * gcc.dg/graphite/interchange-1.c: XFAILed.
3560         * gcc.dg/graphite/interchange-2.c: XFAILed.
3561         * gcc.dg/graphite/interchange-3.c: XFAILed.
3562         * gcc.dg/graphite/interchange-4.c: XFAILed.
3563         * gcc.dg/graphite/interchange-7.c: XFAILed.
3564
3565 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3566
3567         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3568         Early return without analyzing the data dependences if no
3569         transform has been done.  Call restore_scattering if the transform
3570         is not legal.
3571         (graphite-interchange.c): Same.
3572         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3573         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3574         (apply_poly_transforms): Do not gcc_assert that
3575         the transform is legal.
3576         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3577         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3578         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3579         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3580         * graphite-poly.h (struct poly_scattering): New.
3581         (struct poly_bb): Add original, transformed, and saved fields.
3582         Remove transformed_scattering, original_scattering, nb_local_variables,
3583         and nb_scattering_transform fields.
3584         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3585         (poly_scattering_new): New.
3586         (poly_scattering_free): New.
3587         (poly_scattering_copy): New.
3588         (store_scattering_pbb): New.
3589         (store_scattering): New.
3590         (restore_scattering_pbb): New.
3591         (restore_scattering): New.
3592         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3593         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3594
3595 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3598         (print_scop): Same.
3599
3600 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3601
3602         * Makefile.in (graphite.o): Depends on PREDICT_H.
3603         * graphite.c: Include predict.h.
3604         (graphite_finalize): Call tree_estimate_probability.
3605         * predict.c (predict_loops): Do not call scev_initialize and
3606         scev_finalize.
3607         (tree_estimate_probability_bb): New.
3608         (tree_estimate_probability): Do not initialize loops: move that
3609         code to the driver.  Call tree_estimate_probability_bb.
3610         (tree_estimate_probability_driver): New.
3611         (pass_profile): Use tree_estimate_probability_driver.
3612         * predict.h (tree_estimate_probability): Declared.
3613
3614 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3615
3616         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3617         * graphite-dependences.c (graphite_legal_transform): Add time to
3618         TV_GRAPHITE_DATA_DEPS.
3619         (dependency_between_pbbs_p): Same.
3620         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3621
3622 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3623
3624         * Merge from mainline (r149952:150372).
3625
3626 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3627
3628         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3629         * graphite-blocking.c: Same.
3630         * graphite-clast-to-gimple.c: Same.
3631         * graphite-dependences.c: Same.
3632         * graphite-poly.c: Same.
3633         * graphite-poly.h: Same.
3634         * graphite-ppl.c: Same.
3635         * graphite-scop-detection.c: Same.
3636         * graphite-sese-to-poly.c: Same.
3637         * graphite.c: Same.
3638
3639 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3640
3641         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3642         (remove_simple_copy_phi): New.
3643         (remove_invariant_phi): New.
3644         (simple_copy_phi_p): New.
3645         (reduction_phi_p): New.
3646         (gsi_for_ssa_name_def): New.
3647         (insert_out_of_ssa_copy): New.
3648         (insert_out_of_ssa_copy_on_edge): New.
3649         (create_zero_dim_array): New.
3650         (scalar_close_phi_node_p): New.
3651         (rewrite_close_phi_out_of_ssa): New.
3652         (rewrite_phi_out_of_ssa): New.
3653         (rewrite_reductions_out_of_ssa): New.
3654         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3655
3656         * gcc.dg/graphite/id-11.c: New.
3657         * gcc.dg/graphite/id-15.c: New.
3658         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3659         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3660         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3661         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3662         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3663         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3664         * gfortran.dg/graphite/id-13.f: New.
3665         * gfortran.dg/graphite/id-5.f: New.
3666
3667 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3668
3669         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3670         check that nb_reductions_in_loop is zero.
3671         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3672         reduction phi nodes.
3673         (nb_reductions_in_loop): Removed.
3674         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3675         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3676         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3677         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3678         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3679
3680 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3683         statements that have an empty iteration domain.
3684         * gfortran.dg/graphite/id-16.f: New.
3685
3686 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3687
3688         * tree-scalar-evolution.c (instantiate_scev_1): Return
3689         chrec_dont_know when the result is not above instantiate_below.
3690         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3691         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3692         the tree has a known scalar evolution.
3693         * gfortran.dg/graphite/id-14.f: New.
3694         * gfortran.dg/graphite/id-15.f: New.
3695
3696 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3697
3698         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3699         insert_gsi.
3700         (rename_variables): Keep inserting renames after the ones already
3701         inserted.
3702
3703 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3704
3705         * graphite-sese-to-poly.c (compare_bb_depths): New.
3706         (graphite_sort_dominated_info): New.
3707         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3708         (build_scop_scattering): Fix comment.
3709
3710 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3711
3712         * graphite.c (graphite_finalize): Call print_loops instead of
3713         dump_function_to_file.
3714         * gcc.dg/graphite/graphite.exp: Fix formatting.
3715         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3716         loops generated in the graphite output file.
3717         * gcc.dg/graphite/pr35356-2.c: New.
3718         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3719         * gfortran.dg/graphite/id-12.f: New.
3720
3721 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3722
3723         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3724         Remove 2 XFAIL.
3725
3726 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3727             Tobias Grosser  <grosser@fim.uni-passau.de>
3728
3729         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3730         alias set number build alias in ACCESSES polyhedron.
3731         (build_alias_set_for_drs): New.
3732         (build_pbb_drs): Added build_alias_set_for_drs.
3733         * graphite-dependences.c (poly_drs_may_alias_p): New.
3734         (graphite_carried_dependence_level_k): Check alias information
3735         before building polyhedron.
3736
3737 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3738
3739         * Makefile.in (lambda-code.o): Fix formatting.
3740
3741 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3742
3743         * Merge from mainline (r149350-149952)
3744
3745 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3746
3747         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3748         before interchange to prepare for loop blocking.
3749
3750 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3751
3752         * graphite-poly.c (apply_poly_transforms): Add checks after every
3753         transformation.
3754         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3755         done in apply_poly_transforms.
3756
3757 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3758
3759         * graphite-dependences.c (build_lexicographically_gt_constraint):
3760         Replace RES parameter with *RES.
3761         (dependence_polyhedron_1): Pass an address of the parameter RES
3762         instead of value of RES.
3763
3764 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3765
3766         * graphite.c (graphite_finalize): Fix comment.
3767         (graphite_transform_loops): Reset scev info after code generation
3768         of each scop.
3769
3770 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3771
3772         * graphite.c (graphite_finalize): Call scev_reset.
3773
3774 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3775
3776         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3777         GBB_CLOOG_IV_TYPES hash table twice.
3778         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3779         (add_condition_to_domain): Clear GMP values.
3780
3781 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3782
3783         * graphite-dependences.c: Fix formatting.
3784         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3785         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3786         * graphite-sese-to-poly.c: Fix formatting.
3787         * graphite.c (graphite_transform_loops): Create the hash table
3788         after the early return.
3789
3790 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         * gcc.dg/graphite/id-14.c: New.
3793         * gcc.dg/graphite/pr40157.c: New.
3794         * gfortran.dg/graphite/id-11.f: New.
3795
3796 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3797
3798         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3799         (build_poly_scop): Return false when there are no pbbs within
3800         loops to avoid to pass to cloog scops with no loops.
3801
3802 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3803
3804         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3805         useless test "i % 2".
3806         (build_pbb_scattering_polyhedrons): Fix formatting.
3807         (build_poly_dr): Same.
3808         * graphite.c (graphite_transform_loops): Restructure.
3809
3810 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3811
3812         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3813         reduction_list parameter.
3814         (rewrite_all_phi_nodes_with_iv): Same.
3815         (canonicalize_loop_ivs): Same.
3816         * tree-parloops.c (struct brli): Removed.
3817         (build_reduction_list_info): Removed.
3818         (build_new_reduction): New.
3819         (analyze_reduction_list): Removed.
3820         (gather_scalar_reductions): Find reductions instead of phi
3821         nodes that can't be canonicalized.
3822         (try_create_reduction_list): Remove reduction_list parameter.
3823         (gen_parallel_loop): Same.
3824         (parallelize_loops): Remove analyze_reductions variable,
3825         initialization and free.
3826         Change reduction_list htab initialization to reduction_info
3827         elements instead of ssa names.
3828         Call try_create_reduction_list and gen_parallel_loop without
3829         analyzed_reduction argument.
3830         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3831         canonicalize_loop_ivs with one less argument.
3832         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3833
3834 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3835
3836         * graphite-dependences.c (new_poly_dr_pair): New.
3837         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3838         (new_poly_dr_pair): New.
3839         (eq_poly_dr_pair_p): New.
3840         (hash_poly_dr_pair_p): New.
3841         * graphite-dependences.h (struct poly_dr_pair): New.
3842         (eq_poly_dr_pair_p): Declared.
3843         (hash_poly_dr_pair_p): Declared.
3844         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3845         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3846         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3847         * Makefile.in (graphite-poly.o): Add dependence on
3848         graphite-dependences.h.
3849
3850 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3851
3852         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3853         polynomials of degree > 1 pass to Graphite.
3854         * tree-chrec.c (scev_is_linear_expression): Call
3855         evolution_function_is_affine_multivariate_p.
3856         * gfortran.dg/graphite/id-10.f90: New.
3857
3858 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3859
3860         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3861         Instantiate scevs varying in outer loops.
3862         * gfortran.dg/graphite/id-9.f: Correct testcase.
3863
3864 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3865
3866         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3867         redundant constraint.
3868
3869 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3870
3871         * gcc.dg/graphite/graphite.exp: Fix comments.
3872         * gfortran.dg/graphite/graphite.exp: Trigger actions
3873         based on the file names as in the C testsuite.
3874         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3875         * gfortran.dg/graphite/block-2.f: Same.
3876         * gfortran.dg/graphite/block-3.f90: Same.
3877         * gfortran.dg/graphite/block-4.f90: Same.
3878         * gfortran.dg/graphite/id-1.f90: Same.
3879         * gfortran.dg/graphite/id-2.f90: Same.
3880         * gfortran.dg/graphite/id-3.f90: Same.
3881         * gfortran.dg/graphite/id-4.f90: Same.
3882         * gfortran.dg/graphite/id-6.f: Same.
3883         * gfortran.dg/graphite/id-9.f: Same.
3884         * gfortran.dg/graphite/interchange-1.f: Same.
3885         * gfortran.dg/graphite/interchange-2.f: Same.
3886         * gfortran.dg/graphite/scop-1.f: Same.
3887
3888 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3889
3890         * sese.c (expand_scalar_variables_call): New.
3891         (expand_scalar_variables_ssa_name): Handle calls in expander.
3892
3893 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3896         Expect to see the pattern twice.
3897         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3898         * gcc.dg/graphite/interchange-5.c: Same.
3899         * gcc.dg/graphite/interchange-6.c: Same.
3900
3901 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3902
3903         * gcc.dg/graphite/id-10.c: New.
3904         * gcc.dg/graphite/id-12.c: New.
3905         * gfortran.dg/graphite/id-7.f: New.
3906         * gfortran.dg/graphite/id-8.f: New.
3907
3908 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3911         zero.
3912
3913 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3914
3915         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3916
3917 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3918
3919         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3920
3921 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3922
3923         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3924         building PDR subscripts.
3925
3926 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3927
3928         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3929         computation of array sizes.
3930
3931 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3932
3933         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3934
3935 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3936
3937         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3938         build_pairwise_constraint, dr_equality_constraints,
3939         build_pairwise_scheduling_equality,
3940         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3941         build_lexicographically_gt_constraint, dependence_polyhedron,
3942         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3943         Move from NNC_Polyhedron to C_Polyhedron.
3944         * graphite-interchange.c (compute_array_size_poly,
3945         gather_access_strides): Dito.
3946         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3947         free_scop, pbb_number_of_iterations): Dito.
3948         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3949         pbb_dim_iter_domain, struct scop): Dito.
3950         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3951         new_Cloog_Domain_from_ppl_Polyhedron,
3952         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3953         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3954         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3955         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3956         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3957         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3958         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3959         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3960         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3961         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3962         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3963         build_scop_iteration_domain, build_poly_dr): Dito
3964
3965 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3966
3967         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3968         run-id-*.c files.
3969         * gcc.dg/graphite/run-id-1.c: New.
3970
3971 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3972
3973         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3974         positivity constraint on the symbolic number of iterations.
3975
3976 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3979
3980 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3981             Tobias Grosser  <grosser@fim.uni-passau.de>
3982
3983         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3984         (build_cloog_prog): Directly use SCOP_CONTEXT.
3985         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3986         (free_scop): Free SCOP_CONTEXT.
3987         (print_scop_context): New.
3988         (print_scop): Call print_scop_context.
3989         (debug_scop_context): New.
3990         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3991         (struct scop): Added field context.
3992         (SCOP_CONTEXT): New.
3993         * graphite-sese-to-poly.c (add_param_constraints): New.
3994         (build_scop_context): New.
3995         (build_poly_scop): Call build_scop_context.
3996
3997 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3998
3999         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
4000         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
4001         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
4002         * graphite-ppl.h: Include double-int.h and tree.h.
4003         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
4004         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
4005         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
4006         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
4007
4008 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4009
4010         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
4011         POINTER_PLUS_EXPR for pointer types.
4012         (clast_to_gcc_expression): Same.
4013
4014 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4015
4016         * graphite-poly.c (print_scattering_function): Early return when
4017         PBB_TRANSFORMED_SCATTERING is not initialized.
4018         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
4019
4020 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
4021
4022         * tree-parloops.c (analyze_reduction_list): Remove unused variable
4023         to fix bootstrap.
4024
4025 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
4026
4027         * tree-parloops.c (analyze_reduction_list): Change return
4028         value to void.
4029         (try_create_reduction_list): Move the call to
4030         analyze_reduction_list to the beginining.
4031         Call reduction_phi with analyzed_reductions as argument
4032         instead of reduction_list.
4033
4034 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4035
4036         *  Merge from mainline (r148296:149346)
4037
4038 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4039
4040         * graphite-scop-detection.c (graphite_can_represent_init): New.
4041         (graphite_can_represent_scev): Call graphite_can_represent_init:
4042         check that the initial value does not contain multiplications of
4043         parameters.
4044         (stmt_has_simple_data_refs_p): New.
4045         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
4046         (is_simple_operand): Fix formatting.
4047         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
4048
4049 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4050
4051         * gcc.dg/graphite/id-13.c: New.
4052         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
4053         analyze_scalar_evolution, use scalar_evolution_in_region.
4054         (scan_tree_for_params_right_scev): Add extra assert.
4055         (parameter_index_in_region_1): Split from parameter_index_in_region.
4056         (idx_record_params): Use scalar_evolution_in_region.
4057         (find_params_in_bb): Same.
4058         (find_scop_parameters): Same.
4059         (build_loop_iteration_domains): Same.
4060         (create_linear_expr_from_tree): Same.
4061         * sese.c (scalar_evolution_in_region): New.
4062         * sese.h (scalar_evolution_in_region): Declared.
4063         (defined_in_sese_p): New.
4064         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
4065         static anymore.
4066         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
4067         Declared.
4068
4069 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4070
4071         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
4072         TREE_DATA_REF_H also implies SCEV_H.
4073
4074 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4075
4076         * graphite-poly.c (print_scop_params): New.
4077         (print_scop): Call print_scop_params.
4078         (debug_scop_params): New.
4079         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
4080
4081 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4082
4083         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
4084         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
4085         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
4086         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
4087         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
4088         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
4089
4090 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4091
4092         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
4093         for dependency checking part.
4094         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
4095         tests for dependency checking.
4096         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4097         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4098         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
4099         flag -fdump-tree-graphite-all for autopar testsuites.
4100
4101 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4102
4103         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
4104         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
4105         canonicalize_loop_ivs): Moved...
4106         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
4107
4108 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4109
4110         * tree-parloops.c (try_create_reduction_list): Pass an extra
4111         argument analyzed_reductions.  Call analyze_reduction_list.
4112         (gen_parallel_loop): Do not call analyze_reduction_list.
4113         (parallelize_loops): Init and finalize analyzed_reductions.
4114
4115 2009-07-06  Li Feng  <nemokingdom@gmail.com>
4116
4117         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4118         Added flag -fno-loop-strip-mine for autopar testcase.
4119
4120 2009-07-04  Li Feng  <nemokingdom@gmail.com>
4121
4122         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
4123         transformed scattering dimension instead of unmatch orignal when
4124         calling dependence_polyhedron.
4125
4126 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4127
4128         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
4129
4130 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         * graphite-poly.c (pbb_number_of_iterations): Check for returned
4133         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
4134
4135 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4136
4137         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
4138         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
4139         * graphite-poly.c (pbb_number_of_iterations): New.
4140         * graphite-poly.h (pbb_number_of_iterations): Declared.
4141         (pbb_iterator_dim, pbb_parameter_dim): New.
4142
4143 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
4144
4145         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
4146         last commit on type of lower and upper bound of loops.
4147
4148 2009-06-29  Li Feng  <nemokingdom@gmail.com>
4149
4150         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
4151         graphite-dependences.h.
4152         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
4153         (mark_bb_with_pbb): New.
4154         (get_stmtfor_depth): New.
4155         (find_pbb_via_hash): New.
4156         (dependency_in_loop_p): New.
4157         (mark_loops_parallel): New.
4158         (free_aux_in_new_loops): New.
4159         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
4160         bb with it's relevant pbb. Mark newly created loops.  Remove mark
4161         innermost loop parallel without checking.
4162         (gloog): Add parameter BB_PBB_MAPPING.
4163         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
4164         (gloog): Change declaration.
4165         (mark_loop_parallel): Make extern.
4166         (free_aux_in_new_loops): Declare.
4167         (bb_pbb_map_hash): New.
4168         (eq_bb_pbb_map): New.
4169         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
4170         auto parallelization when flag_graphite_force_parallel is set.
4171         (graphite_finalize): Added free_aux_in_new_loops.
4172         * tree-parloops.c (parallelize_loops): Only generate parallel code for
4173         the innermost loop that marked parallel.  Use
4174         flag_graphite_force_parallel instead of loop->can_be_parallel.
4175         (loop_parallel_p): Move inner most checking out of function.
4176
4177 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4178
4179         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
4180         type of lower and upper bound of loops signed long int.
4181
4182 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4183
4184         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4185         expression outside the loop.
4186
4187 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4188
4189         * gcc.dg/graphite/interchange-8.c: New.
4190
4191 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4192
4193         * gcc.dg/graphite/interchange-0.c: XFailed.
4194         * gcc.dg/graphite/interchange-5.c: XFailed.
4195         * gcc.dg/graphite/interchange-6.c: XFailed.
4196
4197 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4198
4199         * graphite-interchange.c (compute_array_size_poly): The end of the
4200         recursion should return 1.
4201
4202 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4203
4204         * graphite-interchange.c (compute_array_size_cstr): Allow the
4205         subscript multiplier to be -1.
4206         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4207         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4208         data_container.  Initializes PDR_DATA_CONTAINER.
4209         (print_pdr_access_layout): New.
4210         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4211         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4212         data_container.
4213         (PDR_DATA_CONTAINER): New.
4214         (new_poly_dr): Update declaration.
4215         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4216         (build_poly_dr): Call pdr_add_data_dimensions.
4217
4218 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4219
4220         * graphite-poly.h (struct poly_dr): Fix comment.
4221         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4222         (pdr_add_memory_accesses): New.
4223         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4224
4225 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4226
4227         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4228         (print_pbb): Add call to print_pdrs.
4229         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4230
4231 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4232             Li Feng <nemokingdom@gmail.com>
4233
4234         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4235         (dependency_between_pbbs_p): New.
4236         (lexicographically_gt_p): Assure !empty_p before polyhedron
4237         intersection assign.
4238         (build_lexicographically_gt_constraint): Correct lexicographically
4239         judging.
4240         * graphite-dependences.h: New.
4241         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4242
4243 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4244
4245         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4246         (gloog): Print to dump_file the generated clast.
4247         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4248         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4249
4250 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4251
4252         * graphite-poly.c (extend_scattering): Increment
4253         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4254
4255 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4256
4257         * graphite-interchange.c (compute_array_size_poly): Added exit of
4258         recursion condition.  Continue iterating even after the first equality.
4259         (compute_array_size): Same.
4260
4261 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4262
4263         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4264         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4265         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4266         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4267         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4268
4269 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4270
4271         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4272         only when the use verifies is_gimple_reg.
4273
4274 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4275
4276         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4277         Allocate scaldims after call to unify_scattering_dimensions.
4278
4279 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4282
4283 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4284             Albert Cohen  <albert.cohen@inria.fr>
4285
4286         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4287         variables for the strip mining.
4288
4289 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4290             Pranav Garg  <pranav.garg2107@gmail.com>
4291
4292         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4293         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4294         (graphite-blocking.o): New rule.
4295         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4296         * graphite-blocking.c: New.
4297         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4298         flag_loop_strip_mine.
4299         (psct_scattering_dim_for_loop_depth): New.
4300         * graphite-poly.h (scop_do_strip_mine): Declared.
4301         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4302         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4303         flag_loop_strip_mine.
4304
4305 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4306
4307         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4308         a GMP value and a PPL coefficient at each iteration of a loop.
4309
4310 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4311
4312         * graphite-dependences.c (dependence_polyhedron): Do not use
4313         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4314         pbb_nb_scattering_transform.
4315         (graphite_legal_transform_dr): Same.
4316         * graphite-poly.c (extend_scattering): Same.
4317         (unify_scattering_dimensions): Same.
4318         (print_scattering_function): Same.
4319         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4320         PBB_NB_LOCAL_VARIABLES.
4321         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4322         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4323         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4324         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4325         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4326         (pbb_nb_scattering_transform): New.
4327         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4328         (psco_scattering_dim): Add assert on parameters.
4329         (psct_scattering_dim): Same.
4330         (psct_scattering_dim_for_loop_depth): Declared.
4331         (psct_local_var_dim): New.
4332         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4333         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4334         correct layout, call pbb_nb_local_vars.
4335         (psct_add_local_variable, psct_add_scattering_dimension): New.
4336         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4337         Initialize PBB_NB_SCATTERING_TRANSFORM.
4338
4339 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4340
4341         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4342         (set_coef): Renamed ppl_set_coef.
4343         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4344
4345 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4346
4347         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4348         test a boolean against 1.
4349         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4350         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4351         (pbb_do_interchange): Returns true when a transform has been performed.
4352         (scop_do_interchange): Same.
4353         * graphite-poly.c (apply_poly_transforms): Use the return value of
4354         scop_do_interchange.
4355         * graphite-poly.h (scop_do_interchange): Update declaration.
4356
4357 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4358
4359         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4360         after last use.
4361         * sese.c (sese_reset_aux_in_loops): New.
4362         * sese.h (sese_reset_aux_in_loops): New.
4363
4364 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4365
4366         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4367         multiplier and multiply the constant by the multiplier.
4368         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4369         (build_poly_dr): Do not use the multiplier to define the subscript.
4370
4371 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4372
4373         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4374         compiler's data reference.  Initialize PDR_CDR.
4375         (print_pdr): Call dump_data_reference.
4376         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4377         Add compiler_dr field.
4378         (PDR_BB): Renamed PDR_PBB.
4379         (PDR_CDR): New.
4380         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4381         GCC's data reference representation.
4382         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4383         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4384
4385 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4386
4387         * graphite-poly.c (print_scattering_function): Also print the layout.
4388         * graphite-poly.h (pbb_nb_local_vars): New.
4389
4390 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4391
4392         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4393
4394 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4395
4396         * graphite-poly.c (print_pdr, debug_pdr): New.
4397         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4398         (PDR_BASE): Removed.
4399
4400 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4403         ltrans-{1..6,8}.c.
4404
4405 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4406
4407         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4408         subscript identification column.
4409         (pbb_do_interchange): Print to dump_file that some loops "will be
4410         interchanged".  Rely on that chain of characters in the testcases.
4411         * gcc.dg/graphite/interchange-0.c: New.
4412         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4413         interchange-*.c files and compile them with -floop-interchange.
4414
4415 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4416
4417         * graphite-interchange.c (interchange_profitable_p): Renamed
4418         pbb_interchange_profitable_p.
4419
4420 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4421             Harsha Jagasia  <harsha.jagasia@amd.com>
4422             Pranav Garg  <pranav.garg2107@gmail.com>
4423
4424         * graphite-interchange.c (interchange_profitable_p): Make static.
4425         (pbb_interchange_loop_depths, pbb_do_interchange,
4426         scop_do_interchange): New.
4427         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4428         for flag_loop_interchange.
4429         * graphite-poly.h (scop_do_interchange): Declared.
4430         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4431         flag_loop_interchange is used.
4432
4433 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4434
4435         * graphite-dependences.c (dependence_polyhedron): Update use of
4436         pbb_nb_scattering_dims.
4437         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4438         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4439         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4440         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4441
4442 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4443
4444         * graphite.c: Cleanup foo.
4445
4446 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4447
4448         * Merge from mainline (r143684:148293).
4449         * Disabled libpcp until it gets fixed.
4450
4451 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4452             Harsha Jagasia  <harsha.jagasia@amd.com>
4453
4454         * graphite-interchange.c: New.
4455         * Makefile.in (graphite-interchange.o): New.
4456         * graphite-poly.h (interchange_profitable_p): Declared.
4457         * graphite-ppl.h (value_max): New.
4458
4459 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4460
4461         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4462         * graphite-poly.h: Fix some comments.
4463         (pdr_dim): New.
4464         (pdr_scop): New.
4465
4466 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4467
4468         * graphite-poly.h
4469         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4470         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4471         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4472         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4473         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4474         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4475         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4476         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4477         * graphite-clast-to-gimple.c: Same.
4478         * graphite-dependences.c: Same.
4479         * graphite-poly.c: Same.
4480         * graphite-sese-to-poly.c: Same.
4481
4482 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4483
4484         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4485         expressions for an IV rename, as returned by clast_to_gcc_expression.
4486         (copy_renames): Rename new_name to expr.
4487         * sese.c (debug_rename_elt): Same.
4488         (get_rename): Same.
4489         (set_rename): Same.
4490         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4491         the information from the rename map.
4492         (rename_variables_in_stmt): Same.
4493         (add_loop_exit_phis): Rename new_name to expr.
4494         (insert_loop_close_phis): Same.
4495         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4496         * sese.h (struct rename_map_elt): Rename new_name to expr.
4497         (new_rename_map_elt): Same.
4498
4499 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4500
4501         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4502         * sese.c (set_rename): Make it extern.
4503         * sese.h (set_rename): Declared.
4504
4505 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4506
4507         * graphite-poly.c (extend_scattering): Free values.
4508         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4509         Free iterators.
4510         (ppl_print_powerset_matrix): Same.
4511         * graphite-scop-detection.c (free_scops_1): New.
4512         (limit_scops): Call free_scops_1.
4513         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4514         (build_poly_dr): Free PPL coefficients.
4515         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4516
4517 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4518
4519         * graphite-dependences.c: New.
4520         * graphite-data-ref.c: Removed.
4521         * graphite-data-ref.h: Removed.
4522         * Makefile.in (graphite-data-ref.o): Removed.
4523         (graphite-dependences.o): Added.
4524         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4525         * graphite-poly.c: Same.
4526         Move the data dependence testing to graphite-dependences.c.
4527
4528 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4529
4530         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4531         from graphite_cannot_represent_loop. Code refactored.
4532         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4533
4534 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4535
4536         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4537         Cover all the testcases (not only the filtered ones).
4538
4539 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4540
4541         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4542         unnecessary check. Update comments. Move check for REAL_TYPE here.
4543         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4544         done in (stmt_simple_for_scop_p).
4545
4546 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4547
4548         * graphite.c (print_global_statistics): New.
4549         (print_graphite_scop_statistic): New.
4550         (print_graphite_statistics): New.
4551         (graphite_initialize, graphite_transform_loops): Print statistics.
4552         * graphite-scop-detection (build_scops): Print statistics.
4553         (print_graphite_scop_statistics): New.
4554         (print_graphite_statistics): New.
4555
4556 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4557
4558         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4559         (debug_clast_name_index): Removed.
4560         (debug_clast_name_indexes_1): Removed.
4561         (debug_clast_name_indexes): Removed.
4562         (clast_name_index_elt_info): Removed.
4563         (eq_clast_name_indexes): Removed.
4564         (clast_name_to_index): Removed.
4565         (new_clast_name_index): Removed.
4566         (save_clast_name_index): Removed.
4567         (save_var_name): Moved...
4568         (init_sese_params_index): Removed.
4569         (clast_name_to_gcc): Remove use of name_tree.
4570         (initialize_cloog_names): Same.
4571         (gloog): Do not call init_sese_params_index.
4572         * graphite-sese-to-poly.c (save_var_name): ...here.
4573         (parameter_index_in_region): New.
4574         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4575         (parameter_index_in_region): Removed.
4576         (is_parameter): Remove use of name_tree.
4577         * sese.h (struct name_tree): Removed.
4578         (struct sese): Remove use of name_tree.  New field params_names.
4579         (SESE_PARAMS_NAMES): New.
4580         (SESE_PARAMS): Remove duplicate.
4581         (parameter_index_in_region): Removed.
4582         (sese_nb_params): Remove use of name_tree.
4583         (struct clast_name_index): New.
4584         (new_clast_name_index): New.
4585         (clast_name_to_index): New.
4586         (save_clast_name_index): New.
4587         (debug_clast_name_index): New.
4588         (debug_clast_name_indexes_1): New.
4589         (debug_clast_name_indexes): New.
4590         (clast_name_index_elt_info): New.
4591         (eq_clast_name_indexes): New.
4592
4593 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4594
4595         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4596         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4597         (graphite_loop_normal_form): Do not pass region.  Do not
4598         initialize SESE_OLDIVS.
4599         (build_graphite_loop_normal_form): Update call to
4600         graphite_loop_normal_form.
4601         * sese.c (debug_oldivs): Removed.
4602         (new_sese): Do not initialize SESE_OLDIVS.
4603         (free_sese): Do not free SESE_OLDIVS.
4604         (oldiv_for_loop): Removed.
4605         * sese.h (struct sese): Remove old_ivs.
4606         (SESE_OLDIVS): Removed.
4607         (oldiv_for_loop): Removed.
4608
4609 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4610
4611         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4612         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4613         replaced by a call to newivs_to_depth_to_newiv.
4614         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4615         (clast_to_gcc_expression_red): Same.
4616         (gcc_type_for_clast_expr): Same.
4617         (gcc_type_for_clast_eq): Same.
4618         (graphite_translate_clast_equation): Same.
4619         (graphite_create_guard_cond_expr): Same.
4620         (graphite_create_new_guard): Same.
4621         (graphite_create_new_loop): Same.
4622         (build_iv_mapping): Same.
4623         (translate_clast): Same.
4624         (gloog): Same.
4625         (loop_iv_stack_patch_for_consts): Removed.  *
4626         sese.c (iv_stack_entry_is_constant): Removed.
4627         (iv_stack_entry_is_iv): Removed.
4628         (loop_iv_stack_push_iv): Removed.
4629         (loop_iv_stack_insert_constant): Removed.
4630         (loop_iv_stack_pop): Removed.
4631         (loop_iv_stack_get_iv): Removed.
4632         (loop_iv_stack_get_iv_from_name): Removed.
4633         (debug_loop_iv_stack): Removed.
4634         (free_loop_iv_stack): Removed.
4635         (loop_iv_stack_remove_constants): Removed.  *
4636         sese.h (iv_stack_entry_kind): Removed.
4637         (iv_stack_entry_data_union): Removed.
4638         (iv_stack_entry_struct): Removed.
4639         (iv_stack_entry_p): Removed.
4640         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4641         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4642         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4643         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4644         (gbb_loop_at_index): Fix indenting.
4645         (gbb_loop_index): Removed.
4646
4647 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4648
4649         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4650         Call clast_name_to_index.
4651
4652 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4653
4654         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4655         do not pass params.  Get params from SESE_PARAMS.
4656         (clast_to_gcc_expression): Same.
4657         (clast_to_gcc_expression_red): Same.
4658         (gcc_type_for_clast_eq): Same.
4659         (graphite_translate_clast_equation): Same.
4660         (graphite_create_new_loop): Same.
4661         * sese.c (rename_variables_in_stmt): Fix comment.
4662
4663 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4664
4665         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4666         newivs_index.
4667         Call save_clast_name_index.
4668         (translate_clast): Pass newivs_index.
4669         (gloog): Create and free newivs_index.
4670
4671 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4672
4673         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4674         (clast_name_index_p): New type.
4675         (debug_clast_name_index): New.
4676         (debug_clast_name_indexes_1): New.
4677         (debug_clast_name_indexes): New.
4678         (clast_name_index_elt_info): New.
4679         (eq_clast_name_indexes): New.
4680         (clast_name_to_index): New.
4681         (new_clast_name_index): New.
4682         (save_clast_name_index): New.
4683         (init_sese_params_index): New.
4684         (gloog): Call init_sese_params_index.
4685         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4686         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4687         (free_sese): Free SESE_PARAMS_INDEX.
4688         * sese.h (struct sese): Add params_index.
4689         (SESE_PARAMS_INDEX): New.
4690
4691 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4692
4693         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4694         (graphite_create_new_loop): Pass the newivs vector.  Push the
4695         newly created IV to newivs.
4696         (translate_clast): Pass the newivs vector.
4697         (gloog): Create and destroy the newivs vector.
4698
4699 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4700
4701         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4702         (graphite_loop_normal_form): Initialize loop->aux with the unique
4703         IV that has been created.
4704
4705 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4706
4707         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4708         scev with parameters in the base part. They where forbidden
4709         exidently.
4710
4711 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4712
4713         * gcc.dg/graphite/graphite.exp: Set different default
4714         compile options by file names.
4715         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4716         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4717         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4718         * gcc.dg/graphite/scop-matmult.c: Ditto.
4719
4720 2009-05-08  Li Feng <nemokingdom@gmail.com>
4721
4722         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4723         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4724         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4725         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4726
4727 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4728
4729         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4730         by final cleanup.
4731
4732 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4733
4734         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4735         allow integer constant strides.
4736         (graphite_can_represent_expr): Depend on outermost_loop.
4737         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4738         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4739         build_scops_1): Same.
4740         (scopdet_basic_block_info): Same and insert layered SCoP
4741         detection.
4742         (try_generate_gimple_bb): Cleanup.
4743         (build_scops): Enable data references.
4744
4745         * gcc.dg/graphite/id-5.c: New.
4746         * gcc.dg/graphite/id-9.c: New.
4747         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4748         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4749
4750 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4751
4752         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4753         that we have not yet built for this SCoP.
4754
4755 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4756
4757         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4758         for complex numbers.
4759
4760 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4761
4762         * graphite-ppl.c: Fix build if cloog is not available.
4763
4764 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4765
4766         * tree-parloops.c (loop_parallel_p): Remove construction of
4767         NITER and REDUCTION_LIST.
4768         (try_get_loop_niter): New.
4769         (try_create_reduction_list): New.
4770         (parallelize_loops): Bypass the failed checkings in autopar
4771         when can_be_parallel in loop structure is set to true.
4772
4773 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4774
4775         * gcc.dg/graphite/id-6.c: Update testcase.
4776         * gcc.dg/graphite/scop-3.c: Dito.
4777
4778 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4779
4780         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4781         Enable EQ_EXPR and NE_EXPR again.
4782
4783 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4784
4785         * graphite-scop-detection.c (graphite_can_represent_scev):
4786         Add check if scev is affine multivariate.
4787         (harmful_stmt_in_bb): Check if we can represent the conditions.
4788         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4789         harmful_stmt_in_bb.
4790         * gcc.dg/graphite/id-7.c: New.
4791
4792 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4793
4794         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4795         Check all bbs in region, not only the bbs that are represented in
4796         GRAPHITE.
4797         (build_poly_scop): Add newline.
4798         * gcc.dg/graphite/id-8.c: New.
4799
4800 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4801
4802         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4803         when loop initialize.
4804         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4805         * common.opt: Declare flag_graphite_force_parallel.
4806         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4807         loop parallel.
4808         * graphite-poly.c (apply_poly_transforms): Introduce
4809         flag_graphite_force_parallel.
4810         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4811         * toplev.c (process_options): ditto and replace a not correctly
4812         encoded space.
4813
4814 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4815
4816         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4817         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4818         to the redefinition.
4819         (compute_cloog_iv_types_1): ditto.
4820         (build_iv_mapping): ditto.
4821         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4822         initialization.
4823         (free_gimple_bb): Removed GBB_LOOPS related free part.
4824         (build_bb_loops): Removed.
4825         * sese.h (struct gimple_bb): Removed loops.
4826         (GBB_LOOPS): Removed.
4827         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4828         (gbb_loop_index): ditto.
4829
4830 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4831
4832         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4833         allow non constant strides.
4834         * gcc.dg/graphite/scop-20.c: New.
4835
4836 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4837
4838         * graphite-scop-detection.c (dot_all_scops): Fix system call
4839         return value warning.
4840         (dot_scop): Same.
4841
4842 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4843
4844         * gcc.dg/graphite/id-6.c: Fix pattern.
4845         * gcc.dg/graphite/scop-3.c: Same.
4846
4847 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4848
4849         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4850         build_pairwise_constraint, dr_equality_constraints,
4851         build_pairwise_scheduling_equality,
4852         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4853         build_lexicographically_gt_constraint, dependence_polyhedron,
4854         graphite_legal_transform_dr, graphite_legal_transform_bb,
4855         graphite_legal_transform): New.
4856         * graphite-poly.h (graphite_legal_transform): Declared.
4857         * graphite-sese-to-poly.c (build_poly_scop): Call to
4858         graphite_legal_transform is disabled for the moment.
4859
4860 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4861
4862         * graphite-poly.h (pbb_nb_scattering_dims): New.
4863         (pbb_nb_scattering): Use it.
4864
4865 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4866
4867         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4868         Pointset_Powerset version of ppl_insert_dimensions.
4869         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4870
4871 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4872
4873         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4874
4875 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4876
4877         * graphite-poly.h: Fix comment.
4878
4879 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4880
4881         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4882
4883 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4884
4885         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4886         statements.
4887
4888 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4889
4890         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4891         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4892         conditions.
4893
4894 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4895
4896         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4897         handle EQ_EXPR and NE_EXPR.
4898
4899 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4900
4901         * graphite-poly.h (poly_dr): Fix comment.
4902
4903 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4904             Tobias Grosser  <grosser@fim.uni-passau.de>
4905
4906         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4907         with a zero dimension polyhedron.
4908         (find_scop_parameters): Move the call to scop_set_nb_params here.
4909         (build_loop_iteration_domains): Store in loop->aux the iteration
4910         domain polyhedron.
4911         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4912         by any loop in scop.
4913         (build_poly_scop): Do not call scop_set_nb_params.
4914
4915 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4916             Tobias Grosser  <grosser@fim.uni-passau.de>
4917
4918         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4919         add_condition_to_domain not GT_EXPR.
4920
4921 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4922
4923         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4924         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4925         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4926         upper_bound_assign to calculate unions.
4927         * gcc.dg/graphite/id-6.c: New.
4928
4929 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4930
4931         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4932         handle abnormal edges.
4933
4934 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4935
4936         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4937         (free_poly_bb): Also free poly_drs.
4938         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4939         (poly_dr): Polyhedron to Pointset_Powerset.
4940         (pdr_accessp_nb_subscripts): Same.
4941         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4942         poly_drs.
4943
4944 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4945
4946         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4947         names into more meaningful names.
4948
4949 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * gfortran.dg/graphite/interchange-1.c: New.
4952         * gfortran.dg/graphite/interchange-2.c: New.
4953
4954 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4955
4956         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4957         the reduction_list.
4958         * tree-parloops.c (rewrite_phi_with_iv): New.
4959         (rewrite_all_phi_nodes_with_iv): New.
4960         (canonicalize_loop_ivs): Call them.
4961
4962 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4963
4964         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4965         graphite_find_data_references_in_stmt.
4966         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4967         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4968
4969 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4970
4971         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4972
4973 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4974
4975         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4976         instead of bb_in_region.
4977         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4978         (build_sese_conditions): Use flag_bb_in_sese.
4979         * sese.c (register_bb_in_sese): Removed.
4980         (new_sese): Remove initialization of SESE_REGION_BBS.
4981         (free_sese): Do not free SESE_REGION_BBS.
4982         * sese.h (struct sese): Remove field region_basic_blocks.
4983         (SESE_REGION_BBS): Removed.
4984         (bb_in_sese_p): Implement in function of bb_in_region.
4985
4986 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4987
4988         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4989         loops.
4990
4991 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4992
4993         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4994         and EQ_EXPR.
4995         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4996         (add_condition_to_domain): New.
4997         (add_condition_to_pbb): New.
4998         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4999         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
5000
5001 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5002
5003         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
5004         ppl_Pointset_Powerset.
5005         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
5006         * graphite-poly.h (poly_bb): poly_bb.domain Same.
5007         (pbb_nb_loops): Same.
5008         * graphite-sese-to-poly.c (build_loop_iteration_domains,
5009         add_conditions_to_domain): Same.
5010         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5011         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
5012         ppl_const_Polyhedron_t.
5013         (ppl_print_powerset_matrix): New.
5014         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
5015         ppl_print_powerset_matrix): New.
5016         (ppl_print_polyhedron_matrix): Updated.
5017
5018 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5019
5020         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
5021
5022 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5023
5024         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
5025         (print_iteration_domains, debug_iteration_domain,
5026         debug_iteration_domains): New.
5027         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
5028         debug_iteration_domains): Declared.
5029         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
5030         indenting.
5031
5032 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5033             Sebastian Pop  <sebastian.pop@amd.com>
5034
5035         * graphite-poly.h (print_iteration_domain): New.
5036         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
5037         (build_sese_conditions_1, build_sese_conditions_after,
5038         build_sese_conditions_before): New.
5039         (build_sese_conditions): Rewritten.
5040
5041 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5042             Tobias Grosser  <grosser@fim.uni-passau.de>
5043
5044         Cleanup of code generation liveouts.
5045         * graphite-clast-to-gimple.c (translate_clast): Use a single
5046         rename_map instead of one per translated statement.
5047         Do not use SESE_LIVEOUT_RENAMES.
5048         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
5049         (gloog): Do not use SESE_LIVEOUT_RENAMES.
5050         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
5051         phi node of a reduction: when a loop contains a reduction used outside
5052         the loop, there should be a scalar close phi node on the exit block.
5053         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
5054         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
5055         (free_sese): Do not free them.
5056         (sese_build_liveouts_use): Do not use them.
5057         (sese_build_liveouts_bb): Same.
5058         (sese_build_liveouts): Same.
5059         (sese_insert_phis_for_liveouts): Same.
5060         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
5061         (defined_in_loop_p): New.
5062         (alive_after_loop): New.
5063         (close_phi_not_yet_inserted_p): New.
5064         (struct alep, alep_p): New.
5065         (add_loop_exit_phis): Remove from the rename_map all the names defined
5066         in the code generated loop.
5067         (insert_loop_close_phis): Traverse the rename_map passed to it.
5068         Don't use SESE_LIVEOUT_RENAMES.
5069         (default_liveout_before_guard): Renamed default_before_guard.
5070         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
5071         (graphite_copy_stmts_from_block): Do not directly call set_rename.
5072         (register_sese_liveout_renames): Removed.
5073         (copy_bb_and_scalar_dependences): Do not call it.
5074         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
5075         reduction_list.
5076         (SESE_LIVEOUT): Removed.
5077         (SESE_LIVEOUT_RENAMES): Removed.
5078         (SESE_REDUCTION_LIST): Removed.
5079         (sese_build_liveouts): Removed.
5080         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
5081         (insert_loop_close_phis): Pass a htab_t instead of a sese.
5082         (insert_guard_phis): Same.
5083         (rename_map_elt): Declare a VEC of them.
5084         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5085         trees not pointers to trees.
5086
5087         Rewrite in canonical close SSA form:
5088         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
5089         (limit_scops): Close the scop after the block containing the close phi
5090         nodes.
5091         (canonicalize_loop_closed_ssa): New.
5092         (canonicalize_loop_closed_ssa_form): New.
5093         (build_scops): Call canonicalize_loop_closed_ssa_form.
5094
5095         * graphite-sese-to-poly.c: Fix typos.
5096
5097 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5098
5099         * graphite-poly.c (print_scattering_function, print_pbb_domain):
5100         Extended.
5101         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
5102         (print_pbb): Add conditions.
5103
5104 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5105             Sebastian Pop  <sebastian.pop@amd.com>
5106
5107         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
5108         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
5109         (build_scop_bbs_1): New.
5110         (build_scop_bbs): Rewrite.
5111         * sese.h (bb_in_region): New.
5112
5113 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5114
5115         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5116         poly_drs vector.
5117         (print_scop): Style.
5118         * graphite-poly.h (poly_bb): Add drs vector.
5119         (PBB_DRS): Add accessor.
5120         * graphite-sese-to-poly.c (build_poly_dr): New.
5121         (build_pbb_drs, build_scop_drs): New.
5122         (build_poly_scop): call build_scop_drs (Disabled at the moment).
5123
5124 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5125
5126         * tree-ssa-loop.c: Include forgotten toplev.h
5127
5128 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5129
5130         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
5131         * gcc.dg/graphite/pr37883.c: Remove -floop-*
5132         * gcc.dg/graphite/pr37928.c: Same
5133         * gcc.dg/graphite/pr38409.c: Same
5134         * gcc.dg/graphite/pr38498.c: Same
5135         * gcc.dg/graphite/pr38559.c: Same
5136         * gcc.dg/graphite/pr39335.c: Same
5137         * gcc.dg/graphite/pr39335_1.c: Same
5138         * gfortran.dg/graphite/block-2.f: Same
5139         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
5140         with -floop-*.
5141
5142 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5143
5144         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
5145         build_access_matrix, build_scop_data_accesses): Remove access function
5146         building. (We get a new version soon).
5147         (build_bb_loops, scan_tree_for_params_right_scev): Update.
5148         * sese.h (nb_loops_around_loop_in_sese): Remove.
5149         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
5150
5151 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
5152             Sebastian Pop  <sebastian.pop@amd.com>
5153
5154         * graphite-scop-detection.c (struct scopdet_info): Rename last
5155         field to exit.
5156         (scopdet_basic_block_info, build_scops_1): Don't use
5157         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
5158
5159 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
5160             Sebastian Pop  <sebastian.pop@amd.com>
5161
5162         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
5163         * sese.c (sese_build_liveouts_use): Renamed from
5164         sese_build_livein_liveouts_use. Remove liveins.
5165         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
5166         Call sese_build_liveouts_use.
5167         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
5168         Call sese_build_liveouts_bb.
5169         (new_sese, free_sese): Remove liveins.
5170         (sese_add_exit_phis_var): Deleted.
5171         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
5172         directly.
5173         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
5174
5175         * sese.h (sese): Remove num_ver and livein.
5176         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
5177
5178 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5179
5180         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
5181
5182 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5183
5184         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5185         (build_scop_scattering): Do not use compare_prefix_loops any more.
5186         (nb_common_loops): New.
5187
5188 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5189
5190         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5191         (register_old_and_new_names): Renamed set_rename.
5192
5193 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5194
5195         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5196         of the decl from the previous commit.
5197
5198 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5199
5200         * graphite-scop-detection.c (dot_scop): New.
5201         * graphite-scop-detection.h (dot_scop): Declared.
5202
5203 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5204
5205         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5206
5207 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5208
5209         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5210         condition at the end of the loop.
5211         * graphite.c (graphite_initialize, graphite_finalize): Print to
5212         dump_file the compiled function.
5213         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5214         of create_empty_loop_on_edge.
5215         (translate_clast): Update the code generation of loops for the new
5216         shape of loops.
5217         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5218
5219 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5220
5221         Reverted the patch from 2009-03-19.
5222
5223 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5224
5225         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5226         poly_drs vector.
5227         (print_scop): Style.
5228         * graphite-poly.h (poly_bb): Add drs vector.
5229         (PBB_DRS): Add accessor.
5230         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5231         (build_access_matrix_with_af, build_access_matrix,
5232         build_scop_data_accesses): Delete.
5233         (build_poly_dr): New.
5234         (build_pbb_drs, build_scop_drs): New.
5235         (build_poly_scop): call build_scop_drs.
5236
5237 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5238
5239         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5240         once per basic block.
5241
5242 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5243
5244         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5245         (graphite_can_represent_expr): Renamed from loop_affine_expr
5246         and enhanced.
5247         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5248         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5249         (scopdet_basic_block_info): Actually define entry_block.
5250         (stmt_simple_memref_p): Moved here from ...
5251
5252         * tree-data-ref.c (stmt_simple_memref_p): here.
5253         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5254
5255 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5256
5257         * gcc.dg/graphite/id-4.c: New.
5258
5259 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5260
5261         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5262         (register_old_and_new_names): Update the content of the map.
5263         When there was already a rename_map_elt in the map at that
5264         location, free it.
5265         (copy_bb_and_scalar_dependences): Do rename_variables after
5266         expand_scalar_variables.
5267         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5268         of the map.  When there was already a rename_map_elt in the
5269         map at that location, free it.
5270         (translate_clast): Pass the rename_map.  Do not initialize and free
5271         a rename_map per stmt_user.
5272         (gloog): Initialize and free one rename_map and pass it to
5273         translate_clast.
5274
5275 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5276
5277         * sese.c (expand_scalar_variables_stmt,
5278         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5279         parameter.
5280         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5281         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5282         the gimple_stmt_iterator of the statement to be expanded.
5283         * graphite-scop-detection.c (is_simple_operand): Do handle
5284         REALPART_EXPR.
5285
5286 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5287
5288         * graphite-scop-detection.c (is_simple_operand): Do not handle
5289         REALPART_EXPR.
5290         * gcc.dg/graphite/id-2.c: New.
5291
5292         * graphite-sese-to-poly.c (build_bb_loops,
5293         add_value_to_dim, scan_tree_for_params_right_scev,
5294         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5295         find_params_in_bb, build_loop_iteration_domains,
5296         add_conditions_to_domain): Remove subtract.
5297
5298 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5299
5300         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5301         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5302         pbb_loop_at_index -> gbb_loop_at_index.
5303         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5304         (debug_loop_vec): Delete.
5305         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5306         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5307         (PBB_LOOPS): Removed.
5308         (PBB_BLACK_BOX): Insert cast.
5309         (pbb_set_black_box): New setter.
5310         (pbb_loop_at_index, pbb_loop_index): Removed.
5311         (scop_set_region, scop_set_nb_params): New.
5312         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5313         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5314         (build_poly_scop): Use scop_set_nb_params.
5315         * sese.h (gimple_bb): Add LOOPS.
5316         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5317
5318 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5319
5320         Revert previous commit.
5321
5322 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5323
5324         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5325         (register_old_and_new_names): Update the content of the map.
5326         When there was already a rename_map_elt in the map at that
5327         location, free it.
5328         (copy_bb_and_scalar_dependences): Do rename_variables after
5329         expand_scalar_variables.
5330         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5331         of the map.  When there was already a rename_map_elt in the
5332         map at that location, free it.
5333         (translate_clast): Pass the rename_map.  Do not initialize and free
5334         a rename_map per stmt_user.
5335         (gloog): Initialize and free one rename_map and pass it to
5336         translate_clast.
5337
5338 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5339
5340         Remove forgotten line in revert.
5341
5342 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5343
5344         Revert previous commit.
5345
5346 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5347
5348         * sese.c (register_old_and_new_names): Update the content
5349         of the map.  When there was already a rename_map_elt in the
5350         map at that location, free it.
5351         (copy_bb_and_scalar_dependences): Do rename_variables after
5352         expand_scalar_variables.
5353         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5354         of the map.  When there was already a rename_map_elt in the
5355         map at that location, free it.
5356         (translate_clast): Pass the rename_map.  Do not initialize and free
5357         a rename_map per stmt_user.
5358         (gloog): Initialize and free one rename_map and pass it to
5359         translate_clast.
5360
5361 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5362
5363         * graphite-clast-to-gimple.c (translate_clast): context_loop
5364         is never NULL.
5365
5366 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5367             Sebastian Pop  <sebastian.pop@amd.com>
5368
5369         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5370         of the use of ppl_Polyhedron_map_space_dimensions.
5371
5372 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5373             Sebastian Pop  <sebastian.pop@amd.com>
5374
5375         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5376         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5377         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5378         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5379         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5380         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5381         pbb_nb_params): New.
5382         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5383         nb_loops_around_pbb): Adapt return types.
5384
5385 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5386
5387         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5388         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5389         graphite-scop-detection.o, graphite-poly.o): Add
5390         more headers.
5391
5392 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5393
5394         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5395         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5396         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5397
5398 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5399
5400         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5401         * gcc.dg/graphite/pr37828.c: Same.
5402         * gcc.dg/graphite/pr37684.c: Same.
5403         * gcc.dg/graphite/block-0.c: Same.
5404         * gcc.dg/graphite/block-1.c: Same.
5405         * gcc.dg/graphite/block-2.c: Same.
5406         * gcc.dg/graphite/block-3.c: Same.
5407         * gcc.dg/graphite/block-4.c: Same.
5408         * gcc.dg/graphite/block-5.c: Same.
5409         * gcc.dg/graphite/block-6.c: Same.
5410         * gfortran.dg/graphite/pr38083.f90: Same.
5411         * gfortran.dg/graphite/block-1.f90: Same.
5412         * gfortran.dg/graphite/block-3.f90: Same.
5413         * gfortran.dg/graphite/pr37852.f90: Same.
5414         * gfortran.dg/graphite/block-4.f90: Same.
5415         * gfortran.dg/graphite/pr37980.f90: Same.
5416         * gfortran.dg/graphite/pr38953.f90: Same.
5417         * gfortran.dg/graphite/pr37857.f90: Same.
5418         * opts.c: Remove -floop-block from -O2.
5419         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5420         -floop-strip-mine are used.
5421
5422 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5423             Sebastian Pop  <sebastian.pop@amd.com>
5424
5425         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5426         dimensions.
5427         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5428         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5429         strip_mine_profitable_p, is_interchange_valid,
5430         graphite_trans_bb_block, graphite_trans_loop_block,
5431         graphite_trans_scop_block): Temporary removed.
5432         (extend_scattering, unify_scattering_dimensions): New.
5433         (print_scattering_function, graphite_read_transforms):
5434         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5435         (graphite_generate_scattering_fns): Removed.
5436         (apply_poly_transforms): Cleanup.
5437         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5438         (schedule_to_scattering): Moved.
5439         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5440         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5441         (pbb_nb_scattering): New.
5442         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5443         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5444         Removed.
5445         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5446         shift_poly.
5447         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5448         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5449         -> PBB_TRANSFORMED_SCATTERING.
5450         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5451         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5452         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5453         (check_poly_representation): Do not return bool.
5454         (graphite_transform_loops): Reformat.
5455         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5456
5457 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5458
5459         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5460         debug_pbb_domain, debug_pbb, debug_scop): New.
5461         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5462         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5463
5464 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5465
5466         PR middle-end/39335
5467         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5468         when the type precision of the induction variable should be
5469         larger than the type precision of nit.
5470         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5471         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5472         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5473
5474         * gcc.dg/graphite/pr39335_1.c: New.
5475         * gcc.dg/graphite/pr39335.c: New.
5476
5477 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5478
5479         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5480         SSA_NAMES not struct reduction_info.
5481
5482 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5483
5484         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5485
5486 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5487             Tobias Grosser  <grosser@fim.uni-passau.de>
5488
5489         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5490         (free_sese): Free SESE_REDUCTION_LIST.
5491         * sese.h (struct sese): Add field reduction_list.
5492         (SESE_REDUCTION_LIST): New.
5493         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5494         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5495
5496 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5497             Tobias Grosser  <grosser@fim.uni-passau.de>
5498
5499         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5500         of loop_p.
5501
5502 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5503             Tobias Grosser  <grosser@fim.uni-passau.de>
5504
5505         * tree-parloops.c (struct brli, build_reduction_list_info,
5506         analyze_reduction_list, gather_scalar_reductions): New.
5507         (loop_parallel_p): Build a reduction list containing only
5508         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5509         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5510         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5511         * tree-flow.h (gather_scalar_reductions): Declared.
5512
5513 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5514
5515         PR middle-end/39308
5516         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5517         number_of_iterations_exit from a gcc_assert.
5518
5519 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5520             Jan Sjodin  <jan.sjodin@amd.com>
5521
5522         * output.h (graphite_out_file, graphite_in_file): Declared.
5523         * toplev.c (graphite_out_file, graphite_in_file): New.
5524         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5525         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5526         Don't call schedule_to_scattering.
5527         * common.opt (fgraphite-write, fgraphite-read): New.
5528         * graphite-poly.c: Include output.h.
5529         (print_scattering_function, print_scattering_functions,
5530         debug_scattering_function, debug_scattering_functions,
5531         graphite_write_transforms, graphite_read_transforms,
5532         graphite_generate_scattering_fns): New.
5533         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5534         Call graphite_generate_scattering_fns, graphite_write_transforms,
5535         graphite_read_transforms.
5536         (new_poly_bb): Initialize PBB_SCATTERING.
5537         (free_poly_bb): Free PBB_SCATTERING.
5538         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5539         * graphite-poly.h (struct poly_bb): Add field scattering.
5540         (PBB_SCATTERING): New.
5541         (print_scattering_function, print_scattering_functions,
5542         debug_scattering_function, debug_scattering_functions): Declared.
5543         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5544         GMP values, not integers!
5545         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5546         ppl_read_polyhedron_matrix): New.
5547         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5548         debug_ppl_polyhedron_matrix,
5549         ppl_read_polyhedron_matrix): Declared.
5550         * Makefile.in (graphite-poly.o): Depends on output.h.
5551
5552 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5553             Tobias Grosser  <grosser@fim.uni-passau.de>
5554
5555         Revert this change:
5556         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5557         scalar evolutions in the scop_entry->loop_father.
5558
5559 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5560             Tobias Grosser  <grosser@fim.uni-passau.de>
5561
5562         * graphite.h (ref_nb_loops): Remove declaration.
5563         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5564         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5565         debug_gbb): Moved to sese.h.
5566         * sese.h: As said.
5567
5568 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5569             Tobias Grosser  <grosser@fim.uni-passau.de>
5570
5571         * graphite-data-ref.[ch]: Disable.
5572
5573 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5574             Tobias Grosser  <grosser@fim.uni-passau.de>
5575
5576         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5577         scalar evolutions in the scop_entry->loop_father.
5578
5579 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5580
5581         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5582         (graphite_cannot_represent_loop_niter): Renamed
5583         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5584         (limit_scops): build_sese_loop_nests does not return a bool.
5585         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5586         * sese.c (nb_reductions_in_loop): ... from here.
5587         (graphite_loop_normal_form): ... from here.
5588         (sese_record_loop): Does not fail, so does not return a bool.
5589         (build_sese_loop_nests): Same.
5590         * sese.h (build_sese_loop_nests): Update declaration.
5591         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5592         (build_graphite_loop_normal_form): New.
5593         (gloog): Call build_graphite_loop_normal_form.
5594         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5595         build_sese_loop_nests.
5596
5597         * gcc.dg/graphite/id-1.c: New.
5598
5599 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5600             Tobias Grosser  <grosser@fim.uni-passau.de>
5601
5602         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5603         The SCoP detection fix is sufficient.
5604
5605 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5606
5607         PR tree-optimization/39260
5608         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5609         the basic block contains a condition with a real type.
5610         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5611
5612         * gcc.dg/graphite/pr39260.c: New.
5613
5614 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5615
5616         * graphite-poly.c: Inlcude params.h.
5617         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5618         the size of a tile.
5619         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5620         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5621
5622 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5623             Tobias Grosser  <grosser@fim.uni-passau.de>
5624
5625         * graphite-scop-detection.c (dot_all_scops_1,
5626         dot_all_scops): Moved here.
5627         * graphite-scop-detection.h (dot_all_scops): Declared here.
5628         * graphite.c (graphite_initialize, graphite_finalize): New.
5629         (graphite_transform_loops): Cleaned up.
5630         * sese.c (debug_oldivs): Moved here.
5631         * graphite-poly.c (graphite_apply_transformations): Renamed
5632         apply_poly_transforms.
5633         (debug_loop_vec): Moved here.
5634         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5635         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5636         find_scop_parameters, build_scop_iteration_domain,
5637         add_conditions_to_constraints, build_scop_canonical_schedules,
5638         build_scop_data_accesses): Now static.
5639         (build_poly_scop, check_poly_representation): New.
5640
5641 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5642
5643         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5644         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5645         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5646         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5647         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5648         scan_tree_for_params, struct irp_data, dx_record_params,
5649         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5650         build_loop_iteration_domains, add_conditions_to_domain,
5651         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5652         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5653         build_sese_conditions, add_conditions_to_constraints,
5654         build_scop_iteration_domain, build_access_matrix_with_af,
5655         build_access_matrix,
5656         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5657
5658         * graphite-sese-to-poly.c: New.
5659         * graphite-sese-to-poly.h: New.
5660
5661         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5662
5663 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5664
5665         * graphite.c: Split graphite code generation to a new file.
5666         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5667         max_precision_type, clast_to_gcc_expression_red,
5668         clast_to_gcc_expression, gcc_type_for_clast_expr,
5669         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5670         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5671         graphite_create_new_guard, clast_get_body_of_loop,
5672         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5673         graphite_create_new_loop, build_iv_mapping, copy_renames,
5674         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5675         compute_cloog_iv_types, free_scattering, save_var_name,
5676         initialize_cloog_names, build_scop_context, build_cloog_prog,
5677         set_cloog_options, debug_clast_stmt, scop_to_clast,
5678         print_generated_program, debug_generated_program,
5679         gloog): Moved to graphite-clast-to-gimple.c.
5680
5681         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5682
5683         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5684         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5685         loop_iv_stack_pop, loop_iv_stack_get_iv,
5686         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5687         free_loop_iv_stack, loop_iv_stack_remove_constants,
5688         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5689         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5690         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5691         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5692         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5693         get_vdef_before_sese, sese_adjust_vphi,
5694         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5695         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5696         is_iv, expand_scalar_variables_ssa_name,
5697         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5698         expand_scalar_variables, rename_variables, remove_condition,
5699         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5700         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5701         default_liveout_before_guard, add_guard_exit_phis,
5702         insert_guard_phis, register_old_and_new_names,
5703         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5704         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5705         if_region_set_false_region, create_if_region_on_edge,
5706         move_sese_in_condition): Moved to sese.c.
5707
5708         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5709         if_region_exit, if_region_get_condition_block,
5710         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5711         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5712         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5713         ivtype_map_elt, new_ivtype_map_elt,
5714         recompute_all_dominators): Moved to sese.h.
5715
5716         * graphite-clast-to-gimple.c: New.
5717         * graphite-clast-to-gimple.h: New.
5718         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5719         * sese.c: Modified as said above.
5720         * sese.h: Same.
5721
5722 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5723
5724         * graphite.c: Split scop detection to a new file.
5725         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5726         move_sd_regions, loop_affine_expr, exclude_component_ref,
5727         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5728         graphite_cannot_represent_loop_niter, struct scopdet_info,
5729         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5730         find_single_entry_edge, find_single_exit_edge,
5731         create_single_entry_edge, sd_region_without_exit,
5732         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5733         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5734         Moved to graphite-scop-detection.c.
5735
5736         * graphite-scop-detection.c: New.
5737         * graphite-scop-detection.h: New.
5738         * Makefile.in: Add new rule for graphite-scop-detection.o.
5739
5740         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5741         tree-scalar-evolution.h.
5742         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5743         build_sese_loop_nests): Moved here from graphite.c.
5744         (param_index): Renamed parameter_index_in_region.
5745
5746 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5747             Sebastian Pop  <sebastian.pop@amd.com>
5748
5749         * gcc.dg/graphite/block-0.c: Expected to fail now.
5750         * gcc.dg/graphite/block-1.c: Same.
5751         * gcc.dg/graphite/block-5.c: Same.
5752         * gcc.dg/graphite/block-6.c: Same.
5753
5754 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5755             Sebastian Pop  <sebastian.pop@amd.com>
5756
5757         * graphite.h: Separate from graphite_bb_p the polyhedral
5758         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5759         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5760         graphite-data-ref.h.
5761         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5762         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5763         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5764         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5765         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5766         scop_nb_params): Moved to graphite-poly.h.
5767         * graphite-data-ref.c: Same.
5768         * graphite-data-ref.h: New.
5769         * graphite.c: Same.
5770         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5771         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5772         is_interchange_valid, graphite_trans_bb_block,
5773         graphite_trans_loop_block, scop_max_loop_depth,
5774         graphite_trans_scop_block, graphite_apply_transformations,
5775         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5776         graphite-poly.c.
5777         * graphite-poly.h: New.
5778         * graphite-poly.c: New.
5779         * Makefile.in (OBJS-common): Add graphite-poly.o.
5780         (graphite-poly.o): New rule.
5781         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5782         (DR_SCOP): Removed.
5783
5784 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5785             Tobias Grosser  <grosser@fim.uni-passau.de>
5786
5787         * graphite.c: Replace gb -> gbb.
5788         * graphite.h: Same.
5789         * graphite-data-ref.c: Same.
5790
5791 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5792             Tobias Grosser  <grosser@fim.uni-passau.de>
5793
5794         * Makefile.in (OBJS-commmon): Add sese.o.
5795         (sese.o): New.
5796         (graphite.o): Add sese.h.
5797         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5798         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5799         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5800         Move to sese.
5801         (block_before_scop): Add missing return.
5802         (new_scop, free_scop): Remove SESE data structures.
5803         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5804         find_scop_parameters, build_loop_iteration_domains,
5805         add_conditions_to_domain, register_scop_liveout_renames,
5806         copy_bb_and_scalar_dependences): Scop -> SESE.
5807
5808         (add_conditions_to_domain): SCoP -> SESE and remove check
5809         (scop_contains_non_iv_scalar_phi_nodes): New.
5810         (build_scop_conditions_1, build_scop_conditions): Remove check for
5811         non iv scalar phi nodes.
5812         (print_scop_statistics): New.
5813         (graphite_transform_loops): Cleanup.
5814
5815         * graphite.h: Move to sese & cleanup.
5816         * sese.c: New.
5817         * sese.h: New.
5818
5819 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5820             Tobias Grosser  <grosser@fim.uni-passau.de>
5821
5822         * graphite.c (build_scop_conditions_1): Conditions are only
5823         at the end of a basic block.
5824
5825 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5826             Tobias Grosser  <grosser@fim.uni-passau>
5827
5828         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5829         field.
5830         (GBB_ALPHA): Removed.
5831
5832 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5833             Tobias Grosser  <grosser@fim.uni-passau.de>
5834
5835         * graphite-data-ref.c (graphite_test_dependence): Don't use
5836         GBB_DYNAMIC_SCHEDULE.
5837         * graphite.c (new_graphite_bb): Same.
5838         (free_graphite_bb): Same.
5839         (build_scop_dynamic_schedules): Removed.
5840         (graphite_transform_loops): Don't call it.
5841         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5842         (GBB_DYNAMIC_SCHEDULE): Removed.
5843
5844 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5845             Tobias Grosser  <grosser@fim.uni-passau.de>
5846
5847         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5848         (print_graphite_bb): Same.
5849         (build_cloog_prog): Same.
5850
5851 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5852             Tobias Grosser  <grosser@fim.uni-passau.de>
5853
5854         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5855
5856 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5857             Tobias Grosser  <grosser@fim.uni-passau.de>
5858
5859         * graphite.c (build_scop_context): Don't use CloogMatrix.
5860         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5861         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5862
5863 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5864             Tobias Grosser  <grosser@fim.uni-passau.de>
5865
5866         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5867         liveout_renames, add_params fields...
5868         (struct sese): ... here.
5869         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5870         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5871
5872 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5873             Tobias Grosser  <grosser@fim.uni-passau.de>
5874
5875         * graphite.c (print_scop): Do not print the CLooG program.
5876         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5877         build_cloog_prog, gloog): Don't use SCOP_PROG.
5878         (find_transform): Renamed scop_to_clast.
5879         (print_generated_program, debug_generated_program): New.
5880         (graphite_transform_loops): Adapt to new interface.
5881         * graphite.h (struct scop): Remove program field.
5882         (SCOP_PROG): Removed.
5883         (print_generated_program, debug_generated_program): Declared.
5884
5885 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5886
5887         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5888         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5889         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5890         free_graphite_bb, build_scop_canonical_schedules,
5891         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5892         schedules are now represented using a ppl_Linear_Expression_t.
5893         * graphite.h (struct graphite_bb): Same.
5894         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5895         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5896
5897 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5898
5899         * graphite.c: Free local memory.
5900         * graphite-ppl.c: Same.
5901
5902 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5903
5904         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5905         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5906         swap_constraint_variables, scale_constraint_variable): Removed.
5907         (graphite_trans_bb_strip_mine): Remove pong.
5908         * graphite-ppl.c: Include missing header files.
5909         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5910         * graphite-ppl.h (ppl_strip_loop): Declared.
5911         * Makefile.in (graphite-ppl.o): Adjust dependences.
5912
5913 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5914
5915         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5916         (build_scop_iteration_domain): Same.
5917
5918 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5919
5920         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5921         ping pong.
5922         (add_value_to_dim, scan_tree_for_params_right_scev,
5923         scan_tree_for_params_int): New.
5924         * graphite-ppl.c (oppose_constraint): New.
5925         (insert_constraint_into_matrix): Implement missing cases.
5926         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5927
5928 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5929
5930         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5931         use ppl_move_dimension.
5932
5933 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5934
5935         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5936         * graphite.c: Same.
5937         * graphite.h: Same.
5938         * graphite-ppl.c: Same.
5939         * graphite-ppl.h: Same.
5940
5941 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5942
5943         Revert last 3 commits.
5944
5945 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5946
5947         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5948         ping pong.
5949         (add_value_to_dim, scan_tree_for_params_right_scev,
5950         scan_tree_for_params_int): New.
5951         * graphite-ppl.c (oppose_constraint): New.
5952         (insert_constraint_into_matrix): Implement missing cases.
5953         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5954
5955 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5956
5957         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5958
5959 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5960             Tobias Grosser  <grosser@fim.uni-passau.de>
5961
5962         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5963         use ppl_move_dimension.
5964         * graphite-ppl.c (ppl_move_dimension): New.
5965         * graphite-ppl.h (ppl_move_dimension): Declared.
5966
5967 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5968
5969         * graphite.c: Do not include cloog/cloog.h.
5970         (print_graphite_bb): Remove ping pong, call PPL print function.
5971
5972 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5973
5974         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5975         (graphite.o): Add dependence on graphite-ppl.h.
5976         (graphite-ppl.o): New.
5977         (graphite-data-ref.c): Ping pong between PPL data structures
5978         and matrices.
5979         * graphite-ppl.c: New.
5980         * graphite-ppl.h: New.
5981         * graphite.c: Include graphite-ppl.h.
5982         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5983         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5984         Ping pong between PPL data structures and matrices.
5985         (new_graphite_bb): Create a PPL constraint system.
5986         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5987         (build_loop_iteration_domains): Use PPL functions.
5988         * graphite.h: Include graphite-ppl.h.  Fix comments.
5989         (graphite_bb): Use a ppl_Constraint_System_t instead of
5990         CloogMatrix for representing the domain.
5991         (scop): Remove static_schedule.
5992         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5993
5994 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5995
5996         * graphite.c: Fix some comments.
5997
5998 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5999
6000         PR middle-end/38953
6001         * graphite.c (if_region_set_false_region): After moving a region
6002         in the false branch of a condition, remove the empty dummy
6003         basic block.
6004         (gloog): Remove wrong fix for PR38953.
6005
6006 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6007
6008         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6009         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6010         register_bb_in_sese, new_sese, free_sese): Moved.
6011         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6012         outermost_loop_in_scop, build_scop_iteration_domain,
6013         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6014         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6015         Use loop_in_sese_p instead of loop_in_scop_p.
6016         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
6017         (free_scop): Do not free SCOP_BBS_B.
6018         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
6019         ref_nb_loops): Moved here...
6020         * graphite.h (ref_nb_loops): ... from here.
6021         (struct scop): Remove bbs_b bitmap.
6022         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6023         * gcc.dg/graphite/scop-19.c: New
6024
6025 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6026
6027         * graphite.c (scopdet_basic_block_info): Fix bug in scop
6028         detection.
6029
6030 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6031
6032         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6033         eq_loop_to_cloog_loop): Remove.
6034         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
6035         * graphite.h (struct scop): Remove loop2cloog_loop.
6036         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6037
6038 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6039
6040         * opts.c (decode_options): Only add graphite options to O2
6041         if we compile with graphite enabled.
6042
6043 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6044
6045         * Merge from mainline (r143163:143684).
6046
6047 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6048
6049         * graphite.c (debug_value): Removed.
6050         * graphite.h (debug_value): Removed.
6051
6052 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6053
6054         * passes.c (init_optimization_passes): Do not call pass_copy_prop
6055         after graphite: pass_copy_prop does not maintain a proper loop closed
6056         SSA form.  pass_copy_prop should be fixed.
6057
6058 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6059
6060         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
6061
6062 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6063
6064         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6065         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6066         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6067         changed the CFG.
6068
6069 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6070
6071         * graphite.c (gloog): Return true when code gen succeeded.
6072         (graphite_transform_loops): Do not call cleanup_tree_cfg if
6073         the code of the function did not changed.  After cleanup_tree_cfg
6074         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
6075         form.
6076
6077 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
6078
6079         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6080         gimple_call_lhs is NULL.
6081
6082 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6083             Tobias Grosser  <tobi.grosser@amd.com>
6084
6085         * graphite.c (graphite_trans_scop_block): Do not block single
6086         nested loops.
6087
6088 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6089             Tobias Grosser  <tobi.grosser@amd.com>
6090
6091         * graphite.c (build_scop_canonical_schedules): Start schedules at
6092         zero.
6093
6094 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6095             Tobias Grosser  <tobi.grosser@amd.com>
6096
6097         * graphite.c (compare_prefix_loops): New.
6098         (build_scop_canonical_schedules): Rewritten.
6099         (graphite_transform_loops): Move build_scop_canonical_schedules
6100         after build_scop_iteration_domain.
6101
6102 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6103             Tobias Grosser  <tobi.grosser@amd.com>
6104
6105         * graphite.c (add_conditions_to_domain): Add the loops to
6106         the dimension of the iteration domain.  Do copy the domain
6107         only when it exists.
6108         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6109         (add_conditions_to_constraints): New.
6110         (can_generate_code_stmt, can_generate_code): Removed.
6111         (gloog): Do not call can_generate_code.
6112         (graphite_transform_loops): Call add_conditions_to_constraints
6113         after building the iteration domain.
6114
6115 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6116             Tobias Grosser  <tobi.grosser@amd.com>
6117             Jan Sjodin  <jan.sjodin@amd.com>
6118
6119         * graphite.c (scan_tree_for_params): On substractions negate
6120         all the coefficients of the term.
6121         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6122         of more than two operands.
6123         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6124         (get_vdef_before_scop): Handle also the case of default definitions.
6125
6126 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6127
6128         PR middle-end/38431
6129         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6130         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6131         (gloog): Do not call cleanup_tree_cfg.
6132         (graphite_transform_loops): Call cleanup_tree_cfg after all
6133         scops have been code generated.
6134
6135 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6136
6137         * passes.c (init_optimization_passes): Schedule after
6138         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
6139
6140 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6141
6142         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
6143         Fix comment.
6144         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
6145         Set the type of an expression to the type of its assign statement.
6146         (expand_scalar_variables_expr):  Do not pass loop_p.
6147         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6148         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6149         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6150
6151 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6152
6153         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
6154         an expression to the gimple_expr_type of its assign statement.
6155         (expand_scalar_variables_expr): Stop recursion on tcc_constant
6156         or tcc_declaration.
6157
6158 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6159
6160         PR tree-optimization/38786
6161         * gcc.dg/graphite/pr38786.c: New.
6162         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6163         the SSA_NAME case of expand_scalar_variables_expr.
6164         (expand_scalar_variables_expr): Also gather the scalar computation
6165         used to index the memory access.
6166         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6167         the gimple_stmt_iterator where it inserts new code.
6168
6169 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6170
6171         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
6172
6173 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6174
6175         * opts.c (decode_options): Enable flag_graphite_identity and
6176         flag_loop_block in -O2 and above.
6177
6178 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6179
6180         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
6181         Fix merge problem: replace with the file from trunk.
6182
6183 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6184
6185         * Merge from mainline (r141727:143163).
6186
6187 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6188             Jan Sjodin  <jan.sjodin@amd.com>
6189
6190         PR tree-optimization/38559
6191         * gcc.dg/graphite/pr38559.c: New.
6192
6193         * graphite.c (debug_value, copy_constraint,
6194         swap_constraint_variables, scale_constraint_variable, ): New.
6195         (get_lower_bound, get_upper_bound): Removed.
6196         (graphite_trans_bb_strip_mine): Clean up this code that works
6197         only for constant number of iterations.  Fully copy upper and
6198         lower bound constraints, not only the constant part of them.
6199         * graphite.h (debug_value): Declared.
6200
6201 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6202
6203         PR tree-optimization/38492
6204         PR tree-optimization/38498
6205         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6206         * tree-chrec.h (scev_is_linear_expression): Declared.
6207         * graphite.c (graphite_cannot_represent_loop_niter): New.
6208         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6209         (graphite_loop_normal_form): Use gcc_assert.
6210         (scan_tree_for_params): Use CASE_CONVERT.
6211         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6212         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6213         Use gcc_assert.  Discard scops that contain unhandled cases.
6214         (build_scop_conditions): Return a boolean status for unhandled cases.
6215         (strip_mine_profitable_p): Print the loop number, not its depth.
6216         (is_interchange_valid): Pass the depth of the loop nest, don't
6217         recompute it wrongly.
6218         (graphite_trans_bb_block): Same.
6219         (graphite_trans_bb_block): Print tentative of loop blocking.
6220         (graphite_trans_scop_block): Do not print that the loop has been
6221         blocked.
6222         (graphite_transform_loops): Do not handle scops that contain condition
6223         scalar phi nodes.
6224
6225         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6226         in trunk.
6227         * gcc.dg/graphite/block-0.c: Update test.
6228         * gcc.dg/graphite/block-1.c: Same.
6229         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6230         blocking.
6231         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6232         * gcc.dg/graphite/block-3.c: New.
6233         * gcc.dg/graphite/pr38498.c: New.
6234
6235 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6236
6237         PR tree-optimization/38510
6238         * gcc.dg/graphite/pr38510.c: New.
6239         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6240           (translate_clast): Call recompute_all_dominators before
6241           graphite_verify.
6242           (gloog): Call recompute_all_dominators before graphite_verify.
6243
6244 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6245
6246         PR tree-optimization/38492
6247         * graphite.c (rename_map_elt, debug_rename_elt,
6248         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6249         rename_map_elt_info, eq_rename_map_elts,
6250         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6251         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6252         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6253         (sese_build_livein_liveouts): New.
6254         (new_sese, free_sese): New.
6255         (new_scop): Call new_sese.
6256         (free_scop): Call free_sese.
6257         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6258         (register_old_new_names): Renamed register_old_and_new_names.
6259         (register_scop_liveout_renames, add_loop_exit_phis,
6260         insert_loop_close_phis, struct igp,
6261         default_liveout_before_guard, add_guard_exit_phis,
6262         insert_guard_phis, copy_renames): New.
6263         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6264         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6265         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6266         (scop_adjust_phis_for_liveouts): New.
6267         (gloog): Call scop_adjust_phis_for_liveouts.
6268
6269         * graphite.h (struct sese): Documented.  Added fields liveout,
6270         num_ver and livein.
6271         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6272         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6273         (struct scop): Added field liveout_renames.
6274         (SCOP_LIVEOUT_RENAMES): New.
6275
6276 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6277
6278         PR tree-optimization/38409
6279         * gcc.dg/graphite/pr38409.c: New.
6280         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6281
6282 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6283
6284         * graphite.c (gcc_type_for_cloog_iv): By default return
6285         integer_type_node.
6286         (graphite_create_new_loop): Don't fold_convert the already
6287         fold_convert-ed expression.
6288
6289 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6290
6291         PR tree-optimization/38446
6292         * gcc.dg/graphite/pr38446.c: New.
6293         * graphite.c (register_bb_in_sese): New.
6294         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6295         looking at the bbs in the region.
6296         * graphite.h (sese): Add region_basic_blocks pointer set to
6297         structure and initialize at the time of defining new scop.
6298
6299 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6300
6301         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6302         (find_params_in_bb): Do not free data refs.
6303         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6304
6305 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6306
6307         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6308         * gcc.dg/graphite/scop-17.c: Same.
6309         * gcc.dg/graphite/block-5.c: New.
6310         * gcc.dg/graphite/block-6.c: New.
6311         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6312         * gcc.dg/graphite/pr37684.c: Same.
6313         * gcc.dg/graphite/block-2.c: Same.
6314
6315         * graphite.c (struct ivtype_map_elt): New.
6316         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6317         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6318         gcc_type_for_cloog_iv): New.
6319         (loop_iv_stack_patch_for_consts): Use the type of the induction
6320         variable from the original loop, except for the automatically
6321         generated loops, i.e., in the case of a strip-mined loop, in
6322         which case there is no original loop: in that case just use
6323         integer_type_node.
6324         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6325         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6326         (clast_name_to_gcc): Accept params to be NULL.
6327         (clast_to_gcc_expression): Take an extra parameter for the type.
6328         Convert to that type all the expressions built by this function.
6329         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6330         (graphite_translate_clast_equation): Compute the type of the
6331         clast_equation before translating its LHS and RHS.
6332         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6333         (graphite_create_new_loop): Compute the type of the induction
6334         variable before translating the lower and upper bounds and before
6335         creating the induction variable.
6336         (rename_variables_from_edge, rename_phis_end_scop): New.
6337         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6338         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6339         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6340         compute_cloog_iv_types): New.
6341         (gloog): Call compute_cloog_iv_types before starting the
6342         translation of the clast.
6343
6344         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6345         (GBB_CLOOG_IV_TYPES): New.
6346         (debug_ivtype_map): Declared.
6347         (oldiv_for_loop): New.
6348
6349 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6350
6351         PR middle-end/38459
6352         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6353         (param_index): Assert if parameter is not know after parameter
6354         detection.
6355         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6356         (find_scop_parameters): Mark, that we have finished parameter
6357         detection.
6358         (graphite_transform_loops): Move condition detection before parameter
6359         detection.
6360         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6361         * gfortran.dg/graphite/pr38459.f90: New.
6362
6363 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6364
6365         * graphite.c (graphite_transform_loops): Always call find_transform ()
6366         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6367         generate code.
6368
6369 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6370
6371         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6372         (print_scop): Ditto.
6373
6374 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6375
6376         PR middle-end/38084
6377         Fix gfortran.dg/graphite/id-3.f90.
6378         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6379         regions more than once.
6380
6381 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6382
6383         Fix gfortran.dg/graphite/id-4.f90.
6384         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6385         when not needed.
6386
6387 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6388
6389         Fix gfortran.dg/graphite/id-1.f90.
6390         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6391         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6392         (max_precision_type): New.
6393         (value_clast): Removed.
6394         (clast_to_gcc_expression): Be more careful to types of expressions.
6395         Use max_precision_type and update use of gmp_cst_to_tree.
6396         (graphite_translate_clast_equation): Use max_precision_type.
6397         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6398         use the type of the condition.
6399         (graphite_create_new_loop): Do not use integer_type_node, use the
6400         max_precision_type of lb and ub.
6401
6402 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6403
6404         * graphite.c (build_scops_1): Initialize open_scop.exit
6405         and sinfo.last.
6406
6407 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6408
6409         * gcc.dg/graphite/pr38084.c: New.
6410         * gfortran.dg/graphite/id-1.f90: New.
6411         * gfortran.dg/graphite/id-2.f90: New.
6412         * gfortran.dg/graphite/id-3.f90: New.
6413         * gfortran.dg/graphite/id-4.f90: New.
6414         * gfortran.dg/graphite/pr37857.f90: New.
6415
6416 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6417             Jan Sjodin  <jan.sjodin@amd.com>
6418             Harsha Jagasia  <harsha.jagasia@amd.com>
6419
6420         PR middle-end/37852
6421         PR middle-end/37883
6422         PR middle-end/37928
6423         PR middle-end/37980
6424         PR middle-end/38038
6425         PR middle-end/38039
6426         PR middle-end/38073
6427         PR middle-end/38083
6428         PR middle-end/38125
6429
6430         * gcc.dg/graphite/pr38073.c: New.
6431         * gcc.dg/graphite/pr37928.c: New.
6432         * gcc.dg/graphite/pr37883.c: New.
6433         * gcc.dg/graphite/pr38125.c: New.
6434         * gfortran.dg/graphite/pr38083.f90: New.
6435         * gfortran.dg/graphite/pr37852.f90: New.
6436         * gfortran.dg/graphite/pr37980.f90: New.
6437
6438         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6439         the number of detected scops.  Copy exact same test for loop
6440         blocking...
6441         * gcc.dg/graphite/block-1.c: Fix the number of expected
6442         loops to be blocked as reductions are not handled.
6443         * gcc.dg/graphite/block-4.c: ...here.  New.
6444
6445         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6446         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6447         ...here.
6448         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6449         * Makefile.in (graphite.o): Depend on value-prof.h.
6450         (graphite.o-warn): Removed -Wno-error.
6451         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6452         to be a NULL pointer.  Call update_stmt.  Return the newly created
6453         cannonical induction variable.
6454
6455         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6456
6457         * graphite.c: Reimplement the code generation from graphite to gimple.
6458         Include value-prof.h.
6459         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6460         (get_old_iv_from_ssa_name): Removed.
6461         (graphite_stmt_p): New.
6462         (new_graphite_bb): Test for useful statements before building a
6463         graphite statement for the basic block.
6464         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6465         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6466         reason.
6467         (recompute_all_dominators, graphite_verify,
6468         nb_reductions_in_loop, graphite_loop_normal_form): New.
6469         (scop_record_loop): Call graphite_loop_normal_form.
6470         (build_scop_loop_nests): Iterate over all the blocks of the
6471         function instead of relying on the incomplete information from
6472         SCOP_BBS.  Return the success of the operation.
6473         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6474         (add_bb_domains): Removed.
6475         (build_loop_iteration_domains): Don't call add_bb_domains.
6476         Add the iteration domain only to the basic blocks that have been
6477         translated to graphite.
6478         (build_scop_conditions_1): Add constraints only if the basic
6479         block have been translated to graphite.
6480         (build_scop_data_accesses): Completely disabled until data
6481         dependence is correctly implemented.
6482         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6483         (remove_all_edges_1, remove_all_edges): Removed.
6484         (get_new_name_from_old_name): New.
6485         (graphite_rename_variables_in_stmt): Renamed
6486         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6487         Use replace_exp and update_stmt.
6488         (is_old_iv): Renamed is_iv.
6489         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6490         Use replace_exp and update_stmt.
6491         (expand_scalar_variables_expr): Same.  Use the map to get the
6492         new names for the renaming of induction variables and for the
6493         renaming of variables after a basic block has been copied.
6494         (expand_scalar_variables): Same.
6495         (graphite_rename_variables): Renamed rename_variables.
6496         (move_phi_nodes): Removed.
6497         (get_false_edge_from_guard_bb): New.
6498         (build_iv_mapping): Do not insert the induction variable of a
6499         loop in the renaming iv map if the basic block does not belong
6500         to that loop.
6501         (register_old_new_names, graphite_copy_stmts_from_block,
6502         copy_bb_and_scalar_dependences): New.
6503         (translate_clast): Heavily reimplemented: copy basic blocks,
6504         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6505         At each translation step call graphite_verify ensuring the
6506         consistency of the SSA, loops and dominators information.
6507         (collect_virtual_phis, find_vdef_for_var_in_bb,
6508         find_vdef_for_var_1, find_vdef_for_var,
6509         patch_phis_for_virtual_defs): Removed huge hack.
6510         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6511         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6512         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6513         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6514         if_region_get_condition_block, if_region_set_false_region,
6515         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6516         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6517         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6518         rewrite_into_sese_closed_ssa): New.
6519         (gloog): Remove dead code.  Early return if code cannot be
6520         generated.  Call cleanup_tree_cfg once the scop has been code
6521         generated.
6522         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6523         block loops with less than two loops.
6524         (graphite_apply_transformations): Remove the call to
6525         scop_remove_ignoreable_gbbs.
6526         (limit_scops): When build_scop_loop_nests fails, continue on
6527         the next scop.  Fix open_scop.entry.
6528         (graphite_transform_loops): Call recompute_all_dominators: force the
6529         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6530         Call initialize_original_copy_tables and free_original_copy_tables
6531         to be able to copy basic blocks during code generation.
6532         When build_scop_loop_nests fails, continue on next scop.
6533         (value_clast): New union.
6534         (clast_to_gcc_expression): Fix type cast warning.
6535
6536 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6537
6538         * Merge from mainline (r140838:141727).
6539
6540 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6541
6542         PR middle-end/37833
6543
6544         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6545
6546 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6547
6548         PR middle-end/37943
6549
6550         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6551         exits and conditions.
6552         * gcc.dg/graphite/pr37943.c: New.
6553
6554 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6555
6556         PR middle-end/37886
6557         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6558
6559 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6560
6561         * doc/invoke.texi: Fix spaces.
6562
6563 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6564
6565         PR tree-optimization/37891
6566         Reverted last commit.
6567         * graphite.c (create_single_entry_edge): Set
6568         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6569
6570 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6571             Mitul Thakkar  <mitul.thakkar@amd.com>
6572
6573         * graphite.c (create_single_entry_edge): Set
6574         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6575
6576 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6577
6578         * doc/invoke.texi: Add -fgraphite-identity.
6579         * graphite.c (graphite_apply_transformations): Check for
6580         -fgraphite-identity.
6581         * toplev.c (process_options): Add flag_graphite_identity.
6582         * tree-ssa-loop.c: Add flag_graphite_identity.
6583
6584 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6585
6586         Undo changes from 2008-10-02:
6587         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6588         operand type when copying the operand to a variable of different type.
6589         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6590         with the IV name after increment.
6591
6592 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6593             Harsha Jagasia  <harsha.jagasia@amd.com>
6594
6595         PR tree-optimization/37828
6596         * gcc.dg/graphite/pr37828.c: New.
6597         * graphite.c (graphite_trans_loop_block): Do not loop block
6598         single nested loops.
6599
6600 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6601             Sebastian Pop  <sebastian.pop@amd.com>
6602
6603         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6604         rename_map_elt_info, eq_rename_map_elts): New.
6605         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6606         (expand_scalar_variables_expr): Change parameters.
6607         (expand_scalar_variables_stmt): Same.
6608         (expand_scalar_variables): Same.
6609         (graphite_rename_ivs): Rename graphite_rename_variables.
6610         (build_iv_mapping): New.
6611         (translate_clast): Call build_iv_mapping.
6612         * graphite.h (gbb_p): New name.
6613
6614 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6615
6616         PR tree-optimization/37684
6617         * gcc.dg/graphite/pr37684.c: New.
6618         * graphite.c (exclude_component_ref): New.
6619         (is_simple_operand): Call exclude_component_ref.
6620
6621 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6622             Harsha Jagasia  <harsha.jagasia@amd.com>
6623
6624         PR tree-optimization/37485
6625         * gcc.dg/graphite/block-2.c: New
6626         * graphite.c (gmp_cst_to_tree): Moved.
6627         (iv_stack_entry_is_constant): New.
6628         (iv_stack_entry_is_iv): New.
6629         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6630         (loop_iv_stack_insert_constant): New.
6631         (loop_iv_stack_pop): Use new datatpype.
6632         (loop_iv_stack_get_iv): Same.
6633         (loop_iv_stack_get_iv_from_name): Same.
6634         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6635         (loop_iv_stack_patch_for_consts): New.
6636         (loop_iv_stack_remove_constants): New.
6637         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6638         (translate_clast): Call loop_iv_stack_patch_for_consts and
6639         loop_iv_stack_remove_constants.
6640         (gloog): Use new datatype.  Redirect construction edge to end
6641         block to avoid accidental deletion.
6642         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6643         iv stack entry.
6644         (union iv_stack_entry_data): New.  Data in iv stack entry.
6645         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6646
6647 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6648
6649         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6650         operand type when copying the operand to a variable of different type.
6651
6652 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6653
6654         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6655         with the IV name after increment.
6656
6657 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6658
6659         * Merge from mainline (r140164:140838).
6660
6661 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6662
6663         * graphite-data-ref.c: New.
6664         * graphite.c (print_scop): Also dump the dependence graph.
6665         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6666         (new_scop): Initialize SCOP_DEP_GRAPH.
6667         (build_scop_dynamic_schedules): New.
6668         (build_access_matrix_with_af): Fixed column numbering.
6669         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6670         * graphite.h: Add ifndef/define guards against multiple inclusion.
6671         (struct scop): Add dep_graph field.
6672         (SCOP_DEP_GRAPH): Defined.
6673         (ref_nb_loops): Fixed and moved to other position.
6674         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6675         (nb_loops_around_loop_in_scop): New.
6676         (graphite_dump_dependence_graph): Declared.
6677         (graphite_build_rdg_all_levels): Declared.
6678         (graphite_test_dependence): Declared.
6679         * Makefile.in (graphite-data-ref.o): New target.
6680
6681 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6682
6683         * Merge from mainline (139870:140164).
6684
6685 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6686
6687         * Merge from mainline (138275:139870).
6688         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6689         the commits from trunk broke the niter detection.
6690
6691 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6692
6693         * graphite.c: Add more documentation.  Fix formatting.
6694         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6695         loop_iv_stack_debug): Moved...
6696         (schedule_to_scattering): Move before use.
6697         (dot_all_scops): Include in "#if 0" the code for system
6698         call dotty.
6699
6700         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6701         loop_iv_stack_debug): ...here.
6702
6703 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6704
6705         * tree-phinodes.c (make_phi_node): Extern.
6706         (add_phi_node_to_bb): New.
6707         (create_phi_node): Call add_phi_node_to_bb.
6708         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6709         (remove_statement): Handle case where stored phi was updated
6710         and is no longer the same.
6711         * graphite.c (is_parameter): New.
6712         (is_old_iv): New.
6713         (expand_scalar_variables_expr): New.
6714         (expand_scalar_variables_stmt): New.
6715         (expand_scalar_variables): New.
6716         (move_phi_nodes): Create new phi instead of moving old one.
6717         (translate_clast): Call expand_scalar_variables.
6718         (find_vdef_for_var_in_bb): Also scan regular definitions.
6719         (skip_phi_defs): New.
6720         (collect_scop_exit_phi_args): New.
6721         (patch_scop_exit_phi_args): New.
6722         (gloog): Patch phis after scop.
6723         * tree-flow.h: (add_phi_node_to_bb): Declared.
6724         (make_phi_node): Declared.
6725
6726 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6727
6728         * graphite.c (end_scop): Split the entry of the scop when it
6729         is the header of the loop in which the scop is ending.
6730         (build_scops_1, limit_scops): Update uses of end_scop.
6731
6732 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6733
6734         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6735         SCOP_ENTRY or SCOP_EXIT.
6736
6737 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6738
6739         * graphite.c (get_construction_edge): Removed.
6740         (gloog): Construction edge is the scop entry edge.
6741
6742 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6743
6744         * graphite.c (can_generate_for_scop): Removed.
6745         (gloog): Do not call it.
6746
6747 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6748
6749         * graphite.c (new_scop): Entry of a scop is an edge.
6750         Initialize SESE region.
6751         (free_scop): Free SESE region.
6752         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6753         (split_difficult_bb): New, split from end_scop.
6754         (end_scop): Exit of a scop is an edge.
6755         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6756         not automatically updated and thus is always wrong.
6757         * graphite.h (struct sese): New.
6758         (SESE_ENTRY): New.
6759         (SESE_EXIT): New.
6760         (struct scop): New field for a SESE region.  Remove entry, exit.
6761         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6762         semantics as before.  Moved comment around.
6763
6764 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6765             Sebastian Pop  <sebastian.pop@amd.com>
6766
6767         * graphite.c (graphite_transform_loops): Always enable gloog
6768         and find_transform when ENABLE_CHECKING.
6769
6770 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6771
6772         * graphite.c (graphite_transform_loops): Move pretty printer
6773         of SCOPs before doing any transform.  Remove call to print_scops
6774         and dot_all_scops_1.
6775
6776 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6777
6778         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6779         (print_graphite_bb): Same.
6780
6781 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6782
6783         * graphite.c (dot_all_scops_1): Cleanup.
6784         (move_scops): Fix comment.
6785
6786 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6787
6788         * graphite.c (build_scop_bbs): Revert commit 139355:
6789
6790         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6791                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6792
6793                 * graphite.c (build_scop_bbs): Factor up code.
6794
6795 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6796
6797         * graphite.c (gloog): Update dominator info.
6798
6799 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6800
6801         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6802
6803 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6804
6805         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6806         initialization.
6807         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6808         (translate_clast): Correct formatting.
6809         * graphite.h (struct num_map): Removed.
6810         (struct graphite_bb): Remove num_map field.
6811         (GBB_INDEX_TO_NUM_MAP): Removed.
6812
6813 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6814
6815         * graphite.c (build_access_matrix_with_af): Fix comments.
6816         (build_scop_data_accesses): Same.
6817
6818 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6819
6820         * graphite.c (build_scop_data_accesses): Don't construct
6821         access matrices.  Add a FIXME and an assert condition that
6822         should pass when the access matrices will be needed.
6823
6824 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6825
6826         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6827         really_constant_p.
6828         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6829         Moved close by free_graphite_bb.
6830         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6831         (new_scop): Move close by free_scop.
6832         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6833
6834 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6835
6836         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6837         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6838         instead of recursive call.
6839         (graphite_translate_clast_equation): New.
6840         (graphite_create_guard_cond_expr): New.
6841         (graphite_create_new_guard): New.
6842         (get_stack_index_from_iv): Removed.
6843         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6844         (get_true_edge_from_guard_bb): New.
6845         (translate_clast): Handle stmt_guard in clast.
6846         (get_construction_edge): Allow construction edge detection for
6847         a scope entry with multiple predecessors if one predecessor is
6848         the immediate dominator of scope entry.
6849         (can_generate_code_stmt): Enable code generation for clast_guard.
6850         (gloog): Use correct context loop.  Removed check for post dominators.
6851         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6852
6853 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6854
6855         * graphite.c (remove_dead_loops): Document better which
6856         loops are removed.
6857
6858 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6859
6860         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6861         and PPLINC.
6862         (graphite.o): Also depends on pointer-set.h.
6863
6864 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6865
6866         * graphite.c (scop_record_loop): Fix compile warning.
6867
6868 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6869             Sebastian Pop  <sebastian.pop@amd.com>
6870
6871         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6872
6873 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6874
6875         * graphite.c (build_graphite_bb): Initialize bb->aux to
6876         point to the graphite_bb_p.
6877         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6878         content of bb->aux.
6879         (add_bb_domains): Does not use the scop parameter.
6880         (graphite_transform_loops): Clean bb->aux at the end.
6881
6882 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6883             Sebastian Pop  <sebastian.pop@amd.com>
6884
6885         * lib/target-supports.exp
6886         (check_effective_target_fgraphite): New.
6887
6888         * gcc.dg/graphite/graphite.exp: Early exit when
6889         check_effective_target_fgraphite returns false.
6890         Set dg-do-what-default to compile.
6891         (scan-graphite-dump-times): Removed.
6892         * gfortran.dg/graphite/graphite.exp: Same.
6893
6894         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6895         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6896         * gcc.dg/graphite/scop-1.c: Same.
6897         * gcc.dg/graphite/scop-2.c: Same.
6898         * gcc.dg/graphite/scop-3.c: Same.
6899         * gcc.dg/graphite/scop-4.c: Same.
6900         * gcc.dg/graphite/scop-5.c: Same.
6901         * gcc.dg/graphite/scop-6.c: Same.
6902         * gcc.dg/graphite/scop-7.c: Same.
6903         * gcc.dg/graphite/scop-8.c: Same.
6904         * gcc.dg/graphite/scop-9.c: Same.
6905         * gcc.dg/graphite/scop-10.c: Same.
6906         * gcc.dg/graphite/scop-11.c: Same.
6907         * gcc.dg/graphite/scop-12.c: Same.
6908         * gcc.dg/graphite/scop-13.c: Same.
6909         * gcc.dg/graphite/scop-matmult.c: Same.
6910         * gcc.dg/graphite/scop-14.c: Same.
6911         * gcc.dg/graphite/scop-15.c: Same.
6912         * gcc.dg/graphite/block-0.c: Same.
6913         * gcc.dg/graphite/scop-16.c: Same.
6914         * gcc.dg/graphite/block-1.c: Same.
6915         * gcc.dg/graphite/scop-17.c: Same.
6916         * gcc.dg/graphite/scop-18.c: Same.
6917         * gfortran.dg/graphite/block-1.f90: Same.
6918         * gfortran.dg/graphite/scop-1.f: Same.
6919         * gfortran.dg/graphite/block-2.f: Same.
6920
6921 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6922
6923         * graphite.c: Fix some XXX comments.
6924         (build_scop_dynamic_schedules): Removed.
6925
6926 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6927
6928         * graphite.h (scop_max_loop_depth): Moved...
6929         * graphite.c (scop_max_loop_depth): ...here.
6930         (remove_all_edges_1): New.
6931         (remove_all_edges): Factored code.
6932         (remove_cond_exprs): Check only the last statement for
6933         a GIMPLE_COND expression.
6934
6935 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6936
6937         * graphite.c (scan_tree_for_params): Early return when the
6938         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6939         (find_scop_parameters): Factor out code.
6940         (graphite_trans_bb_strip_mine): Remove dead code.
6941
6942 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6943
6944         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6945         graphite_trans_bb_move_loop): Factor asserts.
6946         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6947         Do not call calculate_dominance_info and estimate_bb_frequencies.
6948
6949 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6950
6951         * graphite.c (create_loops_mapping, free_loops_mapping,
6952         create_loops_mapping_num, debug_loop_mapping_1,
6953         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6954         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6955         graphite_loops_mapping_add_child_num,
6956         graphite_loops_mapping_insert_child,
6957         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6958         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6959         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6960         create_num_from_index, get_num_from_index,
6961         swap_loop_mapped_depth): Removed.
6962         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6963         (free_scop): Do not call free_loops_mapping.
6964         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6965         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6966         get_loop_mapped_depth.
6967         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6968         (graphite_trans_bb_strip_mine): Same.
6969         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6970         (struct scop): Remove field loops_mapping.
6971
6972 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6973             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6974
6975         * graphite.c (scop_record_loop): Factor out one level of the
6976         condition by early return.
6977         (build_scop_loop_nests): Format following FSF coding style.
6978         (build_scop_dynamic_schedules): Factor out code.
6979         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6980
6981 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6982             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6983
6984         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6985         assignments that are not handled as simple operands for now.
6986
6987 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6988             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6989
6990         * graphite.c (build_scop_bbs): Factor up code.
6991
6992 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6993             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6994
6995         * graphite.c (stmt_simple_for_scop_p): Factor code out
6996         of the loop.
6997         (enum gbb_type): New.  Group all the GBB_* types under it.
6998         (is_loop_exit): Moved...
6999         (end_scop): Enable BB spliting.
7000         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
7001         * cfgloop.h (is_loop_exit): Declared.
7002
7003 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7004
7005         * doc/invoke.texi: Remove strides from examples containing
7006         DO loops when the strides are equal to 1.
7007
7008 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
7009             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7010
7011         * graphite.c (graphite_trans_scop_block): Or the result with
7012         the result from graphite_trans_loop_block.
7013         * gcc.dg/graphite/block-1.c: New.
7014         * gfortran.dg/graphite/block-1.f90: New.
7015         * gfortran.dg/graphite/block-2.f: New.
7016
7017 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7018
7019         * graphite.c (graphite_transform_loops): Call cloog_initialize
7020         and cloog_finalize.
7021
7022 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7023
7024         * tree-data-ref.c) (stmt_simple_memref_p): New.
7025         * tree-data-ref.h (stmt_simple_memref_p): Declared.
7026         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
7027         (is_simple_operand): Call stmt_simple_memref_p.
7028
7029         * gcc.dg/graphite/scop-matmult.c: Updated for not
7030         using pointer arithmetic, as this is optimized by PRE and
7031         makes the code too difficult to analyze.
7032
7033         * gcc.dg/graphite/scop-18.c: Same.
7034
7035 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7036
7037         * gdbinit.in (pgg): New.
7038
7039 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7040
7041         * graphite.c (graphite_trans_loop_block): Fix warning.
7042
7043 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7044
7045         * graphite.c (graphite_trans_loop_block): Fix my merge error.
7046
7047 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7048
7049         * graphite.c (graphite_trans_bb_block): Remove check for
7050         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
7051         Check if loop blocking is profitable for every loop, before applying
7052         the changes.
7053         (graphite_apply_transformations): Call graphite_trans_bb_block only,
7054         if flag_loop_block is set.
7055
7056 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7057
7058         * graphite.c: Add some more documentation for the loop
7059         mapping.
7060
7061 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7062
7063         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
7064         * graphite.c: Format on less than 80 columns.
7065         * graphite.h: Same.
7066
7067 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7068
7069         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
7070
7071 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7072
7073         * doc/invoke.texi (floop-block, floop-strip-mine,
7074         floop-interchange): Update documentation with examples.
7075
7076 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7077
7078         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
7079         add_referenced_var.
7080         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
7081
7082 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7083
7084         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
7085         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
7086         * tree-scalar-evolution.c: Revert useless changes.
7087         * tree-phinodes.c: Same.
7088         * cfghooks.c: Same.
7089         * vec.h: Same.
7090         * tree-vectorizer.h: Same.
7091         * tree-flow.h: Same.
7092         * tree-cfg.c: Same.
7093         * common.opt (fgraphite): Update documentation.
7094
7095 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
7096
7097         * doc/invoke.texi (-floop-block, -floop-strip-mine,
7098         -floop-interchange): Add more text for explaining what each of these
7099         flags is doing.
7100         * tree-into-ssa.c (gimple_vec): Moved to...
7101         * graphite.c: Include gimple.h.
7102         (gimple_vec): Moved to...
7103         (del_loop_to_cloog_loop): Removed.
7104         (loop_affine_expr): Do not call create_data_ref when the
7105         operand is a constant.
7106         (new_scop): Use free instead of del_loop_to_cloog_loop.
7107         * Makefile.in (graphite.o): Depend on GIMPLE_H.
7108         * gimple.h (gimple_vec): ... here.
7109
7110 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7111
7112         * graphite.c (scopdet_bb_info): Only allow loops with known number of
7113         latch executions.
7114         (build_loop_iteration_domains): Fail, if latch executions unknown.
7115
7116 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7117
7118         * graphite.c (add_conditions_to_domain): New.
7119         (build_scop_conditions_1): Call add_conditions_to_domain.
7120         (set_cloog_options): Allow to disable optimizations.
7121
7122 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7123
7124         * graphite.c (find_params_in_bb): Look for parameters in conditions.
7125         Do not use walk_dominator_tree.
7126         (find_scop_parameters): Do not use walk_dominator_tree.
7127
7128 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7129
7130         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
7131         (idx_record_params): Adapt.
7132         * graphite.h (scop_gimple_loop_depth): New.
7133
7134 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7135
7136         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
7137         (scan_tree_for_params): Remove value_init.
7138         (build_scop_context): Remove value_init.
7139         (build_loop_iteration_domains): Remove value_init.
7140         (schedule_to_scattering): Remove value_init.
7141         (graphite_trans_bb_strip_mine): Remove value_init.
7142
7143 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7144
7145         * gcc/graphite.c (limit_scops): New.
7146         (graphite_transform_loops): Add limit SCoPs.
7147         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
7148         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
7149         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
7150         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
7151         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
7152         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
7153         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
7154         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
7155         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
7156         Change loop numbers.
7157         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
7158         Change loop numbers.
7159         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
7160         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
7161         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
7162         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
7163         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
7164         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
7165         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
7166         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
7167         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
7168         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
7169
7170 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7171
7172         * graphite.c (graphite_transform_loops): Call always find_transform.
7173
7174 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7175
7176         * graphite.c (free_loops_mapping): New.
7177         (stmt_simple_for_scop_p): Fix typo.
7178         (stmt_simple_for_scop_p): Fix tuples functions, that
7179         broke polyhedron.
7180         (free_graphite_bb): Fix some memleaks.
7181         (free_scop): Fix some memleaks.
7182         (scopdet_bb_info): Do not forget some tmp SCoPs.
7183         (find_params_in_bb): Fix some memleaks.
7184         (clast_to_gcc_expression): Fix warning.
7185
7186 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7187
7188         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7189         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7190
7191 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7192
7193         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7194         Move code ifdef-ed HAVE_cloog...
7195         * graphite.c: Include toplev.h.
7196         ... here.
7197         * Makefile.in (OBJS-common): Always build graphite.o.
7198         (BACKEND): Remove @GRAPHITE@.
7199         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7200         (graphite.o): Depend on TOPLEV_H.
7201
7202 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7203
7204         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7205         Remove typo left from polylib to ppl conversion.
7206         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7207
7208 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7209
7210         * toplev.c (process_options): Move the graphite loop optimization
7211         flags...
7212         * tree-ssa-loop.c (graphite_transforms): ... here.
7213         When not configured with CLooG, print to dump_file that
7214         Graphite transforms were not performed.
7215         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7216         New.
7217         * gcc.dg/graphite/*.c: Updated all testcases to use
7218         scan-graphite-dump-times.
7219
7220 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7221
7222         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7223         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7224
7225 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7226             Jan Sjodin  <jan.sjodin@amd.com>
7227
7228         * configure: Regenerated.
7229         * omp-low.c (expand_omp_sections): Remove now unused code.
7230         * config.in (HAVE_polylib): Removed.
7231         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7232         (PPLLIBS, PPLINC): Added.
7233         * graphite.c: Replace unsigned with int wherever possible.
7234         Don't access Cloog's data structures, but use accessor functions.
7235         Clast's stmt->type is now implemented as a vtable: change the
7236         switches of stmt->type into ifs.
7237         (polylib/polylibgmp.h): Don't include.
7238         (initialize_dependence_polyhedron,
7239         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7240         statement_precedes_p, test_dependence, build_rdg_all_levels,
7241         dump_dependence_graph): Removed until this code is cleaned up
7242         or ported to Cloog.
7243         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7244         (POLYLIBINC): Renamed PPLINC.
7245
7246 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7247             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7248             Jan Sjodin  <jan.sjodin@amd.com>
7249
7250         Finish the merge and tuplification of graphite.
7251
7252 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7253             Jan Sjodin  <jan.sjodin@amd.com>
7254
7255         Partial merge from mainline (138072:138275).
7256         * graphite.c still has to be tuplified.
7257
7258 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7259
7260         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7261         (create_num_from_index): New.
7262         (get_num_from_index): Also pass in the graphite BB.
7263         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7264         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7265         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7266         (is_interchange_valid): Return false when failing.
7267         * graphite.h (struct num_map): New.
7268         (struct graphite_bb): New field num_map.
7269         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7270
7271 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7272
7273         * graphite.c (dump_gbb_conditions): Print also conditions like
7274         "if (a)".  Remove dublicated code and use print_generic_expr ().
7275         (stmt_simple_for_scop_p): Only allow conditions we can handle
7276         {<, <=, >, >=}.
7277
7278 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7279
7280         * graphite.h (struct scop): Removed new_ivs field.
7281         (SCOP_NEWIVS): Deleted.
7282         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7283         clast_to_gcc_expression, graphite_create_new_loop):
7284         Removed use of new_ivs.
7285
7286 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7287
7288         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7289         create_loops_mapping_num, debug_loop_mapping_1): New.
7290         (debug_loop_mapping): Call debug_loop_mapping_1.
7291         (get_loop_mapping_for_num,
7292         graphite_loops_mapping_add_child,
7293         graphite_loops_mapping_add_child_num,
7294         graphite_loops_mapping_insert_child,
7295         graphite_loops_mapping_parent,
7296         split_loop_mapped_depth_for_num,
7297         loop_mapped_depth_split_loop): New.
7298         (increment_loop_mapped_depths): Removed.
7299         (swap_loop_mapped_depth_for_num): Reimplemented.
7300         (new_scop): Call create_loops_mapping.
7301         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7302         (translate_clast): Pass the old loop father in parameter, and pass
7303         it to get_old_iv_from_ssa_name.
7304         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7305         can_generate_code, can_generate_for_scop): New.
7306         (graphite_trans_bb_block): Returns false when it fails to transform.
7307         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7308
7309 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7310
7311         Reverted all the changes related to the streamization and
7312         loop fusion.
7313         These changes are now tracked in the streamization branch.
7314
7315 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7316             Jan Sjodin  <jan.sjodin@amd.com>
7317
7318         * graphite.c (gbb_compare): Correctly constify.
7319         (gbb_can_be_ignored): Indent.
7320         (graphite_trans_scop_swap_1and2): Add legality check.
7321         Remove dead FIXMEs.
7322
7323 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7324
7325         Remove fallouts from "Reverted the Condate changes".
7326         * tree.h: Remove unused decl.
7327         * gcc.dg/tree-checker: Same.
7328         * timevar.def: Remove counter.
7329
7330 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7331
7332         * Merge from mainline (135673:138072).
7333
7334         Reverted the MIRO changes (from 2008-04-05) that are now
7335         tracked in the miro branch.
7336         * tree-bounds.c: Removed.
7337         * tree-bounds.h: Removed.
7338
7339         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7340         are now tracked in the condate branch.
7341         * tree-check.c: Removed.
7342         * tree-match.c: Removed.
7343         * condate.y: Removed.
7344
7345 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7346
7347         * common.opt: New user flag -floop-block, -floop-strip-mine
7348         and -floop-interchange.
7349         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7350         graphite loop optimization flags is turned on.
7351         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7352         flag_loop_strip_mine and flag_loop_interchange checks before
7353         optimizations.
7354         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7355         -floop-strip-mine and -floop-interchange.
7356         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7357         -fgraphite.
7358         * gcc.dg/graphite/scop-16.c: Ditto.
7359         * gcc.dg/graphite/scop-17.c: Ditto.
7360         * gcc.dg/graphite/scop-18.c: Ditto.
7361
7362 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7363             Sebastian Pop  <sebastian.pop@amd.com>
7364
7365         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7366         (create_empty_loop_on_edge): More fixes.
7367         * tree-phinodes.c (resize_phi_node): Extern.
7368         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7369         * cfghooks.c (update_dominator_information): New split from
7370         split_edge.
7371         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7372         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7373         successor of the function entry block.
7374
7375         * graphite.c: Include pointer-set.h.
7376         (debug_loop_mapping, increment_loop_mapped_depths,
7377         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7378         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7379         swap_loop_mapped_depth_for_num, get_num_from_index,
7380         swap_loop_mapped_depth, loop_iv_stack_debug,
7381         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7382         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7383         get_old_iv_from_ssa_name): New.
7384         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7385         (free_scop): Free SCOP_LOOPS_MAPPING.
7386         (scop_record_loop): Record old ivs.
7387         (create_var_name): Removed.
7388         (initialize_cloog_names): Allocate double space in case strip mine
7389         applies to all loops once.
7390         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7391         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7392         translation.
7393         (graphite_create_new_loop): Pass in ivstack.
7394         (remove_all_edges): Pass in the construction_edge.
7395         (graphite_remove_iv): Removed.
7396         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7397         remove_cond_exprs): Rewritten.
7398         (move_phi_nodes): New.
7399         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7400         (translate_clast): Pass in ivstack.  Rewrite some cases.
7401         (set_cloog_options, debug_clast_stmt): New.
7402         (find_transform): Use set_cloog_options.
7403         (outermost_loop_layer): Removed.
7404         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7405         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7406         mark_old_loops, remove_dead_loops): New.
7407         (gloog): Rewritten.
7408         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7409         (const_column_index, get_first_matching_sign_row_index,
7410         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7411         get_upper_bound): New.
7412         (graphite_trans_bb_strip_mine): Also update the iv map.
7413
7414         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7415         (struct name_tree): Add a loop field.
7416         (struct scop): Add a graphite_loops_mapping field.
7417         (SCOP_LOOPS_MAPPING): New.
7418         (debug_clast_stmt): Declare.
7419         * lambda.h (find_induction_var_from_exit_cond): Declare.
7420         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7421         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7422         (create_empty_loop_on_edge): Updated.
7423         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7424         rename_variables_in_bb): Declare.
7425         * tree-cfg.c (remove_bb): Extern.
7426
7427         * gcc.dg/graphite/block-0.c: New.
7428
7429 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7430             Sebastian Pop  <sebastian.pop@amd.com>
7431
7432         * graphite.c (strip_mine_profitable_p): New.
7433         (graphite_trans_bb_block): Disable strip mining if not profitable.
7434
7435         * gcc.dg/graphite/scop-18.c: New.
7436         * gcc.dg/graphite/scop-17.c: Fixed.
7437         * gcc.dg/graphite/scop-16.c: Fixed.
7438
7439 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7440             Jan Sjodin  <jan.sjodin@amd.com>
7441             Sebastian Pop  <sebastian.pop@amd.com>
7442
7443         * graphite.c (is_interchange_valid): New.
7444         (graphite_trans_bb_block): Check loop nest of basic block for legality
7445         of interchange.
7446
7447         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7448         outer_most_loop, gbb_outer_most_loop_index): New.
7449
7450         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7451         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7452         * gcc.dg/graphite/scop-16.c: New.
7453         * gcc.dg/graphite/scop-17.c: New.
7454
7455 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7456
7457         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7458         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7459
7460 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7461
7462         * graphite.c (new_scop): Initialize SCOP_EXIT.
7463         (scopdet_info): Add.
7464         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7465         (build_scops_1): Cleanup, bugfixes.
7466         (build_scops): Cleanup.
7467
7468         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7469         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7470
7471 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7472
7473         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7474
7475         * gfortran.dg/graphite/graphite.exp: Use
7476         DEFAULT_GRAPHITE_FLAGS.
7477
7478         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7479
7480 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7481
7482         * graphite.c (scan_tree_for_params): Do not assert any more if
7483         MULT_EXPR parameter is negative.
7484
7485         * gfortran.dg/graphite/scop-1.f: New.
7486
7487         * gfortran.dg/graphite/graphite.exp: New.
7488
7489         * gcc.dg/graphite/scop-15.c: New.
7490
7491 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7492
7493         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7494
7495 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7496
7497         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7498         graphite_swap_loops.
7499         (graphite_trans_bb_move_loop): New.
7500         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7501         (graphite_trans_bb_block): New.
7502         (graphite_trans_loop_block): New.
7503         (graphite_trans_scop_swap_1and2): Rename from
7504         graphite_trans_swap_1and2.
7505         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7506         (graphite_trans_scop_block): New.
7507         (graphite_apply_transformations): Rename from
7508         graphite_transformations.
7509
7510         * gcc.dg/graphite/scop-matmult.c: New.
7511
7512 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7513
7514         * graphite.c (gbb_compare): New.
7515         (graphite_sort_gbbs): New.
7516         (gbb_can_be_ignored): New.
7517         (scop_remove_ignoreable_gbbs): New.
7518         (graphite_transformations): Cleanup and add
7519         scop_remove_ignoreable_gbbs.
7520         * lambda.h (lambda_vector_compare): New.
7521
7522 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7523
7524         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7525         (graphite_swap_loops): int -> unsigned
7526         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7527         (graphite_transformations): New.
7528         (graphite_transform_loops): Move to graphite_transformations.
7529         * graphite.h (gbb_nb_loops): Return unsigned.
7530
7531 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7532
7533         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7534         the domain matrix.  This makes scop-0.c work again.
7535
7536 2008-06-20  Richard Guenther  <rguenther@suse.de>
7537
7538         * graphite.h: Adjust copyright to GPLv3.
7539         * graphite.c: Likewise.
7540         (stmt_simple_memref_for_scop_p): Split out from ...
7541         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7542         and simplify.
7543         (get_bb_type): Optimize.
7544         (is_pred): Remove.
7545         (is_bb_addable): Fix memleak, replace is_pred call with
7546         single_pred.
7547         (build_scops): Use current_loops.
7548         (param_index): Fix memleak.
7549
7550 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7551
7552         * graphite.c: Fix formatting.
7553
7554 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7555
7556         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7557         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7558         (create_var_name, save_var_name): Newly defined functions.
7559         (initialize_cloog_names): Part of the code factored out to
7560         save_var_name.
7561         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7562         in clast_reduction statement.
7563         (graphite_create_new_loop): Now takes a new parameter
7564         for outer_loop.
7565         (translate_clast): Now also takes the context_loop and bb_exit
7566         parameters. Rewritten the code so that it creates a gimple code
7567         inside the given context.
7568         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7569         remove_cond_expr, disconnect_cond_expr,
7570         disconnect_virtual_phi_nodes): Newly defined functions.
7571         * graphite.h (struct scop): added old_ivs vector.
7572         SCOP_OLDIVS: New macro.
7573
7574 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7575
7576         * cfgloopmanip.c: Add missing function comments, fix formatting.
7577
7578 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7579
7580         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7581         (create_empty_loop_on_edge): Defined.
7582         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7583         instead of void.
7584         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7585         (update_dominators_in_loop): Declared as extern
7586         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7587
7588 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7589
7590         * graphite.c (print_graphite_bb): Allow changing number of loops
7591         in SCoP domain.
7592         (initialize_cloog_names): Allow changing number of loops.
7593         (build_cloog_prog): Simplify.
7594         (find_transform): Enable cloog option --strides.
7595         (graphite_swap_loops): New.
7596         (graphite_strip_mine_loop): New.
7597         (graphite_trans_swap_1and2): New.
7598         (graphite_trans_strip): New.
7599         (graphite_transform_loops): Add graphite_trans_strip.
7600         * graphite.h (scop_max_loop_depth): New.
7601
7602 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7603
7604         * graphite.c (build_scop_iteration_domain): Remove forgotten
7605         line. (Fixes compile)
7606
7607 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7608
7609         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7610         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7611         (build_bb_loops): New.
7612         (graphite_transform_loops): Add build_bb_loops.
7613         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7614         numbers.
7615         * graphite.h (graphite_bb): Add loops.
7616         (gbb_nb_loops): New.
7617         (gbb_loop_at_index): New.
7618         (gbb_loop_index): New.
7619         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7620         using nb_params_in_scop.
7621
7622 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7623
7624         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7625         (build_scop_canonical_schedules): Build minimized schedule.
7626         (schedule_to_scattering): Adapt to minimized schedule.
7627         * graphite.h (graphite_bb): Add/Update descriptions.
7628
7629 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7630             Tobias Grosser  <grosser@fim.uni-passau.de>
7631
7632         * graphite.c (print_graphite_bb): Add condition printing.
7633         (dump_value): New.
7634         (dump_gbb_conditions): New.
7635         (build_scop_conditions_1): New.
7636         (build_scop_conditions): New.
7637         * graphite.h (graphite_bb): Add conditions.
7638
7639 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7640
7641         * graphite.c (print_graphite_bb):
7642         (free_graphite_bb): New.
7643         (free_scop): Free bbs.
7644         (get_bb_type): Free doms.
7645         (build_scop_context): Free context matrix.
7646         (build_loop_iteration_domains): Remove unused code.
7647         (build_cloog_prog): Free scattering function and blocklist.
7648         (find_transform): Free options.
7649
7650 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7651
7652         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7653         Remove unnecessery cloog data structures. Make a copy of the domain
7654         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7655         unnecessary cloog data structures. Fix memory leaks. Remove insert
7656         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7657         used.
7658         (build_scop_iteration_domain): Remove unnecessary cloog
7659         data structures.  Fix memory leaks.
7660         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7661         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7662
7663 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7664
7665         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7666
7667 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7668
7669         * graphite.c (end_scop): Style fix.
7670         (schedule_to_scattering): Style and comment fix.
7671
7672 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7673         * graphite.c (print_graphite_bb): Fix definiton of
7674         schedule_to_scattering.
7675         (initialize_cloog_names): Change nb_scattdims to max loop
7676         depth in SCoP.
7677         (schedule_to_scattering): Take parameter for number of scattering
7678         dimensions.
7679         (build_cloog_prog): Only build as much scattering dimensions as
7680         necessary.
7681
7682 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7683
7684         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7685         in polyhedron/aermod.f90.
7686
7687 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7688             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7689             Harsha Jagasia  <harsha.jagasia@amd.com>
7690
7691         * graphite.c (is_bb_addable): Fix segfault.
7692
7693 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7694
7695         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7696         with multiple exits and conditional handling in edge cases.
7697         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7698
7699         * gcc.dg/graphite/scop-14.c: New.
7700
7701 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7702             Adrien Eliche  <aeliche@isty.uvsq.fr>
7703
7704         * graphite.c (is_bb_addable): Add more comments and enhance
7705         readablity of the source code. Fix memory leak.
7706         (is_loop_exit): Fix memory leak.
7707
7708 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7709
7710         * graphite.c (first_loop_in_scop): Deleted.
7711         (setup_cloog_loop): Only walk the loop chain for inner loops.
7712         (build_scop_iteration_domain): Execute setup_cloog_loop for
7713         all loops in the first layer.
7714
7715 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7716
7717         * graphite.c (scan_tree_for_params): Change the way params are
7718         added to be indepenent of the number of loops.
7719         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7720         handling.
7721         (build_cloog_prog): Revert to short matrix format.
7722
7723 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7724             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7725
7726         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7727         warning.
7728
7729 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7730
7731         * graphite.c (nb_data_refs_in_scop): New.
7732         (graphite_transform_loops): Print more stats: number of
7733         loops, basic blocks and data references per scop.
7734
7735 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7736             Jan Sjodin  <jan.sjodin@amd.com>
7737
7738         * graphite.c (loop_affine_expr, idx_record_params,
7739         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7740         instead of instantiate_parameters.
7741
7742 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7743
7744         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7745         add support for parameters, add STATIC_SCHEDULE at the right places,
7746         cleanup.
7747
7748 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7749
7750         * graphite.c (build_scop_loop_nests): Only add the loops, that
7751         are contained completely in the SCoP.
7752         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7753         and the domains are fixed.
7754         (build_scop_canonical_schedules): Add support for bbs not contained
7755         in any SCoP.
7756
7757 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7758
7759         * graphite.h (scop_contains_loop): Update comments to match
7760         the actual behavior.
7761         (scop_contains_loop): New.
7762         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7763
7764 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7765
7766         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7767         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7768         as GBB_COND_HEADER.
7769
7770 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7771             Tobias Grosser  <grosser@fim.uni-passau.de>
7772
7773         * graphite.c (graphite_transform_loops): Early return when
7774         there are no loops in the function.
7775
7776 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7777             Jan Sjodin  <jan.sjodin@amd.com>
7778
7779         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7780         offset of the last loop.
7781         (setup_cloog_loop): Copy the entire outer constraint matrix.
7782
7783 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7784             Jan Sjodin  <jan.sjodin@amd.com>
7785
7786         * graphite.c (stmt_in_scop_p, function_parameter_p,
7787         invariant_in_scop_p): Removed.
7788         (scan_tree_for_params): Can be used with no constraint
7789         matrix for gathering parameters.
7790         (idx_record_params): Don't use idx_record_param, instead use
7791         scan_tree_for_params.
7792         (find_scop_parameters): Same.
7793         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7794         Fix the size of loop domains.
7795         (schedule_to_scattering): Exit when the outer loop is not in scop.
7796         (find_transform): Enable build_cloog_prog.
7797
7798 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7799             Jan Sjodin  <jan.sjodin@amd.com>
7800
7801         * graphite.c (schedule_to_scattering): Make scattering domains
7802         uniformly of the same size, as required by CLooG 0.14.0 and before.
7803
7804 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7805             Jan Sjodin  <jan.sjodin@amd.com>
7806
7807         * graphite.c (schedule_to_scattering): Rewrite, correct the
7808         translation of the scheduling function to scattering.
7809         (build_cloog_prog): Call schedule_to_scattering only once.
7810         * graphite.h (scop_loop_index): Do not fail for loops not
7811         in the scop: return -1.
7812
7813 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7814
7815         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7816         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7817         (setup_cloog_loop): Export GBB_DOMAIN.
7818         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7819         able to rebuild the original control flow.
7820         * graphite.h (graphite_bb): Add domain field and access macro.
7821         (GBB_DOMAIN): New.
7822
7823 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7824
7825         * graphite.c (debug_gbb): New.
7826         (print_scop, build_graphite_bb): Use SCOP_BBS.
7827         (build_scop_bbs): Reimplemented.
7828         (dfs_bb_in_scop_p): Removed.
7829         (build_scop_loop_nests): Reorder loops inserted in
7830         SCOP_LOOP_NEST: outer loops should come first.
7831         (build_scop_canonical_schedules): Reinitialize at zero
7832         the components of the SCOP_STATIC_SCHEDULE for the loops
7833         that have already been parsed.
7834
7835         * graphite.h (debug_gbb): Declared.
7836
7837 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7838             Jan Sjodin  <jan.sjodin@amd.com>
7839
7840         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7841         (graphite_loop_to_gcc_loop): Removed.
7842         (remove_all_edges): New.
7843         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7844         (gloog): Remove useless code.
7845
7846 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7847
7848         * graphite.c (get_bb_type): Reworked. We distinguish between
7849         loops with one or multiple exits.
7850         (is_loop_exit): New.
7851         (is_pred): New.
7852         (is_bb_addable): Rework condition handling, now support for case
7853         case statements and loops with multiple exits.
7854
7855         * gcc.dg/graphite/scop-11.c: New.
7856         * gcc.dg/graphite/scop-12.c: New.
7857         * gcc.dg/graphite/scop-13.c: New.
7858
7859 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7860
7861         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7862         we have too many colors.
7863
7864 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7865
7866         * doc/invoke.texi (-ftree-loop-fusion): Document.
7867         * tree-pass.h (pass_loop_fusion): Declared.
7868         * tree-loop-fusion.c: New.
7869         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7870         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7871         * tree-data-ref.h (find_data_references_in_loop): Declared.
7872         * common.opt (ftree-loop-fusion): Declared.
7873         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7874
7875 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7876
7877         * graphite.c (build_access_matrix): Fix typo from the merge.
7878
7879 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7880
7881         * Merge from mainline (130800:135673).
7882
7883 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7884
7885         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7886         Update dominators after splitting.
7887
7888 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7889
7890         * graphite.c (is_bb_addable): Return the harmful statement.
7891         Factor up some code.
7892         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7893         (build_scops_1): Call end_scop.
7894
7895 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7896
7897         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7898         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7899         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7900         build_scops_1): Removed.
7901         (build_scops_2): Renamed build_scops_1.
7902
7903 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7904
7905         * graphite.c: Fix formatting.
7906
7907 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7908
7909         * graphite.c (get_bb_type): New.
7910         (move_scops): New.
7911         (build_scops_2): New.
7912         (is_bb_addable): New.
7913         (build_scops): Switch the scop detection.
7914         (build_scop_bbs): Add entry bb to scop.
7915         * graphite.h (struct scop): Update comment.
7916
7917 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7918
7919         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7920         more colors.
7921
7922 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7923
7924         * gcc.dg/graphite/scop-1.c: Update.
7925         * gcc.dg/graphite/scop-2.c: Update.
7926         * gcc.dg/graphite/scop-4.c: Update.
7927         * gcc.dg/graphite/scop-5.c: Add.
7928         * gcc.dg/graphite/scop-6.c: Add.
7929
7930 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7931
7932         * gcc.dg/graphite/scop-0.c: Add.
7933         * gcc.dg/graphite/scop-7.c: Add.
7934         * gcc.dg/graphite/scop-8.c: Add.
7935         * gcc.dg/graphite/scop-9.c: Add.
7936         * gcc.dg/graphite/scop-10.c: Add.
7937
7938 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7939
7940         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7941         Check affine expressions depending on the outermost loop
7942         instead of a scop.
7943         (stmt_simple_for_scop_p): Same.
7944         (harmfule_stmt_in_scop): Same.
7945
7946 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7947
7948         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7949         mark entry and exit, that are not part of the SCoP and update HTML
7950         formatting.
7951
7952 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7953
7954         * graphite.c (basic_block_simple_for_scop_p): Renamed
7955         harmful_stmt_in_bb.
7956         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7957         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7958         (all_preds_visited_p, all_succs_visited_p,
7959         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7960         scop_end_loop): New.
7961         (build_scops): Do not use dfs_enumerate_from.
7962
7963         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7964
7965 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7966
7967         * graphite.c: Add comments to functions that are missing a
7968         description.
7969         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7970
7971 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7972
7973         * graphite.c (nb_params_in_scop): Moved...
7974         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7975         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7976         (clast_to_gcc_expression): Reduce column size to less than 80.
7977         (graphite_create_iv): Return the new name of the IV.
7978         (find_transform): Set options->esp and options->cpp.
7979         (gloog): Comment out the invalidation of the old loop code.
7980         (initialize_dependence_polyhedron): Replace scop_nb_params with
7981         nb_params_in_scop.
7982
7983         * graphite.h (nb_params_in_scop): ... here.
7984         (scop_nb_params): Removed.
7985         (loop_domain_dim): Return something even when the loop was not
7986         found in the hash table: avoid ICEing on all the graphite.exp
7987         testcases.
7988
7989 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7990
7991         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7992
7993         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7994         according to nesting level.
7995         (find_scop_parameters): Call instantiate_parameters.
7996         (scan_tree_for_params): Extend it to handle general affine bounds.
7997         Inner loop bound can depend on outer loop induction variable.
7998         (setup_cloog_loop): tmp variable is allocated on stack. Call
7999         instantiate_parameters with respect to outermost_loop_in_scop.
8000         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
8001         graphite.h.
8002         (create_empty_loop): Function loopify should be given edge
8003         probability, instead of edge frequency. Dominance relation from
8004         switch_bb to loop_header.
8005         (clast_to_gcc_expression): Added handling of clast_reduction node.
8006         (gloog): New functionality for removing old loop.
8007         (test_dependence): Factored out from build_rdg_all_levels.
8008         (build_rdg_all_levels): Dependence testing factored out to
8009         test_dependence function.
8010
8011         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
8012         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
8013         from graphite.c
8014
8015 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
8016
8017         * graphite.c (free_scop, param_index, initialize_cloog_names,
8018         nb_params_in_scop): Use name_tree map instead of just a tree
8019         for keeping track of the variable name associated to that tree.
8020         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
8021         clast_to_gcc_expression, graphite_create_iv,
8022         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
8023         graphite_stmt_to_gcc_stmt): New.
8024         (gloog): Call these.
8025         * graphite.h (struct name_tree): New.
8026         (struct scop): Use name_tree instead of tree for params.
8027         Store a vector of name_tree for new_ivs.
8028         (SCOP_NEWIVS): New.
8029         (scop_nb_params): Use name_tree instead of tree.
8030
8031 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
8032             Sebastian Pop  <sebastian.pop@amd.com>
8033
8034         * tree-bounds.c: New.
8035         * tree-bounds.h: New.
8036         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
8037         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
8038         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
8039         flag_mudflap.
8040         * gcc.c: Same.
8041         * toplev.c: Same.
8042         * c-cppbuiltin.c: Same.
8043         * c-pragma.c: Same.
8044         * common.opt: Same.
8045         * varasm.c: Same.
8046         * tree-outof-ssa.c: Same.
8047         * c-common.c: Same.
8048         * Makefile.in: Same.
8049
8050 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
8051             Sebastian Pop  <sebastian.pop@amd.com>
8052
8053         * tree-loop-distribution.c (remaining_stmts,
8054         upstream_mem_writes): Removed static variables.
8055         (copy_loop_before, create_bb_after_loop,
8056         mark_nodes_having_upstream_mem_writes, free_rdg_components,
8057         rdg_build_components, rdg_build_partitions,
8058         dump_rdg_partitions): Extern.
8059         (generate_loops_for_partition, generate_code_for_partition): Do not
8060         return a bool.
8061         (already_processed_vertex_p, predecessor_has_mem_write,
8062         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
8063         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
8064         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
8065         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
8066         Pass remaining_stmts and upstream_mem_writes as parameters.
8067         (rdg_component): Moved...
8068         (build_rdg_partition_for_component): Do not aggregate components when
8069         flag_streamize_loops is set.
8070         (gen_sequential_loops): New.
8071         (ldist_gen): Call gen_sequential_loops.
8072
8073         * tree-pass.h (pass_loop_streamization): Declared.
8074
8075         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
8076         basic blocks when loops structures exist.
8077
8078         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
8079
8080         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
8081
8082         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
8083         eliminate_local_variables_stmt, eliminate_local_variables,
8084         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
8085         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
8086         of code delimited by two edges in the CFG.
8087         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
8088         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
8089         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
8090         the case of parallelisation of reductions.
8091         (create_loop_fn): Extern.
8092         (create_omp_parallel_region): New.
8093
8094         * tree-data-ref.c (dump_data_dependence_relation): Don't call
8095         dump_data_reference for printing dra and drb.
8096         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
8097         RDGE_RELATION.
8098         (build_rdg): Don't call free_dependence_relations for the moment, as
8099         we attach dependence relations on each edge of the RDG.
8100         To be fixed later.
8101
8102         * tree-data-ref.h (rdg_component): ...here.
8103         (struct rdg_edge): New field ddr_p relation.
8104         (RDGE_RELATION): New.
8105         (create_bb_after_loop, copy_loop_before,
8106         mark_nodes_having_upstream_mem_writes, rdg_build_components,
8107         rdg_build_partitions, dump_rdg_partitions,
8108         free_rdg_components): Declared.
8109
8110         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
8111         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
8112
8113         * tree-loop-streamization.c: New.
8114
8115         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
8116         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
8117
8118         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
8119
8120         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
8121
8122         * passes.c: Schedule pass_loop_streamization.
8123
8124 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
8125
8126         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
8127         update comment.
8128
8129 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
8130
8131         * graphite.c (dot_all_scops): Update formatting.
8132         Bbs can now be part of more than one SCoP.
8133
8134 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
8135
8136         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
8137         malloc problems.
8138         (loop_domain_dim): Check for unregistered toplev SCOP loop.
8139         * graphite.h (loop_to_cloog_loop): New.
8140
8141 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8142
8143         * graphite.c (loop_domain_dim, ref_nb_loops,
8144         loop_iteration_vector_dim): New.
8145         (build_access_matrix_with_af, build_access_matrix,
8146         initialize_dependence_polyhedron): Fixed for new matrix layout.
8147         No longer assume that all iteration domains are of the same
8148         dimensionality.
8149
8150 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8151
8152         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8153         defined in a loop at depth 0 is invariant.
8154         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8155         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8156         be called at loop depth 0.
8157
8158         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
8159         a parameter.
8160         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
8161         (down_open_scop): Removed.
8162         (loop_in_scop_p): Redefined.
8163         (scop_affine_expr): New argument: scop.
8164         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
8165         a harmful statement ending a scop.
8166         (basic_block_simple_for_scop_p): New argument: scop.
8167         (get_loop_start): Removed.
8168         (new_scop): Initialize SCOP_LOOPS.
8169         (free_scop): Free SCOP_LOOPS.
8170         (succs_at_same_depth, preds_at_same_depth): New.
8171         (end_scop): Test the validity of a scop.
8172         (add_dominators_to_open_scops): New.
8173         (test_for_scop_bound): Call add_dominators_to_open_scops.
8174         Add cases for opening and closing multiple scops.
8175         (build_scops, build_scop_bbs): Iterate over basic blocks in
8176         depth first order.
8177         (build_graphite_bb): Pass scop directly.
8178         (dfs_bb_in_scop_p): New.
8179         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
8180         several times.
8181         (nb_loops_around_gb): Use loop_in_scop_p.
8182         (schedule_to_scattering): Disabled for the moment the code computing
8183         the "textual order for outer loop".
8184
8185         * graphite.h (struct scop): New field loops.
8186         (SCOP_LOOPS): New.
8187         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8188
8189         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8190
8191 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8192             Sebastian Pop  <sebastian.pop@amd.com>
8193
8194         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8195         * common.opt (fstreamize-loops): New.
8196         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8197         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8198         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8199         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8200
8201 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8202
8203         * tree-data-ref.c (build_empty_rdg): New.
8204         (build_rdg): Use it.
8205         * tree-data-ref.h (build_empty_rdg): Declared.
8206         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8207         (find_vertex_for_stmt): Removed.
8208         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8209
8210 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8211
8212         * tree-loop-distribution.c (generate_builtin): After cancelling the
8213         loop tree, also delete basic blocks.
8214         (rdg_flag_uses): Stop recursion when a vertex has already been
8215         processed.
8216
8217 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8218
8219         * graphite.c (build_scop_alpha): Removed.
8220         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8221         and dump_dependence_graph to avoid compiler warnings.
8222
8223 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8224
8225         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8226         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8227         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8228         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8229         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8230         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8231         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8232         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8233         dump_dependence_graph): New.
8234         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8235         (GBB_ALPHA): New.
8236         (struct scop): New field loop2cloog_loop.
8237         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8238         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8239
8240 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8241
8242         * graphite.c (build_graphite_bb): Fix initialization
8243         of the graphite basic block.
8244
8245 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8246
8247         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8248         loop domain matrix.  Pass in the number of loops contained in the
8249         constraint matrix.
8250         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8251         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8252         loops that are not surrounding the current loop are not represented
8253         in the domain constraint matrix.
8254         (build_scop_iteration_domain): Initial domain constraint matrix
8255         contains only the eq/ineq, cst, and scop parameters columns.
8256
8257 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8258
8259         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8260         (print_graphite_bb): Print scattering.
8261
8262 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8263
8264         * graphite.c (initialize_cloog_names): Initialize names of
8265         scattering variables.
8266
8267 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8268
8269         * graphite.c (dot_all_scops_1): Disable debug output while
8270         printing graph.
8271
8272 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8273
8274         * graphite.c (find_transform): Change cloog output language to C.
8275
8276 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8277
8278         * tree-loop-distribution.c (generate_memset_zero,
8279         generate_builtin, generate_code_for_partition,
8280         rdg_flag_all_uses): New.
8281         (rdg_flag_uses): Gather in the same partition the statements defining
8282         the VUSES of the current statement.
8283         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8284         Gather in the same partition not only the stores to the same memory
8285         access, but also the reads.
8286         (ldist_generate_loops): Renamed ldist_gen.
8287
8288 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8289             Tobias Grosser  <grosser@fmi.uni-passau.de>
8290
8291         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8292         next pointer, don't use the inner pointer.
8293
8294 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8295
8296         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8297         (find_transform): Call dot_all_1.
8298         * graphite.h (dot_all_scops): Declared.
8299
8300 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8301
8302         * tree-loop-distribution.c: Fix apsi.f ICE.
8303         (create_bb_after_loop): New.
8304         (generate_loops_for_partition): Use it.
8305         * gfortran.dg/ldist-1.f90: New.
8306
8307         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8308         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8309
8310 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8311
8312         * graphite.c (find_transform): Dump cloog program sent to cloog.
8313
8314 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8315
8316         * graphite.c (initialize_cloog_names): Initialize cloog
8317         iterator names.
8318
8319 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8320
8321         * graphite.c (build_scop_context): Fix typo, for the matrix
8322         format: insert '0 >= 0' instead of '-1 >= 0'.
8323
8324 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8325
8326         * Fix merge problems.
8327
8328 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8329
8330         * graphite.c (setup_cloog_loop): Fix typo.
8331
8332 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8333
8334         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8335         * tree-loop-distribution.c: Reimplemented.
8336         * tree-pass.h (pass_loop_distribution): New.
8337         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8338         print_loops.
8339         * graphds.h (struct graph): New field indexes.
8340         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8341
8342         * tree-vect-analyze.c: Remove declaration of static functions when not
8343         needed.
8344         * tree-vectorizer.c: Same.
8345         (rename_variables_in_loop): Now extern.
8346         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8347         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8348         calling redirect_edge_and_branch_force.
8349
8350         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8351
8352         * tree-data-ref.c: Don't include tree-chrec.h.
8353         (debug_data_dependence_relations): New.
8354         (dump_data_dependence_relation): Call dump_data_reference on data refs
8355         in the relation.
8356         (same_access_functions): Moved...
8357         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8358         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8359         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8360         struct rdg_vertex_info, ): New.
8361         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8362         at DDR_REVERSED_P.
8363         (create_rdg_vertices): Initialize the htab of graph->indexes.
8364         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8365         (stmts_from_loop): Don't save LABEL_EXPR.
8366         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8367         hash_stmt_vertex_del): New.
8368         (build_rdg): Initialize rdg->indexes.
8369         (free_rdg, stores_from_loop, ref_base_address,
8370         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8371         have_similar_memory_accesses_1, ref_base_address_1,
8372         remove_similar_memory_refs): New.
8373
8374         * tree-data-ref.h: Include tree-chrec.h.
8375         (debug_data_dependence_relations): Declared.
8376         (same_access_functions): ...here.  Now static inline.
8377         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8378         ddr_dependence_level): New.
8379         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8380         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8381         RDG_MEM_READS_STMT): New.
8382         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8383         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8384         rdg_vertex_for_stmt): Declared.
8385         (struct rdg_edge): New field level.
8386         (RDGE_LEVEL, free_rdg): New.
8387         (stores_from_loop, remove_similar_memory_refs,
8388         rdg_defs_used_in_other_loops_p,
8389         have_similar_memory_accesses): Declared.
8390         (rdg_has_similar_memory_accesses): New.
8391
8392         * lambda.h (dependence_level): New.
8393         * common.opt (ftree-loop-distribution): New.
8394         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8395         (print_loop_ir): Renamed print_loops.
8396         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8397         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8398         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8399         (tree-loop-distribution.o): Added.
8400         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8401         (mark_virtual_ops_in_bb): New.
8402         (print_loops_bb, debug_loop_num, debug_loop): New.
8403         * passes.c: Scheduled pass_loop_distribution.
8404
8405 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8406
8407         * graphite.c (scan_tree_for_params): Correct the number of columns
8408         for polylib format.
8409         (nb_flat_iterator): New.
8410         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8411         (build_scop_iteration_domain): Correct the number of columns for
8412         polylib format.
8413
8414 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8415
8416         * Merge from mainline (129697:130800).
8417
8418 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8419
8420         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8421         dominated by SCoP's exit.
8422         (graphite_transform_loops): Compute post dominators.
8423
8424 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8425
8426         * Merge from mainline (127169:129697).
8427
8428 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8429
8430         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8431         parameter for the basic block that contains the expression.  Use
8432         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8433         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8434         the expression.
8435         * graphite.h (gbb_loop): New.
8436         (GBB_LOOP): Removed.
8437
8438 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8439
8440         * Makefile.in: Fix merge problem.
8441
8442 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8443
8444         * Merge from mainline (125309:127169).
8445         * tree-loop-distribution.c: Disabled.
8446
8447 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8448
8449         * Merge from mainline (r123693:125309).
8450
8451 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8452
8453         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8454         correct_modify_p
8455         (correct_modify_p, check_statements, number_of_lvalue_uses,
8456         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8457         instead of MODIFY_EXPR.
8458         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8459         and push new edges.
8460
8461 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8462
8463         * tree-loop-distribution.c (struct rdg): Replace arrays by
8464         VECs for edges and vertices.
8465         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8466         (RDGV_NB_PARTITIONS): New.
8467         (PRDG_NBV, PRDG_NBE): Removed.
8468         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8469         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8470         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8471
8472 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8473             Sebastian Pop  <sebpop@gmail.com>
8474
8475         * doc/invoke.texi (-ftree-loop-distribution): Document.
8476         * tree-loop-distribution.c: New file.
8477         * tree-pass.h (pass_loop_distribution): Declared.
8478         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8479         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8480         and set reversed_p.
8481         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8482         (DDR_REVERSED_P): New.
8483         * common.opt (-ftree-loop-distribution): New.
8484         * tree-flow.h (distribute_loops): Declared.
8485         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8486         * passes.c (init_optimization_passes): Schedule loop distribution.
8487
8488 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8489
8490         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8491         (print_scop): Don't print when scop is NULL.
8492         (build_scop_context, find_transform): Don't output to stderr.
8493
8494 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8495
8496         * tree-data-ref.c: Don't include graphite.h.
8497         Comment out the code for printing data reference's scop.
8498         (build_access_matrix_with_af): Moved...
8499         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8500         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8501         (print_graphite_bb): Print basic block's schedule.
8502         (print_scop): Don't print the schedule, call cloog's pretty printer.
8503         (bb_in_scop_p): A basic block is in a scop only if it is both
8504         dominated and postdominated by the scop's entry and exit basic blocks.
8505         (function_parameter_p): New.
8506         (invariant_in_scop_p): Use function_parameter_p.
8507         (new_scop, save_scop): New.
8508         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8509         save_scop.
8510         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8511         (loop_in_scop_p): New.
8512         (scop_record_loop): Use loop_in_scop_p.
8513         (build_scop_domain): Renamed build_scop_iteration_domain.
8514         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8515         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8516         setup_cloog_loop, dot_scop_1, dot_scop): New.
8517         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8518         (struct scop): Add a pointer to cloog's representation of a program.
8519
8520 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8521
8522         * doc/invoke.texi (-ftree-check-verbose): Renamed
8523         -ftree-checks-verbose.
8524         * common.opt (flag_tree_check_verbose): Renamed
8525         flag_tree_checks_verbose.
8526         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8527
8528 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8529
8530         * configure: Regenerated.
8531         * config.in: Regenerated.
8532         * tree-ssa-loop.c (graphite_transforms): Execute
8533         graphite_transform_loops only when HAVE_cloog.
8534         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8535         * graphite.c: Include polylibgmp.h and cloog.h.
8536         (graphite_transform_loops): Removed loops parameter.
8537         * tree-flow.h (graphite_transform_loops): Update declaration.
8538         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8539         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8540         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8541         (OBJS-common): Remove dependence on graphite.o.
8542         (BACKEND): Depend on @GRAPHITE@.
8543
8544 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8545
8546         * doc/invoke.texi (-ftree-check-verbose): Documented.
8547         * gcc.dg/tree-checker/tree-checks-1.c: New.
8548         * gcc.dg/tree-checker/tree-checks-2.c: New.
8549         * gcc.dg/tree-checker/tree-checks-3.c: New.
8550         * gcc.dg/tree-checker/tree-checks-4.c: New.
8551         * gcc.dg/tree-checker/tree-checks.exp: New.
8552         * gcc.dg/tree-checker/condates.crp: New.
8553         * common.opt (ftree-checks-verbose): New.
8554         * tree-check.c (tree_check_warning): Move extra stderr output
8555         under control of flag_tree_check_verbose.
8556
8557 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8558
8559         * tree-match.c: Fix comments formatting.
8560         * tree-match.h: Fix comments formatting.
8561         * tree-check.c: Fix comments formatting.
8562         (tree_check_init): Restructure.
8563
8564 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8565
8566         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8567
8568 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8569
8570         * Merge from mainline (r120733:123693).
8571
8572 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8573
8574         * condate.y: New file.
8575         * tree-match.h (struct patt_info_s): New field sign.
8576         (struct condate_s): New field msg.
8577         (normalize_condate, name_condate, add_condate): New.
8578         (conds[], condate_parse): Made extern.
8579         * tree-check.c (tree_check_warning): First arg changed to cond;
8580         warning reformatted.
8581         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8582         (tree_scan): New.
8583         (tree_check): Process trivial condates.
8584         (read_delimited_string): Removed.
8585         (print_cond): Print name and msg.
8586         (conds[]): Made extern.
8587         (parse_tree_check_file_once): Rewritten to use the parser in
8588         condate.y.
8589         Processing of option --tree_check_string moved to tree_scan().
8590         * Makefile.in: Added condate.y
8591
8592 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8593
8594         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8595         Use VECs instead of varrays.
8596         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8597         * Makefile.in (pretty-print.o): Depend on vec.h.
8598         * pretty-print.c: Include tree.h and vec.h.
8599         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8600         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8601         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8602         pp_free_list): Use VECs instead of varrays.
8603         * pretty-print.h: Do not include varray.h.
8604         (struct tree_chunk_s): Declaration moved before its use.
8605         (output_buffer): Rename varray field to chunks.
8606         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8607         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8608         save_global_holes): Use VECs instead of varrays.
8609         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8610         * tree-check.c (scan_cfg_stmts, push_node,
8611         print_matching_stmt): Removed.
8612         (tree_check_instance, push_global_holes_if_new, tree_check,
8613         execute_tree_check): Use VECs instead of varrays.
8614         (gate_tree_check): Don't execute the CFG check when basic_block_info
8615         is not available.
8616
8617 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8618
8619         * Merge from mainline (r115016:120733).
8620
8621 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8622
8623         * Merge from mainline (r117632:117661).
8624
8625 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8626
8627         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8628         * tree-pass.h (TDF_DEBUG, debug_p): New.
8629         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8630         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8631         get_loop_exit_condition, analyze_evolution_in_loop,
8632         analyze_initial_condition, analyze_scalar_evolution,
8633         instantiate_parameters, number_of_latch_executions): Use debug_p.
8634         * tree-chrec.c (chrec_apply): Use debug_p.
8635         * tree-data-ref.c: Include graphite.h.
8636         (dump_data_reference): Print also the access matrix.
8637         (analyze_array, analyze_indirect_ref, init_data_ref,
8638         analyze_offset_expr, address_analysis, object_analysis,
8639         create_data_ref, finalize_ddr_dependent,
8640         non_affine_dependence_relation, analyze_ziv_subscript,
8641         analyze_siv_subscript_cst_affine,
8642         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8643         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8644         analyze_miv_subscript, analyze_overlapping_iterations,
8645         build_classic_dist_vector, subscript_dependence_tester,
8646         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8647         (build_access_matrix_with_af): No longer static.
8648         * tree-data-ref.h (scop_p): ... declaration here.
8649         (data_reference.scop): New field.
8650         (DR_SCOP, DR_ACCESS_MATRIX): New.
8651         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8652         * graphite.c (print_graphite_bb): Call dump_data_references.
8653         (print_scop): Use scop_nb_loops and scop_dim_domain.
8654         (test_for_scop_bound): Use debug_p.
8655         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8656         scop_nb_params.
8657         (scop_loop_index): Moved...
8658         (scop_record_loop): New.
8659         (build_scop_loop_nests): Use scop_record_loop.
8660         (build_scop_domain): Use scop_dim_domain.
8661         (build_access_matrix): Implemented.
8662         (build_scop_canonical_schedules): Use scop_nb_loops.
8663         (build_graphite_bb): Initialize GBB_SCOP.
8664         * graphite.h (scop_p): Moved...
8665         (graphite_bb.scop): New field.
8666         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8667         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8668         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8669         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8670         scop_loop_index): New.
8671         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8672
8673 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8674
8675         * Merge from mainline (r117661:120450).
8676
8677 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8678
8679         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8680         at the first declaration outside the varying loop, instantiate as
8681         far as possible.
8682         * tree-chrec.c (for_each_scev_op): New.
8683         * tree-chrec.h (for_each_scev_op): Declared.
8684         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8685         * tree-data-ref.c (get_references_in_stmt,
8686         find_data_references_in_stmt): New, from trunk.
8687         (find_data_references_in_loop): Use get_references_in_stmt
8688         and find_data_references_in_loop, modified as in trunk.
8689         (build_access_matrix_with_af): New.
8690         * tree-data-ref.h (data_reference): Add a field access_matrix.
8691         (data_ref_loc): New, as in trunk.
8692         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8693         invariant_in_scop_p, param_index, scan_tree_for_params,
8694         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8695         idx_record_param, idx_record_params, build_access_matrix,
8696         build_scop_data_accesses, build_scop_canonical_schedules,
8697         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8698         build_scop_params): New.
8699         * graphite.h (graphite_bb): New.
8700         (scop): Add fields static_schedule, params, loop_nest,
8701         iteration_domain.
8702         * lambda.h: Declare vecs of lambda_matrix.
8703         * tree-flow.h (print_loop_ir_bb): Declared.
8704         * tree-cfg.c (print_loop_ir_bb): New.
8705         (print_loop): Use print_loop_ir_bb.
8706
8707 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8708
8709         * Merge from mainline (r115016:117632).
8710
8711 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8712
8713         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8714         break due to a warning.
8715
8716 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8717
8718         * graphite.c (print_scops, debug_scops): New.
8719         (graphite_transform): Renamed graphite_find_transform.
8720         * graphite.h (debug_scops): Declared.
8721
8722 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8723
8724         * tree-match.c: Reformat following the GNU style.
8725         * tree-match.h: Reformat following the GNU style.
8726         * tree-pattern.h: Removed empty file.
8727         * Makefile.in: Remove references to tree-pattern.h.
8728         * tree-check.c: Reformat following the GNU style.
8729         (execute_tree_check): Move gate condition code to...
8730         (gate_tree_check): ...here.  New function.
8731         (pass_check): Use the gate function.
8732
8733 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8734
8735         * tree-pattern.h: New. Tree pattern matching and checking using
8736         concrete syntax.
8737         * tree-check.c: New. Tree/CFG checking pass.
8738         * tree-match.c: New. Library for tree pattern matching.
8739         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8740         * toplev.c, flags.h: Add globals for tree-check pass.
8741         * Makefile.in: Integrate the files in tree-check pass.
8742         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8743         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8744         Introduce a "lazy" pretty-print mode.
8745         * tree.c, tree.h: Add tree_name.
8746
8747 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8748
8749         * doc/invoke.texi (-fgraphite): Correct typo.
8750         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8751         use of print_loop_ir.
8752         * gcc.dg/graphite/scop-1.c: New.
8753         * gcc.dg/graphite/scop-2.c: New.
8754         * gcc.dg/graphite/graphite.exp: New.
8755         * graphite.c: Include domwalk.h.
8756         (print_scop): Print only the entry and exit blocks.
8757         (debug_scop): No longer static.
8758         (affine_expr): Fix formating.  Return also true when the expression is
8759         constant.
8760         (stmt_simple_for_scop_p): Fix formating.
8761         (build_scops): Use domwalk.
8762         (get_loop_start, end_scop, test_for_scop_bound): New.
8763         (graphite_transform_loops): Avoid printing on stderr.
8764         * graphite.h (debug_scop): Declared.
8765         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8766         * Makefile.in (graphite.o): Depend on domwalk.h.
8767         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8768         declarations for static functions.
8769         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8770         controlling output verbosity.
8771
8772 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8773             Plesco Alexandru  <shurikx@gmail.com>
8774
8775         * doc/invoke.texi (-fgraphite): Document.
8776         * tree-pass.h (pass_graphite_transforms): Declared.
8777         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8778         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8779         (pass_graphite_transforms): Defined.
8780         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8781         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8782         * graphite.c, graphite.h: New.
8783         * common.opt (fgraphite): Declared.
8784         * tree-flow.h (graphite_transform_loops): Declared.
8785         * Makefile.in (OBJS-common): Add graphite.o.
8786         (graphite.o): New rule.
8787         * passes.c (pass_graphite_transforms): Scheduled.
8788