gcc/ChangeLog.graphite

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