gcc/ChangeLog.graphite

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