gcc/ChangeLog.graphite

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