gcc/ChangeLog.graphite

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