gcc/ChangeLog.graphite

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