gcc/ChangeLog.graphite

   1 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (dependence_polyhedron_1): Remove
   4         unused gdim dimensions from the DDR polyhedron.
   5
   6 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-dependences.c (pddr_transformed_scattering): New.
   9         (dot_original_deps_stmt_1): New.
  10         (dot_transformed_deps_stmt_1): New.
  11         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
  12         dot_transformed_deps_stmt_1.
  13         (dot_original_deps): New.
  14         (dot_transformed_deps): New.
  15         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
  16
  17 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  18
  19         * graphite-dependences.c (reduction_dr_1): Remove wrong
  20         assert: reduction BBs can have multiple reduction writes
  21         to memory.  interchange-3.f90 is an example.
  22
  23 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  24
  25         * gfortran.dg/graphite/interchange-3.f90: New.
  26
  27 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  28
  29         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
  30
  31 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         * graphite-dependences.c (dependence_polyhedron_1): Add the
  34         context to the dependence polyhedron.
  35
  36 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
  39         PBB_PDR_DUPLICATES_REMOVED.
  40         (new_poly_bb): Same.
  41
  42 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
  45         SCOP_CONTEXT.
  46         (build_loop_iteration_domains): Extract bounds on parameters
  47         based on the data size.
  48         (build_scop_context): Do not initialize SCOP_CONTEXT;
  49         add new constraints.
  50
  51 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  52
  53         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
  54         * graphite-ppl.h (graphite-ppl.h): Declared.
  55
  56 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  57
  58         * graphite-ppl.c (ppl_print_linear_expr): New.
  59         (debug_ppl_linear_expr): New.
  60         * graphite-ppl.h (ppl_print_linear_expr): Declared.
  61         (debug_ppl_linear_expr): Declared.
  62
  63 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  64
  65         * graphite-interchange.c: Fix comments.
  66         * gcc.dg/graphite/block-1.c: Fix comments.
  67
  68 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  69
  70         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
  71         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
  72
  73 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         Reapply the patch from Alexander Monakov that disappeared during
  76         the last merges from trunk.
  77
  78         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
  79
  80         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
  81         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
  82
  83 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * graphite-interchange.c (memory_stride_in_loop): The depth
  86         argument corresponds to a dynamic time dimension, so use
  87         psct_dynamic_dim to refer to the transformed scattering dimension.
  88
  89 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
  92
  93 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  94
  95         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
  96         root of the LST.
  97         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
  98         the root of the LST.
  99         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 100         fake loop.
 101         (print_lst): Print the root of LST in a different format.
 102         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 103
 104 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 105
 106         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 107
 108 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 109
 110         * doc/passes.texi: Document the Graphite infrastructure.
 111
 112 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 113
 114         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 115         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 116         and check the SSA representation.
 117
 118         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 119
 120 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 121
 122         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 123
 124 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 125
 126         * gcc.dg/graphite/interchange-11.c: New.
 127
 128 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 129
 130         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 131
 132 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 133
 134         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 135         Add -fno-loop-strip-mine and -fno-loop-interchange.
 136         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 137         -fno-loop-strip-mine.
 138         * gfortran.dg/graphite/graphite.exp: Same.
 139
 140 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 141
 142         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 143         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 144         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 145         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 146         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 147         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 148         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 149         DEFAULT_FLAGS_GRAPHITE_SCOP.
 150         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 151         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 152
 153 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 156
 157 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 158             Sebastian Pop  <sebastian.pop@amd.com>
 159
 160         * graphite-interchange.c (build_linearized_memory_access): Pass an
 161         offset as parameter.
 162         (memory_stride_in_loop): Include transform scattering in the
 163         access functions to be able to querry the strides in the
 164         transformed loops.
 165         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 166         not the psct_iterator_dim.
 167
 168 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 169
 170         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 171         (lst_do_strip_mine_loop): New.
 172         (lst_do_strip_mine): New.
 173         (scop_do_strip_mine): Call lst_do_strip_mine.
 174         * graphite-poly.h (lst_add_loop_under_loop): New.
 175         (lst_find_first_pbb): New.
 176
 177 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         * graphite-poly.c (loop_to_lst): Fix LST creation.
 180
 181 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 182
 183         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 184         sizeof(unsigned long) to make it run on 32bit systems.
 185
 186 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 187
 188         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 189         SEGFAULT on 32bit.
 190
 191 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 192
 193         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 194         Comment.
 195         (write_alias_graph_to_ascii_dot): New.
 196         (write_alias_graph_to_ascii_ecc): Ditto.
 197         (partition_drs_to_sets): Add testing of optimality of current method
 198         which assigns alias numbers according to DFS Comopnent number.  used
 199         as heuristic for the upcoming ECC algorithm.
 200         (build_scop_drs): Write to file also with the ecc and dot format.
 201
 202 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 203
 204         * gfortran.dg/graphite/interchange-1.f: XFail.
 205
 206 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 207
 208         * graphite.c (graphite_initialize): Do not handle functions with
 209         more than 100 basic blocks.
 210
 211 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 212
 213         * graphite-blocking.c (pbb_do_strip_mine): Use
 214         PARAM_LOOP_BLOCK_TILE_SIZE.
 215
 216 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 217
 218         * graphite-poly.c (dot_lst_1): New.
 219         (dot_lst): New.
 220         * graphite-poly.h (dot_lst): Declared.
 221
 222 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-dependences.c (dot_deps_stmt_1): New.
 225         (dot_deps_stmt): New.
 226         * graphite-dependences.h (dot_deps_stmt): Declared.
 227
 228 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 229
 230         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 231         not replace cross BB scalar dependences ending on PHI nodes.
 232         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 233
 234 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 235
 236         * graphite-poly.c (apply_poly_transforms): Implement the high
 237         level driver for flag_loop_block.
 238         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 239         flag_loop_block.
 240
 241         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 242         -floop-block.
 243         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 244         Add -floop-block.
 245
 246 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * graphite-poly.h (lst_find_pbb): New.
 249         (find_lst_loop): New.
 250
 251 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 252
 253         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 254         * graphite-poly.h (struct scop): Remove dep_graph field.
 255         (SCOP_DEP_GRAPH): Removed.
 256
 257 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         * graphite-poly.h (copy_lst): Do full copy of LST.
 260
 261 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 264         when the loop stride is zero.
 265
 266         * gcc.dg/graphite/id-16.c: New.
 267
 268 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 269
 270         * graphite-dependences.c (reduction_dr_1): New.
 271         (reduction_dr_p): New.
 272         (graphite_legal_transform_dr): Call reduction_dr_p.
 273         (reduction_ddr): Renamed reduction_ddr_p.
 274         * graphite-poly.h (same_pdr_p): New.
 275         (number_of_write_pdrs): New.
 276         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 277         (split_reduction_stmt): Do not split reduction statements
 278         when there are no writes to memory.
 279         (translate_scalar_reduction_to_array_for_stmt): Insert the
 280         memory reduction statement just after the scalar reduction statement.
 281
 282         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 283         Un-XFAIL-ed.
 284         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 285         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 286
 287 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-interchange.c (lst_apply_interchange): New.
 290         (lst_interchange_profitable_p): New.
 291         (lst_try_interchange_loops): New.
 292         (lst_try_interchange): New.
 293         (lst_do_interchange): New.
 294         (pbb_do_interchange): Removed.
 295         (scop_do_interchange): Call lst_do_interchange.
 296
 297 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 298
 299         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 300         SCOP_TRANSFORMED_SCHEDULE.
 301         (loop_to_lst): New.
 302         (scop_to_lst): New.
 303         (print_lst): New.
 304         (debug_lst): New.
 305         * graphite-poly.h (lst_p): New.
 306         (struct lst): New.
 307         (LST_LOOP_P): New.
 308         (LST_LOOP_FATHER): New.
 309         (LST_PBB): New.
 310         (LST_SEQ): New.
 311         (scop_to_lst): Declared.
 312         (print_lst): Declared.
 313         (debug_lst): Declared.
 314         (new_lst_loop): New.
 315         (new_lst_stmt): New.
 316         (copy_lst): New.
 317         (lst_depth): New.
 318         (lst_dewey_number): New.
 319         (struct scop): Add original_schedule and transformed_schedule fields.
 320         (SCOP_ORIGINAL_SCHEDULE): New.
 321         (SCOP_TRANSFORMED_SCHEDULE): New.
 322         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 323
 324 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 325
 326         * graphite-dependences.c (reduction_ddr): New.
 327         (graphite_legal_transform_bb): Call reduction_ddr.
 328         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 329         Initialize PBB_IS_REDUCTION.
 330         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 331         (PBB_IS_REDUCTION): New.
 332         (new_poly_bb): Update declaration.
 333         * graphite-scop-detection.h (build_scop_bbs): Removed.
 334         (nb_reductions_in_loop): Removed.
 335         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 336         parameter for reductions.
 337         (try_generate_gimple_bb): Update call to new_poly_bb.
 338         (build_scop_bbs_1): Same.
 339         (build_scop_bbs): Same.
 340         (gsi_for_phi_node): New.
 341         (scalar_close_phi_node_p): Remove gcc_assert.
 342         (split_reduction_stmt): New.
 343         (is_reduction_operation_p): New.
 344         (phi_contains_arg): New.
 345         (follow_ssa_with_commutative_ops): New.
 346         (detect_commutative_reduction_arg): New.
 347         (detect_commutative_reduction_assign): New.
 348         (follow_inital_value_to_phi): New.
 349         (edge_initial_value_for_loop_phi): New.
 350         (initial_value_for_loop_phi): New.
 351         (detect_commutative_reduction): New.
 352         (translate_scalar_reduction_to_array_for_stmt): New.
 353         (insert_copyout): New.
 354         (insert_copyin): New.
 355         (translate_scalar_reduction_to_array): New.
 356         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 357         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 358         (rewrite_commutative_reductions_out_of_ssa): New.
 359         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 360         * sese.h (split_region_for_bb): New.
 361
 362         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 363         * gcc.dg/graphite/interchange-1.c: Fix format.
 364         * gcc.dg/graphite/interchange-10.c: New.
 365
 366 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 367
 368         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 369         buggy assert.
 370
 371 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 372
 373         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 374         (rewrite_cross_bb_scalar_dependence): New.
 375         (rewrite_cross_bb_scalar_deps): New.
 376         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 377         Call rewrite_cross_bb_scalar_deps.
 378
 379 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 380
 381         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 382         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 383         gsi_for_stmt.
 384
 385 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 386
 387         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 388         * graphite-interchange.c (pbb_do_interchange): Same.
 389         * graphite-poly.c (print_scattering_function): Same.
 390         (debug_pdrs): Same.
 391         * graphite-poly.h (pbb_loop): New.
 392         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 393
 394 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 395
 396         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 397
 398 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 399
 400         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 401         so don't pass a pointer to it.
 402         (build_alias_set_for_drs): Same.
 403         (build_base_obj_set_for_drs): Same.
 404         (build_scop_drs): Same.
 405
 406 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 407
 408         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 409         the alias graph of data references.
 410
 411 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 412
 413         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 414         (build_scop_drs): When debugging, write the alias graph to file,
 415         otherwise, should be disabled.
 416
 417 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 420         (is_simple_operand): Remove call to stmt_simple_memref_p.
 421         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 422
 423 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 424
 425         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 426         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 427         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 428         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 429         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 430
 431 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 432
 433         PR middle-end/41118
 434         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 435         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 436         (graphite_carried_dependence_level_k): Ditto.
 437         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 438         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 439         (new_poly_dr): Adjust declaration.
 440         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 441         (free_gimple_bb): Added free_data_refs_aux.
 442         (build_poly_dr): Add dr_base_object_set.
 443         (partition_drs_to_sets): New.
 444         (dr_same_base_object_p): New.
 445         (build_alias_set_for_drs): New.
 446         (build_base_object_set_for_drs): New.
 447         (build_scop_drs): Add build_base_obj_set_for_drs.
 448         * graphite-sese-to-poly.h: Added #define for alias set number index and
 449         base object set index.
 450         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 451         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 452
 453 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 454
 455         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 456         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 457
 458 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 459
 460         * graphite-sese-to-poly.c (struct irp_data): Removed.
 461         (idx_record_params): Removed.
 462         (find_params_in_bb): Scan for parameters the access functions; don't
 463         parse the tree representation.
 464
 465 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 466
 467         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 468         passes at -O1 and below.
 469
 470 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 471
 472         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 473         tree-scalar-evolution.h, and then tree-data-ref.h.
 474         * graphite-clast-to-gimple.c: Same.
 475         * graphite-dependences.c: Same.
 476         * graphite-interchange.c: Same.
 477         * graphite-poly.c: Same.
 478         * graphite-scop-detection.c: Same.
 479         * graphite-sese-to-poly.c: Same.
 480         * graphite.c: Same.
 481         * lambda-code.c: Same.
 482         * matrix-reorg.c: Same.
 483         * tree-data-ref.c: Same.
 484         * tree-if-conv.c: Same.
 485         * tree-loop-distribu: Same.: Same.
 486         * tree-loop-linear.c: Same.
 487         * tree-parloops.c: Same.
 488         * tree-predcom.c: Same.
 489         * tree-vect-patterns.c: Same.
 490
 491 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         Partially revert the previous patch, except the following.
 494         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 495         as parameters the operands of the not expression.
 496
 497 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 498
 499         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 500         Do not call analyze_scalar_evolution on assignments.
 501         (instantiate_scev_phi): Call analyze_scalar_evolution.
 502         (instantiate_scev_name): Call instantiate_scev_assign and
 503         instantiate_scev_phi.
 504         (instantiate_scev_not): Adapted to pass as parameters the operands
 505         of the not expression.
 506
 507 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 508
 509         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 510         to pass as parameters the operands of the binary expression.
 511
 512 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 513
 514         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 515         instantiate_scev_not.  Handle NEGATE_EXPR.
 516         (instantiate_scev_r): Handle NEGATE_EXPR.
 517
 518 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 519
 520         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 521         instantiate_scev_r.
 522         (instantiate_scev_r): Move code in instantiate_scev_2
 523         and instantiate_scev_1.
 524
 525 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         * tree-scalar-evolution.c (instantiate_scev_3): New.
 528         (instantiate_scev_1): Move code in instantiate_scev_3.
 529
 530 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 531
 532         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 533         (instantiate_scev_1): Move code in instantiate_scev_poly.
 534
 535 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 536
 537         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 538         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 539
 540 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 541
 542         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 543         (instantiate_scev_1): Move code in instantiate_scev_convert.
 544
 545 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 546
 547         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 548         (instantiate_scev_1): Move code in instantiate_scev_binary.
 549
 550 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         * tree-scalar-evolution.c (instantiate_scev_name): New.
 553         (instantiate_scev_1): Move code in instantiate_scev_name.
 554
 555 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * Merge from mainline (150992:151171).
 558
 559 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 560
 561         * graphite-dependences.c (graphite_legal_transform_bb): Call
 562         pbb_remove_duplicate_pdrs.
 563         * graphite-poly.c (can_collapse_pdr): Removed.
 564         (pdr_find_duplicate): Removed.
 565         (can_collapse_pdrs): New.
 566         (pbb_remove_duplicate_pdrs): New.
 567         (new_poly_dr): Do not look for duplicates.
 568         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 569         (PBB_PDR_DUPLICATES_REMOVED): New.
 570         (pbb_remove_duplicate_pdrs): Declared.
 571
 572 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 573
 574         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 575         the strides by multiplying by PDR_NB_REFS.
 576         * graphite-poly.c (can_collapse_pdr): New.
 577         (pdr_find_duplicate): New.
 578         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 579         Initialize PDR_NB_REFS.
 580         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 581         (PDR_NB_REFS): New.
 582         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 583
 584 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         Revert one of the previous commits:
 587         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 588         the computation of symmetric data dependence relations.
 589         (dependency_between_pbbs_p): Same.
 590
 591 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         PR middle-end/40965
 594         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 595         any transform.
 596
 597 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 598
 599         * graphite-dependences.c (pddr_original_scattering): Return NULL
 600         for read-read dependence relations.
 601         * graphite-poly.h (enum poly_dr_type): Fix comment.
 602         (pdr_read_p): New.
 603         (pdr_write_p): New.
 604         (pdr_may_write_p): New.
 605
 606 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 609         (struct poly_dr): Same.
 610         (new_poly_dr): Same.
 611         * graphite-poly.c (new_poly_dr): Same.
 612
 613 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 614             Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 617         pbb_strip_mine_time_depth.  Changed the implementation so that
 618         transformation is expressed as a transformation on
 619         time (scatttering) dimensions.  Also, ensures that the 2d+1
 620         scheduling format is preserved.
 621         (pbb_strip_mine_profitable_p): Profitability is based on the
 622         iteration number of a given time (scattering) dimension,
 623         and not on a original loop depth dimension.
 624         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 625         (pbb_do_strip_mine): Call psct_dynamic_dim.
 626         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 627         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 628         (pbb_nb_dynamic_scattering_transform): New.
 629         (psct_dynamic_dim): New.
 630
 631 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 632
 633         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 634         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 635         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 636         * graphite-interchange.c (build_linearized_memory_access): Same.
 637         (memory_stride_in_loop): Same.
 638
 639 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 640
 641         * graphite-dependences.c (pddr_original_scattering): New.
 642         (graphite_legal_transform_dr): Call pddr_original_scattering.
 643         (dot_deps_1): New.
 644         (dot_deps): New.
 645         * graphite-dependences.h (dot_deps): Declared.
 646         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 647         (print_pdr): Print PDR_ID.
 648         * graphite-poly.h (struct poly_dr): Add field id.
 649         (PDR_ID): New.
 650         (pbb_index): New.
 651         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 652
 653 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 654
 655         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 656         not delete the original dependence relation.
 657
 658 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 659
 660         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 661         the computation of symmetric data dependence relations.
 662         (dependency_between_pbbs_p): Same.
 663
 664 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 665
 666         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 667         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 668         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 669         (free_poly_ddr): New.
 670         (pddr_is_empty): New.
 671         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 672         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 673         Remove fprintfs.
 674         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 675         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 676         * graphite-dependences.h (enum poly_dependence_kind): New.
 677         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 678         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 679         (PDRP_SINK): Renamed PDDR_SINK.
 680         (PDRP_DDP): Renamed PDDR_DDP.
 681         (PDDR_KIND): New.
 682         (free_poly_ddr): Declared.
 683         * graphite-poly.c (new_scop): Use the new hash function names.
 684         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 685         into original_pddrs.
 686         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 687
 688 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 689
 690         * Merge from mainline (150764:150992).
 691
 692 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 695         bounds with LT_EXPR to make niter analysis more precise on code
 696         generated by Graphite.
 697
 698 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 699
 700         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 701         (graphite_legal_transform_bb): Same.
 702         (poly_drs_may_alias_p): Same.
 703
 704 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 705
 706         PR middle-end/40981
 707         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 708         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 709
 710 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         * graphite-poly.c (print_pbb): Print PBB index.
 713
 714 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * Merge from mainline (r150672:150764).
 717
 718 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * graphite-interchange.c (ppl_max_for_le): Moved...
 721         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 722         * graphite-ppl.c (ppl_max_for_le): ... here.
 723         * graphite-ppl.h (ppl_max_for_le): Declared.
 724
 725 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 726
 727         * Merge from mainline (r150372:150672).
 728
 729 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         PR middle-end/40980
 732         * sese.c (convert_for_phi_arg): New.
 733         (add_guard_exit_phis): Use convert_for_phi_arg.
 734
 735         * testsuite/gfortran.dg/graphite/id-17.f: New.
 736
 737 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 738
 739         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 740         unknown subscript upper bounds.
 741
 742         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 743
 744 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 745             Pranav Garg  <pranav.garg2107@gmail.com>
 746
 747         * graphite-interchange.c (gather_access_strides): Removed.
 748         (ppl_max_for_le): New.
 749         (build_linearized_memory_access): New.
 750         (memory_stride_in_loop): New.
 751         (pbb_interchange_profitable_p): Reimplemented.
 752         * graphite-ppl.h (ppl_new_id_map): New.
 753         (ppl_interchange): New.
 754
 755         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 756
 757 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 758
 759         * graphite-interchange.c (compute_subscript): Removed.
 760         (compute_array_size_cstr): Removed.
 761         (compute_array_size_poly): Removed.
 762         (compute_array_size): Removed.
 763         (gather_access_strides_poly): Removed.
 764         (gather_access_strides): Empty.
 765
 766 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 767
 768         * graphite-dependences.c (dependence_polyhedron_1): Replace
 769         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 770         (graphite_legal_transform_dr): Same.
 771         (graphite_carried_dependence_level_k): Same.
 772         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 773         Initialize PDR_NB_SUBSCRIPTS.
 774         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 775         PDR_NB_SUBSCRIPTS.
 776         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 777         (PDR_NB_SUBSCRIPTS): New.
 778         (pdr_nb_subscripts): Removed.
 779         (pdr_dim): Simplified.
 780         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 781         with PDR_NB_SUBSCRIPTS.
 782
 783 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * graphite-interchange.c (compute_array_size): Remove use of
 786         PDR_DATA_CONTAINER.
 787         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 788         Do not initialize PDR_DATA_CONTAINER.
 789         (print_pdr): Do not print PDR_DATA_CONTAINER.
 790         * graphite-poly.h (struct poly_dr): Remove data_container field.
 791         (PDR_DATA_CONTAINER): Removed.
 792         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 793         PDR_DATA_CONTAINER.
 794         (build_poly_dr): Same.
 795
 796 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 797
 798         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 799
 800 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 801             Sebastian Pop  <sebastian.pop@amd.com>
 802
 803         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 804         copy of the dependence polyhedron.  Free the temporary objects.
 805         (graphite_carried_dependence_level_k): Free unused objects before
 806         returning.
 807
 808         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 809         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 810         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 811         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 812         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 813
 814 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 815
 816         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 817         Early return without analyzing the data dependences if no
 818         transform has been done.  Call restore_scattering if the transform
 819         is not legal.
 820         (graphite-interchange.c): Same.
 821         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 822         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 823         (apply_poly_transforms): Do not gcc_assert that
 824         the transform is legal.
 825         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 826         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 827         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 828         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 829         * graphite-poly.h (struct poly_scattering): New.
 830         (struct poly_bb): Add original, transformed, and saved fields.
 831         Remove transformed_scattering, original_scattering, nb_local_variables,
 832         and nb_scattering_transform fields.
 833         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 834         (poly_scattering_new): New.
 835         (poly_scattering_free): New.
 836         (poly_scattering_copy): New.
 837         (store_scattering_pbb): New.
 838         (store_scattering): New.
 839         (restore_scattering_pbb): New.
 840         (restore_scattering): New.
 841         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 842         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 843
 844 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 847         (print_scop): Same.
 848
 849 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 850
 851         * Makefile.in (graphite.o): Depends on PREDICT_H.
 852         * graphite.c: Include predict.h.
 853         (graphite_finalize): Call tree_estimate_probability.
 854         * predict.c (predict_loops): Do not call scev_initialize and
 855         scev_finalize.
 856         (tree_estimate_probability_bb): New.
 857         (tree_estimate_probability): Do not initialize loops: move that
 858         code to the driver.  Call tree_estimate_probability_bb.
 859         (tree_estimate_probability_driver): New.
 860         (pass_profile): Use tree_estimate_probability_driver.
 861         * predict.h (tree_estimate_probability): Declared.
 862
 863 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 864
 865         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 866         * graphite-dependences.c (graphite_legal_transform): Add time to
 867         TV_GRAPHITE_DATA_DEPS.
 868         (dependency_between_pbbs_p): Same.
 869         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 870
 871 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * Merge from mainline (r149952:150372).
 874
 875 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 876
 877         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 878         * graphite-blocking.c: Same.
 879         * graphite-clast-to-gimple.c: Same.
 880         * graphite-dependences.c: Same.
 881         * graphite-poly.c: Same.
 882         * graphite-poly.h: Same.
 883         * graphite-ppl.c: Same.
 884         * graphite-scop-detection.c: Same.
 885         * graphite-sese-to-poly.c: Same.
 886         * graphite.c: Same.
 887
 888 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 889
 890         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 891         (remove_simple_copy_phi): New.
 892         (remove_invariant_phi): New.
 893         (simple_copy_phi_p): New.
 894         (reduction_phi_p): New.
 895         (gsi_for_ssa_name_def): New.
 896         (insert_out_of_ssa_copy): New.
 897         (insert_out_of_ssa_copy_on_edge): New.
 898         (create_zero_dim_array): New.
 899         (scalar_close_phi_node_p): New.
 900         (rewrite_close_phi_out_of_ssa): New.
 901         (rewrite_phi_out_of_ssa): New.
 902         (rewrite_reductions_out_of_ssa): New.
 903         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 904
 905         * testsuite/gcc.dg/graphite/id-11.c: New.
 906         * testsuite/gcc.dg/graphite/id-15.c: New.
 907         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 908         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 909         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 910         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 911         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 912         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 913         * testsuite/gfortran.dg/graphite/id-13.f: New.
 914         * testsuite/gfortran.dg/graphite/id-5.f: New.
 915
 916 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 919         check that nb_reductions_in_loop is zero.
 920         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 921         reduction phi nodes.
 922         (nb_reductions_in_loop): Removed.
 923         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 924         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 925         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 926         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 927         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 928
 929 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 930
 931         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 932         statements that have an empty iteration domain.
 933         * testsuite/gfortran.dg/graphite/id-16.f: New.
 934
 935 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 936
 937         * tree-scalar-evolution.c (instantiate_scev_1): Return
 938         chrec_dont_know when the result is not above instantiate_below.
 939         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 940         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 941         the tree has a known scalar evolution.
 942         * testsuite/gfortran.dg/graphite/id-14.f: New.
 943         * testsuite/gfortran.dg/graphite/id-15.f: New.
 944
 945 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 946
 947         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 948         insert_gsi.
 949         (rename_variables): Keep inserting renames after the ones already
 950         inserted.
 951
 952 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * graphite-sese-to-poly.c (compare_bb_depths): New.
 955         (graphite_sort_dominated_info): New.
 956         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 957         (build_scop_scattering): Fix comment.
 958
 959 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 960
 961         * graphite.c (graphite_finalize): Call print_loops instead of
 962         dump_function_to_file.
 963         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 964         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 965         loops generated in the graphite output file.
 966         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 967         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 968         * testsuite/gfortran.dg/graphite/id-12.f: New.
 969
 970 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 971
 972         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 973         Remove 2 XFAIL.
 974
 975 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 976             Tobias Grosser  <grosser@fim.uni-passau.de>
 977
 978         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 979         alias set number build alias in ACCESSES polyhedron.
 980         (build_alias_set_for_drs): New.
 981         (build_pbb_drs): Added build_alias_set_for_drs.
 982         * graphite-dependences.c (poly_drs_may_alias_p): New.
 983         (graphite_carried_dependence_level_k): Check alias information
 984         before building polyhedron.
 985
 986 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 987
 988         * Makefile.in (lambda-code.o): Fix formatting.
 989
 990 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 991
 992         * Merge from mainline (r149350-149952)
 993
 994 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 995
 996         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 997         before interchange to prepare for loop blocking.
 998
 999 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1000
1001         * graphite-poly.c (apply_poly_transforms): Add checks after every
1002         transformation.
1003         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1004         done in apply_poly_transforms.
1005
1006 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1007
1008         * graphite-dependences.c (build_lexicographically_gt_constraint):
1009         Replace RES parameter with *RES.
1010         (dependence_polyhedron_1): Pass an address of the parameter RES
1011         instead of value of RES.
1012
1013 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         * graphite.c (graphite_finalize): Fix comment.
1016         (graphite_transform_loops): Reset scev info after code generation
1017         of each scop.
1018
1019 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1020
1021         * graphite.c (graphite_finalize): Call scev_reset.
1022
1023 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1026         GBB_CLOOG_IV_TYPES hash table twice.
1027         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1028         (add_condition_to_domain): Clear GMP values.
1029
1030 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1031
1032         * graphite-dependences.c: Fix formatting.
1033         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1034         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1035         * graphite-sese-to-poly.c: Fix formatting.
1036         * graphite.c (graphite_transform_loops): Create the hash table
1037         after the early return.
1038
1039 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * testsuite/gcc.dg/graphite/id-14.c: New.
1042         * testsuite/gcc.dg/graphite/pr40157.c: New.
1043         * testsuite/gfortran.dg/graphite/id-11.f: New.
1044
1045 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1048         (build_poly_scop): Return false when there are no pbbs within
1049         loops to avoid to pass to cloog scops with no loops.
1050
1051 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1052
1053         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1054         useless test "i % 2".
1055         (build_pbb_scattering_polyhedrons): Fix formatting.
1056         (build_poly_dr): Same.
1057         * graphite.c (graphite_transform_loops): Restructure.
1058
1059 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1060
1061         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1062         reduction_list parameter.
1063         (rewrite_all_phi_nodes_with_iv): Same.
1064         (canonicalize_loop_ivs): Same.
1065         * tree-parloops.c (struct brli): Removed.
1066         (build_reduction_list_info): Removed.
1067         (build_new_reduction): New.
1068         (analyze_reduction_list): Removed.
1069         (gather_scalar_reductions): Find reductions instead of phi
1070         nodes that can't be canonicalized.
1071         (try_create_reduction_list): Remove reduction_list parameter.
1072         (gen_parallel_loop): Same.
1073         (parallelize_loops): Remove analyze_reductions variable,
1074         initialization and free.
1075         Change reduction_list htab initialization to reduction_info
1076         elements instead of ssa names.
1077         Call try_create_reduction_list and gen_parallel_loop without
1078         analyzed_reduction argument.
1079         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1080         canonicalize_loop_ivs with one less argument.
1081         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1082
1083 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1084
1085         * graphite-dependences.c (new_poly_dr_pair): New.
1086         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1087         (new_poly_dr_pair): New.
1088         (eq_poly_dr_pair_p): New.
1089         (hash_poly_dr_pair_p): New.
1090         * graphite-dependences.h (struct poly_dr_pair): New.
1091         (eq_poly_dr_pair_p): Declared.
1092         (hash_poly_dr_pair_p): Declared.
1093         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1094         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1095         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1096         * Makefile.in (graphite-poly.o): Add dependence on
1097         graphite-dependences.h.
1098
1099 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1102         polynomials of degree > 1 pass to Graphite.
1103         * tree-chrec.c (scev_is_linear_expression): Call
1104         evolution_function_is_affine_multivariate_p.
1105         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1106
1107 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1110         Instantiate scevs varying in outer loops.
1111         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1112
1113 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1114
1115         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1116         redundant constraint.
1117
1118 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1119
1120         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1121         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1122         based on the file names as in the C testsuite.
1123         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1124         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1125         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1126         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1127         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1128         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1129         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1130         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1131         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1132         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1133         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1134         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1135         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1136
1137 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         * sese.c (expand_scalar_variables_call): New.
1140         (expand_scalar_variables_ssa_name): Handle calls in expander.
1141
1142 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1143
1144         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1145         Expect to see the pattern twice.
1146         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1147         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1148         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1149
1150 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1151
1152         * testsuite/gcc.dg/graphite/id-10.c: New.
1153         * testsuite/gcc.dg/graphite/id-12.c: New.
1154         * testsuite/gfortran.dg/graphite/id-7.f: New.
1155         * testsuite/gfortran.dg/graphite/id-8.f: New.
1156
1157 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1158
1159         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1160         zero.
1161
1162 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1163
1164         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1165
1166 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1169
1170 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1171
1172         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1173         building PDR subscripts.
1174
1175 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1178         computation of array sizes.
1179
1180 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1183
1184 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1185
1186         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1187         build_pairwise_constraint, dr_equality_constraints,
1188         build_pairwise_scheduling_equality,
1189         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1190         build_lexicographically_gt_constraint, dependence_polyhedron,
1191         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1192         Move from NNC_Polyhedron to C_Polyhedron.
1193         * graphite-interchange.c (compute_array_size_poly,
1194         gather_access_strides): Dito.
1195         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1196         free_scop, pbb_number_of_iterations): Dito.
1197         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1198         pbb_dim_iter_domain, struct scop): Dito.
1199         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1200         new_Cloog_Domain_from_ppl_Polyhedron,
1201         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1202         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1203         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1204         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1205         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1206         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1207         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1208         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1209         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1210         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1211         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1212         build_scop_iteration_domain, build_poly_dr): Dito
1213
1214 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1217         run-id-*.c files.
1218         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1219
1220 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1223         positivity constraint on the symbolic number of iterations.
1224
1225 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1228
1229 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1230             Tobias Grosser  <grosser@fim.uni-passau.de>
1231
1232         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1233         (build_cloog_prog): Directly use SCOP_CONTEXT.
1234         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1235         (free_scop): Free SCOP_CONTEXT.
1236         (print_scop_context): New.
1237         (print_scop): Call print_scop_context.
1238         (debug_scop_context): New.
1239         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1240         (struct scop): Added field context.
1241         (SCOP_CONTEXT): New.
1242         * graphite-sese-to-poly.c (add_param_constraints): New.
1243         (build_scop_context): New.
1244         (build_poly_scop): Call build_scop_context.
1245
1246 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1249         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1250         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1251         * graphite-ppl.h: Include double-int.h and tree.h.
1252         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1253         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1254         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1255         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1256
1257 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1260         POINTER_PLUS_EXPR for pointer types.
1261         (clast_to_gcc_expression): Same.
1262
1263 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * graphite-poly.c (print_scattering_function): Early return when
1266         PBB_TRANSFORMED_SCATTERING is not initialized.
1267         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1268
1269 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1272         to fix bootstrap.
1273
1274 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1275
1276         * tree-parloops.c (analyze_reduction_list): Change return
1277         value to void.
1278         (try_create_reduction_list): Move the call to
1279         analyze_reduction_list to the beginining.
1280         Call reduction_phi with analyzed_reductions as argument
1281         instead of reduction_list.
1282
1283 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1284
1285         *  Merge from mainline (r148296:149346)
1286
1287 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * graphite-scop-detection.c (graphite_can_represent_init): New.
1290         (graphite_can_represent_scev): Call graphite_can_represent_init:
1291         check that the initial value does not contain multiplications of
1292         parameters.
1293         (stmt_has_simple_data_refs_p): New.
1294         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1295         (is_simple_operand): Fix formatting.
1296         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1297
1298 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * testsuite/gcc.dg/graphite/id-13.c: New.
1301         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1302         analyze_scalar_evolution, use scalar_evolution_in_region.
1303         (scan_tree_for_params_right_scev): Add extra assert.
1304         (parameter_index_in_region_1): Split from parameter_index_in_region.
1305         (idx_record_params): Use scalar_evolution_in_region.
1306         (find_params_in_bb): Same.
1307         (find_scop_parameters): Same.
1308         (build_loop_iteration_domains): Same.
1309         (create_linear_expr_from_tree): Same.
1310         * sese.c (scalar_evolution_in_region): New.
1311         * sese.h (scalar_evolution_in_region): Declared.
1312         (defined_in_sese_p): New.
1313         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1314         static anymore.
1315         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1316         Declared.
1317
1318 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1319
1320         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1321         TREE_DATA_REF_H also implies SCEV_H.
1322
1323 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1324
1325         * graphite-poly.c (print_scop_params): New.
1326         (print_scop): Call print_scop_params.
1327         (debug_scop_params): New.
1328         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1329
1330 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1331
1332         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1333         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1334         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1335         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1336         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1337         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1338
1339 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1340
1341         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1342         for dependency checking part.
1343         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1344         tests for dependency checking.
1345         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1346         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1347         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1348         flag -fdump-tree-graphite-all for autopar testsuites.
1349
1350 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1351
1352         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1353         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1354         canonicalize_loop_ivs): Moved...
1355         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1356
1357 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1358
1359         * tree-parloops.c (try_create_reduction_list): Pass an extra
1360         argument analyzed_reductions.  Call analyze_reduction_list.
1361         (gen_parallel_loop): Do not call analyze_reduction_list.
1362         (parallelize_loops): Init and finalize analyzed_reductions.
1363
1364 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1365
1366         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1367         Added flag -fno-loop-strip-mine for autopar testcase.
1368
1369 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1370
1371         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1372         transformed scattering dimension instead of unmatch orignal when
1373         calling dependence_polyhedron.
1374
1375 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1376
1377         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1378
1379 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1382         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1383
1384 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1387         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1388         * graphite-poly.c (pbb_number_of_iterations): New.
1389         * graphite-poly.h (pbb_number_of_iterations): Declared.
1390         (pbb_iterator_dim, pbb_parameter_dim): New.
1391
1392 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1393
1394         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1395         last commit on type of lower and upper bound of loops.
1396
1397 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1398
1399         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1400         graphite-dependences.h.
1401         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1402         (mark_bb_with_pbb): New.
1403         (get_stmtfor_depth): New.
1404         (find_pbb_via_hash): New.
1405         (dependency_in_loop_p): New.
1406         (mark_loops_parallel): New.
1407         (free_aux_in_new_loops): New.
1408         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1409         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1410         innermost loop parallel without checking.
1411         (gloog): Add parameter BB_PBB_MAPPING.
1412         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1413         (gloog): Change declaration.
1414         (mark_loop_parallel): Make extern.
1415         (free_aux_in_new_loops): Declare.
1416         (bb_pbb_map_hash): New.
1417         (eq_bb_pbb_map): New.
1418         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1419         auto parallelization when flag_graphite_force_parallel is set.
1420         (graphite_finalize): Added free_aux_in_new_loops.
1421         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1422         the innermost loop that marked parallel.  Use
1423         flag_graphite_force_parallel instead of loop->can_be_parallel.
1424         (loop_parallel_p): Move inner most checking out of function.
1425
1426 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1429         type of lower and upper bound of loops signed long int.
1430
1431 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1432
1433         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1434         expression outside the loop.
1435
1436 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * gcc.dg/graphite/interchange-8.c: New.
1439
1440 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * gcc.dg/graphite/interchange-0.c: XFailed.
1443         * gcc.dg/graphite/interchange-5.c: XFailed.
1444         * gcc.dg/graphite/interchange-6.c: XFailed.
1445
1446 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * graphite-interchange.c (compute_array_size_poly): The end of the
1449         recursion should return 1.
1450
1451 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1452
1453         * graphite-interchange.c (compute_array_size_cstr): Allow the
1454         subscript multiplier to be -1.
1455         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1456         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1457         data_container.  Initializes PDR_DATA_CONTAINER.
1458         (print_pdr_access_layout): New.
1459         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1460         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1461         data_container.
1462         (PDR_DATA_CONTAINER): New.
1463         (new_poly_dr): Update declaration.
1464         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1465         (build_poly_dr): Call pdr_add_data_dimensions.
1466
1467 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * graphite-poly.h (struct poly_dr): Fix comment.
1470         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1471         (pdr_add_memory_accesses): New.
1472         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1473
1474 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1475
1476         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1477         (print_pbb): Add call to print_pdrs.
1478         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1479
1480 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1481             Li Feng <nemokingdom@gmail.com>
1482
1483         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1484         (dependency_between_pbbs_p): New.
1485         (lexicographically_gt_p): Assure !empty_p before polyhedron
1486         intersection assign.
1487         (build_lexicographically_gt_constraint): Correct lexicographically
1488         judging.
1489         * graphite-dependences.h: New.
1490         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1491
1492 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1493
1494         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1495         (gloog): Print to dump_file the generated clast.
1496         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1497         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1498
1499 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1500
1501         * graphite-poly.c (extend_scattering): Increment
1502         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1503
1504 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1505
1506         * graphite-interchange.c (compute_array_size_poly): Added exit of
1507         recursion condition.  Continue iterating even after the first equality.
1508         (compute_array_size): Same.
1509
1510 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1511
1512         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1513         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1514         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1515         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1516         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1517
1518 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1521         only when the use verifies is_gimple_reg.
1522
1523 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1524
1525         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1526         Allocate scaldims after call to unify_scattering_dimensions.
1527
1528 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1531
1532 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1533             Albert Cohen  <albert.cohen@inria.fr>
1534
1535         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1536         variables for the strip mining.
1537
1538 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1539             Pranav Garg  <pranav.garg2107@gmail.com>
1540
1541         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1542         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1543         (graphite-blocking.o): New rule.
1544         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1545         * graphite-blocking.c: New.
1546         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1547         flag_loop_strip_mine.
1548         (psct_scattering_dim_for_loop_depth): New.
1549         * graphite-poly.h (scop_do_strip_mine): Declared.
1550         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1551         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1552         flag_loop_strip_mine.
1553
1554 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1555
1556         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1557         a GMP value and a PPL coefficient at each iteration of a loop.
1558
1559 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1560
1561         * graphite-dependences.c (dependence_polyhedron): Do not use
1562         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1563         pbb_nb_scattering_transform.
1564         (graphite_legal_transform_dr): Same.
1565         * graphite-poly.c (extend_scattering): Same.
1566         (unify_scattering_dimensions): Same.
1567         (print_scattering_function): Same.
1568         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1569         PBB_NB_LOCAL_VARIABLES.
1570         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1571         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1572         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1573         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1574         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1575         (pbb_nb_scattering_transform): New.
1576         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1577         (psco_scattering_dim): Add assert on parameters.
1578         (psct_scattering_dim): Same.
1579         (psct_scattering_dim_for_loop_depth): Declared.
1580         (psct_local_var_dim): New.
1581         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1582         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1583         correct layout, call pbb_nb_local_vars.
1584         (psct_add_local_variable, psct_add_scattering_dimension): New.
1585         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1586         Initialize PBB_NB_SCATTERING_TRANSFORM.
1587
1588 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1589
1590         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1591         (set_coef): Renamed ppl_set_coef.
1592         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1593
1594 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1597         test a boolean against 1.
1598         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1599         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1600         (pbb_do_interchange): Returns true when a transform has been performed.
1601         (scop_do_interchange): Same.
1602         * graphite-poly.c (apply_poly_transforms): Use the return value of
1603         scop_do_interchange.
1604         * graphite-poly.h (scop_do_interchange): Update declaration.
1605
1606 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1607
1608         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1609         after last use.
1610         * sese.c (sese_reset_aux_in_loops): New.
1611         * sese.h (sese_reset_aux_in_loops): New.
1612
1613 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1614
1615         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1616         multiplier and multiply the constant by the multiplier.
1617         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1618         (build_poly_dr): Do not use the multiplier to define the subscript.
1619
1620 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1621
1622         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1623         compiler's data reference.  Initialize PDR_CDR.
1624         (print_pdr): Call dump_data_reference.
1625         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1626         Add compiler_dr field.
1627         (PDR_BB): Renamed PDR_PBB.
1628         (PDR_CDR): New.
1629         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1630         GCC's data reference representation.
1631         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1632         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1633
1634 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1635
1636         * graphite-poly.c (print_scattering_function): Also print the layout.
1637         * graphite-poly.h (pbb_nb_local_vars): New.
1638
1639 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1642
1643 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1644
1645         * graphite-poly.c (print_pdr, debug_pdr): New.
1646         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1647         (PDR_BASE): Removed.
1648
1649 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1652         ltrans-{1..6,8}.c.
1653
1654 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1657         subscript identification column.
1658         (pbb_do_interchange): Print to dump_file that some loops "will be
1659         interchanged".  Rely on that chain of characters in the testcases.
1660         * gcc.dg/graphite/interchange-0.c: New.
1661         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1662         interchange-*.c files and compile them with -floop-interchange.
1663
1664 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1665
1666         * graphite-interchange.c (interchange_profitable_p): Renamed
1667         pbb_interchange_profitable_p.
1668
1669 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1670             Harsha Jagasia  <harsha.jagasia@amd.com>
1671             Pranav Garg  <pranav.garg2107@gmail.com>
1672
1673         * graphite-interchange.c (interchange_profitable_p): Make static.
1674         (pbb_interchange_loop_depths, pbb_do_interchange,
1675         scop_do_interchange): New.
1676         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1677         for flag_loop_interchange.
1678         * graphite-poly.h (scop_do_interchange): Declared.
1679         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1680         flag_loop_interchange is used.
1681
1682 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1683
1684         * graphite-dependences.c (dependence_polyhedron): Update use of
1685         pbb_nb_scattering_dims.
1686         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1687         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1688         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1689         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1690
1691 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite.c: Cleanup foo.
1694
1695 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * Merge from mainline (r143684:148293).
1698         * Disabled libpcp until it gets fixed.
1699
1700 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1701             Harsha Jagasia  <harsha.jagasia@amd.com>
1702
1703         * graphite-interchange.c: New.
1704         * Makefile.in (graphite-interchange.o): New.
1705         * graphite-poly.h (interchange_profitable_p): Declared.
1706         * graphite-ppl.h (value_max): New.
1707
1708 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1709
1710         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1711         * graphite-poly.h: Fix some comments.
1712         (pdr_dim): New.
1713         (pdr_scop): New.
1714
1715 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1716
1717         * graphite-poly.h
1718         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1719         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1720         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1721         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1722         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1723         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1724         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1725         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1726         * graphite-clast-to-gimple.c: Same.
1727         * graphite-dependences.c: Same.
1728         * graphite-poly.c: Same.
1729         * graphite-sese-to-poly.c: Same.
1730
1731 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1734         expressions for an IV rename, as returned by clast_to_gcc_expression.
1735         (copy_renames): Rename new_name to expr.
1736         * sese.c (debug_rename_elt): Same.
1737         (get_rename): Same.
1738         (set_rename): Same.
1739         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1740         the information from the rename map.
1741         (rename_variables_in_stmt): Same.
1742         (add_loop_exit_phis): Rename new_name to expr.
1743         (insert_loop_close_phis): Same.
1744         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1745         * sese.h (struct rename_map_elt): Rename new_name to expr.
1746         (new_rename_map_elt): Same.
1747
1748 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1751         * sese.c (set_rename): Make it extern.
1752         * sese.h (set_rename): Declared.
1753
1754 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1755
1756         * graphite-poly.c (extend_scattering): Free values.
1757         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1758         Free iterators.
1759         (ppl_print_powerset_matrix): Same.
1760         * graphite-scop-detection.c (free_scops_1): New.
1761         (limit_scops): Call free_scops_1.
1762         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1763         (build_poly_dr): Free PPL coefficients.
1764         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1765
1766 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * graphite-dependences.c: New.
1769         * graphite-data-ref.c: Removed.
1770         * graphite-data-ref.h: Removed.
1771         * Makefile.in (graphite-data-ref.o): Removed.
1772         (graphite-dependences.o): Added.
1773         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1774         * graphite-poly.c: Same.
1775         Move the data dependence testing to graphite-dependences.c.
1776
1777 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1778
1779         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1780         from graphite_cannot_represent_loop. Code refactored.
1781         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1782
1783 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1784
1785         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1786         Cover all the testcases (not only the filtered ones).
1787
1788 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1789
1790         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1791         unnecessary check. Update comments. Move check for REAL_TYPE here.
1792         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1793         done in (stmt_simple_for_scop_p).
1794
1795 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1796
1797         * graphite.c (print_global_statistics): New.
1798         (print_graphite_scop_statistic): New.
1799         (print_graphite_statistics): New.
1800         (graphite_initialize, graphite_transform_loops): Print statistics.
1801         * graphite-scop-detection (build_scops): Print statistics.
1802         (print_graphite_scop_statistics): New.
1803         (print_graphite_statistics): New.
1804
1805 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1808         (debug_clast_name_index): Removed.
1809         (debug_clast_name_indexes_1): Removed.
1810         (debug_clast_name_indexes): Removed.
1811         (clast_name_index_elt_info): Removed.
1812         (eq_clast_name_indexes): Removed.
1813         (clast_name_to_index): Removed.
1814         (new_clast_name_index): Removed.
1815         (save_clast_name_index): Removed.
1816         (save_var_name): Moved...
1817         (init_sese_params_index): Removed.
1818         (clast_name_to_gcc): Remove use of name_tree.
1819         (initialize_cloog_names): Same.
1820         (gloog): Do not call init_sese_params_index.
1821         * graphite-sese-to-poly.c (save_var_name): ...here.
1822         (parameter_index_in_region): New.
1823         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1824         (parameter_index_in_region): Removed.
1825         (is_parameter): Remove use of name_tree.
1826         * sese.h (struct name_tree): Removed.
1827         (struct sese): Remove use of name_tree.  New field params_names.
1828         (SESE_PARAMS_NAMES): New.
1829         (SESE_PARAMS): Remove duplicate.
1830         (parameter_index_in_region): Removed.
1831         (sese_nb_params): Remove use of name_tree.
1832         (struct clast_name_index): New.
1833         (new_clast_name_index): New.
1834         (clast_name_to_index): New.
1835         (save_clast_name_index): New.
1836         (debug_clast_name_index): New.
1837         (debug_clast_name_indexes_1): New.
1838         (debug_clast_name_indexes): New.
1839         (clast_name_index_elt_info): New.
1840         (eq_clast_name_indexes): New.
1841
1842 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1843
1844         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1845         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1846         (graphite_loop_normal_form): Do not pass region.  Do not
1847         initialize SESE_OLDIVS.
1848         (build_graphite_loop_normal_form): Update call to
1849         graphite_loop_normal_form.
1850         * sese.c (debug_oldivs): Removed.
1851         (new_sese): Do not initialize SESE_OLDIVS.
1852         (free_sese): Do not free SESE_OLDIVS.
1853         (oldiv_for_loop): Removed.
1854         * sese.h (struct sese): Remove old_ivs.
1855         (SESE_OLDIVS): Removed.
1856         (oldiv_for_loop): Removed.
1857
1858 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1859
1860         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1861         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1862         replaced by a call to newivs_to_depth_to_newiv.
1863         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1864         (clast_to_gcc_expression_red): Same.
1865         (gcc_type_for_clast_expr): Same.
1866         (gcc_type_for_clast_eq): Same.
1867         (graphite_translate_clast_equation): Same.
1868         (graphite_create_guard_cond_expr): Same.
1869         (graphite_create_new_guard): Same.
1870         (graphite_create_new_loop): Same.
1871         (build_iv_mapping): Same.
1872         (translate_clast): Same.
1873         (gloog): Same.
1874         (loop_iv_stack_patch_for_consts): Removed.  *
1875         sese.c (iv_stack_entry_is_constant): Removed.
1876         (iv_stack_entry_is_iv): Removed.
1877         (loop_iv_stack_push_iv): Removed.
1878         (loop_iv_stack_insert_constant): Removed.
1879         (loop_iv_stack_pop): Removed.
1880         (loop_iv_stack_get_iv): Removed.
1881         (loop_iv_stack_get_iv_from_name): Removed.
1882         (debug_loop_iv_stack): Removed.
1883         (free_loop_iv_stack): Removed.
1884         (loop_iv_stack_remove_constants): Removed.  *
1885         sese.h (iv_stack_entry_kind): Removed.
1886         (iv_stack_entry_data_union): Removed.
1887         (iv_stack_entry_struct): Removed.
1888         (iv_stack_entry_p): Removed.
1889         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1890         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1891         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1892         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1893         (gbb_loop_at_index): Fix indenting.
1894         (gbb_loop_index): Removed.
1895
1896 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1899         Call clast_name_to_index.
1900
1901 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1902
1903         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1904         do not pass params.  Get params from SESE_PARAMS.
1905         (clast_to_gcc_expression): Same.
1906         (clast_to_gcc_expression_red): Same.
1907         (gcc_type_for_clast_eq): Same.
1908         (graphite_translate_clast_equation): Same.
1909         (graphite_create_new_loop): Same.
1910         * sese.c (rename_variables_in_stmt): Fix comment.
1911
1912 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1915         newivs_index.
1916         Call save_clast_name_index.
1917         (translate_clast): Pass newivs_index.
1918         (gloog): Create and free newivs_index.
1919
1920 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1923         (clast_name_index_p): New type.
1924         (debug_clast_name_index): New.
1925         (debug_clast_name_indexes_1): New.
1926         (debug_clast_name_indexes): New.
1927         (clast_name_index_elt_info): New.
1928         (eq_clast_name_indexes): New.
1929         (clast_name_to_index): New.
1930         (new_clast_name_index): New.
1931         (save_clast_name_index): New.
1932         (init_sese_params_index): New.
1933         (gloog): Call init_sese_params_index.
1934         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1935         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1936         (free_sese): Free SESE_PARAMS_INDEX.
1937         * sese.h (struct sese): Add params_index.
1938         (SESE_PARAMS_INDEX): New.
1939
1940 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1941
1942         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1943         (graphite_create_new_loop): Pass the newivs vector.  Push the
1944         newly created IV to newivs.
1945         (translate_clast): Pass the newivs vector.
1946         (gloog): Create and destroy the newivs vector.
1947
1948 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1951         (graphite_loop_normal_form): Initialize loop->aux with the unique
1952         IV that has been created.
1953
1954 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1955
1956         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1957         scev with parameters in the base part. They where forbidden
1958         exidently.
1959
1960 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1961
1962         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1963         compile options by file names.
1964         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1965         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1966         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1967         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1968
1969 2009-05-08  Li Feng <nemokingdom@gmail.com>
1970
1971         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1972         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1973         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1974         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1975
1976 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1977
1978         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1979         by final cleanup.
1980
1981 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1982
1983         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1984         allow integer constant strides.
1985         (graphite_can_represent_expr): Depend on outermost_loop.
1986         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1987         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1988         build_scops_1): Same.
1989         (scopdet_basic_block_info): Same and insert layered SCoP
1990         detection.
1991         (try_generate_gimple_bb): Cleanup.
1992         (build_scops): Enable data references.
1993
1994         * testsuite/gcc.dg/graphite/id-5.c: New.
1995         * testsuite/gcc.dg/graphite/id-9.c: New.
1996         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1997         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1998
1999 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2000
2001         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2002         that we have not yet built for this SCoP.
2003
2004 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2005
2006         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2007         for complex numbers.
2008
2009 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2010
2011         * graphite-ppl.c: Fix build if cloog is not available.
2012
2013 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2014
2015         * tree-parloops.c (loop_parallel_p): Remove construction of
2016         NITER and REDUCTION_LIST.
2017         (try_get_loop_niter): New.
2018         (try_create_reduction_list): New.
2019         (parallelize_loops): Bypass the failed checkings in autopar
2020         when can_be_parallel in loop structure is set to true.
2021
2022 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2023
2024         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2025         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2026
2027 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2028
2029         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2030         Enable EQ_EXPR and NE_EXPR again.
2031
2032 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2033
2034         * graphite-scop-detection.c (graphite_can_represent_scev):
2035         Add check if scev is affine multivariate.
2036         (harmful_stmt_in_bb): Check if we can represent the conditions.
2037         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2038         harmful_stmt_in_bb.
2039         * testsuite/gcc.dg/graphite/id-7.c: New.
2040
2041 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2042
2043         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2044         Check all bbs in region, not only the bbs that are represented in
2045         GRAPHITE.
2046         (build_poly_scop): Add newline.
2047         * testsuite/gcc.dg/graphite/id-8.c: New.
2048
2049 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2050
2051         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2052         when loop initialize.
2053         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2054         * common.opt: Declare flag_graphite_force_parallel.
2055         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2056         loop parallel.
2057         * graphite-poly.c (apply_poly_transforms): Introduce
2058         flag_graphite_force_parallel.
2059         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2060         * toplev.c (process_options): ditto and replace a not correctly
2061         encoded space.
2062
2063 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2064
2065         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2066         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2067         to the redefinition.
2068         (compute_cloog_iv_types_1): ditto.
2069         (build_iv_mapping): ditto.
2070         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2071         initialization.
2072         (free_gimple_bb): Removed GBB_LOOPS related free part.
2073         (build_bb_loops): Removed.
2074         * sese.h (struct gimple_bb): Removed loops.
2075         (GBB_LOOPS): Removed.
2076         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2077         (gbb_loop_index): ditto.
2078
2079 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2080
2081         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2082         allow non constant strides.
2083         * testsuite/gcc.dg/graphite/scop-20.c: New.
2084
2085 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2086
2087         * graphite-scop-detection.c (dot_all_scops): Fix system call
2088         return value warning.
2089         (dot_scop): Same.
2090
2091 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2094         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2095
2096 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2099         build_pairwise_constraint, dr_equality_constraints,
2100         build_pairwise_scheduling_equality,
2101         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2102         build_lexicographically_gt_constraint, dependence_polyhedron,
2103         graphite_legal_transform_dr, graphite_legal_transform_bb,
2104         graphite_legal_transform): New.
2105         * graphite-poly.h (graphite_legal_transform): Declared.
2106         * graphite-sese-to-poly.c (build_poly_scop): Call to
2107         graphite_legal_transform is disabled for the moment.
2108
2109 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         * graphite-poly.h (pbb_nb_scattering_dims): New.
2112         (pbb_nb_scattering): Use it.
2113
2114 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2115
2116         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2117         Pointset_Powerset version of ppl_insert_dimensions.
2118         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2119
2120 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2121
2122         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2123
2124 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2125
2126         * graphite-poly.h: Fix comment.
2127
2128 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2131
2132 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2133
2134         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2135         statements.
2136
2137 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2138
2139         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2140         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2141         conditions.
2142
2143 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2146         handle EQ_EXPR and NE_EXPR.
2147
2148 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2149
2150         * graphite-poly.h (poly_dr): Fix comment.
2151
2152 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2153             Tobias Grosser  <grosser@fim.uni-passau.de>
2154
2155         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2156         with a zero dimension polyhedron.
2157         (find_scop_parameters): Move the call to scop_set_nb_params here.
2158         (build_loop_iteration_domains): Store in loop->aux the iteration
2159         domain polyhedron.
2160         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2161         by any loop in scop.
2162         (build_poly_scop): Do not call scop_set_nb_params.
2163
2164 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2165             Tobias Grosser  <grosser@fim.uni-passau.de>
2166
2167         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2168         add_condition_to_domain not GT_EXPR.
2169
2170 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2171
2172         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2173         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2174         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2175         upper_bound_assign to calculate unions.
2176         * testsuite/gcc.dg/graphite/id-6.c: New.
2177
2178 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2179
2180         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2181         handle abnormal edges.
2182
2183 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2184
2185         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2186         (free_poly_bb): Also free poly_drs.
2187         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2188         (poly_dr): Polyhedron to Pointset_Powerset.
2189         (pdr_accessp_nb_subscripts): Same.
2190         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2191         poly_drs.
2192
2193 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2196         names into more meaningful names.
2197
2198 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2201         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2202
2203 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2204
2205         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2206         the reduction_list.
2207         * tree-parloops.c (rewrite_phi_with_iv): New.
2208         (rewrite_all_phi_nodes_with_iv): New.
2209         (canonicalize_loop_ivs): Call them.
2210
2211 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2212
2213         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2214         graphite_find_data_references_in_stmt.
2215         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2216         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2217
2218 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2221
2222 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2223
2224         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2225         instead of bb_in_region.
2226         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2227         (build_sese_conditions): Use flag_bb_in_sese.
2228         * sese.c (register_bb_in_sese): Removed.
2229         (new_sese): Remove initialization of SESE_REGION_BBS.
2230         (free_sese): Do not free SESE_REGION_BBS.
2231         * sese.h (struct sese): Remove field region_basic_blocks.
2232         (SESE_REGION_BBS): Removed.
2233         (bb_in_sese_p): Implement in function of bb_in_region.
2234
2235 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2238         loops.
2239
2240 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2241
2242         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2243         and EQ_EXPR.
2244         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2245         (add_condition_to_domain): New.
2246         (add_condition_to_pbb): New.
2247         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2248         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2249
2250 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2251
2252         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2253         ppl_Pointset_Powerset.
2254         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2255         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2256         (pbb_nb_loops): Same.
2257         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2258         add_conditions_to_domain): Same.
2259         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2260         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2261         ppl_const_Polyhedron_t.
2262         (ppl_print_powerset_matrix): New.
2263         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2264         ppl_print_powerset_matrix): New.
2265         (ppl_print_polyhedron_matrix): Updated.
2266
2267 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2270
2271 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2272
2273         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2274         (print_iteration_domains, debug_iteration_domain,
2275         debug_iteration_domains): New.
2276         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2277         debug_iteration_domains): Declared.
2278         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2279         indenting.
2280
2281 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2282             Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * graphite-poly.h (print_iteration_domain): New.
2285         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2286         (build_sese_conditions_1, build_sese_conditions_after,
2287         build_sese_conditions_before): New.
2288         (build_sese_conditions): Rewritten.
2289
2290 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2291             Tobias Grosser  <grosser@fim.uni-passau.de>
2292
2293         Cleanup of code generation liveouts.
2294         * graphite-clast-to-gimple.c (translate_clast): Use a single
2295         rename_map instead of one per translated statement.
2296         Do not use SESE_LIVEOUT_RENAMES.
2297         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2298         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2299         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2300         phi node of a reduction: when a loop contains a reduction used outside
2301         the loop, there should be a scalar close phi node on the exit block.
2302         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2303         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2304         (free_sese): Do not free them.
2305         (sese_build_liveouts_use): Do not use them.
2306         (sese_build_liveouts_bb): Same.
2307         (sese_build_liveouts): Same.
2308         (sese_insert_phis_for_liveouts): Same.
2309         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2310         (defined_in_loop_p): New.
2311         (alive_after_loop): New.
2312         (close_phi_not_yet_inserted_p): New.
2313         (struct alep, alep_p): New.
2314         (add_loop_exit_phis): Remove from the rename_map all the names defined
2315         in the code generated loop.
2316         (insert_loop_close_phis): Traverse the rename_map passed to it.
2317         Don't use SESE_LIVEOUT_RENAMES.
2318         (default_liveout_before_guard): Renamed default_before_guard.
2319         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2320         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2321         (register_sese_liveout_renames): Removed.
2322         (copy_bb_and_scalar_dependences): Do not call it.
2323         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2324         reduction_list.
2325         (SESE_LIVEOUT): Removed.
2326         (SESE_LIVEOUT_RENAMES): Removed.
2327         (SESE_REDUCTION_LIST): Removed.
2328         (sese_build_liveouts): Removed.
2329         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2330         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2331         (insert_guard_phis): Same.
2332         (rename_map_elt): Declare a VEC of them.
2333         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2334         trees not pointers to trees.
2335
2336         Rewrite in canonical close SSA form:
2337         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2338         (limit_scops): Close the scop after the block containing the close phi
2339         nodes.
2340         (canonicalize_loop_closed_ssa): New.
2341         (canonicalize_loop_closed_ssa_form): New.
2342         (build_scops): Call canonicalize_loop_closed_ssa_form.
2343
2344         * graphite-sese-to-poly.c: Fix typos.
2345
2346 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2347
2348         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2349         Extended.
2350         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2351         (print_pbb): Add conditions.
2352
2353 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2354             Sebastian Pop  <sebastian.pop@amd.com>
2355
2356         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2357         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2358         (build_scop_bbs_1): New.
2359         (build_scop_bbs): Rewrite.
2360         * sese.h (bb_in_region): New.
2361
2362 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2363
2364         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2365         poly_drs vector.
2366         (print_scop): Style.
2367         * graphite-poly.h (poly_bb): Add drs vector.
2368         (PBB_DRS): Add accessor.
2369         * graphite-sese-to-poly.c (build_poly_dr): New.
2370         (build_pbb_drs, build_scop_drs): New.
2371         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2372
2373 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2374
2375         * tree-ssa-loop.c: Include forgotten toplev.h
2376
2377 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2378
2379         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2380         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2381         * testsuite/gcc.dg/graphite/pr37928.c: Same
2382         * testsuite/gcc.dg/graphite/pr38409.c: Same
2383         * testsuite/gcc.dg/graphite/pr38498.c: Same
2384         * testsuite/gcc.dg/graphite/pr38559.c: Same
2385         * testsuite/gcc.dg/graphite/pr39335.c: Same
2386         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2387         * testsuite/gfortran.dg/graphite/block-2.f: Same
2388         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2389         with -floop-*.
2390
2391 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2392
2393         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2394         build_access_matrix, build_scop_data_accesses): Remove access function
2395         building. (We get a new version soon).
2396         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2397         * sese.h (nb_loops_around_loop_in_sese): Remove.
2398         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2399
2400 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2401             Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * graphite-scop-detection.c (struct scopdet_info): Rename last
2404         field to exit.
2405         (scopdet_basic_block_info, build_scops_1): Don't use
2406         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2407
2408 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2409             Sebastian Pop  <sebastian.pop@amd.com>
2410
2411         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2412         * sese.c (sese_build_liveouts_use): Renamed from
2413         sese_build_livein_liveouts_use. Remove liveins.
2414         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2415         Call sese_build_liveouts_use.
2416         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2417         Call sese_build_liveouts_bb.
2418         (new_sese, free_sese): Remove liveins.
2419         (sese_add_exit_phis_var): Deleted.
2420         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2421         directly.
2422         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2423
2424         * sese.h (sese): Remove num_ver and livein.
2425         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2426
2427 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2428
2429         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2430
2431 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2432
2433         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2434         (build_scop_scattering): Do not use compare_prefix_loops any more.
2435         (nb_common_loops): New.
2436
2437 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2440         (register_old_and_new_names): Renamed set_rename.
2441
2442 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2443
2444         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2445         of the decl from the previous commit.
2446
2447 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2448
2449         * graphite-scop-detection.c (dot_scop): New.
2450         * graphite-scop-detection.h (dot_scop): Declared.
2451
2452 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2453
2454         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2455
2456 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2459         condition at the end of the loop.
2460         * graphite.c (graphite_initialize, graphite_finalize): Print to
2461         dump_file the compiled function.
2462         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2463         of create_empty_loop_on_edge.
2464         (translate_clast): Update the code generation of loops for the new
2465         shape of loops.
2466         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2467
2468 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2469
2470         Reverted the patch from 2009-03-19.
2471
2472 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2473
2474         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2475         poly_drs vector.
2476         (print_scop): Style.
2477         * graphite-poly.h (poly_bb): Add drs vector.
2478         (PBB_DRS): Add accessor.
2479         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2480         (build_access_matrix_with_af, build_access_matrix,
2481         build_scop_data_accesses): Delete.
2482         (build_poly_dr): New.
2483         (build_pbb_drs, build_scop_drs): New.
2484         (build_poly_scop): call build_scop_drs.
2485
2486 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2489         once per basic block.
2490
2491 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2492
2493         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2494         (graphite_can_represent_expr): Renamed from loop_affine_expr
2495         and enhanced.
2496         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2497         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2498         (scopdet_basic_block_info): Actually define entry_block.
2499         (stmt_simple_memref_p): Moved here from ...
2500
2501         * tree-data-ref.c (stmt_simple_memref_p): here.
2502         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2503
2504 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2505
2506         * testsuite/gcc.dg/graphite/id-4.c: New.
2507
2508 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2509
2510         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2511         (register_old_and_new_names): Update the content of the map.
2512         When there was already a rename_map_elt in the map at that
2513         location, free it.
2514         (copy_bb_and_scalar_dependences): Do rename_variables after
2515         expand_scalar_variables.
2516         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2517         of the map.  When there was already a rename_map_elt in the
2518         map at that location, free it.
2519         (translate_clast): Pass the rename_map.  Do not initialize and free
2520         a rename_map per stmt_user.
2521         (gloog): Initialize and free one rename_map and pass it to
2522         translate_clast.
2523
2524 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * sese.c (expand_scalar_variables_stmt,
2527         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2528         parameter.
2529         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2530         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2531         the gimple_stmt_iterator of the statement to be expanded.
2532         * graphite-scop-detection.c (is_simple_operand): Do handle
2533         REALPART_EXPR.
2534
2535 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2536
2537         * graphite-scop-detection.c (is_simple_operand): Do not handle
2538         REALPART_EXPR.
2539         * testsuite/gcc.dg/graphite/id-2.c: New.
2540
2541         * graphite-sese-to-poly.c (build_bb_loops,
2542         add_value_to_dim, scan_tree_for_params_right_scev,
2543         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2544         find_params_in_bb, build_loop_iteration_domains,
2545         add_conditions_to_domain): Remove subtract.
2546
2547 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2548
2549         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2550         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2551         pbb_loop_at_index -> gbb_loop_at_index.
2552         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2553         (debug_loop_vec): Delete.
2554         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2555         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2556         (PBB_LOOPS): Removed.
2557         (PBB_BLACK_BOX): Insert cast.
2558         (pbb_set_black_box): New setter.
2559         (pbb_loop_at_index, pbb_loop_index): Removed.
2560         (scop_set_region, scop_set_nb_params): New.
2561         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2562         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2563         (build_poly_scop): Use scop_set_nb_params.
2564         * sese.h (gimple_bb): Add LOOPS.
2565         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2566
2567 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2568
2569         Revert previous commit.
2570
2571 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2574         (register_old_and_new_names): Update the content of the map.
2575         When there was already a rename_map_elt in the map at that
2576         location, free it.
2577         (copy_bb_and_scalar_dependences): Do rename_variables after
2578         expand_scalar_variables.
2579         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2580         of the map.  When there was already a rename_map_elt in the
2581         map at that location, free it.
2582         (translate_clast): Pass the rename_map.  Do not initialize and free
2583         a rename_map per stmt_user.
2584         (gloog): Initialize and free one rename_map and pass it to
2585         translate_clast.
2586
2587 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2588
2589         Remove forgotten line in revert.
2590
2591 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2592
2593         Revert previous commit.
2594
2595 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2596
2597         * sese.c (register_old_and_new_names): Update the content
2598         of the map.  When there was already a rename_map_elt in the
2599         map at that location, free it.
2600         (copy_bb_and_scalar_dependences): Do rename_variables after
2601         expand_scalar_variables.
2602         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2603         of the map.  When there was already a rename_map_elt in the
2604         map at that location, free it.
2605         (translate_clast): Pass the rename_map.  Do not initialize and free
2606         a rename_map per stmt_user.
2607         (gloog): Initialize and free one rename_map and pass it to
2608         translate_clast.
2609
2610 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * graphite-clast-to-gimple.c (translate_clast): context_loop
2613         is never NULL.
2614
2615 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2616             Sebastian Pop  <sebastian.pop@amd.com>
2617
2618         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2619         of the use of ppl_Polyhedron_map_space_dimensions.
2620
2621 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2622             Sebastian Pop  <sebastian.pop@amd.com>
2623
2624         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2625         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2626         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2627         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2628         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2629         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2630         pbb_nb_params): New.
2631         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2632         nb_loops_around_pbb): Adapt return types.
2633
2634 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2635
2636         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2637         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2638         graphite-scop-detection.o, graphite-poly.o): Add
2639         more headers.
2640
2641 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2642
2643         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2644         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2645         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2646
2647 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2648
2649         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2650         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2651         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2652         * testsuite/gcc.dg/graphite/block-0.c: Same.
2653         * testsuite/gcc.dg/graphite/block-1.c: Same.
2654         * testsuite/gcc.dg/graphite/block-2.c: Same.
2655         * testsuite/gcc.dg/graphite/block-3.c: Same.
2656         * testsuite/gcc.dg/graphite/block-4.c: Same.
2657         * testsuite/gcc.dg/graphite/block-5.c: Same.
2658         * testsuite/gcc.dg/graphite/block-6.c: Same.
2659         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2660         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2661         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2662         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2663         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2664         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2665         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2666         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2667         * opts.c: Remove -floop-block from -O2.
2668         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2669         -floop-strip-mine are used.
2670
2671 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2672             Sebastian Pop  <sebastian.pop@amd.com>
2673
2674         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2675         dimensions.
2676         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2677         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2678         strip_mine_profitable_p, is_interchange_valid,
2679         graphite_trans_bb_block, graphite_trans_loop_block,
2680         graphite_trans_scop_block): Temporary removed.
2681         (extend_scattering, unify_scattering_dimensions): New.
2682         (print_scattering_function, graphite_read_transforms):
2683         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2684         (graphite_generate_scattering_fns): Removed.
2685         (apply_poly_transforms): Cleanup.
2686         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2687         (schedule_to_scattering): Moved.
2688         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2689         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2690         (pbb_nb_scattering): New.
2691         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2692         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2693         Removed.
2694         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2695         shift_poly.
2696         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2697         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2698         -> PBB_TRANSFORMED_SCATTERING.
2699         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2700         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2701         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2702         (check_poly_representation): Do not return bool.
2703         (graphite_transform_loops): Reformat.
2704         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2705
2706 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2709         debug_pbb_domain, debug_pbb, debug_scop): New.
2710         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2711         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2712
2713 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2714
2715         PR middle-end/39335
2716         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2717         when the type precision of the induction variable should be
2718         larger than the type precision of nit.
2719         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2720         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2721         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2722
2723         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2724         * testsuite/gcc.dg/graphite/pr39335.c: New.
2725
2726 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2729         SSA_NAMES not struct reduction_info.
2730
2731 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2732
2733         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2734
2735 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2736             Tobias Grosser  <grosser@fim.uni-passau.de>
2737
2738         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2739         (free_sese): Free SESE_REDUCTION_LIST.
2740         * sese.h (struct sese): Add field reduction_list.
2741         (SESE_REDUCTION_LIST): New.
2742         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2743         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2744
2745 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2746             Tobias Grosser  <grosser@fim.uni-passau.de>
2747
2748         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2749         of loop_p.
2750
2751 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2752             Tobias Grosser  <grosser@fim.uni-passau.de>
2753
2754         * tree-parloops.c (struct brli, build_reduction_list_info,
2755         analyze_reduction_list, gather_scalar_reductions): New.
2756         (loop_parallel_p): Build a reduction list containing only
2757         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2758         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2759         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2760         * tree-flow.h (gather_scalar_reductions): Declared.
2761
2762 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         PR middle-end/39308
2765         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2766         number_of_iterations_exit from a gcc_assert.
2767
2768 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2769             Jan Sjodin  <jan.sjodin@amd.com>
2770
2771         * output.h (graphite_out_file, graphite_in_file): Declared.
2772         * toplev.c (graphite_out_file, graphite_in_file): New.
2773         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2774         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2775         Don't call schedule_to_scattering.
2776         * common.opt (fgraphite-write, fgraphite-read): New.
2777         * graphite-poly.c: Include output.h.
2778         (print_scattering_function, print_scattering_functions,
2779         debug_scattering_function, debug_scattering_functions,
2780         graphite_write_transforms, graphite_read_transforms,
2781         graphite_generate_scattering_fns): New.
2782         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2783         Call graphite_generate_scattering_fns, graphite_write_transforms,
2784         graphite_read_transforms.
2785         (new_poly_bb): Initialize PBB_SCATTERING.
2786         (free_poly_bb): Free PBB_SCATTERING.
2787         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2788         * graphite-poly.h (struct poly_bb): Add field scattering.
2789         (PBB_SCATTERING): New.
2790         (print_scattering_function, print_scattering_functions,
2791         debug_scattering_function, debug_scattering_functions): Declared.
2792         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2793         GMP values, not integers!
2794         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2795         ppl_read_polyhedron_matrix): New.
2796         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2797         debug_ppl_polyhedron_matrix,
2798         ppl_read_polyhedron_matrix): Declared.
2799         * Makefile.in (graphite-poly.o): Depends on output.h.
2800
2801 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2802             Tobias Grosser  <grosser@fim.uni-passau.de>
2803
2804         Revert this change:
2805         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2806         scalar evolutions in the scop_entry->loop_father.
2807
2808 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2809             Tobias Grosser  <grosser@fim.uni-passau.de>
2810
2811         * graphite.h (ref_nb_loops): Remove declaration.
2812         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2813         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2814         debug_gbb): Moved to sese.h.
2815         * sese.h: As said.
2816
2817 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2818             Tobias Grosser  <grosser@fim.uni-passau.de>
2819
2820         * graphite-data-ref.[ch]: Disable.
2821
2822 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2823             Tobias Grosser  <grosser@fim.uni-passau.de>
2824
2825         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2826         scalar evolutions in the scop_entry->loop_father.
2827
2828 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2831         (graphite_cannot_represent_loop_niter): Renamed
2832         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2833         (limit_scops): build_sese_loop_nests does not return a bool.
2834         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2835         * sese.c (nb_reductions_in_loop): ... from here.
2836         (graphite_loop_normal_form): ... from here.
2837         (sese_record_loop): Does not fail, so does not return a bool.
2838         (build_sese_loop_nests): Same.
2839         * sese.h (build_sese_loop_nests): Update declaration.
2840         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2841         (build_graphite_loop_normal_form): New.
2842         (gloog): Call build_graphite_loop_normal_form.
2843         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2844         build_sese_loop_nests.
2845
2846         * testsuite/gcc.dg/graphite/id-1.c: New.
2847
2848 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2849             Tobias Grosser  <grosser@fim.uni-passau.de>
2850
2851         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2852         The SCoP detection fix is sufficient.
2853
2854 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         PR tree-optimization/39260
2857         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2858         the basic block contains a condition with a real type.
2859         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2860
2861         * gcc.dg/graphite/pr39260.c: New.
2862
2863 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2864
2865         * graphite-poly.c: Inlcude params.h.
2866         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2867         the size of a tile.
2868         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2869         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2870
2871 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2872             Tobias Grosser  <grosser@fim.uni-passau.de>
2873
2874         * graphite-scop-detection.c (dot_all_scops_1,
2875         dot_all_scops): Moved here.
2876         * graphite-scop-detection.h (dot_all_scops): Declared here.
2877         * graphite.c (graphite_initialize, graphite_finalize): New.
2878         (graphite_transform_loops): Cleaned up.
2879         * sese.c (debug_oldivs): Moved here.
2880         * graphite-poly.c (graphite_apply_transformations): Renamed
2881         apply_poly_transforms.
2882         (debug_loop_vec): Moved here.
2883         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2884         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2885         find_scop_parameters, build_scop_iteration_domain,
2886         add_conditions_to_constraints, build_scop_canonical_schedules,
2887         build_scop_data_accesses): Now static.
2888         (build_poly_scop, check_poly_representation): New.
2889
2890 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2891
2892         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2893         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2894         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2895         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2896         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2897         scan_tree_for_params, struct irp_data, dx_record_params,
2898         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2899         build_loop_iteration_domains, add_conditions_to_domain,
2900         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2901         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2902         build_sese_conditions, add_conditions_to_constraints,
2903         build_scop_iteration_domain, build_access_matrix_with_af,
2904         build_access_matrix,
2905         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2906
2907         * graphite-sese-to-poly.c: New.
2908         * graphite-sese-to-poly.h: New.
2909
2910         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2911
2912 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2913
2914         * graphite.c: Split graphite code generation to a new file.
2915         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2916         max_precision_type, clast_to_gcc_expression_red,
2917         clast_to_gcc_expression, gcc_type_for_clast_expr,
2918         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2919         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2920         graphite_create_new_guard, clast_get_body_of_loop,
2921         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2922         graphite_create_new_loop, build_iv_mapping, copy_renames,
2923         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2924         compute_cloog_iv_types, free_scattering, save_var_name,
2925         initialize_cloog_names, build_scop_context, build_cloog_prog,
2926         set_cloog_options, debug_clast_stmt, scop_to_clast,
2927         print_generated_program, debug_generated_program,
2928         gloog): Moved to graphite-clast-to-gimple.c.
2929
2930         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2931
2932         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2933         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2934         loop_iv_stack_pop, loop_iv_stack_get_iv,
2935         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2936         free_loop_iv_stack, loop_iv_stack_remove_constants,
2937         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2938         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2939         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2940         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2941         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2942         get_vdef_before_sese, sese_adjust_vphi,
2943         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2944         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2945         is_iv, expand_scalar_variables_ssa_name,
2946         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2947         expand_scalar_variables, rename_variables, remove_condition,
2948         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2949         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2950         default_liveout_before_guard, add_guard_exit_phis,
2951         insert_guard_phis, register_old_and_new_names,
2952         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2953         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2954         if_region_set_false_region, create_if_region_on_edge,
2955         move_sese_in_condition): Moved to sese.c.
2956
2957         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2958         if_region_exit, if_region_get_condition_block,
2959         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2960         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2961         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2962         ivtype_map_elt, new_ivtype_map_elt,
2963         recompute_all_dominators): Moved to sese.h.
2964
2965         * graphite-clast-to-gimple.c: New.
2966         * graphite-clast-to-gimple.h: New.
2967         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2968         * sese.c: Modified as said above.
2969         * sese.h: Same.
2970
2971 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2972
2973         * graphite.c: Split scop detection to a new file.
2974         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2975         move_sd_regions, loop_affine_expr, exclude_component_ref,
2976         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2977         graphite_cannot_represent_loop_niter, struct scopdet_info,
2978         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2979         find_single_entry_edge, find_single_exit_edge,
2980         create_single_entry_edge, sd_region_without_exit,
2981         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2982         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2983         Moved to graphite-scop-detection.c.
2984
2985         * graphite-scop-detection.c: New.
2986         * graphite-scop-detection.h: New.
2987         * Makefile.in: Add new rule for graphite-scop-detection.o.
2988
2989         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2990         tree-scalar-evolution.h.
2991         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2992         build_sese_loop_nests): Moved here from graphite.c.
2993         (param_index): Renamed parameter_index_in_region.
2994
2995 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2996             Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * gcc.dg/graphite/block-0.c: Expected to fail now.
2999         * gcc.dg/graphite/block-1.c: Same.
3000         * gcc.dg/graphite/block-5.c: Same.
3001         * gcc.dg/graphite/block-6.c: Same.
3002
3003 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3004             Sebastian Pop  <sebastian.pop@amd.com>
3005
3006         * graphite.h: Separate from graphite_bb_p the polyhedral
3007         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3008         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3009         graphite-data-ref.h.
3010         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3011         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3012         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3013         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3014         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3015         scop_nb_params): Moved to graphite-poly.h.
3016         * graphite-data-ref.c: Same.
3017         * graphite-data-ref.h: New.
3018         * graphite.c: Same.
3019         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3020         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3021         is_interchange_valid, graphite_trans_bb_block,
3022         graphite_trans_loop_block, scop_max_loop_depth,
3023         graphite_trans_scop_block, graphite_apply_transformations,
3024         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3025         graphite-poly.c.
3026         * graphite-poly.h: New.
3027         * graphite-poly.c: New.
3028         * Makefile.in (OBJS-common): Add graphite-poly.o.
3029         (graphite-poly.o): New rule.
3030         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3031         (DR_SCOP): Removed.
3032
3033 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3034             Tobias Grosser  <grosser@fim.uni-passau.de>
3035
3036         * graphite.c: Replace gb -> gbb.
3037         * graphite.h: Same.
3038         * graphite-data-ref.c: Same.
3039
3040 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3041             Tobias Grosser  <grosser@fim.uni-passau.de>
3042
3043         * Makefile.in (OBJS-commmon): Add sese.o.
3044         (sese.o): New.
3045         (graphite.o): Add sese.h.
3046         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3047         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3048         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3049         Move to sese.
3050         (block_before_scop): Add missing return.
3051         (new_scop, free_scop): Remove SESE data structures.
3052         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3053         find_scop_parameters, build_loop_iteration_domains,
3054         add_conditions_to_domain, register_scop_liveout_renames,
3055         copy_bb_and_scalar_dependences): Scop -> SESE.
3056
3057         (add_conditions_to_domain): SCoP -> SESE and remove check
3058         (scop_contains_non_iv_scalar_phi_nodes): New.
3059         (build_scop_conditions_1, build_scop_conditions): Remove check for
3060         non iv scalar phi nodes.
3061         (print_scop_statistics): New.
3062         (graphite_transform_loops): Cleanup.
3063
3064         * graphite.h: Move to sese & cleanup.
3065         * sese.c: New.
3066         * sese.h: New.
3067
3068 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3069             Tobias Grosser  <grosser@fim.uni-passau.de>
3070
3071         * graphite.c (build_scop_conditions_1): Conditions are only
3072         at the end of a basic block.
3073
3074 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3075             Tobias Grosser  <grosser@fim.uni-passau>
3076
3077         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3078         field.
3079         (GBB_ALPHA): Removed.
3080
3081 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3082             Tobias Grosser  <grosser@fim.uni-passau.de>
3083
3084         * graphite-data-ref.c (graphite_test_dependence): Don't use
3085         GBB_DYNAMIC_SCHEDULE.
3086         * graphite.c (new_graphite_bb): Same.
3087         (free_graphite_bb): Same.
3088         (build_scop_dynamic_schedules): Removed.
3089         (graphite_transform_loops): Don't call it.
3090         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3091         (GBB_DYNAMIC_SCHEDULE): Removed.
3092
3093 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3094             Tobias Grosser  <grosser@fim.uni-passau.de>
3095
3096         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3097         (print_graphite_bb): Same.
3098         (build_cloog_prog): Same.
3099
3100 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3101             Tobias Grosser  <grosser@fim.uni-passau.de>
3102
3103         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3104
3105 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3106             Tobias Grosser  <grosser@fim.uni-passau.de>
3107
3108         * graphite.c (build_scop_context): Don't use CloogMatrix.
3109         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3110         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3111
3112 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3113             Tobias Grosser  <grosser@fim.uni-passau.de>
3114
3115         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3116         liveout_renames, add_params fields...
3117         (struct sese): ... here.
3118         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3119         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3120
3121 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3122             Tobias Grosser  <grosser@fim.uni-passau.de>
3123
3124         * graphite.c (print_scop): Do not print the CLooG program.
3125         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3126         build_cloog_prog, gloog): Don't use SCOP_PROG.
3127         (find_transform): Renamed scop_to_clast.
3128         (print_generated_program, debug_generated_program): New.
3129         (graphite_transform_loops): Adapt to new interface.
3130         * graphite.h (struct scop): Remove program field.
3131         (SCOP_PROG): Removed.
3132         (print_generated_program, debug_generated_program): Declared.
3133
3134 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3135
3136         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3137         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3138         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3139         free_graphite_bb, build_scop_canonical_schedules,
3140         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3141         schedules are now represented using a ppl_Linear_Expression_t.
3142         * graphite.h (struct graphite_bb): Same.
3143         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3144         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3145
3146 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3147
3148         * graphite.c: Free local memory.
3149         * graphite-ppl.c: Same.
3150
3151 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3154         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3155         swap_constraint_variables, scale_constraint_variable): Removed.
3156         (graphite_trans_bb_strip_mine): Remove pong.
3157         * graphite-ppl.c: Include missing header files.
3158         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3159         * graphite-ppl.h (ppl_strip_loop): Declared.
3160         * Makefile.in (graphite-ppl.o): Adjust dependences.
3161
3162 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3163
3164         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3165         (build_scop_iteration_domain): Same.
3166
3167 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3168
3169         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3170         ping pong.
3171         (add_value_to_dim, scan_tree_for_params_right_scev,
3172         scan_tree_for_params_int): New.
3173         * graphite-ppl.c (oppose_constraint): New.
3174         (insert_constraint_into_matrix): Implement missing cases.
3175         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3176
3177 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3178
3179         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3180         use ppl_move_dimension.
3181
3182 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3185         * graphite.c: Same.
3186         * graphite.h: Same.
3187         * graphite-ppl.c: Same.
3188         * graphite-ppl.h: Same.
3189
3190 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         Revert last 3 commits.
3193
3194 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3195
3196         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3197         ping pong.
3198         (add_value_to_dim, scan_tree_for_params_right_scev,
3199         scan_tree_for_params_int): New.
3200         * graphite-ppl.c (oppose_constraint): New.
3201         (insert_constraint_into_matrix): Implement missing cases.
3202         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3203
3204 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3207
3208 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3209             Tobias Grosser  <grosser@fim.uni-passau.de>
3210
3211         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3212         use ppl_move_dimension.
3213         * graphite-ppl.c (ppl_move_dimension): New.
3214         * graphite-ppl.h (ppl_move_dimension): Declared.
3215
3216 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3217
3218         * graphite.c: Do not include cloog/cloog.h.
3219         (print_graphite_bb): Remove ping pong, call PPL print function.
3220
3221 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3222
3223         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3224         (graphite.o): Add dependence on graphite-ppl.h.
3225         (graphite-ppl.o): New.
3226         (graphite-data-ref.c): Ping pong between PPL data structures
3227         and matrices.
3228         * graphite-ppl.c: New.
3229         * graphite-ppl.h: New.
3230         * graphite.c: Include graphite-ppl.h.
3231         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3232         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3233         Ping pong between PPL data structures and matrices.
3234         (new_graphite_bb): Create a PPL constraint system.
3235         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3236         (build_loop_iteration_domains): Use PPL functions.
3237         * graphite.h: Include graphite-ppl.h.  Fix comments.
3238         (graphite_bb): Use a ppl_Constraint_System_t instead of
3239         CloogMatrix for representing the domain.
3240         (scop): Remove static_schedule.
3241         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3242
3243 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3244
3245         * graphite.c: Fix some comments.
3246
3247 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3248
3249         PR middle-end/38953
3250         * graphite.c (if_region_set_false_region): After moving a region
3251         in the false branch of a condition, remove the empty dummy
3252         basic block.
3253         (gloog): Remove wrong fix for PR38953.
3254
3255 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3256
3257         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3258         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3259         register_bb_in_sese, new_sese, free_sese): Moved.
3260         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3261         outermost_loop_in_scop, build_scop_iteration_domain,
3262         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3263         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3264         Use loop_in_sese_p instead of loop_in_scop_p.
3265         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3266         (free_scop): Do not free SCOP_BBS_B.
3267         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3268         ref_nb_loops): Moved here...
3269         * graphite.h (ref_nb_loops): ... from here.
3270         (struct scop): Remove bbs_b bitmap.
3271         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3272         * testsuite/gcc.dg/graphite/scop-19.c: New
3273
3274 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3275
3276         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3277         detection.
3278
3279 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3280
3281         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3282         eq_loop_to_cloog_loop): Remove.
3283         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3284         * graphite.h (struct scop): Remove loop2cloog_loop.
3285         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3286
3287 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3288
3289         * opts.c (decode_options): Only add graphite options to O2
3290         if we compile with graphite enabled.
3291
3292 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * Merge from mainline (r143163:143684).
3295
3296 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3297
3298         * graphite.c (debug_value): Removed.
3299         * graphite.h (debug_value): Removed.
3300
3301 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3304         after graphite: pass_copy_prop does not maintain a proper loop closed
3305         SSA form.  pass_copy_prop should be fixed.
3306
3307 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3308
3309         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3310
3311 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3314         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3315         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3316         changed the CFG.
3317
3318 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * graphite.c (gloog): Return true when code gen succeeded.
3321         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3322         the code of the function did not changed.  After cleanup_tree_cfg
3323         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3324         form.
3325
3326 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3327
3328         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3329         gimple_call_lhs is NULL.
3330
3331 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3332             Tobias Grosser  <tobi.grosser@amd.com>
3333
3334         * graphite.c (graphite_trans_scop_block): Do not block single
3335         nested loops.
3336
3337 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3338             Tobias Grosser  <tobi.grosser@amd.com>
3339
3340         * graphite.c (build_scop_canonical_schedules): Start schedules at
3341         zero.
3342
3343 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3344             Tobias Grosser  <tobi.grosser@amd.com>
3345
3346         * graphite.c (compare_prefix_loops): New.
3347         (build_scop_canonical_schedules): Rewritten.
3348         (graphite_transform_loops): Move build_scop_canonical_schedules
3349         after build_scop_iteration_domain.
3350
3351 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3352             Tobias Grosser  <tobi.grosser@amd.com>
3353
3354         * graphite.c (add_conditions_to_domain): Add the loops to
3355         the dimension of the iteration domain.  Do copy the domain
3356         only when it exists.
3357         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3358         (add_conditions_to_constraints): New.
3359         (can_generate_code_stmt, can_generate_code): Removed.
3360         (gloog): Do not call can_generate_code.
3361         (graphite_transform_loops): Call add_conditions_to_constraints
3362         after building the iteration domain.
3363
3364 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3365             Tobias Grosser  <tobi.grosser@amd.com>
3366             Jan Sjodin  <jan.sjodin@amd.com>
3367
3368         * graphite.c (scan_tree_for_params): On substractions negate
3369         all the coefficients of the term.
3370         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3371         of more than two operands.
3372         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3373         (get_vdef_before_scop): Handle also the case of default definitions.
3374
3375 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3376
3377         PR middle-end/38431
3378         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3379         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3380         (gloog): Do not call cleanup_tree_cfg.
3381         (graphite_transform_loops): Call cleanup_tree_cfg after all
3382         scops have been code generated.
3383
3384 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         * passes.c (init_optimization_passes): Schedule after
3387         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3388
3389 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3390
3391         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3392         Fix comment.
3393         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3394         Set the type of an expression to the type of its assign statement.
3395         (expand_scalar_variables_expr):  Do not pass loop_p.
3396         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3397         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3398         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3399
3400 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3401
3402         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3403         an expression to the gimple_expr_type of its assign statement.
3404         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3405         or tcc_declaration.
3406
3407 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3408
3409         PR tree-optimization/38786
3410         * testsuite/gcc.dg/graphite/pr38786.c: New.
3411         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3412         the SSA_NAME case of expand_scalar_variables_expr.
3413         (expand_scalar_variables_expr): Also gather the scalar computation
3414         used to index the memory access.
3415         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3416         the gimple_stmt_iterator where it inserts new code.
3417
3418 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3419
3420         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3421
3422 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3423
3424         * opts.c (decode_options): Enable flag_graphite_identity and
3425         flag_loop_block in -O2 and above.
3426
3427 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3428
3429         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3430         Fix merge problem: replace with the file from trunk.
3431
3432 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3433
3434         * Merge from mainline (r141727:143163).
3435
3436 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3437             Jan Sjodin  <jan.sjodin@amd.com>
3438
3439         PR tree-optimization/38559
3440         * testsuite/gcc.dg/graphite/pr38559.c: New.
3441
3442         * graphite.c (debug_value, copy_constraint,
3443         swap_constraint_variables, scale_constraint_variable, ): New.
3444         (get_lower_bound, get_upper_bound): Removed.
3445         (graphite_trans_bb_strip_mine): Clean up this code that works
3446         only for constant number of iterations.  Fully copy upper and
3447         lower bound constraints, not only the constant part of them.
3448         * graphite.h (debug_value): Declared.
3449
3450 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3451
3452         PR tree-optimization/38492
3453         PR tree-optimization/38498
3454         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3455         * tree-chrec.h (scev_is_linear_expression): Declared.
3456         * graphite.c (graphite_cannot_represent_loop_niter): New.
3457         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3458         (graphite_loop_normal_form): Use gcc_assert.
3459         (scan_tree_for_params): Use CASE_CONVERT.
3460         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3461         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3462         Use gcc_assert.  Discard scops that contain unhandled cases.
3463         (build_scop_conditions): Return a boolean status for unhandled cases.
3464         (strip_mine_profitable_p): Print the loop number, not its depth.
3465         (is_interchange_valid): Pass the depth of the loop nest, don't
3466         recompute it wrongly.
3467         (graphite_trans_bb_block): Same.
3468         (graphite_trans_bb_block): Print tentative of loop blocking.
3469         (graphite_trans_scop_block): Do not print that the loop has been
3470         blocked.
3471         (graphite_transform_loops): Do not handle scops that contain condition
3472         scalar phi nodes.
3473
3474         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3475         in trunk.
3476         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3477         * testsuite/gcc.dg/graphite/block-1.c: Same.
3478         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3479         blocking.
3480         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3481         * testsuite/gcc.dg/graphite/block-3.c: New.
3482         * testsuite/gcc.dg/graphite/pr38498.c: New.
3483
3484 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3485
3486         PR tree-optimization/38510
3487         * gcc.dg/graphite/pr38510.c: New.
3488         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3489           (translate_clast): Call recompute_all_dominators before
3490           graphite_verify.
3491           (gloog): Call recompute_all_dominators before graphite_verify.
3492
3493 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3494
3495         PR tree-optimization/38492
3496         * graphite.c (rename_map_elt, debug_rename_elt,
3497         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3498         rename_map_elt_info, eq_rename_map_elts,
3499         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3500         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3501         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3502         (sese_build_livein_liveouts): New.
3503         (new_sese, free_sese): New.
3504         (new_scop): Call new_sese.
3505         (free_scop): Call free_sese.
3506         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3507         (register_old_new_names): Renamed register_old_and_new_names.
3508         (register_scop_liveout_renames, add_loop_exit_phis,
3509         insert_loop_close_phis, struct igp,
3510         default_liveout_before_guard, add_guard_exit_phis,
3511         insert_guard_phis, copy_renames): New.
3512         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3513         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3514         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3515         (scop_adjust_phis_for_liveouts): New.
3516         (gloog): Call scop_adjust_phis_for_liveouts.
3517
3518         * graphite.h (struct sese): Documented.  Added fields liveout,
3519         num_ver and livein.
3520         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3521         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3522         (struct scop): Added field liveout_renames.
3523         (SCOP_LIVEOUT_RENAMES): New.
3524
3525 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3526
3527         PR tree-optimization/38409
3528         * gcc.dg/graphite/pr38409.c: New.
3529         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3530
3531 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3532
3533         * graphite.c (gcc_type_for_cloog_iv): By default return
3534         integer_type_node.
3535         (graphite_create_new_loop): Don't fold_convert the already
3536         fold_convert-ed expression.
3537
3538 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3539
3540         PR tree-optimization/38446
3541         * gcc.dg/graphite/pr38446.c: New.
3542         * graphite.c (register_bb_in_sese): New.
3543         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3544         looking at the bbs in the region.
3545         * graphite.h (sese): Add region_basic_blocks pointer set to
3546         structure and initialize at the time of defining new scop.
3547
3548 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3549
3550         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3551         (find_params_in_bb): Do not free data refs.
3552         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3553
3554 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3555
3556         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3557         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3558         * testsuite/gcc.dg/graphite/block-5.c: New.
3559         * testsuite/gcc.dg/graphite/block-6.c: New.
3560         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3561         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3562         * testsuite/gcc.dg/graphite/block-2.c: Same.
3563
3564         * graphite.c (struct ivtype_map_elt): New.
3565         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3566         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3567         gcc_type_for_cloog_iv): New.
3568         (loop_iv_stack_patch_for_consts): Use the type of the induction
3569         variable from the original loop, except for the automatically
3570         generated loops, i.e., in the case of a strip-mined loop, in
3571         which case there is no original loop: in that case just use
3572         integer_type_node.
3573         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3574         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3575         (clast_name_to_gcc): Accept params to be NULL.
3576         (clast_to_gcc_expression): Take an extra parameter for the type.
3577         Convert to that type all the expressions built by this function.
3578         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3579         (graphite_translate_clast_equation): Compute the type of the
3580         clast_equation before translating its LHS and RHS.
3581         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3582         (graphite_create_new_loop): Compute the type of the induction
3583         variable before translating the lower and upper bounds and before
3584         creating the induction variable.
3585         (rename_variables_from_edge, rename_phis_end_scop): New.
3586         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3587         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3588         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3589         compute_cloog_iv_types): New.
3590         (gloog): Call compute_cloog_iv_types before starting the
3591         translation of the clast.
3592
3593         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3594         (GBB_CLOOG_IV_TYPES): New.
3595         (debug_ivtype_map): Declared.
3596         (oldiv_for_loop): New.
3597
3598 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3599
3600         PR middle-end/38459
3601         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3602         (param_index): Assert if parameter is not know after parameter
3603         detection.
3604         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3605         (find_scop_parameters): Mark, that we have finished parameter
3606         detection.
3607         (graphite_transform_loops): Move condition detection before parameter
3608         detection.
3609         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3610         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3611
3612 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3613
3614         * graphite.c (graphite_transform_loops): Always call find_transform ()
3615         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3616         generate code.
3617
3618 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3619
3620         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3621         (print_scop): Ditto.
3622
3623 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3624
3625         PR middle-end/38084
3626         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3627         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3628         regions more than once.
3629
3630 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3631
3632         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3633         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3634         when not needed.
3635
3636 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3637
3638         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3639         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3640         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3641         (max_precision_type): New.
3642         (value_clast): Removed.
3643         (clast_to_gcc_expression): Be more careful to types of expressions.
3644         Use max_precision_type and update use of gmp_cst_to_tree.
3645         (graphite_translate_clast_equation): Use max_precision_type.
3646         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3647         use the type of the condition.
3648         (graphite_create_new_loop): Do not use integer_type_node, use the
3649         max_precision_type of lb and ub.
3650
3651 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3652
3653         * graphite.c (build_scops_1): Initialize open_scop.exit
3654         and sinfo.last.
3655
3656 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3657
3658         * testsuite/gcc.dg/graphite/pr38084.c: New.
3659         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3660         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3661         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3662         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3663         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3664
3665 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3666             Jan Sjodin  <jan.sjodin@amd.com>
3667             Harsha Jagasia  <harsha.jagasia@amd.com>
3668
3669         PR middle-end/37852
3670         PR middle-end/37883
3671         PR middle-end/37928
3672         PR middle-end/37980
3673         PR middle-end/38038
3674         PR middle-end/38039
3675         PR middle-end/38073
3676         PR middle-end/38083
3677         PR middle-end/38125
3678
3679         * testsuite/gcc.dg/graphite/pr38073.c: New.
3680         * testsuite/gcc.dg/graphite/pr37928.c: New.
3681         * testsuite/gcc.dg/graphite/pr37883.c: New.
3682         * testsuite/gcc.dg/graphite/pr38125.c: New.
3683         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3684         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3685         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3686
3687         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3688         the number of detected scops.  Copy exact same test for loop
3689         blocking...
3690         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3691         loops to be blocked as reductions are not handled.
3692         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3693
3694         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3695         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3696         ...here.
3697         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3698         * Makefile.in (graphite.o): Depend on value-prof.h.
3699         (graphite.o-warn): Removed -Wno-error.
3700         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3701         to be a NULL pointer.  Call update_stmt.  Return the newly created
3702         cannonical induction variable.
3703
3704         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3705
3706         * graphite.c: Reimplement the code generation from graphite to gimple.
3707         Include value-prof.h.
3708         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3709         (get_old_iv_from_ssa_name): Removed.
3710         (graphite_stmt_p): New.
3711         (new_graphite_bb): Test for useful statements before building a
3712         graphite statement for the basic block.
3713         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3714         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3715         reason.
3716         (recompute_all_dominators, graphite_verify,
3717         nb_reductions_in_loop, graphite_loop_normal_form): New.
3718         (scop_record_loop): Call graphite_loop_normal_form.
3719         (build_scop_loop_nests): Iterate over all the blocks of the
3720         function instead of relying on the incomplete information from
3721         SCOP_BBS.  Return the success of the operation.
3722         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3723         (add_bb_domains): Removed.
3724         (build_loop_iteration_domains): Don't call add_bb_domains.
3725         Add the iteration domain only to the basic blocks that have been
3726         translated to graphite.
3727         (build_scop_conditions_1): Add constraints only if the basic
3728         block have been translated to graphite.
3729         (build_scop_data_accesses): Completely disabled until data
3730         dependence is correctly implemented.
3731         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3732         (remove_all_edges_1, remove_all_edges): Removed.
3733         (get_new_name_from_old_name): New.
3734         (graphite_rename_variables_in_stmt): Renamed
3735         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3736         Use replace_exp and update_stmt.
3737         (is_old_iv): Renamed is_iv.
3738         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3739         Use replace_exp and update_stmt.
3740         (expand_scalar_variables_expr): Same.  Use the map to get the
3741         new names for the renaming of induction variables and for the
3742         renaming of variables after a basic block has been copied.
3743         (expand_scalar_variables): Same.
3744         (graphite_rename_variables): Renamed rename_variables.
3745         (move_phi_nodes): Removed.
3746         (get_false_edge_from_guard_bb): New.
3747         (build_iv_mapping): Do not insert the induction variable of a
3748         loop in the renaming iv map if the basic block does not belong
3749         to that loop.
3750         (register_old_new_names, graphite_copy_stmts_from_block,
3751         copy_bb_and_scalar_dependences): New.
3752         (translate_clast): Heavily reimplemented: copy basic blocks,
3753         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3754         At each translation step call graphite_verify ensuring the
3755         consistency of the SSA, loops and dominators information.
3756         (collect_virtual_phis, find_vdef_for_var_in_bb,
3757         find_vdef_for_var_1, find_vdef_for_var,
3758         patch_phis_for_virtual_defs): Removed huge hack.
3759         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3760         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3761         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3762         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3763         if_region_get_condition_block, if_region_set_false_region,
3764         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3765         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3766         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3767         rewrite_into_sese_closed_ssa): New.
3768         (gloog): Remove dead code.  Early return if code cannot be
3769         generated.  Call cleanup_tree_cfg once the scop has been code
3770         generated.
3771         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3772         block loops with less than two loops.
3773         (graphite_apply_transformations): Remove the call to
3774         scop_remove_ignoreable_gbbs.
3775         (limit_scops): When build_scop_loop_nests fails, continue on
3776         the next scop.  Fix open_scop.entry.
3777         (graphite_transform_loops): Call recompute_all_dominators: force the
3778         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3779         Call initialize_original_copy_tables and free_original_copy_tables
3780         to be able to copy basic blocks during code generation.
3781         When build_scop_loop_nests fails, continue on next scop.
3782         (value_clast): New union.
3783         (clast_to_gcc_expression): Fix type cast warning.
3784
3785 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3786
3787         * Merge from mainline (r140838:141727).
3788
3789 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3790
3791         PR middle-end/37833
3792
3793         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3794
3795 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3796
3797         PR middle-end/37943
3798
3799         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3800         exits and conditions.
3801         * testsuite/gcc.dg/graphite/pr37943.c: New.
3802
3803 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3804
3805         PR middle-end/37886
3806         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3807
3808 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3809
3810         * doc/invoke.texi: Fix spaces.
3811
3812 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         PR tree-optimization/37891
3815         Reverted last commit.
3816         * graphite.c (create_single_entry_edge): Set
3817         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3818
3819 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3820             Mitul Thakkar  <mitul.thakkar@amd.com>
3821
3822         * graphite.c (create_single_entry_edge): Set
3823         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3824
3825 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3826
3827         * doc/invoke.texi: Add -fgraphite-identity.
3828         * graphite.c (graphite_apply_transformations): Check for
3829         -fgraphite-identity.
3830         * toplev.c (process_options): Add flag_graphite_identity.
3831         * tree-ssa-loop.c: Add flag_graphite_identity.
3832
3833 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         Undo changes from 2008-10-02:
3836         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3837         operand type when copying the operand to a variable of different type.
3838         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3839         with the IV name after increment.
3840
3841 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3842             Harsha Jagasia  <harsha.jagasia@amd.com>
3843
3844         PR tree-optimization/37828
3845         * testsuite/gcc.dg/graphite/pr37828.c: New.
3846         * graphite.c (graphite_trans_loop_block): Do not loop block
3847         single nested loops.
3848
3849 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3850             Sebastian Pop  <sebastian.pop@amd.com>
3851
3852         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3853         rename_map_elt_info, eq_rename_map_elts): New.
3854         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3855         (expand_scalar_variables_expr): Change parameters.
3856         (expand_scalar_variables_stmt): Same.
3857         (expand_scalar_variables): Same.
3858         (graphite_rename_ivs): Rename graphite_rename_variables.
3859         (build_iv_mapping): New.
3860         (translate_clast): Call build_iv_mapping.
3861         * graphite.h (gbb_p): New name.
3862
3863 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3864
3865         PR tree-optimization/37684
3866         * gcc.dg/graphite/pr37684.c: New.
3867         * graphite.c (exclude_component_ref): New.
3868         (is_simple_operand): Call exclude_component_ref.
3869
3870 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3871             Harsha Jagasia  <harsha.jagasia@amd.com>
3872
3873         PR tree-optimization/37485
3874         * gcc.dg/graphite/block-2.c: New
3875         * graphite.c (gmp_cst_to_tree): Moved.
3876         (iv_stack_entry_is_constant): New.
3877         (iv_stack_entry_is_iv): New.
3878         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3879         (loop_iv_stack_insert_constant): New.
3880         (loop_iv_stack_pop): Use new datatpype.
3881         (loop_iv_stack_get_iv): Same.
3882         (loop_iv_stack_get_iv_from_name): Same.
3883         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3884         (loop_iv_stack_patch_for_consts): New.
3885         (loop_iv_stack_remove_constants): New.
3886         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3887         (translate_clast): Call loop_iv_stack_patch_for_consts and
3888         loop_iv_stack_remove_constants.
3889         (gloog): Use new datatype.  Redirect construction edge to end
3890         block to avoid accidental deletion.
3891         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3892         iv stack entry.
3893         (union iv_stack_entry_data): New.  Data in iv stack entry.
3894         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3895
3896 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3897
3898         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3899         operand type when copying the operand to a variable of different type.
3900
3901 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3902
3903         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3904         with the IV name after increment.
3905
3906 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3907
3908         * Merge from mainline (r140164:140838).
3909
3910 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3911
3912         * graphite-data-ref.c: New.
3913         * graphite.c (print_scop): Also dump the dependence graph.
3914         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3915         (new_scop): Initialize SCOP_DEP_GRAPH.
3916         (build_scop_dynamic_schedules): New.
3917         (build_access_matrix_with_af): Fixed column numbering.
3918         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3919         * graphite.h: Add ifndef/define guards against multiple inclusion.
3920         (struct scop): Add dep_graph field.
3921         (SCOP_DEP_GRAPH): Defined.
3922         (ref_nb_loops): Fixed and moved to other position.
3923         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3924         (nb_loops_around_loop_in_scop): New.
3925         (graphite_dump_dependence_graph): Declared.
3926         (graphite_build_rdg_all_levels): Declared.
3927         (graphite_test_dependence): Declared.
3928         * Makefile.in (graphite-data-ref.o): New target.
3929
3930 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3931
3932         * Merge from mainline (139870:140164).
3933
3934 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3935
3936         * Merge from mainline (138275:139870).
3937         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3938         the commits from trunk broke the niter detection.
3939
3940 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3941
3942         * graphite.c: Add more documentation.  Fix formatting.
3943         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3944         loop_iv_stack_debug): Moved...
3945         (schedule_to_scattering): Move before use.
3946         (dot_all_scops): Include in "#if 0" the code for system
3947         call dotty.
3948
3949         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3950         loop_iv_stack_debug): ...here.
3951
3952 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3953
3954         * tree-phinodes.c (make_phi_node): Extern.
3955         (add_phi_node_to_bb): New.
3956         (create_phi_node): Call add_phi_node_to_bb.
3957         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3958         (remove_statement): Handle case where stored phi was updated
3959         and is no longer the same.
3960         * graphite.c (is_parameter): New.
3961         (is_old_iv): New.
3962         (expand_scalar_variables_expr): New.
3963         (expand_scalar_variables_stmt): New.
3964         (expand_scalar_variables): New.
3965         (move_phi_nodes): Create new phi instead of moving old one.
3966         (translate_clast): Call expand_scalar_variables.
3967         (find_vdef_for_var_in_bb): Also scan regular definitions.
3968         (skip_phi_defs): New.
3969         (collect_scop_exit_phi_args): New.
3970         (patch_scop_exit_phi_args): New.
3971         (gloog): Patch phis after scop.
3972         * tree-flow.h: (add_phi_node_to_bb): Declared.
3973         (make_phi_node): Declared.
3974
3975 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3976
3977         * graphite.c (end_scop): Split the entry of the scop when it
3978         is the header of the loop in which the scop is ending.
3979         (build_scops_1, limit_scops): Update uses of end_scop.
3980
3981 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3984         SCOP_ENTRY or SCOP_EXIT.
3985
3986 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3987
3988         * graphite.c (get_construction_edge): Removed.
3989         (gloog): Construction edge is the scop entry edge.
3990
3991 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3992
3993         * graphite.c (can_generate_for_scop): Removed.
3994         (gloog): Do not call it.
3995
3996 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3997
3998         * graphite.c (new_scop): Entry of a scop is an edge.
3999         Initialize SESE region.
4000         (free_scop): Free SESE region.
4001         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4002         (split_difficult_bb): New, split from end_scop.
4003         (end_scop): Exit of a scop is an edge.
4004         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4005         not automatically updated and thus is always wrong.
4006         * graphite.h (struct sese): New.
4007         (SESE_ENTRY): New.
4008         (SESE_EXIT): New.
4009         (struct scop): New field for a SESE region.  Remove entry, exit.
4010         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4011         semantics as before.  Moved comment around.
4012
4013 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4014             Sebastian Pop  <sebastian.pop@amd.com>
4015
4016         * graphite.c (graphite_transform_loops): Always enable gloog
4017         and find_transform when ENABLE_CHECKING.
4018
4019 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4020
4021         * graphite.c (graphite_transform_loops): Move pretty printer
4022         of SCOPs before doing any transform.  Remove call to print_scops
4023         and dot_all_scops_1.
4024
4025 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4026
4027         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4028         (print_graphite_bb): Same.
4029
4030 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4031
4032         * graphite.c (dot_all_scops_1): Cleanup.
4033         (move_scops): Fix comment.
4034
4035 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4036
4037         * graphite.c (build_scop_bbs): Revert commit 139355:
4038
4039         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4040                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4041
4042                 * graphite.c (build_scop_bbs): Factor up code.
4043
4044 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4045
4046         * graphite.c (gloog): Update dominator info.
4047
4048 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4049
4050         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4051
4052 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4053
4054         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4055         initialization.
4056         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4057         (translate_clast): Correct formatting.
4058         * graphite.h (struct num_map): Removed.
4059         (struct graphite_bb): Remove num_map field.
4060         (GBB_INDEX_TO_NUM_MAP): Removed.
4061
4062 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4063
4064         * graphite.c (build_access_matrix_with_af): Fix comments.
4065         (build_scop_data_accesses): Same.
4066
4067 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4068
4069         * graphite.c (build_scop_data_accesses): Don't construct
4070         access matrices.  Add a FIXME and an assert condition that
4071         should pass when the access matrices will be needed.
4072
4073 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4074
4075         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4076         really_constant_p.
4077         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4078         Moved close by free_graphite_bb.
4079         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4080         (new_scop): Move close by free_scop.
4081         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4082
4083 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4084
4085         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4086         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4087         instead of recursive call.
4088         (graphite_translate_clast_equation): New.
4089         (graphite_create_guard_cond_expr): New.
4090         (graphite_create_new_guard): New.
4091         (get_stack_index_from_iv): Removed.
4092         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4093         (get_true_edge_from_guard_bb): New.
4094         (translate_clast): Handle stmt_guard in clast.
4095         (get_construction_edge): Allow construction edge detection for
4096         a scope entry with multiple predecessors if one predecessor is
4097         the immediate dominator of scope entry.
4098         (can_generate_code_stmt): Enable code generation for clast_guard.
4099         (gloog): Use correct context loop.  Removed check for post dominators.
4100         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4101
4102 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4103
4104         * graphite.c (remove_dead_loops): Document better which
4105         loops are removed.
4106
4107 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4108
4109         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4110         and PPLINC.
4111         (graphite.o): Also depends on pointer-set.h.
4112
4113 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4114
4115         * graphite.c (scop_record_loop): Fix compile warning.
4116
4117 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4118             Sebastian Pop  <sebastian.pop@amd.com>
4119
4120         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4121
4122 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4123
4124         * graphite.c (build_graphite_bb): Initialize bb->aux to
4125         point to the graphite_bb_p.
4126         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4127         content of bb->aux.
4128         (add_bb_domains): Does not use the scop parameter.
4129         (graphite_transform_loops): Clean bb->aux at the end.
4130
4131 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4132             Sebastian Pop  <sebastian.pop@amd.com>
4133
4134         * testsuite/lib/target-supports.exp
4135         (check_effective_target_fgraphite): New.
4136
4137         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4138         check_effective_target_fgraphite returns false.
4139         Set dg-do-what-default to compile.
4140         (scan-graphite-dump-times): Removed.
4141         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4142
4143         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4144         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4145         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4146         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4147         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4148         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4149         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4150         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4151         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4152         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4153         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4154         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4155         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4156         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4157         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4158         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4159         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4160         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4161         * testsuite/gcc.dg/graphite/block-0.c: Same.
4162         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4163         * testsuite/gcc.dg/graphite/block-1.c: Same.
4164         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4165         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4166         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4167         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4168         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4169
4170 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4171
4172         * graphite.c: Fix some XXX comments.
4173         (build_scop_dynamic_schedules): Removed.
4174
4175 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4176
4177         * graphite.h (scop_max_loop_depth): Moved...
4178         * graphite.c (scop_max_loop_depth): ...here.
4179         (remove_all_edges_1): New.
4180         (remove_all_edges): Factored code.
4181         (remove_cond_exprs): Check only the last statement for
4182         a GIMPLE_COND expression.
4183
4184 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4185
4186         * graphite.c (scan_tree_for_params): Early return when the
4187         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4188         (find_scop_parameters): Factor out code.
4189         (graphite_trans_bb_strip_mine): Remove dead code.
4190
4191 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4192
4193         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4194         graphite_trans_bb_move_loop): Factor asserts.
4195         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4196         Do not call calculate_dominance_info and estimate_bb_frequencies.
4197
4198 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4199
4200         * graphite.c (create_loops_mapping, free_loops_mapping,
4201         create_loops_mapping_num, debug_loop_mapping_1,
4202         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4203         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4204         graphite_loops_mapping_add_child_num,
4205         graphite_loops_mapping_insert_child,
4206         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4207         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4208         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4209         create_num_from_index, get_num_from_index,
4210         swap_loop_mapped_depth): Removed.
4211         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4212         (free_scop): Do not call free_loops_mapping.
4213         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4214         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4215         get_loop_mapped_depth.
4216         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4217         (graphite_trans_bb_strip_mine): Same.
4218         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4219         (struct scop): Remove field loops_mapping.
4220
4221 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4222             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4223
4224         * graphite.c (scop_record_loop): Factor out one level of the
4225         condition by early return.
4226         (build_scop_loop_nests): Format following FSF coding style.
4227         (build_scop_dynamic_schedules): Factor out code.
4228         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4229
4230 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4231             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4232
4233         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4234         assignments that are not handled as simple operands for now.
4235
4236 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4237             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4238
4239         * graphite.c (build_scop_bbs): Factor up code.
4240
4241 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4242             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4243
4244         * graphite.c (stmt_simple_for_scop_p): Factor code out
4245         of the loop.
4246         (enum gbb_type): New.  Group all the GBB_* types under it.
4247         (is_loop_exit): Moved...
4248         (end_scop): Enable BB spliting.
4249         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4250         * cfgloop.h (is_loop_exit): Declared.
4251
4252 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4253
4254         * doc/invoke.texi: Remove strides from examples containing
4255         DO loops when the strides are equal to 1.
4256
4257 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4258             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4259
4260         * graphite.c (graphite_trans_scop_block): Or the result with
4261         the result from graphite_trans_loop_block.
4262         * testsuite/gcc.dg/graphite/block-1.c: New.
4263         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4264         * testsuite/gfortran.dg/graphite/block-2.f: New.
4265
4266 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4267
4268         * graphite.c (graphite_transform_loops): Call cloog_initialize
4269         and cloog_finalize.
4270
4271 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4272
4273         * tree-data-ref.c) (stmt_simple_memref_p): New.
4274         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4275         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4276         (is_simple_operand): Call stmt_simple_memref_p.
4277
4278         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4279         using pointer arithmetic, as this is optimized by PRE and
4280         makes the code too difficult to analyze.
4281
4282         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4283
4284 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4285
4286         * gdbinit.in (pgg): New.
4287
4288 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4289
4290         * graphite.c (graphite_trans_loop_block): Fix warning.
4291
4292 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4293
4294         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4295
4296 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4297
4298         * graphite.c (graphite_trans_bb_block): Remove check for
4299         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4300         Check if loop blocking is profitable for every loop, before applying
4301         the changes.
4302         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4303         if flag_loop_block is set.
4304
4305 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4306
4307         * graphite.c: Add some more documentation for the loop
4308         mapping.
4309
4310 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4311
4312         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4313         * graphite.c: Format on less than 80 columns.
4314         * graphite.h: Same.
4315
4316 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4319
4320 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4321
4322         * doc/invoke.texi (floop-block, floop-strip-mine,
4323         floop-interchange): Update documentation with examples.
4324
4325 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4326
4327         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4328         add_referenced_var.
4329         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4330
4331 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4332
4333         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4334         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4335         * tree-scalar-evolution.c: Revert useless changes.
4336         * tree-phinodes.c: Same.
4337         * cfghooks.c: Same.
4338         * vec.h: Same.
4339         * tree-vectorizer.h: Same.
4340         * tree-flow.h: Same.
4341         * tree-cfg.c: Same.
4342         * common.opt (fgraphite): Update documentation.
4343
4344 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4345
4346         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4347         -floop-interchange): Add more text for explaining what each of these
4348         flags is doing.
4349         * tree-into-ssa.c (gimple_vec): Moved to...
4350         * graphite.c: Include gimple.h.
4351         (gimple_vec): Moved to...
4352         (del_loop_to_cloog_loop): Removed.
4353         (loop_affine_expr): Do not call create_data_ref when the
4354         operand is a constant.
4355         (new_scop): Use free instead of del_loop_to_cloog_loop.
4356         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4357         * gimple.h (gimple_vec): ... here.
4358
4359 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4360
4361         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4362         latch executions.
4363         (build_loop_iteration_domains): Fail, if latch executions unknown.
4364
4365 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4366
4367         * graphite.c (add_conditions_to_domain): New.
4368         (build_scop_conditions_1): Call add_conditions_to_domain.
4369         (set_cloog_options): Allow to disable optimizations.
4370
4371 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4372
4373         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4374         Do not use walk_dominator_tree.
4375         (find_scop_parameters): Do not use walk_dominator_tree.
4376
4377 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4378
4379         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4380         (idx_record_params): Adapt.
4381         * graphite.h (scop_gimple_loop_depth): New.
4382
4383 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4384
4385         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4386         (scan_tree_for_params): Remove value_init.
4387         (build_scop_context): Remove value_init.
4388         (build_loop_iteration_domains): Remove value_init.
4389         (schedule_to_scattering): Remove value_init.
4390         (graphite_trans_bb_strip_mine): Remove value_init.
4391
4392 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4393
4394         * gcc/graphite.c (limit_scops): New.
4395         (graphite_transform_loops): Add limit SCoPs.
4396         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4397         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4398         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4399         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4400         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4401         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4402         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4403         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4404         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4405         Change loop numbers.
4406         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4407         Change loop numbers.
4408         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4409         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4410         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4411         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4412         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4413         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4414         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4415         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4416         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4417         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4418
4419 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4420
4421         * graphite.c (graphite_transform_loops): Call always find_transform.
4422
4423 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4424
4425         * graphite.c (free_loops_mapping): New.
4426         (stmt_simple_for_scop_p): Fix typo.
4427         (stmt_simple_for_scop_p): Fix tuples functions, that
4428         broke polyhedron.
4429         (free_graphite_bb): Fix some memleaks.
4430         (free_scop): Fix some memleaks.
4431         (scopdet_bb_info): Do not forget some tmp SCoPs.
4432         (find_params_in_bb): Fix some memleaks.
4433         (clast_to_gcc_expression): Fix warning.
4434
4435 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4436
4437         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4438         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4439
4440 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4441
4442         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4443         Move code ifdef-ed HAVE_cloog...
4444         * graphite.c: Include toplev.h.
4445         ... here.
4446         * Makefile.in (OBJS-common): Always build graphite.o.
4447         (BACKEND): Remove @GRAPHITE@.
4448         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4449         (graphite.o): Depend on TOPLEV_H.
4450
4451 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4452
4453         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4454         Remove typo left from polylib to ppl conversion.
4455         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4456
4457 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4458
4459         * toplev.c (process_options): Move the graphite loop optimization
4460         flags...
4461         * tree-ssa-loop.c (graphite_transforms): ... here.
4462         When not configured with CLooG, print to dump_file that
4463         Graphite transforms were not performed.
4464         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4465         New.
4466         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4467         scan-graphite-dump-times.
4468
4469 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4470
4471         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4472         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4473
4474 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4475             Jan Sjodin  <jan.sjodin@amd.com>
4476
4477         * configure: Regenerated.
4478         * omp-low.c (expand_omp_sections): Remove now unused code.
4479         * config.in (HAVE_polylib): Removed.
4480         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4481         (PPLLIBS, PPLINC): Added.
4482         * graphite.c: Replace unsigned with int wherever possible.
4483         Don't access Cloog's data structures, but use accessor functions.
4484         Clast's stmt->type is now implemented as a vtable: change the
4485         switches of stmt->type into ifs.
4486         (polylib/polylibgmp.h): Don't include.
4487         (initialize_dependence_polyhedron,
4488         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4489         statement_precedes_p, test_dependence, build_rdg_all_levels,
4490         dump_dependence_graph): Removed until this code is cleaned up
4491         or ported to Cloog.
4492         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4493         (POLYLIBINC): Renamed PPLINC.
4494
4495 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4496             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4497             Jan Sjodin  <jan.sjodin@amd.com>
4498
4499         Finish the merge and tuplification of graphite.
4500
4501 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4502             Jan Sjodin  <jan.sjodin@amd.com>
4503
4504         Partial merge from mainline (138072:138275).
4505         * graphite.c still has to be tuplified.
4506
4507 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4508
4509         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4510         (create_num_from_index): New.
4511         (get_num_from_index): Also pass in the graphite BB.
4512         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4513         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4514         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4515         (is_interchange_valid): Return false when failing.
4516         * graphite.h (struct num_map): New.
4517         (struct graphite_bb): New field num_map.
4518         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4519
4520 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4521
4522         * graphite.c (dump_gbb_conditions): Print also conditions like
4523         "if (a)".  Remove dublicated code and use print_generic_expr ().
4524         (stmt_simple_for_scop_p): Only allow conditions we can handle
4525         {<, <=, >, >=}.
4526
4527 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4528
4529         * graphite.h (struct scop): Removed new_ivs field.
4530         (SCOP_NEWIVS): Deleted.
4531         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4532         clast_to_gcc_expression, graphite_create_new_loop):
4533         Removed use of new_ivs.
4534
4535 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4536
4537         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4538         create_loops_mapping_num, debug_loop_mapping_1): New.
4539         (debug_loop_mapping): Call debug_loop_mapping_1.
4540         (get_loop_mapping_for_num,
4541         graphite_loops_mapping_add_child,
4542         graphite_loops_mapping_add_child_num,
4543         graphite_loops_mapping_insert_child,
4544         graphite_loops_mapping_parent,
4545         split_loop_mapped_depth_for_num,
4546         loop_mapped_depth_split_loop): New.
4547         (increment_loop_mapped_depths): Removed.
4548         (swap_loop_mapped_depth_for_num): Reimplemented.
4549         (new_scop): Call create_loops_mapping.
4550         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4551         (translate_clast): Pass the old loop father in parameter, and pass
4552         it to get_old_iv_from_ssa_name.
4553         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4554         can_generate_code, can_generate_for_scop): New.
4555         (graphite_trans_bb_block): Returns false when it fails to transform.
4556         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4557
4558 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4559
4560         Reverted all the changes related to the streamization and
4561         loop fusion.
4562         These changes are now tracked in the streamization branch.
4563
4564 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4565             Jan Sjodin  <jan.sjodin@amd.com>
4566
4567         * graphite.c (gbb_compare): Correctly constify.
4568         (gbb_can_be_ignored): Indent.
4569         (graphite_trans_scop_swap_1and2): Add legality check.
4570         Remove dead FIXMEs.
4571
4572 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4573
4574         Remove fallouts from "Reverted the Condate changes".
4575         * tree.h: Remove unused decl.
4576         * testsuite/gcc.dg/tree-checker: Same.
4577         * timevar.def: Remove counter.
4578
4579 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4580
4581         * Merge from mainline (135673:138072).
4582
4583         Reverted the MIRO changes (from 2008-04-05) that are now
4584         tracked in the miro branch.
4585         * tree-bounds.c: Removed.
4586         * tree-bounds.h: Removed.
4587
4588         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4589         are now tracked in the condate branch.
4590         * tree-check.c: Removed.
4591         * tree-match.c: Removed.
4592         * condate.y: Removed.
4593
4594 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4595
4596         * common.opt: New user flag -floop-block, -floop-strip-mine
4597         and -floop-interchange.
4598         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4599         graphite loop optimization flags is turned on.
4600         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4601         flag_loop_strip_mine and flag_loop_interchange checks before
4602         optimizations.
4603         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4604         -floop-strip-mine and -floop-interchange.
4605         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4606         -fgraphite.
4607         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4608         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4609         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4610
4611 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4612             Sebastian Pop  <sebastian.pop@amd.com>
4613
4614         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4615         (create_empty_loop_on_edge): More fixes.
4616         * tree-phinodes.c (resize_phi_node): Extern.
4617         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4618         * cfghooks.c (update_dominator_information): New split from
4619         split_edge.
4620         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4621         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4622         successor of the function entry block.
4623
4624         * graphite.c: Include pointer-set.h.
4625         (debug_loop_mapping, increment_loop_mapped_depths,
4626         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4627         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4628         swap_loop_mapped_depth_for_num, get_num_from_index,
4629         swap_loop_mapped_depth, loop_iv_stack_debug,
4630         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4631         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4632         get_old_iv_from_ssa_name): New.
4633         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4634         (free_scop): Free SCOP_LOOPS_MAPPING.
4635         (scop_record_loop): Record old ivs.
4636         (create_var_name): Removed.
4637         (initialize_cloog_names): Allocate double space in case strip mine
4638         applies to all loops once.
4639         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4640         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4641         translation.
4642         (graphite_create_new_loop): Pass in ivstack.
4643         (remove_all_edges): Pass in the construction_edge.
4644         (graphite_remove_iv): Removed.
4645         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4646         remove_cond_exprs): Rewritten.
4647         (move_phi_nodes): New.
4648         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4649         (translate_clast): Pass in ivstack.  Rewrite some cases.
4650         (set_cloog_options, debug_clast_stmt): New.
4651         (find_transform): Use set_cloog_options.
4652         (outermost_loop_layer): Removed.
4653         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4654         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4655         mark_old_loops, remove_dead_loops): New.
4656         (gloog): Rewritten.
4657         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4658         (const_column_index, get_first_matching_sign_row_index,
4659         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4660         get_upper_bound): New.
4661         (graphite_trans_bb_strip_mine): Also update the iv map.
4662
4663         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4664         (struct name_tree): Add a loop field.
4665         (struct scop): Add a graphite_loops_mapping field.
4666         (SCOP_LOOPS_MAPPING): New.
4667         (debug_clast_stmt): Declare.
4668         * lambda.h (find_induction_var_from_exit_cond): Declare.
4669         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4670         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4671         (create_empty_loop_on_edge): Updated.
4672         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4673         rename_variables_in_bb): Declare.
4674         * tree-cfg.c (remove_bb): Extern.
4675
4676         * testsuite/gcc.dg/graphite/block-0.c: New.
4677
4678 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4679             Sebastian Pop  <sebastian.pop@amd.com>
4680
4681         * graphite.c (strip_mine_profitable_p): New.
4682         (graphite_trans_bb_block): Disable strip mining if not profitable.
4683
4684         * testsuite/gcc.dg/graphite/scop-18.c: New.
4685         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4686         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4687
4688 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4689             Jan Sjodin  <jan.sjodin@amd.com>
4690             Sebastian Pop  <sebastian.pop@amd.com>
4691
4692         * graphite.c (is_interchange_valid): New.
4693         (graphite_trans_bb_block): Check loop nest of basic block for legality
4694         of interchange.
4695
4696         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4697         outer_most_loop, gbb_outer_most_loop_index): New.
4698
4699         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4700         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4701         * testsuite/gcc.dg/graphite/scop-16.c: New.
4702         * testsuite/gcc.dg/graphite/scop-17.c: New.
4703
4704 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4705
4706         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
4707         (graphite_trans_scop_block): Ignore SCoPs without bbs.
4708
4709 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4710
4711         * graphite.c (new_scop): Initialize SCOP_EXIT.
4712         (scopdet_info): Add.
4713         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
4714         (build_scops_1): Cleanup, bugfixes.
4715         (build_scops): Cleanup.
4716
4717         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
4718         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
4719
4720 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4721
4722         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
4723
4724         * testsuite/gfortran.dg/graphite/graphite.exp: Use
4725         DEFAULT_GRAPHITE_FLAGS.
4726
4727         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
4728
4729 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4730
4731         * graphite.c (scan_tree_for_params): Do not assert any more if
4732         MULT_EXPR parameter is negative.
4733
4734         * testsuite/gfortran.dg/graphite/scop-1.f: New.
4735
4736         * testsuite/gfortran.dg/graphite/graphite.exp: New.
4737
4738         * testsuite/gcc.dg/graphite/scop-15.c: New.
4739
4740 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4741
4742         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
4743
4744 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4745
4746         * graphite.c (graphite_trans_bb_swap_loops): Rename from
4747         graphite_swap_loops.
4748         (graphite_trans_bb_move_loop): New.
4749         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
4750         (graphite_trans_bb_block): New.
4751         (graphite_trans_loop_block): New.
4752         (graphite_trans_scop_swap_1and2): Rename from
4753         graphite_trans_swap_1and2.
4754         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
4755         (graphite_trans_scop_block): New.
4756         (graphite_apply_transformations): Rename from
4757         graphite_transformations.
4758
4759         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
4760
4761 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4762
4763         * graphite.c (gbb_compare): New.
4764         (graphite_sort_gbbs): New.
4765         (gbb_can_be_ignored): New.
4766         (scop_remove_ignoreable_gbbs): New.
4767         (graphite_transformations): Cleanup and add
4768         scop_remove_ignoreable_gbbs.
4769         * lambda.h (lambda_vector_compare): New.
4770
4771 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4772
4773         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4774         (graphite_swap_loops): int -> unsigned
4775         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4776         (graphite_transformations): New.
4777         (graphite_transform_loops): Move to graphite_transformations.
4778         * graphite.h (gbb_nb_loops): Return unsigned.
4779
4780 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4781
4782         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4783         the domain matrix.  This makes scop-0.c work again.
4784
4785 2008-06-20  Richard Guenther  <rguenther@suse.de>
4786
4787         * graphite.h: Adjust copyright to GPLv3.
4788         * graphite.c: Likewise.
4789         (stmt_simple_memref_for_scop_p): Split out from ...
4790         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4791         and simplify.
4792         (get_bb_type): Optimize.
4793         (is_pred): Remove.
4794         (is_bb_addable): Fix memleak, replace is_pred call with
4795         single_pred.
4796         (build_scops): Use current_loops.
4797         (param_index): Fix memleak.
4798
4799 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4800
4801         * graphite.c: Fix formatting.
4802
4803 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4804
4805         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4806         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4807         (create_var_name, save_var_name): Newly defined functions.
4808         (initialize_cloog_names): Part of the code factored out to
4809         save_var_name.
4810         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4811         in clast_reduction statement.
4812         (graphite_create_new_loop): Now takes a new parameter
4813         for outer_loop.
4814         (translate_clast): Now also takes the context_loop and bb_exit
4815         parameters. Rewritten the code so that it creates a gimple code
4816         inside the given context.
4817         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4818         remove_cond_expr, disconnect_cond_expr,
4819         disconnect_virtual_phi_nodes): Newly defined functions.
4820         * graphite.h (struct scop): added old_ivs vector.
4821         SCOP_OLDIVS: New macro.
4822
4823 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4824
4825         * cfgloopmanip.c: Add missing function comments, fix formatting.
4826
4827 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4828
4829         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4830         (create_empty_loop_on_edge): Defined.
4831         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4832         instead of void.
4833         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4834         (update_dominators_in_loop): Declared as extern
4835         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4836
4837 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4838
4839         * graphite.c (print_graphite_bb): Allow changing number of loops
4840         in SCoP domain.
4841         (initialize_cloog_names): Allow changing number of loops.
4842         (build_cloog_prog): Simplify.
4843         (find_transform): Enable cloog option --strides.
4844         (graphite_swap_loops): New.
4845         (graphite_strip_mine_loop): New.
4846         (graphite_trans_swap_1and2): New.
4847         (graphite_trans_strip): New.
4848         (graphite_transform_loops): Add graphite_trans_strip.
4849         * graphite.h (scop_max_loop_depth): New.
4850
4851 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4852
4853         * graphite.c (build_scop_iteration_domain): Remove forgotten
4854         line. (Fixes compile)
4855
4856 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4857
4858         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4859         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4860         (build_bb_loops): New.
4861         (graphite_transform_loops): Add build_bb_loops.
4862         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4863         numbers.
4864         * graphite.h (graphite_bb): Add loops.
4865         (gbb_nb_loops): New.
4866         (gbb_loop_at_index): New.
4867         (gbb_loop_index): New.
4868         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4869         using nb_params_in_scop.
4870
4871 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4872
4873         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4874         (build_scop_canonical_schedules): Build minimized schedule.
4875         (schedule_to_scattering): Adapt to minimized schedule.
4876         * graphite.h (graphite_bb): Add/Update descriptions.
4877
4878 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4879             Tobias Grosser  <grosser@fim.uni-passau.de>
4880
4881         * graphite.c (print_graphite_bb): Add condition printing.
4882         (dump_value): New.
4883         (dump_gbb_conditions): New.
4884         (build_scop_conditions_1): New.
4885         (build_scop_conditions): New.
4886         * graphite.h (graphite_bb): Add conditions.
4887
4888 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4889
4890         * graphite.c (print_graphite_bb):
4891         (free_graphite_bb): New.
4892         (free_scop): Free bbs.
4893         (get_bb_type): Free doms.
4894         (build_scop_context): Free context matrix.
4895         (build_loop_iteration_domains): Remove unused code.
4896         (build_cloog_prog): Free scattering function and blocklist.
4897         (find_transform): Free options.
4898
4899 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4900
4901         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4902         Remove unnecessery cloog data structures. Make a copy of the domain
4903         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4904         unnecessary cloog data structures. Fix memory leaks. Remove insert
4905         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4906         used.
4907         (build_scop_iteration_domain): Remove unnecessary cloog
4908         data structures.  Fix memory leaks.
4909         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4910         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4911
4912 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4913
4914         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4915
4916 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4917
4918         * graphite.c (end_scop): Style fix.
4919         (schedule_to_scattering): Style and comment fix.
4920
4921 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4922         * graphite.c (print_graphite_bb): Fix definiton of
4923         schedule_to_scattering.
4924         (initialize_cloog_names): Change nb_scattdims to max loop
4925         depth in SCoP.
4926         (schedule_to_scattering): Take parameter for number of scattering
4927         dimensions.
4928         (build_cloog_prog): Only build as much scattering dimensions as
4929         necessary.
4930
4931 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4932
4933         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4934         in polyhedron/aermod.f90.
4935
4936 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4937             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4938             Harsha Jagasia  <harsha.jagasia@amd.com>
4939
4940         * graphite.c (is_bb_addable): Fix segfault.
4941
4942 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4943
4944         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4945         with multiple exits and conditional handling in edge cases.
4946         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4947
4948         * testsuite/gcc.dg/graphite/scop-14.c: New.
4949
4950 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4951             Adrien Eliche  <aeliche@isty.uvsq.fr>
4952
4953         * graphite.c (is_bb_addable): Add more comments and enhance
4954         readablity of the source code. Fix memory leak.
4955         (is_loop_exit): Fix memory leak.
4956
4957 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4958
4959         * graphite.c (first_loop_in_scop): Deleted.
4960         (setup_cloog_loop): Only walk the loop chain for inner loops.
4961         (build_scop_iteration_domain): Execute setup_cloog_loop for
4962         all loops in the first layer.
4963
4964 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4965
4966         * graphite.c (scan_tree_for_params): Change the way params are
4967         added to be indepenent of the number of loops.
4968         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4969         handling.
4970         (build_cloog_prog): Revert to short matrix format.
4971
4972 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4973             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4974
4975         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4976         warning.
4977
4978 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4979
4980         * graphite.c (nb_data_refs_in_scop): New.
4981         (graphite_transform_loops): Print more stats: number of
4982         loops, basic blocks and data references per scop.
4983
4984 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4985             Jan Sjodin  <jan.sjodin@amd.com>
4986
4987         * graphite.c (loop_affine_expr, idx_record_params,
4988         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
4989         instead of instantiate_parameters.
4990
4991 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4992
4993         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
4994         add support for parameters, add STATIC_SCHEDULE at the right places,
4995         cleanup.
4996
4997 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4998
4999         * graphite.c (build_scop_loop_nests): Only add the loops, that
5000         are contained completely in the SCoP.
5001         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5002         and the domains are fixed.
5003         (build_scop_canonical_schedules): Add support for bbs not contained
5004         in any SCoP.
5005
5006 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5007
5008         * graphite.h (scop_contains_loop): Update comments to match
5009         the actual behavior.
5010         (scop_contains_loop): New.
5011         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5012
5013 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5014
5015         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5016         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5017         as GBB_COND_HEADER.
5018
5019 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5020             Tobias Grosser  <grosser@fim.uni-passau.de>
5021
5022         * graphite.c (graphite_transform_loops): Early return when
5023         there are no loops in the function.
5024
5025 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5026             Jan Sjodin  <jan.sjodin@amd.com>
5027
5028         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5029         offset of the last loop.
5030         (setup_cloog_loop): Copy the entire outer constraint matrix.
5031
5032 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5033             Jan Sjodin  <jan.sjodin@amd.com>
5034
5035         * graphite.c (stmt_in_scop_p, function_parameter_p,
5036         invariant_in_scop_p): Removed.
5037         (scan_tree_for_params): Can be used with no constraint
5038         matrix for gathering parameters.
5039         (idx_record_params): Don't use idx_record_param, instead use
5040         scan_tree_for_params.
5041         (find_scop_parameters): Same.
5042         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5043         Fix the size of loop domains.
5044         (schedule_to_scattering): Exit when the outer loop is not in scop.
5045         (find_transform): Enable build_cloog_prog.
5046
5047 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5048             Jan Sjodin  <jan.sjodin@amd.com>
5049
5050         * graphite.c (schedule_to_scattering): Make scattering domains
5051         uniformly of the same size, as required by CLooG 0.14.0 and before.
5052
5053 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5054             Jan Sjodin  <jan.sjodin@amd.com>
5055
5056         * graphite.c (schedule_to_scattering): Rewrite, correct the
5057         translation of the scheduling function to scattering.
5058         (build_cloog_prog): Call schedule_to_scattering only once.
5059         * graphite.h (scop_loop_index): Do not fail for loops not
5060         in the scop: return -1.
5061
5062 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5063
5064         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5065         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5066         (setup_cloog_loop): Export GBB_DOMAIN.
5067         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5068         able to rebuild the original control flow.
5069         * graphite.h (graphite_bb): Add domain field and access macro.
5070         (GBB_DOMAIN): New.
5071
5072 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5073
5074         * graphite.c (debug_gbb): New.
5075         (print_scop, build_graphite_bb): Use SCOP_BBS.
5076         (build_scop_bbs): Reimplemented.
5077         (dfs_bb_in_scop_p): Removed.
5078         (build_scop_loop_nests): Reorder loops inserted in
5079         SCOP_LOOP_NEST: outer loops should come first.
5080         (build_scop_canonical_schedules): Reinitialize at zero
5081         the components of the SCOP_STATIC_SCHEDULE for the loops
5082         that have already been parsed.
5083
5084         * graphite.h (debug_gbb): Declared.
5085
5086 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5087             Jan Sjodin  <jan.sjodin@amd.com>
5088
5089         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5090         (graphite_loop_to_gcc_loop): Removed.
5091         (remove_all_edges): New.
5092         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5093         (gloog): Remove useless code.
5094
5095 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5096
5097         * graphite.c (get_bb_type): Reworked. We distinguish between
5098         loops with one or multiple exits.
5099         (is_loop_exit): New.
5100         (is_pred): New.
5101         (is_bb_addable): Rework condition handling, now support for case
5102         case statements and loops with multiple exits.
5103
5104         * testsuite/gcc.dg/graphite/scop-11.c: New.
5105         * testsuite/gcc.dg/graphite/scop-12.c: New.
5106         * testsuite/gcc.dg/graphite/scop-13.c: New.
5107
5108 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5109
5110         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5111         we have too many colors.
5112
5113 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5114
5115         * doc/invoke.texi (-ftree-loop-fusion): Document.
5116         * tree-pass.h (pass_loop_fusion): Declared.
5117         * tree-loop-fusion.c: New.
5118         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5119         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5120         * tree-data-ref.h (find_data_references_in_loop): Declared.
5121         * common.opt (ftree-loop-fusion): Declared.
5122         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5123
5124 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5125
5126         * graphite.c (build_access_matrix): Fix typo from the merge.
5127
5128 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5129
5130         * Merge from mainline (130800:135673).
5131
5132 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5133
5134         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5135         Update dominators after splitting.
5136
5137 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5138
5139         * graphite.c (is_bb_addable): Return the harmful statement.
5140         Factor up some code.
5141         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5142         (build_scops_1): Call end_scop.
5143
5144 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5145
5146         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5147         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5148         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5149         build_scops_1): Removed.
5150         (build_scops_2): Renamed build_scops_1.
5151
5152 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5153
5154         * graphite.c: Fix formatting.
5155
5156 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5157
5158         * graphite.c (get_bb_type): New.
5159         (move_scops): New.
5160         (build_scops_2): New.
5161         (is_bb_addable): New.
5162         (build_scops): Switch the scop detection.
5163         (build_scop_bbs): Add entry bb to scop.
5164         * graphite.h (struct scop): Update comment.
5165
5166 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5167
5168         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5169         more colors.
5170
5171 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5172
5173         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5174         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5175         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5176         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5177         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5178
5179 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5180
5181         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5182         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5183         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5184         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5185         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5186
5187 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5188
5189         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5190         Check affine expressions depending on the outermost loop
5191         instead of a scop.
5192         (stmt_simple_for_scop_p): Same.
5193         (harmfule_stmt_in_scop): Same.
5194
5195 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5196
5197         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5198         mark entry and exit, that are not part of the SCoP and update HTML
5199         formatting.
5200
5201 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5202
5203         * graphite.c (basic_block_simple_for_scop_p): Renamed
5204         harmful_stmt_in_bb.
5205         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5206         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5207         (all_preds_visited_p, all_succs_visited_p,
5208         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5209         scop_end_loop): New.
5210         (build_scops): Do not use dfs_enumerate_from.
5211
5212         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5213
5214 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5215
5216         * graphite.c: Add comments to functions that are missing a
5217         description.
5218         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5219
5220 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5221
5222         * graphite.c (nb_params_in_scop): Moved...
5223         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5224         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5225         (clast_to_gcc_expression): Reduce column size to less than 80.
5226         (graphite_create_iv): Return the new name of the IV.
5227         (find_transform): Set options->esp and options->cpp.
5228         (gloog): Comment out the invalidation of the old loop code.
5229         (initialize_dependence_polyhedron): Replace scop_nb_params with
5230         nb_params_in_scop.
5231
5232         * graphite.h (nb_params_in_scop): ... here.
5233         (scop_nb_params): Removed.
5234         (loop_domain_dim): Return something even when the loop was not
5235         found in the hash table: avoid ICEing on all the graphite.exp
5236         testcases.
5237
5238 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5239
5240         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5241
5242         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5243         according to nesting level.
5244         (find_scop_parameters): Call instantiate_parameters.
5245         (scan_tree_for_params): Extend it to handle general affine bounds.
5246         Inner loop bound can depend on outer loop induction variable.
5247         (setup_cloog_loop): tmp variable is allocated on stack. Call
5248         instantiate_parameters with respect to outermost_loop_in_scop.
5249         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5250         graphite.h.
5251         (create_empty_loop): Function loopify should be given edge
5252         probability, instead of edge frequency. Dominance relation from
5253         switch_bb to loop_header.
5254         (clast_to_gcc_expression): Added handling of clast_reduction node.
5255         (gloog): New functionality for removing old loop.
5256         (test_dependence): Factored out from build_rdg_all_levels.
5257         (build_rdg_all_levels): Dependence testing factored out to
5258         test_dependence function.
5259
5260         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5261         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5262         from graphite.c
5263
5264 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5265
5266         * graphite.c (free_scop, param_index, initialize_cloog_names,
5267         nb_params_in_scop): Use name_tree map instead of just a tree
5268         for keeping track of the variable name associated to that tree.
5269         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5270         clast_to_gcc_expression, graphite_create_iv,
5271         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5272         graphite_stmt_to_gcc_stmt): New.
5273         (gloog): Call these.
5274         * graphite.h (struct name_tree): New.
5275         (struct scop): Use name_tree instead of tree for params.
5276         Store a vector of name_tree for new_ivs.
5277         (SCOP_NEWIVS): New.
5278         (scop_nb_params): Use name_tree instead of tree.
5279
5280 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5281             Sebastian Pop  <sebastian.pop@amd.com>
5282
5283         * tree-bounds.c: New.
5284         * tree-bounds.h: New.
5285         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5286         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5287         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5288         flag_mudflap.
5289         * gcc.c: Same.
5290         * toplev.c: Same.
5291         * c-cppbuiltin.c: Same.
5292         * c-pragma.c: Same.
5293         * common.opt: Same.
5294         * varasm.c: Same.
5295         * tree-outof-ssa.c: Same.
5296         * c-common.c: Same.
5297         * Makefile.in: Same.
5298
5299 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5300             Sebastian Pop  <sebastian.pop@amd.com>
5301
5302         * tree-loop-distribution.c (remaining_stmts,
5303         upstream_mem_writes): Removed static variables.
5304         (copy_loop_before, create_bb_after_loop,
5305         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5306         rdg_build_components, rdg_build_partitions,
5307         dump_rdg_partitions): Extern.
5308         (generate_loops_for_partition, generate_code_for_partition): Do not
5309         return a bool.
5310         (already_processed_vertex_p, predecessor_has_mem_write,
5311         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5312         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5313         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5314         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5315         Pass remaining_stmts and upstream_mem_writes as parameters.
5316         (rdg_component): Moved...
5317         (build_rdg_partition_for_component): Do not aggregate components when
5318         flag_streamize_loops is set.
5319         (gen_sequential_loops): New.
5320         (ldist_gen): Call gen_sequential_loops.
5321
5322         * tree-pass.h (pass_loop_streamization): Declared.
5323
5324         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5325         basic blocks when loops structures exist.
5326
5327         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5328
5329         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5330
5331         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5332         eliminate_local_variables_stmt, eliminate_local_variables,
5333         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5334         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5335         of code delimited by two edges in the CFG.
5336         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5337         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5338         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5339         the case of parallelisation of reductions.
5340         (create_loop_fn): Extern.
5341         (create_omp_parallel_region): New.
5342
5343         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5344         dump_data_reference for printing dra and drb.
5345         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5346         RDGE_RELATION.
5347         (build_rdg): Don't call free_dependence_relations for the moment, as
5348         we attach dependence relations on each edge of the RDG.
5349         To be fixed later.
5350
5351         * tree-data-ref.h (rdg_component): ...here.
5352         (struct rdg_edge): New field ddr_p relation.
5353         (RDGE_RELATION): New.
5354         (create_bb_after_loop, copy_loop_before,
5355         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5356         rdg_build_partitions, dump_rdg_partitions,
5357         free_rdg_components): Declared.
5358
5359         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5360         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5361
5362         * tree-loop-streamization.c: New.
5363
5364         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5365         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5366
5367         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5368
5369         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5370
5371         * passes.c: Schedule pass_loop_streamization.
5372
5373 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5374
5375         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5376         update comment.
5377
5378 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5379
5380         * graphite.c (dot_all_scops): Update formatting.
5381         Bbs can now be part of more than one SCoP.
5382
5383 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5384
5385         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5386         malloc problems.
5387         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5388         * graphite.h (loop_to_cloog_loop): New.
5389
5390 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5391
5392         * graphite.c (loop_domain_dim, ref_nb_loops,
5393         loop_iteration_vector_dim): New.
5394         (build_access_matrix_with_af, build_access_matrix,
5395         initialize_dependence_polyhedron): Fixed for new matrix layout.
5396         No longer assume that all iteration domains are of the same
5397         dimensionality.
5398
5399 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5400
5401         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5402         defined in a loop at depth 0 is invariant.
5403         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5404         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5405         be called at loop depth 0.
5406
5407         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5408         a parameter.
5409         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5410         (down_open_scop): Removed.
5411         (loop_in_scop_p): Redefined.
5412         (scop_affine_expr): New argument: scop.
5413         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5414         a harmful statement ending a scop.
5415         (basic_block_simple_for_scop_p): New argument: scop.
5416         (get_loop_start): Removed.
5417         (new_scop): Initialize SCOP_LOOPS.
5418         (free_scop): Free SCOP_LOOPS.
5419         (succs_at_same_depth, preds_at_same_depth): New.
5420         (end_scop): Test the validity of a scop.
5421         (add_dominators_to_open_scops): New.
5422         (test_for_scop_bound): Call add_dominators_to_open_scops.
5423         Add cases for opening and closing multiple scops.
5424         (build_scops, build_scop_bbs): Iterate over basic blocks in
5425         depth first order.
5426         (build_graphite_bb): Pass scop directly.
5427         (dfs_bb_in_scop_p): New.
5428         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5429         several times.
5430         (nb_loops_around_gb): Use loop_in_scop_p.
5431         (schedule_to_scattering): Disabled for the moment the code computing
5432         the "textual order for outer loop".
5433
5434         * graphite.h (struct scop): New field loops.
5435         (SCOP_LOOPS): New.
5436         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5437
5438         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5439
5440 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5441             Sebastian Pop  <sebastian.pop@amd.com>
5442
5443         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5444         * common.opt (fstreamize-loops): New.
5445         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5446         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5447         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5448         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5449
5450 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5451
5452         * tree-data-ref.c (build_empty_rdg): New.
5453         (build_rdg): Use it.
5454         * tree-data-ref.h (build_empty_rdg): Declared.
5455         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5456         (find_vertex_for_stmt): Removed.
5457         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5458
5459 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5460
5461         * tree-loop-distribution.c (generate_builtin): After cancelling the
5462         loop tree, also delete basic blocks.
5463         (rdg_flag_uses): Stop recursion when a vertex has already been
5464         processed.
5465
5466 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5467
5468         * graphite.c (build_scop_alpha): Removed.
5469         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5470         and dump_dependence_graph to avoid compiler warnings.
5471
5472 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5473
5474         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5475         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5476         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5477         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5478         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5479         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5480         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5481         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5482         dump_dependence_graph): New.
5483         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5484         (GBB_ALPHA): New.
5485         (struct scop): New field loop2cloog_loop.
5486         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5487         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5488
5489 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5490
5491         * graphite.c (build_graphite_bb): Fix initialization
5492         of the graphite basic block.
5493
5494 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5495
5496         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5497         loop domain matrix.  Pass in the number of loops contained in the
5498         constraint matrix.
5499         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5500         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5501         loops that are not surrounding the current loop are not represented
5502         in the domain constraint matrix.
5503         (build_scop_iteration_domain): Initial domain constraint matrix
5504         contains only the eq/ineq, cst, and scop parameters columns.
5505
5506 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5507
5508         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5509         (print_graphite_bb): Print scattering.
5510
5511 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5512
5513         * graphite.c (initialize_cloog_names): Initialize names of
5514         scattering variables.
5515
5516 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5517
5518         * graphite.c (dot_all_scops_1): Disable debug output while
5519         printing graph.
5520
5521 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5522
5523         * graphite.c (find_transform): Change cloog output language to C.
5524
5525 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5526
5527         * tree-loop-distribution.c (generate_memset_zero,
5528         generate_builtin, generate_code_for_partition,
5529         rdg_flag_all_uses): New.
5530         (rdg_flag_uses): Gather in the same partition the statements defining
5531         the VUSES of the current statement.
5532         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5533         Gather in the same partition not only the stores to the same memory
5534         access, but also the reads.
5535         (ldist_generate_loops): Renamed ldist_gen.
5536
5537 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5538             Tobias Grosser  <grosser@fmi.uni-passau.de>
5539
5540         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5541         next pointer, don't use the inner pointer.
5542
5543 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5544
5545         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5546         (find_transform): Call dot_all_1.
5547         * graphite.h (dot_all_scops): Declared.
5548
5549 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5550
5551         * tree-loop-distribution.c: Fix apsi.f ICE.
5552         (create_bb_after_loop): New.
5553         (generate_loops_for_partition): Use it.
5554         * testsuite/gfortran.dg/ldist-1.f90: New.
5555
5556         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5557         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5558
5559 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5560
5561         * graphite.c (find_transform): Dump cloog program sent to cloog.
5562
5563 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5564
5565         * graphite.c (initialize_cloog_names): Initialize cloog
5566         iterator names.
5567
5568 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5569
5570         * graphite.c (build_scop_context): Fix typo, for the matrix
5571         format: insert '0 >= 0' instead of '-1 >= 0'.
5572
5573 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5574
5575         * Fix merge problems.
5576
5577 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579         * graphite.c (setup_cloog_loop): Fix typo.
5580
5581 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5582
5583         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5584         * tree-loop-distribution.c: Reimplemented.
5585         * tree-pass.h (pass_loop_distribution): New.
5586         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5587         print_loops.
5588         * graphds.h (struct graph): New field indexes.
5589         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5590
5591         * tree-vect-analyze.c: Remove declaration of static functions when not
5592         needed.
5593         * tree-vectorizer.c: Same.
5594         (rename_variables_in_loop): Now extern.
5595         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5596         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5597         calling redirect_edge_and_branch_force.
5598
5599         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5600
5601         * tree-data-ref.c: Don't include tree-chrec.h.
5602         (debug_data_dependence_relations): New.
5603         (dump_data_dependence_relation): Call dump_data_reference on data refs
5604         in the relation.
5605         (same_access_functions): Moved...
5606         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5607         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5608         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5609         struct rdg_vertex_info, ): New.
5610         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5611         at DDR_REVERSED_P.
5612         (create_rdg_vertices): Initialize the htab of graph->indexes.
5613         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5614         (stmts_from_loop): Don't save LABEL_EXPR.
5615         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5616         hash_stmt_vertex_del): New.
5617         (build_rdg): Initialize rdg->indexes.
5618         (free_rdg, stores_from_loop, ref_base_address,
5619         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5620         have_similar_memory_accesses_1, ref_base_address_1,
5621         remove_similar_memory_refs): New.
5622
5623         * tree-data-ref.h: Include tree-chrec.h.
5624         (debug_data_dependence_relations): Declared.
5625         (same_access_functions): ...here.  Now static inline.
5626         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5627         ddr_dependence_level): New.
5628         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5629         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5630         RDG_MEM_READS_STMT): New.
5631         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5632         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5633         rdg_vertex_for_stmt): Declared.
5634         (struct rdg_edge): New field level.
5635         (RDGE_LEVEL, free_rdg): New.
5636         (stores_from_loop, remove_similar_memory_refs,
5637         rdg_defs_used_in_other_loops_p,
5638         have_similar_memory_accesses): Declared.
5639         (rdg_has_similar_memory_accesses): New.
5640
5641         * lambda.h (dependence_level): New.
5642         * common.opt (ftree-loop-distribution): New.
5643         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5644         (print_loop_ir): Renamed print_loops.
5645         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5646         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5647         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5648         (tree-loop-distribution.o): Added.
5649         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5650         (mark_virtual_ops_in_bb): New.
5651         (print_loops_bb, debug_loop_num, debug_loop): New.
5652         * passes.c: Scheduled pass_loop_distribution.
5653
5654 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5655
5656         * graphite.c (scan_tree_for_params): Correct the number of columns
5657         for polylib format.
5658         (nb_flat_iterator): New.
5659         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5660         (build_scop_iteration_domain): Correct the number of columns for
5661         polylib format.
5662
5663 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5664
5665         * Merge from mainline (129697:130800).
5666
5667 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5668
5669         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5670         dominated by SCoP's exit.
5671         (graphite_transform_loops): Compute post dominators.
5672
5673 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5674
5675         * Merge from mainline (127169:129697).
5676
5677 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5678
5679         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5680         parameter for the basic block that contains the expression.  Use
5681         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5682         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5683         the expression.
5684         * graphite.h (gbb_loop): New.
5685         (GBB_LOOP): Removed.
5686
5687 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5688
5689         * Makefile.in: Fix merge problem.
5690
5691 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5692
5693         * Merge from mainline (125309:127169).
5694         * tree-loop-distribution.c: Disabled.
5695
5696 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5697
5698         * Merge from mainline (r123693:125309).
5699
5700 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5701
5702         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
5703         correct_modify_p
5704         (correct_modify_p, check_statements, number_of_lvalue_uses,
5705         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
5706         instead of MODIFY_EXPR.
5707         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
5708         and push new edges.
5709
5710 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
5711
5712         * tree-loop-distribution.c (struct rdg): Replace arrays by
5713         VECs for edges and vertices.
5714         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
5715         (RDGV_NB_PARTITIONS): New.
5716         (PRDG_NBV, PRDG_NBE): Removed.
5717         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
5718         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
5719         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
5720
5721 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
5722             Sebastian Pop  <sebpop@gmail.com>
5723
5724         * doc/invoke.texi (-ftree-loop-distribution): Document.
5725         * tree-loop-distribution.c: New file.
5726         * tree-pass.h (pass_loop_distribution): Declared.
5727         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5728         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
5729         and set reversed_p.
5730         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
5731         (DDR_REVERSED_P): New.
5732         * common.opt (-ftree-loop-distribution): New.
5733         * tree-flow.h (distribute_loops): Declared.
5734         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
5735         * passes.c (init_optimization_passes): Schedule loop distribution.
5736
5737 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
5738
5739         * graphite.c (print_graphite_bb): Don't call dump_data_references.
5740         (print_scop): Don't print when scop is NULL.
5741         (build_scop_context, find_transform): Don't output to stderr.
5742
5743 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
5744
5745         * tree-data-ref.c: Don't include graphite.h.
5746         Comment out the code for printing data reference's scop.
5747         (build_access_matrix_with_af): Moved...
5748         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
5749         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
5750         (print_graphite_bb): Print basic block's schedule.
5751         (print_scop): Don't print the schedule, call cloog's pretty printer.
5752         (bb_in_scop_p): A basic block is in a scop only if it is both
5753         dominated and postdominated by the scop's entry and exit basic blocks.
5754         (function_parameter_p): New.
5755         (invariant_in_scop_p): Use function_parameter_p.
5756         (new_scop, save_scop): New.
5757         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
5758         save_scop.
5759         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
5760         (loop_in_scop_p): New.
5761         (scop_record_loop): Use loop_in_scop_p.
5762         (build_scop_domain): Renamed build_scop_iteration_domain.
5763         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
5764         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5765         setup_cloog_loop, dot_scop_1, dot_scop): New.
5766         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5767         (struct scop): Add a pointer to cloog's representation of a program.
5768
5769 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5770
5771         * doc/invoke.texi (-ftree-check-verbose): Renamed
5772         -ftree-checks-verbose.
5773         * common.opt (flag_tree_check_verbose): Renamed
5774         flag_tree_checks_verbose.
5775         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5776
5777 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5778
5779         * configure: Regenerated.
5780         * config.in: Regenerated.
5781         * tree-ssa-loop.c (graphite_transforms): Execute
5782         graphite_transform_loops only when HAVE_cloog.
5783         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5784         * graphite.c: Include polylibgmp.h and cloog.h.
5785         (graphite_transform_loops): Removed loops parameter.
5786         * tree-flow.h (graphite_transform_loops): Update declaration.
5787         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5788         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5789         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5790         (OBJS-common): Remove dependence on graphite.o.
5791         (BACKEND): Depend on @GRAPHITE@.
5792
5793 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5794
5795         * doc/invoke.texi (-ftree-check-verbose): Documented.
5796         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5797         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5798         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5799         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5800         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5801         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5802         * common.opt (ftree-checks-verbose): New.
5803         * tree-check.c (tree_check_warning): Move extra stderr output
5804         under control of flag_tree_check_verbose.
5805
5806 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5807
5808         * tree-match.c: Fix comments formatting.
5809         * tree-match.h: Fix comments formatting.
5810         * tree-check.c: Fix comments formatting.
5811         (tree_check_init): Restructure.
5812
5813 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5814
5815         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5816
5817 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5818
5819         * Merge from mainline (r120733:123693).
5820
5821 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5822
5823         * condate.y: New file.
5824         * tree-match.h (struct patt_info_s): New field sign.
5825         (struct condate_s): New field msg.
5826         (normalize_condate, name_condate, add_condate): New.
5827         (conds[], condate_parse): Made extern.
5828         * tree-check.c (tree_check_warning): First arg changed to cond;
5829         warning reformatted.
5830         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5831         (tree_scan): New.
5832         (tree_check): Process trivial condates.
5833         (read_delimited_string): Removed.
5834         (print_cond): Print name and msg.
5835         (conds[]): Made extern.
5836         (parse_tree_check_file_once): Rewritten to use the parser in
5837         condate.y.
5838         Processing of option --tree_check_string moved to tree_scan().
5839         * Makefile.in: Added condate.y
5840
5841 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5842
5843         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5844         Use VECs instead of varrays.
5845         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5846         * Makefile.in (pretty-print.o): Depend on vec.h.
5847         * pretty-print.c: Include tree.h and vec.h.
5848         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5849         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5850         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5851         pp_free_list): Use VECs instead of varrays.
5852         * pretty-print.h: Do not include varray.h.
5853         (struct tree_chunk_s): Declaration moved before its use.
5854         (output_buffer): Rename varray field to chunks.
5855         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5856         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5857         save_global_holes): Use VECs instead of varrays.
5858         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5859         * tree-check.c (scan_cfg_stmts, push_node,
5860         print_matching_stmt): Removed.
5861         (tree_check_instance, push_global_holes_if_new, tree_check,
5862         execute_tree_check): Use VECs instead of varrays.
5863         (gate_tree_check): Don't execute the CFG check when basic_block_info
5864         is not available.
5865
5866 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5867
5868         * Merge from mainline (r115016:120733).
5869
5870 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5871
5872         * Merge from mainline (r117632:117661).
5873
5874 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5875
5876         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5877         * tree-pass.h (TDF_DEBUG, debug_p): New.
5878         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5879         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5880         get_loop_exit_condition, analyze_evolution_in_loop,
5881         analyze_initial_condition, analyze_scalar_evolution,
5882         instantiate_parameters, number_of_latch_executions): Use debug_p.
5883         * tree-chrec.c (chrec_apply): Use debug_p.
5884         * tree-data-ref.c: Include graphite.h.
5885         (dump_data_reference): Print also the access matrix.
5886         (analyze_array, analyze_indirect_ref, init_data_ref,
5887         analyze_offset_expr, address_analysis, object_analysis,
5888         create_data_ref, finalize_ddr_dependent,
5889         non_affine_dependence_relation, analyze_ziv_subscript,
5890         analyze_siv_subscript_cst_affine,
5891         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5892         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5893         analyze_miv_subscript, analyze_overlapping_iterations,
5894         build_classic_dist_vector, subscript_dependence_tester,
5895         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5896         (build_access_matrix_with_af): No longer static.
5897         * tree-data-ref.h (scop_p): ... declaration here.
5898         (data_reference.scop): New field.
5899         (DR_SCOP, DR_ACCESS_MATRIX): New.
5900         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5901         * graphite.c (print_graphite_bb): Call dump_data_references.
5902         (print_scop): Use scop_nb_loops and scop_dim_domain.
5903         (test_for_scop_bound): Use debug_p.
5904         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5905         scop_nb_params.
5906         (scop_loop_index): Moved...
5907         (scop_record_loop): New.
5908         (build_scop_loop_nests): Use scop_record_loop.
5909         (build_scop_domain): Use scop_dim_domain.
5910         (build_access_matrix): Implemented.
5911         (build_scop_canonical_schedules): Use scop_nb_loops.
5912         (build_graphite_bb): Initialize GBB_SCOP.
5913         * graphite.h (scop_p): Moved...
5914         (graphite_bb.scop): New field.
5915         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5916         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5917         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5918         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5919         scop_loop_index): New.
5920         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5921
5922 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5923
5924         * Merge from mainline (r117661:120450).
5925
5926 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5927
5928         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5929         at the first declaration outside the varying loop, instantiate as
5930         far as possible.
5931         * tree-chrec.c (for_each_scev_op): New.
5932         * tree-chrec.h (for_each_scev_op): Declared.
5933         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5934         * tree-data-ref.c (get_references_in_stmt,
5935         find_data_references_in_stmt): New, from trunk.
5936         (find_data_references_in_loop): Use get_references_in_stmt
5937         and find_data_references_in_loop, modified as in trunk.
5938         (build_access_matrix_with_af): New.
5939         * tree-data-ref.h (data_reference): Add a field access_matrix.
5940         (data_ref_loc): New, as in trunk.
5941         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5942         invariant_in_scop_p, param_index, scan_tree_for_params,
5943         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5944         idx_record_param, idx_record_params, build_access_matrix,
5945         build_scop_data_accesses, build_scop_canonical_schedules,
5946         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5947         build_scop_params): New.
5948         * graphite.h (graphite_bb): New.
5949         (scop): Add fields static_schedule, params, loop_nest,
5950         iteration_domain.
5951         * lambda.h: Declare vecs of lambda_matrix.
5952         * tree-flow.h (print_loop_ir_bb): Declared.
5953         * tree-cfg.c (print_loop_ir_bb): New.
5954         (print_loop): Use print_loop_ir_bb.
5955
5956 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5957
5958         * Merge from mainline (r115016:117632).
5959
5960 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5961
5962         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5963         break due to a warning.
5964
5965 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5966
5967         * graphite.c (print_scops, debug_scops): New.
5968         (graphite_transform): Renamed graphite_find_transform.
5969         * graphite.h (debug_scops): Declared.
5970
5971 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5972
5973         * tree-match.c: Reformat following the GNU style.
5974         * tree-match.h: Reformat following the GNU style.
5975         * tree-pattern.h: Removed empty file.
5976         * Makefile.in: Remove references to tree-pattern.h.
5977         * tree-check.c: Reformat following the GNU style.
5978         (execute_tree_check): Move gate condition code to...
5979         (gate_tree_check): ...here.  New function.
5980         (pass_check): Use the gate function.
5981
5982 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5983
5984         * tree-pattern.h: New. Tree pattern matching and checking using
5985         concrete syntax.
5986         * tree-check.c: New. Tree/CFG checking pass.
5987         * tree-match.c: New. Library for tree pattern matching.
5988         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
5989         * toplev.c, flags.h: Add globals for tree-check pass.
5990         * Makefile.in: Integrate the files in tree-check pass.
5991         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
5992         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
5993         Introduce a "lazy" pretty-print mode.
5994         * tree.c, tree.h: Add tree_name.
5995
5996 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
5997
5998         * doc/invoke.texi (-fgraphite): Correct typo.
5999         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6000         use of print_loop_ir.
6001         * testsuite/gcc.dg/graphite/scop-1.c: New.
6002         * testsuite/gcc.dg/graphite/scop-2.c: New.
6003         * testsuite/gcc.dg/graphite/graphite.exp: New.
6004         * graphite.c: Include domwalk.h.
6005         (print_scop): Print only the entry and exit blocks.
6006         (debug_scop): No longer static.
6007         (affine_expr): Fix formating.  Return also true when the expression is
6008         constant.
6009         (stmt_simple_for_scop_p): Fix formating.
6010         (build_scops): Use domwalk.
6011         (get_loop_start, end_scop, test_for_scop_bound): New.
6012         (graphite_transform_loops): Avoid printing on stderr.
6013         * graphite.h (debug_scop): Declared.
6014         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6015         * Makefile.in (graphite.o): Depend on domwalk.h.
6016         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6017         declarations for static functions.
6018         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6019         controlling output verbosity.
6020
6021 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6022             Plesco Alexandru  <shurikx@gmail.com>
6023
6024         * doc/invoke.texi (-fgraphite): Document.
6025         * tree-pass.h (pass_graphite_transforms): Declared.
6026         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6027         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6028         (pass_graphite_transforms): Defined.
6029         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6030         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6031         * graphite.c, graphite.h: New.
6032         * common.opt (fgraphite): Declared.
6033         * tree-flow.h (graphite_transform_loops): Declared.
6034         * Makefile.in (OBJS-common): Add graphite.o.
6035         (graphite.o): New rule.
6036         * passes.c (pass_graphite_transforms): Scheduled.
6037